Abstract: A large flexible plastic bib that is conical or funnel shaped with its large open end supported by a frame for positioning near a source of effluent to be collected, and the bib small open end positioned to direct liquid and debris toward a floor drain.

Abstract: In an apparatus provided with a plate type heat exchanger as a heater and/or a cooler and operated to treat a gas containing an easily blocking substance, a method for preventing the plate type heat exchanger from being blocked is disclosed which is characterized by i) setting the width of a flow path on a plate of the plate type heat exchanger in the apparatus in a range of 6-25 mm and ii) setting the average flow rate of the gas passing the plate type heat exchanger in the apparatus per unit cross-sectional area of the flow path on the plate in the range of 3-15 m/s. In the exchange of heat of an easily blocking substance by the use of a plate type heat exchanger, a method for preventing the plate type heat exchanger from blockage is disclosed which has the plate type heat exchanger provided in the port for introducing a gas containing an easily blocking substance with a gas dispersion plate.

Abstract: A thermal energy system including a heat exchanger for transferring thermal energy between a source and a load, the heat exchanger having a primary side associated with the source, and a secondary side for conducting a fluid associated with the load, wherein the secondary side of the heat exchanger is passively back-flushed upon consumption of a portion of the fluid. Passive back-flushing prevents fouling of the heat exchanger due to sediments, scale, and mineral deposits which may be present in the circulating fluid.

Abstract: A method for cleaning a lubricating oil cooler apparatus in situ with a cleaning liquid which includes introducing a cleaning liquid that is compatible with lubricating oil into the shell to cause cleaning of the shell and the external surfaces of the tube bundle. The cleaning liquid is recirculated in the shell to remove contaminants from the shell and the cleaning liquid is filtered after it has passed through the shell to remove contaminants from the cleaning liquid. The cleaning liquid is removed from the shell.

Abstract: This cleaning system includes a compressor driven by a motor, a condenser; a cooling fan for directing an air stream at the condenser during normal operation, a motor drive system for driving the fan, and a timing device for reversing the rotational direction of the fan motor to direct the stream of cooling air away from the condenser to remove debris collected on the condenser and clean the condenser during a cleaning cycle. The fan is driven by drive system having a solid state commutated motor or a drive system having a reversible permanent split capacitor motor. The timing device includes a timer for controlling the time periods during the normal operation (cooling) cycle and during the cleaning cycle.

Abstract: A manually switchable corona electrode array and method of operation for use in a corona treater station. The preferred embodiment of the present invention contemplates an electrode array which incorporates in its structure a low pressure conduit system for providing a low pressure field in the vicinity of the corona field, in order to remove ozone and other contaminants generated by the corona field. The electrode array further includes means to quickly and easily urge the array from a first position, wherein the array is situated adjacent to the treatment area, to a second position, removed from the treatment area, so as to facilitate maintenance and spooling of the material to the treated therethrough. The present invention provides a more compact footprint than traditional systems, as well as providing an ozone removal system requiring a cheaper, less powerful exhaust blower for providing the low pressure differential to remove the pollutants, including ozone, from the treatment area.

Abstract: A cleaning apparatus with cleaning rings for cleaning cylindrical bodies, preferably for the quartz cladding tubes in UV disinfection units, especially in UV disinfection sluices for waste water, which in addition to an axially parallel longitudinal movement over the outside surfaces perform an additional angularly limited and alternating rotational movement The object of the invention is a cleaning apparatus with cleaning rings for cleaning cylindrical bodies, preferably for the quartz cladding tubes in UV disinfection units, especially in UV disinfection sluices for waste water, which in addition to an axially parallel longitudinal movement over the outside surfaces perform an additional angularly limited and alternating rotational movement.

Abstract: A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility (31) such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosives (101) to prevent them from detonating due to the heat of the on-line facility. Thus, controlled, appropriately-timed detonation can be initiated as desired, and boiler scale and slag is removed without the need to shut down or cool down the facility.

