CN102698455B - Hexagonal floating valve and method for controlling steam-liquid exchange of tower plate - Google Patents
Hexagonal floating valve and method for controlling steam-liquid exchange of tower plate Download PDFInfo
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- CN102698455B CN102698455B CN201210184717.7A CN201210184717A CN102698455B CN 102698455 B CN102698455 B CN 102698455B CN 201210184717 A CN201210184717 A CN 201210184717A CN 102698455 B CN102698455 B CN 102698455B
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- 239000007788 liquid Substances 0.000 title claims abstract description 47
- 238000007667 floating Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 12
- 238000005452 bending Methods 0.000 claims description 11
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 10
- 230000001413 cellular effect Effects 0.000 claims description 3
- 241001468679 Citharichthys Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention discloses a hexagonal floating valve, comprising an orthohexagonal top surface, wherein three edges of the orthohexagonal top surface, which are arranged at intervals, are respectively provided with three piece-shaped supporting feet, and the other three surfaces are provided with corners which are 3mm in width and are bent downwards by 10 degrees; a small supporting foot which is 4mm in length and 5mm in width and is bent downwards by a 27-degree angle; and three side ventilating holes are formed by the three piece-shaped supporting feet and three edges with the corners. Folding edges for floating the floating valve upwards and downwards and limiting the floating valve on a tower plate are arranged at the bottom parts of the piece-shaped supporting feet, wherein one piece-shaped supporting foot is provided with a supporting foot hole. The hexagonal floating valve disclosed by the invention has the advantages that the maximum aperture ratio of a tower body can reach 20%; after the floating valve is opened, and three whiffs of air flow push liquid flow to move forwards along the flowing direction of liquid, so that the forward-moving power of liquid is enhanced, the liquid level is more stable, the air distribution is uniform, and the efficiency of the tower plate is improved and can be improved by 20%; and the aperture ratio of unit area of the tower plate of a plate-type tower is increased and the treatment capability of the plate-type tower is improved.
Description
[technical field]
The present invention relates to the tower accessory in oil refining, petrochemical industry, particularly the method for the float valve in tower and the exchange of control column plate vapour-liquid thereof.
[background technology]
In departments such as oil refining, petrochemical industry, fine chemistry industry, food, medicine and environmental protection, tower all belongs to the significant element equipment having a large capacity and a wide range, and its cost generally accounts for 20% left and right of total investment, and some is even up to 50%.Tower is widely used in the unit operations such as distillation, absorption, extraction, washing, heat transfer according to the version of tower inside gas-liquid contact part, tower can be divided into two classes: plate column and packed tower, in prior art, the most frequently used rectifiying plate is valve plate.Valve plate has many advantages: production capacity is large, operating flexibility is large, plate efficiency is high, but the percent opening of float valve efficiency and column plate is a bottleneck of the higher development of plate column.
Float valve is as the important structure parts in tower, major function is to play the effect of transmitting medium, increase the effective area of gas communication, improve percent opening, allow the contact surface area of air-flow and liquid increase, thereby improve its disposal ability, some float valve exists the diameter of valve opening large, the gas channel sectional area that flows out single valve opening is large, and table body specific area is little, therefore mass-transfer performance is poor.
[summary of the invention]
The present invention is directed to above problem and proposed a kind of hexagon float valve that increases open ratio of plate, improves single float valve efficiency, and proposed a kind ofly with described hexagon float valve, to control the method that column plate carries out vapour-liquid exchange for the ad hoc structure of described hexagon float valve.
Technical scheme of the present invention is: a kind of hexagon float valve, it is characterized in that, comprise an orthohexagonal end face, three limits in the space of described regular hexagon end face, be respectively equipped with three tab-like leg, there is the bending at wide, the downward curved 10 ° of angles of 3mm at its excess-three face edge, in the middle of described each bending, has 4mm long, the little leg at wide, the downward curved 27 ° of angles of 5mm; Three tab-like leg and three edges with bending form three side direction passages.In the bottom of described tab-like leg, have and float float valve is upper and lower, be limited to the flanging of column plate, on one of them sheet leg, there is a leg holes.
The side direction breathing area of described hexagon float valve comprises side direction passage area and leg holes area.
Spacing area sum between every two hexagon float valves, is greater than the side direction breathing area of twice.
Described flanging extends into both sides respectively and can make hexagon float valve still can not depart from two parts of column plate upper and lower the floating of column plate in foot bottom portion.
Described regular hexagon end face, leg and flanging, be to manufacture by punch process, becomes a globality member.
A kind of method of using described hexagon float valve to control the exchange of column plate gas-liquid, it is characterized in that, hexagon float valve is arranged in cellular on column plate, the leg of a corresponding adjacent float valve of side direction passage, guaranteed monoblock column plate gas-liquid exchange evenly, without dead angle.
