CN207102257U - A kind of chlorination reaction tail gas absorption processing unit - Google Patents
A kind of chlorination reaction tail gas absorption processing unit Download PDFInfo
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- CN207102257U CN207102257U CN201721718700.XU CN201721718700U CN207102257U CN 207102257 U CN207102257 U CN 207102257U CN 201721718700 U CN201721718700 U CN 201721718700U CN 207102257 U CN207102257 U CN 207102257U
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- hydrogen chloride
- tourie
- tail gas
- processing unit
- concentration hydrogen
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Abstract
The utility model discloses a kind of chlorination reaction tail gas absorption processing unit, including surge tank, high concentration hydrogen chloride tourie, low concentration hydrogen chloride tourie, hydrogen chloride residual air adsorption tanks and PLC；The problem of the utility model after improving by not only solving in existing way not environmentally, and first use low concentrated hydrochloric acid also to create value for enterprise while solving environmental problem as spray liquid by the way of Water spray, afterwards when implementing；On the other hand, device is to tail gas absorption efficiency high, and vent gas treatment cost is low, avoids the absorption plant of tail gas pollution, and its is easy to use, service life length；The utility model is controlled when operating by PLC, and whole flow process is simple, total is compact；The also more energy-conserving and environment-protective compared with existing same type device.
Description
Technical field
Chlorination reaction vent gas treatment field is the utility model is related to, is specifically a kind of chlorination reaction tail of energy-conserving and environment-protective
Aspiration processing unit.
Background technology
At present, in Chemical Manufacture, main pollution sources have waste gas, waste water and waste residue, if do not dealt carefully with, do not reach such as
It is discharged into environment, environment will be polluted, very not environmentally to defined discharge standard；For industrial waste gas,
Hydrogen chloride gas is to belong to common waste gas, and industry carries out series connection absorption to generally requiring more towers during hydrochlorination, takes
When laborious efficiency it is low, also not environmentally.
Being found by retrieval, patent No. CN201320715873.1 utility model discloses a kind of device for absorbing tail gas,
More particularly to chlorine hydride tail gas absorber.Chlorine hydride tail gas absorber, including be sequentially connected dedusting tank, Water spray tank and
Liquid caustic soda sprayed tank, Water spray tank is interior to be provided with the hydrogen chloride gas shower nozzle and waterfog head set up and down to spray, wherein, hydrogen chloride gas
Body shower nozzle is set down, and waterfog head is set upward；Liquid caustic soda shower nozzle in liquid caustic soda sprayed tank is set down；There is water in dedusting tank,
The air inlet pipe of dedusting tank is passed through in water, and the setting of the escape pipe of dedusting tank is highly higher than the water surface.
Patent No. CN200920139488.0 utility model discloses a kind of chlorination tail gas absorbing device, and it includes warding off glass
Glass reactor, circulation of tail gas absorption tower and graphitic absorber；Circulation of tail gas absorb the bottom of the tower connects pump inlet valve in pipeline
Divide two-way behind the door, connect fatty acid methyl ester absorbing liquid imported valve all the way, another way divides two-way after connecing circulating pump, connects circulation all the way again
Top shower in circulation of tail gas absorption tower, another way connection fatty acid methyl ester absorbing liquid outlet valve are taken back after pump discharge valve
Take back glassed steel reaction vessels again afterwards；The offgas outlet at the top of inlet exhaust gas and glassed steel reaction vessels below circulation of tail gas absorption tower
F pipelines connect, the inlet exhaust gas pipeline connection above the offgas outlet and graphitic absorber at the top of circulation of tail gas absorption tower.
Patent No. CN201521057456.8 utility model discloses a kind of efficient chlorine hydride tail gas absorber, and first
The top of static mixer sets highly concentrated hydrogen chloride tail gas import, and the bottom of the first static mixer sets low dense hydrogen chloride to go out
Mouthful, the top of the first static mixer sets spray liquid import, and the bottom of the first static mixer is connected with highly concentrated hydrochloric acid trough；The
The top of two static mixers sets low dense hydrogen chloride import, and low dense hydrogen chloride import passes through pipeline and the first static mixer
Low dense hydrogen chloride outlet connection, the bottom of the second static mixer is connected with low concentrated hydrochloric acid groove, the top of the second static mixer
Portion sets technique water inlet；The spray liquid import of first static mixer is connected by the pipeline provided with pump with low concentrated hydrochloric acid groove.
