CN114322457A - Overflow liquid guiding distributor for treating low liquid volume - Google Patents
Overflow liquid guiding distributor for treating low liquid volume Download PDFInfo
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- CN114322457A CN114322457A CN202210014859.2A CN202210014859A CN114322457A CN 114322457 A CN114322457 A CN 114322457A CN 202210014859 A CN202210014859 A CN 202210014859A CN 114322457 A CN114322457 A CN 114322457A
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Abstract
An overflow liquid guide distributor for treating low liquid amount comprises a bottom plate and a circle of surrounding cylinder welded at the upper edge of the bottom plate, wherein a plurality of uniformly distributed gas distribution grooves are welded on the bottom plate in the surrounding cylinder, a waist-shaped hole for gas circulation is arranged on each gas distribution groove, a primary groove is welded on the bottom plate at the central position of the surrounding cylinder, the primary groove divides the gas distribution groove on the bottom plate into two working areas, a certain gap is left between the primary groove and the gas distribution groove, the primary groove is formed by welding and enclosing four flat plates which are welded pairwise and the bottom plate, the sawtooth has been seted up respectively on 4 faces in one-level groove, and the welding has the fender liquid board on the gas distribution groove border that is close to one-level groove one side, guarantees the sealed of gas passage, and the round hole has been seted up according to fixed interval to the bottom plate that one-level groove both sides are located between every gas distribution groove, and the welding has highly the same precipitation distribution device in the round hole. The invention has the advantages of simple structure, convenient production, installation and disassembly, long service life and the like.
Description
Technical Field
The invention relates to an overflow liquid guiding distributor for treating low liquid amount, belonging to the field of rectifying towers of air separation devices.
Background
In the field of air separation rectification, a packed tower is widely applied due to the advantages of low energy consumption, large operation flexibility, high separation efficiency, strong production capacity and the like, the advantages and disadvantages of a liquid distributor are an important condition for determining whether the packing can exert the optimal performance under the condition of uniform distribution of liquid, and particularly under the condition of extremely low spray density, the packing efficiency is greatly reduced due to the fact that liquid does not have good initial distribution, so that the yield and the purity of gas are influenced.
Along with explosive development in the fields of domestic electronic manufacturing, integrated circuits, medical treatment, basic scientific research and the like, the demand of the rare gas market is increasing day by day, and as most of rare gases need to be purified from products of an air separation device, the air separation process is unconventional or extremely simplified, and the existing distributor cannot meet the requirement of ensuring 1m while processing large air quantity3/m2Even distribution of liquid at very low spray densities below h.
Disclosure of Invention
The invention aims to overcome the problems and provides the overflow liquid guiding distributor for treating the low liquid amount, which has the advantages of simple structure, convenience in use, long service life and consideration of large-air-amount and low-liquid-amount two-phase distribution.
The purpose of the invention is achieved by the following technical scheme: the overflow liquid guide distributor for treating low liquid amount comprises a bottom plate and a surrounding tube welded at the upper edge of the bottom plate, wherein a plurality of gas distribution grooves which are uniformly distributed are welded on the bottom plate in the surrounding tube, a kidney-shaped hole for gas circulation is formed in each gas distribution groove, a rectangular primary groove is welded on the bottom plate at the central position of the surrounding tube, the primary groove divides the gas distribution grooves on the bottom plate into two working areas which are symmetrical in a left-right equidistant mode, a certain gap is reserved between the primary groove and the gas distribution grooves, the primary groove is formed by welding four flat plates welded in pairs and surrounding mode with the bottom plate, sawteeth are respectively arranged on 4 surfaces of the primary groove, a liquid baffle plate is welded on the boundary of the gas distribution grooves close to one side of the primary groove, the sealing of a gas channel is ensured, round holes are formed in the manner that the bottom plate between every two sides of the primary groove is positioned at the fixed interval, the round holes are internally welded with liquid descending distribution devices with the same height.
