CN202315650U - Alcohol vapor recovering device - Google Patents
Alcohol vapor recovering device Download PDFInfo
- Publication number
- CN202315650U CN202315650U CN2011205000762U CN201120500076U CN202315650U CN 202315650 U CN202315650 U CN 202315650U CN 2011205000762 U CN2011205000762 U CN 2011205000762U CN 201120500076 U CN201120500076 U CN 201120500076U CN 202315650 U CN202315650 U CN 202315650U
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- China
- Prior art keywords
- packed bed
- liquid
- layer
- condenser
- rotary packed
- 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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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 70
- 239000012530 fluid Substances 0.000 claims description 40
- 239000000945 filler Substances 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract 7
- 230000001351 cycling effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 28
- 239000013505 freshwater Substances 0.000 description 9
- 238000013016 damping Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to an alcohol vapor recovering device which comprises a vacuum pump, a condenser, a rotary filling material bed, a recirculation pump, a circulating liquid storage tank and a cyclone separating device, wherein the condenser is mounted in front of the rotary filling material bed, a cylinder body upper plate is arranged at the upper part of the rotary filling material bed, a circulating liquid inlet pipe and a fresh liquid inlet pipe are arranged on the cylinder body upper plate, a motor is arranged above the rotary filling material bed, a gas outlet pipe is arranged on the side surface of the rotary filling material bed, the cyclone separating device is connected with the gas outlet pipe, a gas inlet pipe and a liquid outlet are arranged at the bottom of the rotary filling material bed, and the condenser is connected with the gas inlet pipe. According to the utility model, manifold cycling absorption is adopted, and the equipment is the rotary filling material bed with very strong separation absorbing capacity. Therefore, the use level of pure water is saved greatly, and recovery percent of alcohol vapor is enabled to reach more than 90 percent.
Description
Technical field
The utility model relates to a kind of retracting device, is specifically related to a kind of alcohol vapor retracting device.
Background technology
Alcohol vapor is widely used in various process industrials, like industries such as pharmacy, food, light industry, oil, chemical industry.Quite a few alcohol vapor is drained in the atmosphere with the form of discarded tail gas in these industries, not only significant wastage resource but also polluted environment.The alcohol waste gas that the annual whole nation produces is a lot, and many enterprises do not note reclaiming or absorption efficiency is lower, if this part alcohol is reclaimed, will save a lot of investments, bring economic benefit.In recent years, from the tail gas of industrial discharge, absorb alcohol vapor and received people's attention, both reduced environmental pollution, reclaimed resource again, created economic benefit.
In recent years, the research of various alcohol vapor recovery methods and application have obtained generally attention both domestic and external, and some achievements in research have obtained application in industry.Technology at present commonly used still be that condensing and recycling is technological, generally is the temperature that reduces volatilization gas through the method for multistage continuous cooling emission gases, makes it to be condensed into liquid and reclaims, and is that precooling-mechanical refrigeration-liquid nitrogen refrigerating waits and realizes as its step 1.Above-mentioned technology is owing to need the control temperature range, and operating condition is relatively harsher, therefore causes in removal process energy consumption very big, and the absorptivity of alcohol vapor is also lower.Chinese patent document CN201988208U, CN2495646, CN2213014, CN2676995, CN201356988 and CN2808905 or the like disclose some devices that reclaim about alcohol; But these devices all comprise body of the tower, heat exchanger, condenser, isocon and evaporimeter etc.; These equipment bulky; Space availability ratio is little, and the unit bed pressure drop is high, mass tranfer coefficient is less, and mass-transfer efficiency is lower; And to the having relatively high expectations of physical parameter (particularly gas liquid ratio), thereby cause the consumption of absorbent very big.
Summary of the invention
The utility model overcomes the deficiency of prior art, has proposed a kind of alcohol vapor retracting device, and said retracting device is with the traditional recovery tower of rotary packed bed replacement, and gas-liquid two-phase adopts the cross-flow contact mass transfer, has reduced pressure drop greatly; Adopt a kind of novel liquid distribution trough, realize the supply respectively of recirculated water and fresh water, reduced the consumption of fresh water greatly; With the upper design of packing layer is demister, thereby has avoided at gas vent demister being set; In packed bed bottom the damping shock absorption device is installed, the vibrations of having avoided rotor to rotate causing to equipment damage, and have prolonged the service life of equipment.