It the analysis found that, these existing processing units also have the following disadvantages when handling hydrogen chloride tail gas：Its
One, some existing processing units are when handling hydrogen chloride tail gas, to hydrogen, H chloride absorber frequently with graphite material, graphite equipment
In use, cost is of a relatively high, not environmentally；Second, some existing processing units are adsorbing chlorinated using spray mode
Hydrogen, but lack the Concentration Testing to hydrogen chloride gas in implementation process, thus can not be entered according to its concentration profile
Row separately absorption, therefore efficiency is poor in processing procedure；Third, some existing processing units are adsorbing chlorinated using spray mode
During hydrogen, only just directly discharged after spray, but the unavoidable chlorine for also having a small amount of low concentration in the residual air discharged
Change hydrogen to mix, if certainly will also not environmentally if directly setting a raft going.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of chlorination reaction tail gas absorption processing unit herein,
By improving the problem of not only solving in existing way not environmentally, and this patent first uses the side of Water spray when implementing
Formula, low concentrated hydrochloric acid is used also to create value for enterprise while solving environmental problem as spray liquid afterwards；The opposing party
Face, for described device to tail gas absorption efficiency high, vent gas treatment cost is low, avoids the absorption plant of tail gas pollution, and its use
It is convenient, service life length；The utility model is controlled when operating by PLC, and whole flow process is simple, total is tight
Gather；The also more energy-conserving and environment-protective compared with existing same type device.
The utility model is achieved in that a kind of chlorination reaction tail gas absorption processing unit of construction, including surge tank, height
Concentration hydrogen chloride absorption tank, low concentration hydrogen chloride tourie, hydrogen chloride residual air adsorption tanks and PLC；Surge tank passes through
One pipeline communication high concentration hydrogen chloride tourie, and the first control valve is set on the first pipeline；Meanwhile surge tank also passes through
Two pipeline communication low concentration hydrogen chloride touries, and the second control valve is set on second pipe；High concentration hydrogen chloride tourie
Distinguish external first circulation pump and second circulation pump with low concentration hydrogen chloride tourie；Low concentration hydrogen chloride tourie passes through the 3rd
Pipeline communication high concentration hydrogen chloride tourie, and the 3rd circulating pump is set on the 3rd pipeline, high concentration hydrogen chloride tourie leads to
The 4th pipeline connection low concentration hydrogen chloride tourie is crossed, low concentration hydrogen chloride tourie is connected to hydrogen chloride by the 5th pipeline again
Residual air adsorption tanks；Hydrogen cloride concentration detector is set in surge tank simultaneously, and the hydrogen cloride concentration detector is connected by cable
Be connected to PLC, the output end of PLC connects and controls the first control valve, the second control valve, first circulation pump,
Two circulating pumps and the 3rd circulating pump.
The utility model provides a kind of chlorination reaction tail gas absorption processing unit herein by improving, as shown in Figure 1-Figure 3,
With following improvement and advantage：
One：The chlorination reaction tail gas absorption processing unit includes surge tank, high concentration hydrogen chloride tourie, low concentration
Hydrogen chloride absorption tank, hydrogen chloride residual air adsorption tanks and PLC；Surge tank is inhaled by the first pipeline communication high concentration hydrogen chloride
Closed cans, and the first control valve is set on the first pipeline；Meanwhile surge tank also connects low concentration hydrogen chloride by second pipe and inhaled
Closed cans, and the second control valve is set on second pipe.During implementation, high concentration hydrogen chloride tourie and low concentration hydrogen chloride absorb
Tank distinguishes external first circulation pump and second circulation pump；Low concentration hydrogen chloride tourie passes through the 3rd pipeline communication high concentration chlorination
Hydrogen tourie, and the 3rd circulating pump is set on the 3rd pipeline, high concentration hydrogen chloride tourie is connected low dense by the 4th pipeline
Hydrogen chloride absorption tank is spent, low concentration hydrogen chloride tourie is connected to hydrogen chloride residual air adsorption tanks by the 5th pipeline again；Exist simultaneously
Hydrogen cloride concentration detector is set in surge tank, and the hydrogen cloride concentration detector is connected to PLC, PLC by cable
The output end of controller connects and controls the first control valve, the second control valve, first circulation pump, second circulation pump and the 3rd circulate
Pump.
