With Baffle At Inlet To Less Dense Fluid Discharge Port Patents (Class 165/114)
  • Patent number: 5465784
    Abstract: A steam condenser wherein the steam is precipitated on tubes (13), through which cooling water flows and which are gathered into separate bundles. Each bundle is divided into compartments by support plates, the support plates being arranged perpendicularly to the tubes. The tubes, which are arranged in rows and form a bundle, envelop a cavity (19), in which a cooler (3) is disposed for the non-condensible gases. The non-condensible gases flow from the cooler (3) via orifices (6) into a suction channel (4), which is common to all compartments and extends over the entire length of the tubes (13). There is only one cooler (3), to which the suction channel (4) is directly attached, and the passage areas of the orifices (6) in the compartments are dimensioned in such a manner that the local, non-condensible mass flow is withdrawn with the locally available pressure difference.
    Type: Grant
    Filed: April 5, 1994
    Date of Patent: November 14, 1995
    Assignee: ABB Management AG
    Inventors: Francisco Blangetti, Andreas Kost, Gunter Volks
  • Patent number: 5172760
    Abstract: A heat-exchange apparatus for separating a resin phase from a solvent solution containing a solvent, demetallized oil and resin which comprises: (a) at least one generally vertically positioned heat-exchange surface; (b) a means for directing the flow of the solvent solution in a downward direction over a portion of the heat-exchange surface thereby heating the solvent solution to precipitate a resin phase; (c) an outlet means to recover a solvent solution having a reduced concentration of resin which outlet means is located to essentially reverse the flow of the solvent solution having a reduced concentration of resin to a generally upward direction before exiting the heat-exchange apparatus; and (d) an outlet means to recover the resin phase from a lower portion of the heat-exchange apparatus.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: December 22, 1992
    Assignee: UOP
    Inventor: Brian W. Hedrick
  • Patent number: 5154227
    Abstract: A jet condenser of the type comprising a water chamber in a mixing chamber (24) and an after-cooler (52), wherein the water chamber is subdivided in a narrower upper water chamber portion (38a) and a broader lower water chamber portion (39b). The after-cooler (52) is fixed at the junction (66) of both water chamber portions (38a, 38b). Cooling water is injected into the mixing chamber (24) by nozzles (40) of the upper water chamber portion (38a) where it flows in vertical direction. By the reduced width of the upper water chamber portion (38a) flow resistance of steam flow in the mixing chamber (24) and, thereby, undesired subcooling is substantially diminished. (FIG. 3).
    Type: Grant
    Filed: July 11, 1991
    Date of Patent: October 13, 1992
    Assignee: Energiagazdalkodasi Intezet
    Inventors: Gabor Csaba, Janos Bodas, Gyorgy Bergmann, Gyorgy Frank, Gyorgy Palfalvi
  • Patent number: 5139083
    Abstract: There is disclosed a new and improved single-row, two-pass steam condensing bundle used for condensing steam in air-cooled vacuum steam condensers in power plant applications and the like. The new bundle is divided into a plurality of identically built mini-bundle sets. Each mini-bundle set has one centrally located 2nd-pass tube with symmetrically placed 1st-pass tubes positioned on either side of it. The steam leaving each 1st-pass tube is controlled by a flow equalizing device installed at the end of the tubes. The flow of the noncondensible gas mixture leaving each 2nd-pass tube is controlled by an individual orifice in the gas piping system. The larger the number of mini-bundle sets incorporated into the bundle, the greater its counterflow freeze protection feature.
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: August 18, 1992
    Inventor: Michael W. Larinoff
  • Patent number: 5033541
    Abstract: A double pass tandem cooling aerosol condenser apparatus for receiving aerosol from a liquid solution for a specimen sample which has been prepared for injection into an inductively coupled plasma associated with an emission spectra or mass spectrometer comprises inner and outer compartments for circulating a coolant therethrough. The aerosol, comprising solvent and analyte particles, is passed through compartments of the condenser which are interposed between the inner and outer coolant compartment. The temperature of the aerosol compartment is adjusted and controlled such that the solvent particles, which would otherwise quench the inductively coupled plasma, are condensed and stripped from the aerosol leaving a relatively stable, dry aerosol containing the desolvated analyte particles for spectrometric analysis.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: July 23, 1991
    Assignee: Cetac Technologies, Inc.
