CN104987895B - A kind of desulfurization regeneration tower - Google Patents
A kind of desulfurization regeneration tower Download PDFInfo
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- CN104987895B CN104987895B CN201510378551.6A CN201510378551A CN104987895B CN 104987895 B CN104987895 B CN 104987895B CN 201510378551 A CN201510378551 A CN 201510378551A CN 104987895 B CN104987895 B CN 104987895B
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- desulfurization
- gas
- doctor solution
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- tower
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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
- C10K1/08—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
- C10K1/002—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
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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)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to a kind of desulfurization regeneration tower, coal gas carries out mass transfer in filler with doctor solution, and to remove the hydrogen sulfide in coal gas, doctor solution reaches epimere regenerator section by doctor solution delivery pipe, after utilizing air regenesis in the presence of catalyst, return to hypomere desulfurization section and carry out desulfurization；The desulfurization regeneration tower is divided into hypomere desulfurization section and epimere regenerator section, hypomere desulfurization section provided with gas entry, gas exit, gas flow distribution device, filler, catch mist filler, filter, cyclone separator, doctor solution outlet, epimere regenerator section provided with bubble stripper, oblique conical section, foam outlet, regeneration gas outlet, gas distributor.The present invention uses HPF wet oxidation desulfurization technologies.Doctor solution is preferably mixed with air, add time of contact.Influence of the environment temperature for doctor solution temperature is reduced, while saving space, lot of materials is saved.And desulfuration efficiency is improved using the structural advantage of itself, reduce the environmental pollution of coke-oven plant.
Description
Technical field
The present invention relates to a kind of HPF desulfurization regeneration towers.Specifically for the desulfurizer in coking industry, for removing coal gas
In hydrogen sulfide.
Background technology
There is large number of coal chemical enterprise in China as a coal big country and big steel country in China, this
Substantial amounts of hydrogen sulfide is rich in the coal gas that a little coal chemical enterprises are produced.No matter coal gas, for industrial or civilian, is required for coal gas
Carry out desulfurization process.Domestic conventional sulfur removal technology is needed based on wet type desulfurizing in conventional wet type desulfurizing technique at present
Arrange desulfurizing tower, regenerator, mist eliminator, numerous equipment such as doctor solution circulating pump, in addition it is also necessary to arrange substantial amounts of process pipe, it is necessary to
Substantial amounts of investment.If in addition, operation is bad it is difficult to ensure that desulfurization index.For these reasons, the present invention proposes a kind of new-type
HPF desulfurization regeneration towers.The work that former multiple devices are completed is rolled into one, and simplifies technological process, facilitates workman's
Operation, reduces equipment investment.And desulfuration efficiency is improved using the structural advantage of itself, reduce the environmental pollution of coke-oven plant.
The patent of Application No. 201510110908 discloses a kind of coke gas desulfurization regeneration integrated tower, by will be existing
Traditional sulfurization process facilities are changed to rich solution storage after washing tail gas unit, regeneration unit, desulfurization unit, desulfurization after regeneration is anti-
The tower structure design of unit optimization one entirety of formation is answered, and setting is installed in 4 layers of packing layer support of desulfurization unit
Have corresponding coiled Aftercooling device, the hydrogen sulfide content after desulfurization in coke gas far below prior art 20mg/m with
Under.Doctor solution is delivered to behind top in this patent and mixed with air, then is sprayed to by shower nozzle in tower.What is mixed with air does not fill
Point, time of contact is short.Doctor solution conveyance conduit is located at outside tower body, and environment temperature influences larger to doctor solution temperature.This patent
Middle coal gas directly leaves from desulfurization section top and carries doctor solution in tower body, coal gas secretly, and gas purification is not thorough.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art there is provided a kind of desulfurization regeneration tower, are simplified
Technological process, facilitates the operation of workman, reduces equipment investment.And desulfuration efficiency is improved using the structural advantage of itself,
Reduce the environmental pollution of coke-oven plant.
To achieve the above object, the present invention is realized using following technical scheme：
A kind of desulfurization regeneration tower, coal gas carries out mass transfer in filler with doctor solution, to remove the hydrogen sulfide in coal gas, desulfurization
Liquid reaches epimere regenerator section by doctor solution delivery pipe, after utilizing air regenesis in the presence of catalyst, returns to hypomere desulfurization
Duan Jinhang desulfurization；
The desulfurization regeneration tower is divided into hypomere desulfurization section and epimere regenerator section, and hypomere desulfurization section is provided with gas entry, coal gas
Outlet, gas flow distribution device, filler, catch mist filler, filter, cyclone separator, doctor solution outlet, epimere regenerator section be provided with bubble
Separator, oblique conical section, foam outlet, regeneration gas outlet, gas distributor.
