CN208003705U

CN208003705U - A kind of tail gas absorption processing unit

Info

Publication number: CN208003705U
Application number: CN201721833194.9U
Authority: CN
Inventors: 韩廷刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-25
Filing date: 2017-12-25
Publication date: 2018-10-26
Anticipated expiration: 2027-12-25

Abstract

The utility model discloses a kind of tail gas absorption processing units, including recycling system and absorb two big system of processing system, it 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, it includes No.1 tail gas absorber, No. two tail gas absorbers and No. three tail gas absorbers to absorb processing system, and three is serially connected in the form of end to end two-by-two.The utility model has the advantages that：The hydrogen chloride gas of recoverable in tail gas is reacted with water and is converted to 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 absorption layer by layer of tail gas absorber processing, discharged again after detoxification, it is non-hazardous to environment and human body.

Description

A kind of tail gas absorption processing unit

Technical field

The utility model is related to tail gas treatment device fields, and in particular to a kind of tail gas absorption processing unit.

Background technology

During industrial production, especially chemical industry are manufactured, a large amount of tail gas is often will produce, 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 Object can not only cause air more serious pollution, serious wound can be also caused to human body if these tail gas are directly discharged into air Evil, these tail gas enter the internal of people by different approach respiratory tracts, and some directly generates harm, and some, which also has to accumulate, to be made With, the health of people can be endangered more seriously, and partial tail gas smell is more choked people, it can be to the normal operating of workshop worker It affects, and then influences production process.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of tail gas absorption processing unit, tail gas can be carried out So that valuable gases is recycled after processing, while also eliminating the harmfulness of toxic and harmful gas.

The technical solution adopted in the utility model is：

A kind of tail gas absorption processing unit, including recycling system and absorption two big system of processing system, further include putting Vacant duct, the recycling system and absorption processing system are linked together by exhausting pipeline；The recycling system Including six identical subsystems, each subsystem is including vacuum buffer tank, glassed steel reaction vessels and concentration unit, very There are air inlet I, gas outlet and vacuum port on empty buffer tank, on glassed steel reaction vessels kettle cover there are water inlet, drain and into Gas port II, there are discharge port, inside is filled with clear water for bottom end, on the gas outlet and glassed steel reaction vessels on vacuum buffer tank into Gas port II is linked together by transition conduit, and the discharge port on glassed steel reaction vessels in six subsystems passes through recycling respectively Pipeline is connected with concentration unit, and the recycling system is linked together by admission line and tail gas source kettle, six Air inlet I on vacuum buffer tank in subsystem is connected with admission line respectively；The absorption processing system includes No.1 Tail gas absorber, No. two tail gas absorbers and No. three tail gas absorbers, three are serially connected in the form of end to end two-by-two, The left bottom of the No.1 tail gas absorber is connected with exhausting pipeline, the other end of the exhausting pipeline respectively with recycling Drain in system on six glassed steel reaction vessels is connected.

Further, water stream injection pump, the admission line are also equipped on the air inlet II on the glassed steel reaction vessels Including inlet manifold road, and six air inlet subtubes normal thereto for being 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 the six recycling subtubes normal thereto separated from 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 on 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 end of the No.1 tail gas absorber, No. two tail gas absorbers and No. three tail gas absorbers It is both provided with circulating pump, and air inducing is also equipped in the connecting pipe between No. two tail gas absorbers and No. three tail gas absorbers Machine.

Further, it is enclosed with chuck outside the glassed steel reaction vessels, chuck water inlet is additionally provided on the chuck With chuck water outlet.

The utility model has the beneficial effects that：1, the hydrogen chloride gas of recoverable in tail gas is reacted with water and is converted to Low-concentration hcl, and after put into production after concentrate, reduce the use cost of hydrochloric acid in production process；2, by having in tail gas Malicious pernicious gas is discharged, to environment and the equal nothing of human body again after the absorption layer by layer of tail gas absorber processing after detoxification Harm.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of vacuum buffer tank in the utility model.