Abstract: In a system for cleaning tubes of tube-bundle type heat exchangers including a plurality of tubes (5) arranged in parallel between two chambers (10a, 10b) and flown through by a fluid medium, in particular crude oil, at a temperature above 120° C., wherein, for cleaning the tubes (5), deposits on their inner walls, such as coking, dirt particles or the like, are detached by cleaning bodies passing through the tubes (5), and carried out of the tubes (5), for cleaning the inner wall of the plurality of tubes (5) of the heat exchanger during the operation of the heat exchanger (10), it is provided that the cleaning bodies (1a-1h) are formed in such a way that they are resistant to high temperatures (above 120° C.

Abstract: In a cleaning system which uses balls made of spongy material for cleaning fluid conducting tubing a ball collector having a housing with inlet and outlet ports, the outlet port having a strainer screen which allows fluid but not the balls to pass, and an access port with a releasable cover sealed with an O-ring. The cover is of metal frame construction with a transparent center, preferably preferably comprised of a pyrex glass member encased in a metal sleeve.

Abstract: Heat transfer in non-turbulent highly viscous mixed-phase flowing streams can be improved by altering flow characteristics using spiral-shaped elements to eliminate boundary phenomena. The spiral-shaped element promotes helical or spiral flow paths to reduce or eliminate temperature gradients associated with laminar flow characteristics.

Abstract: The invention relates to an apparatus for the heating of flowing material containing finely divided solids, such as concentrate slurry containing precious metals and/or precious minerals, up to a desired temperature range, for instance the temperature range applied in a treatment process of said material, said apparatus comprising means for feeding and removing the medium used for heating as well as means for feeding and removing the material to be heated in and out of the apparatus. According to the invention, both the flowing space of the material to be heated and the flow channels (3) of the heating medium are installed in an essentially vertical position, so that the material to be heated can be fed to the bottom part of the flowing space, and the heating medium can be fed to the top part of the flow channels (3), and that in the feed chamber (5) of the material to be heated, there are installed means (9) for cleaning the feed chamber (5).

Abstract: A heat exchanger exchange-tube cleaning lance positioning system that includes a three axis cleaning lance positioning mechanism that is attachable to the end of a heat exchanger and that is controlled by a lance position computer controller that determines the locations of each of the openings of the exchange-tubes of the heat exchanger by analyzing an image signal generated by a camera mounted to the three axis cleaning lance positioning mechanism and then positions a connected exchange tube cleaning lance into and through each of the exchange-tube passageways to clean the exchange-tube passageways automatically.

Abstract: A method and apparatus for protecting personnel required to work inside of a heat exchanger unit when the cooling air fan has been taken out service for maintenance or repair of the fan or other mechanical equipment, while hot fluid continues to flow through the heat exchanger tubes, and adjacent heat exchanger units continue to operate. An inflatable heat shield is inserted into the out of service heat exchanger unit, and inflated therein to block the convective heat generated by the hot fluid and the adjacent operating units from reaching the personnel working inside the heat exchanger unit.

Abstract: An installation for recovering debris stopped by a filter at the inlet of a heat exchanger: a washing water manifold (36) at the outlet of the filter (11) feeds a separator (37) provided with an outlet pipe (39) for water free of debris to which is connected a hydro-ejector (50) which is connected to the outlet pipe (16) of the exchanger (19).

Abstract: A coolant transfer machine for an automotive engine includes first and second fluid transfer systems. The first system, operated when the engine is not running, sequentially first removes at least a substantial portion of used coolant from the engine. The first system then collects in a used fluid container the used coolant as the used coolant is being removed and then replaces the removed used coolant with new coolant from a new fluid container. The second system, operated when the engine is running, simultaneously displaces at least a substantial portion of used coolant in the engine with new coolant from the new fluid container and collects the displaced used coolant in the used fluid container. A manually operable switch has a first position that enables operation of the first fluid transfer system and a second position that enables operation of the second fluid transfer system.

Abstract: A grid for intercepting solid elements circulated in a heat exchanger to clean it; the grid includes a frame (33) and molded grid members (36) assembled onto the frame (33); the frame (33) is made up of parallel sheet metal chevrons (34) disposed at a regular pitch and transverse cross members (35) and an articulation shaft (31) passing through and welded to the chevrons; the grid members are globally rectangular and extend successively between two plates (34). A control installation for solid cleaning elements, includes the above kind of grid.