Described doctor solution outlet is connected with pump, and pump discharge is provided with air and liquid mixer, air and liquid mixer outlet and doctor solution
Delivery pipe is connected.
Described filler and to catch mist filler can be structured packing, or random packing.
Described bubble stripper can adjust height according to the liquid level of foam.
Described oblique cone pars infrasegmentalis is tilted to foam outlet side.
Described doctor solution delivery pipe is located at cyclone separator center, is mutually supported with cyclone separator, doctor solution conveying
Pipe connects air and liquid mixer and epimere regenerator section, conveys doctor solution.
Described coal gas passes through from cyclone separator.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, desulfurization regeneration tower can effectively absorb the hydrogen sulfide in coal gas, reduce atmosphere pollution.
2nd, desulfurization regeneration tower, which is provided with gas flow distribution device, makes coal gas be distributed well in tower.
3rd, desulfurization regeneration tower, which is provided with arch support, can redistribute coal gas and doctor solution, prevent doctor solution from producing wall
Stream.
4th, desulfurization regeneration tower, which is provided with gas distributor, makes air bubble be distributed well in tower.
5th, desulfurization regeneration tower is effectively removed in coal gas by catching triple purifications of mist filler, filter and cyclone separator
The doctor solution of entrainment.
6th, doctor solution delivery pipe is arranged in cyclone separator center, can both saves space, can had again to doctor solution
The insulation of effect.
7th, epimere regenerator section sets bubble stripper moving up and down, can effectively remove the foam folder in regenerated liquid
Band.
8th, epimere regenerator section sets oblique conical section, makes outside sulphur foam flowing full to cone section, and flow into sulphur foam along incline direction
Outlet, reduces the deposition of solid sulfur.
9th, gas exit is located at tower center, reduces packing support span, reduces weight of equipment.
10th, desulfurization regeneration tower compact overall structure, both simplifies technique, saves space, has saved investment, has facilitated again
The operation of workman.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure：1- tower body 2- doctor solution delivery pipe 3- air and liquid mixer 4- pump 5- doctor solutions export 6- silk screen filters
Device 7- gas entry 8- gas exit 9- gas flow distribution device 10- packing support plate 11- arch support 12- filler 13- whirlwind
Separator 14- shower nozzles 15- catches the connection of mist filler 16- filter 17- ellipse head 18- gas distributor 19- regenerated liquids
Pipe 20- bubble stripper 21- oblique conical section 22- foam outlet 23- regeneration gases are exported
Embodiment
The embodiment to the present invention is further illustrated below in conjunction with the accompanying drawings：
As shown in figure 1, desulfurization regeneration tower include tower body (1), doctor solution delivery pipe (2), air and liquid mixer (3), pump (4),
Doctor solution outlet (5), wire gauzee filter (6), gas entry (7), gas exit (8), gas flow distribution device (9), packing support plate
(10), arch support (11), filler (12), cyclone separator (13), shower nozzle (14), catch mist filler (15), it is filter (16), ellipse
Circle end socket (17), gas distributor (18), regenerated liquid communicating pipe (19), bubble stripper (20), oblique conical section (21), foam outlet
(22), regeneration gas outlet (23).
Desulfurization regeneration tower is divided into hypomere desulfurization section and epimere regenerator section.Gas entry (7) is located at hypomere desulfurization pars infrasegmentalis, coal
Gas distributor (9) is located above gas entry (7), and packing support plate (10), arch support (11), filler (12) are installed on coal gas and entered
On mouth (7).Regenerated liquid communicating pipe (19) bottom is installed on above filler (12), and shower nozzle (14) is provided with thereon, mist is caught and fills out
Expect that (15) were located on regenerated liquid communicating pipe (19).Hypomere desulfurization section center is provided with cyclone separator (13), cyclone separator
(13) center is provided with above doctor solution delivery pipe (2), cyclone separator (13) and is provided with filter (16), cyclone separator (13)
Mutually supported with doctor solution delivery pipe (2).Cyclone separator (13) bottom is provided with gas exit (8), and wire gauzee filter (6) is located at
Below gas exit (8).Tower body (1) is connected provided with doctor solution outlet (5), doctor solution outlet (5) with pump (4), and pump (4) is provided with
Air and liquid mixer (3), air and liquid mixer (3) outlet is connected with doctor solution delivery pipe (2).