The technical scheme of the utility model is: a kind of alcohol vapor retracting device, comprise vavuum pump, condenser, rotary packed bed, circulating pump, circulation fluid storage tank and cyclone separator, and said vavuum pump is installed on before the condenser; Said condenser be installed on rotary packed bed before; Be provided with the cylindrical shell upper plate on said rotary packed bed top, on the cylindrical shell upper plate, be provided with circulation fluid inlet tube and fresh liquid inlet tube, be provided with motor above rotary packed bed said; Be provided with gas outlet tube in said rotary packed bed side; Said cyclone separator is connected with said gas outlet tube, is provided with gas inlet pipe and liquid outlet in said rotary packed bed bottom, and said condenser is connected with said gas inlet pipe; Said liquid outlet connects a circulation fluid storage tank through pipeline; Said circulation fluid storage tank is connected with cyclone separator through pipeline, and said inlet of circulating pump is connected with the circulation fluid storage tank, and said outlet of circulating pump is connected with said circulation fluid inlet tube.
Said rotary packed bed liquid distribution trough and the filling body of comprising, said liquid distribution trough is column, is fixed in packed bed cylindrical shell upper plate; The fluid passage of forming by three layers of stainless-steel seamless pipe; Gapped between layer and the layer, as the passage of liquid flow, be provided with fresh liquid adapter and circulating fluid on the top, side of said liquid distribution trough and take over; Be provided with fresh liquid injection channel and circulating fluid injection channel in the bottom, side of said liquid distribution trough; Axis axle center at said liquid distribution trough is provided with main shaft, and said main shaft connects a filler rotor through machanical fastener, and said main shaft is connected through mechanical mechanism with the driving shaft of said motor; Said filling body comprises filler demister, smart dry load layer and thick dry load layer; The filler demister is positioned at filling body top; Account for the filler of packing layer total height 1/20~1/10; Said smart dry load layer is positioned at the middle part of filling body, accounts for packing layer total height 1/10~1/5 filler, and said thick dry load layer is positioned at the below of smart dry load layer; As the place of gas-liquid absorbing contacting, the high layer by layer optimal proportion of filler demister, smart dry load layer and thick dry load is between 1: 3: 16~1: 4: 15.
The utlity model has following beneficial effect
1) the utility model adopts repeatedly that circulation absorbs, and equipment adopts very capable rotary packed bed of separate absorbent, thereby has not only saved the consumption of pure water greatly, and the rate of recovery of fume can be reached more than 90%.
2) the utility model is with the traditional recovery tower of rotary packed bed replacement, and gas-liquid two-phase adopts the cross-flow contact mass transfer, has reduced pressure drop greatly; Adopt a kind of novel liquid distribution trough, realize the supply respectively of recirculated water and fresh water, reduced the consumption of fresh water greatly.
3) the damping shock absorption device is installed in the utility model packed bed bottom, and the vibrations of having avoided rotor to rotate causing to equipment damage, and have prolonged the service life of equipment.
Description of drawings
Further specify the utility model below in conjunction with the accompanying drawing and the specific embodiment.
Fig. 1 the utility model flowage structure sketch map.
The rotary packed bed structural representation of Fig. 2 the utility model.
Fig. 3 the utility model liquid distribution trough structural representation.
Fig. 4 the utility model damping shock absorption device sketch map.
Among the figure, 1. vavuum pump; 2. condenser; 3. rotary packed bed; 4. liquid distribution trough; 5. fresh liquid inlet tube; 6. motor; 7. gas outlet tube; 8. filler demister; 9. smart dry load layer; 10. thick dry load layer; 11. gas inlet pipe; 12. liquid outlet; 13. circulation fluid storage tank; 14. cyclone separator; 15. circulation fluid inlet tube; 16. main shaft; 17. circulating pump 18. cylindrical shell upper plates; 19. visor; 20. fresh liquid is taken over; 21. circulating fluid is taken over; 22. fresh liquid injection channel; 23. circulating fluid injection channel; 24. supporting leg; 25. damping shock absorption device.