During processing, tail gas is entered in surge tank, the chlorine by the hydrogen cloride concentration detector that is set in surge tank to feeding
Change hydrogen and carry out Concentration Testing；
（1）If the hydrogen cloride concentration of detection is higher, the control valve of PLC first is opened, and the second control valve is closed,
Gas is entered in high concentration hydrogen chloride tourie through the first pipeline in surge tank, while PLC control starts first and followed
Ring pump, recirculated water is sprayed into high concentration hydrogen chloride tourie from first circulation pump, high concentration is fallen into after generating concentrated hydrochloric acid
In hydrogen chloride absorption tank, if it the hydrogen chloride tail gas not fully absorbed be present in by high concentration hydrogen chloride tourie, that
Gas can be entered in low concentration hydrogen chloride tourie by the 4th pipeline, and now PLC control starts second circulation
Pump, sprayed water from second circulation pump into low concentration hydrogen chloride tourie, generation low-concentration hcl falls into low concentration hydrogen chloride absorption
In tank；
（2）If the hydrogen cloride concentration of detection is relatively low, the control valve of PLC first is closed, and the second control valve is opened,
Gas is entered in low concentration hydrogen chloride tourie through second pipe in surge tank, and now PLC control starts second and followed
Ring pump, sprayed water from second circulation pump into low concentration hydrogen chloride tourie, generation low-concentration hcl falls into low concentration hydrogen chloride suction
In closed cans；
（3）After to vent gas treatment certain time, certain low-concentration hcl can be generated in low concentration hydrogen chloride tourie；
If now detect that hydrogen cloride concentration in surge tank is higher again, then exhaust gas equally enters height through the first pipeline
In concentration hydrogen chloride absorption tank, now PLC control starts the 3rd circulating pump, from the 3rd circulating pump to high concentration hydrogen chloride
The low-concentration hcl in low concentration hydrogen chloride tourie is sprayed in tourie, now by the use of low concentrated hydrochloric acid as spray liquid, more
Meet the requirements, and it is more environmentally friendly；
（4）By the processing of low concentration hydrogen chloride tourie, most of hydrogen chloride gas is absorbed, but is had unavoidably few
Measure hydrogen chloride gas to exist, now gas can be entered in hydrogen chloride residual air adsorption tanks by the 5th pipeline, inhaled by alkali lye
It is attached.
Therefore after the utility model is by above-mentioned improvement, the absorption problem of hydrogen chloride tail gas is not only solved, herein first
As spray liquid by the way of Water spray, afterwards using low concentrated hydrochloric acid, also created while solving environmental problem for enterprise
Value.On the other hand, for described device to tail gas absorption efficiency high, vent gas treatment cost is low, avoids the absorption of tail gas pollution from filling
Put, and its is easy to use, service life length, it is also more environmentally-friendly compared with existing same type device；When the utility model operates
Controlled by PLC, whole flow process is simple, total is compact.
Secondly：Including drainer, drainer is located at surge tank front end；In vent gas treatment：Tail gas containing hydrogen chloride is first
It is delivered in drainer, cooling processing is carried out to it, is easy to links below to operate.
Thirdly：Flow sensor is set on the 3rd pipeline, from flow sensor into high concentration hydrogen chloride tourie
The low concentrated hydrochloric acid of spray is measured, and is easy to later stage control to calculate.
It four：Also include antiseptic and rustproof shell and equipment room, surge tank, high concentration hydrogen chloride tourie, low concentration chlorination
Hydrogen tourie, hydrogen chloride residual air adsorption tanks and drainer are located in antiseptic and rustproof shell, and PLC is located in equipment room 20.
