CN106422773A - Gas hydrogen sulfide removal system and desulfurizing method thereof - Google Patents
Gas hydrogen sulfide removal system and desulfurizing method thereof Download PDFInfo
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- CN106422773A CN106422773A CN201611083248.4A CN201611083248A CN106422773A CN 106422773 A CN106422773 A CN 106422773A CN 201611083248 A CN201611083248 A CN 201611083248A CN 106422773 A CN106422773 A CN 106422773A
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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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention relates to a desulfurizing system and method, in particular to a desulfurizing method of a gas hydrogen sulfide removal system; the system comprises a wet desulfurizing column, a rich liquid tank, an ejecting regeneration tank, a dry desulfurizing column, a barren liquid tank, and a gas-water separator; the wet desulfurizing column is disposed on the barren liquid tank, the gas-water separator is mounted at the top of the wet desulfurizing column, and the barren liquid tank, the wet desulfurizing column and the gas-water separator form a wet desulfurizing column. The desulfurizing method comprises the steps of a gas process and a desulfurizing liquid process. Compared with the prior art, the system and the method have the advantages that floor area can be reduced, investment is low, desulfurizing efficiency is high, operating cost is low, and sulfur blocking is avoided.
Description
Technical field
The present invention relates to a kind of desulphurization system and technique, particularly a kind of sulfur method of gas sweetening hydrogen system.
Background technology
In recent years, with the continuous expansion of production scale of enterprise and being continuously increased for pressure of curbing environmental pollution, society
Also more and more stricter to desulfurization requirement with enterprise.Since the sixties in 20th century, with the continuous research to gas purification technique, open
The wet desulphurization method for sending has：Modified ADA method, MSQ method, tannin process, FD method, EDTA complex iron, the kind side more than 30 such as 888 methods
Method.
Content of the invention
It is an object of the invention to provide a kind of desulfuration efficiency is high, operating cost is low and no sulfur blocks up the gas of phenomenon generation
Depriving hydrogen sulphide system and sulfur method.
A kind of gas sweetening hydrogen system, including wet desulfuration tower, rich solution groove, jet regeneration tank, dry desulfurizing tower, lean solution
Groove, moisture trap, wet desulfuration tower is placed on lean liquid bath, and wet desulphurization top of tower installs moisture trap, lean liquid bath, wet method
Desulfurizing tower and moisture trap constitute the integrated tower of wet desulphurization.
Using above-mentioned skill scheme the present invention compared with prior art, using the integrated tower of wet desulphurization, occupation of land can be saved
Area, invests low.
The preferred version of gas sweetening hydrogen system is：
Wet desulfuration tower is provided with two, and the top of first wet desulfuration tower is by connecting line and second wet desulfuration tower
Bottom connects, and second wet desulfuration tower top is equipped with moisture trap.
The lean liquid bath of bottom is placed in the integrated tower of wet desulphurization by pipeline and desulfurization pump with to be placed in wet desulphurization integrated
Tower spray equipment connects, and the integrated tower of wet desulphurization is connected by pipeline with rich solution groove, rich solution groove by regeneration pump and pipeline with
The roof shooter connection of regeneration tank, regeneration tank is respectively by the lean liquid bath in pipeline and foam tank and the integrated tower of wet desulphurization even
Connect.
The integrated tower of wet desulphurization is connected with dosing tank.
Foam tank is connected with foam cell by the pipeline on top, and the pipeline of foam tank bottom is by foam pump with pressure filter even
Connect.
The sulfur method of gas sweetening hydrogen system, is carried out as follows：
（1）Gas flow process：The gas for coming from front workshop section enters the integrated tower bottom of wet desulphurization, flows from bottom to top, sprays with top
Doctor solution counter current contacting under drenching, the hydrogen sulfide in gas absorbed, and then inlet air moisture is from device, after catching out the moisture in gas
Enter back into the further fine de-sulfur of dry desulfurizing tower；
（2）Doctor solution flow process
The rich solution that draws from desulfurization tower bottom carries out, after analysis reaction of Salmon-Saxl, initially entering rich solution groove, delivers to regeneration through rich solution pump pressurization
Groove, doctor solution is regenerated；Suspension sulfur granules in rich solution are formed floatation of foam at regeneration tank top by air flotation, clear liquid with
The pressurization of desulfurization pump is flowed through after foam separation, enters desulfurization column overhead；Lean solution after absorbing hydrogen sulfide changes into rich solution inflow
Bottom of towe, finally enters rich solution groove, so circulates.
Advantage using the sulfur method of technique scheme is：With desulfuration efficiency height, operating cost is low, and no sulfur is blocked up
Advantage.
The preferred version of sulfur method is：
Doctor solution is to be mixed the solution being formulated by calcined soda for industry and catalyst, soda 18～22g/l of concentration；Catalysis
28～32mg/l of agent.
Soda concentration 20g/l in solution；Catalyst 30mg/l.
It is catalyst using 888.
