CN106076075A - Tail gas recycle cleaning equipment in a kind of benzene chloride production - Google Patents
Tail gas recycle cleaning equipment in a kind of benzene chloride production Download PDFInfo
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- CN106076075A CN106076075A CN201610630509.3A CN201610630509A CN106076075A CN 106076075 A CN106076075 A CN 106076075A CN 201610630509 A CN201610630509 A CN 201610630509A CN 106076075 A CN106076075 A CN 106076075A
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- benzene
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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
- B01D53/18—Absorbing units; Liquid distributors therefor
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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
- B01D53/1406—Multiple stage absorption
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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
- B01D53/1487—Removing organic compounds
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention proposes tail gas recycle cleaning equipment in a kind of benzene chloride production, including benzene absorbing mechanism, benzene absorbing mechanism includes the first benzene absorption plant, the second benzene absorption plant ..., the n-th benzene absorption plant, m benzene absorption plant is provided with m benzene absorption tower, m benzene circulating slot, m benzene circulating pump, being provided with benzene absorbing liquid in m benzene circulating slot, m benzene circulating slot is provided with m groove inlet, m groove liquid outlet.The present invention makes full use of and absorbs and the feature of absorption Liang Ge mechanism operation, the effectively organic gas such as the benzene in tail gas and Benzene Chloride in absorption cleaning benzene chloride production, absorption operation is applicable to the operation of big concentration of component, treating capacity is big, energy consumption is low, and adsorption operations can reduce the content of organics in tail gas further, tail gas is made to reach discharge standard.Apparatus of the present invention overall efficiency is high and energy consumption is low, and operating cost is low, can accomplish safe and environment-friendly, nuisanceless to greatest extent.
Description
Technical field
The present invention relates to Benzene Chloride exhaust system technical field, particularly relate to tail gas recycle in a kind of benzene chloride production and purify
Equipment.
Background technology
Benzene Chloride is a kind of basic organic chemical industry raw material, and primary raw material is benzene and chlorine, and dried purified petroleum benzin passes through catalyst
Effect, with chlorine generation chlorination reaction in chlorinator, the acid chlorization liquid obtained after reaction anhydrates, alkali cleaning process, be dried
Rear entrance is thick, rectifying column distillation obtains finished product Benzene Chloride.Benzene chloride production is benzene chlorination under fluidized state, has chlorine in product
Change benzene and hydrogen chloride gas.Due to high temperature continuous chlorination process, the removal of reaction heat realizes by the evaporation gasification of benzene, therefore gives birth to
Mainly having benzene vapor, a small amount of Benzene Chloride steam and noble gas in the tail gas become, direct discharge not only causes the wasting of resources, and
Environment can be produced severe contamination.Existing technique falling liquid film circulating slot interval renews fresh absorbing liquid once, during reloading in eight hours
In tail gas, benzene content is unstable, the highest rises to hundreds of ppm, affects follow-up system relatively big, tail gas in safety and energy consumption
Directly it is vented after afterbody packed tower, often containing a large amount of benzene vapours, by analysis, the two of benzene chloride production in tail gas
Containing benzene 2000～6000ppm in section tail gas, not only to environment, employee's health is also resulted in very major injury, the most all
It is difficult to effectively be solved.
Summary of the invention
Based on technical problem present in background technology, the present invention proposes tail gas recycle in a kind of benzene chloride production and purifies
Equipment.
Tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes, including benzene absorbing mechanism, wherein:
Benzene absorbing mechanism includes the first benzene absorption plant, the second benzene absorption plant ..., the n-th benzene absorption plant, and m benzene is inhaled
Receiving apparatus is provided with m benzene absorption tower, m benzene circulating slot, m benzene circulating pump, and m benzene absorption tower includes m tower body, m tower body
The most vertically two m dividing plates are arranged at interval, and two m dividing plates enter being separated into m in m tower body the most successively
Air cavity, m cooling chamber, m gas-liquid separation chamber, m tower body is provided with the m tower air inlet that communicates with m inlet chamber, m tower enters
Liquid mouth, m tower body is provided with m tower liquid outlet, the m tower gas outlet communicated with m gas-liquid separation chamber, and m tower body is provided with and m
The m cooling medium inlet of cooling chamber connection, the outlet of m cooling medium, the m that vertically layout is distributed in m cooling chamber inhales
Closed tube, m absorption tube two ends connect with m inlet chamber, m gas-liquid separation chamber respectively；It is provided with benzene in m benzene circulating slot to absorb
Liquid, m benzene circulating slot is provided with m groove inlet, m groove liquid outlet, and the m tower inlet of m benzene absorption plant passes through m benzene
Circulating pump and m groove liquid outlet connect, and the m tower liquid outlet of m benzene absorption plant and m groove inlet connect, and m benzene absorbs
The m tower gas outlet of device m+1 tower air inlet with m+1 benzene absorption plant respectively is connected；Wherein: n, m are natural number,
n>m≥1。
Preferably, also including that benzene adsorbing mechanism, benzene adsorbing mechanism include the benzene adsorber of multiple parallel connection, benzene adsorber includes
Absorption casing, is equipped with adsorption stuffing in each adsorption box body, and each absorption casing is equipped with absorption air inlet, absorbs QI KOU, heat
Source import and thermal source outlet, the absorption air inlet of each absorption casing is all connected with the n-th tower gas outlet of the n-th benzene absorption plant.
Preferably, the m absorption tube of m benzene absorption plant uses phenolic impregnated graphite material film supplying tube.
Preferably, the m benzene circulating slot of m benzene absorption plant is provided with m groove gas outlet, m groove gas outlet and m+1 benzene
The m+1 tower air inlet of absorption plant connects, and the n-th groove gas outlet is connected with the absorption air inlet of each benzene adsorber.
Preferably, m benzene circulating slot and m+1 benzene circulating slot connection and m+1 benzene circulating slot in benzene absorbing liquid overflow
Enter m benzene circulating slot.
Preferably, m benzene circulating slot liner phenolic fiberglass reinforced plastics anticorrosive coat.
Preferably, absorption box house adsorption stuffing uses activated carbon fiber filler, absorption air inlet to be arranged on adsorption box
Body bottom, absorbs QI KOU and is arranged on absorption casing top.
Preferably, absorption box house is additionally provided with filter screen, and filter screen is positioned at below adsorption stuffing.
Preferably, filter screen is arranged on absorption cabinet wall by gripper shoe and pressing plate.
Preferably, benzene absorbing mechanism includes the first benzene absorption plant, the second benzene absorption plant and triphen absorption plant.
The operation principle of the present invention is as follows: will contain benzene 2000～6000ppm Benzene Chloride two-stage nitration tail gas and pass sequentially through benzene absorption
Mechanism, benzene adsorbing mechanism, benzene and Benzene Chloride organic gas are absorbed in benzene absorbing mechanism and benzene adsorbing mechanism, remaining gas
Enter lower one cleaning procedure.
The present invention makes full use of and absorbs and the feature of two unit operations of absorption, and absorption operation is applicable to big concentration of component behaviour
Making, treating capacity is big, and energy consumption is low, and adsorption operations can reduce the content of organics in tail gas further, makes tail gas reach discharge
Standard.Apparatus of the present invention overall efficiency is high and energy consumption is low, and operating cost is low, can accomplish safe and environment-friendly, without public to greatest extent
Evil.
Accompanying drawing explanation
Fig. 1 is tail gas recycle cleaning equipment structural representation in a kind of benzene chloride production that the present invention proposes；
Fig. 2 is that the first benzene adsorption tower structure of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes is shown
It is intended to；
Fig. 3 is that the second benzene adsorption tower structure of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes is shown
It is intended to；
Fig. 4 is that in a kind of benzene chloride production that the present invention proposes, the triphen adsorption tower structure of tail gas recycle cleaning equipment is shown
It is intended to；
Fig. 5 is the benzene adsorber structure signal of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes
Figure.