Hypomere desulfurization section and epimere regenerator section are disconnected by ellipse head (17), provided with gas distribution above ellipse head (17)
Device (18).Epimere regenerator section top is provided with oblique conical section (21), and oblique conical section is tilted to foam outlet (22) side.Bubble stripper
(20) it is located at below oblique conical section (21), bubble stripper (20) can adjust height, bubble stripper according to the liquid level of sulphur foam
(20) bottom and regenerated liquid communicating pipe (19).Provided with regeneration gas outlet (23) at the top of tower body (1).
Coal gas from gas entry (7) enter, uniformly be distributed in by gas flow distribution device (9) in tower, in filler (12) and
Doctor solution carries out mass transfer to remove the hydrogen sulfide in coal gas, then by catching mist filler (15), filter (16) and cyclone separator
(13) purification leaves tower from gas exit (8).Doctor solution under cyclone separator (13) separation is entered by its bottom opening
Enter in tower, with converging by the rich hydrogen sulfide containing sulfur removing pregnant solution of mass transfer.Wire gauzee filter (6) is filtered to sulfur removing pregnant solution, with
Enter air and liquid mixer (3) by pump (4) afterwards, sulfur removing pregnant solution is mixed in air and liquid mixer (3) with air, passed through after mixing by tower
The doctor solution delivery pipe (2) at body (1) center enters epimere regenerator section.Air bubble in sulfur removing pregnant solution passes through gas distributor
(18) it is uniformly distributed in tower, the regenerated liquid by regeneration is filtered by bubble stripper (20), via regenerated liquid communicating pipe
(19) enter hypomere desulfurization section, be uniformly sprayed on by shower nozzle (14) in tower.Sulphur foam in regenerator section is through oblique conical section (21) flowing full
To cone section, incline direction of the sulphur foam along oblique conical section (21) flows into sulphur foam outlet (22) and leaves tower body.Regeneration gas
Desulfurization regeneration tower is left from regeneration gas outlet (23).
The present invention uses HPF wet oxidation desulfurization technologies.Doctor solution is set preferably to be mixed with air, when adding contact
Between, while saving epimere spray structure.Influence of the environment temperature for doctor solution temperature is reduced, while space is saved,
The length of packing support plate beam can be shortened, lot of materials is saved.
From bottom after coal gas is separated from desulfurization section top via the cyclone separator outside doctor solution conveyance conduit in the present invention
Tower body is left, the doctor solution carried secretly in coal gas is efficiently reduced, further purifies coal gas.Reduce the folder of mist in regenerated liquid
Band, hence it is evident that improve desulfuration efficiency.
Sulphur foam cone section regeneration tank is located in tower in the present invention, reduces space, has saved material, and structure is more stablized.
Described above is only the general principle of the present invention, and not the present invention is imposed any restrictions, every right according to the present invention
It carries out equivalent variations and modification, within the category of the art of this patent protection scheme.
Claims (7)
1. a kind of desulfurization regeneration tower, it is characterised in that coal gas carries out mass transfer in filler with doctor solution, to remove the sulphur in coal gas
Change hydrogen, doctor solution reaches epimere regenerator section by doctor solution delivery pipe, after utilizing air regenesis in the presence of catalyst, return
Hypomere desulfurization section carries out desulfurization；
The desulfurization regeneration tower is divided into hypomere desulfurization section and epimere regenerator section, hypomere desulfurization section provided with gas entry, gas exit,
Gas flow distribution device, filler, catch mist filler, filter, cyclone separator, doctor solution outlet, epimere regenerator section be provided with bubble separation
Device, oblique conical section, foam outlet, regeneration gas outlet, gas distributor；
Coal gas enters from gas entry, is uniformly distributed in by gas flow distribution device in tower, and mass transfer is carried out with doctor solution in filler
To remove the hydrogen sulfide in coal gas, then by the purification for catching mist filler, filter and cyclone separator leave tower from gas exit
Device, the doctor solution under cyclone separator separation is entered in tower by its bottom opening, with passing through the rich hydrogen sulfide containing desulfurization of mass transfer
Rich solution converges, and wire gauzee filter is filtered to sulfur removing pregnant solution, then passes through pump and enters air and liquid mixer, sulfur removing pregnant solution is in gas-liquid
Mixed in blender with air, pass through and entered by the doctor solution delivery pipe at tower body center in epimere regenerator section, sulfur removing pregnant solution after mixing
Air bubble be uniformly distributed in by gas distributor in tower, the regenerated liquid by regeneration by bubble stripper filter, warp
Hypomere desulfurization section is entered by regenerated liquid communicating pipe, is uniformly sprayed on by shower nozzle in tower, the sulphur foam in regenerator section is full through oblique conical section
It flow on the outside of cone section, incline direction of the sulphur foam along oblique conical section flows into sulphur foam outlet and leave tower body, regeneration gas is from regeneration
Leave desulfurization regeneration tower in gas outlet.
