CN204093268U - A kind of temperature swing absorption unit for the protection of membrane separation plant - Google Patents
A kind of temperature swing absorption unit for the protection of membrane separation plant Download PDFInfo
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- CN204093268U CN204093268U CN201420564808.8U CN201420564808U CN204093268U CN 204093268 U CN204093268 U CN 204093268U CN 201420564808 U CN201420564808 U CN 201420564808U CN 204093268 U CN204093268 U CN 204093268U
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- plug valve
- port
- regeneration gas
- export
- arrival end
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Abstract
For the protection of a temperature swing absorption unit for membrane separation plant, it relates to a kind of temperature swing absorption unit for the protection of membrane separation plant.The utility model will solve adsorption tanks and separation equipment in existing methanol synthesizer thoroughly can not adsorb and intercept the harmful constituent of carrying secretly in unstripped gas to the infringement of film, cause film device hydraulic performance decline, service life shortens and affects the problem that safe and stable arrangement is run.Device comprises coalescing filter, the first packed tower, the second packed tower, regeneration gas cooler, regeneration gas heater and regeneration gas separator.The utility model is used for methyl alcohol blow-out gas and extracts in coal-based gas device.
Description
Technical field
The utility model relates to a kind of temperature swing absorption unit for the protection of membrane separation plant.
Background technology
A large amount of blow-out gas is had to discharge in existing pressurized gasification combined production of methanol process, the main enrich methane of this part gas and hydrogen, also containing a small amount of carbon monoxide and carbon dioxide, this part gas can enter gas ductwork can pass through UF membrane by the blow-out gas produced in Production of methanol again for town gas, carbon monodixe conversion, carbon dioxide such as to deviate from the means, reclaim hydrogen wherein, and returned methanol-fueled CLC and do methanol feedstock gas, namely hydrogen wherein can be reclaimed concentrate by UF membrane and return methanol synthesizer methanol, remaining gas is containing the methane of high concentration, again by after a small amount of carbon monoxide and carbon dioxide removing, methane can as the natural gas of civilian or industrial high heating value, further pressurization can as vehicle fuel.
But the decarburization unit in existing methanol synthesizer is to methane concentration unit band amine liquid, and the steady salt of catabolite heat of absorbent also enters methane concentration unit with unstripped gas, through heater, the steady salt of catabolite heat of MDEA accumulates in heat exchanger and follow-up pipeline, not only blocking pipeline, and the separating property of various organic principles to subsequent film in the steady salt of heat and amine liquid causes decay, have a strong impact on the safe and stable operation of device and the quality of product, and significantly increase operating cost because changing film.So be badly in need of a kind of device that can adsorb and intercept various organic principles in the steady salt of heat and amine liquid, prevent the steady salt of heat from gathering at pipeline and protect subsequent film, the service life of prolongation film.
Utility model content
The utility model will solve adsorption tanks and separation equipment in existing methanol synthesizer thoroughly can not adsorb and intercept the harmful constituent of carrying secretly in unstripped gas to the infringement of film; cause film device hydraulic performance decline; service life shortens and affects the problem that safe and stable arrangement is run, and provides a kind of temperature swing absorption unit for the protection of membrane separation plant.