Preferably, the method comprises the following steps: the liquid descending distribution device is formed by compounding a liquid descending pipe, a liquid collecting pipe, a liquid guide pipe and a liquid guide filler sheet at intervals of 1/2 positions of the distance between the gas distribution grooves along the transverse and longitudinal equidistant arrays of the axis of the gas distribution groove so as to ensure the uniform and dense distribution of spraying points, the lower end of the liquid descending pipe is welded with the upper surface of the liquid collecting pipe, the liquid guide pipe is welded on the side body of the liquid collecting pipe, and the liquid guide pipe is welded and wrapped at the position close to the end part.
Preferably, the method comprises the following steps: an overflow hole is arranged at the lower position of the middle of the downcomer and faces the same direction as the axial direction of the gas distribution groove; the liquid collecting pipe is formed by welding and compounding a circular pipe and an upper circular plate and a lower circular plate, and the circular plate connected with the downcomer and the circular pipe connected with the liquid guide pipe are respectively provided with a circular hole; the liquid guide pipe is formed by welding and compounding a circular pipe and a circular plate, the circular pipe of the liquid guide pipe is provided with a flow guide hole, and the arranged flow guide hole is positioned at the top after the liquid guide pipe is horizontally arranged; the liquid guide packing sheet is formed by rolling a plurality of pieces of silk screen packing in a laminating manner, and the straight edge of the liquid guide packing sheet is placed downwards when the liquid guide packing sheet is installed.
Preferably, the method comprises the following steps: the height of the surrounding cylinder is 300 mm-500 mm, the distance between the gas distribution grooves is 80 mm-200 mm, and the height of the primary groove is 150 mm-250 m.
Preferably, the method comprises the following steps: the size of the overflow hole is 3.5mm, and the height from the bottom plate is 50 mm.
Preferably, the method comprises the following steps: the liquid guide packing sheet is formed by winding wire mesh packing sheets with the thickness of 0.2mm in a stacking mode, a straight edge section with the thickness of 10mm is reserved when a closed loop is wound, and staggered lines of a wire mesh can play a role in distributing and guiding fluid under low liquid quantity.
The overflow liquid guide distributor for treating low liquid volume has the advantages of simple structure, convenience in use and maintenance, convenience in production, installation and disassembly, long service life, consideration of two-phase distribution of large air volume and low liquid volume and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the present invention cut at 1/4;
FIG. 4 is a schematic structural view of a downcomer distribution apparatus according to the present invention.
Detailed Description
The invention will be described in detail below with reference to the following figures: as shown in fig. 1-4, an overflow liquid guiding distributor for treating low liquid amount comprises a bottom plate 1 and a circle of surrounding tube 2 welded at the upper edge of the bottom plate 1, wherein a plurality of gas distribution grooves 3 uniformly distributed are welded on the bottom plate 1 in the surrounding tube 2, a kidney-shaped hole 4 for gas circulation is arranged on each gas distribution groove 3, a rectangular primary groove 5 is welded on the bottom plate at the central position of the surrounding tube 2, the gas distribution grooves 3 on the bottom plate 1 are divided into two working areas 6 which are symmetrical in a left-right equidistant manner by the primary groove 5, a certain gap 7 is left between the primary groove 5 and the gas distribution grooves 3, the primary groove 5 is formed by welding four flat plates 8 welded in two phases and the bottom plate together, sawteeth 10 are respectively arranged on four surfaces of the primary groove 5, and a liquid baffle plate 11 is welded on the boundary of the gas distribution groove 3 close to one side of the primary groove 5, the sealing of the gas channel is ensured, round holes 12 are arranged on the bottom plate between each gas distribution groove 3 at two sides of the primary groove 5 at fixed intervals, and the liquid descending distribution devices 13 with the same height are welded in the round holes 12.
The liquid descending distribution device 13 is arranged in an equidistant mode along the transverse direction and the longitudinal direction of the axis of the gas distribution groove 3, 1/2 of the distance between the gas distribution grooves 3 is taken at intervals to ensure the uniform and dense distribution of spraying points, the liquid descending distribution device 13 is formed by compounding a liquid descending pipe 14, a liquid collecting pipe 15, a liquid guide pipe 16 and a liquid guide filling sheet 17, the lower end of the liquid descending pipe 14 is welded with the upper surface of the liquid collecting pipe 15, the liquid guide pipe 16 is welded on the body of the side of the liquid collecting pipe 15, and the liquid guide pipe 16 is welded and wrapped on the liquid guide filling sheet 17 close to the end.