    Inventor: Arthur P. D'Silva
  • Patent number: 5018572
    Abstract: In a steam condenser erected on-floor, in which the steam is precipitated on pipes through which cooling water flows and which are combined into separate clusters (2), the pipes of a cluster, which are arranged in rows, enclosing a cavity (13), a cooler (14) for the non-condensable gases is arranged in the cavity. The component clusters (2) are aligned horizontally in their longitudinal extent and are arranged vertically above one another. The cooler (14) for the non-condensable gases has its suction effect directed towards a zone below the longitudinal center line of the individual cluster.
    Type: Grant
    Filed: February 20, 1990
    Date of Patent: May 28, 1991
    Assignee: Asea Brown Boveri Ltd.
    Inventors: Francisco Blangetti, Vaclan Svoboda
  • Patent number: 4967833
    Abstract: In a steam condenser in which the steam is condensed on tubes which are grouped together in separate nests (2) and through which cooling water flows, the tubes, arranged in rows, of a nest enclosing a hollow space (13), a cooler (14) for the non-condensable gases in arranged in the hollow space. Two nests (2) are provided which are at a distance from one another and to which steam is admitted over their entire periphery, the nest form, irrespective of the external form of the condenser, being selected in such a way that first of all a convergent flow channel (15)--accelerating the steam--and then adjoining it a divergent retaining part (16)--deflecting the steam--are formed between the nests (2) on the one side and also between one nest each and the condenser wall. The cooler (14) for the non-condensable gases is located inside a nest in the plane in which, outside the nest, the convergent steam channel merges into the divergent part.
    Type: Grant
    Filed: January 17, 1989
    Date of Patent: November 6, 1990
    Assignee: Asea Brown Boveri Ltd.
    Inventors: Francisco Blangetti, Christian Stucki, Marc-Aurel Voth
  • Patent number: 4926931
    Abstract: An improved steam power system comprising a turbine for converting steam energy into mechanical energy upon expansion of steam therein, a boiler for generating steam to be fed to the turbine, and a conduit arrangement coupling the boiler to the turbine input and then coupling the turbine exhaust to the boiler through air cooled steam condensing mechanisms, the condensing mechanisms including a plurality of U-shaped tubes through which the expanded steam flows and is condensed; front header means at the input ends of the tubes located in the cooler ambient air exposed regions of the tubes for receiving exhaust steam from the turbine; rear header means at the output ends of the tubes located in the warmer unexposed regions of the tubes for receiving condensate and non-condensible gasses; and means in the rear headers to remove non-condensible gasses from the rear headers, the tubes being designed and constructed to protect the tubes from freezing for lack of steam by employing a tube arrangement that flows stea
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: May 22, 1990
    Inventor: Michael W. Larinoff
  • Patent number: 4905474
    Abstract: An improved air-cooled vacuum steam condenser in a steam turbine cycle comprising a turbine for generating mechanical power, a boiler for generating steam, a conduit arrangement coupling the boiler to the turbine and then another conduit arrangement coupling the turbine exhaust back to the boiler through steam condensing mechanism. The steam condensing mechanisms include a plurality of finned tubes through which the expanded exhaust steam may flow counter to its condensate and be condensed; a plurality of front headers at the lower ends of the condensing tubes for conveying the exhaust steam from the turbine and receiving the condensate from the finned tubes; a plurality of rear headers at the upper ends of the condensing tubes for receiving the non-condensible gasses; and means in the rear headers to remove non-condensible gasses from the rear headers.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: March 6, 1990
    Inventor: Michael W. Larinoff
  • Patent number: 4878535
    Abstract: Heating elements formed by joining a pair of plates around most of their peripheries are provided with an internal partition which separates upper and lower internal spaces within the element so that separate streams of condensate are discharged from the element. A plurality of such plate elements can be used in a falling film condenser.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: November 7, 1989
    Assignee: Rosenblad Corporation
    Inventor: Axel E. Rosenblad
  • Patent number: 4858564
    Abstract: A feedwater heater in which a bundle of tubes is disposed in a vessel in the flow path of steam through the vessel. Feedwater is introduced into the tubes for passing in a heat exchange relation with the steam to condense at least a portion of the steam and to add heat to the feedwater. An impingement plate is disposed immediately below the inlet in the flow path for deflecting the steam in a direction transverse to the direction of flow of the steam, and at least one vane is disposed in the vessel in the path of the deflected steam for distributing steam more uniformly throughout the tube bundle.
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: August 22, 1989
    Assignee: Foster Wheeler Energy Corporation
    Inventor: Charles V. Maffei
  • Patent number: 4765398
    Abstract: Two immiscible liquids are vaporized in heat exchanger tubes in a manner such that each tube receives both liquids and neither liquid is completely vaporized in the tubes.
