CN202506371U - Gas-liquid parallel flow distribution plate - Google Patents
Gas-liquid parallel flow distribution plate Download PDFInfo
- Publication number
- CN202506371U CN202506371U CN2012200917318U CN201220091731U CN202506371U CN 202506371 U CN202506371 U CN 202506371U CN 2012200917318 U CN2012200917318 U CN 2012200917318U CN 201220091731 U CN201220091731 U CN 201220091731U CN 202506371 U CN202506371 U CN 202506371U
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- gas
- liquid
- outer cover
- plate
- central tube
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Abstract
A gas-liquid parallel flow distribution plate comprises plate boards and gas-liquid distributors, wherein each plate board is evenly provided with a plurality of gas-liquid distributors, each gas-liquid distributor is provided with a strip-shaped outer cover, the top end of the inside of each outer cover is provided with a flow-stopping plate, the bottom of each outer cover is provided with a strip-shaped hole, the inside of each outer cover is provided with a central pipe, a lower portion of each central pipe is installed in an open pore of the plate boards, a bottom end outlet of each central pipe is provided with a smash flow board, and each smash flow board is provided with a smash flow hole. The gas-liquid parallel flow distribution plate has the advantages of being simple in structure, good in distribution effect and the like. Core flow is not produced after gas-liquid two-phase passes through the gas-liquid distribution plate, the liquid phase radial distribution peak value is small, and liquid phase can be distributed uniformly on a cross section of entire catalytic agents.
Description
Technical field
The utility model relates to a kind of hydrogenation reactor inner member that is used for petroleum refining and chemical industry, the gas-liquid distribution plate that relates to the gas-liquid two-phase in a kind of hydrogenation reactor in particular and flow.
Background technology
The main effect of gas-liquid distribution plate, the one, the gas-liquid two-phase reaction mass on the beds that evenly distributes is realized contacting with the good of catalyst; The 2nd, improve the flow regime of fluid, make the gas-liquid two-phase reaction mass reach radial and axial even distribution, so that better bring into play the effect of catalyst.Can hydrogenation reactor steady operation, and can catalyst play one's part to the full, and can product reach the distribution effects that quality requirement depends on the gas-liquid distribution plate to a great extent.
The gas-liquid distribution plate is made up of the gas-liquid allotter that is evenly distributed on the dish plate, and wherein each gas-liquid allotter is allocation units, and the gas-liquid two-phase reaction mass is evenly distributed to next beds through gas-liquid allotter.At present; The leading indicator of the performance of gas-liquid allotter is weighed in the conducts such as peak value radially of pressure drop, liquid phase spray area, liquid phase: gas-liquid divides that the liquid phase peak deviation radially of distributor is more little, the liquid phase spray area is bigger, pressure drop is more little, and the distribution performance of gas-liquid allotter is just good more.The mode that existing gas-liquid allotter gets into gas-liquid allotter according to liquid phase can be divided into three types of overflow type, suction type and the mixed types of the two.
The gas-liquid allotter that the overflow type distributor uses the earliest, its advantage are that liquid passes through spout hole entering central tube, and resistance is very little, is fit to high viscosity medium; Shortcoming is the levelness of installing to be required very harsh, than higher, can only be used in the little reactor usually or under the situation of high viscosity medium to the processing of distribution plate, installation requirement.
The patent No. is that the utility model patent of CN200963585.Y discloses a kind of suction type gas-liquid allotter; The pressure drop of this kind gas-liquid allotter is lower; Operating flexibility distributor relatively in the past increases; Particularly the export distributor spray liquid area big problem of peak value little and that radially distribute has had tangible improvement, but has baroque shortcoming, and higher to processing request.
The patent No. is that the utility model patent of CN2355786.Y discloses a kind of gas-liquid allotter that integrates suction and overflow; This kind distributor has the advantage of overflow type and suction type distributor; It is good to have the performance of distribution, and pressure drop is low, and operating flexibility is big; The characteristics that are fit to high viscosity medium, but its radial distribution peak deviation is bigger.