Wherein have the leg of leg holes, be arranged in the downstream along liquid flow path direction, the airflow direction of two side direction passages that it is adjacent becomes 60 ° of angles with liquid flow path direction, promoting liquid flows to downflow weir direction, the air-flow of leg holes stops, the air-flow of a side direction passage of adjacent float valve, to guarantee that liquid can not flow to the opposite direction of liquid stream.Guaranteed that liquid, to the mobile motive force of downflow weir direction, has reduced the liquid level drop of tower tray, distribution of gas is more even, has improved the efficiency of the mass-and heat-transfer of tower tray.
The invention has the beneficial effects as follows: hexagon float valve of the present invention, the maximum percent opening of tower body can reach 20%, after float valve is opened, having three strands of air-flows to promote liquid stream along liquid flow direction advances, the power that liquid stream advances is strengthened, and liquid level is more steady, and distribution of gas is more even, improve the efficiency of column plate, can improve plate efficiency 20%; Greatly increased the percent opening of plate column column plate unit are, improved the disposal ability of plate column, and the method for the control column plate vapour-liquid proposing for described hexagon float valve ad hoc structure exchange, can make the vapour-liquid exchange of monoblock column plate evenly, without dead angle, improve the mass-and heat-transfer efficiency of tower tray.
[accompanying drawing explanation]
Fig. 1 is the whole perspective view of the present invention;
Fig. 2 is cutaway view of the present invention;
Fig. 3 is deployed configuration schematic diagram of the present invention.
Wherein: 1, hexagon end face; 2, leg; 3, flanging; 4, leg holes; 5, side direction breathing area; 6, column plate; 7, bending; 8, little leg.
[specific embodiment]
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.
Embodiment 1:
A kind of hexagon float valve, comprise a regular hexagon end face 1, on three limits of the space of described regular hexagon end face 1, be respectively equipped with three tab-like leg 2, in the bottom of described leg 2, there is the flanging 3 that float valve is limited to column plate, hexagon float valve is limited to column plate by the flanging on leg 2, and does not depart from column plate.Between every two tab-like leg 2, form side direction passage, and on a leg, there is a leg holes 4 therein.
Three limits in the space of described regular hexagon end face, are respectively equipped with three tab-like leg 2, and its excess-three edge has that 3mm is wide, the bending 7 at curved 10 ° of angles downwards, in the middle of described each bending 7, has 4mm long, and 5mm is wide, the ramuscule pin 8 at curved 27 ° of angles downwards; Three tab-like leg 2 and three edges with bending 7 form three side direction passages; In the bottom of described tab-like leg, have and float float valve is upper and lower, be limited to the flanging of column plate, on one of them sheet leg, there is a leg holes 4.
The side direction breathing area of described hexagon float valve comprises side direction passage area and leg holes area.Spacing area between every two hexagon float valves, is greater than the side direction breathing area of twice.When hexagon float valve is installed on column plate 6, the spacing area sum between hexagon float valve and hexagon float valve, is greater than twice hexagon float valve side direction breathing area, and side direction breathing area equals support foot hight * regular hexagon end face hem width * 3+ leg holes area * 1.Described flanging extends into respectively two parts in foot bottom portion to both sides, two flangings 3, and the effect that described flanging plays is to make hexagon float valve still can not depart from column plate upper and lower the floating of column plate, plays spacing unsteady effect.
Described regular hexagon end face 1, leg 2 and flanging 3, be to manufacture by punch process, becomes a globality member.
Described hexagon float valve monnolithic case is regular hexagon, each regular hexagon interior angle is 120 °, and the interior angle sum of three hexagon float valves of arbitrary neighborhood is 360 °, is arranged to honeycomb on column plate, complete covering column plate plane, can make open ratio of plate reach 20%.
The side direction breathing area of described hexagon float valve is slightly less than hexagonal open area on column plate, to guarantee that gas has an impulsive force to column plate liquid, and speed up gas and liquid exchange.
A kind of method of using described hexagon float valve to control the exchange of column plate gas-liquid, it is characterized in that, hexagon float valve is arranged in cellular on column plate, the leg of a corresponding adjacent float valve of side direction passage, and the part of protracting on limit, the corresponding described passage place of the recessed groove on limit, tab-like leg place, guaranteed monoblock column plate gas-liquid exchange evenly, without dead angle.
Wherein have the leg of leg holes, be arranged in the downstream along liquid flow path direction, the airflow direction of two side direction passages that it is adjacent becomes 60 ° of angles with liquid flow path direction, promoting liquid flows to downflow weir direction, the air-flow of leg holes stops, the air-flow of a side direction passage of adjacent float valve, to guarantee that liquid can not flow to the opposite direction of liquid stream.Guaranteed that liquid, to the mobile motive force of downflow weir direction, has reduced the liquid level drop of tower tray, distribution of gas is more even, has improved the efficiency of the mass-and heat-transfer of tower tray.
At wherein three face edges of described regular hexagon end face, have that 3mm is wide, the bending 7 at curved 10 ° of angles downwards, in the middle of each edge, there is 4mm long, the ramuscule pin 8 at wide, the downward curved 27 ° of angles of 5mm, can guarantee that float valve has certain initial open degree, can well guarantee the gas communication of each float valve.