    Type: Grant
    Filed: May 6, 1987
    Date of Patent: August 23, 1988
    Assignee: Lummus Crest, Inc.
    Inventor: Utah Tsao
  • Patent number: 4726418
    Abstract: A vacuum condensor with a condensate trap consisting of a horizontal cylindrical housing with a neck has two bottoms which are closed by covers, and inside the housing there are mounted heat-exchange bodies. Externally of the housing there are connected a deaeration device and a condensate pump. The heat-exchange bodies can be either pipes or plates.
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: February 23, 1988
    Assignee: Kombinat "Korabostroene"
    Inventor: Mihail V. Mihailov
  • Patent number: 4598767
    Abstract: A multiple pressure condenser has heating devices for the overcooled parts of the condensate, which devices are accommodated alone or preferably in pairs in one or more of the condenser parts. The heating devices have perforated droplet plates located one above the other, from which droplet plates the overcooled condensate drips downwards in steps and is heated to at least the saturation temperature of the condenser space by high pressure exhaust steam flowing upwards. The overcooled condensate arrives at the highest droplet plate via drain and rising ducts, which are connected to the space over the intermediate floor or floors which separate the exhaust steam spaces from the hot well.
    Type: Grant
    Filed: May 22, 1984
    Date of Patent: July 8, 1986
    Inventor: Abdel Saleh
  • Patent number: 4577682
    Abstract: Heat exchange apparatus comprises a generally cylindrical tank having an inlet port for entry of gas and an outlet port for exit of the gas after it is cooled, and an annular bundle of tubes disposed within the tank. The tank includes a cylindrical side wall or shell which encloses the tube bundle, and upper and lower annular manifolds for controlling flow through the tube interiors. The tank inlet port is located centrally of the upper annular manifold, and the tank outlet port is located on the shell. The annular tube bundle has a generally cylindrical interior having a longitudinal axis parallel to that of the shell. The interior of the annular tube bundle is aligned with the inlet port so that the interior of the tube bundle functions as an inlet plenum for the gas entering the recuperator.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: March 25, 1986
    Assignee: GA Technologies Inc.
    Inventors: Jack S. Yampolsky, David P. E. Carosella, Jr.
  • Patent number: 4550775
    Abstract: A heat exchanger of the shell and tube type particularly suitable as an intercooler between compression stages of a compressor is disclosed. The heat exchanger includes a generally cylindrical shell having first and second coil banks disposed therein. The banks are spaced from each other and from the wall of the shell. The incoming fluid flows between the heat exchange coil banks and outwardly therethrough, passing in heat exchange relationship with a fluid flowing through the coils. The fluid velocity is reduced, substantially minimizing carryover of liquid in the fluid, and directional changes in the fluid flow causes disentrainment of liquid. A sump is provided in the bottom of the heat exchanger for removing the condensed liquids, and separate demistors or separators are not required. Access to the coils for cleaning and/or servicing may be had through a manway disposed in the shell, or through an openable end of the shell.
    Type: Grant
    Filed: October 21, 1983
    Date of Patent: November 5, 1985
    Assignee: American Standard Inc.
    Inventors: John C. Edwards, Russell A. Ford
  • Patent number: 4541366
    Abstract: In a feed water preheater of horizontal type with an integrated desuperheater, the last deflection chamber of the desuperheater is provided with lateral steam outlet ports (13). As a result, the desuperheated steam does not reach the condensation zone directly as hitherto by passing into the free cross-section of the tube bundle but, instead, it passes into the free space surrounding the condensation bundle (2) on which it can then act from the outside inwards at minimum flow velocity.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: September 17, 1985
    Assignee: BBC Brown, Boveri & Company, Limited
    Inventors: Helmut V. Lang, Son LeMong
  • Patent number: 4537248
    Abstract: This disclosure relates to an aircooled heat exchanger including first and second sets of tubes that carry a fluid to be cooled. One end of each tube is connected to an inlet header and the other end is connected to an outlet header. Each tube includes first and second longitudinal portions which are joined or connected by an intermediate bent portion. The tubes are arranged in the flow path of a cooling air flow. The first portions of the first set of tubes are located upstream, with respect to the direction of air flow, relative to the second portions of the first set and relative to the first portions of the second set, and the second portions of the second set are located upstream relative to the first portions of the second set and to the second portions of the first set. This offset relation of portions of the tubes substantially equalizes the heat exchange with the air.