Description of the drawings
The structural representation of the present invention in Fig. 1.
Fig. 2 is the structural representation of the integrated tower of wet desulphurization.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment describe in detail the present invention：
A kind of gas sweetening hydrogen system, referring to accompanying drawing 1 to accompanying drawing 2, in figure：Wet method integrated desulfurizing tower 1, the first wet desulfuration tower
101st, the second wet desulfuration tower 102, moisture trap 103, lean liquid bath 104, desulfurization pump 2, rich solution groove 3, regeneration pump 4, regeneration tank
5th, dry desulfurizing tower 6, foam tank 7, foam cell 8, foam pump 9, pressure filter 10, dosing tank 11.
In the present embodiment, wet desulfuration tower is placed on lean liquid bath, and wet desulphurization top of tower installs moisture trap, lean solution
Groove, wet desulfuration tower and moisture trap constitute the integrated tower 1 of wet desulphurization.Wet desulfuration tower is provided with two, first wet method
The top of desulfurizing tower 101 is connected with second 102 bottom of wet desulfuration tower by connecting line, second wet desulfuration tower 102
Top is equipped with moisture trap 103.
The lean liquid bath 104 for being placed in bottom in the integrated tower of wet desulphurization passes through desulfurization pump 2 and is placed in the integrated tower 1 of wet desulphurization
The moisture trap 103 on top connects, and the integrated tower of wet desulphurization is connected by pipeline with rich solution groove, rich solution groove by regeneration pump with
And pipeline is connected with the top of regeneration tank, regeneration tank is respectively by the desulfurizing tower in pipeline and foam tank and the integrated tower of wet desulphurization
Connection；The integrated tower 1 of wet desulphurization is connected with dosing tank 11.
Foam tank 7 is connected with foam cell 8 by the pipeline on top, and the pipeline of 7 bottom of foam tank is by foam pump 9 and filter pressing
Machine 10 connects.
The sulfur method of the present embodiment, is carried out as follows：
（1）Gas flow process：The gas for coming from front workshop section enters integrated 1 bottom of tower of wet desulphurization, flows from bottom to top, sprays with top
Doctor solution counter current contacting under drenching, doctor solution is to be mixed the solution being formulated by calcined soda for industry and catalyst；Soda
Concentration 20g/l；Catalyst 30mg/l；It is the wet oxidation desulfurization of catalyst using 888（Tar content≤50mg/m3, dust
Content≤50mg/m3, the optimum temperature of desulfurization is at 40 ° or so）888 methods are cobalt phthalocyanine desulfating catalyst series, with work sulfur
Rong Gao, desulfuration efficiency height, operating cost is low, the distinguishing feature such as no sulfur is stifled.Hydrogen sulfide in gas is absorbed, subsequently into air water
Separator 103, enters back into further fine de-sulfur in dry desulfurizing tower 6 after catching out the moisture in gas.
（2）Doctor solution flow process
The rich solution that draws from desulfurization tower bottom is carried out after analysis reaction of Salmon-Saxl（Analysis reaction of Salmon-Saxl refers to enter row buffering ripening in rich solution groove）,
Rich solution groove being initially entered, regeneration tank being delivered to through rich solution pump pressurization, doctor solution is regenerated；Rich solution（Lean solution becomes after absorbing hydrogen sulfide
For rich solution）In suspension sulfur granules floatation of foam is formed at regeneration tank top by air flotation, flow back after clear liquid and foam separation
Pressurize through desulfurization pump 2 to desulfurizing tower, enter desulfurization column overhead；Lean solution after absorbing hydrogen sulfide changes into rich solution and flows into tower
Bottom, finally enters rich solution groove, so circulates；Foam is pumped to foam tank post processing to foam cell by foam.
Electric control system is equipped with the present embodiment, and configuration frequency-changing control system and PLC centralized control system ensure system
Reliable, stable operation, is greatly reduced the maloperation that anthropic factor brings, while operating cost is greatly reduced；The present embodiment de-
Sulphur efficiency improves 5% than traditional handicraft, stable and reliable operation.
Claims (9)
1. a kind of gas sweetening hydrogen system, including wet desulfuration tower, rich solution groove, jet regeneration tank, dry desulfurizing tower, lean solution
Groove, moisture trap, it is characterised in that：Wet desulfuration tower is placed on lean liquid bath, and wet desulphurization top of tower installs moisture trap,
Lean liquid bath, wet desulfuration tower and moisture trap constitute the integrated tower of wet desulphurization.
2. gas sweetening hydrogen system according to claim 1, it is characterised in that：Wet desulfuration tower is provided with two, the
The top of one wet desulfuration tower is connected with second wet desulfuration tower bottom by connecting line, second wet desulphurization tower top
End is equipped with moisture trap.
