| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 261114100 | Overflow baffles | 31 |
| 20090189301 | DOWNCOMER DISTRIBUTOR - A tray assembly is provided for improved gas/liquid contact when used in a large chemical process tower. Each tray has a downcomer wall of which the lower portion is a distributor. The distributor has discharge ports sized to control the rate of liquid flow at different positions across the distributor and flanges aligned individually to direct liquid flow from different discharge ports across different areas of the tray deck immediately below the downcomer. In combination, discharge ports and liquid flow directing flanges effect even liquid flow across the surface of the tray immediately below. Benefits of this invention are trays with better mass transfer efficiency and enhanced capacity compared with prior art trays. | 07-30-2009 |
| 20090315196 | DEVICE FOR GAS-LIQUID CONTACTING - One exemplary embodiment can be a device for a gas-liquid contacting apparatus. The gas-liquid contacting apparatus can include a member. The member can include:
| 12-24-2009 |
| 20100244290 | FLUID DISTRIBUTION TO PARALLEL FLOW VAPOR-LIQUID CONTACTING TRAYS - Fluid distribution systems, and particularly those for distributing liquids into apparatuses containing parallel flow trays for carrying out vapor-liquid contacting, are described. Representative fluid distribution systems comprise one or more extended troughs having a plurality of outlet spouts that are aligned for distribution to a vapor-liquid contacting deck zones of a parallel flow stage. The trough(s) may be orthogonal to liquid distribution pans which are in alignment with outlet spouts (e.g., in discrete outlet spout zones) of the trough(s). | 09-30-2010 |
| 20120181713 | Fluid Inlet and Distribution System for Volatile Organic Compound Removal Device - A fluid inlet and distribution system for a volatile organic removal device includes a cabinet having an upper wall and multiple downcomer assemblies positioned within the cabinet accessible through a cabinet access. The multiple downcomer assemblies are divisible into first and second cabinet compartments isolated from each other by a dividing wall. A flow distribution duct assembly connected to the upper wall of the cabinet includes upper, bottom, outward facing and inward facing substantially flat containment walls defining a generally rectangular shaped flow passage. A contaminated fluid inlet is connected to one of the upper, inward facing, or outward facing containment walls. A discharge duct connected to the bottom containment wall is positioned above a receiving chamber operating to equally divide a flow of a contaminated fluid containing a volatile organic compound discharged through the discharge duct equally to the first and second cabinet compartments. | 07-19-2012 |
| 20120256331 | COLUMN WITH CARRYING DEVICES FOR COLUMN INTERNALS - The invention relates to a column ( | 10-11-2012 |
| 20120292791 | USE OF DOWNCOMER BEAM TO SUPPORT ADJACENT CROSS FLOW TRAYS WITHIN A MASS TRANSFER COLUMN AND PROCESS INVOLVING SAME - Cross flow trays in a mass transfer column are provided with downcomers having one or more walls that extend from a tray deck of one the cross flow trays to an elevation below a tray deck of an underlying one of the cross flow trays. The downcomer walls are connected to and provide structural support for the tray decks of the cross flow trays. | 11-22-2012 |
| 20130015594 | Splashguard For High Flow Vacuum Bubbler Vessel - The present invention is a container having a diptube inlet, at least one baffle disc positioned between the outlet of the diptube and the outlet of the container to provide a narrow annular space between the baffle disc and the sidewall of the container to prevent liquid droplets from entering the outlet to the container and the inner surface of the container sidewall and an annular, radially inward projecting deflector ledge on the sidewall, proximate the baffle disc. The present invention is also a process of delivering a chemical precursor from a container having the above structure. Liquid and vapor delivery are both contemplated. | 01-17-2013 |
