CN105879606B - A kind of stifled system of the anti-sulphur based on wet oxidation reduction and desulfurization process - Google Patents
A kind of stifled system of the anti-sulphur based on wet oxidation reduction and desulfurization process Download PDFInfo
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- CN105879606B CN105879606B CN201610392221.7A CN201610392221A CN105879606B CN 105879606 B CN105879606 B CN 105879606B CN 201610392221 A CN201610392221 A CN 201610392221A CN 105879606 B CN105879606 B CN 105879606B
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- regenerator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/73—After-treatment of removed components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/96—Regeneration, reactivation or recycling of reactants
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- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of anti-sulphur based on wet oxidation reduction and desulfurization process to block up system, including separator, absorption tower, flash tank, regenerator, circulating pump, air blower, centrifuge, lean solution tank and sulfur foam tank, separator is connected with the air inlet on absorption tower, the rich solution outlet on absorption tower is connected with the feed inlet of flash tank, and the discharge port of flash tank is connected with the feed inlet of regenerator；The lean solution outlet of regenerator is connected with lean solution tank, and lean solution tank is connected through first pipe with the lean solution entrance on absorption tower；The top of regenerator is connected to the entrance of sulfur foam tank, and the outlet of sulfur foam tank is connected to the feed inlet of centrifuge；Cleaning solution import is offered on absorption tower, desulphurization system further includes second pipe, and the entrance of second pipe is connected to first pipe, the outlet of second pipe and the cleaning solution inlet communication on absorption tower.The present invention installs clean-up line respectively in the bottom of tower on absorption tower and regenerator, is periodically rinsed to absorption tower and regenerator, it is therefore prevented that drusen adheres to precipitation in the tower wall of absorption tower and regenerator.
Description
Technical field
The present invention relates to wet oxidation desulfurization techniques, and in particular to a kind of anti-based on wet oxidation reduction and desulfurization process
Sulphur blocks up system.
Background technology
Wet oxidation reduction and desulfurization method be it is a kind of using the solution containing the carrier of oxygen by the H in natural gas2S is oxidized to element
Sulphur and the regenerated selexol process method of carrier of oxygen oxidation by air.It was absorbed in conventional wet type oxidation-reduction process technique
Journey and regenerative process carry out in two reactors in absorption tower and regenerator respectively, the amine method with generally use in natural gas purification
Or sulfone amine desulfurization-Claus sulfur recovery-vent gas treatment route is compared, its main feature is that a step is by H2S is converted into simple substance S,
This method has the advantages that flow is simple, investment is relatively low.But due to containing solid phase sulphur in desulfuration solution, sulphur speed is analysed than amine method
Soon, sulphur is caused to have little time to recycle, there are sulphur to block up problem, influences the lasting safe operation of equipment；Also, sulphur need to stop production pair when stifled
Equipment is cleaned, this also results in prodigious economic loss.
Invention content
The technical problem to be solved by the present invention is to, in view of the deficiencies of the prior art, provide one kind can periodic flushing equipment, have
The anti-sulphur based on wet oxidation reduction and desulfurization process that effect prevents sulphur stifled blocks up system.
The technical solution adopted by the present invention is：A kind of stifled system of the anti-sulphur based on wet oxidation reduction and desulfurization process, including
Separator, absorption tower, flash tank, regenerator, circulating pump, air blower, centrifuge, lean solution tank and sulfur foam tank, the separation
The entrance of device is connected to sulfur-containing gas pipeline, and the outlet of separator is connected with the air inlet on absorption tower, the gas outlet on absorption tower
It is connected with the purification feed channel of peripheral hardware, the rich solution outlet on absorption tower is connected with the feed inlet of flash tank, the gas vent of flash tank
It is connected with flash distillation feed channel, the discharge port of flash tank is connected with the feed inlet of regenerator；Regenerator lean solution outlet through pipeline with
Lean solution tank is connected, and lean solution tank is connected with the entrance of circulating pump, and the outlet of circulating pump is entered by the lean solution on first pipe and absorption tower
Mouth is connected；The top of regenerator is connected to the entrance of sulfur foam tank, and the outlet of sulfur foam tank and the feed inlet of centrifuge connect
Logical, the discharge port of centrifuge is connected with the storage sulphur equipment of peripheral hardware, and the liquid outlet of centrifuge is connected with lean solution tank；The absorption tower
On offer cleaning solution import, the desulphurization system further includes second pipe, and the entrance of second pipe is connected to first pipe,
The outlet of two pipelines and the cleaning solution inlet communication on absorption tower.
By said program, flushing liquor import is offered on the regenerator, the desulphurization system further includes third pipeline, the
The entrance of three pipelines is connected to first pipe, the outlet of third pipeline and the flushing liquor inlet communication of regenerator.
