CN108126495A - Hydrogen sulfide absorption tower - Google Patents

Hydrogen sulfide absorption tower Download PDF

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Publication number
CN108126495A
CN108126495A CN201711417005.4A CN201711417005A CN108126495A CN 108126495 A CN108126495 A CN 108126495A CN 201711417005 A CN201711417005 A CN 201711417005A CN 108126495 A CN108126495 A CN 108126495A
Authority
CN
China
Prior art keywords
spray
storage tank
hydrogen sulfide
iron storage
spray column
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711417005.4A
Other languages
Chinese (zh)
Inventor
邓传东
贺敏
陈勇君
刘小军
邹成林
梁堂
竭发全
符东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yibin Grace Group Co Ltd
Original Assignee
Yibin Grace Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yibin Grace Group Co Ltd filed Critical Yibin Grace Group Co Ltd
Priority to CN201711417005.4A priority Critical patent/CN108126495A/en
Publication of CN108126495A publication Critical patent/CN108126495A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/52Hydrogen 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)
  • Gas Separation By Absorption (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention discloses a hydrogen sulfide absorption tower, which comprises a complex iron storage tank, a first spray tower and a second spray tower, wherein the first spray tower and the second spray tower are both communicated with the complex iron storage tank; the top of the first spray tower is provided with an air inlet and a spray device, and the top of the second spray tower is provided with an air outlet and a spray device; a feeding pipe, a discharging pipe and a circulating pipe are arranged on the complex iron storage tank, and the circulating pipe is connected with a spraying device through a circulating pump; the invention adopts the complex iron solution as the spray liquid to absorb the hydrogen sulfide, compared with the traditional absorption mode, the concentration change of the spray liquid is not required to be monitored in real time, meanwhile, the hydrogen sulfide is ensured to be thoroughly treated through multi-stage reaction absorption, and the product of the reaction not only can not block the pipeline, but also has larger economic value, thereby greatly reducing the workload of workers and improving the economic benefit.