    Type: Grant
    Filed: May 25, 1983
    Date of Patent: August 27, 1985
    Assignee: Sasakura Engineering Co., Ltd.
    Inventor: Kunihiko Minami
  • Patent number: 4519450
    Abstract: An air cooled vacuum producing condenser is disclosed for condensing vapors containing non-condensible gases, i.e. air. The condenser includes a condenser chamber with a bundle of condenser tubes across the chamber. Inlet and outlet headers are disposed at opposite ends of the chamber. Water is directed downwardly onto the bundle of condenser tubes, and air is discharged from the interior of the chamber to create a downward flow of air through the chamber across the bundle of condenser tubes.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: May 28, 1985
    Assignee: Niagara Blower Company
    Inventor: Walter Kals
  • Patent number: 4461346
    Abstract: A horizontal feedwater heater for use in heat power stations, of the type having a shell, a plurality of U-bent heat transfer tubes extended in the longitudinal direction of the shell and a vent tube extended in the longitudinal direction of the shell substantially at the center of the latter and adapted for extracting and discharging non-condensed gas. The feedwater heater has a baffle disposed at each side of the vent tube and having a horizontal plate portion extended horizontally from the vent tube and an inclined plate portion inclined downwardly from the end of the horizontal plate portion at an obtuse angle to the latter.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: July 24, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Yoshiyuki Hoshino, Shyuichi Imazu, Masahiko Miyai, Yoshikuni Oshima, Masakiyo Izumiya
  • Patent number: 4436146
    Abstract: A shell and tube heat exchanger module which can be easily combined with other such modules to effect a close packed arrangement and which allows condensation of a vapor stream containing a non-condensible fraction without allowing a vapor buildup. The heat exchanger is particularly suitable as a main condenser in a cryogenic air separation process.
    Type: Grant
    Filed: May 20, 1981
    Date of Patent: March 13, 1984
    Assignee: Union Carbide Corporation
    Inventor: James Smolarek
  • Patent number: 4423766
    Abstract: Apparatus for condensing vapors at reduced pressure including a cooled vapor condenser having a liquid level sensor therein with a vacuum pump being connected by way of a control valve for drawing vapor from the vapor chamber of the condenser. The liquid level sensor opens and closes the control valve to control drawing of vapor from the vapor chamber in accordance with the level of liquid in the condenser.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: January 3, 1984
    Assignee: Arthur Pfeiffer Vakuumtechnik Wetzlar GmbH
    Inventors: Karl-Heinz Bernhardt, Helmut Strzala
  • Patent number: 4417619
    Abstract: This disclosure relates to an aircooled heat exchanger including first and second sets of tubes that carry a fluid to be cooled. One end of each tube is connected to an inlet header and the other end is connected to an outlet header. Each tube includes first and second longitudinal portions which are joined or connected by an intermediate bent portion. The tubes are arranged in the flow path of a cooling air flow. The first portions of the first set of tubes are located upstream, with respect to the direction of air flow, relative to the second portions of the first set and relative to the first portions of the second set, and the second portions of the second set are located upstream relative to the first portions of the second set and to the second portions of the first set. This offset relation of portions of the tubes substantially equalizes the heat exchange with the air.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: November 29, 1983
    Assignee: Sasakura Engineering Co., Ltd.
    Inventor: Kunihiko Minami
  • Patent number: 4371034
    Abstract: A plate type evaporator comprising a plurality of vertically extending plate elements assembled face-to-face to define therebetween alternate channels for a heating medium and for a liquid to be evaporated. In order to accelerate the nuclear boiling of the liquid in the liquid channels, the heat transfer surface of each plate element has a plurality of vertically extending transversely spaced ridges projecting toward the associated liquid channel, such ridges being in contact with the heat transfer surface of the opposed plate element to provide areas of contact assisting in the evolution of vapor bubbles and divide the liquid channel into narrow sections assisting in the generation of vapor, such sections also assuring that even in deeper places in the liquid channel, vapor bubbles will be generated without yielding to the liquid pressure; alternatively, each plate element has a porous layer formed on its heat transfer surface facing the liquid channel.