Fig. 3 is the structural schematic diagram of glassed steel reaction vessels in the utility model.

Wherein：1, recycling system, 2, absorb processing system, 3, exhausting pipeline, 4, tail gas source kettle, 11, vacuum it is slow 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.

Specific implementation mode

In order to deepen the understanding to the utility model, the utility model is made below in conjunction with embodiment and attached drawing further It is described in detail, which is only used for explaining the utility model, does not constitute the restriction to the scope of protection of the utility model.

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, and recycling system 1 includes six identical subsystems, and each subsystem is slow including vacuum It rushes tank 11 and glassed steel reaction vessels 12, there are air inlet I 111, gas outlet 112 and vacuum port 113 on vacuum buffer tank 11, wards off glass There are water inlet 121, drain 122 and air inlet II 123 on 12 kettle cover of glass reaction kettle, there are discharge ports 124 for bottom, and ward off glass It is filled with clear water in 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 is branched away from inlet manifold road 161 and six air inlet subtubes 162 normal thereto, The other end of six air inlet subtubes 162 is connected with the air inlet of six vacuum buffer tanks 11 I 111 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 18,12 outside of glassed steel reaction vessels is It is enclosed with chuck 125, chuck water inlet 126 and chuck water outlet 127 are additionally provided on chuck 125；

It absorbs processing system 2 and 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, No. two tail gas absorbers 22 and No. three tail gas absorbers 23 It is rotating stream tray scrubber, the liquid caustic soda that absorbent is 15%, three is serially connected by end to end form two-by-two, and three bottom It is mounted on circulating pump 24 on the right side of portion, is also pacified in the connecting pipe between No. two tail gas absorbers 22 and No. three tail gas absorbers 23 Equipped with air-introduced machine 25,21 left bottom of No.1 tail gas absorber is connected with exhausting pipeline 3, the other end of exhausting pipeline 3 respectively with Drain 122 on six 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 from discharge port 124 flow out, via vacuum cycle pump 14, along circulating line 18 enter water stream injection pump 15, due to the height of water Flow velocity generates 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, wait for 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 at the hydrochloric acid that can be put into production use, glassed steel reaction vessels 12 1 When be difficult to the extra hydrogen chloride gas and other gas componants absorbed then from exhausting pipeline 3 by air-introduced machine 25 suck absorption processing System 2, No.1 tail gas absorber 21, which absorbs, dissolves extra hydrogen chloride gas, No. two tail gas absorbers 22 and No. three tail gas absorptions Tower 23 then removes the ingredients 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

1. a kind of tail gas absorption processing unit, which is characterized in that including recycling system and two big system of processing system is absorbed, Further include exhausting pipeline, 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, there are air inlet I, gas outlet and vacuum port on vacuum buffer tank, on glassed steel reaction vessels kettle cover there are water inlet, put It eats dishes without rice or wine and air inlet II, there are discharge port, inside is filled with clear water for bottom end, and the gas outlet on vacuum buffer tank is reacted with enamel 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 with concentration unit by recovery channel, the recycling system is connected to one by admission line and tail gas source kettle It rises, the air inlet I on vacuum buffer tank in six subsystems is connected with admission line respectively；The absorption processing system packet 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, which is characterized in that on the glassed steel reaction vessels Water stream injection pump is also equipped on air inlet II, the admission line includes inlet manifold road, and is separated from inlet manifold road Six air inlet subtubes normal thereto, 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 time separated from recycling total pipeline The other end of contracture pipeline, six recycling subtubes is connected with the discharge port on six glassed steel reaction vessels respectively, described time Vacuum cycle pump is also separately installed on 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, which is characterized 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.

4. a kind of tail gas absorption processing unit according to claim 1, which is characterized in that the No.1 tail gas absorber, The left side bottom end 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 It is also equipped with air-introduced machine in connecting pipe between tail gas absorber.

5. a kind of tail gas absorption processing unit according to claim 1, which is characterized in that equal outside the glassed steel reaction vessels It is enclosed with chuck, chuck water inlet and chuck water outlet are additionally provided on the chuck.