An overflow hole 18 is arranged at the lower part of the middle of the downcomer 14, and the direction of the overflow hole 18 is the same as the axial direction of the gas distribution groove 3; the liquid collecting pipe 15 is formed by welding and compounding a circular pipe 19 and an upper circular plate 20 and a lower circular plate 20, and the circular plate 20 connected with the downcomer 14 and the circular pipe 19 connected with the liquid guide pipe 16 are respectively provided with a circular hole 9; the liquid guide tube 16 is formed by welding and compounding a circular tube and a circular plate, the circular tube of the liquid guide tube 16 is provided with a diversion hole 21, and the arranged diversion hole 21 is ensured to be positioned at the top after the liquid guide tube 16 is horizontally arranged; the liquid guide packing sheet 17 is formed by laminating and rolling a plurality of pieces of silk screen packing, and the straight edge of the liquid guide packing sheet 17 is placed downwards when being installed.
The height of the surrounding cylinder 2 is 300 mm-500 mm, the distance between the gas distribution grooves 3 is 80 mm-200 mm, and the height of the primary groove 5 is 150 mm-250 m.
The size of the overflow hole 18 is 3.5mm, and the height from the bottom plate 9 is 50 mm.
The liquid guide packing sheet 17 is formed by winding wire mesh packing sheets with the thickness of 0.2mm in a stacking mode, a straight edge section with the thickness of 10mm is reserved when a closed loop is wound, and staggered lines of a wire mesh can play a role in distributing and guiding fluid under low liquid quantity.
The multi-stage overflow distribution mode of the overflow liquid guide distributor effectively improves the low spray densityThe uniform distribution of liquid can meet the requirement of spraying density of 0.1m3/m2·h～5m3/m2H, preferably 0.1m3/m2·h～1m3/m2H, the requirement of the rectifying packed tower, and the requirement of uniform distribution of gas under large gas flow, wherein the gas flow to be treated can reach the kinetic energy factor of the gas flow
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention.
Claims (6)
1. The utility model provides a handle overflow drainage distributor of low liquid measure, it includes bottom plate and the surrounding cylinder of welding in bottom plate top edge round, its characterized in that: the welding has a plurality of gas distribution grooves of evenly arranging on the bottom plate in the surrounding tube, all is equipped with the waist shape hole that is used for the gas circulation on every gas distribution groove, the welding has a rectangular one-level groove on the bottom plate that the central point of surrounding tube put, and this one-level groove falls into the workspace of controlling two equidistance symmetries with the gas distribution groove on the bottom plate to leave certain clearance between one-level groove and gas distribution groove, this one-level groove is enclosed by two liang of flat board and the bottom plate welding that weld of four mutually and forms, has seted up the sawtooth respectively on 4 faces in one-level groove, and has the fender liquid board in the gas distribution groove border that is close to one-level groove one side welding, guarantees gas passage's sealed, the bottom plate that one-level groove both sides are located between every gas distribution groove has seted up the round hole according to fixed interval, has welded the same liquid distribution device that falls in the round hole.
2. The overflow distributor of claim 1, wherein: the liquid descending distribution device is formed by compounding a liquid descending pipe, a liquid collecting pipe, a liquid guide pipe and a liquid guide filler sheet at intervals of 1/2 positions of the distance between the gas distribution grooves along the transverse and longitudinal equidistant arrays of the axis of the gas distribution groove so as to ensure the uniform and dense distribution of spraying points, the lower end of the liquid descending pipe is welded with the upper surface of the liquid collecting pipe, the liquid guide pipe is welded on the side body of the liquid collecting pipe, and the liquid guide pipe is welded and wrapped at the position close to the end part.