Detailed description of the invention
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 1 is that in a kind of benzene chloride production that the present invention proposes, tail gas recycle is clean
Change equipment；Fig. 2 is that the first benzene adsorption tower structure of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes is shown
It is intended to；Fig. 3 is the second benzene adsorption tower structural representation of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes
Figure；Fig. 4 is the triphen adsorption tower structural representation of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes；
Fig. 5 is the benzene adsorber structure schematic diagram of tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, in one embodiment, tail gas during the present invention proposes a kind of benzene chloride production
Reclaiming clean equipment, including benzene absorbing mechanism, benzene adsorbing mechanism, wherein:
In the present embodiment, benzene absorbing mechanism includes that the first benzene absorption plant, the second benzene absorption plant, triphen absorb dress
Put, wherein:
First benzene absorption plant is provided with first benzene absorption tower the 1, first benzene circulating slot the 2, first benzene circulating pump 3, and the first benzene is inhaled
Receiving tower 1 and include the first tower body 11, in the first tower body 11, vertically two the first dividing plates 12, two the first dividing plates are arranged in interval
12 will be separated into first air inlet the 13, first cooling chamber the 14, first gas-liquid separation chamber 15 the most successively in first tower body 11, the
One tower body 11 is provided with first tower air inlet the 16, the first tower inlet 17 communicated with the first inlet chamber 13, the first tower body 1 be provided with
First tower liquid outlet the 18, first tower gas outlet 19 that first gas-liquid separation chamber 15 communicates, the first tower body 11 is provided with and the first cooling
First cooling medium inlet the 110, first cooling medium outlet 111 of chamber 14 connection, the cooling medium in the first cooling chamber 14 is adopted
With-5～-15 DEG C of chilled brines, first absorption tube 112 of vertically layout, first absorption tube 112 in the first cooling chamber 14, are distributed
Use phenolic impregnated graphite material film supplying tube, the first absorption tube 112 two ends respectively with first inlet chamber the 13, first gas-liquid separation chamber
15 connections.Being provided with benzene absorbing liquid in first benzene circulating slot 2, the first benzene circulating slot 2 is provided with first groove inlet the 21, first groove and goes out liquid
Mouth the 22, first groove gas outlet 23, the first benzene circulating slot 2 liner phenolic fiberglass reinforced plastics anticorrosive coat.First tower of the first benzene absorption plant
Inlet 17 is connected with the first groove liquid outlet 22 by the first benzene circulating pump 3, the first tower liquid outlet 18 of the first benzene absorption plant
It is connected with the first groove inlet 21.
Second benzene absorption plant is provided with second benzene absorption tower the 4, second benzene circulating slot the 5, second benzene circulating pump 6, and the second benzene is inhaled
Receiving tower 4 and include the second tower body 41, in the second tower body 41, vertically two second partitions 42, two second partitions are arranged in interval
42 will be separated into second inlet chamber the 43, second cooling chamber the 44, second gas-liquid separation chamber 45 the most successively in second tower body 41,
Second tower body 41 is provided with second tower air inlet the 46, the second tower inlet 47 communicated with the second inlet chamber 43, and the second tower body 41 sets
Having second tower liquid outlet the 48, the second tower gas outlet 49 communicated with the second gas-liquid separation chamber 45, the second tower body 41 is provided with and second
Second cooling medium inlet the 410, second cooling medium outlet 411 of cooling chamber 44 connection, the cooling in the second cooling chamber 44 is situated between
Matter employing-5～-15 DEG C of chilled brines, be distributed the second absorption tube 412 of vertically layout in the second cooling chamber 44, second absorbs
Pipe 412 uses phenolic impregnated graphite material film supplying tube, the second absorption tube 412 two ends respectively with second inlet chamber the 43, second gas-liquid
Disengagement chamber 45 connects.Being provided with benzene absorbing liquid in second benzene circulating slot 5, the second benzene circulating slot 5 is provided with the second groove inlet 51, second
Groove liquid outlet the 52, second groove gas outlet 53, the second benzene circulating slot 5 liner phenolic fiberglass reinforced plastics anticorrosive coat.Second benzene absorption plant
Second tower air inlet 46 is connected with 19, the first groove gas outlet 23, the first tower gas outlet of the first benzene absorption plant respectively, the second benzene
Second tower inlet 47 of absorption plant is connected with the second groove liquid outlet 52 by the second benzene circulating pump 6, the second benzene absorption plant
The second tower liquid outlet 48 be connected with the second groove inlet 51.