    Type: Grant
    Filed: January 27, 1981
    Date of Patent: February 1, 1983
    Assignee: Hisaka Works, Limited
    Inventors: Ken'ichi Yamada, Hiroyuki Sumitomo, Akira Horiguchi, Kenzo Masutani
  • Patent number: 4326581
    Abstract: Energy is extracted from geothermal brines by direct contact with a working fluid such as isobutane which is immiscible with the brine in a geothermal boiler. The geothermal boiler provides a distributor arrangement which efficiently contacts geothermal brine with the isobutane in order to prevent the entrainment of geothermal brine in the isobutane vapor which is directed to a turbine. Accordingly the problem of brine carry-over through the turbine causes corrosion and scaling thereof is eliminated. Additionally the heat exchanger includes straightening vanes for preventing startup and other temporary fluctuations in the transitional zone of the boiler from causing brine carryover into the turbine. Also a screen is provided in the heat exchanger to coalesce the working fluid and to assist in defining the location of the transitional zone where the geothermal brine and the isobutane are initially mixed.
    Type: Grant
    Filed: December 27, 1979
    Date of Patent: April 27, 1982
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventor: Pascal M. Rapier
  • Patent number: 4254825
    Abstract: A multitubular heat exchanger used as a feedwater heater in a power generating plant and the like includes a shell, a high temperature tube bundle and a low temperature tube bundle composed of a multiplicity of U-shaped heat transfer tubes arranged in the shell and a vent tube interposed between the two tube bundles. A laterally-closed flow passage is defined in at least one of the high temperature tube bundle and the low temperature tube bundle to induce part of a heating medium flowing between the shell and the tube bundle to flow to a position deep in the tube bundle and near the vent tube, so that a noncondensable gas stagnating zone formed in the tube bundle can be moved near to the vent tube and noncondensable gas can be removed from the shell by extraction through the vent tube.
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: March 10, 1981
    Assignee: Hitachi, Ltd.
    Inventor: Syuichi Imazu
  • Patent number: 4252186
    Abstract: An improved condenser including a longitudinal extending baffle and a series of transversely extending baffle plates creating a desired flow path for vapor to be cooled which is introduced into a shell. The condenser is characterized by high efficiency performance resulting from improved heat transfer coefficients and better purging of non-condensable gases because of the novel baffle arrangement.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: February 24, 1981
    Assignee: Borg-Warner Corporation
    Inventors: Keith E. Starner, Harold B. Ginder, Thomas M. Rudy
  • Patent number: 4249596
    Abstract: A heat exchanger type condenser for separating water and other polutants from a vaporous mixture and a method of making the condenser is disclosed utilizing a hollow cylindrical vessel with inlet and outlet means. Conduit means having transversely extending heat exchanger fins are located in the vessel with the heat exchanger fins being square or rectangle when viewed in end view. Upper and lower baffle guides with baffles extending between the guides surround the heat exchanger fins in the vessel. The lower baffle guide has perforations formed therein so that the material that is condensed out of the mixture is immediately separated and drained. The conduit means has an entry and exit means that completely seals the inside of the conduit from the inside diameter of the cylindrical vessel. The cylindrical vessel has inlet and outlet means that help seal the inside of the cylinder from the surrounding atmosphere.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: February 10, 1981
    Inventors: Peter Tutak, Don Burk
  • Patent number: 4247309
    Abstract: A process and apparatus for the separation of gas bubbles from a liquid which is subjected to a flow, in which a flowing portion of the liquid is brought into contact with an arcuate wall at an opening and deflected into a relatively quiescent liquid along a surface, so as to produce a vortex at the contact surface between the two liquid portions in such a manner as to project the vortex into the flowing portion as well as into the relatively quiescent portion, and whereby its axis extends in parallel or almost parallel to the contact surface, so that gas bubbles will be conducted from the flowing liquid portion by the vortex into the relatively quiescent liquid portion, from which the gas bubbles will then separate out under the influence of buoyant force.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: January 27, 1981
    Assignee: M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
    Inventor: Uwe Buddenhagen
  • Patent number: 4243094
    Abstract: There is disclosed herein an improved multipass condenser construction having provisions therein which allow the condensate formed from each pass through the core portion thereof to by-pass substantially all of the remaining core portions thereby promoting maximum efficiency of the condenser. The condenser comprises a pair of vertically extending headers each having a plurality of baffles provided therein and an interconnecting core structure. The baffles are arranged so as to cause a gaseous fluid to flow through the core structure in alternating directions so as to be cooled and condensed to a liquid state. Each of the baffles is provided with a small aperture which allows condensate formed from each pass of the gaseous fluid through the core structure to by-pass the remaining portions of the core and flow directly to the lower end of the headers.