Its structure forms buried structure, equipment meta as shown in Fig. 2 now this part of antiseptic and rustproof shell can be filled in underground
It is easy to operation in ground；So antiseptic and rustproof shell can use glass steel material；It is not account for now to form buried benefit
Ground, and each several part is become one, compact-sized, rationally distributed, reduced investment, operating flexibility are big, it is less to safeguard.
It five：As shown in figure 3, hydrogen chloride residual air adsorption tanks include tank body and the absorption liquid distributor positioned at tank interior；
The upper end of tank body is fixed with exhaust pipe mouth, and absorption liquid distributor upper end is fixed with the adsorption liquid feed liquor mouth of pipe, fixed in tank inner chamber
Plastic filler is installed, residual air air inlet mouth of pipe is installed with tank inner chamber, is provided with the bottom of tank body and connects liquid access slot,
Manhole and venting are additionally provided with tank body.Wherein for hydrogen chloride residual air adsorption tanks when implementing, internal filler is plastic material
（Plastic filler can be Raschig ring）, it is not only light, corrosion-resistant, cost is low, and facilitate whole implementation；In use, liquid by
The adsorption liquid feed liquor mouth of pipe enters tank interior, disperses to walk downwards by adsorbing liquid distributor, hydrogen chloride residual air is entered by air inlet mouth of pipe
Enter tank interior to walk upwards, liquid forms liquid film on the surface of plastic filler and carried out with hydrogen chloride tail gas during decline
Countercurrent mass transfer is exchanged, and reaches absorption purpose, and absorbing liquid is connect liquid access slot and collects discharge, and clean gas is discharged by exhaust pipe mouth.
It six：Exhaust pipe mouth is internally provided with water accepting layer, while sets water accepting layer in exhaust pipe mouth, to the gas discharged
Water suction processing is carried out, prevents steam mixes from wherein discharging.
Brief description of the drawings
Fig. 1 is the theory diagram of the utility model chlorination reaction tail gas absorption processing unit；
Fig. 2 is the implementation block diagram of the utility model chlorination reaction tail gas absorption processing unit；
Fig. 3 is the embodiment schematic diagram of the utility model hydrogen chloride residual air adsorption tanks.
Wherein：Surge tank 1, high concentration hydrogen chloride tourie 2, low concentration hydrogen chloride tourie 3, hydrogen chloride residual air adsorption tanks
4, PLC 5, drainer 6, the first pipeline 7, the first control valve 8, second pipe 9, the second control valve 10, first circulation pump
11, second circulation pump 12, the 3rd pipeline 13, the 3rd circulating pump 14, the 4th pipeline 15, the 5th pipeline 16, hydrogen cloride concentration detection
Device 17, flow sensor 18, antiseptic and rustproof shell 19, equipment room 20, tank body 21, liquid distributor 22 is adsorbed, exhaust pipe mouth 23, is inhaled
Water layer 24, the adsorption liquid feed liquor mouth of pipe 25, plastic filler 26, residual air air inlet mouth of pipe 27, connect liquid access slot 28, manhole 29, venting 30.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing 1- Fig. 3, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and described embodiment is only the utility model part of the embodiment, and
The embodiment being not all of.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creativeness
The every other embodiment obtained under the premise of work, belong to the scope of the utility model protection.
The utility model provides a kind of chlorination reaction tail gas absorption processing unit herein by improving, as shown in Figure 1-Figure 3,
Can be practiced as follows, including surge tank 1, high concentration hydrogen chloride tourie 2, low concentration hydrogen chloride tourie 3,
Hydrogen chloride residual air adsorption tanks 4 and PLC 5；Surge tank 1 connects high concentration hydrogen chloride tourie 2 by the first pipeline 7, and
First control valve 8 is set on the first pipeline 7；Meanwhile surge tank 1 also connects low concentration hydrogen chloride by second pipe 9 and absorbed
Tank 3, and the second control valve 10 is set on second pipe 9.