Triphen absorption plant is provided with triphen absorption tower 7, triphen circulating slot 8, triphen circulating pump 9, and triphen is inhaled
Receiving tower 7 and include the 3rd tower body 71, in the 3rd tower body 71, vertically two the 3rd dividing plates 72, two the 3rd dividing plates are arranged in interval
72 will be separated into the 3rd inlet chamber the 73, the 3rd cooling chamber the 74, the 3rd gas-liquid separation chamber 75 the most successively in the 3rd tower body 71,
3rd tower body 71 is provided with the 3rd tower air inlet the 76, the 3rd tower inlet 77 communicated with the 3rd inlet chamber 73, and the 3rd tower body 71 sets
Having the 3rd tower liquid outlet the 78, the 3rd tower gas outlet 79 communicated with the 3rd gas-liquid separation chamber 75, the 3rd tower body 71 is provided with and the 3rd
3rd cooling medium inlet the 710, the 3rd cooling medium outlet 711 of cooling chamber 74 connection, the cooling in the 3rd cooling chamber 74 is situated between
Matter employing-5～-15 DEG C of chilled brines, be distributed the 3rd absorption tube 712 of vertically layout in the 3rd cooling chamber 74, the 3rd absorbs
Pipe 712 uses phenolic impregnated graphite material film supplying tube, the 3rd absorption tube 712 two ends respectively with the 3rd inlet chamber the 73, the 3rd gas-liquid
Disengagement chamber 75 connects.Being provided with benzene absorbing liquid in triphen circulating slot 8, triphen circulating slot 8 is provided with the 3rd groove inlet the 81, the 3rd
Groove liquid outlet the 82, the 3rd groove gas outlet 83, triphen circulating slot 8 liner phenolic fiberglass reinforced plastics anticorrosive coat.Triphen absorption plant
3rd tower air inlet 76 is connected with 49, the second groove gas outlet 53, the second tower gas outlet of the second benzene absorption plant respectively, triphen
3rd tower inlet 77 of absorption plant is connected with the 3rd groove liquid outlet 82 by triphen circulating pump 8, triphen absorption plant
The 3rd tower liquid outlet 72 be connected with the 3rd groove inlet 71.
Benzene adsorbing mechanism includes two benzene adsorbers 10 in parallel, and benzene adsorber 10 includes adsorbing casing 101, each adsorption box
Being equipped with adsorption stuffing 102 in body 101, each absorption casing 101 is equipped with absorption air inlet 103, absorbs QI KOU 104, thermal source
Import 108 and thermal source outlet 109, the air inlet 103 the 3rd tower all with triphen absorption plant that adsorbs of each absorption casing 101 goes out
QI KOU the 79, the 3rd groove gas outlet 83 connects, and enters the thermal source in absorption casing 101 and uses the low-pressure steam of 0.1-0.15Mpa.
In the present embodiment, the 1, second benzene absorption tower 4, the first benzene absorption tower, triphen absorption tower 7 gas-liquid two-phase use in the same direction
Absorption pattern, the 1, second benzene absorption tower 4, the first benzene absorption tower, triphen absorption tower 7 gaseous phase outlet temperature be respectively 55～65 DEG C,
30～40 DEG C, 20～25 DEG C, and the 4th benzene absorption tower 7 gaseous phase outlet is containing benzene 2～5ppm.First benzene circulating slot the 2, second benzene circulation
Groove 5, triphen circulating slot 8 are sequentially communicated, and the absorbing liquid entering three grades of benzene absorption cycle grooves 8 is containing benzene 0.03～0.1% (wt)
In substandard products Benzene Chloride, and triphen absorption cycle groove 8 absorbing liquid containing benzene≤10% (wt) overflow enter the second benzene absorption cycle groove 5,
In second benzene absorption cycle groove 5, absorbing liquid enters the first benzene absorption cycle groove 2, the first benzene absorption cycle containing benzene≤20% (wt) overflow
In groove 2, absorbing liquid contains benzene 36～45% (wt) extraction.