The specific embodiment
Consult Fig. 1 to shown in Figure 4, comprise vavuum pump 1, condenser 2, rotary packed bed 3, circulating pump 17, circulation fluid storage tank 13 and cyclone separator 14, before said vavuum pump is positioned at condenser inlet; Said condenser 2 carries out condensation separation to gas before being installed on rotary packed bed gas inlet pipe 11, and said rotary packed bed 3 top is provided with cylindrical shell upper plate 18; On cylindrical shell upper plate 18, be provided with circulation fluid inlet tube 15 and fresh liquid inlet tube 5, circulation fluid inlet tube 15 feeds recirculated water, and fresh liquid inlet tube 5 feeds fresh water; Above said rotary packed bed 3, be provided with motor 6; Be provided with gas outlet tube 7 and visor 19 in said rotary packed bed 3 side, visor 19 is used for observing, and said cyclone separator 14 is connected with said gas outlet tube 7; Be provided with gas inlet pipe 11 and liquid outlet 12 in said rotary packed bed 3 bottom; Said condenser 2 is connected with said gas inlet pipe 11, and 2 pairs of gases of said condenser carry out condensation separation, and said liquid outlet 12 connects a circulation fluid storage tank 13 through pipeline; The liquid that said circulation fluid storage tank 13 stores after absorbing, said circulation fluid storage tank 13 is connected with cyclone separator 14 through pipeline.Said circulating pump 17 imports are connected with circulation fluid storage tank 13, and outlet is connected with rotary packed bed circulation fluid inlet tube 15.
Said rotary packed bed 3 comprise liquid distribution trough 4 and filling body; Said liquid distribution trough 4 is column; Being fixed in packed bed cylindrical shell upper plate 18, is the circular cylindrical shell that stainless steel helices is filled in an inside, is provided with fresh liquid adapter 20 on the top, side of said liquid distribution trough 4 and takes over 21 with circulating fluid; Be provided with fresh liquid injection channel 22 and circulating fluid injection channel 23 in the bottom, side of said liquid distribution trough 4; Axis axle center at said liquid distribution trough 4 is provided with main shaft 16, and said main shaft 16 connects a filler rotor through machanical fastener, and said main shaft 16 is connected through mechanical mechanism with the driving shaft of said motor 6; The driving shaft of said motor 6 drives the rotation of filler rotor through main shaft 16.The fluid passage that liquid distribution trough 4 is made up of three layers of stainless-steel seamless pipe; All gapped between layer and the layer; Passage as liquid flow; In pipe long together with intervalve, sealing up and down, injection aperture size, quantity and the pitch of holes of fresh liquid injection channel 22 and circulating fluid injection channel 23 require definite according to fluid flow.
Said filling body comprises filler demister 8, smart dry load layer 9 and thick dry load layer 10; 9 pairs of gas of said smart dry load layer carry out essence and absorb; Be positioned at the middle part of filling body, 10 pairs of gas of said thick dry load layer slightly absorb, and are positioned at the below of smart dry load layer 9.Filler demister 8 can be removed the liquid of carrying secretly in the gas.Superposed filler demister 8 accounts for the filler of packing layer total height 1/20~1/10, is used for removing the liquid that gas is carried secretly.Smart dry load layer 9 accounts for packing layer total height 1/10~1/5 filler, and remaining thick dry load layer 10 is as the place of gas-liquid absorbing contacting; The optimal proportion of filler demister 8, smart dry load layer 9 and thick dry load layer 10 floor height is between 1: 3: 16~1: 4: 15.Below rotary packed bed 3, be provided with supporting leg 24 and damping shock absorption device 25, it is rotary packed bed 3 that supporting leg 24 supports, and damping shock absorption device 25 alleviates the vibrations of equipment.Rotary packed bed 3 opening-nozzle all adopts metal hose, can reduce the filler rotor high-speed like this and rotate the vibration that brings to equipment, can prolong the service life of equipment.
The gas-liquid volume ratio scope of alcohol vapor is 1: 1000~1: 100, and optimal proportion is about 1: 500; The fresh liquid absorbent compares at 1: 5~1: 20 with circulating fluid absorbent volume, and best proportioning is about 1: 10; The rotating speed that the main shaft 16 that is driven by motor 6 drives the rotor rotation finds that through test optimum speed is about 800r/min in 0~2900r/min scope.
