CN202342930U - Rotary float valve tower - Google Patents
Rotary float valve tower Download PDFInfo
- Publication number
- CN202342930U CN202342930U CN2011204808334U CN201120480833U CN202342930U CN 202342930 U CN202342930 U CN 202342930U CN 2011204808334 U CN2011204808334 U CN 2011204808334U CN 201120480833 U CN201120480833 U CN 201120480833U CN 202342930 U CN202342930 U CN 202342930U
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- CN
- China
- Prior art keywords
- valve
- tower
- column plate
- liquid
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000007788 liquid Substances 0.000 claims abstract description 43
- 230000005587 bubbling Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000003595 mist Substances 0.000 abstract description 4
- 230000004907 flux Effects 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 abstract description 2
- 239000006260 foam Substances 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009401 outcrossing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses a rotary float valve tower, which is provided with a circular valve cover or a polygonal valve cover, wherein the valve cover is provided with a fin or an edgefold or a concave/convex groove. Under the mutual action of gas flow and the fin or edgefold or concave/convex groove, a float valve rotates for stirring a liquid layer, so that uniform distribution of gas content in the liquid layer is promoted, the gas-liquid contact area is increased, and the mass transfer efficiency of a tower plate is increased. A part of gas flow is rotationally sprayed out of the float valve and passes through the liquid layer, so that hedging of the gas flow is avoided, mist foam entrainment is greatly reduced, and the flux of the tower plate is increased.
Description
(1) technical field
The utility model relates to a kind of valve tower.
(2) background technology
It is big that valve plate has operating flexibility, and mist entrainment is little, and leakage is few, and disposal ability is big, the advantage that mass-transfer efficiency is high, extensive use in chemical industry, petroleum industry, pharmaceuticals industry.At present, normally used in the commercial production is round valve plate and rectangular valve column plate.Round valve plate is in operating process, and air-flow outwards sprays around float valve, and backmixing of liquid phase is big on the plate, reduces the column plate mass-transfer efficiency.Rectangular valve in operating process, air-flow from the side opening that rectangular valve and valve opening form with the flow direction at an angle of 90 or less than the direction ejection at 90 ° of angles.In order to reduce liquid level drop on the plate; Improve the column plate mass-transfer efficiency; The float valve that various guiding flow also occurred like guide float-valve, trapezoidal float valve, arrow-like floating valve, symmetrical quadrangle float valve, ADV float valve or the like, shows good hydrodynamics and mass-transfer performance in certain opereating specification.But these valve platies all exist following problem:
1. above valve plate at air-flow from the process that valve opening outwards sprays, the air-flow that sprays in the valve opening of the adjacent float valve phenomenon that liquidates.The air-flow that liquidates not only makes the liquid on the column plate upwards splash, and increases entrainment, and can liquid be blown into the valve opening formation leakage of adjacent float valve, increases leaking liquid amount, reduces the disposal ability and the operating flexibility of column plate, reduces the mass-transfer efficiency of column plate.
2. above float valve is because valve gap is bigger; Gas causes the liquid layer gas holdup of valve gap top lower from the process of valve opening ejection, and gas holdup is higher in the liquid layer in the middle of two float valves, and froth bed is unstable; Increase entrainment; Reduce the column plate disposal ability, the inhomogeneous gas-liquid contact gear ratio surface area that also can reduce of froth bed gas holdup reduces the column plate mass-transfer efficiency.
3. the air-flow of above float valve is directed ejection, forms the mass transfer dead band easily.
(3) utility model content
The treatment effeciency of valve tower is undesirable in the prior art, the froth bed gas holdup is inhomogeneous in order to overcome, form the deficiency in mass transfer dead band easily, the utility model provides that a kind of mass-transfer efficiency is high, the froth bed gas holdup evenly, valve tower that flux is very big.
The described rotation valve tower of the utility model comprises upright tower, is provided with column plate with this in the described upright tower, and the top of described upright tower is provided with gas discharge outlet, and the bottom is provided with liquid outlet; The feed tube for liquid line is introduced the upstream extremity of the column plate of the top, and downspout is guided liquid the upstream extremity of adjacent low column plate into by the downstream of a higher column plate, and the column plate below of bottommost introduced gas by the gas supply pipe line; Have on every block of described column plate one be used to accept from downspout the liquid liquid receiving area, be used for the bubbling area of mass transfer contact; It is characterized in that: in described bubbling area, offer valve opening; In the described valve opening rotary valve is housed; Described rotary valve comprises the valve gap that is used at the vertical direction barrier air, the valve leg that puts in described valve opening, and the top of described valve leg connects described valve gap, and the bottom of described valve leg is provided with the buckling piece of the periphery that is used to be fastened on described valve opening; Described valve gap is provided with and is used to change the conducting element that flow level flows to.