    Type: Grant
    Filed: January 11, 1979
    Date of Patent: January 6, 1981
    Assignee: Karmazin Products Corporation
    Inventors: Ivan D. Woodhull, Jr., Thomas H. Liedel
  • Patent number: 4240502
    Abstract: There is disclosed a heat exchanger having one or more bundles of tubes through which steam or other vapor is passed and comprising horizontally arranged rows of tubes each of which is connected to a separate outlet header. Condensate from the outlet headers of each bundle is drained into a pot having individual water leg seals which isolate vapor pressure within such outlet headers from one another. The outlet headers are of generally rectangular cross section and staggered in a horizontal direction, with the lower end of each successive outlet header to be contacted by air extending below the upper end of the preceding outlet header. The tubes of each such successive row of tubes are longer than those of the preceding row to be contacted by air and extend over the upper end of the outlet header connecting with the tubes of the preceding row of tubes.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: December 23, 1980
    Assignee: Hudson Products Corporation
    Inventor: Michael W. Larinoff
  • Patent number: 4231424
    Abstract: The header delimits a bearing portion 14 against which abuts a partition connected to the inner wall of the header by a gasket 17. A pipe for supplying the liquid to be cooled arrives beneath the partition 8 and a degassing duct 24 arrives above the partition in a compartment closed by a stopper.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: November 4, 1980
    Assignee: Societe Anonyme des Usines Chausson
    Inventor: Jean-Pierre Moranne
  • Patent number: 4226283
    Abstract: A multitubular heat exchanger mainly used in thermal and nuclear power plants having a plurality of tube bundles located within a shell and including a large number of U-shaped heat transfer tubes for permitting a medium to be heated to flow therethrough, and a vent tube interposed between the tube bundles and arranged in the longitudinal direction of the shell, further includes at least one flow guide plate with or without at least one slit disposed in or near the outer marginal portion of one of the tube bundles for inducing streams of a heating medium to flow toward the vent tube. The provision of the guide plate with or without the slit has the effect of moving a heating medium stagnating zone, which has hitherto been located in one of the tube bundles, to a position which is in the vicinity of the vent tube to thereby prevent corrosion of the heat transfer tubes by noncondensable gas.
    Type: Grant
    Filed: August 11, 1977
    Date of Patent: October 7, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Furukawa, Tamotsu Yamane
  • Patent number: 4224981
    Abstract: A feed-water preheater for a steam power plant is disclosed. Feed-water at a relatively low temperature is conducted through bundles of heater tubes in heat exchange relation with steam from the turbine. The heater tubes are arranged in a U-shaped bundle, with one leg of the U serving as the cold inlet side and the other leg of the U serving as the warm outlet side of the heat exchanger. A partition extends lengthwise of the heater tubes between the legs and the U-shaped bundle. The steam inlet is located at the warm outlet side of the tubes and the housing forms a steam chest around the tubes. Deaerating pipes are provided on each side of the partition in the center of the bundle of heater tubes with openings spaced along the length of the deaerating pipes for receiving the noncondensable gases from the steam, and to draw off the gases through the deaerating pipes.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: September 30, 1980
    Assignee: BBC Brown Boveri & Company Limited
    Inventors: Rudolf Datz, Helena Riegger-Dreher
  • Patent number: 4220121
    Abstract: A heat exchanger is provided for a pressurized, closed cooling system for a marine propulsion engine. The heat exchanger includes a closed spiral passageway means for the fresh cooling water drawn from the lake or other water body. An outer housing encloses the spiral passageway and includes baffle means for directing of a coolant in a spiral path over the cooling passageway means within the housing. The coolant is thereby cooled by the circulating cold fresh water. An air discharge passageway means is provided in the center of the spiral path. The centrifugal forces associated with the spiral flow of the cooling coolant results in the water moving outwardly within the passageway while the air tends to collect within the center thereof where it is collected and discharged by the air passageway means for automatic separation and removal of the air.
    Type: Grant
    Filed: April 5, 1978
    Date of Patent: September 2, 1980
    Assignee: Brunswick Corporation
    Inventor: Mario A. Maggiorana
  • Patent number: 4220194
    Abstract: Improved means for substantially eliminating condensate subcooling in single-stage moisture separator reheaters is provided by recirculating large quantities of scavenging steam through the reheater tube bundle. Heating steam for the tubeside (within the tubes of the tube bundle) of the reheater is extracted from the main steam supply upstream of the high-pressure turbine. This main steam is throttled before entering the tube bundle at part load conditions to reduce the temperature differential with respect to the high-pressure turbine exhaust steam which is to be reheated on the shellside. The tubes of the tube bundle are differentially orificed at their inlet to provide sufficient steam to each tube based on complete condensation at tube exit. At throttled, part load conditions, considerable excess scavenging steam is required to correct for the inefficiencies of the fixed orifices at these off-design conditions.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: September 2, 1980
    Assignee: General Electric Company
    Inventors: Russell L. Shade, Jr., William G. Reed, Jack S. Mazer
  • Patent number: 4219077
    Abstract: A multitubular heat exchanger used in a power plant is provided with a bundle of U-shaped heat transfer tubes and a vent tube. The vent tube is located between an upper portion and a lower portion of the bundle of U-shaped heat transfer tubes. A steam flow guide plate is located above a hole of the vent tube and below the upper portion of the bundle of U-shaped heat transfer tubes. The steam flow guide plate obstruct a downward steam flow from the upper portion of the bundle toward the vent tube.
