CN104815530A - Jet-type membrane-filtering fine-desulfuration device suitable for refinery plant - Google Patents
Jet-type membrane-filtering fine-desulfuration device suitable for refinery plant Download PDFInfo
- Publication number
- CN104815530A CN104815530A CN201510225209.2A CN201510225209A CN104815530A CN 104815530 A CN104815530 A CN 104815530A CN 201510225209 A CN201510225209 A CN 201510225209A CN 104815530 A CN104815530 A CN 104815530A
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- China
- Prior art keywords
- discharging opening
- separator
- membrane filtration
- gas
- charging aperture
- Prior art date
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- 238000006477 desulfuration reaction Methods 0.000 title abstract description 7
- 238000001914 filtration Methods 0.000 title abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 150000001412 amines Chemical class 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 25
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 claims abstract description 25
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims abstract description 15
- 230000008929 regeneration Effects 0.000 claims abstract description 14
- 238000011069 regeneration method Methods 0.000 claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 39
- 238000005374 membrane filtration Methods 0.000 claims description 32
- QZAYGJVTTNCVMB-UHFFFAOYSA-N serotonin Chemical compound C1=C(O)C=C2C(CCN)=CNC2=C1 QZAYGJVTTNCVMB-UHFFFAOYSA-N 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 239000011593 sulfur Substances 0.000 claims description 18
- 229940076279 serotonin Drugs 0.000 claims description 10
- 239000011344 liquid material Substances 0.000 claims description 3
- 238000011175 product filtration Methods 0.000 claims description 3
- 238000004781 supercooling Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 3
- 230000023556 desulfurization Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 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
- 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
- 238000004148 unit process Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a jet-type membrane-filtering fine-desulfuration device suitable for a refinery plant, wherein the device includes: an ejector, a separator, a composite amine liquid regeneration assembly, a methyl diethanolamine circulating assembly and a membrane-filtering assembly. A material feeding inlet and a material discharge outlet of the composite amine liquid regeneration assembly are respectively communicated with a first material discharge outlet and a first material feeding inlet of the separator. A jet outlet of the ejector is communicated with a second material feeding inlet of the separator. The material feeding inlet of the methyl diethanolamine circulating assembly is communicated with the second material discharge outlet of the separator. The material discharge outlet of the methyl diethanolamine circulating assembly is communicated with the material feeding inlet of the ejector. A triple-top gas generating apparatus is communicated with a side wall at one side of the material feeding inlet of the ejector through a raw material pipeline. A third material discharge outlet of the separator is communicated with the material feeding inlet of an amine liquid recycle device. The material discharge outlet of the amine liquid recycle device is communicated with the material feeding inlet of the membrane-filtering assembly. A product gas discharge outlet of the membrane-filtering assembly is communicated with a combustion pipe network. A hydrogen sulfide-rich gas discharge outlet is communicated with a refinery plant Claus apparatus.
Description
Technical field
The invention belongs to desulphurization plant field, be specifically related to a kind of injecting type membrane filtration fine de-sulfur equipment 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 injecting type membrane filtration fine de-sulfur equipment being applicable to refinery of supercharging cost.
For realizing above-mentioned technical purpose, by the following technical solutions:
A kind of injecting type membrane filtration fine de-sulfur equipment being applicable to refinery, comprise injector, separator, serotonin liquid regeneration module, methyl diethanolamine recirculation assembly and membrane filtration module, 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 discharging opening that amine liquid recover reaches and membrane filtration module feeding mouth are connected, the gas filter that amine liquid recover is sent into by membrane filtration module is divided into is rich in hydrogen sulfide gas and gas product, and membrane filtration module gas product discharging opening and burning pipe network are connected, be rich in hydrogen sulfide gas discharging opening and refinery's Cross unit is connected.
For making the present invention more be suitable for practicality, make further improvements below:
Gas product surge tank is provided with between the gas product discharging opening of described membrane filtration module and burning pipe network.
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.
Described amine liquid regenerator provides reaction needed temperature by steam unit.
The reacted gas material of described amine liquid regenerator is delivered to refinery's Cross unit by top pipeline.
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.
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 membrane filtration module after the thick desulfurization of injecting type supercharging, the gas filter that amine liquid recover is sent into by membrane filtration module is divided into is rich in hydrogen sulfide gas and gas product, and will be rich in hydrogen sulfide gas feeding refinery Cross unit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is cyclone separator arrangement 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-membrane filtration module, 9-Cross unit, 10-gas product surge tank, 11-burns pipe network.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of injecting type membrane filtration fine de-sulfur equipment being applicable to refinery, comprise injector 2, separator 4, serotonin liquid regeneration module 7, methyl diethanolamine recirculation assembly 5 and membrane filtration module 8, 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 and injector 2, discharging opening three 4c of separator 4 and the charging aperture of amine liquid recover 3 are connected, the discharging opening that amine liquid recover 3 reaches and membrane filtration module 8 feeding mouth are connected, the gas filter that amine liquid recover 3 is sent into by membrane filtration module 8 is divided into is rich in hydrogen sulfide gas and gas product, and membrane filtration module 8 gas product discharging opening and burning pipe network 11 are connected, be rich in hydrogen sulfide gas discharging opening and refinery's Cross unit 9 is connected.