Further, described conducting element is arranged on the fin on the described valve gap, and the pivot of described fin and described valve gap is the tangential and arranges.
Perhaps, described conducting element is that discontinuous flanging is set on described valve gap, becomes angle between the described flanging, leaves an airflow hole at an end of described flanging.
Perhaps, described conducting element is on described valve gap, rotary blade to be set.
Perhaps, described conducting element is on described valve gap, to drive airslide.
Further, the angle number of degrees of said fin or flanging or airslide and valve gap horizontal plane are 30-150 °.
Further again, said fin or flanging or airslide and the valve gap angle number of degrees radially are 60-150 °.
Further, the direction of said fin or flanging or airslide is divided clockwise and counterclockwise two kinds.
The beneficial effect of the utility model is: 1. the structure of fin or flanging or airslide rotates float valve under gas promotes; The float valve of rotation has played the effect of stirring liquid layer; Impel the gas holdup in the liquid layer more even, improve the mass-transfer efficiency of column plate.2. the structure of fin or flanging or airslide makes part air-flow rotating tee cross liquid layer, has increased gas-liquid contact time, improves the mass-transfer efficiency of column plate.3. the structure of fin or flanging or airslide makes air-flow spray float valve with rotation status, has avoided liquidating of air-flow, has reduced entrainment widely, improves the flux of column plate.
(4) description of drawings
Fig. 1 is the structural representation with the utility model.
Fig. 2 is that the A-A of Fig. 1 is to view.
Fig. 3 is the sketch map of the said rotation float valve of the utility model when on column plate, being in standard-sized sheet.
Fig. 4-the 7th has the sketch map of the said rotation float valve of the utility model of difformity valve gap.
Fig. 8-the 25th, various difform fins or flanging sketch map.
Figure 26 is the utility model and F1 valve plate leakage branch rate comparison diagram.
Figure 27 is the utility model and F1 valve plate entrainment branch rate comparison diagram.
Figure 28 is the utility model and F1 valve plate efficient comparison diagram.
(5) specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further explain.
Embodiment one
The described rotation valve tower of the utility model comprises upright tower 2, is provided with column plate 1 with this in the described upright tower 2, and the top of described upright tower 2 is provided with gas discharge outlet 6, and the bottom is provided with liquid outlet 7; The upstream extremity of the column plate of feed tube for liquid line 3 introducing the tops, downspout 4 is guided liquid the upstream extremity of adjacent low column plate into by the downstream of a higher column plate, and the column plate below of bottommost introduced gas by gas supply pipe line 5; Have on every block of described column plate one be used to accept from downspout liquid liquid receiving area 8, be used for the bubbling area 9 of mass transfer contact.In described bubbling area 9, offer valve opening 10; In the described valve opening 10 rotary valve is housed; Described rotary valve comprises the valve gap 11 that is used at the vertical direction barrier air, the valve leg 12 that puts in described valve opening; The top of described valve leg 12 connects described valve gap 11, and the bottom of described valve leg 12 is provided with the buckling piece of the periphery that is used to be fastened on described valve opening 10; Described valve gap 11 is provided with and is used to change the conducting element that flow level flows to.
In the present embodiment, described conducting element is arranged on the fin 13 on the described valve gap 11, and described fin 13 is the tangential arrangement with the pivot of described valve gap 11.
With reference to Fig. 1, Fig. 2, several column plates 1 that described rotation float valve of the utility model is installed are installed in the upright tower 2 successively.Liquid is by the upstream extremity of the column plate of feed tube for liquid line 3 introducing the tops.The upstream extremity of adjacent low column plate guided into liquid by downspout 4 by the downstream of a higher column plate.The column plate below that gas is introduced bottommost by gas supply pipe line 5, gas gets in the liquid on the column plate through the rotation float valve on the column plate.The top of upright tower is provided with gas discharge outlet 6, and the bottom is provided with liquid outlet 7.A liquid receiving area 8 is arranged on every block of column plate, and it accepts the liquid from downspout 4, and liquid comes out to fall into liquid receiving area 8 back diverted flow to the bubbling area 9 that is provided with the rotation float valve from downspout 4.In bubbling area 9, offer valve opening 10, liquid and the gas that gets into liquid layer through the rotation float valve carry out crossing exit weir and getting into downspout 4 after mass transfer contact, get into one deck column plate again through downspout 4.