By said program, the bottom on the absorption tower is equipped with the first conical head.
By said program, the cleaning solution import on the absorption tower is opened in the top of the first conical head；The absorption tower
Rich solution outlet be opened in the bottom of the first conical head.
By said program, the bottom of the regenerator is provided with the second conical head.
By said program, the flushing liquor import of the regenerator is opened in the top of the second conical head, the regenerator
Lean solution outlet be opened in the bottom of the second conical head.
By said program, be installed on elevator pump on the pipeline that regenerator is connected to lean solution tank, elevator pump by pipeline with
The top of regenerator is connected to.
Beneficial effects of the present invention are：
1, it is separately installed with clean-up line in the bottom of tower on absorption tower and regenerator, two groups of clean-up lines are with from regenerator stream
The doctor solution lean solution gone out is flushing liquor, periodically carries out circulation flushing to absorption tower and regenerator respectively, it is therefore prevented that drusen exists
Adhere to precipitation in the tower wall of absorption tower and regenerator, guarantee is provided for the safe operation of system；Two groups of clean-up lines do not introduce
Other flushing liquors make full use of the circulation liquid in system, and can be rinsed in the case of not parking, ensure that desulfurization system
The lasting Effec-tive Function of system is avoided due to the economic loss that sulphur is stifled or rinses parking and brings.
2, absorption tower and regenerator respectively use conical head, go out liquid from end socket bottom, shorten drusen in tower
The interior residence time is conducive to sulphur simple substance and is quickly discharged outside tower, reduces the chance that drusen is attached to tower wall, avoids sulphur
Sulphur accumulates in bottom of tower and blocks liquid outlet.
3, a part of lean solution for regenerating tower bottom discharge is promoted to regeneration column overhead by elevator pump, makes the residual sulfur in lean solution
Sulphur becomes sulfur foam and is discharged from the tower top of regenerator, on the one hand avoids blocking up in bottom of tower attachment precipitation generation tower, on the other hand
Greatly reduce the content of sulphur simple substance in lean solution.
Description of the drawings
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention.
Wherein：1, separator；2, absorption tower；2.1, the first conical head；3, flash tank；4, regenerator；4.1, the second cone
Shape end socket；5, sulfur foam tank；6, centrifuge；7, lean solution tank；8, circulating pump；9, air blower；10, elevator pump；11, the first pipe
Road；12, second pipe；13, third pipeline.
Specific implementation mode
For a better understanding of the present invention, the present invention is further described in the following with reference to the drawings and specific embodiments.
A kind of anti-sulphur based on wet oxidation reduction and desulfurization process as shown in Figure 1 blocks up system, including separator 1, absorption
Tower 2, flash tank 3, regenerator 4, circulating pump 8, air blower 9, centrifuge 6, lean solution tank 7 and sulfur foam tank 5, separator 1 enter
Mouthful be connected with sulfur-containing gas pipeline, the outlet of separator 2 is connected with the air inlet on absorption tower 2, the gas outlet on absorption tower 2 and outside
If purification feed channel be connected, the rich solution outlet on absorption tower 2 is connected with the feed inlet of flash tank 3, the gas vent of flash tank 3 and
Feed channel is flashed to be connected；The discharge port of flash tank 3 is connected with the feed inlet of regenerator 4, the outlet of the lean solution of regenerator 4 through pipeline with
Lean solution tank 7 is connected；Lean solution tank 7 is connected with the entrance of circulating pump 8, and the outlet of circulating pump 8 passes through first pipe 11 and absorption tower 2
Lean solution entrance is connected；The top of regenerator 4 is connected to the entrance of sulfur foam tank 5, outlet and the centrifuge 6 of sulfur foam tank 5
Feed inlet connection, the discharge port of centrifuge 6 is connected with the storage sulphur equipment of peripheral hardware, liquid outlet and 7 phase of lean solution tank of centrifuge 6
Even
Cleaning solution import is offered on absorption tower 2, the desulphurization system further includes second pipe 12, second pipe 12
Entrance is connected to first pipe 11, the outlet of second pipe 12 and the cleaning solution inlet communication on absorption tower 2；It is opened on regenerator 4
Equipped with flushing liquor import, the desulphurization system further includes third pipeline 13, and the entrance of third pipeline 13 is connected to first pipe 11,
The outlet of third pipeline 13 and the flushing liquor inlet communication of regenerator 4.Second pipe 12 is the clean-up line on absorption tower 2, third
Pipeline 13 is the clean-up line of regenerator 4.Other flushing liquors are not introduced, the circulation liquid in system are made full use of, not parking
In the case of, two groups of clean-up lines are using the doctor solution lean solution flowed out from regenerator 4 as flushing liquor, respectively periodically to absorption tower 2
Circulation flushing is carried out with regenerator 4, it is therefore prevented that drusen adheres to precipitation in the tower wall of absorption tower 2 and regenerator 4.