| 20130062792 | CO-CURRENT VAPOR-LIQUID CONTACTING APPARATUSES FOR OFFSHORE PROCESSES - An offshore co-current vapor-liquid contacting apparatus includes stages having contacting modules. Each contacting module includes a downcomer extending in a direction and has downcomer baffles distanced from each other in the direction to define downcomer cells within the downcomer. Each downcomer includes an outlet proximate to a co-current flow channel. A receiving pan extends substantially parallel to the downcomer and has receiving pan baffles distanced from each other in the direction to define receiving pan sections within the receiving pan. A vapor-liquid separation device has an inlet surface proximate to the co-current flow channel and an outlet surface above the receiving pan. Ducts are provided, with each duct having an upper end in fluid communication with a respective receiving pan section and a lower end in fluid communication with a selected downcomer cell in an immediately inferior stage. | 03-14-2013 |
| 20130140722 | DISTILLATION COLUMN HAVING ENLARGED DOWNCOMERS AND METHOD OF DOWNCOMER ENLARGEMENT - A distillation column is provided with a downcomer having an enlarged upper region to increase a processing rate for the removal of permanganate reducing compounds (PRCs) formed by the carbonylation of methanol in the presence of a catalyst to produce acetic acid. The distillation column includes a vertically extending distillation housing; and a plurality of tray assemblies, at least one of which includes a horizontally extending tray panel and a downcomer having, in a downward direction, an enlarged, funnel-shaped upper region defined by a top downcomer panel oriented at an angle to the vertical, and a lower region of substantially constant cross-sectional area defined by a vertically-oriented bottom downcomer panel. | 06-06-2013 |
| 20130256925 | CASCADE AERATOR ASSEMBLY - An improved cascade aerator is disclosed, comprising a trough having a low profile slope, whereby the trough is divided into a plurality of adjacent longitudinal channels. In one embodiment, a plurality of low head baffles are mounted in spaced relationship and transversely of the longitudinal channels and are spaced apart from the floor of the trough. | 10-03-2013 |
| 20140252665 | DISTURBING DEVICE OF OXYGENATED WATER MACHINE - A disturbing device of an oxygenated water machine includes a frame, two wing board, and a separating board. The wing boards are connected to an inner side of the frame, and slope downward. A gap is formed between the wing boards. Each wing board is provided with several ribs on a bottom sides. The separating board is connected to the inner side of the frame and is right under the gap. Therefore, water falls down from the wing board and onto the separating board, and oxygen goes up in a S path from a bottom edge of the frame. It is helpful to the dissolution of oxygen to obtain high oxygenated water. | 09-11-2014 |
| 20140312515 | LOW PROFILE CASCADE AERATOR - A cascade aerator comprising a plurality of longitudinal channels that receive a fluid therethrough. The longitudinal channels are in fluid communication with a plurality of flow control gates, such that a first number of flow control gates are in fluid communication with a first longitudinal channel and a second number of flow control gates are in fluid communication with a second longitudinal channel. The first number of flow control gates may define a crest height that is lower, along a vertical direction, than a crest height defined by the second number of flow control gates. The flow control gates may define a crest length proximate a crest of the flow control gate and a nappe length defined proximate a first height above the crest. The nappe length may be greater than the crest length. The aerator may have a plurality of low head baffles. | 10-23-2014 |
| 261114200 | Bubble caps | 2 |
| 20150321153 | FLUIDIZING NOZZLE OR BUBBLE CAP ASSEMBLY FOR AIR DISTRIBUTION GRID - A bubble cap assembly for an air distribution grid includes a stem having a top region and a bottom region, a bubble cap connected to the top region of the stem, a membrane having an opening, the bottom region of the stem communicating with the opening; a flange connected to the bottom region of the stem; at least one clamp for pressing the flange against the membrane, and a gasket squeezed between the flange and the membrane by the clamp to provide an air-tight connection between the flange and the membrane. | 11-12-2015 |
| 20160175734 | DISTRIBUTOR TRAY FOR HEAT AND/OR MATERIAL EXCHANGE COLUMNCOMPRISING BUBBLING MEANS | 06-23-2016 |
| 261114300 | Jet plates | 1 |
| 20090115079 | 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 the opening. | 05-07-2009 |
