CN104801149A - PSA circulating desulfurization equipment suitable for refinery plant - Google Patents
PSA circulating desulfurization equipment suitable for refinery plant Download PDFInfo
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- CN104801149A CN104801149A CN201510201387.1A CN201510201387A CN104801149A CN 104801149 A CN104801149 A CN 104801149A CN 201510201387 A CN201510201387 A CN 201510201387A CN 104801149 A CN104801149 A CN 104801149A
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- psa
- charging aperture
- discharging opening
- refinery
- separator
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- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 30
- 230000023556 desulfurization Effects 0.000 title claims abstract description 27
- 150000001412 amines Chemical class 0.000 claims abstract description 53
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000002156 adsorbate Substances 0.000 claims abstract description 18
- 238000011069 regeneration method Methods 0.000 claims abstract description 17
- 230000008929 regeneration Effects 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims description 52
- 238000007599 discharging Methods 0.000 claims description 39
- 229910052717 sulfur Inorganic materials 0.000 claims description 37
- 239000011593 sulfur Substances 0.000 claims description 37
- 238000001179 sorption measurement Methods 0.000 claims description 26
- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 claims description 18
- 238000010926 purge Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 229940076279 serotonin Drugs 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000011344 liquid material Substances 0.000 claims description 3
- 238000004781 supercooling Methods 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- -1 compound amine Chemical class 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 68
- 238000000034 method Methods 0.000 description 15
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Landscapes
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses PSA circulating desulfuration equipment suitable for a refinery plant. A separator comprises two feed openings and three discharge openings; the feed opening and the discharge opening of a compound amine solution regeneration component are respectively communicated with the discharge opening I and the feed opening I of the separator; the jet orifice of an ejector is communicated with the feed opening II of the separator; the feed opening of a methyldiethanolamine circulating component is communicated with the discharge opening II of the separator; the discharge opening of the methyldiethanolamine circulating component is communicated with the feed opening of the ejector; three methane gas generation devices are communicated with one side wall of the feed opening of the ejector through feed gas pipelines; the discharge opening III of the separator is connected with the feed opening of an amine solution recoverer, and the discharge opening of the amine solution recoverer is communicated with the feed openings of PSA fine desulfurization components; the weak-adsorbate product discharge openings of the PSA fine desulfurization components are communicated with a combustion pipe network, and the strong-adsorbate product discharge openings of the PSA fine desulfurization components are communicated with the feed gas pipelines.
Description
Technical field
The invention belongs to sulfurization process facilities field, be specifically related to a kind of PSA circulating desulfurization device being applicable to refinery.
Background technology
Along with domestic petroleum refining industry's development, newly-built, enlarging oil refining apparatus is constructed and put into operation in succession, and crude capacity improves constantly, and imported crude oil amount rises gradually, and the sulfur content of crude oil is also more and more higher.The sulfur content of the device in Gas produced in Crude Oil Processing also improves thereupon, " three top device in Gas " typical case the most of wherein atmospheric distillation tower, vacuum rectification tower and stable absorption column overhead discharge.In prior art, after mostly carrying out thick desulfurization for " three top device in Gas ", entering pipe network burning, in order to more be beneficial to environmental protection, deep desulfuration process must be carried out to " three top device in Gas ".
Summary of the invention
It is simple, easy to use that the object of the invention is to provide a kind of structure, effectively can improve desulfuration efficiency, and effectively can save the PSA circulating desulfurization device being applicable to refinery of supercharging cost.
For realizing above-mentioned technical purpose, by the following technical solutions:
A kind of PSA circulating desulfurization device being applicable to refinery, comprise injector, separator, serotonin liquid regeneration module, methyl diethanolamine recirculation assembly and PSA fine de-sulfur assembly, wherein separator comprises two charging apertures and three discharging openings, serotonin liquid regeneration module charging aperture, discharging opening respectively with the discharging opening one of separator, charging aperture one is connected, the jet of injector and the charging aperture two of separator are connected, the charging aperture of methyl diethanolamine recirculation assembly and the discharging opening two of separator are connected, the discharging opening of methyl diethanolamine recirculation assembly and the charging aperture of injector are connected, three top device in Gas generating apparatus are connected by the charging aperture side sidewall of unstripped gas pipeline and injector, the discharging opening three of separator is connected with the charging aperture of amine liquid recover, the charging aperture of the discharging opening that amine liquid recover reaches and PSA fine de-sulfur assembly is connected, the weakly stable matter outlet for product of PSA fine de-sulfur assembly is connected with burning pipe network, and the strong adsorbate outlet for product of PSA fine de-sulfur assembly and unstripped gas pipeline are connected.