External first circulation pump 11 and second follows respectively for high concentration hydrogen chloride tourie 2 and low concentration hydrogen chloride tourie 3
Ring pump 12；Low concentration hydrogen chloride tourie 3 connects high concentration hydrogen chloride tourie 2 by the 3rd pipeline 13, and in the 3rd pipeline
3rd circulating pump 14 is set on 13, and high concentration hydrogen chloride tourie 2 connects low concentration hydrogen chloride tourie by the 4th pipeline 15
3, low concentration hydrogen chloride tourie 3 is connected to hydrogen chloride residual air adsorption tanks 4 by the 5th pipeline 16 again；Simultaneously in surge tank 1
Hydrogen cloride concentration detector 17 is set, and the hydrogen cloride concentration detector 17 is connected to PLC 5, PLC controls by cable
The output end of device 5 connects and controls the first control valve 8, the second control valve 10, first circulation pump 11, second circulation pump 12 and the 3rd
Circulating pump 14.
Then into surge tank 1, the hydrogen chloride by the hydrogen cloride concentration detector 17 that is set in surge tank 1 to feeding
Carry out Concentration Testing：
（1）If, detection hydrogen cloride concentration it is higher when, the control valve 8 of PLC 5 first is opened, the second control valve 10
Close, gas is entered in high concentration hydrogen chloride tourie 2 through the first pipeline 7 in surge tank 1, while the control of PLC 5 is opened
Dynamic first circulation pump 11, sprays recirculated water into high concentration hydrogen chloride tourie 2 from first circulation pump 11, generates concentrated hydrochloric acid
After fall into high concentration hydrogen chloride tourie 2, if by the chlorination that does not fully absorb in high concentration hydrogen chloride tourie 2 be present
If hydrogen tail gas, then gas can be entered in low concentration hydrogen chloride tourie 3 by the 4th pipeline 15, now PLC 5
Control starts second circulation pump 12, is sprayed water from second circulation pump 12 into low concentration hydrogen chloride tourie 3, generates low-concentration hcl
Fall into low concentration hydrogen chloride tourie 3；
（2）If, detection hydrogen cloride concentration it is relatively low when, the control valve 8 of PLC 5 first is closed, the second control valve 10
Open, gas is entered in low concentration hydrogen chloride tourie 3 through second pipe 8 in surge tank 1, and the now control of PLC 5 is opened
Dynamic second circulation pump 12, is sprayed water from second circulation pump 12 into low concentration hydrogen chloride tourie 3, and generation low-concentration hcl falls into low
In concentration hydrogen chloride absorption tank 3；
（3）, after to vent gas treatment certain time, can generate certain low concentration of salt in low concentration hydrogen chloride tourie 3
Acid；If now detect that hydrogen cloride concentration in surge tank 1 is higher again, then exhaust gas equally enters through the first pipeline 7
Enter into high concentration hydrogen chloride tourie 2, now PLC 5 control start the 3rd circulating pump 14, from the 3rd circulating pump 14 to
The low-concentration hcl in low concentration hydrogen chloride tourie 3 is sprayed in high concentration hydrogen chloride tourie 2, is now made using low concentrated hydrochloric acid
For spray liquid, more conform to require, and it is more environmentally friendly；
（4）, absorbed by the processing of low concentration hydrogen chloride tourie 3, most of hydrogen chloride gas, but have unavoidably
A small amount of hydrogen chloride gas is present, and now gas can be entered in hydrogen chloride residual air adsorption tanks 4 by the 5th pipeline 16, entered by alkali lye
Row absorption.
Therefore after the utility model is by above-mentioned improvement, the absorption problem of hydrogen chloride tail gas is not only solved, herein first
As spray liquid by the way of Water spray, afterwards using low concentrated hydrochloric acid, also created while solving environmental problem for enterprise
Value.On the other hand, for described device to tail gas absorption efficiency high, vent gas treatment cost is low, avoids the absorption of tail gas pollution from filling
Put, and its is easy to use, service life length, it is also more environmentally-friendly compared with existing same type device；When the utility model operates
Controlled by PLC, whole flow process is simple, total is compact.
Chlorination reaction tail gas absorption processing unit also includes drainer 6, and drainer 6 is located at the front end of surge tank 1；At tail gas
During reason：Tail gas containing hydrogen chloride is first delivered in drainer 6, and cooling processing is carried out to it, is easy to links below to grasp
Make.
Flow sensor 18 is set on the 3rd pipeline 13, from flow sensor 18 to high concentration hydrogen chloride tourie 2
The low concentrated hydrochloric acid of middle spray is measured, and is easy to later stage control to calculate.