The gas-liquid allotter of suction type is that China uses more one type at present; This kind distributor overall has good distributing uniformity; But local allocation is also inhomogeneous; Cause the liquid phase material can not to be uniformly distributed on the catalyst bed layer cross section, influenced reaction fully, carry out uniformly.
The utility model content
The utility model mainly is the existing gas-liquid distribution plate complex structure of solution, has technical problems such as flow at the center, the liquid phase allotment area is little, the radial distribution peak deviation is big, operating flexibility is little.The gas-liquid distribution plate structure that the utility model provides is following: this gas-liquid distribution plate comprises dish plate and gas-liquid allotter, on the described dish plate a plurality of gas-liquid allotters is installed evenly, and described gas-liquid allotter has the outer cover of bar shaped; The inner tip of outer cover is provided with flow-stopping plate, and the outer cover bottom is provided with bar hole, and outer cover inside is provided with central tube; The central tube bottom is installed in the perforate of dish plate; Exit, central tube bottom is provided with stream breaker, and stream breaker is provided with broken discharge orifice, broken discharge orifice be shaped as bar shaped or triangle; The number of bar hole is 1-5, and the bar hole size on long limit, outer cover both sides is different with highly.The utlity model has simple in structure, easily manufactured, distribution effects is good, gas-liquid two-phase is through after this utility model, no center stream, the radial distribution peak value of liquid phase is little, liquid phase can be evenly distributed on the cross section of whole catalyst.
The gas-liquid distribution plate that the utility model provides increases the spray point of liquid phase through increasing the number of the bar hole of being opened on the distributor, thereby has reduced the peak value that single spray point place liquid phase distributes; Central tube adopts rectangle flared tube form, and enlarging gradually from top to bottom of aisle spare makes liquid phase have bigger allotment area; The set inside baffle plate helps the even distribution of gas-liquid two-phase; Exit, central tube bottom is provided with stream breaker, has effectively reduced the center flow phenomenon; Big low height difference of the bar hole of two long sides of outer cover and central tube two long side height are different, have improved the operating flexibility of liquid phase.
Description of drawings
Fig. 1 is the overall structure sketch map of the utility model;
Fig. 2 is the front view of gas-liquid allotter;
Fig. 3 is the side view of gas-liquid allotter;
Fig. 4 is evenly distributed on the sketch map on the tower tray for gas-liquid allotter;
Fig. 5 a, Fig. 5 b are respectively that the baffle plate lower edge is the front view of straight shape and zigzag interior panelling;
Fig. 6 a, Fig. 6 b are respectively that broken discharge orifice is the vertical view of bar shaped and leg-of-mutton stream breaker.
Specific embodiments
Below in conjunction with accompanying drawing the gas-liquid allotter that the utility model provides is further described: but therefore do not limit the utility model.
Fig. 1 is the overall structure sketch map of the utility model, can be known by Fig. 1, and this utility model is mainly assembled by some blocks of dish plates 1, on every block of dish plate 1 a plurality of gas-liquid allotters 2 is installed.
Fig. 2 and Fig. 3 are respectively the front view and the side view of gas-liquid allotter, further can be known by Fig. 2 and Fig. 3, and this gas-liquid allotter mainly contains central tube 9, outer cover 10, interior panelling 3 and stream breaker 4 and constitutes.The bottom of central tube 9 is installed in the perforate of dish plate, and its side 7 has different height with side 8; Stream breaker 4 is installed in the bottom opening place of central tube, which is provided with broken discharge orifice 5; The outside of central tube is provided with outer cover 2, the bottom opening of outer cover 2, outer cover inside is provided with flow-stopping plate 3, two long sides of outer cover have the bar hole 6 and 6 of different sizes and height '.
Fig. 4 is evenly distributed on the sketch map on the tower tray for gas-liquid allotter; Can know by Fig. 4; The concrete distribution mode of gas-liquid allotter on tower tray: the highly bigger side of each gas-liquid allotter central tube 98 corresponding the bigger bar hole 6 of outer cover 10 bottoms ', highly less side 7 corresponding less bar hole 6.Two adjacent gas-liquid allotters one of them have big bar hole 6 ' the outer cover side have outer cover one side of less bar hole 6 facing to the another one gas-liquid allotter.