For making the present invention more be suitable for practicality, make further improvements below:
Described PSA fine de-sulfur assembly is two groups of uses in parallel, wherein often group comprises adsorption tower, pressurising tower, forward bleeds off pressure tower and purge column, wherein adsorption tower comprises charging aperture, weakly stable matter outlet for product and stripping gas discharging opening, the discharging opening that the charging aperture of adsorption tower and amine liquid recover reach is connected, weakly stable matter outlet for product is connected with burning pipe network, and stripping gas discharging opening and pressurising tower are connected; Pressurising tower, respectively with adsorption tower with forward bleed off pressure tower and connect, forward bleeds off pressure tower and connects with purge column and pressurising tower respectively; Purge column comprises purge gas feeding mouth and strong adsorbate outlet for product, purge gas feeding mouth with forward bleed off pressure tower and connect, strong adsorbate outlet for product and unstripped gas pipeline are connected.
Described PSA fine de-sulfur assembly is set at least two groups.Carry out respectively adsorbing and regenerating switchover operation.
Stripping gas surge tank is provided with between described strong adsorbate outlet for product and unstripped gas pipeline.For reducing the impact of stripping gas flowed fluctuation on injector.
Booster fan is provided with between described strong adsorbate outlet for product and surge tank.For carrying out supercharging to resolution gas.
Described serotonin liquid regeneration module comprises rich amine solution pump, amine liquid regenerator and poor amine liquid pump, and the material that discharging opening one exports is delivered to amine liquid regenerator by rich amine solution pump, is delivered to charging aperture one through the reacted liquid material of amine liquid regenerator by poor amine liquid pump.
The reacted gas material of described amine liquid regenerator is delivered to refinery's Cross unit by top pipeline.
Described amine liquid regenerator provides reaction needed temperature by steam unit.
Described methyl diethanolamine recirculation assembly comprises cooler and circulating pump, and discharging opening two outputting material sends into injector charging aperture by circulating pump after supercooling.
Gas product surge tank is provided with between the weakly stable matter outlet for product of described PSA fine de-sulfur assembly and burning pipe network.
Beneficial effect of the present invention is: structure of the present invention is simple, reasonable in design, exert pressure spouting for the methyl diethanolamine in injector by circulating pump, negative pressure is formed in injector when spraying, thus the three top device in Gas produced by three top device in Gas generating apparatus suck (siphon principle), three top device in Gas are inhaled into and mix with methyl diethanolamine rapidly afterwards, reach the effect of fully reaction supercharging further, complete equipment is made not need additionally to prepare booster fan again, reduce energy consumption, break away from because of sulfur content excessive pressurisation lectotype selection difficulty.The spouting gas-liquid mixed material of jet under high pressure enters separator and is separated, and the gas after separation carries out fine de-sulfur operation, the rich amine solution after separation carries out regenerating, be separated after have neither part nor lot in the methyl diethanolamine cooling of reaction after continue to recycle; The poor amine liquid that rich amine solution after regeneration produces continues to recycle, regenerate after rich hydrogen sulfide gas enter refinery's Cross unit process.By adding the further fine de-sulfur of PSA fine de-sulfur assembly after the thick desulfurization of injecting type supercharging, and stripping gas is sent back to unstripped gas and carry out circulation desulfurization, to reach the object of high-purity desulfurization.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is cyclone separator arrangement schematic diagram.
Fig. 3 is PSA fine de-sulfur modular construction schematic diagram.
Reference numeral: 1-tri-pushes up device in Gas generating apparatus, 2-injector, 3-amine liquid recover, 4-separator, 4a-charging aperture one, 4b-charging aperture two, 4c-discharging opening three, 4d-discharging opening one, 4e-discharging opening two, 5-methyl diethanolamine recirculation assembly, 5a-cooler, 5b-circulating pump, 6-steam unit, 7-serotonin liquid regeneration module, 7a-rich amine solution pump, 7b-regenerator, the poor amine liquid pump of 7c-, 8-booster fan, 9-stripping gas surge tank, 10-Cross unit, 11-PSA fine de-sulfur assembly, 11a-adsorption tower, 11b-forward bleeds off pressure tower, 11c-purge column, 11d-pressurising tower, 12-gas product surge tank, 13-burns pipe network, 14-unstripped gas pipeline.