A kind of temperature swing absorption unit for the protection of membrane separation plant of the utility model comprises coalescing filter, the first packed tower, the second packed tower, regeneration gas cooler, regeneration gas heater and regeneration gas separator; Decarburization gas inlet pipe is connected with the arrival end of described coalescing filter, and described coalescing filter outlet at bottom end is connected with out-of-bounds outlet, described coalescing filter upper outlet end respectively with plug valve X
1arrival end and plug valve X
2arrival end be connected, the top port of described first packed tower respectively with plug valve X
1the port of export, plug valve X
3arrival end and plug valve X
5arrival end be connected, the top port of described second packed tower respectively with plug valve X
2the port of export, plug valve X
4arrival end and plug valve X
6arrival end be connected; Described gases at high pressure discharge pipe respectively with plug valve X
3the port of export and plug valve X
4the port of export be connected, the centre entrance end of described regeneration gas cooler respectively with plug valve X
5the port of export and plug valve X
6the port of export be connected, the centre exit end of described regeneration gas cooler is connected with the centre entrance end of regeneration gas separator, the top exit end of described regeneration gas separator is connected with regeneration gas outlet, and the outlet at bottom end of regeneration gas separator is connected with condensed water outlet pipe; The end port of export of described regeneration gas cooler with loop back water pipe and be connected, the end inlet end of described regeneration gas cooler is connected with circulation upper hose; The bottom port of described first packed tower respectively with plug valve X
7the port of export, plug valve X
9the port of export and plug valve X
11arrival end be connected, the bottom port of described second packed tower respectively with plug valve X
8the port of export, plug valve X
10the port of export and plug valve X
12arrival end be connected; Described regeneration gas inlet tube respectively with plug valve X
7arrival end and plug valve X
8arrival end be connected, the end port of export of described regeneration gas heater respectively with plug valve X
9arrival end and plug valve X
10arrival end be connected, the end inlet end of described regeneration gas heater is connected with regeneration gas inlet tube, and the centre entrance end of described regeneration gas heater is connected with steam inlet tube, and the centre exit end of described regeneration gas heater is connected with condensate pipe; Described striping be separated outlet respectively with plug valve X
11the port of export and plug valve X
12the port of export be connected.
The operation principle of this device: this device adopts Temp .-changing adsorption technology to carry out gas separaion purification, Temp .-changing adsorption technology is to based on the physical absorption of gas molecule by adsorbent (porosu solid material) interior surface, utilize adsorbent to the adsorption capacity of gas with adsorption temp different with pressure and change characteristic, adsorbent is under the condition of the selective absorption of gas with various component, some component in gaseous mixture is adsorbed during cryogenic high pressure, do not gone out by adsorption tower laminar flow by adsorbent component, during high-temperature low-pressure desorption these by the component adsorbed, to carry out cryogenic high pressure absorption next time, multiple adsorption tower can be adopted and reach the object be continuously separated of gas.
The beneficial effects of the utility model are:
1, the utility model utilize adsorbent to the adsorption capacity of gas with adsorption temp different with pressure and change characteristic, adsorbent is under the condition of the selective absorption of gas with various component, some component in gaseous mixture is adsorbed during cryogenic high pressure, do not gone out by adsorption tower laminar flow by adsorbent component, during high-temperature low-pressure desorption these by the component adsorbed, with carry out next time cryogenic high pressure absorption.This device use adsorbent to have very strong adsorption effect to MDEA etc., can reach and remove in unstripped gas the contained harmful components damaging film device, realize the purification to unstripped gas.
2, the utility model is by setting up temperature swing adsorption unit at methane concentration unit, eliminates and causes e-quipment and pipe superpressure, the risk of explosion caused because the steady salt of heat gathers pipeline, eliminate great potential safety hazard.
3, the utility model is after setting up temperature swing adsorption unit, effectively can intercept various organic principles in the steady salt of heat and amine liquid to the infringement of film, extend the service life of film, improve the quality index of gas product.By increasing temperature swing absorption unit, extend the life cycle of film, for enterprise has saved fund.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the temperature swing absorption unit for the protection of membrane separation plant.
Detailed description of the invention
Technical solutions of the utility model are not limited to following cited detailed description of the invention, also comprise any combination between each detailed description of the invention.
