Inner Feeder Passes Through Wall Of Outer Feeder And Extends Along Common Axis At The Wall Patents (Class 366/178.3)
  • Patent number: 8985840
    Abstract: Mixing apparatus and methods for the continuous production of monomer emulsions that may be used in the production of polymer dispersions by radical aqueous emulsion polymerization. The mixing apparatus can include a pipe-in-pipe injector (100) and a suitable rotor-stator mixer (102). Liquids are delivered to the rotor-stator mixer via an inner (110) and an outer (108) pipe in such a way as to substantially prevent feed inconsistencies in a feed ratio of the liquids prior to entering a mixing zone of the rotor-stator mixer for emulsion formation.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: March 24, 2015
    Assignee: Dow Global Technologies LLC
    Inventors: Kenneth W. Hester, Daniel R. Stanley, Mark S. Riddle, Mark A. Greschaw, Dennis D. Hacker
  • Publication number: 20140221719
    Abstract: The present disclosure provides a premixer for at least two gases, comprising: a tabular body having a closed end and an opposite, open end; a first flow passage for receiving a first gas, the first flow passage axially extending through the closed end into the tabular body in a sealable manner; a conical tube arranged in the tabular body, wherein a small end of the conical tube communicates with the first flow passage, and a large end of the conical tube extends toward the open end with an edge thereof being fixed to an inner wall of the tabular body, thereby defining a sealed distribution chamber between the tabular body and the conical tube; and a second flow passage arranged on a side portion of the tabular body for receiving a second gas, wherein the second flow passage communicates with the distribution chamber, so that the second gas can be introduced into said conical tube via the distribution chamber in a substantially radial manner.
    Type: Application
    Filed: January 27, 2014
    Publication date: August 7, 2014
    Applicants: Shanghai Research Institute of Petrochemical Technology, SINOPEC, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Weimin YANG, Wenjie LIU, Yunqun HUANG, Yi GUO, Depan SHI
  • Patent number: 8602634
    Abstract: A feeding device for feeding a chemical into a process liquid flowing through a process liquid flow duct, the feeding device includes: a feeding liquid duct having a discharge opening; a mixing liquid feed duct extending through the feeding liquid duct, a sidewall and a closed end wall, wherein the end wall extends beyond the discharge opening of the feeding liquid duct and extending into the process liquid flow duct; a mixing space adjacent the end wall and within the sidewall of the mixing liquid feed duct; a chemical feed duct extending through the mixing liquid feed duct and having a discharge opening proximate to the mixing space in the mixing liquid feed duct, and a mixture discharge opening in the side wall of the mixing liquid feed duct.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: December 10, 2013
    Assignee: Wetend Technologies Oy
    Inventor: Jouni Matula
  • Patent number: 8298418
    Abstract: Method for bringing ozone into contact with a flow of liquid in which a fraction of the liquid flow is tapped off, a carrier gas laden with ozone is injected into the tapped-off flow, forming gas bubbles, the gas bubbles and the liquid are mixed so as to form a two-phase tapped-off flow, and the tapped-off flow is reintroduced into a descending vertical stream of the main liquid flow, this vertical stream undergoing, at the bottom, a change of direction to essentially the horizontal, the reintroduction of the tapped-off flow being carried out at the lower end of an injection tube immersed in the descending vertical stream of the main flow.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: October 30, 2012
    Assignee: Degremont
    Inventors: Pierre-André Liechti, Urbain Genier, Jacques Moles
  • Patent number: 8272776
    Abstract: The present invention relates to methods and apparatus for forming an homogeneous mixture of chromatography media in a vessel. The invention also relates to methods and apparatus for transferring the homogeneous media from the vessel into a second vessel in preparation for packing a chromatography column. The invention can also be used directly to pack the column with homogeneous media.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: September 25, 2012
    Assignee: GE Healthcare Bio-Sciences AB
    Inventors: Roger Nordberg, Alan M. Williams
  • Patent number: 8240908