Abstract: A condenser tube cleaning nozzle which is cushioned with resilient washers. The present invention provides a stiffened nozzle adapted to handling high pressure, while at the same time providing cushioning at all contact points on a tube sheet and within a particular tube being cleaned.

Abstract: An apparatus for removing deposits from a heat transfer wall of a heat exchanger. The apparatus includes a cleaning cycle control system that operates through the control system of the heat pump and eliminates the need for periodic acid cleaning of heat exchanger. The cleaning cycle control system engages a heating cycle of the heat pump to at least partially freeze the fluid adjacent to the heat transfer wall and then engages the cooling cycle of the heat pump to thaw the fluid adjacent to the heat transfer wall. The thermal expansion and contraction of the deposits on the heat transfer wall and the flow of fluids through the heat exchanger flush deposits from the heat transfer wall of the heat exchanger.

Abstract: A photobioreactor is disclosed for cultivating a photosynthetic organism. This photobioreactor provides innovative features that allow an easy cleaning of the light source. The photobioreactor has a container for containing a liquid culture medium for cultivating photosynthetic organisms, light-emitting tubes mounted within the container. The photobioreactor also has cleaning devices mounted within the container for cleaning the outer surface of the light-emitting tubes and actuators for actuating the cleaning devices.

Abstract: In an apparatus provided with a plate type heat exchanger as a heater and/or a cooler and operated to treat a gas containing an easily blocking substance, a method for preventing the plate type heat exchanger from being blocked is disclosed which is characterized by i) setting the width of a flow path on a plate of the plate type heat exchanger in the apparatus in a range of 6-25 mm and ii) setting the average flow rate of the gas passing the plate type heat exchanger in the apparatus per unit cross-sectional area of the flow path on the plate in the range of 3-15 m/s. In the exchange of heat of an easily blocking substance by the use of a plate type heat exchanger, a method for preventing the plate type heat exchanger from blockage is disclosed which has the plate type heat exchanger provided in the port for introducing a gas containing an easily blocking substance with a gas dispersion plate.

Abstract: A microturbine power system and of a method of operating same comprising automatically detecting fouling of a recuperator and then cleaning the recuperator.

Abstract: A control installation for solid cleaning members circulating in a heat exchanger includes interception arrangements interposed on the heat exchanger outlet pipe, a return pipe which recycles toward the inlet pipe a return flow containing the solid cleaning members, and a control device for the solid cleaning members. Between the interception arrangements and the control device there is a concentration device dividing the return flow into two parts. The return pipe is part of circulation arrangements which generate a counter-current flow through the interception arrangements and which include suction arrangements in line with the interception device to take up the solid cleaning members retained thereby.

Abstract: The present invention relates to a pickling agent for the chemical conversion coating of a heat exchanger which is capable of cleaning the complicated structure comprising fins and tubes of a heat exchanger in preparation for the successful formation of a chemical conversion film, a method of pickling a heat exchanger, a method of treating a heat exchanger comprising said pickling method, and a heat exchanger produced by using said treating method. The present invention provides pickling agent for the chemical conversion coating of a heat exchanger which comprises an acidic aqueous solution containing nitric acid and/or sulfuric acid and at least one metal and/or metal oxoanion salt derived from any metal selected from the group consisting of iron, nickel, cobalt, molybdenum and cerium.

Abstract: A filter-heat exchanger includes a plurality of hollow wires arranged in parallel with a slit of a predetermined width formed between adjacent hollow wires. The hollow wires each have an inlet and an outlet for a heating/cooling fluid whereby the heating/cooling fluid flows through the hollow wires and fluid to be filtered flows through the slits from one side of the parallelly arranged hollow wires to the other side of thereof. The filter-heat exchanger can accomplish filtering and heat exchanging processes simultaneously in a single step.