| 261114400 | Valve tray | 6 |
| 20090134533 | 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 pair of sloped portions of the valve cover rest on the top side of the tray deck in order to hold the valve cover in place. | 05-28-2009 |
| 20090200690 | Mass Transfer Device - A mass-exchange contact device is proposed, comprising: upper and lower flat ring-shaped trays outwardly attached to a column, a sleeve including sidewalls attached to the trays and having windows made therein with bottom edges in the plane of the lower tray, a barbotage unit connected to the top of sleeve and having orifices in its sidewalls, a movable double-acting valve including two upper and lower plates attached to a rod axially disposed therebetween. The top of barbotage unit includes an ascending limiter of valve's movement, the bottom of sleeve includes a descending limiter of the valve's movement. In some embodiments, the barbotage unit is made as a portion of the sleeve. The height of windows preferably is equal to the height of valve. The proposed design significantly improves device operation for a cyclic mode, reliability, durability, reduces its weight and cost, extends its operational range for steam and liquid loads. | 08-13-2009 |
| 20110278744 | Contact tray for a mass transfer column - The valve cover has a guide vane extending laterally and downwardly from the central portion towards and in spaced relation to the tray deck for deflecting a majority of the vapor passing upwardly through an orifice downward towards the tray deck. A de-entrainment device with a downwardly angled deflector in vertical alignment with an orifice in the tray deck may be integrated or not with the valve cover below the tray deck. | 11-17-2011 |
| 20110278745 | Contact tray for a mass transfer column - The valve cover has a guide vane extending laterally and downwardly from the central portion towards and in spaced relation to the tray deck for deflecting a majority of the vapor passing upwardly through an orifice downward towards the tray deck. A de-entrainment device with a downwardly angled deflector in vertical alignment with an orifice in the tray deck may be integrated or not with the valve cover below the tray deck. | 11-17-2011 |
| 20130099402 | VALVE TRAY - The present invention relates to a valve tray for mass transfer columns having a base plate, at least one liquid intake and at least one liquid outlet for forming a liquid flow having a direction of flow on the base plate, a plurality of gas entry orifices formed in the base plate and also a plurality of fixed valves covering the gas entry orifices, which fixed valves are formed in one piece with the base plate and in each case include a valve roof at a distance to the base plate and also a valve rear side and a valve front side, wherein between the base plate, the valve rear side, the valve front side and the valve roof of each fixed valve, at least one side gas outlet orifice is formed in each case. The side gas outlet orifices of the fixed valves can taper in the direction of flow of the liquid flow. | 04-25-2013 |
| 20140361451 | FLUID DISPERSION UNIT WITH DIRECTIONAL COMPONENT VECTOR - A valve-tray assembly and method for lighter fluid heavier fluid contact towers. The active area of the tray is constructed with valves having multiple lighter fluid discharge areas facilitating improved mass transfer efficiency. The valves include first and second support legs oriented in line with the heavier fluid flow with both legs and the valve top constructed with apertures wherein the heavier fluid may flow into engagement with the lighter fluid passing from beneath the tray up, through and out of the valve. | 12-11-2014 |
| 261114500 | Tray construction | 10 |
| 20090174091 | VAPOUR-LIQUID DISTRIBUTION DEVICE - A liquid-vapour distribution device for use in two-phase stream concurrent down-flow vessels comprising:
| 07-09-2009 |
| 20090256270 | Multiple downcorner tray - A multiple downcomer tray for a mass transfer column comprises a mass transfer area and a plurality of downcomers for collecting and discharging a fluid from the tray. Each downcomer is shaped as a channel with an end wall attachable to an extension element. A downcomer and extension element together extends across the column and supports the panels of the mass transfer area. | 10-15-2009 |
