CN109022049A - A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration - Google Patents
A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration Download PDFInfo
- Publication number
- CN109022049A CN109022049A CN201811080722.7A CN201811080722A CN109022049A CN 109022049 A CN109022049 A CN 109022049A CN 201811080722 A CN201811080722 A CN 201811080722A CN 109022049 A CN109022049 A CN 109022049A
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- Prior art keywords
- desulfurization
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- regeneration
- coal gas
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/002—Removal of contaminants
- C10K1/003—Removal of contaminants of acid contaminants, e.g. acid gas removal
- C10K1/004—Sulfur containing contaminants, e.g. hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/20—Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses
- C10K1/26—Regeneration of the purifying material contains also apparatus for the regeneration of the purifying material
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Industrial Gases (AREA)
Abstract
The invention discloses the devices of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, including coal gas cooling unit, the gas exit of coal gas cooling unit to be connected to the gas inlet of gas purification unit；The gas inlet of the gas exit connection coal gas desulfurization regeneration unit of gas purification unit, coal gas desulfurization regeneration unit includes the regenerator section of the desulfurization section and portion disposed thereon positioned at its underpart, regeneration pars infrasegmentalis is equipped with sulphur foam and generates slot, sulphur foam generates trench bottom and is connected to sulphur foam holding tank by pipeline, the outlet of sulphur foam holding tank is connected with sulfur melting kettle, and sulfur melting kettle is used to sulphur Foam machining generating sulphur and is delivered to subsequent handling；The present invention is not needed compressor, has saved energy consumption using the desulfurization hydraulic power into regenerator section using injector with land area by reducing desulfurization and regeneration together as one by air from regenerator section is sucked.
Description
[technical field]
The invention belongs to vulcanize in coal gas desulfurization technical field more particularly to a kind of desulfurization removing coal gas integrated with regeneration
The device and method of hydrogen.
[background technique]
Contain 5g/m in coke-oven plant's coke-stove gas3The hydrogen sulfide gas of left and right, if equipment pipe can be caused by not removing
Corrosion, influences downstream product quality, makes methanol plant catalyst poisoning, pollutes to atmosphere, traditional sulfur method is to adopt
Hydrogen sulfide gas is produced into sulphur with doctor solution absorption with desulfurizing tower HPF method technique matched with regenerator, field device accounts for
Ground area is big, operating cost is compared with high, power consumption is big.
[summary of the invention]
The object of the present invention is to provide the device and method of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, make
Desulfurization and regeneration stage are combined as a whole, and reduce occupation area of equipment, reduce production cost.
A kind of technical solution of the invention: a kind of desulfurization device for removing hydrogen sulfide in coal gas integrated with regeneration, including
Coal gas cooling unit, the gas exit of coal gas cooling unit are connected to the gas inlet of gas purification unit；
The gas inlet of the gas exit connection coal gas desulfurization regeneration unit of gas purification unit, coal gas desulfurization regeneration unit
Including being located at the desulfurization section of its underpart and the regenerator section in portion disposed thereon, desulfurization section is used to remove the hydrogen sulfide gas in coal gas,
Regenerator section is used to carry out the sulfur removing pregnant solution that desulfurization section generates regeneration and generates desulfurization lean solution for using in desulfurization section；
Regeneration pars infrasegmentalis is equipped with sulphur foam and generates slot, and sulphur foam generates trench bottom and is connected to the storage of sulphur foam by pipeline
Slot, the outlet of sulphur foam holding tank are connected with sulfur melting kettle, and sulfur melting kettle is used to sulphur Foam machining generating sulphur and be delivered to subsequent
Process.
Further, desulfurization section bottom is provided with gas inlet, and top is provided with gas exit, and gas inlet goes out with coal gas
Multiple filling layers are provided between mouthful, desulfurization lean solution spray head is provided between top layer filler and gas exit, desulfurization lean solution spray head is logical
It crosses gravity line and is connected to regenerator section.
Further, desulfurization section bottom is equipped with sulfur removing pregnant solution slot, and sulfur removing pregnant solution slot is connected to by sulfur removing pregnant solution pipeline
The top of regenerator section is equipped with force (forcing) pump on sulfur removing pregnant solution pipeline, passes through injector between sulfur removing pregnant solution pipeline and reproducing unit and connects
It connects, injector is used to after mixing sulfur removing pregnant solution and the air of sucking be delivered in regenerator section to regenerate.
Further, it is inclined-plane that sulphur foam, which generates trench bottom, and liquid outlet is located at the bottom on the inclined-plane.