Abstract: Apparatus for cleaning cooler apparatus in situ of the type having a shell with external piping and a tube bundle disposed in the shell and for utilization with a cleaning liquid comprising a movable skid. Intake and outlet manifolds are mounted on the skid and are adapted to be coupled into the external piping. A plurality of filter pods are carried on the skid and each has an inlet and an outlet. A pump is provided for causing flow of the cleaning liquid through piping which interconnects the inlets and the outlets of the filter pods to the inlet manifold and to the outlet manifold so that the cleaning liquid passes through the inlets of the filter pods, through the filter pods and out the outlets of the filter pods and into the outlet manifold.

Abstract: A header box for a heat exchanger includes a hollow unitary body having four generally flat sides forming a generally quadrilateral cross-section. End plates are located at, and coupled to, each end of the unitary body. One generally flat side has a plurality of plug openings located. The flat side opposite the one generally flat side having the plug openings includes a plurality of tube openings.

Abstract: An apparatus for cleaning tubing in an operating heater, in which the tubing has an inlet and an outlet. While the heater is in operation, a pig is run through the tubing from the inlet to the outlet and then returned to the inlet along return tubing, in parallel connection to the heater tubing. A combined pig launcher and receiver mounted parallel to the tubing, and controlled with three-way full port valves, is used to launch pigs into the tubing and remove them from the tubing. A boost pump is used to force pigs back from outlet to inlet.

Abstract: An installation for recovering debris stopped by a filter at the inlet of a heat exchanger: a washing water manifold (36) at the outlet of the filter (11) feeds a separator (37) provided with an outlet pipe (39) for water free of debris to which is connected an ejector nozzle (50) which is connected to the outlet pipe (16) of the exchanger (19).

Abstract: A heat exchanger assembly comprises a tubular casing (1) housing product conduit pipe (8) and a rod (14) extending through each pipe (8). The rod (14) being reciprocatingly moveable along the pipe (8) and having a scraping means (15) projecting from it such that upon reciprocation of the rod (14) within the pipe (8) the scraping means (15) will scrape product residues from the inner walls of the product conduit (8), allowing improved heat transfer to be achieved whilst the assembly continues to operate.

Abstract: An apparatus for removing deposits from a heat transfer wall of a heat exchanger. The apparatus includes a cleaning cycle control system that operates through the control system of the heat pump and eliminates the need for periodic acid cleaning of heat exchanger. The cleaning cycle control system engages a heating cycle of the heat pump to at least partially freeze the fluid adjacent to the heat transfer wall and then engages the cooling cycle of the heat pump to thaw the fluid adjacent to the heat transfer wall. The thermal expansion and contraction of the deposits on the heat transfer wall and the flow of fluids through the heat exchanger flush deposits from the heat transfer wall of the heat exchanger.

Abstract: A contaminant flushing machine for removing contaminants from a container, such as an engine transmission or transmission cooler which includes hoses for coupling to the transmission cooler and a pump for circulating fluid through the hoses and the transmission cooler and a fluid filter having a reduced tendency towards causing vaporization of the fluid. Also included in the contaminant flushing machine is an automatic aeration system for injecting air into the circulating fluid at predetermined intervals. Additionally, a reverse flow piping circuit is included to permit automatic and electric manipulation of the flow direction of fluid through said transmission cooler while at the same time not altering the direction of flow of fluid through the filter and the pump.

Abstract: A grid for intercepting solid elements circulated in a heat exchanger to clean it; the grid includes a frame (33) and molded grid members (36) assembled onto the frame (33); the frame (33) is made up of parallel sheet metal chevrons (34) disposed at a regular pitch and transverse cross members (35) and an articulation shaft (31) passing through and welded to the chevrons; the grid members are globally rectangular and extend successively between two plates (34). A control installation for solid cleaning elements, includes the above kind of grid.

Abstract: A device, system and method permitting on-line explosives-based cleaning and deslagging of a fuel burning facility such as a boiler, furnace, incinerator, or scrubber. A coolant, such as ordinary water, is delivered to the explosives to prevent them from detonating due to the heat of the on-line facility. Thus, controlled, appropriately-timed detonation can be initiated as desired, and boiler scale and slag is removed without the need to shut down or cool down the facility.