The utility model operation principle is: alcohol vapor the to be absorbed vavuum pump 1 of at first flowing through; Again after condenser 2 condensations; Part alcohol vapor is condensed; The a part of alcohol vapor of that is not condensed is inner by the gas inlet pipe 11 entering beds of rotary packed bed 3 bottoms with air, and the concentration range of alcohol vapor at this moment is 10~30%LEL; And on the other hand; Liquid-absorbant is divided into fresh water and recirculated water two parts, and two strands of liquid of fresh water and recirculated water get into fixed, as to be positioned at bed center liquid distribution trough 4 from the fresh liquid inlet tube 5 at rotary packed bed 3 top with circulation fluid inlet tube 15 respectively, after liquid distribution trough 4 redistributions; Two strands of liquid is ejected into the thick dry load layer 10 of revolving bed respectively and the inwall of smart dry load layer 9 carries out thick smart twice absorption; Wherein recirculated water is ejected into the packing layer bottom, and fresh water is ejected into packing layer top, because centrifugal action; Gas fully atomizes and to the radial motion of filler outer face; After so from bottom to top the gas of motion earlier carries out once thick the absorption with the recirculated water contact mass transfer, once carefully absorb with the fresh water contact mass transfer again, after after filler demister 8 removes the liquid of carrying secretly; Get into cyclone separators 14 from upper gas outlet 7 and carry out a gas-liquid separation again, make and discharge after not containing liquid fully in the gas; Liquid is got in the circulation fluid storage tank 13 by lower liquid outlet 12 after rotary packed bed 3 collect, and a part is injected circulation fluid inlet tube 15 as circulating fluid through circulating pump 17 and repeated last operation, and another part gets into the alcohol distillation recovery process.
Claims (3)
1. alcohol vapor retracting device; It is characterized in that: comprise vavuum pump, condenser, rotary packed bed, circulating pump, circulation fluid storage tank and cyclone separator, said condenser be installed on rotary packed bed before, be provided with the cylindrical shell upper plate on said rotary packed bed top; On the cylindrical shell upper plate, be provided with circulation fluid inlet tube and fresh liquid inlet tube; Be provided with motor said above rotary packed bed, be provided with gas outlet tube in said rotary packed bed side, said cyclone separator is connected with said gas outlet tube; Be provided with gas inlet pipe and liquid outlet in said rotary packed bed bottom; Said condenser is connected with said gas inlet pipe, and said liquid outlet connects a circulation fluid storage tank through pipeline, and said circulation fluid storage tank is connected with cyclone separator through pipeline; Said inlet of circulating pump is connected with the circulation fluid storage tank, and said outlet of circulating pump is connected with said circulation fluid inlet tube.
2. alcohol vapor retracting device according to claim 1; It is characterized in that: said rotary packed bed liquid distribution trough and the filling body of comprising; Said liquid distribution trough is column, is fixed in packed bed cylindrical shell upper plate, the fluid passage of being made up of three layers of stainless-steel seamless pipe; All gapped between layer and the layer; Be provided with fresh liquid adapter and circulating fluid on the top, side of said liquid distribution trough and take over, be provided with fresh liquid injection channel and circulating fluid injection channel, be provided with main shaft at the place, axis axle center of said liquid distribution trough in the bottom, side of said liquid distribution trough; Said main shaft connects a filler rotor through machanical fastener, and said main shaft is connected through mechanical mechanism with the driving shaft of said motor; Said filling body comprises filler demister, smart dry load layer and thick dry load layer; The filler demister is positioned at filling body top; Account for the filler of packing layer total height 1/20~1/10; Said smart dry load layer is positioned at the middle part of filling body, accounts for packing layer total height 1/10~1/5 filler, and said thick dry load layer is positioned at the below of smart dry load layer; As the place of gas-liquid absorbing contacting, the high layer by layer optimal proportion of filler demister, smart dry load layer and thick dry load is between 1: 3: 16~1: 4: 15.
3. alcohol vapor retracting device according to claim 1 and 2, it is characterized in that: vavuum pump places before the condenser.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205000762U CN202315650U (en) | 2011-12-02 | 2011-12-02 | Alcohol vapor recovering device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011205000762U CN202315650U (en) | 2011-12-02 | 2011-12-02 | Alcohol vapor recovering device |
Publications (1)
Publication Number | Publication Date |
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CN202315650U true CN202315650U (en) | 2012-07-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011205000762U Expired - Lifetime CN202315650U (en) | 2011-12-02 | 2011-12-02 | Alcohol vapor recovering device |
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CN (1) | CN202315650U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102380289A (en) * | 2011-12-02 | 2012-03-21 | 青岛科技大学 | Alcohol steam recovery device |
CN104147901A (en) * | 2014-07-30 | 2014-11-19 | 青岛科技大学 | Organic solvent steam condensing, absorbing and recovering device |
-
2011
- 2011-12-02 CN CN2011205000762U patent/CN202315650U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102380289A (en) * | 2011-12-02 | 2012-03-21 | 青岛科技大学 | Alcohol steam recovery device |
CN104147901A (en) * | 2014-07-30 | 2014-11-19 | 青岛科技大学 | Organic solvent steam condensing, absorbing and recovering device |
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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: 20120711 Effective date of abandoning: 20130619 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20130619 |
|
RGAV | Abandon patent right to avoid regrant |