3. gas sweetening hydrogen system according to claim 1, it is characterised in that：Bottom is placed in the integrated tower of wet desulphurization
Lean liquid bath be connected with the integrated tower spray equipment of wet desulphurization is placed in by pipeline and desulfurization pump, the integrated tower of wet desulphurization and richness
Liquid bath is connected by pipeline, and rich solution groove is connected with the roof shooter of regeneration tank by regeneration pump and pipeline, and regeneration tank is respectively
It is connected with the lean liquid bath in foam tank and the integrated tower of wet desulphurization by pipeline.
4. gas sweetening hydrogen system according to claim 1, it is characterised in that：The integrated tower of wet desulphurization is with dosing tank even
Connect.
5. gas sweetening hydrogen system according to claim 1, it is characterised in that：Pipeline and bubble of the foam tank by top
Foam pond connects, and the pipeline of foam tank bottom is connected with pressure filter by foam pump.
6. a kind of sulfur method of the gas sweetening hydrogen system as described in any one in claim 1 to 5, as follows
Carry out：
（1）Gas flow process：The gas for coming from front workshop section enters the integrated tower bottom of wet desulphurization, flows from bottom to top, sprays with top
Doctor solution counter current contacting under drenching, the hydrogen sulfide in gas absorbed, and then inlet air moisture is from device, after catching out the moisture in gas
Enter back into the further fine de-sulfur of dry desulfurizing tower；
（2）Doctor solution flow process
The rich solution that draws from desulfurization tower bottom carries out, after analysis reaction of Salmon-Saxl, initially entering rich solution groove, delivers to regeneration through rich solution pump pressurization
Groove, doctor solution is regenerated；Suspension sulfur granules in rich solution are formed floatation of foam at regeneration tank top by air flotation, clear liquid with
The pressurization of desulfurization pump is flowed through after foam separation, enters desulfurization column overhead；Lean solution after absorbing hydrogen sulfide changes into rich solution inflow
Bottom of towe, finally enters rich solution groove, so circulates.
7. the sulfur method of gas sweetening hydrogen system according to claim 6, it is characterised in that：Doctor solution be by industry
Soda and catalyst mix the solution being formulated, soda 18～22g/l of concentration；28～32mg/l of catalyst.
8. the sulfur method of gas sweetening hydrogen system according to claim 6, it is characterised in that：Soda concentration in solution
20g/l；Catalyst 30mg/l.
9. the sulfur method of gas sweetening hydrogen system according to claim 7, it is characterised in that：It is catalysis using 888
Agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083248.4A CN106422773A (en) | 2016-11-30 | 2016-11-30 | Gas hydrogen sulfide removal system and desulfurizing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083248.4A CN106422773A (en) | 2016-11-30 | 2016-11-30 | Gas hydrogen sulfide removal system and desulfurizing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106422773A true CN106422773A (en) | 2017-02-22 |
Family
ID=58224222
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611083248.4A Withdrawn CN106422773A (en) | 2016-11-30 | 2016-11-30 | Gas hydrogen sulfide removal system and desulfurizing method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227185A (en) * | 2017-07-11 | 2017-10-03 | 江苏苏港和顺生物科技有限公司 | A kind of filtration integrated equipment of biogas production wet desulphurization elemental sulfur |
| CN108126495A (en) * | 2017-12-25 | 2018-06-08 | 宜宾丝丽雅股份有限公司 | Hydrogen sulfide absorption tower |
| CN108579373A (en) * | 2018-05-18 | 2018-09-28 | 华夏碧水环保科技有限公司 | It is a kind of to be directed to desulphurization system and its sulfur method containing high-concentration hydrogen sulfide biogas |
| CN108686487A (en) * | 2017-04-12 | 2018-10-23 | 北京华石联合能源科技发展有限公司 | A kind of combination sulfur removal technology of suspension bed and fixed bed |
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| EP0139352A1 (en) * | 1983-07-29 | 1985-05-02 | F.L. Smidth & Co. A/S | Treatment of flue gas |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686487A (en) * | 2017-04-12 | 2018-10-23 | 北京华石联合能源科技发展有限公司 | A kind of combination sulfur removal technology of suspension bed and fixed bed |
| CN108686487B (en) * | 2017-04-12 | 2021-01-01 | 北京华石联合能源科技发展有限公司 | Combined desulfurization process of suspended bed and fixed bed |
| CN107227185A (en) * | 2017-07-11 | 2017-10-03 | 江苏苏港和顺生物科技有限公司 | A kind of filtration integrated equipment of biogas production wet desulphurization elemental sulfur |
| CN107227185B (en) * | 2017-07-11 | 2023-06-23 | 江苏盐城港盐农循环农业有限公司 | Wet desulfurization elemental sulfur filtering integrated equipment for biogas production |
| CN108126495A (en) * | 2017-12-25 | 2018-06-08 | 宜宾丝丽雅股份有限公司 | Hydrogen sulfide absorption tower |
| CN108579373A (en) * | 2018-05-18 | 2018-09-28 | 华夏碧水环保科技有限公司 | It is a kind of to be directed to desulphurization system and its sulfur method containing high-concentration hydrogen sulfide biogas |
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Application publication date: 20170222 |