Abstract: The invention provides an evaporator having a heatable heat exchange surface, which has a self-cleaning microstructured surface with elevations and depressions.

Abstract: A method for the cleaning of heat exchange tubes and a collecting device for the collection of deposits from heat exchange tubes, include releasing deposits and collecting the deposits with a collecting vessel. The collecting vessel has an inlet orifice that completely encloses the underside of a tube plate in which exit-side tube ends are disposed. The collecting vessel has an inflatable hose for sealing off the collecting vessel. The collecting vessel is capable of being folded together, so that it can be introduced through a service orifice into the heat exchanger. The collecting vessel provides simple handling and positioning and serves, in particular, for use in a nuclear plant.

Abstract: A robot body (21) is carried into the water chamber (2A) of a condenser (1) and disposed on a tube sheet (4) through which a number of narrow tubes (3) open. Inner nozzles (23) are inserted into narrow tubes (3) from working devices (24) installed on the front ends of four combined-use arms (22A through 22D) to position and fix the robot body (21). And the arm turning motors (25) and arm extending and contracting cylinder devices (26) of the combined-use arms (22A through 22D) are driven to move the robot body (21). Further, a cleaning brush (12) and a flaw detection probe (13) are inserted into a narrow tube (3) from each working device (24) and moved along the narrow tube (3) by cleaning water, whereby cleaning and inspection are performed. With three of the combined-use arms (22A through 22D) fixed to the narrow tubes (3), the inner nozzle (23) is extracted from the narrow tube (3) and the working device is moved to the next narrow tube (3).

Abstract: A heat exchanger assembly comprises a tubular casing (1) housing product conduit pipe (8) and a rod (14) extending through each pipe (8). The rod (14) being reciprocatingly moveable along the pipe (8) and having a scraping means (15) projecting from it such that upon reciprocation of the rod (14) within the pipe (8) the scraping means (15) will scrape product residues from the inner walls of the product conduit (8), allowing improved heat transfer to be achieved whilst the assembly continues to operate.

Abstract: There are described apparatus and methods wherein ultraviolet light kills and/or degrades and vaporizes microorganisms and organic material which naturally form over time on a heat exchanger. As this matter is eliminated, the pressure drop is decreased (i.e., airflow is increased) and the heat exchange efficiency (capacity) is increased. Less energy per Btu removed is used by the cooling system, and less energy is used by the HVAC system to move air.

Abstract: An apparatus for cleaning tubing in an operating heater, in which the tubing has an inlet and an outlet. While the heater is in operation, a pig is run through the tubing from the inlet to the outlet and then returned to the inlet along return tubing, in parallel connection to the heater tubing. A combined pig launcher and receiver mounted parallel to the tubing, and controlled with three-way full port valves, is used to launch pigs into the tubing and remove them from the tubing. A boost pump is used to force pigs back from outlet to inlet.

Abstract: A screening device for eliminating balls (6) for cleaning the tube of a heat exchanger, condenser or the like from a coolant line (7) comprises a screen (2) located in the outlet area of the heat exchanger, able to cover the free cross section of the coolant line (7) for collecting the balls (6) and progressively restricting the free cross section for the coolant for the collection of the balls (6) in the cooling medium flow direction and a removal line (3), positioned in the flow direction of the cooling medium behind the screen (2) in such a way that the balls (6) collected by the screen (2) are passed into the removal line (3) and leave the coolant line (7) via the removal line (3). For obtaining a less expensive construction for the screening device the screen (2) is fixed to the wall (7a) of the coolant line (7).

Abstract: A compressor including an airflow manifold located within a compressor housing where the airflow manifold includes a heat exchanger flow connected to a shroud that includes a hopper that terminates in a spout that extends through the bottom compressor housing panel and is located outside the compressor housing to permit particulate matter dislodged from the heat exchanger to be discharged from the compressor housing.