2. a kind of desulfurization regeneration tower according to claim 1, it is characterised in that described doctor solution outlet is connected with pump,
Pump discharge is provided with air and liquid mixer, and air and liquid mixer outlet is connected with doctor solution delivery pipe.
3. a kind of desulfurization regeneration tower according to claim 1, it is characterised in that described filler and catch mist filler and can be
Structured packing, or random packing.
4. a kind of desulfurization regeneration tower according to claim 1, it is characterised in that described bubble stripper can be according to foam
Liquid level regulation height.
5. a kind of desulfurization regeneration tower according to claim 1, it is characterised in that described oblique cone pars infrasegmentalis is to foam outlet
Side is tilted.
6. a kind of desulfurization regeneration tower according to claim 1, it is characterised in that described doctor solution delivery pipe is located at whirlwind
Separator center, is mutually supported with cyclone separator, and doctor solution delivery pipe connection air and liquid mixer and epimere regenerator section, conveying are de-
Sulphur liquid.
7. a kind of desulfurization regeneration tower according to claim 1, it is characterised in that described coal gas is logical from cyclone separator
Cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378551.6A CN104987895B (en) | 2015-06-29 | 2015-06-29 | A kind of desulfurization regeneration tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378551.6A CN104987895B (en) | 2015-06-29 | 2015-06-29 | A kind of desulfurization regeneration tower |
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| Publication Number | Publication Date |
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| CN104987895A CN104987895A (en) | 2015-10-21 |
| CN104987895B true CN104987895B (en) | 2017-09-08 |
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| CN201510378551.6A Active CN104987895B (en) | 2015-06-29 | 2015-06-29 | A kind of desulfurization regeneration tower |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105820848A (en) * | 2016-05-25 | 2016-08-03 | 中冶焦耐工程技术有限公司 | Combined type demisting device |
| 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 |
| CN113430014A (en) * | 2021-06-28 | 2021-09-24 | 中国科学院过程工程研究所 | Blast furnace gas wet desulfurization device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2015859A4 (en) * | 2006-05-05 | 2010-09-29 | Plascoenergy Ip Holdings Slb | A gas conditioning system |
| CN101434871B (en) * | 2008-12-02 | 2012-08-22 | 中冶焦耐工程技术有限公司 | Desulphurization regeneration combined tower |
| CN101987976B (en) * | 2009-07-30 | 2013-06-26 | 鞍钢集团工程技术有限公司 | Desulfurizing tower for gas desulfuration by using liquid phase catalytic oxidation |
| CN101856593B (en) * | 2010-06-17 | 2013-04-24 | 杨立 | Gas desulfurization and mother liquor regeneration comprehensive tower |
| CN104226084A (en) * | 2013-06-08 | 2014-12-24 | 宁波科新化工工程技术有限公司 | Environment-friendly and efficient multi-stage desulfurization regeneration device and system |
| CN103409176A (en) * | 2013-07-31 | 2013-11-27 | 林吉萍 | Efficient regeneration desulphurization tower |
| CN104650993A (en) * | 2015-03-15 | 2015-05-27 | 辽宁圣赫机械制造成套设备有限公司 | Cooking gas desulfurization and regeneration integrated tower |
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Effective date of registration: 20180803 Address after: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee after: ACRE Coking And Refractory (Dalian) Engineering Consulting Corp., MCC Address before: 116085 128 high energy street, Qixian Ling high tech Industrial Park, Dalian, Liaoning Patentee before: ACRE Coking and Refractory Engineering Consulting Corporation, MCC |
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