Chlorination reaction tail gas absorption processing unit also includes antiseptic and rustproof shell 19 and equipment room 20, surge tank 1, high concentration
Hydrogen chloride absorption tank 2, low concentration hydrogen chloride tourie 3, hydrogen chloride residual air adsorption tanks 4 and drainer 6 are located at antiseptic and rustproof shell
In 19, PLC 5 is located in equipment room 20.Its structure is as shown in Fig. 2 now antiseptic and rustproof this part of shell 19 can be filled out
Underground is embedded in, forms buried structure, equipment room 20 is located at ground, easy to operation；So antiseptic and rustproof shell 19 can use
Glass steel material；It is not take up an area now to form buried benefit, and each several part is become one, compact-sized, and layout is closed
Reason, reduced investment, operating flexibility are big, it is less to safeguard.
As shown in figure 3, hydrogen chloride residual air adsorption tanks 4 include tank body 21 and the absorption liquid distributor inside tank body 21
22；The upper end of tank body 21 is fixed with exhaust pipe mouth 23, and absorption liquid distributor 22 upper end is fixed with the adsorption liquid feed liquor mouth of pipe 25, tank body
Plastic filler 26 is installed with 21 inner chambers, tank body 21 is installed with residual air air inlet mouth of pipe 27 in inner chamber, in tank body 21
Bottom, which is provided with, connects liquid access slot 28, and manhole 29 and venting 30 are additionally provided with tank body 21.Wherein hydrogen chloride residual air adsorption tanks 4
During implementation, internal filler is plastic material（Plastic filler 6 can be Raschig ring）, it is not only light, corrosion-resistant, cost is low, and
And facilitate whole implementation；In use, liquid is entered inside tank body 21 by the adsorption liquid feed liquor mouth of pipe 25, by adsorbing liquid distributor 22
Scattered to walk downwards, hydrogen chloride residual air enters the inside of tank body 21 by air inlet mouth of pipe 27 and walked upwards, and liquid is being moulded during decline
The surface of material filler 26 forms liquid film and exchanged with hydrogen chloride tail gas progress countercurrent mass transfer, reaches absorption purpose, absorbing liquid is connect liquid
Access slot 28 collects discharge, and clean gas is discharged by exhaust pipe mouth 23.
Exhaust pipe mouth 23 is internally provided with water accepting layer 24, while sets water accepting layer 24 in exhaust pipe mouth 23, to what is discharged
Gas carries out water suction processing, prevents steam mixes from wherein discharging.
It should be noted that in current Chemical Manufacture actual production, the model Siemens S7- of PLC 5
200 type PLCs.First control valve 8 is controlled by SIEMENS S 7-200 PLC respectively, the second control valve 10,
The work shape of one circulating pump 11, second circulation pump 12, the 3rd circulating pump 14, hydrogen cloride concentration detector 17 and flow sensor 18
State, it has been the technological means known to those skilled in the art, specific circuit connecting relation those skilled in the art also may be used
Need to carry out wiring connection with the installation according to reality.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
- A kind of 1. chlorination reaction tail gas absorption processing unit, it is characterised in that：Including surge tank（1）, high concentration hydrogen chloride absorption Tank（2）, low concentration hydrogen chloride tourie（3）, hydrogen chloride residual air adsorption tanks（4）And PLC（5）；Surge tank（1）Pass through One pipeline（7）Connect high concentration hydrogen chloride tourie（2）, and in the first pipeline（7）The first control valve of upper setting（8）；It is meanwhile slow Rush tank（1）Also pass through second pipe（9）Connect low concentration hydrogen chloride tourie（3）, and in second pipe（9）It is upper that second control is set Valve processed（10）；High concentration hydrogen chloride tourie（2）With low concentration hydrogen chloride tourie（3）External first circulation pump respectively（11）With second Circulating pump（12）；Low concentration hydrogen chloride tourie（3）Pass through the 3rd pipeline（13）Connect high concentration hydrogen chloride tourie（2）, and In the 3rd pipeline（13）The 3rd circulating pump of upper setting（14）, high concentration hydrogen chloride tourie（2）Pass through the 4th pipeline（15）Connection Low concentration hydrogen chloride tourie（3）, low concentration hydrogen chloride tourie（3）Pass through the 5th pipeline again（16）It is connected to hydrogen chloride residual air Adsorption tanks（4）；Simultaneously in surge tank（1）Middle setting hydrogen cloride concentration detector（17）, the hydrogen cloride concentration detector（17） PLC is connected to by cable（5）, PLC（5）Output end connect and control the first control valve（8）, second control Valve processed（10）, first circulation pump（11）, second circulation pump（12）With the 3rd circulating pump（14）.