Description

A kind of hydrogen sulfide absorption tower
Technical field
The present invention relates to technical field of environment protection equipment, and in particular to a kind of hydrogen sulfide absorption tower.
Background technology
The exhaust gas containing a large amount of hydrogen sulfide and carbon disulfide can be generated in production process of viscose fiber, if direct emission its Not only serious waste of resource, while also the environment on factory periphery can be caused seriously to pollute, therefore in the prior art usually lead to It crosses and a large amount of sodium carbonate or sodium hydroxide solution is sprayed into exhaust gas, it is made to react with the hydrogen sulfide in exhaust gas, so as to reach To cleaning of off-gas, antipollution purpose;Current absorbing liquid spray equipment, using single gas-liquid co-current contact or Counter current contacting.General lye spray equipment is built-in with multiple atomizers, to increase the contact area of absorbing liquid and exhaust gas, improves To the removal efficiency of hydrogen sulfide.Absorbing liquid spray equipment is using counter current contacting or co-current contact or increases atomization Nozzle number, if pending exhausted air quantity is larger, floor space will be considerable, and equipment investment expense also can be very high It is high.Single simultaneously to be sprayed using level-one, the detergent power to exhaust gas is also limited, it is difficult to remove the vulcanization in " clean " exhaust gas Hydrogen, therefore mostly achieve the purpose that remove hydrogen sulfide in a manner that multi-stage spray is in series or in parallel.
Chinese utility model patent such as Publication No. CN202460457U disclosed a kind of viscose glue on October 3rd, 2012 Fiber depriving hydrogen sulphide absorption plant including deacidification day with fog, high pressure positive blower, alkali spray column, alkali-prepared tank and automatic control system, removes The entrance of acid mist device is connect with flue gas leading, and the outlet for the day with fog that deacidifies is connect by high pressure positive blower with alkali spray column, the alkali-prepared tank Lye export be connected to alkali spray column, the depriving hydrogen sulphide absorption plant, which includes three, to be sprayed successively alternately as two level alkali The alkali spray column that leaching tower, level-one alkali spray column and spare alkali spray column use, the high pressure positive blower and level-one alkali spray column Exhaust gas entrance connects, and the waste gas outlet of the level-one alkali spray column is connect with the entrance of two level alkali spray column.The utility model Level-one alkali spray column and two level alkali spray column carry out two-stage tandem, it may be ensured that sulfur removal technology is carried out continuously.
But since its in above-mentioned technology uses lye, as absorbing liquid, the concentration with the absorption lye of hydrogen sulfide also can It reduces, while the concentration of hydrogen sulfide in exhaust gas is real-time change, therefore in order to ensure that the assimilation effect to hydrogen sulfide just needs The concentration of staff's timing detection lye is to ensure to replace aqueous slkali in time, staff's not only heavy workload, absorption tower Assimilation effect is not good enough yet;It simultaneously in winter can be because of relatively low as the sodium sulfide solution of absorbing liquid reaction generation using hydrogen sulfide Temperature and cause line clogging, but due in absorption tower space it is limited, the maintenance on absorption tower is extremely difficult.
Invention content
For assimilation effect in the prior art is poor, plant maintenance heavy workload, it is difficult in maintenance the defects of this hair Bright to disclose a kind of hydrogen sulfide absorption tower, the invention discloses a kind of hydrogen sulfide absorption towers, are not only able to improve using invention and inhale Assimilation effect of the tower to hydrogen sulfide is received, while also is able to substantially reduce the maintenance workload of staff, ensures that equipment is continuously transported Row.
Above-mentioned purpose that the invention is realized by the following technical scheme:
Including tower body, spray equipment is provided in the tower body for a kind of hydrogen sulfide absorption tower, it is characterised in that:The tower body packet Include Complexing Iron storage tank, the first spray column and the second spray column, first spray column and the second spray column are simultaneously and Complexing Iron Storage tank connects;Air inlet and spray equipment are provided on first spray column, spray equipment is provided on the second spray column And exhaust outlet;Be provided with circulation pipe and feed inlet on the Complexing Iron storage tank, the circulation pipe by circulating pump respectively with spray Shower device is connected;Discharge gate is additionally provided on the Complexing Iron storage tank.
Mounting hole is both provided on first spray column and the second spray column, the spray equipment includes spray head and spray Shower pipe, the spray tube are inserted by mounting hole in the first spray column or the second spray column, and are passed through and connected bolt and fix.
The spray tube is disposed with 4 layers of spray branch pipe under upper, and each spray is provided with 9 conduits on branch pipe, 8 spray heads are provided on every conduit.
Baffle is provided on the Complexing Iron storage tank, the baffle is located at the first spray column and the second spray column and complexing Between the interface of iron storage tank.
Liquid level gauge and temperature sensor are provided on the Complexing Iron storage tank.
Control valve is both provided on the feed inlet, discharge gate and circulation pipe.
Maintenance door is provided on the Complexing Iron storage tank.
Compared with prior art, the invention has the advantages that:
1st, tower body of the invention includes with Complexing Iron storage tank connecting in Complexing Iron storage tank, the first spray column and the second spray column It is logical, spray equipment and air inlet are provided on first spray column, spray column and gas outlet, institute are provided on the second spray column It states and circulation pipe, feed inlet and discharge gate is provided in Complexing Iron storage tank;The circulation pipe passes through circulating pump and spray equipment phase Even;With it is traditional by the way of the lye compared with, the present invention is molten by Complexing Iron by spraying complexing ferrous solution into spray column Liquid absorbs hydrogen sulfide gas, reaction generation elemental sulfur and ferrous ion, then by air by oxidation of divalent iron ion is trivalent Iron ion can rejoin reaction, and the reaction is low to the concentration requirement of Complexing Iron, therefore need to only ensure the oxidation speed of iron ion Degree without detecting the concentration of the spray liquid in reaction tower at any time, can not only realize the recycling of pharmacy response but also significantly Reduce the workload of staff;Hydrogen sulfide gas is not only needed after air inlet is entered in tower body by the simultaneously The positive spray of one spray column and the second spray column and inverse spray twice treatment process, in the mistake for entering the second spray column from the first spray column It also to be reacted in journey with the complexing ferrous solution of Complexing Iron storage tank, substantially prolong Complexing Iron spray liquid and hydrogen sulfide gas Reaction time, improve the absorption treatment effect of hydrogen sulfide, the present invention has that good absorption effect, control are easy, it is simple etc. to safeguard Advantage.