Detailed description of the invention one: composition graphs 1 illustrates present embodiment, present embodiment comprises coalescing filter 1, first packed tower 2, second packed tower 3, regeneration gas cooler 4, regeneration gas heater 5 and regeneration gas separator 6 for the protection of the temperature swing absorption unit of membrane separation plant; Decarburization gas inlet pipe 7 is connected with the arrival end of described coalescing filter 1, and described coalescing filter 1 outlet at bottom end is connected with out-of-bounds outlet 8, described coalescing filter 1 upper outlet end respectively with plug valve X
1the arrival end of 18 and plug valve X
2the arrival end of 19 is connected, the top port of described first packed tower 2 respectively with plug valve X
1the port of export, the plug valve X of 18
3the arrival end of 20 and plug valve X
5the arrival end of 22 is connected, the top port of described second packed tower 3 respectively with plug valve X
2the port of export, the plug valve X of 19
4the arrival end of 21 and plug valve X
6the arrival end of 23 is connected; Described gases at high pressure discharge pipe 11 respectively with plug valve X
3the port of export of 20 and plug valve X
4the port of export of 21 is connected, the centre entrance end of described regeneration gas cooler 4 respectively with plug valve X
5the port of export of 22 and plug valve X
6the port of export of 23 is connected, the centre exit end of described regeneration gas cooler 4 is connected with the centre entrance end of regeneration gas separator 6, the top exit end of described regeneration gas separator 6 is connected with regeneration gas outlet 14, and the outlet at bottom end of regeneration gas separator 6 is connected with condensed water outlet pipe 15; The end port of export of described regeneration gas cooler 4 with loop back water pipe 12 and be connected, the end inlet end of described regeneration gas cooler 4 is connected with circulation upper hose 13; The bottom port of described first packed tower 2 respectively with plug valve X
7the port of export, the plug valve X of 24
9the port of export of 26 and plug valve X
11the arrival end of 28 is connected, the bottom port of described second packed tower 3 respectively with plug valve X
8the port of export, the plug valve X of 25
10the port of export of 27 and plug valve X
12the arrival end of 29 is connected; Described regeneration gas inlet tube 16 respectively with plug valve X
7the arrival end of 24 and plug valve X
8the arrival end of 25 is connected, the end port of export of described regeneration gas heater 5 respectively with plug valve X
9the arrival end of 26 and plug valve X
10the arrival end of 27 is connected, the end inlet end of described regeneration gas heater 5 is connected with regeneration gas inlet tube 16, the centre entrance end of described regeneration gas heater 5 is connected with steam inlet tube 9, and the centre exit end of described regeneration gas heater 5 is connected with condensate pipe 10; Described striping be separated outlet 17 respectively with plug valve X
11the port of export of 28 and plug valve X
12the port of export of 29 is connected.
The characteristic that present embodiment utilizes adsorbent different with pressure with adsorption temp to the adsorption capacity of gas and changes, adsorbent is under the condition of the selective absorption of gas with various component, some component in gaseous mixture is adsorbed during cryogenic high pressure, do not gone out by adsorption tower laminar flow by adsorbent component, during high-temperature low-pressure desorption these by the component adsorbed, with carry out next time cryogenic high pressure absorption.This device use adsorbent to have very strong adsorption effect to MDEA etc., can reach and remove in unstripped gas the contained harmful components damaging film device, realize the purification to unstripped gas.
Present embodiment, by setting up temperature swing adsorption unit at methane concentration unit, eliminates and causes e-quipment and pipe superpressure, the risk of explosion caused because the steady salt of heat gathers pipeline, eliminate great potential safety hazard.
Present embodiment, after setting up temperature swing adsorption unit, effectively can intercept various organic principles in the steady salt of heat and amine liquid to the infringement of film, extend the service life of film, improve the quality index of gas product.By increasing temperature swing absorption unit, extend the life cycle of film, for enterprise has saved fund.