With reference to Fig. 3, Fig. 4, on described column plate, offer valve opening 10, described valve opening 10 matches with the described rotation float valve of the utility model.The rotation float valve comprises valve gap 11, valve leg 12, and the side of said valve gap 11 is provided with fin 13.
The horizontal movement of turning back when gas upwards runs into valve gap 11 through valve opening 10, gas impacts fin 13 and makes the float valve rotation when horizontal movement, and the rotation of float valve has improved mass-transfer efficiency.Simultaneously, the influence that air-flow receives fin 13 sprays along the tangential direction at float valve edge, has avoided directly liquidating of air-flow, improves the disposal ability of column plate.
The valve gap of rotation float valve shown in Figure 4 is circular, can certainly be triangle as shown in Figure 5 or quadrangle, hexagon or the like polygon, as long as the circle of valve opening 10 is complementary on the position of valve leg 12 and the column plate.
In fin structure, the shape of fin also can be diversified, shown in Fig. 8-25, can be rectangle, ellipse or band tooth rectangle or the like, also can be their combination in any.In addition, its size, spacing and quantity neither be fixed, and can adjust arbitrarily as required.
In distance between plates is that 600mm, diameter are that four layers of column plate are installed in the upright tower of 600mm, and ground floor is the entrainment collecting board, and second and third layer is for having the work column plate of rotation float valve, and the 4th layer is the leakage collecting board, and material is a stainless steel.The downspout of rotation valve plate is conventional chord downcomer, overflow height of weir 50mm, and downflow weir is long to be 392mm, the downspout bottom is apart from the column plate 40mm of lower floor.The system of tower operation is air-water; Experimental datas such as plate pressure drop, entrainment, leakage have been tested; And compare with F1 type valve plate, F1 type valve plate uses with the rotation valve plate and makes an experiment with a kind of column plate, only the float valve on the column plate is changed.
Experimental result is seen Figure 26, Figure 27, the F among the figure
0Be valve opening kinetic energy factor, e
vBe that the amount of liquid of being carried secretly with unit gas (kg) (kg) is the mist entrainment of metering method.Can find out that by figure under the same operation condition, leaking liquid amount and mist entrainment with the described rotation valve plate of the utility model have very big operating flexibility all much smaller than F1 type valve plate.
In distance between plates is that 600mm, diameter are 6 layers of the rotation valve platies that the utility model is installed in the stainless head tower of 600mm.The downspout of rotation valve plate is conventional chord downcomer, overflow height of weir 50mm, and downflow weir is long to be 392mm, the downspout bottom is apart from the column plate 40mm of lower floor.The system of tower operation is alcohol-water, has tested full column efficiency, and has compared with F1 type valve plate, and wherein the structure of column plate is identical, only changes the float valve on the column plate.
Experimental result is seen Figure 28, and the F among the figure is the void tower kinetic energy factor, can be found out significantly by figure, and the tower effect with valve plate of the described rotation float valve of the utility model is higher than F1 type valve plate, and its operating flexibility is greater than F1 type valve plate.
Embodiment two
Conducting element is that discontinuous flanging is set on described valve gap in the present embodiment, becomes angle between the described flanging, leaves an airflow hole at an end of described flanging.
With reference to Fig. 5, at the discontinuous flanging 14 of described valve gap 11 punching press edge punching presses, each flanging forms an angle, and leaves an airflow hole 15 at an end of each flanging.The acting in conjunction of flanging 14 and airflow hole 15 makes the float valve rotation.Shown in Fig. 8-25, described flanging can be diversified.Described airflow hole 15 also can be diversified, as circular, square, oval or the like.
All the other structures are identical with embodiment one with embodiment.
Embodiment three
In the present embodiment, described conducting element is on described valve gap, rotary blade to be set.
With reference to Fig. 6, be provided with rotary blade 16 in described valve gap 11 bottoms, fin impels the float valve rotation under the effect of air-flow.The size of said rotary blade, shape and quantity are not fixed, and can adjust arbitrarily as required.
All the other structures are identical with embodiment one with embodiment.