2nd, spray equipment of the invention includes spray tube and spray head, and the spray tube is inserted into the first spray by mounting hole It drenches in tower and the second spray column, and is fixed by connecting bolt, facilitate staff's demolition and maintenance spray tube, improve overhaul efficiency And quality.
3rd, 4 layers of spray branch pipe are disposed on spray tube of the invention from top to bottom, each spray is provided with 9 on branch pipe Root conduit is provided with 8 spray heads on every conduit, the spray liquid concentration that spray equipment sprays is improved, so as to increase spray liquid With the contact area of hydrogen sulfide gas, assimilation effect is improved.
4th, baffle is provided on Complexing Iron storage tank of the invention, the baffle is located at the first spray column and the second spray column Between the interface of Complexing Iron storage tank, hydrogen sulfide gas is avoided to be entered directly at the top of Complexing Iron storage tank by baffle It is that the solution in Complexing Iron storage tank fully reflects with hydrogen sulfide gas, so as to improve assimilation effect in second spray column.
5th, liquid level gauge is provided on Complexing Iron storage tank of the invention, realized to solution is also in Complexing Iron storage tank reality When monitor, avoid because also be it is excessively high cause hydrogen sulfide by passageway it is too small, ensure absorption efficiency;On the Complexing Iron storage tank Temperature sensor is additionally provided with, realizes the examinations to temperature in slot, so as to ensure the temperature in storage tank always in most Good reaction temperature ensures absorption efficiency.
6th, control valve is both provided on feed inlet of the invention, discharge gate and circulation pipe, facilitated in control storage tank Absorbing liquid flows to, and so as to improve the control ability to reaction process, improves the absorption efficiency of hydrogen sulfide.
7th, maintenance door is provided on Complexing Iron storage tank of the invention, facilitates the maintenance of staff, improve reaction efficiency.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is present invention spray manifold configuration schematic diagram;
Reference numeral:1st, Complexing Iron storage tank, the 2, first spray column, the 3, second spray column, 4, air inlet, 5, exhaust outlet, 6, follow Endless tube, 7, feed inlet, 8, circulating pump, 9, discharge gate, 10, mounting hole, 11, spray head, 12, spray tube, 13, connection bolt, 14, Spray branch pipe, 15, conduit, 16, baffle, 17, liquid level gauge, 18, temperature sensor, 19, control valve, 20, maintenance door.
Specific embodiment
It below will the present invention will be further described by specific embodiment:
Embodiment 1
The present embodiment is as highly preferred embodiment of the present invention, it discloses a kind of hydrogen sulfide absorption tower, including Complexing Iron storage tank 1, the first spray column 2 and the second 3 towers of spray, 2 and second spray column 3 of the first spray column connect simultaneously with Complexing Iron storage tank 1 Logical, the top of first spray column 2 is provided with air inlet 4, and the top of the first spray column 2 is disposed with 4 from top to bottom A mounting hole 10 is both provided with the spray branch pipe being connected with spray tube 12 in each mounting hole 10, and sprays branch pipe and pass through connection Bolt is fixedly connected with the first spray column;8 spray heads are provided on the spray branch pipe;It is set at the top of second spray column It is equipped with gas outlet and structure the spray branch pipe and spray head identical with the first spray column;It is set on the side wall of the Complexing Iron storage tank Feed inlet and circulation pipe are equipped with, bottom is provided with discharge port, and the circulation pipe is connected by circulating pump with spray tube, the charging Control valve is both provided on mouth, discharge gate and circulation pipe;Baffle, the baffle position are additionally provided at the top of Complexing Iron storage tank Between the first spray column and the interface of the second spray column and Complexing Iron storage tank.Liquid level is provided on the Complexing Iron storage tank Meter and temperature sensor;Maintenance door is provided on the Complexing Iron storage tank.
The operation principle of the present invention:The present invention is by spraying into complexing ferrous solution and the stink damp in tail gas into spray column Precursor reactant generates ferrous ion and elemental sulfur and realizes absorption to hydrogen sulfide gas, then by air by oxidation of divalent iron ion It can be rejoined in reaction for ferric ion, the reaction is relatively low to the concentration requirement that ferrous solution is complexed, therefore only needs Ensure that oxidation of divalent iron ion can ensure that the assimilation effect of ferrous solution is complexed for the speed of ferric ion, with traditional alkali soluble Liquid phase ratio, does not need to staff and measures the concentration of lye at any time to be less than the minimum concentration that reacts to avoid concentration of lye, And the elemental sulfur generated avoids elemental sulfur and blocks pipeline also from discharge gate direct emission, greatly reduces the labor of staff Fatigue resistance, the present invention not only realize the real-time recycling to spray liquid, and reacting the elemental sulfur of generation can also be returned It receives and utilizes, both reduced environmental protection pressure and also improved economic benefit;The present invention is also sprayed by the first spray column and second simultaneously Complexing ferrous solution in the positive spray and inverse spray and Complexing Iron storage tank of tower carries out three-level absorption processing to tail gas, substantially increases The time of contact of hydrogen sulfide and spray liquid, so as to ensure that hydrogen sulfide can be fully absorbed by spray liquid;The present invention has at absorption Manage the advantages that effect is good, control is easy, maintenance is simple.