- 2. chlorination reaction tail gas absorption processing unit according to claim 1, it is characterised in that：Chlorination reaction tail gas absorption Processing unit also includes drainer（6）, drainer（6）Positioned at surge tank（1）Front end.
- 3. chlorination reaction tail gas absorption processing unit according to claim 1, it is characterised in that：And in the 3rd pipeline（13） Upper setting flow sensor（18）.
- 4. chlorination reaction tail gas absorption processing unit according to claim 2, it is characterised in that：Chlorination reaction tail gas absorption Processing unit also includes antiseptic and rustproof shell（19）And equipment room（20）, surge tank（1）, high concentration hydrogen chloride tourie（2）, it is low Concentration hydrogen chloride absorption tank（3）, hydrogen chloride residual air adsorption tanks（4）And drainer（6）Positioned at antiseptic and rustproof shell（19）It is interior, PLC Controller（5）Positioned at equipment room（20）It is interior.
- 5. chlorination reaction tail gas absorption processing unit according to claim 4, it is characterised in that：The antiseptic and rustproof shell （19）Using glass steel material.
- 6. chlorination reaction tail gas absorption processing unit according to claim 1, it is characterised in that：The hydrogen chloride residual air is inhaled Attached tank（4）Including tank body（21）With positioned at tank body（21）Internal absorption liquid distributor（22）；Tank body（21）Upper end be fixed with Exhaust pipe mouth（23）, adsorb liquid distributor（22）Upper end is fixed with the adsorption liquid feed liquor mouth of pipe（25）, tank body（21）It is fixed in inner chamber Plastic filler is installed（26）, tank body（21）Residual air air inlet mouth of pipe is installed with inner chamber（27）, in tank body（21）Bottom It is provided with and connects liquid access slot（28）, in tank body（21）On be additionally provided with manhole（29）And venting（30）.
- 7. chlorination reaction tail gas absorption processing unit according to claim 6, it is characterised in that：The exhaust pipe mouth（23） It is internally provided with water accepting layer（24）, while in exhaust pipe mouth（23）Water accepting layer is set（24）.
- 8. chlorination reaction tail gas absorption processing unit according to claim 1, it is characterised in that：PLC（5）Type Number it is SIEMENS S 7-200 PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718700.XU CN207102257U (en) | 2017-12-09 | 2017-12-09 | A kind of chlorination reaction tail gas absorption processing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718700.XU CN207102257U (en) | 2017-12-09 | 2017-12-09 | A kind of chlorination reaction tail gas absorption processing unit |
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| Publication Number | Publication Date |
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| CN207102257U true CN207102257U (en) | 2018-03-16 |
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| CN201721718700.XU Expired - Fee Related CN207102257U (en) | 2017-12-09 | 2017-12-09 | A kind of chlorination reaction tail gas absorption processing unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926961A (en) * | 2018-07-25 | 2018-12-04 | 乳源东阳光氟树脂有限公司 | A kind of hydrogen chloride water washing cycles absorption system and its application |
| CN111068466A (en) * | 2019-12-04 | 2020-04-28 | 新晃新中化工有限责任公司 | Tail gas treatment system for chlor-alkali production line |
-
2017
- 2017-12-09 CN CN201721718700.XU patent/CN207102257U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108926961A (en) * | 2018-07-25 | 2018-12-04 | 乳源东阳光氟树脂有限公司 | A kind of hydrogen chloride water washing cycles absorption system and its application |
| CN111068466A (en) * | 2019-12-04 | 2020-04-28 | 新晃新中化工有限责任公司 | Tail gas treatment system for chlor-alkali production line |
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