In the present embodiment, the internal adsorption stuffing 102 of absorption casing 101 uses activated carbon fiber filler, adsorbs air inlet 103
It is arranged on absorption casing 101 bottom, absorbs QI KOU 104 and be arranged on absorption casing 101 top.Absorption casing 101 is internal also to be set
Filter screen 105, filter screen 105 is had to be positioned at below adsorption stuffing 102.Filter screen 105 is arranged on absorption by gripper shoe 106 and pressing plate 107
Casing 101 inwall.The present embodiment adsorption stuffing 102 regeneration temperature is maintained at 90～100 DEG C.
The operation principle of the present invention is as follows: will contain benzene 2000～6000ppm Benzene Chloride two-stage nitration tail gas and pass sequentially through the first benzene
Absorption plant, the second benzene absorption plant, triphen absorption plant, benzene adsorber, benzene and Benzene Chloride organic gas absorb single at benzene
Being absorbed in unit and benzene absorbing unit, remaining gas enters subsequent processing and processes further.
Benzene Chloride two-stage nitration tail gas containing benzene is sent into after one section of recirculated water and two-stage nitration chilled brine condense present invention dress
Putting absorption system, in tail gas, major part benzene is absorbed by the benzene substandard products Benzene Chloride absorbing liquid absorption in mechanism, and then tail gas enters benzene suction
Receiving device, the organic gas such as benzene and Benzene Chloride and a small amount of hydrogen chloride gas are adsorbed by adsorbent, and residual exhaust enters subsequent processing and enters
One step processes, and uses hot recycling standby after adsorbent is saturated.Tail gas direct of travel is contrary with absorbing liquid direct of travel, it is ensured that fresh
Absorbing liquid contacts with afterbody tail gas, reduces to greatest extent and needs in tail gas to remove constituent content, and fresh material is entered from side
Enter opposite side extraction, it is achieved device continuous and stable runs, and pump forced circulation is effectively ensured gas-liquid mixed effect.
Tail gas recycle cleaning equipment in a kind of benzene chloride production that the present invention proposes, makes full use of absorption and two lists of absorption
The feature of atom operation, the organic gas such as the benzene in tail gas and Benzene Chloride in effective absorption cleaning benzene chloride production, absorption operation is fitted
Operating for big concentration of component, treating capacity is big, and energy consumption is low, and the Organic substance that adsorption operations can reduce in tail gas further contains
Amount, makes tail gas reach discharge standard.Apparatus of the present invention overall efficiency is high and energy consumption is low, and operating cost is low, can do to greatest extent
To safe and environment-friendly, nuisanceless.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (10)
1. tail gas recycle cleaning equipment in a benzene chloride production, it is characterised in that include benzene absorbing mechanism, wherein:
Benzene absorbing mechanism includes the first benzene absorption plant, the second benzene absorption plant ..., the n-th benzene absorption plant, and m benzene absorbs dress
Having installed m benzene absorption tower, m benzene circulating slot, m benzene circulating pump, m benzene absorption tower includes m tower body, edge in m tower body
Two m dividing plates are arranged at vertical direction interval, and two m dividing plates are separated into m air inlet the most successively by m tower body
Chamber, m cooling chamber, m gas-liquid separation chamber, m tower body is provided with m tower air inlet, the m tower feed liquor communicated with m inlet chamber
Mouthful, m tower body is provided with m tower liquid outlet, the m tower gas outlet communicated with m gas-liquid separation chamber, and m tower body is provided with cold with m
But the m cooling medium inlet of chamber connection, the outlet of m cooling medium, the m that vertically layout is distributed in m cooling chamber absorbs
Pipe, m absorption tube two ends connect with m inlet chamber, m gas-liquid separation chamber respectively；It is provided with benzene absorbing liquid in m benzene circulating slot,
M benzene circulating slot is provided with m groove inlet, m groove liquid outlet, and the m tower inlet of m benzene absorption plant is followed by m benzene
Ring pump and m groove liquid outlet connect, and the m tower liquid outlet of m benzene absorption plant and m groove inlet connect, and m benzene absorbs dress
The m tower gas outlet put m+1 tower air inlet with m+1 benzene absorption plant respectively is connected；Wherein: n, m are natural number, n >
m≥1。
Tail gas recycle cleaning equipment in benzene chloride production the most according to claim 1, it is characterised in that also include that benzene adsorbs
Mechanism, benzene adsorbing mechanism includes the benzene adsorber of multiple parallel connection, and benzene adsorber includes adsorbing casing, is equipped with suction in adsorption box body
Attached filler, each absorption casing is equipped with absorption air inlet, absorbs QI KOU, thermal source import and thermal source outlet, each absorption casing
Absorption air inlet is all connected with the n-th tower gas outlet of the n-th benzene absorption plant.