Detailed description of the invention
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of PSA circulating desulfurization device being applicable to refinery, comprise injector 2, separator 4, serotonin liquid regeneration module 7, methyl diethanolamine recirculation assembly 5 and PSA fine de-sulfur assembly 11, wherein separator 4 comprises two charging apertures and three discharging openings, serotonin liquid regeneration module 7 charging aperture, discharging opening respectively with discharging opening one 4d of separator 4, charging aperture one 4a connects, the jet of injector 2 and charging aperture two 4b of separator 4 connect, the charging aperture of methyl diethanolamine recirculation assembly 5 and discharging opening two 4e of separator 4 connect, the discharging opening of methyl diethanolamine recirculation assembly 5 and the charging aperture of injector 2 are connected, three top device in Gas generating apparatus 1 are connected by the charging aperture one 4a side sidewall of unstripped gas pipeline 14 with injector 2, discharging opening three 4c of separator 4 and the charging aperture of amine liquid recover 3 are connected, the charging aperture of the discharging opening that amine liquid recover 3 reaches and PSA fine de-sulfur assembly 11 is connected, the weakly stable matter outlet for product of PSA fine de-sulfur assembly 11 is connected with burning pipe network 13, and the strong adsorbate outlet for product of PSA fine de-sulfur assembly 11 and unstripped gas pipeline 14 are connected.
Described PSA fine de-sulfur assembly 11 is two groups of uses in parallel, wherein often group comprises adsorption tower 11a, pressurising tower 11d, forward bleeds off pressure tower 11b and purge column 11c, wherein adsorption tower 11a comprises charging aperture, weakly stable matter outlet for product and stripping gas discharging opening, the discharging opening that the charging aperture of adsorption tower 11a and amine liquid recover 3 reach is connected, weakly stable matter outlet for product is connected with burning pipe network 13, and stripping gas discharging opening and pressurising tower 11d connect; Pressurising tower 11d, respectively with adsorption tower 11a with forward bleed off pressure tower 11b and connect, forward bleeds off pressure tower 11b and connects with purge column 11c and pressurising tower 11d respectively; Purge column 11c comprises purge gas feeding mouth and strong adsorbate outlet for product, purge gas feeding mouth with forward bleed off pressure tower 11b and connect, strong adsorbate outlet for product and unstripped gas pipeline 14 are connected.Described PSA fine de-sulfur assembly 11 is set at least two groups.Carry out respectively adsorbing and regenerating switchover operation.Stripping gas surge tank 9 is provided with between described strong adsorbate outlet for product and unstripped gas pipeline 14.For reducing the impact of stripping gas flowed fluctuation on injector 2.Booster fan 8 is provided with between described strong adsorbate outlet for product and surge tank.For carrying out supercharging to resolution gas.Described serotonin liquid regeneration module 7 comprises rich amine solution pump 7a, amine liquid regenerator 7b and poor amine liquid pump 7c, the material that discharging opening one 4d exports is delivered to amine liquid regenerator 7b by rich amine solution pump 7a, is delivered to charging aperture one 4a through the reacted liquid material of amine liquid regenerator 7b by poor amine liquid pump 7c.The reacted gas material of described amine liquid regenerator 7b is delivered to refinery's Cross unit 10 by top pipeline.Described amine liquid regenerator 7b provides reaction needed temperature by steam unit 6.Described methyl diethanolamine recirculation assembly 5 comprises cooler 5a and circulating pump 5b, and discharging opening two 4e outputting material sends into injector 2 charging aperture by circulating pump 5b after supercooling.Gas product surge tank 12 is provided with between the weakly stable matter outlet for product of described PSA fine de-sulfur assembly 11 and burning pipe network 13.
Exert pressure spouting for the methyl diethanolamine in injector 2 by circulating pump 5b, negative pressure is formed in injector 2 when spraying, thus the three top device in Gas produced by three top device in Gas generating apparatus 1 suck (siphon principle), three top device in Gas are inhaled into and mix with methyl diethanolamine rapidly afterwards, reach the effect of fully reaction supercharging further, make complete equipment not need additionally to prepare booster fan 8 again, reduce energy consumption, break away from because of sulfur content excessive pressurisation lectotype selection difficulty.The spouting gas-liquid mixed material of jet under high pressure enters separator 4 and is separated, and the gas after separation carries out fine de-sulfur operation, the rich amine solution after separation carries out regenerating, be separated after have neither part nor lot in the methyl diethanolamine cooling of reaction after continue to recycle; The poor amine liquid that rich amine solution after regeneration produces continues to recycle, regenerate after rich hydrogen sulfide gas enter refinery's Cross unit 10 and process.By adding the further fine de-sulfur of PSA fine de-sulfur assembly 11 after the thick desulfurization of injecting type supercharging, and stripping gas is sent back to unstripped gas and carry out circulation desulfurization, to reach the object of high-purity desulfurization.
