CN107983098A - A kind of tail gas absorption processing unit - Google Patents
A kind of tail gas absorption processing unit Download PDFInfo
- Publication number
- CN107983098A CN107983098A CN201711423581.XA CN201711423581A CN107983098A CN 107983098 A CN107983098 A CN 107983098A CN 201711423581 A CN201711423581 A CN 201711423581A CN 107983098 A CN107983098 A CN 107983098A
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- China
- Prior art keywords
- tail gas
- recycling
- air inlet
- reaction vessels
- absorbers
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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
- B01D53/14—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 by absorption
- B01D53/1418—Recovery of products
-
- 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
- B01D53/14—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 by absorption
- B01D53/1456—Removing acid components
-
- 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
- B01D53/14—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 by absorption
- B01D53/1493—Selection of liquid materials for use as absorbents
-
- 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
- B01D53/14—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 by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
- B01D2257/204—Inorganic halogen compounds
- B01D2257/2045—Hydrochloric acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of tail gas absorption processing unit, including recycling system and absorb two big system of processing system, further include exhausting pipeline, recycling system and absorption processing system are linked together by exhausting pipeline, recycling system includes vacuum buffer tank, glassed steel reaction vessels and concentration unit, absorbing processing system includes No.1 tail gas absorber, No. two tail gas absorbers and No. three tail gas absorbers, and three is serially connected in the form of end to end two-by-two.It is an advantage of the invention that：The hydrogen chloride gas of recoverable in tail gas and water reaction are changed into low-concentration hcl, and after put into production after concentrate, reduce the use cost of hydrochloric acid in production process；By the toxic and harmful gas in tail gas after the processing of absorption layer by layer of tail gas absorber, discharged again after detoxification, to environment and the equal non-hazardous of human body.
Description
Technical field
The present invention relates to tail gas treatment device field, and in particular to a kind of tail gas absorption processing unit.
Background technology
During industrial production, especially chemical industry are manufactured, substantial amounts of tail gas is often produced, these tail gas one
As have the mixing of carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxides, hydrogen chloride, carbon monoxide or several gases
Thing, if these tail gas are directly discharged into air, can not only cause air more serious pollution, serious wound can be also caused to human body
Evil, these tail gas enter the internal of people by different approach respiratory tracts, and some directly produces harm, and some, which also has to accumulate, to be made
With, it can more severely compromise the health of people, and partial tail gas smell is more choked people, can be to the normal operating of workshop worker
Affect, and then influence production process.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of tail gas absorption processing unit, tail gas can be handled
After valuable gases is recycled, while also eliminate toxic and harmful gas harmfulness.
The technical solution adopted by the present invention is：
A kind of tail gas absorption processing unit, including recycling system and absorption two big system of processing system, further include blow-down pipe
Road, the recycling system and absorption processing system are linked together by exhausting pipeline；The recycling system includes
Six identical subsystems, each subsystem include vacuum buffer tank, glassed steel reaction vessels and concentration unit, and vacuum is delayed
Rush on tank and leave air inlet I, gas outlet and vacuum port, water inlet, drain and air inlet are left on glassed steel reaction vessels kettle cover
II, discharge port is left in bottom, and inside is filled with clear water, the air inlet on gas outlet and glassed steel reaction vessels on vacuum buffer tank
II is linked together by transition conduit, and the discharge port on glassed steel reaction vessels in six subsystems passes through recovery channel respectively
It is connected with concentration unit, the recycling system is linked together by admission line and tail gas source kettle, and six points are
Air inlet I on vacuum buffer tank in system is connected with admission line respectively；The absorption processing system includes No.1 tail gas
Absorption tower, No. two tail gas absorbers and No. three tail gas absorbers, three is serially connected in the form of end to end two-by-two, described
The left bottom of No.1 tail gas absorber is connected with exhausting pipeline, the other end of the exhausting pipeline respectively with recycling system
In drain on six glassed steel reaction vessels be connected.