    Type: Grant
    Filed: May 24, 1978
    Date of Patent: August 26, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Masahiro Furukawa, Yoshikuni Ohshima
  • Patent number: 4205632
    Abstract: Feedwater preheater having a multiplicity of tubes conducting feedwater, in combination with a device for separating moisture from moisture-bearing steam, includes structural components disposed transversely to a steam flow toward the heating tubes in vicinity of a steam inlet to the preheater, the structural components being in the form of a plurality of rod-shaped rows of profile members disposed between respective tubes of the feedwater preheater and the steam inlet, adjacent rods of the rows of profile members being spaced from one another, the spaces therebetween being mutually offset from one row of profile members to another in direction toward the tubes of the feedwater preheater.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: June 3, 1980
    Assignee: Kraftwerk Union Aktiengesellschaft
    Inventor: Herbert Tratz
  • Patent number: 4193446
    Abstract: An intermediate steam superheater includes a heat exchanger comprising a bundle of tubes supplied with steam and subject to the disadvantage that the steam may condense completely in some of the tubes while passing freely through others of the tubes with a consequent loss of heating efficiency. This is corrected by sucking the steam from the outlet ends of the tubes and injecting it into the inlet ends of the tubes so that such a high flow rate occurs through the tubes that the tubes are kept substantially free from condensate while the steam is continuously recirculated through all of the tubes, the condensate from the condensed portion of the steam being discharged from the heat exchanger.
    Type: Grant
    Filed: August 18, 1977
    Date of Patent: March 18, 1980
    Assignee: Stal-Laval Apparat AB
    Inventors: Ingemar Greis, Lars-Olof Ingesson
  • Patent number: 4190102
    Abstract: An air cooled condenser installation comprising a first group of heat exchange elements including a plurality of rows of upright tubes impinged by a stream of cooling air and connected at upper and lower open ends by an upper manifold respectively, a lower collecting chamber to each other, and a steam conduit communcating with the upper manifold so that the steam flows in downward direction through the tubes and partly condenses therein with the condensate flowing in the same direction, and a second group of heat exchange elements including a second plurality of upright tubes impinged by a second stream of cooling air and connected at upper and lower open ends respectively by an upper chamber and a lower chamber, and a conduit connecting said lower collecting chamber of said first group of heat exchange elements with the lower chamber of the second group of heat exchange elements so that steam which has not been condensed in the first group of heat exchange elements will flow in upward direction through the s
    Type: Grant
    Filed: April 12, 1978
    Date of Patent: February 26, 1980
    Assignee: GEA Luftkuhlergesellschaft Happel GmbH & Co. KG
    Inventor: Hans-Bernd Gerz
  • Patent number: 4182404
    Abstract: An engine cooling system for the internal combustion engine of a motor vehicle, such as a construction machine or the like which operates on uneven or sloped terrain, comprises a radiator having a lower core section and an elongated upper section or top tank separated from the core section by a sealed baffle and extending transversely to the longitudinal axis of the vehicle. The cooling system further comprises fluid conducting passages connected between the radiator and the engine, including a radiator supply line and a radiator return line connected between the core section and the engine. The cooling system also comprises a pair of fluid outlet ports located near the bottom of the top tank and spaced apart from each other in a direction transverse to the longitudinal axis of the vehicle.
    Type: Grant
    Filed: December 27, 1977
    Date of Patent: January 8, 1980
    Assignee: Fiat-Allis Construction Machinery, Inc.