    Abstract: An apparatus and method for combining multiple materials into a stream. The multiple materials may include both a major material and one or more minor materials. The minor materials are added using inlet tubes. The major and minor materials are added at transient or steady state flow rates, depending upon a command from a control signal. The apparatus and method utilize a control system which does not have flow control valves, flow control feedback loops or a dynamic mix tank. The actual flow rates track the commanded flow rates, but deviate by an error. The claimed arrangement provides a time-based error believed to be unobtainable in the prior art.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: August 14, 2012
    Assignee: The Procter & Gamble Company
    Inventors: Roger Phillip Williams, Jon Kevin McLaughlin
  • Patent number: 8215823
    Abstract: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jets and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber and the discharge from the water jet orifices intersects with the flow from the recirculation jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: July 10, 2012
    Assignee: Estate of Thomas E. Allen
    Inventor: Thomas E. Allen
  • Patent number: 8192070
    Abstract: A cement mixing method for mixing cement used in cementing oil wells casing and the mixer used in that method. The mixer employs a straight bulk cement inlet, five annular recirculation jets and five annular water jet orifices located downstream of the recirculation jets so that all of the jets discharge at an angle towards the mixing chamber and the discharge from the water jet orifices intersects with the flow from the recirculation jets. This five jet, intersecting flow design allows for more thorough wetting of the cement powder with a smaller, lighter, less expensive and more durable mixer that is less inclined to foul and easier to clean.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: June 5, 2012
    Assignee: Estate of Thomas E. Allen
    Inventor: Thomas E. Allen
  • Patent number: 8161984
    Abstract: In an example embodiment, a device for generating a cleaning foam includes a female housing and a male plug. The plug includes an aperture into which a fluid flows from another component of the cleaning system. The plug includes a premix chamber which receives the fluid from the aperture and into which a gas is injected to form a foam. In an example embodiment, the chamber is a hollow cylinder and the gas is injected into the cylinder through channels which are tangential to the cylinder. The plug also includes a solid cylinder with a continuous helical indentation on the outside of the solid cylinder. When the male plug is inserted into the female housing, the continuous helical indentation and the inner surface of the housing form a helical channel through which the foam flows and is further mixed on its way back into the cleaning system.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: April 24, 2012
    Assignee: Lam Research Corporation
    Inventors: Arnold Kholodenko, Anwar Husain, Gregory A. Tomasch, Cheng-Yu (Sean) Lin
  • Patent number: 8152359
    Abstract: A method for reducing tar fuel viscosity by steam heating, during slurrification in a rotary slurrifier, is described for creating slurries of many small tar particles suspended in a continuous water phase. This heating is done at pressure to avoid evaporation of the water. The tar in water slurry is evaporatively cooled by subsequent depressurization.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: April 10, 2012
    Inventor: Joseph Carl Firey
  • Patent number: 8011392
    Abstract: An object is to prevent thermal fatigue, resulting from variations in temperature interfaces, of piping having a fluid-mixing region where fluids of different temperatures are mixed. Piping 1 having a fluid-mixing region M includes a reducer 5 including an end portion 5e disposed substantially on a central axis of a main pipe 2. Low-temperature water flows through the reducer 5 at a lower velocity than high-temperature water flowing outside the end portion 5e. The low-temperature water and the high-temperature water have different temperatures. The low-temperature water and the high-temperature water are mixed in the fluid-mixing region M downstream of the reducer 5. The reducer 5 has a weld line 5f formed to connect the end portion 5e and an elbow portion 5d together. The distance between the weld line 5f and a downstream end 5a is equal to or larger than the inner diameter D of the main pipe 2.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: September 6, 2011
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Yoshiyuki Kondo, Koichi Tanimoto, Shigeki Suzuki, Yoshikazu Nitta, Toshikatsu Hasunuma
  • Publication number: 20100046322
    Abstract: The present invention relates to methods and apparatus for forming an homogeneous mixture of chromatography media in a vessel. The invention also relates to methods and apparatus for transferring the homogeneous media from the vessel into a second vessel in preparation for packing a chromatography column. The invention can also be used directly to pack the column with homogeneous media.