The result of application shows that the present invention has following characteristics:
Hexagon float valve of the present invention, the maximum percent opening of tower body can reach 20%, after float valve is opened, have three strands of air-flows to promote liquid stream along liquid flow direction and advance, the power that liquid stream advances is strengthened, liquid level is more steady, distribution of gas is more even, has improved the efficiency of column plate, can improve plate efficiency; Greatly increase the percent opening of plate column column plate unit are, improved the disposal ability of plate column.
Claims (6)
1. a hexagon float valve, it is characterized in that, comprise an orthohexagonal end face, three limits in the space of described regular hexagon end face, be respectively equipped with three tab-like leg, there is the bending at wide, the downward curved 10 ° of angles of 3mm at its excess-three face edge, in the middle of described each bending, has 4mm long, the little leg at wide, the downward curved 27 ° of angles of 5mm; Three tab-like leg and three edges with bending form three side direction passages; In the bottom of described tab-like leg, have upper and lower the floating of float valve is limited to the flanging of column plate, on one of them sheet leg, there is a leg holes.
2. hexagon float valve according to claim 1, is characterized in that, the side direction breathing area of described hexagon float valve comprises side direction passage area and leg holes area.
3. hexagon float valve according to claim 2, is characterized in that, the spacing area sum between every two hexagon float valves is greater than the side direction breathing area of twice.
4. hexagon float valve according to claim 1, is characterized in that described regular hexagon end face, leg and flanging are to create a globality member by punch process.
5. use hexagon float valve as described in claim 1-4 is controlled a method for column plate gas-liquid exchange, it is characterized in that, hexagon float valve is arranged in cellular on column plate, the leg of a corresponding adjacent float valve of side direction passage.
6. control according to claim 5 the method for column plate gas-liquid exchange, it is characterized in that, wherein have the leg of leg holes, be arranged in the downstream along liquid flow path direction, the airflow direction of two side direction passages that it is adjacent becomes 60 ° of angles with liquid flow path direction, promote liquid and flow to downflow weir direction, and the air-flow of leg holes stops, the air-flow of a side direction passage of adjacent float valve, to guarantee that liquid can not flow to the opposite direction of liquid stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184717.7A CN102698455B (en) | 2012-06-06 | 2012-06-06 | Hexagonal floating valve and method for controlling steam-liquid exchange of tower plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210184717.7A CN102698455B (en) | 2012-06-06 | 2012-06-06 | Hexagonal floating valve and method for controlling steam-liquid exchange of tower plate |
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| Publication Number | Publication Date |
|---|---|
| CN102698455A CN102698455A (en) | 2012-10-03 |
| CN102698455B true CN102698455B (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210184717.7A Active CN102698455B (en) | 2012-06-06 | 2012-06-06 | Hexagonal floating valve and method for controlling steam-liquid exchange of tower plate |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105498267A (en) * | 2016-01-15 | 2016-04-20 | 深圳市诚达科技股份有限公司 | Hexagonal valve fixing tower plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2469965Y (en) * | 2000-11-17 | 2002-01-09 | 中国石油化工股份有限公司巴陵分公司 | Inorganic-liquid stripper |
| CN1389287A (en) * | 2002-03-12 | 2003-01-08 | 南京大学 | Guide float valve tray |
| CN1683043A (en) * | 2005-02-06 | 2005-10-19 | 中国石油化工股份有限公司 | Tooth edge float valve |
| CN101954197A (en) * | 2010-09-29 | 2011-01-26 | 北京泽华化学工程有限公司 | Tray with circular combination valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2274693A1 (en) * | 1997-10-10 | 1999-04-22 | Amt International, Inc. | Apparatus and method for tray valve attachment |
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2012
- 2012-06-06 CN CN201210184717.7A patent/CN102698455B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2469965Y (en) * | 2000-11-17 | 2002-01-09 | 中国石油化工股份有限公司巴陵分公司 | Inorganic-liquid stripper |
| CN1389287A (en) * | 2002-03-12 | 2003-01-08 | 南京大学 | Guide float valve tray |
| CN1683043A (en) * | 2005-02-06 | 2005-10-19 | 中国石油化工股份有限公司 | Tooth edge float valve |
| CN101954197A (en) * | 2010-09-29 | 2011-01-26 | 北京泽华化学工程有限公司 | Tray with circular combination valve |
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| CN102698455A (en) | 2012-10-03 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Hexagonal Float Valve and Its Control Method for Vapor Liquid Exchange on Tray Effective date of registration: 20221025 Granted publication date: 20140305 Pledgee: Shenzhen Branch of Guoren Property Insurance Co.,Ltd. Pledgor: SHENZHEN CANDORTECH Inc.,Co. Registration number: Y2022980019544 |
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Date of cancellation: 20231106 Granted publication date: 20140305 Pledgee: Shenzhen Branch of Guoren Property Insurance Co.,Ltd. Pledgor: SHENZHEN CANDORTECH Inc.,Co. Registration number: Y2022980019544 |
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