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Document Title |
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8158073 |
Mass exchange contact device
A mass-exchange contact device is proposed, comprising an upper tray, contact element including a barbotage unit configured as an inner cap with strips tangently bent out, a lower tray, a casing...
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8066264 |
Contact tray for a mass transfer column
The valve cover has a pair of tabs at the ends that are inserted into end sections of an orifice in the tray deck. The tabs of the valve cover abut against the underside of the tray deck while a...
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8006716 |
Parent-subsidiary guide float valve
A floating valve providing a parent-and-subsidiary flow-guided floating valve of low pressure drop, high throughput and highly flexible operation maintaining high efficiency within a wide range of...
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7931871 |
Inner tray for a chamber
The invention concerns an inner tray, arranged inside a chamber, comprising a plurality of parallel beams (1), located in a common horizontal plane and fixed through their ends to the wall of the...
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7909966 |
Apparatus for catalytic distillation processes
The invention disclosed relates to catalytic distillation column internals providing improved liquid reaction mixture and catalyst contacting for simultaneous catalytic reaction and separation of...
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7770873 |
Tray apparatus, column with same and method of assembling and using
A vapor-liquid contact tray apparatus having a tray with a fluid infeed section and a fluid travel section together with downcomer which is in fluid communication with the fluid travel section of...
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7718138 |
Device for introducing gas into a fluidised bed and a process therefor
The present invention relates to a device and a process for introducing gas into a fluidised bed reactor having at least one gas inlet pipe (2, 3) located underneath and/or above the fluidised bed...
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7708258 |
Tray for a mass exchange column
The tray has an infusion field of infusion tab valves adjacent the inlet to dissipate the momentum of the liquid flowing across said infusion field. Each valve includes a vertically upstanding wall...
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7695593 |
Helical fractionating column
The helical fractionating column according to the invention falls into the field of oil separation apparatus for the petroleum refining industry, which includes a column body (8), and is...
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7687041 |
Apparatus and methods for urea production
Apparatus and methods for producing urea are provided. In one or more embodiments, an apparatus for producing urea can include a first zone, which can include a first flow channel in fluid...
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7648128 |
Gas-liquid contact apparatus
An apparatus is provided for improved gas/liquid contact in a chemical process tower, resulting in better performance. The apparatus includes a tower having a series of tray decks and downcomers....
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7624972 |
Valve configuration that increases the capacity and improves the performance of cross-flow trays used in fractionation units of chemical, petrochemical and oil refining process plants
A mass or heat transfer device is provided in the form of a tray with at least one movable or fixed valve covering an opening to prevent liquid flowing in the design flow direction to pass through...
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7608225 |
Tower reactor and use thereof for the continuous production of high molecular weight polyesters
The invention relates to a tower reactor and the use thereof for producing high-molecular weight polyesters, such as e.g. polyethylene terephthalate (PET), polybutylene terephthalate (PBT),...
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7540476 |
Valve for a contact tray
The valve for a contract tray employs an aperture in a deck that is of rectangular or trapezoidal shape with upstanding walls at the sides of the aperture. The valve body is disposed in the...
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7540477 |
Tray valve for a tray column
The tray valve for a tray column includes an opening in a tray for a vapor passage and a valve body that is made to match the tray opening. The valve body consists of a top plate and vertically...
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7521029 |
Shell-and-tube type reactor for carrying out catalytic gaseous phase reactions and a procedure for operating the same
The invention relates to a tubular reactor for carrying out catalytic gas-phase reactions, containing a catalyst tube bundle (8) that is traversed by the relevant reaction gas mixture, is filled...
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7282118 |
Method for production of easily polymerizable substance and purification apparatus
This invention resides in providing a method for the prevention of possible polymerization of the easily polymerizable substance during the purification thereof by a column provided with (a) at...
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6846348 |
Compressor/drier system and absorber therefor
A system for delivering dry compressed gas is provided, the gas being separated from any entrained liquid lubricant and then passed through a moisture absorber column to interact with a...
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6799752 |
Method and apparatus for improving a fractionation process
A method and apparatus for increasing fractionation capacity and efficiency within an existing distillation column having preexisting mass transfer surface structures with a multiplicity of...
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6588735 |
Gas-liquid tray
This invention relates to a gas-liquid contact tray having a bubble area and a downcomer having a downcomer opening, in which a self-draining vent tube is present in the downcomer and fluidly...
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6485613 |
Batch-continuous countercurrent mass transfer process
Mass transfer process, in which, in at least two contact stages, and at least two liquid or gaseous phases are brought into contact with one another, at least one component being transferred...
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6422539 |
Tray attachment apparatus
An apparatus for connecting adjacent tray panel of a fractionation tray within a distillation column tower for the separation between a vapor and liquid is provided. A first interlocking panel has...
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6270062 |
Fluids contacting, tray opening, fluid dispersing assembly
A fluids contacting and dispersing apparatus for a fluids contacting column is provided comprising a perforated cover plate, means for positioning the cover plate over a tray opening and securing...
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6214174 |
Purifier and purifying method for polymerizable organic compounds
A distillation column is arranged so that a liquid hole which allows liquid containing a polymerizable organic compound to flow from on a tray supporting member downward is formed in a part of the...
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6193222 |
Gas-liquid contact tray and method
A gas-liquid contact tray having a substantially planar deck, a plurality of apertures extending through the deck, and a plurality of valve covers disposed over the apertures. The deck has an upper...
