CN208949211U - A kind of desulfurization device for removing hydrogen sulfide in coal gas integrated with regeneration - Google Patents

A kind of desulfurization device for removing hydrogen sulfide in coal gas integrated with regeneration Download PDF

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Publication number
CN208949211U
CN208949211U CN201821515747.0U CN201821515747U CN208949211U CN 208949211 U CN208949211 U CN 208949211U CN 201821515747 U CN201821515747 U CN 201821515747U CN 208949211 U CN208949211 U CN 208949211U
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desulfurization
gas
regeneration
section
coal gas
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CN201821515747.0U
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虎骁
史军伟
梁文军
张明乾
黄鹤
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Shaanxi Black Cat Coking Co Ltd
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Shaanxi Black Cat Coking Co Ltd
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Abstract

The utility model 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 utility model 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

A kind of desulfurization device for removing hydrogen sulfide in coal gas integrated with regeneration
[technical field]
The utility model belongs in coal gas desulfurization technical field more particularly to a kind of desulfurization removing coal gas integrated with regeneration The device of hydrogen sulfide.
[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.
[utility model content]
The purpose of the utility model is to provide the devices of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, make to take off Sulphur and regeneration stage are combined as a whole, and reduce occupation area of equipment, reduce production cost.
The technical solution of the utility model includes: 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 regenerator section 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.
The beneficial effects of the utility model are: reducing the hydrogen sulfide gas in coke-stove gas, hydrogen sulfide content reaches 30mg/Nm3Hereinafter, meeting environmental requirement;By reducing desulfurization and regeneration together as one with land area, moreover, regeneration Section design 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 spray Emitter does not need compressor, has saved energy consumption using the desulfurization hydraulic power into regenerator section by air from regenerator section is sucked;Pass through Sulphur foam is made sulphur and recycled by sulfur melting kettle, is turned waste into wealth, and company's production cost is reduced.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model.
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 utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model discloses the devices of hydrogen sulfide in a kind of desulfurization removing coal gas integrated with regeneration, such as Fig. 1 institute Show, 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, leads to Crossing coal gas cooling 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 Influence of the impurity to desulfurization section in coal gas 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 regenerator section 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 working method of the utility model:
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 utility model, and doctor solution sprays from top to bottom to be absorbed in coal gas 1 top of regenerator section is conveyed by desulfurization liquid pump 7 after hydrogen sulfide gas and is mixed into regenerator section 1 after sucking air by injector 8 It is regenerated, regenerates sulphur foam and be used to produce sulphur from inflow sulphur foam holding tank 9, sulfur melting kettle 10, the doctor solution regenerated Gravity flow enters 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 utility model is meeting current energy conservation and environmental protection requirement (sulphur in coke oven gas Change hydrogen content and reaches 30mg/Nm3Below environmentally friendly limit value) while, bring considerable economic benefit, reduction to be produced into for enterprise Originally, land area is reduced.

Claims (6)

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 raw section (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 2, 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).
CN201821515747.0U 2018-09-17 2018-09-17 A kind of desulfurization device for removing hydrogen sulfide in coal gas integrated with regeneration Active CN208949211U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022049A (en) * 2018-09-17 2018-12-18 陕西黑猫焦化股份有限公司 A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022049A (en) * 2018-09-17 2018-12-18 陕西黑猫焦化股份有限公司 A kind of desulfurization device and method for removing hydrogen sulfide in coal gas integrated with regeneration

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