Embodiment four
In the present embodiment, described conducting element is on described valve gap, to offer airslide.
With reference to Fig. 7, a series of airslides 17 of punching press on described valve gap 11, gas through the time because the effect of airslide makes the float valve rotation.The size of described airslide, shape and quantity are not fixed, and can adjust arbitrarily as required, simultaneously can be along valve gap 11 punching press up or down yet.
All the other structures are identical with embodiment one with embodiment.
Claims (5)
1. the rotation valve tower comprises upright tower, is provided with column plate with this in the described upright tower, and the top of described upright tower is provided with gas discharge outlet, and the bottom is provided with liquid outlet; The feed tube for liquid line is introduced the upstream extremity of the column plate of the top, and downspout is guided liquid the upstream extremity of adjacent low column plate into by the downstream of a higher column plate, and the column plate below of bottommost introduced gas by the gas supply pipe line; Have on every block of described column plate one be used to accept from the liquid of downspout liquid receiving area, be used for the bubbling area of mass transfer contact; It is characterized in that: in described bubbling area, offer valve opening; In the described valve opening rotary valve is housed; Described rotary valve comprises the valve gap that is used at the vertical direction barrier air, the valve leg that puts in described valve opening, and the top of described valve leg connects described valve gap, and the bottom of described valve leg is provided with the buckling piece of the periphery that is used to be fastened on described valve opening; Described valve gap is provided with and is used to change the conducting element that flow level flows to.
2. rotation valve tower as claimed in claim 1 is characterized in that: described conducting element is arranged on the fin on the described valve gap, and the pivot of described fin and described valve gap is the tangential and arranges.
3. rotation valve tower as claimed in claim 1 is characterized in that: described conducting element is that discontinuous flanging is set on described valve gap, becomes angle between the described flanging, leaves an airflow hole at an end of described flanging.
4. rotation valve tower as claimed in claim 1 is characterized in that: described conducting element is on described valve gap, rotary blade to be set.
5. rotation valve tower as claimed in claim 1 is characterized in that: described conducting element is on described valve gap, to drive airslide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204808334U CN202342930U (en) | 2011-11-28 | 2011-11-28 | Rotary float valve tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204808334U CN202342930U (en) | 2011-11-28 | 2011-11-28 | Rotary float valve tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202342930U true CN202342930U (en) | 2012-07-25 |
Family
ID=46531957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204808334U Expired - Lifetime CN202342930U (en) | 2011-11-28 | 2011-11-28 | Rotary float valve tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202342930U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489031A (en) * | 2011-11-28 | 2012-06-13 | 浙江工业大学 | Rotary float valve tower |
| CN103143186A (en) * | 2013-02-04 | 2013-06-12 | 沈宏 | Rotary shear flow tray |
| CN103464085A (en) * | 2013-09-21 | 2013-12-25 | 南京福昌环保有限公司 | Bubble-cap tower plate |
| CN109316771A (en) * | 2018-12-15 | 2019-02-12 | 浙江工业大学 | A kind of novel compositions frozen valve tray |
| CN113351151A (en) * | 2021-06-08 | 2021-09-07 | 武汉凯通石化机械有限公司 | Design method of suspension type eccentric downcomer floating valve tray |
-
2011
- 2011-11-28 CN CN2011204808334U patent/CN202342930U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102489031A (en) * | 2011-11-28 | 2012-06-13 | 浙江工业大学 | Rotary float valve tower |
| CN102489031B (en) * | 2011-11-28 | 2013-12-04 | 浙江工业大学 | Rotary float valve tower |
| CN103143186A (en) * | 2013-02-04 | 2013-06-12 | 沈宏 | Rotary shear flow tray |
| CN103143186B (en) * | 2013-02-04 | 2014-12-03 | 沈宏 | Rotary shear flow tray |
| CN103464085A (en) * | 2013-09-21 | 2013-12-25 | 南京福昌环保有限公司 | Bubble-cap tower plate |
| CN109316771A (en) * | 2018-12-15 | 2019-02-12 | 浙江工业大学 | A kind of novel compositions frozen valve tray |
| CN113351151A (en) * | 2021-06-08 | 2021-09-07 | 武汉凯通石化机械有限公司 | Design method of suspension type eccentric downcomer floating valve tray |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120725 Effective date of abandoning: 20131204 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120725 Effective date of abandoning: 20131204 |
|
| RGAV | Abandon patent right to avoid regrant |