The interior panelling lower edge that the utility model provides has various ways, and is as shown in Figure 5.Wherein the interior panelling lower edge shown in a is straight shape, and the interior panelling lower edge shown in the b is a zigzag.
The broken discharge orifice of the stream breaker that the utility model provides is used multiple shape, and is as shown in Figure 6.Wherein the broken discharge orifice shown in a is bar shaped, and the broken discharge orifice shown in the b is a triangle.
The gas-liquid distribution plate operation principle of the utility model design is following:
Gas phase is respectively through the bar hole 6 and 6 ' entering outer cover 10 of gas-liquid allotter 2 and the slit between the central tube 9; The inside and outside differential pressure effect of gas-liquid allotter makes the tower tray liquid phase got into the slit between outer cover 10 and the central tube 9 by the gas phase suction, is mixed together and arrives the top of central tube 9 with gas phase; Again mix behind the two fluid streams rising impingement baffles 3 at entering outer cover 10 tops, because of the expansion gradually of aisle spare, the allotment area of two phases also increases gradually subsequently, finally passes through the stream breaker 5 of central tube bottom, the uniform distribution of realization gas-liquid two-phase.The distribution mode of the utility model gas-liquid allotter on tower tray and the own bar hole 6 of gas-liquid allotter and 6 ' big low height side 7 different and central tube highly different with side 8, make this distributor have bigger operating flexibility.
Claims (4)
1. a gas-liquid distribution plate comprises dish plate and gas-liquid allotter, it is characterized in that on the said dish plate a plurality of gas-liquid allotters being installed evenly, and the bottom of said gas-liquid allotter central tube is installed in the perforate of dish plate, and two long sides of central tube have differing heights; The bottom outlet of central tube is provided with stream breaker, offers broken discharge orifice on the stream breaker; The outside of central tube is provided with outer cover, the bottom opening of outer cover, and the inside of outer cover is provided with flow-stopping plate, and two long sides of outer cover have the bar hole of different sizes.
2. gas-liquid distribution plate as claimed in claim 1 is characterized in that, described bar hole be shaped as rectangle or isosceles triangle, the number of bar hole is 1-5, two long side corresponding strip of outer cover hole size is different with highly.
3. gas-liquid distribution plate as claimed in claim 1 is characterized in that, described central tube is the big rectangle flared tube structure of top handle, the equal opening in the top of central tube and bottom.
4. gas-liquid distribution plate as claimed in claim 1 is characterized in that, described broken discharge orifice is bar shaped or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200917318U CN202506371U (en) | 2012-03-06 | 2012-03-06 | Gas-liquid parallel flow distribution plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200917318U CN202506371U (en) | 2012-03-06 | 2012-03-06 | Gas-liquid parallel flow distribution plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202506371U true CN202506371U (en) | 2012-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200917318U Expired - Fee Related CN202506371U (en) | 2012-03-06 | 2012-03-06 | Gas-liquid parallel flow distribution plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202506371U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097179A (en) * | 2016-11-25 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of grating type, which subtracts, rushes equal flow table |
| CN108097178A (en) * | 2016-11-25 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of tooth weir formula, which subtracts, rushes equal flow table |
-
2012
- 2012-03-06 CN CN2012200917318U patent/CN202506371U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097179A (en) * | 2016-11-25 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of grating type, which subtracts, rushes equal flow table |
| CN108097178A (en) * | 2016-11-25 | 2018-06-01 | 中国石油化工股份有限公司 | A kind of tooth weir formula, which subtracts, rushes equal flow table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG SHTAR SCIENCE + TECHNOLOGY GROUP CO., LTD Effective date: 20130608 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266555 QINGDAO, SHANDONG PROVINCE TO: 257061 DONGYING, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130608 Address after: 257061 North Dongying Road, Dongying, Shandong, No. two, No. 271 Patentee after: China Petroleum University (East China) Patentee after: SHANDONG SHTAR SCIENCE & TECHNOLOGY GROUP CO., LTD. Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Changjiang Road, No. 66, No. Patentee before: China Petroleum University (East China) |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20140306 |