Claims (7)

1. including tower body, spray equipment is provided in the tower body for a kind of hydrogen sulfide absorption tower, it is characterised in that:The tower body Including Complexing Iron storage tank(1), the first spray column(2)With the second spray column(3), first spray column(2)With the second spray Tower(3)Simultaneously with Complexing Iron storage tank(1)Connection;First spray column(2)On be provided with air inlet(4)And spray equipment, Second spray column(3)On be provided with spray equipment and exhaust outlet(5);The Complexing Iron storage tank(1)On be provided with circulation pipe(6) And feed inlet(7), the circulation pipe(6)Pass through circulating pump(8)It is connected respectively with spray equipment;The Complexing Iron storage tank(1) On be additionally provided with discharge gate(9).
2. a kind of hydrogen sulfide absorption tower according to claim 1, it is characterised in that:First spray column(2)With second Spray column(3)On be both provided with mounting hole(10), the spray equipment include spray head(11)And spray tube(12), the spray Pipe(12)Pass through mounting hole(10)It is inserted into the first spray column(2)Or second spray column(3)It is interior, and pass through connection bolt(13)Gu It is fixed.
3. a kind of hydrogen sulfide absorption tower according to claim 2, it is characterised in that:The spray tube(12)Under upper according to It is secondary to be provided with 4 layers of spray branch pipe(14), each spray branch pipe(14)On be provided with 9 conduits(15), every conduit(15)On set It is equipped with 8 spray heads(11).
4. a kind of hydrogen sulfide absorption tower according to claim 1, it is characterised in that:The Complexing Iron storage tank(1)On set It is equipped with baffle(16), the baffle(16)Positioned at the first spray column(2)With the second spray column(3)With Complexing Iron storage tank(1)'s Between interface.
5. a kind of hydrogen sulfide absorption tower according to claim 1, it is characterised in that:The Complexing Iron storage tank(1)On set It is equipped with liquid level gauge(17)And temperature sensor(18).
6. a kind of hydrogen sulfide absorption tower according to claim 1, it is characterised in that:The feed inlet(7), discharge gate(9) And circulation pipe(6)On be both provided with control valve(19).
7. a kind of hydrogen sulfide absorption tower according to claim 1, it is characterised in that:The Complexing Iron storage tank(1)On set It is equipped with maintenance door(20).
CN201711417005.4A 2017-12-25 2017-12-25 Hydrogen sulfide absorption tower Pending CN108126495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711417005.4A CN108126495A (en) 2017-12-25 2017-12-25 Hydrogen sulfide absorption tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711417005.4A CN108126495A (en) 2017-12-25 2017-12-25 Hydrogen sulfide absorption tower

Publications (1)

Publication Number Publication Date
CN108126495A true CN108126495A (en) 2018-06-08

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109913276A (en) * 2019-04-29 2019-06-21 南京三聚生物质新材料科技有限公司 A kind of pyrolysis gas of biomass spray equipment and separation method
CN110652784A (en) * 2019-11-04 2020-01-07 河北省农林科学院农业资源环境研究所 Biochar preparation system

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144555B1 (en) * 2001-06-20 2006-12-05 Well To Wire Emissions Control Inc. Method and apparatus for hydrogen sulphide removal
CN205412559U (en) * 2015-12-16 2016-08-03 江苏文凤化纤集团有限公司 Chemical fibre exhaust treatment device
CN106422773A (en) * 2016-11-30 2017-02-22 唐山绿源环保科技有限公司 Gas hydrogen sulfide removal system and desulfurizing method thereof
JP2017148710A (en) * 2016-02-23 2017-08-31 新日鐵住金株式会社 Wet type desulfurization method from hydrogen sulfide containing gas
CN207755980U (en) * 2017-12-25 2018-08-24 宜宾丝丽雅股份有限公司 Hydrogen sulfide absorption tower

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7144555B1 (en) * 2001-06-20 2006-12-05 Well To Wire Emissions Control Inc. Method and apparatus for hydrogen sulphide removal
CN205412559U (en) * 2015-12-16 2016-08-03 江苏文凤化纤集团有限公司 Chemical fibre exhaust treatment device
JP2017148710A (en) * 2016-02-23 2017-08-31 新日鐵住金株式会社 Wet type desulfurization method from hydrogen sulfide containing gas
CN106422773A (en) * 2016-11-30 2017-02-22 唐山绿源环保科技有限公司 Gas hydrogen sulfide removal system and desulfurizing method thereof
CN207755980U (en) * 2017-12-25 2018-08-24 宜宾丝丽雅股份有限公司 Hydrogen sulfide absorption tower

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Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109913276A (en) * 2019-04-29 2019-06-21 南京三聚生物质新材料科技有限公司 A kind of pyrolysis gas of biomass spray equipment and separation method
CN110652784A (en) * 2019-11-04 2020-01-07 河北省农林科学院农业资源环境研究所 Biochar preparation system
CN110652784B (en) * 2019-11-04 2024-03-22 河北省农林科学院农业资源环境研究所 Biochar preparation system

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Application publication date: 20180608

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