Further, filler is specially three layers.
Further, the gas exit of desulfurization section is connected to lower section process by gas piping.
Another technical solution of the invention: the method for hydrogen sulfide in a kind of desulfurization abjection coal gas integrated with regeneration makes
With a kind of above-mentioned desulfurization it is integrated with regeneration removing coal gas in hydrogen sulfide device, specifically includes the following steps:
Coal gas is passed sequentially through into cooling unit and clean unit 4, declines gas temperature, and it is miscellaneous to remove the particle in coal gas
The coal gas of imurity-removal is carried out desulfurization by desulfurization section, removes hydrogen sulfide gas therein, and pass through desulfurization section top by matter
Gas exit is delivered to gas piping, enters lower section process；
Sulfur removing pregnant solution in the sulfur removing pregnant solution slot gas recovery sweetening process of desulfurization section bottom, and it is by pipeline that desulfurization is rich
Liquid is delivered to regenerator section, will be empty through the injector between pipeline and regenerator section while sulfur removing pregnant solution is delivered to regenerator section
Gas is mixed into sulfur removing pregnant solution, and the sulfur removing pregnant solution after mixing air is regenerated in regenerator section, after regeneration generate desulfurization lean solution and
Sulphur foam, desulfurization lean solution flow to desulfurization section certainly through gravity line, and is sprayed by desulfurization lean solution spray head, and sulphur foam is by passing through
Pipeline self is entering sulfur melting kettle after entering sulphur foam holding tank, generates sulphur.
The beneficial effects of the present invention are: reducing the hydrogen sulfide gas in coke-stove gas, hydrogen sulfide content reaches 30mg/
Nm3Hereinafter, meeting environmental requirement；By reducing with land area, desulfurization and regeneration together as one moreover, regenerator section is set
Meter makes desulfurization lean solution flow automatically to desulfurization section, reduces power consumption at the top of desulfurization section using the pressure of doctor solution；Use injection
Device does not need compressor, has saved energy consumption using the desulfurization hydraulic power into regenerator section by air from regenerator section is sucked；By molten
Sulphur foam is made sulphur and recycled by sulphur kettle, is turned waste into wealth, and company's production cost is reduced.
[Detailed description of the invention]
Fig. 1 is the structural diagram of the present invention.
Wherein: 1. regenerator sections；2. gravity line；3. desulfurization section；4. clean unit；5. cooling unit；6. sulfur removing pregnant solution pipeline；
7. force (forcing) pump；8. injector；9. sulphur foam holding tank；10. sulfur melting kettle；11. gas piping.
[specific embodiment]
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
The invention discloses the devices of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, as shown in Figure 1, including
Coal gas cooling unit 5, the gas exit of coal gas cooling unit 5 is connected to the gas inlet of gas purification unit 4, cold by coal gas
But unit 5 and gas purification unit 4 can be cooled down and be purified to coal gas, it is made to meet desulfurization condition, be reduced miscellaneous in coal gas
The influence of confrontation desulfurization section extends equipment and uses the time.
The gas inlet of the gas exit connection coal gas desulfurization regeneration unit of gas purification unit 4, coal gas desulfurization regeneration are single
Member includes the regenerator section 1 of the desulfurization section 3 and portion disposed thereon positioned at its underpart.Desulfurization section 3 is used to remove the hydrogen sulfide in coal gas
Gas, regenerator section 1 are used to carry out the sulfur removing pregnant solution that desulfurization section 3 generates regeneration and generate desulfurization lean solution for using in desulfurization section 3.
1 lower part of regenerator section is equipped with sulphur foam and generates slot, and it is inclined-plane that sulphur foam, which generates trench bottom, and liquid outlet is located at this tiltedly
The bottom in face does not need other ancillary equipments, passes through gravity in this way, sulphur foam can be discharged by generating the outlet at bottom of slot
It may be implemented to flow automatically under effect.Sulphur foam generates trench bottom and is connected to sulphur foam holding tank 9, sulphur foam holding tank 9 by pipeline
Outlet be connected with sulfur melting kettle 10, sulfur melting kettle 10 is used to sulphur Foam machining generating sulphur and is delivered to subsequent handling, by molten
Sulphur foam can be recycled by sulphur kettle 10, further reduced production cost.
3 bottom of desulfurization section is provided with gas inlet, and top is provided with gas exit, and coal gas goes out from lower part into, top, desulfurization
Lean solution is sprayed from top spray head, is realized gas-liquid and is liquidated, and is being combined filler etc., can made the removal efficiency of hydrogen sulfide more.