    Inventors: Paul J. Beveridge, Myron L. Vigesaa
  • Patent number: 4177859
    Abstract: An air condenser for condensing vapors where freezing or solidification of the condensate is likely to occur. Finned tube bundles are used, which are arranged so as to form a primary condensation zone and a secondary condensation zone. The tube bundles are placed at a slope and are struck by an air stream coming from below. The innermost tubes are directly struck by the cooling airstream and make up the first condensation zone. The outermost tubes receive air which has been preheated since it has flowed through the first condensation zone. These outermost tubes make up the second condensation zone. Thus vapors which are not condensed immediately are condensed in the second condensation zone. The apparatus is a compact, self-contained and efficient unit which is cheaper than the prior art devices both as to initial cost and upkeep cost.
    Type: Grant
    Filed: April 6, 1978
    Date of Patent: December 11, 1979
    Assignee: Snamprogetti, S.p.A.
    Inventors: Maurizio Gatti, Sergio Tavano, Basilio Checcacci
  • Patent number: 4168742
    Abstract: There is disclosed apparatus for condensing steam, or other vapors containing non-condensibles such as air, which includes bundles each made up of a single row of parallel, side-by-side and spaced-apart tubes over which air is passed in a direction transverse to the row. Each tube has substantially parallel side walls which are generally parallel to the side walls of adjacent tubes, with the side walls being substantially longer in the direction of air flow than the width of the tube.
    Type: Grant
    Filed: March 27, 1978
    Date of Patent: September 25, 1979
    Assignee: Hudson Products Corporation
    Inventors: George E. Kluppel, Ennis C. Smith
  • Patent number: 4002442
    Abstract: Equalizing and air separation tank structure for accommodating separation of air from a liquid heat carrier flowing through a cooling system for an internal combustion engine cooling space. A pair of separation chambers are provided in series connection with one another and one above the other, both having separate vents opening to an air chamber space arranged thereabove. The upper separation chamber includes an inlet opening for a portion of the flow through the circulatory system and the lower separation chamber includes an outlet for such flow, which outlet opens adjacent a main flow outlet which accommodates passage of the remaining portion of the coolant flow in bypassing relationship to the separation chambers. The main flow inlet to the tank opens into a main flow chamber, which also includes a separate bypass vent leading to the air chamber above the separation chambers.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: January 11, 1977
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventor: Josef Merz
  • Patent number: 3973624
    Abstract: Condenser for a gaseous media such as steam, comprising a plurality of longitudinal tubes, generally several thousands, through which a coolant passes. Steam is passed around these tubes, and the tubes are braced at selected locations in longitudinal direction by means of brace plates or the like, and the steam is passed from the periphery of the heat exchanger and toward the interior thereof during condensaton. The condenser comprises a casing or shell and one or more nests of tubes and means for circulating steam around the entire or greater part of the periphery, and within each tube nest, an air-cooler device is placed centrally or substantially centrally, which air-cooler extends along the entire length of the tube nest. The brace plates are provided with flow channels effective to distribute the gaseous media about the condenser in response to fluctuation in condensing capacity along the tube nests.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: August 10, 1976
    Assignee: Stal-Laval Apparat AB
    Inventors: Lars Bratthall, Erik Henriksson, Lars Olof Ingesson
  • Patent number: 3951198
    Abstract: Apparatus and method for purifying industrial waste gases, and during the process of purifying the waste gases, a solution of polluted water is obtained which is subsequently passed through additional associated apparatus in order to recover comparatively pure water. The apparatus includes an in-line condenser for reducing the temperature of the industrial waste gases prior to being conducted to a waste gas purifier. The solid particulate matter of the industrial waste gases are collected in suitable disposal containers, while the liquid waste from the gas purifier is conducted to a liquid collection means from which the liquid waste is passed through a thermal energy generator for producing super-heated steam that is subsequently conducted to a condensing box for recovering comparatively pure water.
    Type: Grant
    Filed: August 15, 1972
    Date of Patent: April 20, 1976
    Assignee: Rose Shuffman, executrix
    Inventors: Sigmund Lance Ross, Oscar Shuffman, deceased
  • Patent number: 3938588
    Abstract: A feedwater heater has a condensate inlet, and a flow distributor cooperatively associated with the condensate inlet, a plurality of U-shaped tubes forming a tube bundle, a vent condenser portion enclosing a portion of the cold leg of the tube bundle and a trough centrally disposed within the tube bundle to provide deaeration of the condensate. The trough has its lengthwise opening in fluid communication with the cold leg portion of the tube bundle and one end thereof in fluid communication with the vent condenser for channeling the non-condensibles to the vent condenser where they are vented from the feedwater heater.
    Type: Grant
    Filed: October 18, 1973
    Date of Patent: February 17, 1976
    Assignee: Westinghouse Electric Corporation
    Inventors: Roland L. Coit, Robert G. Slebodnick