Further, water stream injection pump, the admission line are also equipped with the air inlet II on the glassed steel reaction vessels
Including inlet manifold road, and the normal thereto six air inlet subtube separated from inlet manifold road, six air inlets are in charge of
The other end in road is connected with the air inlet I on six vacuum buffer tanks respectively, and the recovery channel includes recycling total pipeline, with
And recycling subtube from normal thereto six that separate on recycling total pipeline, the other ends of six recycling subtubes are respectively with six
Discharge port on a glassed steel reaction vessels is connected, and vacuum cycle pump is also separately installed with the recycling subtube, described true
Idle loop pump is connected with water stream injection pump by circulating line.
Further, the No.1 tail gas absorber is packed absorber, and absorbent is clear water, No. two tail gas absorptions
Tower and No. three tail gas absorbers are rotating stream tray scrubber, and absorbent is liquid caustic soda.
Further, the left side bottom of the No.1 tail gas absorber, No. two tail gas absorbers and No. three tail gas absorbers
Circulating pump is both provided with, and air inducing is also equipped with the connecting pipe between No. two tail gas absorbers and No. three tail gas absorbers
Machine.
Further, chuck is enclosed with outside the glassed steel reaction vessels, chuck water inlet is additionally provided with the chuck
With chuck water outlet.
The beneficial effects of the invention are as follows：1st, the hydrogen chloride gas of recoverable in tail gas and water reaction are changed into low dense
Spend hydrochloric acid, and after put into production after concentrate, reduce the use cost of hydrochloric acid in production process；2nd, poisonous in tail gas is had
Evil gas is discharged, to environment and the equal non-hazardous of human body again after the processing of absorption layer by layer of tail gas absorber after detoxification.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of vacuum buffer tank in the present invention.
Fig. 3 is the structure diagram of glassed steel reaction vessels in the present invention.
Wherein：1st, recycling system, 2, absorb processing system, 3, exhausting pipeline, 4, tail gas source kettle, 11, vacuum delays
Rush tank, 12, glassed steel reaction vessels, 13, concentration unit, 14, vacuum cycle pump, 15, water stream injection pump 16, admission line, 17, recycling
Pipeline, 18, circulating line, 19, transition conduit, 21, No.1 tail gas absorber, 22, No. two tail gas absorbers, 23, No. three tail gas
Absorption tower, 24, circulating pump, 25, air-introduced machine, 111, air inlet I, 112, gas outlet, 113, vacuum port, 121, water inlet, 122,
Drain, 123, air inlet II, 124, discharge port, 125, chuck, 126, chuck water inlet, 127, chuck water outlet, 161, into
Gas total pipeline, 162, air inlet subtube, 171, recycling total pipeline, 172, recycling subtube.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
Embodiment is only used for explaining the present invention, does not restrict the protection scope of the present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of tail gas absorption processing unit, including recycling system 1 and absorption processing system
System 2, further includes exhausting pipeline 3, recycling system 1 includes six identical subsystems, and each subsystem is delayed including vacuum
Tank 11 and glassed steel reaction vessels 12 are rushed, air inlet I 111, gas outlet 112 and vacuum port 113 are left on vacuum buffer tank 11, wards off glass
Water inlet 121, drain 122 and air inlet II 123 are left on 12 kettle cover of glass reaction kettle, discharge port 124 is left in bottom, and wards off glass
Clear water is filled with glass reaction kettle 12, accounts for the 70% of 12 volume of glassed steel reaction vessels, the air inlet II on glassed steel reaction vessels 12
Water stream injection pump 15 is installed, the gas outlet 112 on vacuum buffer tank 11 and the water stream injection pump 15 on glassed steel reaction vessels 12 at 123
It is connected by transition conduit 19, recycling system 1 is connected with tail gas source kettle 4 by admission line 16, admission line
16 include inlet manifold road 161, and branch away from inlet manifold road 161 and normal thereto six air inlet subtubes 162,
The other end of six air inlet subtubes 162 is connected with the air inlet I 111 of six vacuum buffer tanks 11 respectively, enamel reaction
Kettle 12 is connected with concentration unit 13 by recovery channel 17, and recovery channel 17 includes recycling total pipeline 171, and total from recycling
Six recycling subtubes 172 branched away on pipeline 171 and normal thereto, the other end difference of six recycling subtubes 172
It is connected with the discharge port 124 on six glassed steel reaction vessels 12, and vacuum cycle is mounted on six recycling subtubes 172
Pump 14, while vacuum cycle pump 14 is connected with water stream injection pump 15 further through circulating line 18, the outside of glassed steel reaction vessels 12 is
Chuck 125 is enclosed with, chuck water inlet 126 and chuck water outlet 127 are additionally provided with chuck 125；
Absorbing processing system 2 includes 21, No. two tail gas absorbers 22 of No.1 tail gas absorber and No. three tail gas absorbers 23, No.1
Tail gas absorber 21 is packed absorber, and absorbent is clear water, and No. two tail gas absorbers 22 and No. three tail gas absorbers 23 are
Rotating stream tray scrubber, absorbent are 15% liquid caustic soda, and three is serially connected by end to end form two-by-two, and three's bottom, right
Side is mounted on circulating pump 24, is also equipped with the connecting pipe between No. two tail gas absorbers 22 and No. three tail gas absorbers 23
Air-introduced machine 25,21 left bottom of No.1 tail gas absorber are connected with exhausting pipeline 3, the other end of exhausting pipeline 3 respectively with six
Drain 122 on glassed steel reaction vessels 12 is connected.