Gas product surge tank 10 is provided with between the gas product discharging opening of described membrane filtration module 8 and burning pipe network 11.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 9 by top pipeline.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.
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 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 9 and process.By adding membrane filtration module 8 fine de-sulfur further after the thick desulfurization of injecting type supercharging, the gas filter that amine liquid recover 3 is sent into by membrane filtration module 8 is divided into is rich in hydrogen sulfide gas and gas product, and will be rich in hydrogen sulfide gas feeding refinery Cross unit 9.Described amine liquid regenerator 7b provides reaction needed temperature by steam unit 6.
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 9; Unreacted liquid is sent into injector 2 by circulating pump 5b and is reused after cooling.Unreacting gas is sent into membrane filtration module 8 and is carried out isolated by filtration after amine liquid recover 3 is separated, the gas filter that amine liquid recover 3 is sent into by membrane filtration module 8 is divided into is rich in hydrogen sulfide gas and gas product, and gas product is sent into burning pipe network 11, is rich in hydrogen sulfide gas feeding refinery Cross unit 9.
Claims (5)
1. one kind is applicable to the injecting type membrane filtration fine de-sulfur equipment of refinery, it is characterized in that: comprise injector (2), separator (4), serotonin liquid regeneration module (7), methyl diethanolamine recirculation assembly (5) and membrane filtration module (8), 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 discharging opening that amine liquid recover (3) reaches and membrane filtration module (8) feeding mouth are connected, the gas filter that amine liquid recover (3) is sent into by membrane filtration module (8) is divided into is rich in hydrogen sulfide gas and gas product, and membrane filtration module (8) gas product discharging opening and burning pipe network (11) are connected, be rich in hydrogen sulfide gas discharging opening and refinery's Cross unit (9) is connected.
2. a kind of injecting type membrane filtration fine de-sulfur equipment being applicable to refinery as claimed in claim 1, is characterized in that: be provided with gas product surge tank (10) between the gas product discharging opening of described membrane filtration module (8) and burning pipe network (11).
3. a kind of injecting type membrane filtration fine de-sulfur equipment 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).
4. a kind of injecting type membrane filtration fine de-sulfur equipment 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 (9) by top pipeline.
5. a kind of injecting type membrane filtration fine de-sulfur equipment 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225209.2A CN104815530A (en) | 2015-05-06 | 2015-05-06 | Jet-type membrane-filtering fine-desulfuration device suitable for refinery plant |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225209.2A CN104815530A (en) | 2015-05-06 | 2015-05-06 | Jet-type membrane-filtering fine-desulfuration device suitable for refinery plant |
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| CN104815530A true CN104815530A (en) | 2015-08-05 |
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| CN201510225209.2A Pending CN104815530A (en) | 2015-05-06 | 2015-05-06 | Jet-type membrane-filtering fine-desulfuration device suitable for refinery plant |
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| CN (1) | CN104815530A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771539A (en) * | 2016-03-31 | 2016-07-20 | 四川天采科技有限责任公司 | Process for removing high-concentration hydrogen sulfide exhaust applicable to refinery plants |
| CN112272584A (en) * | 2018-04-12 | 2021-01-26 | 沙特阿拉伯石油公司 | System for flare gas recovery using gas desulfurization process |
| US11951441B2 (en) | 2017-07-18 | 2024-04-09 | Saudi Arabian Oil Company | System for flare gas recovery using gas sweetening process |
Citations (4)
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|---|---|---|---|---|
| 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 |
| CN204619685U (en) * | 2015-05-06 | 2015-09-09 | 四川天采科技有限责任公司 | A kind of injecting type membrane filtration fine de-sulfur equipment being applicable to refinery |
-
2015
- 2015-05-06 CN CN201510225209.2A patent/CN104815530A/en active Pending
Patent Citations (4)
| 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 |
| CN204619685U (en) * | 2015-05-06 | 2015-09-09 | 四川天采科技有限责任公司 | A kind of injecting type membrane filtration fine de-sulfur equipment being applicable to refinery |
Non-Patent Citations (1)
| Title |
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| 祁贵生: "《超重力湿式氧化脱除气体中硫化氢技术》", 31 December 2013 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771539A (en) * | 2016-03-31 | 2016-07-20 | 四川天采科技有限责任公司 | Process for removing high-concentration hydrogen sulfide exhaust applicable to refinery plants |
| US11951441B2 (en) | 2017-07-18 | 2024-04-09 | Saudi Arabian Oil Company | System for flare gas recovery using gas sweetening process |
| CN112272584A (en) * | 2018-04-12 | 2021-01-26 | 沙特阿拉伯石油公司 | System for flare gas recovery using gas desulfurization process |
| US11865493B2 (en) | 2018-04-12 | 2024-01-09 | Saudi Arabian Oil Company | System for flare gas recovery using gas sweetening process |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150805 |