The bottom on absorption tower 2 is equipped with the first conical head 2.1, and the cleaning solution import on absorption tower 2 is opened in the first taper envelope
First 2.1 top；The rich solution outlet on absorption tower 2 is opened in the bottom of the first conical head 2.1；The bottom of regenerator 4 is provided with
Second conical head 4.1, the flushing liquor import of regenerator 4 are opened in the top of the second conical head 4.1, the lean solution of regenerator 4
Outlet is opened in the bottom of the second conical head 4.1.Respectively conical head is arranged in bottom in absorption tower 2 and regenerator 4, from envelope
Head bottom goes out liquid, shortens residence time of the drusen in tower, is conducive to sulphur simple substance and is quickly discharged outside tower, reduce sulphur
Particle is attached to the chance of tower wall, avoids sulphur and accumulates blocking liquid outlet in bottom of tower.
Elevator pump 10 is installed on the pipeline that regenerator 4 is connected to lean solution tank 7, elevator pump 10 passes through pipeline and regenerator
4 top connection, recycles bottom belt drusen lean solution.A part of lean solution that 4 bottom of regenerator is discharged elevator pump 10 is promoted
To 4 tower top of regenerator, so that the remaining sulphur in lean solution is become sulfur foam and be discharged from the tower top of regenerator 4, on the one hand avoided
Bottom of tower attachment precipitation generates tower and blocks up, and has on the other hand been greatly reduced the content of sulphur simple substance in lean solution.
The stifled wet oxidation reduction and desulfurization system process of anti-sulphur provided by the invention is as follows：Sulfur-containing gas is through separation
After 1 initial gross separation of device, into absorption tower 2, the sulphur in natural gas becomes purified gas after being absorbed by the doctor solution in absorption tower 2, from
Purify feed channel discharge；Doctor solution in absorption tower 2 becomes rich solution after absorbing sulphur and has the generation of part sulphur simple substance, contains sulphur simple substance
Rich solution quickly from the bottom on absorption tower 2 be discharged, through flash tank 3 flash distillation decompression after, into after regenerator 4；Air blower 9 is to regeneration
Air oxidation is blasted in tower 4, rich solution is regenerated as lean solution in regenerator 4, is discharged from the bottom of regenerator 4 by elevator pump 10；
Part lean solution back flows back into regenerator 4 and carries out desulfurization regeneration, and part lean solution enters lean liquid tank 7；Into the lean solution warp in lean solution tank 7
Circulating pump 8 partly returns to 2 circulation desulfurization of absorption tower after being promoted, and the cleaning solution import on absorption tower 2 is partly entered through second pipe 12,
Absorption tower 2 is rinsed, the flushing liquor import of regenerator 4 is partly entered through third pipeline 13, regenerator 4 is rinsed；
Sulphur simple substance in regenerator 4 forms sulfur foam under the air effect that air blower 9 blasts, and sulphur is drained into from the top of regenerator 4
Sulphur foam tank 5, becomes sulphur discharge after entering centrifuge 6 and being dehydrated, and the moisture that sulfur foam removes in centrifuge 6 enters poor
Liquid bath 7.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process blocks up system, including separator, absorption tower, flash tank, regeneration
Tower, circulating pump, air blower, centrifuge, lean solution tank and sulfur foam tank, entrance and the sulfur-containing gas pipeline of the separator connect
Logical, the outlet of separator is connected with the air inlet on absorption tower, and the gas outlet on absorption tower is connected with the purification feed channel of peripheral hardware, absorbs
The rich solution outlet of tower is connected with the feed inlet of flash tank, and the gas vent of flash tank is connected with flash distillation feed channel, and flash tank goes out
Material mouth is connected with the feed inlet of regenerator；The lean solution outlet of regenerator is connected through pipeline with lean solution tank, lean solution tank and circulating pump
Entrance is connected, and the outlet of circulating pump is connected by first pipe with the lean solution entrance on absorption tower；It is steeped with sulphur at the top of regenerator
The entrance of foam slot is connected to, and the outlet of sulfur foam tank is connected to the feed inlet of centrifuge, the storage of the discharge port and peripheral hardware of centrifuge
Sulphur equipment is connected, and the liquid outlet of centrifuge is connected with lean solution tank；It is characterized in that, offered on the absorption tower cleaning solution into
Mouthful, the anti-sulphur block up system further include second pipe, the entrance of second pipe is connected to first pipe, the outlet of second pipe and
The cleaning solution inlet communication on absorption tower.
2. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process as described in claim 1 blocks up system, which is characterized in that institute
It states and offers flushing liquor import on regenerator, it further includes third pipeline, the entrance of third pipeline and first that the anti-sulphur, which blocks up system,
Pipeline is connected to, the outlet of third pipeline and the flushing liquor inlet communication of regenerator.
3. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process as described in claim 1 blocks up system, which is characterized in that institute
The bottom for stating absorption tower is equipped with the first conical head.
4. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process as claimed in claim 3 blocks up system, which is characterized in that institute
The cleaning solution import for stating absorption tower is opened in the top of the first conical head；The rich solution outlet on the absorption tower is opened in the first cone
The bottom of shape end socket.
5. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process as claimed in claim 2 blocks up system, which is characterized in that institute
The bottom for stating regenerator is provided with the second conical head.
6. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process as claimed in claim 5 blocks up system, which is characterized in that institute
The flushing liquor import for stating regenerator is opened in the top of the second conical head, and the lean solution outlet of the regenerator is opened in the second cone
The bottom of shape end socket.
7. a kind of anti-sulphur based on wet oxidation reduction and desulfurization process as described in claim 1 blocks up system, which is characterized in that
Elevator pump is installed on the pipeline that regenerator is connected to lean solution tank, elevator pump is connected to by pipeline with the top of regenerator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610392221.7A CN105879606B (en) | 2016-06-03 | 2016-06-03 | A kind of stifled system of the anti-sulphur based on wet oxidation reduction and desulfurization process |
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| CN201610392221.7A CN105879606B (en) | 2016-06-03 | 2016-06-03 | A kind of stifled system of the anti-sulphur based on wet oxidation reduction and desulfurization process |
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| CN105879606A CN105879606A (en) | 2016-08-24 |
| CN105879606B true CN105879606B (en) | 2018-07-17 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669402A (en) * | 2016-11-23 | 2017-05-17 | 四川沃兹凯兰科技有限公司 | Gas field sulfur-containing waste gas treatment method |
| CN108686474B (en) * | 2017-04-12 | 2021-01-29 | 北京华石联合能源科技发展有限公司 | Efficient desulfurization and regeneration integrated system using suspension bed |
| CN108686488B (en) * | 2017-04-12 | 2021-01-01 | 北京华石联合能源科技发展有限公司 | Suspension bed wet desulphurization and regeneration integrated system |
| CN107460014B (en) * | 2017-05-23 | 2024-03-08 | 四川西油致诚石油技术有限公司 | Natural gas desulfurization process device |
| CN107446642A (en) * | 2017-09-05 | 2017-12-08 | 四川沃兹凯兰科技有限公司 | A kind of efficient natural desulfurization system and its sulfur removal technology |
| CN108179044A (en) * | 2017-11-22 | 2018-06-19 | 中石化石油工程技术服务有限公司 | Regenerative sulfur binding system with pressure based on wet type oxidation-reduction process |
| CN110484308A (en) * | 2019-08-27 | 2019-11-22 | 北京北科环境工程有限公司 | A kind of blast furnace gas BKRP desulphurization system |
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| CN203090756U (en) * | 2013-01-31 | 2013-07-31 | 江苏金润环境科技有限公司 | Desulphurization device for hydrogen sulfide-containing gas |
| EP2760783A1 (en) * | 2011-09-27 | 2014-08-06 | Thermochem Recovery International, Inc. | System and method for syngas clean-up |
| CN104043326A (en) * | 2014-06-04 | 2014-09-17 | 北京化工大学 | Apparatus for high gravity removal of hydrogen sulfide of novel industrial gas, and technology thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04300627A (en) * | 1991-03-29 | 1992-10-23 | Mitsubishi Materials Corp | Method for preventing clogging of flue |
| EP2760783A1 (en) * | 2011-09-27 | 2014-08-06 | Thermochem Recovery International, Inc. | System and method for syngas clean-up |
| CN203090756U (en) * | 2013-01-31 | 2013-07-31 | 江苏金润环境科技有限公司 | Desulphurization device for hydrogen sulfide-containing gas |
| CN104043326A (en) * | 2014-06-04 | 2014-09-17 | 北京化工大学 | Apparatus for high gravity removal of hydrogen sulfide of novel industrial gas, and technology thereof |
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Address after: No.38-2, Tangxun Hubei Road, Donghu New Technology Development Zone, Wuhan, Hubei 430223 Patentee after: SINOPEC PETROLEUM ENGINEERING JIANGHAN Corp. Address before: No.38-2, Tangxun Hubei Road, Donghu New Technology Development Zone, Wuhan, Hubei 430223 Patentee before: SINOPEC ENERGY CONSERVATION AND ENVIRONMENTAL PROTECTION ENGINEERING TECHNOLOGY Co.,Ltd. |
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