Above-mentioned a kind of tail gas absorption processing unit, in use, the tail gas in tail gas source kettle 4 is fallen by admission line 16
Six vacuum buffer tanks 11 are sucked, the valve on ON cycle pipeline 18 opens vacuum cycle pump 14, in glassed steel reaction vessels 12
Water flowed out from discharge port 124, via vacuum cycle pump 14, along circulating line 18 enter water stream injection pump 15, due to the height of water
Flow velocity produces vacuum in the rear side of water stream injection pump 15, and water stream injection pump 15 is whereby by transition conduit 19 from suck-back in vacuum buffer tank 11
Tail gas, the hydrogen chloride gas in tail gas are only absorbed by the water dissolving, generate the hydrochloric acid of low concentration, treat that the water in glassed steel reaction vessels 12 reaches
To saturation state, the valve on circulating line 18 is closed, opens the valve on recycling subtube 172, low-concentration hcl is from recycling
Pipeline 17 flows into concentration unit 13, through 13 concentrate of concentration unit into the hydrochloric acid that can be put into production use, glassed steel reaction vessels 12 1
When be difficult to the unnecessary hydrogen chloride gas that absorbs and other gas componants absorption processing then sucked by air-introduced machine 25 from exhausting pipeline 3
System 2, No.1 tail gas absorber 21, which absorbs, dissolves unnecessary hydrogen chloride gas, No. two tail gas absorbers 22 and No. three tail gas absorptions
Tower 23 then removes the component such as poisonous and hazardous sulphur in gas by neutralization of acid with base, is finally left clean gas, from No. three
30 meters of delivery pipes on tail gas absorber 23 carry out high altitude discharge, in No. two tail gas absorbers 22 and No. three tail gas absorbers 23
Liquid caustic soda needs periodically to carry out the measurement of pH value to it, when pH value reaches 7, then needs to rejoin 15% liquid caustic soda, to ensure to having
The assimilation effect of malicious harmful components.
Claims (5)
- A kind of 1. tail gas absorption processing unit, it is characterised in that including recycling system and two big system of processing system is absorbed, Exhausting pipeline is further included, the recycling system and absorption processing system are linked together by exhausting pipeline；The recycling Include six identical subsystems using system, each subsystem includes vacuum buffer tank, glassed steel reaction vessels and carries Dense device, leaves air inlet I, gas outlet and vacuum port on vacuum buffer tank, water inlet is left on glassed steel reaction vessels kettle cover, is put Eat dishes without rice or wine and air inlet II, discharge port is left in bottom, and inside be filled with clear water, gas outlet and enamel reaction on vacuum buffer tank Air inlet II on kettle is linked together by transition conduit, the discharge port difference on the glassed steel reaction vessels in six subsystems It is connected by recovery channel with concentration unit, the recycling system is connected to one by admission line and tail gas source kettle Rise, the air inlet I on vacuum buffer tank in six subsystems is connected with admission line respectively；The absorption processing system bag Include No.1 tail gas absorber, No. two tail gas absorbers and No. three tail gas absorbers, three is concatenated in the form of end to end two-by-two Together, the left bottom of the No.1 tail gas absorber is connected with exhausting pipeline, the other end of the exhausting pipeline respectively with Drain in recycling system on six glassed steel reaction vessels is connected.