Abstract: A device for injecting pressurized fluids into a multiplate heat exchanger, comprising a leaktight chamber (2) provided with an arrangement for feeding and discharging a first pressurized fluid, a plate pack (1) placed in the chamber (2) and including channels for the flow of this first fluid mixed with a second pressurized fluid, and at least one nozzle (21) for injecting the second fluid. The nozzle (21) is connected to a pipe (22) for feeding the second fluid and to a pipe (24) for discharging the particles deposited on a filter unit placed inside the nozzle (21) downstream of the point where the two pipes (22, 24) join the nozzle (21) with respect to the direction of flow of the second fluid. The invention also relates to a method for cleaning such an injection device.

Abstract: A device for inspecting the interior of steam generators capable of visually inspecting interior of tubes in steam generators, including upper portions steam generator tubes, tops and bottoms of support plates, wrapper-to-support plate welds, and other internal structures.

Abstract: Apparatus for recovering floating hard-body tube cleaning elements from cooling water downstream of a heat exchanger. The floating hard-body tube cleaning elements are removed from the water flowing through a cooling tower distribution header and recovery from a modified distribution header vent.

Abstract: An oil cooler movably supported on a vehicle, and being in combination with a radiator supported preferably on a tractor. The two exchangers are in tandem position, relative to air flow, and each has it own vertically clear space, and the oil cooler can be moved in its space to an inoperative position and out of tandem so that both the cooler and radiator can be maintained, such as by cleaning. The support for the cooler is shown to be a pivotal support and the hoses remain connected while the cooler is moved, and there is an air filter screen which is also movably mounted in the assembly, and there is a stand for supporting the cooler in its inoperative position.

Abstract: A die-cushion oil pressure locking device is composed of a locking cylinder which couples with the operation of the die-cushion device can be prevented the wrinkling when the mold products is processed, and an operating cylinder controls oil which is used in the operation of the locking cylinder; and a cooling oil cooler device made of stainless steel, being capable of falling down the increased-temperature oil which is discharged from the locking device body and regulated as to drop its pressure down in efficiency owing to provided the cooling oil cooler device having the inlet so that oil increased temperature through the locking device body passes through the off cooler tubes without the extra resistance in a durability at intermittent flow, and it is fallen down by a cooling water into the cooling device in a short time.

Abstract: The invention relates to a ball collector for a device for returning balls for the cleaning of the tubes of cooling systems operated with a fluid, namely water, comprising a casing which is subdivided into an upper chamber with an inlet for the balls and a lower chamber with an outlet for the balls, in which between the upper and the lower chambers is provided an opening which can be closed by a movable flap in the closed position thereof and can be opened in the open position thereof, the upper chamber having a strainer screen being connected to the lower chamber by a bypass line having a pump, through which water can be pumped from the upper chamber into the lower chamber.

Abstract: The present invention relates to an accessory structure for vehicle air-conditioners for improvement of interior atmosphere by cleaning an evaporator or feeding aromatic or other functional solvents into vehicle air-conditioner adapted for taking in in- or out-side air through an air-conditioner air intake route, wherein a solvent injection means installed in the aforementioned route and a receiving member of a solvent source placed on the compartment side of the vehicle are communicated beforehand through a solvent feed route, so that the trouble and the work otherwise unavoidable for connecting the solvent source to the solvent feed route may be spared, permitting the solvent to be instantly fed to the solvent flow injection means.

Abstract: The present invention relates to an accessory structure for vehicle air-conditioner for improving the compartment atmosphere by cleaning the evaporator as heat exchanger and others or feeding aromatic or other functional solvent in a vehicle air-conditioner for taking in external air or internal air from an air-conditioning air intake route, and more particularly to an accessory structure for vehicle air-conditioner capable of improving the compartment atmosphere, by connecting a solvent feed route to solvent flow injection means provided at the upstream side of the heat exchanger in the air-conditioning air intake route, providing the base end of the solvent feed route with receiving means separated from the solvent source, fixing the receiving means in a specific place in the compartment, and putting in an accommodating space such as glove box, while separating the solvent source such as filled container from the receiving means, thereby preventing the solvent source from being ruptured or damaged, and more