    Type: Application
    Filed: October 29, 2009
    Publication date: February 25, 2010
    Applicant: GE HEAL THCARE BIO-SCIENCES AB
    Inventors: ROGER NORDBERG, Alan M. Williams
  • Publication number: 20090262598
    Abstract: A mixing device for consistently mixing a primary fluid and at least a secondary fluid includes a primary fluid inlet in fluid communication with a first mixing orifice, and a secondary fluid inlet in fluid communication with a second mixing orifice. A mixing area receives the primary fluid and the secondary fluid via the first and second mixing orifices, respectively. A size of and thus flow through the first and second mixing orifices is variable based on a pressure of the primary fluid and the secondary fluid through the respective mixing orifices.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 22, 2009
    Inventor: David F. Brashears
  • Publication number: 20080298168
    Abstract: A system and methods for maintaining separation between substances such that the substances can be mixed as needed. The substances may be a liquid or a solid and may be edible or non-edible. More specifically, the present invention is directed to a system and methods that include an apparatus including at least two vessels, an additive vessel and a receiving vessel, for maintaining the separation of the substances and facilitating the mixing of the substances as needed.
    Type: Application
    Filed: May 16, 2008
    Publication date: December 4, 2008
    Inventors: Jill Portman, Gary Shinner
  • Patent number: 7325966
    Abstract: A device (1) which includes a dispersing and/or homogenizing tool (2) and a pump (7) located on the same shaft (10), wherein a pumpable material can be fed from a receptacle, especially a container (3) or a pipe, to the dispersing and/or homogenizing tool (2). This material can be mixed in the dispersing and homogenizing tool (2) with an additive, which is led through a feeding line (5) and a region (5a) arranged concentric to the supply line (4) to an opening (6) before the dispersing and homogenizing tool (2). The pump (7) arranged at a distance before the opening (6) and before the dispersing and homogenizing tool (2), and has a pumping pressure in the flow direction, which, in the region of this opening (6), is less than the suctioning pressure of the tool (2).
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: February 5, 2008
    Assignee: IKA-Werke GmbH & Co. KG
    Inventor: Jörg Gassenschmidt
  • Patent number: 7115187
    Abstract: The invention relates to a method for continually producing a suspension of cellulose in an aqueous tertiary amine oxide. The method includes (a) mixing cellulose and an amine oxide-free aqueous phase to form a cellulose suspension in a mass ratio in the range of 1:3 to 1:40, (b) dehydrating the cellulose suspension, wherein the dehydrated cellulose suspension has a cellulose content in the range of 20 to 80 percent-by-mass; (c) mixing the cellulose suspension with an aqueous amine oxide while the cellulose suspension is falling through a vertical fall zone to obtain an aqueous amine oxide-cellulose suspension with an amine oxide content in the range of 70 to 80 percent-by-mass; and (d) conveying the aqueous amine oxide-cellulose suspension through a horizontal shear zone. The invention also relates to a device for carrying out this method.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: October 3, 2006
    Assignee: Alceru Schwarza GmbH
    Inventors: Ralf-Uwe Bauer, MUwe Kind
  • Patent number: 6767007
    Abstract: A direct injection contacting apparatus for contacting a first fluid with a second fluid which facilitates heat and mass transfer operations.
    Type: Grant
    Filed: March 25, 2002
    Date of Patent: July 27, 2004
    Inventor: Homer C. Luman
  • Patent number: 6749330
    Abstract: A powder mixing system and mixer for mixing cement used in cementing oil wells or other similar dry powder mixtures. The mixer is provided with a central recirculation jet and with annularly located alternating recirculation and mix water jets that discharge into the mixing chamber of the mixer in an overlapping fashion to effectively wet dry cement introduced into the mixing chamber. The mix water jets are formed from a set of slots provided both in a rotatable element and from another set of slots provided in a stationary portion so that when the rotatable element rotates, the size of mix water jets is adjusted. Two inlet elbows attach to the inlet of the central recirculation jet to cause the flow from the jet to rotate in a diverging pattern.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: June 15, 2004
    Inventor: Thomas E. Allen