In the course of the work, exerted pressure by circulating pump 5b, methyl diethanolamine sprays by injector 2, and the three top device in Gas utilizing siphon principle to be produced by three top device in Gas generating apparatus 1 suck injector 2 and mix with the methyl diethanolamine in injector 2.The methyl diethanolamine of high pressure after mixing and three top device in Gas are sprayed into separator 4 from charging aperture two 4b by the jet of injector 2, and separator 4 is divided into methyl diethanolamine and the reacted rich amine solution of three top device in Gas, unreacted liquid and unreacting gas; Rich amine solution is sent into regenerator 7b by rich amine solution pump 7a and is carried out reversible reaction, and generate poor amine liquid and H 2 S-containing gas, poor amine liquid is conveyed into separator 4 charging aperture one 4a by poor amine liquid pump 7c and reuses, and H 2 S-containing gas sends into refinery's Cross unit 10; Unreacted liquid is sent into injector 2 by circulating pump 5b and is reused after cooling.Unreacting gas is further fine de-sulfur send into PSA fine de-sulfur assembly 11 after amine liquid recover 3 is separated after, the weakly stable matter gas product obtained after fine de-sulfur is by sending into burning pipe network 13 after gas product surge tank 12, strong Adsorbate Gas is sent unstripped gas pipeline 14 back to and carried out circulation desulfurization after the regeneration of PSA fine de-sulfur assembly 11.After adsorption process terminates, along absorption direction the gas of elevated pressures in adsorption tower put into the process of adsorption tower that other has completed regeneration, lower pressure, this process is not only step-down, resolving, reclaim the process of active principle (hydrogen sulfide) in adsorption tower bed dead space especially, terminate at equal pressure drop process, adsorb forward position and export close to bed, now against absorption direction, adsorption column pressure is down to close to normal pressure, started to desorb in a large number from adsorbent by the impurity adsorbed, stripping gas goes to spraying system front end.By inverse put step, adsorbent obtains partial regeneration.After evacuation process completes, successively this adsorption tower is boosted with the elevated pressures gas from other adsorption tower, this process is corresponding with drop pressure process, is not only adsorption tower boost process, and is the process of the bed dead space gas reclaiming other adsorption tower.After the equal voltage rise process of secondary completes, pressure in adsorption tower does not also reach adsorptive pressure, adsorb next time in order to adsorption tower switches to reposefully and ensure that purity of product gas and pressure do not fluctuate in this course, needing slowly and reposefully with decarbonization gas, adsorption column pressure to be risen to adsorptive pressure by boost adjusted valve.After this process, adsorption tower just completes complete " adsorption-regeneration " circulation, again for absorption is next time got ready.
Claims (10)
1. one kind is applicable to the PSA circulating desulfurization device of refinery, it is characterized in that: comprise injector (2), separator (4), serotonin liquid regeneration module (7), methyl diethanolamine recirculation assembly (5) and PSA fine de-sulfur assembly (11), wherein separator (4) comprises two charging apertures and three discharging openings, serotonin liquid regeneration module (7) charging aperture, discharging opening respectively with the discharging opening one (4d) of separator (4), charging aperture one (4a) is connected, the jet of injector (2) and the charging aperture two (4b) of separator (4) are connected, the charging aperture of methyl diethanolamine recirculation assembly (5) and the discharging opening two (4e) of separator (4) are connected, the discharging opening of methyl diethanolamine recirculation assembly (5) and the charging aperture of injector (2) are connected, three tops device in Gas generating apparatus (1) are connected by charging aperture one (4a) the side sidewall of unstripped gas pipeline and injector (2), the discharging opening three (4c) of separator (4) and the charging aperture of amine liquid recover (3) are connected, the charging aperture of the discharging opening that amine liquid recover (3) reaches and PSA fine de-sulfur assembly (11) is connected, the weakly stable matter outlet for product of PSA fine de-sulfur assembly (11) is connected with burning pipe network (13), and strong adsorbate outlet for product and the unstripped gas pipeline (14) of PSA fine de-sulfur assembly (11) are connected.
2. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, it is characterized in that: described PSA fine de-sulfur assembly (11) is two groups of uses in parallel, wherein often group comprises adsorption tower (11a), pressurising tower (11d), forward bleed off pressure tower (11b) and purge column (11c), wherein adsorption tower (11a) comprises charging aperture, weakly stable matter outlet for product and stripping gas discharging opening, the discharging opening that the charging aperture of adsorption tower (11a) and amine liquid recover (3) reach is connected, weakly stable matter outlet for product is connected with burning pipe network (13), stripping gas discharging opening and pressurising tower (11d) are connected, pressurising tower (11d), respectively with adsorption tower (11a) with forward bleed off pressure tower (11b) and connect, forward bleeds off pressure tower (11b) and connects with purge column (11c) and pressurising tower (11d) respectively, purge column (11c) comprises purge gas feeding mouth and strong adsorbate outlet for product, purge gas feeding mouth with forward bleed off pressure tower (11b) and connect, strong adsorbate outlet for product and unstripped gas pipeline (14) are connected.
3. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, is characterized in that: described PSA fine de-sulfur assembly (11) is set at least four groups.
4. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, is characterized in that: be provided with stripping gas surge tank (9) between described strong adsorbate outlet for product and unstripped gas pipeline (14).
5. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, is characterized in that: be provided with booster fan (8) between described strong adsorbate outlet for product and surge tank.
6. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, it is characterized in that: described serotonin liquid regeneration module (7) comprises rich amine solution pump (7a), amine liquid regenerator (7b) and poor amine liquid pump (7c), the material that discharging opening one (4d) exports is delivered to amine liquid regenerator (7b) by rich amine solution pump (7a), is delivered to charging aperture one (4a) through amine liquid regenerator (7b) reacted liquid material by poor amine liquid pump (7c).
7. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, is characterized in that: the reacted gas material of described amine liquid regenerator (7b) is delivered to refinery's Cross unit (10) by top pipeline.
8. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, is characterized in that: described amine liquid regenerator (7b) provides reaction needed temperature by steam unit (6).
9. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, it is characterized in that: described methyl diethanolamine recirculation assembly (5) comprises cooler (5a) and circulating pump (5b), and discharging opening two (4e) outputting material sends into injector (2) charging aperture by circulating pump (5b) after supercooling.
10. a kind of PSA circulating desulfurization device being applicable to refinery as claimed in claim 1, is characterized in that: be provided with gas product surge tank (12) between the weakly stable matter outlet for product of described PSA fine de-sulfur assembly (11) and burning pipe network (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510201387.1A CN104801149A (en) | 2015-04-24 | 2015-04-24 | PSA circulating desulfurization equipment suitable for refinery plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510201387.1A CN104801149A (en) | 2015-04-24 | 2015-04-24 | PSA circulating desulfurization equipment suitable for refinery plant |
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| Publication Number | Publication Date |
|---|---|
| CN104801149A true CN104801149A (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510201387.1A Pending CN104801149A (en) | 2015-04-24 | 2015-04-24 | PSA circulating desulfurization equipment suitable for refinery plant |
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| CN (1) | CN104801149A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868394Y (en) * | 2005-12-31 | 2007-02-14 | 杭州西湖真空设备厂 | Top-reducing pressurized desulfurizing complete equipment |
| CN102489083A (en) * | 2011-12-13 | 2012-06-13 | 四川天一科技股份有限公司 | Purification method for tail gas of calcium carbide furnace |
| US20130125756A1 (en) * | 2008-07-17 | 2013-05-23 | Air Products And Chemicals, Inc. | Gas Purification by Adsorption of Hydrogen Sulfide |
-
2015
- 2015-04-24 CN CN201510201387.1A patent/CN104801149A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2868394Y (en) * | 2005-12-31 | 2007-02-14 | 杭州西湖真空设备厂 | Top-reducing pressurized desulfurizing complete equipment |
| US20130125756A1 (en) * | 2008-07-17 | 2013-05-23 | Air Products And Chemicals, Inc. | Gas Purification by Adsorption of Hydrogen Sulfide |
| CN102489083A (en) * | 2011-12-13 | 2012-06-13 | 四川天一科技股份有限公司 | Purification method for tail gas of calcium carbide furnace |
Non-Patent Citations (2)
| Title |
|---|
| 陈斌等: "《石油化工手册第一分册》", 30 November 1998 * |
| 黄建彬: "《工业气体手册》", 31 March 2002 * |
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Application publication date: 20150729 |