3. The overflow distributor for handling low liquid volume as set forth in claim 2, wherein: an overflow hole is arranged at the lower position of the middle of the downcomer and faces the same direction as the axial direction of the gas distribution groove; the liquid collecting pipe is formed by welding and compounding a circular pipe and an upper circular plate and a lower circular plate, and the circular plate connected with the downcomer and the circular pipe connected with the liquid guide pipe are respectively provided with a circular hole; the liquid guide pipe is formed by welding and compounding a circular pipe and a circular plate, the circular pipe of the liquid guide pipe is provided with a flow guide hole, and the arranged flow guide hole is positioned at the top after the liquid guide pipe is horizontally arranged; the liquid guide packing sheet is formed by rolling a plurality of pieces of silk screen packing in a laminating manner, and the straight edge of the liquid guide packing sheet is placed downwards when the liquid guide packing sheet is installed.
4. The overflow distributor for handling low liquid volume as set forth in claim 1, wherein: the height of the surrounding cylinder is 300 mm-500 mm, the distance between the gas distribution grooves is 80 mm-200 mm, and the height of the primary groove is 150 mm-250 m.
5. The overflow distributor for handling low liquid volume as set forth in claim 2, wherein: the size of the overflow hole is 3.5mm, and the height from the bottom plate is 50 mm.
6. The overflow distributor for handling low liquid volume as set forth in claim 2, wherein: the liquid guide packing sheet is formed by winding wire mesh packing sheets with the thickness of 0.2mm in a stacking mode, a straight edge section with the thickness of 10mm is reserved when a closed loop is wound, and staggered lines of a wire mesh can play a role in distributing and guiding fluid under low liquid quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014859.2A CN114322457B (en) | 2022-01-07 | 2022-01-07 | Overflow liquid guide distributor for treating low liquid amount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210014859.2A CN114322457B (en) | 2022-01-07 | 2022-01-07 | Overflow liquid guide distributor for treating low liquid amount |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114322457A true CN114322457A (en) | 2022-04-12 |
| CN114322457B CN114322457B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210014859.2A Active CN114322457B (en) | 2022-01-07 | 2022-01-07 | Overflow liquid guide distributor for treating low liquid amount |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10137531A (en) * | 1996-11-14 | 1998-05-26 | Nippon Sanso Kk | Liquid collecting and distributing device for packed tower |
| CN103111180A (en) * | 2013-03-18 | 2013-05-22 | 天津天大天久科技股份有限公司 | Liquid collecting and gas distributing device for large-scale flue gas desulfurization tower |
| CN204107514U (en) * | 2014-10-27 | 2015-01-21 | 天津科林泰克科技有限公司 | A kind of Box-type Gas-liquid Distributor |
| CN204933481U (en) * | 2015-08-21 | 2016-01-06 | 天津科林泰克科技有限公司 | A kind of band is from the liquid distribution trough of distributed architecture |
| CN107485879A (en) * | 2017-09-22 | 2017-12-19 | 杭州杭氧股份有限公司 | A kind of Mobyneb filler tower internals |
| US20190099712A1 (en) * | 2016-12-01 | 2019-04-04 | Zhejiang University | Square packed tower for capturing flue gas carbon dioxide |
-
2022
- 2022-01-07 CN CN202210014859.2A patent/CN114322457B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10137531A (en) * | 1996-11-14 | 1998-05-26 | Nippon Sanso Kk | Liquid collecting and distributing device for packed tower |
| CN103111180A (en) * | 2013-03-18 | 2013-05-22 | 天津天大天久科技股份有限公司 | Liquid collecting and gas distributing device for large-scale flue gas desulfurization tower |
| CN204107514U (en) * | 2014-10-27 | 2015-01-21 | 天津科林泰克科技有限公司 | A kind of Box-type Gas-liquid Distributor |
| CN204933481U (en) * | 2015-08-21 | 2016-01-06 | 天津科林泰克科技有限公司 | A kind of band is from the liquid distribution trough of distributed architecture |
| US20190099712A1 (en) * | 2016-12-01 | 2019-04-04 | Zhejiang University | Square packed tower for capturing flue gas carbon dioxide |
| CN107485879A (en) * | 2017-09-22 | 2017-12-19 | 杭州杭氧股份有限公司 | A kind of Mobyneb filler tower internals |
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| CN114322457B (en) | 2023-08-22 |
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Address after: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Applicant after: Hang Yang Group Co.,Ltd. Address before: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou oxygen generator group Co.,Ltd. |
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