- 2. a kind of tail gas absorption processing unit according to claim 1, it is characterised in that on the glassed steel reaction vessels Water stream injection pump is also equipped with air inlet II, the admission line includes inlet manifold road, and is separated from inlet manifold road Normal thereto six air inlet subtube, the other ends of six air inlet subtubes respectively with the air inlet on six vacuum buffer tanks Mouth I is connected, and the recovery channel includes recycling total pipeline, and normal thereto six separated from recycling total pipeline return Contracture pipeline, the other end of six recycling subtubes are connected with the discharge port on six glassed steel reaction vessels respectively, described time Vacuum cycle pump is also separately installed with contracture pipeline, the vacuum cycle pump is connected with water stream injection pump by circulating line.
- 3. a kind of tail gas absorption processing unit according to claim 1, it is characterised in that the No.1 tail gas absorber is Packed absorber, absorbent are clear water, and No. two tail gas absorbers and No. three tail gas absorbers are rotating stream tray scrubber, and absorbent is Liquid caustic soda.
- A kind of 4. tail gas absorption processing unit according to claim 1, it is characterised in that the No.1 tail gas absorber, The left side bottom of No. two tail gas absorbers and No. three tail gas absorbers is both provided with circulating pump, and No. two tail gas absorbers and No. three Air-introduced machine is also equipped with connecting pipe between tail gas absorber.
- 5. a kind of tail gas absorption processing unit according to claim 1, it is characterised in that equal outside the glassed steel reaction vessels Chuck is enclosed with, chuck water inlet and chuck water outlet are additionally provided with the chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423581.XA CN107983098A (en) | 2017-12-25 | 2017-12-25 | A kind of tail gas absorption processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423581.XA CN107983098A (en) | 2017-12-25 | 2017-12-25 | A kind of tail gas absorption processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107983098A true CN107983098A (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711423581.XA Pending CN107983098A (en) | 2017-12-25 | 2017-12-25 | A kind of tail gas absorption processing unit |
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| Country | Link |
|---|---|
| CN (1) | CN107983098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699894A (en) * | 2022-03-07 | 2022-07-05 | 中船(邯郸)派瑞特种气体股份有限公司 | Recovery device and method for residual gas of gas-liquid hydrolysis reaction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201147664Y (en) * | 2007-11-26 | 2008-11-12 | 高邮市有机化工厂 | Whole set processing equipment for hydrogenchloride and sulfuric dioxide tail gas |
| CN202193613U (en) * | 2010-11-04 | 2012-04-18 | 南通嘉禾化工有限公司 | Device for recycling dilute hydrochloric acid from tail gas containing hydrogen chloride gas |
| CN104138703A (en) * | 2014-08-06 | 2014-11-12 | 山东凯盛新材料有限公司 | Waste gas treatment process and device in isophthaloyl dichloride/paraphthaloyl chloride production |
| CN208003705U (en) * | 2017-12-25 | 2018-10-26 | 韩廷刚 | A kind of tail gas absorption processing unit |
-
2017
- 2017-12-25 CN CN201711423581.XA patent/CN107983098A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201147664Y (en) * | 2007-11-26 | 2008-11-12 | 高邮市有机化工厂 | Whole set processing equipment for hydrogenchloride and sulfuric dioxide tail gas |
| CN202193613U (en) * | 2010-11-04 | 2012-04-18 | 南通嘉禾化工有限公司 | Device for recycling dilute hydrochloric acid from tail gas containing hydrogen chloride gas |
| CN104138703A (en) * | 2014-08-06 | 2014-11-12 | 山东凯盛新材料有限公司 | Waste gas treatment process and device in isophthaloyl dichloride/paraphthaloyl chloride production |
| CN208003705U (en) * | 2017-12-25 | 2018-10-26 | 韩廷刚 | A kind of tail gas absorption processing unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699894A (en) * | 2022-03-07 | 2022-07-05 | 中船(邯郸)派瑞特种气体股份有限公司 | Recovery device and method for residual gas of gas-liquid hydrolysis reaction |
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