The gas exit of desulfurization section 3 is connected to lower section process by gas piping 11, provides the coal gas of removing hydrogen sulfide.Gas inlet with
Multiple filling layers are provided between gas exit, filler is specially three layers.It can be to avoid air-liquid caused by wall stream effect by filler
Two-phase is unevenly distributed in packing layer, causes to decline absorptivity.
Desulfurization lean solution spray head is provided between top layer filler and gas exit, desulfurization lean solution spray head is connected by gravity line 2
To regenerator section 1, so that doctor solution is carried out circulation sprinkling and utilize, reduce production cost.
3 bottom of desulfurization section is equipped with sulfur removing pregnant solution slot, the desulfurization lean solution that spray head sprays, in the sky after absorption hydrogen sulfide
Become sulfur removing pregnant solution, sulfur removing pregnant solution is collected by sulfur removing pregnant solution slot.Sulfur removing pregnant solution slot is connected to by sulfur removing pregnant solution pipeline 6
The top of regenerator section 1 is equipped with force (forcing) pump 7 on sulfur removing pregnant solution pipeline 6, passes through injection between sulfur removing pregnant solution pipeline 6 and reproducing unit 1
Device 8 connects, and injector 8 is used to after mixing sulfur removing pregnant solution and the air of sucking be delivered in regenerator section 1 to regenerate.Pass through spray
Gas-liquid mixed may be implemented in emitter 8, does not need separately to convey air in addition air compressor machine, saves energy, and be uniformly mixed, more
The subsequent regenerative operation of reason.
The invention also discloses the methods of hydrogen sulfide in a kind of desulfurization abjection coal gas integrated with regeneration, use above-mentioned one
The device of hydrogen sulfide in kind desulfurization removing coal gas integrated with regeneration, specifically includes the following steps:
Coal gas is passed sequentially through into cooling unit 5 and clean unit 4, declines gas temperature, and removes the particle in coal gas
The coal gas of imurity-removal is carried out desulfurization by desulfurization section 3, removes hydrogen sulfide gas therein, and by desulfurization section 3 by impurity
The gas exit in portion is delivered to gas piping 11, enters lower section process.
Sulfur removing pregnant solution in the sulfur removing pregnant solution slot gas recovery sweetening process of 3 bottom of desulfurization section, and pass through pipeline for desulfurization
Rich solution is delivered to regenerator section 1, through the injector between pipeline and regenerator section 1 while sulfur removing pregnant solution is delivered to regenerator section 1,
Air is mixed into sulfur removing pregnant solution, the sulfur removing pregnant solution after mixing air is regenerated in regenerator section 1, and desulfurization is generated after regeneration
Lean solution and sulphur foam, desulfurization lean solution flow to desulfurization section 3 certainly through gravity line 2, and is sprayed by desulfurization lean solution spray head, sulphur foam
Enter sulfur melting kettle 10 after entering sulphur foam holding tank 9 by pipeline self, generates sulphur.
Coal gas enters in desulfurization section from bottom to top in the present invention, and doctor solution sprays the vulcanization absorbed in coal gas from top to bottom
1 top of regenerator section is conveyed by desulfurization liquid pump 7 after hydrogen, after sucking air by injector 8, is mixed into the progress of regenerator section 1
Regeneration regenerates sulphur foam from sulphur foam holding tank 9, sulfur melting kettle 10 is flowed into for producing sulphur, and the doctor solution regenerated flows automatically
Into desulfurization section 3.
Desulfurization section 3,1 integration of regenerator section, air are desulfurized rich solution by injector 9 and carry out again from sucking regenerator section is interior
It is raw, it does not need Air Compressor Equipment and additional air is provided.The present invention is meeting current energy conservation and environmental protection requirement (hydrogen sulfide in coke oven
Content reaches 30mg/Nm3Below environmentally friendly limit value) while, considerable economic benefit is brought for enterprise, reduction production cost, is subtracted
Few land area.
Claims (7)
1. the device of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, which is characterized in that including coal gas cooling unit
(5), the gas exit of the coal gas cooling unit (5) is connected to the gas inlet of gas purification unit (4)；
The gas inlet of the gas exit connection coal gas desulfurization regeneration unit of the gas purification unit (4), the coal gas desulfurization
Regeneration unit includes the regenerator section (1) of the desulfurization section (3) and portion disposed thereon positioned at its underpart, and the desulfurization section (3) is for taking off
Except the hydrogen sulfide gas in coal gas, the regenerator section (1) is used to carrying out the sulfur removing pregnant solution that desulfurization section (3) generate into regeneration to generate to take off
Sulphur lean solution is for use in desulfurization section (3)；
Regenerator section (1) lower part is equipped with sulphur foam and generates slot, and the sulphur foam generates trench bottom and is connected to sulphur by pipeline
The outlet of foam holding tank (9), the sulphur foam holding tank (9) is connected with sulfur melting kettle (10), and the sulfur melting kettle (10) is used for will
Sulphur Foam machining generates sulphur and is delivered to subsequent handling.