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6189872 |
Froth activator apparatus and method
The present invention provides an apparatus for use in the contact between a vapor and a liquid. In one embodiment, a column is provided having a generally vertical shell. A plurality of vertically...
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6053485 |
Apparatus for tray valve attachment
An apparatus and method for attaching a dispersion valve to a fractionation tray surface. The valve is inserted into a fractionation tray perforation. At least two legs extend downward from a cover...
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5948211 |
Distillation column downcomer having liquid permeable wall
A downcomer having a screened or otherwise liquid permeable wall is provided for use in a mass transfer or distillation column. The liquid permeable wall provides another avenue for liquid to be...
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5911922 |
Mass transfer device
A mass transfer device is provided in the form of a tray having moveable valves which includes perforations spanned by bridge members shaped to divert liquid flowing in the design flow direction...
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5632935 |
Vapor-liquid contact tray and downcomer assembly and method employing same
A vapor-liquid contact tray and downcomer assembly is provided with ramps which serve to impart a horizontal directional flow to the liquid exiting the downcomer and/or the vapor passing through...
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5547617 |
Apparatus for increasing effective active area
A downcomer-tray assembly for vapor liquid contact towers with enlarged effective active areas. The downcomers are constructed with support baffles enabling intermediate areas of the downcomer-tray...
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5453222 |
Contact tray apparatus and method
A downcomer tray assembly for vapor liquid contact towers. The downcomer is formed with generally semi-conical walls forming a vapor tunnel relative to the discharge region therebeneath. The...
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5360583 |
High capacity tray for gas-liquid contact apparatus
In a crossflow gas-liquid contact tower, liquid moves horizontally across a plurality of vertically spaced trays, and downwardly from tray-to-tray while gas flows up through openings in the trays...
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5308451 |
Fractionation tray for catalytic distillation
A device for use in a fractional distillation column or a column used to perform catalytic distillation. One or more of the downcomers of a multiple downcomer type fractionation tray is employed as...
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5120474 |
Valve-tray assembly
A valve-tray assembly for vapor liquid contact towers. The active area of the tray beneath an upper downcomer is constructed with directional thrust valves facilitating oriented vapor flow...
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4874583 |
Bubble cap assembly in an ebullated bed reactor
A bubble cap assembly and distributor plate is revealed uniquely suited for a reactor in an ebullated bed process. In the riser of the bubble cap assembly a ball check valve is mounted on a valve...
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4620952 |
Gas liquid contact tray and method
A gas liquid contact tray and method of using the tray and columns containing the tray, which gas liquid contact tray is characterized by high tray efficiency and capacity and a wide turndown...
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4557875 |
Phase-contacting plate for a phase-contacting column
Phase-contacting plates are defined by a plurality of pivotable flow-blocking members arranged in alternating rows in which the respective blocking members thereof pivot in opposite direction to...
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4511435 |
Non-flooding distilling column
A Snyder-type distilling column having improved floating ball vapor valves. When used in a standard Snyder-type column, the valve comprises a spherical upper portion and a downwardly extending...
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4382901 |
Mass transfer equipment
Mass transfer equipment comprises a base (3) having at least one riser (1) with inwardly elongated sloping sides and a moveable valve cap (2) positioned above the riser (1), having outwardly and...
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4344900 |
Fractionator tray valve
A movable valve body or fractionator tray bubble cap or element is equipped with downwardly extending legs or members dependent therefrom so shaped and arranged as to present and place in...
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4311564 |
Distillation process and apparatus for a barge-mounted plant
A distillation tray is described which is suitable for use in a distillation column of a barge-mounted plant. This distillation tray is provided with a plurality of cup-like cavities, each cavity...
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4290981 |
Exchanger element for bottoms in material exchanger columns
Exchanger element for the bottoms of an exchanger column comprising a cylinder having grid openings in the side wall, a fixed cover plate at the top of the cylinder for deflecting gas and a movable...
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4225541 |
Contact tray for mass and heat exchange apparatus
The invention relates to contact trays with a self adjusting free section for rectification and absorption tray columns in gas (steam)-fluid systems operating in a wide range of gas (steam) loads....
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4201626 |
Liquid-liquid contacting apparatus
An apparatus for performing liquid-liquid contacting operations, such as the extraction of mercaptans from hydrocarbons. The apparatus comprises a metal sphere which is retained in position above a...
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4133852 |
Hinged pressure relief tray
A hinged tray, preferably for use in fractionation towers, capable of relieving small but sudden pressure surges caused by the flashing of relatively small amounts of water remaining in the tower...
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4118446 |
Valve tray for mass-exchange apparatus
The valve tray for mass-exchange apparatus is essentially a baseplate with holes for the gas stream to pass, which holes are adapted to be shut up with valves. The valves have a seating plate...
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4098579 |
Installation for conducting a synthesis reaction of urea
Apparatus for synthesis of urea comprising a reaction vessel divided into a number of adjacent reaction zones by means of overflow-preventing plates with moving elements that are non-return valves.
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4004609 |
Material transmitting element for contacting streaming media of different phases or the same phase
A fluid transmitting element, particularly for increasing vapor-liquid contact, comprises a continuously open element which is resiliently deformable to open still farther under the pressure of a...
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3940462 |
Bubble tray and cap assembly for fluid contact apparatus
A tray member for a fluid contact apparatus has elongated slots. An elongated cap covers either a single slot or two or more aligned slots. Each cap has opposite lengthwise extending side portions...
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