Claims (1)
1., for the protection of a temperature swing absorption unit for membrane separation plant, it is characterized in that comprising coalescing filter (1), the first packed tower (2), the second packed tower (3), regeneration gas cooler (4), regeneration gas heater (5) and regeneration gas separator (6) for the protection of the temperature swing absorption unit of membrane separation plant; Decarburization gas inlet pipe (7) is connected with the arrival end of described coalescing filter (1), described coalescing filter (1) outlet at bottom end is connected with out-of-bounds outlet (8), described coalescing filter (1) upper outlet end respectively with plug valve X
1(18) arrival end and plug valve X
2(19) arrival end is connected, the top port of described first packed tower (2) respectively with plug valve X
1(18) the port of export, plug valve X
3(20) arrival end and plug valve X
5(22) arrival end is connected, the top port of described second packed tower (3) respectively with plug valve X
2(19) the port of export, plug valve X
4(21) arrival end and plug valve X
6(23) arrival end is connected; Described gases at high pressure discharge pipe (11) respectively with plug valve X
3(20) the port of export and plug valve X
4(21) the port of export is connected, the centre entrance end of described regeneration gas cooler (4) respectively with plug valve X
5(22) the port of export and plug valve X
6(23) the port of export is connected, the centre exit end of described regeneration gas cooler (4) is connected with the centre entrance end of regeneration gas separator (6), the top exit end of described regeneration gas separator (6) is connected with regeneration gas outlet (14), and the outlet at bottom end of regeneration gas separator (6) is connected with condensed water outlet pipe (15); The end port of export of described regeneration gas cooler (4) with loop back water pipe (12) and be connected, the end inlet end of described regeneration gas cooler (4) is connected with circulation upper hose (13); The bottom port of described first packed tower (2) respectively with plug valve X
7(24) the port of export, plug valve X
9(26) the port of export and plug valve X
11(28) arrival end is connected, the bottom port of described second packed tower (3) respectively with plug valve X
8(25) the port of export, plug valve X
10(27) the port of export and plug valve X
12(29) arrival end is connected; Described regeneration gas inlet tube (16) respectively with plug valve X
7(24) arrival end and plug valve X
8(25) arrival end is connected, the end port of export of described regeneration gas heater (5) respectively with plug valve X
9(26) arrival end and plug valve X
10(27) arrival end is connected, the end inlet end of described regeneration gas heater (5) is connected with regeneration gas inlet tube (16), the centre entrance end of described regeneration gas heater (5) is connected with steam inlet tube (9), and the centre exit end of described regeneration gas heater (5) is connected with condensate pipe (10); Described striping be separated outlet (17) respectively with plug valve X
11(28) the port of export and plug valve X
12(29) the port of export is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420564808.8U CN204093268U (en) | 2014-09-28 | 2014-09-28 | A kind of temperature swing absorption unit for the protection of membrane separation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420564808.8U CN204093268U (en) | 2014-09-28 | 2014-09-28 | A kind of temperature swing absorption unit for the protection of membrane separation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204093268U true CN204093268U (en) | 2015-01-14 |
Family
ID=52261739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420564808.8U Expired - Fee Related CN204093268U (en) | 2014-09-28 | 2014-09-28 | A kind of temperature swing absorption unit for the protection of membrane separation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204093268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226078A (en) * | 2014-09-28 | 2014-12-24 | 中煤能源黑龙江煤化工有限公司 | Temperature swing adsorption device for protection film separation equipment and method for performing temperature swing adsorption by using device |
| CN105087094A (en) * | 2015-08-10 | 2015-11-25 | 新奥气化采煤有限公司 | Natural gas purification device, natural gas purification system, natural gas treatment system and adsorbent regeneration method |
-
2014
- 2014-09-28 CN CN201420564808.8U patent/CN204093268U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104226078A (en) * | 2014-09-28 | 2014-12-24 | 中煤能源黑龙江煤化工有限公司 | Temperature swing adsorption device for protection film separation equipment and method for performing temperature swing adsorption by using device |
| CN105087094A (en) * | 2015-08-10 | 2015-11-25 | 新奥气化采煤有限公司 | Natural gas purification device, natural gas purification system, natural gas treatment system and adsorbent regeneration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20170928 |