Tail gas recycle cleaning equipment in benzene chloride production the most according to claim 1, it is characterised in that m benzene absorbs dress
The m absorption tube put uses phenolic impregnated graphite material film supplying tube.
4. according to tail gas recycle cleaning equipment in the benzene chloride production according to any one of claim 1-3, it is characterised in that the
The m benzene circulating slot of m benzene absorption plant is provided with m groove gas outlet, m groove gas outlet and the m+1 tower of m+1 benzene absorption plant
Air inlet connects, and the n-th groove gas outlet is connected with the absorption air inlet of each benzene adsorber.
5. according to tail gas recycle cleaning equipment in the benzene chloride production according to any one of claim 1-3, it is characterised in that the
M benzene circulating slot and m+1 benzene circulating slot connection and m+1 benzene circulating slot in benzene absorbing liquid overflow enter m benzene circulating slot.
6. according to tail gas recycle cleaning equipment in the benzene chloride production according to any one of claim 1-3, it is characterised in that the
M benzene circulating slot liner phenolic fiberglass reinforced plastics anticorrosive coat.
Tail gas recycle cleaning equipment in benzene chloride production the most according to claim 2, it is characterised in that absorption box house
Adsorption stuffing uses activated carbon fiber filler, absorption air inlet to be arranged on absorption casing bottom, absorb QI KOU and be arranged on absorption
Casing top.
Tail gas recycle cleaning equipment in benzene chloride production the most according to claim 7, it is characterised in that absorption box house
Being additionally provided with filter screen, filter screen is positioned at below adsorption stuffing.
Tail gas recycle cleaning equipment in benzene chloride production the most according to claim 8, it is characterised in that filter screen is by supporting
Plate and pressing plate are arranged on absorption cabinet wall.
10. according to tail gas recycle cleaning equipment in the benzene chloride production according to any one of claim 1-3, it is characterised in that
Benzene absorbing mechanism includes the first benzene absorption plant, the second benzene absorption plant and triphen absorption plant.
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| CN201610630509.3A CN106076075A (en) | 2016-08-03 | 2016-08-03 | Tail gas recycle cleaning equipment in a kind of benzene chloride production |
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| CN201610630509.3A CN106076075A (en) | 2016-08-03 | 2016-08-03 | Tail gas recycle cleaning equipment in a kind of benzene chloride production |
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| CN106268190A (en) * | 2016-08-31 | 2017-01-04 | 安徽八化工股份有限公司 | Tail gas recycle cleaning equipment in a kind of benzene chloride production |
| CN107661683A (en) * | 2017-11-10 | 2018-02-06 | 大丰鑫源达化工有限公司 | Chlorine device for recovering tail gas in reactor |
| WO2019210498A1 (en) * | 2018-05-04 | 2019-11-07 | 江苏申江环境科技有限公司 | Internal thermal insulation glass steel tube-based tail gas treatment system |
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| CN106268190A (en) * | 2016-08-31 | 2017-01-04 | 安徽八化工股份有限公司 | Tail gas recycle cleaning equipment in a kind of benzene chloride production |
| CN107661683A (en) * | 2017-11-10 | 2018-02-06 | 大丰鑫源达化工有限公司 | Chlorine device for recovering tail gas in reactor |
| WO2019210498A1 (en) * | 2018-05-04 | 2019-11-07 | 江苏申江环境科技有限公司 | Internal thermal insulation glass steel tube-based tail gas treatment system |
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Application publication date: 20161109 |