| 20100013111 | DOWNCOMER FOR A GAS-LIQUID CONTACTING DEVICE - One exemplary embodiment can be a downcomer for a gas-liquid contacting device. The downcomer may include first and second spaced apart side walls, first and second end walls, a floor, and first and second opposing discharge walls. Generally, each end wall is coupled to a respective end of the first and second side walls. Typically, the floor is coupled to the side walls and end walls, and the floor has at least one section adapted for permitting the passage of liquid there-through. The first and second opposing discharge walls can be coupled to respective first and second side walls and having respective ends below the floor. | 01-21-2010 |
| 20110272830 | DOWNCOMERS FOR MASS TRANSFER COLUMN - The present disclosure is directed to an improved mass-transfer column, the column comprising a plurality of trays and associated downcomers, wherein at least one of the downcomers comprises an upstream and downstream end, as defined by the direction of flow of liquid through the column, the upstream and downstream end each having an opening defined by a plurality of walls, wherein each of the walls extend substantially entirely between the upstream opening and the downstream opening, and wherein at least one of the walls has at least two sections, a first section of the wall forming an angle α with a plane parallel to the associated tray, and a second section of the wall, which forms an angle β with a plane parallel to the associated tray, wherein said second section is downstream from the first section, and α<β. | 11-10-2011 |
| 20110285039 | DOWNCOMER FOR A GAS-LIQUID CONTACTING DEVICE - One exemplary embodiment can be a downcomer for a gas-liquid contacting device. The downcomer may include first and second spaced apart side walls, first and second end walls, a floor, and first and second opposing discharge walls. Generally, each end wall is coupled to a respective end of the first and second side walls. Typically, the floor is coupled to the side walls and end walls, and the floor has at least one section adapted for permitting the passage of liquid there-through. The first and second opposing discharge walls can be coupled to respective first and second side walls and having respective ends below the floor. | 11-24-2011 |
| 20130062793 | CONTACT TRAY FOR A MASS TRANSFER COLUMN - The valve cover has a guide vane extending laterally and downwardly from the central portion towards and in spaced relation to the tray deck for deflecting a majority of the vapor passing upwardly through an orifice downward towards the tray deck. A de-entrainment device with a downwardly angled deflector in vertical alignment with an orifice in the tray deck may be integrated or not with the valve cover below the tray deck. | 03-14-2013 |
| 20130234348 | CROSS FLOW TRAY AND SUPPORT SYSTEM FOR USE IN A MASS TRANSFER COLUMN - Cross flow trays are provided with a support system. The support system interconnects the upper cross flow tray to a downcomer of the lower cross flow tray to provide support for the upper tray. In some aspects, the support system may also interconnect the downcomer of the lower cross flow tray to an upper tray of an underlying pair, providing additional support for the assembly. Such tray assemblies may facilitate easier installation without impeding the performance of the column. | 09-12-2013 |
| 20130277869 | DISTRIBUTOR TRAY FOR OFFSHORE GAS/LIQUID CONTACT COLUMN - The invention is a distributor tray for a column ( | 10-24-2013 |
| 20150041998 | SEPARATOR - A separator comprising a vessel, a tray assembly positioned within the vessel, and a wall structure arranged to accumulate a first liquid and a second liquid. A first automatic drain valve is operable to automatically allow liquid accumulated above a first liquid outlet to pass from the vessel in such a way as to maintain a volume of the first liquid above the first automatic drain valve to create a liquid seal over the first automatic drain valve, and a second automatic drain valve is operable to automatically allow liquid accumulated above the level of an open upper end of the wall structure to pass from the vessel in such a way as to maintain a volume of the second liquid above the second automatic drain valve to create a liquid seal over the second automatic drain valve. | 02-12-2015 |
| 20160107099 | DISTRIBUTOR TRAY FOR GAS/LIQUID CONTACT COLUMN WITH SECONDARY DISTRIBUTION SYSTEM - The invention is a distributor tray ( | 04-21-2016 |