2. the device of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration as described in claim 1, which is characterized in that
Desulfurization section (3) bottom is provided with gas inlet, and top is provided with gas exit, between the gas inlet and gas exit
Multiple filling layers are provided with, are provided with desulfurization lean solution spray head, the desulfurization lean solution spray head described in top layer between filler and gas exit
Regenerator section (1) is connected to by gravity line (2).
3. the device of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration as claimed in claim 2, which is characterized in that
Desulfurization section (3) bottom is equipped with sulfur removing pregnant solution slot, and the sulfur removing pregnant solution slot is connected to described by sulfur removing pregnant solution pipeline (6)
The top of regenerator section (1) is equipped with force (forcing) pump (7) on the sulfur removing pregnant solution pipeline (6), the sulfur removing pregnant solution pipeline (6) with again
It is connected between life portion (1) by injector (8), the injector (8) is defeated after being used to mix sulfur removing pregnant solution and the air of sucking
It send to regenerator section (1) is interior and is regenerated.
4. the device of hydrogen sulfide, special in a kind of desulfurization a method according to any one of claims 1-3 removing coal gas integrated with regeneration
Sign is that it is inclined-plane that the sulphur foam, which generates trench bottom, and liquid outlet is located at the bottom on the inclined-plane.
5. the device of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration as claimed in claim 4, which is characterized in that
The filler is specially three layers.
6. the device of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration as described in claim 1, which is characterized in that
The gas exit of the desulfurization section (3) is connected to lower section process by gas piping (11).
7. the method for hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, which is characterized in that appointed using claim 1-6
A kind of device for removing hydrogen sulfide in coal gas integrated with regeneration of desulfurization described in one, specifically includes the following steps:
Coal gas is passed sequentially through into cooling unit (5) and clean unit (4), declines gas temperature, and remove the particle in coal gas
The coal gas of imurity-removal is carried out desulfurization by desulfurization section (3), removes hydrogen sulfide gas therein, and pass through desulfurization section by impurity
(3) gas exit on top is delivered to gas piping (11), enters lower section process；
Sulfur removing pregnant solution in the sulfur removing pregnant solution slot gas recovery sweetening process of desulfurization section (3) bottom, and it is by pipeline that desulfurization is rich
Liquid is delivered to regenerator section (1), is delivered to regenerator section (1) in sulfur removing pregnant solution by the injector between pipeline and regenerator section (1)
Meanwhile air being mixed into sulfur removing pregnant solution, the sulfur removing pregnant solution after mixing air is regenerated in regenerator section (1), raw after regeneration
At desulfurization lean solution and sulphur foam, desulfurization lean solution is flow to desulfurization section (3) certainly through gravity line (2), and is carried out by desulfurization lean solution spray head
Sprinkling, sulphur foam are entering sulfur melting kettle (10) after entering sulphur foam holding tank (9) by pipeline self, are generating sulphur.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080722.7A CN109022049A (en) | 2018-09-17 | 2018-09-17 | A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811080722.7A CN109022049A (en) | 2018-09-17 | 2018-09-17 | A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration |
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| CN109022049A true CN109022049A (en) | 2018-12-18 |
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| CN201811080722.7A Pending CN109022049A (en) | 2018-09-17 | 2018-09-17 | A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110479075A (en) * | 2019-09-26 | 2019-11-22 | 四川省达科特能源科技股份有限公司 | A kind of gas cooling, desulfurization and rich solution regeneration integrated device and technique |
| CN114307528A (en) * | 2021-12-29 | 2022-04-12 | 司少龙 | System and method for preparing concentrated sulfuric acid by using coke oven flue gas and dry quenching diffused gas |
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| CN110479075A (en) * | 2019-09-26 | 2019-11-22 | 四川省达科特能源科技股份有限公司 | A kind of gas cooling, desulfurization and rich solution regeneration integrated device and technique |
| CN114307528A (en) * | 2021-12-29 | 2022-04-12 | 司少龙 | System and method for preparing concentrated sulfuric acid by using coke oven flue gas and dry quenching diffused gas |
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