CN206660886U - A kind of exhaust gas processing device - Google Patents
A kind of exhaust gas processing device Download PDFInfo
- Publication number
- CN206660886U CN206660886U CN201720271717.9U CN201720271717U CN206660886U CN 206660886 U CN206660886 U CN 206660886U CN 201720271717 U CN201720271717 U CN 201720271717U CN 206660886 U CN206660886 U CN 206660886U
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- CN
- China
- Prior art keywords
- processing device
- condenser
- exhaust gas
- mentioned
- tail gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model is a kind of exhaust gas processing device.Valve, reflux condenser, distiller condenser, offgas duct, tail gas buffer, sour absorption cell, Alkali absorption pond are flow backwards including gas phase pipe, return valve, distillation valve, anti-tail gas, gas phase pipe is connected by the entrance of return valve and reflux condenser and the entrance by distilling valve and distiller condenser connects, the offgas outlet of reflux condenser and distiller condenser is connected by offgas duct with tail gas buffer, tail gas buffer is connected by pipeline with sour absorption cell, and sour absorption cell is connected by pipeline with Alkali absorption pond.The multistage layout of reflux condenser and distiller condenser of the present utility model, the temperature of cooling medium reduces successively Zi near to distal end, gas phase can be condensed fully, tail gas yield is reduced to greatest extent, and remaining a small amount of gas can ensure that after sour absorption cell, Alkali absorption pond, terminal absorber absorb meets discharge standard.The utility model tail gas yield is few, absorbs complete.
Description
Technical field
A kind of exhaust gas processing device is the utility model is related to, the dress of tail gas absorption in particularly a kind of production for clotrimazole
Put.
Background technology
In clotrimazole production process, using or generate the materials such as benzene, acetonitrile, hydrochloric acid, triethylamine, these materials pair
Environment and human body have larger adverse effect.To reduce pollution of these materials to air as far as possible, strengthen the labor to operating personnel
Dynamic protection, urgent need develop a kind of device handled for clotrimazole production process tail gas.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of vent gas treatment suitable for clotrimazole production process
Device.The utility model tail gas yield is few, absorbs completely, securely and reliably.And device configuration is simple, cost is low, easy to use.
To solve the above problems, the technical solution of the utility model is：Exhaust gas processing device of the present utility model, includes
Gas phase pipe, return valve, distillation valve, anti-tail gas flow backwards valve, reflux condenser, distiller condenser, offgas duct, tail gas buffering
Tank, sour absorption cell, Alkali absorption pond, gas phase pipe by the entrance of return valve and reflux condenser connect and by distill valve with
The offgas outlet of the entrance connection of distiller condenser, reflux condenser and distiller condenser is connected by offgas duct and tail gas buffer
Connect, tail gas buffer is connected by pipeline with sour absorption cell, and sour absorption cell is connected by pipeline with Alkali absorption pond.
The utility model sets the temperature of cooling medium by being laid out to reflux condenser or the multistage of distiller condenser
Reduced successively to distal end near, gas phase is fully condensed, reduce tail gas yield to greatest extent.Remaining a small amount of gas is inhaled through acid
Receives pond, Alkali absorption pond, terminal absorber can ensure that after absorbing meets discharge standard.The utility model tail gas yield is few, absorbs
Completely, securely and reliably.Device configuration is simple, and cost is low, easy to use.The utility model is a kind of ingenious in design, function admirable,
The convenient and practical device suitable for clotrimazole production process vent gas treatment.
Brief description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Embodiment
Embodiment：
Schematic diagram of the present utility model includes gas phase pipe 1, returned as shown in figure 1, exhaust gas processing device of the present utility model
Flow valve 2, distillation valve 3, anti-tail gas and flow backwards valve 4, reflux condenser 5, distiller condenser 6, offgas duct 11, tail gas buffer
12nd, sour absorption cell 13, Alkali absorption pond 14, gas phase pipe 1 are connected and passed through steaming by return valve 2 with the entrance of reflux condenser 5
The entrance for evaporating valve 3 with distiller condenser 6 is connected, and the offgas outlet of reflux condenser 5 and distiller condenser 6 passes through offgas duct 11
It is connected with tail gas buffer 12, tail gas buffer 12 is connected by pipeline with sour absorption cell 13, sour absorption cell 13 and Alkali absorption pond
14 connections.
In the present embodiment, set in the offgas duct 11 that the offgas outlet of above-mentioned distiller condenser 6 is connected with tail gas buffer 12
There is anti-tail gas to flow backwards valve 4.
In the present embodiment, sulfuric acid solution built in above-mentioned sour absorption cell 13；Saturation sodium hydroxide built in above-mentioned Alkali absorption pond 14
Solution.
In addition, it is provided with suck-back device 15 in above-mentioned Alkali absorption pond 14.In the present embodiment, suck-back device 15 is reverse V-shaped
Device.Suck-back device 15 controls alkali lye amount, while avoids hydrogen chloride gas generation from causing very much negative pressure excessive soon and make alkali lye
The phenomenon of suck-back.
Above-mentioned Alkali absorption pond 14 is connected with the terminal absorber 16 equipped with adsorbability material.In the present embodiment, adsorptivity thing
Matter is activated carbon or diatomite etc..
In addition, the bottom of above-mentioned distiller condenser 6 is provided with distillate recovery tube 17.Condensate liquid is distilled through distillate recovery tube
17 are carried out in solvent recovery tank.
In the present embodiment, reflux condenser 5 is provided with returned cold condensate water inlet 7 and returned cold condensate delivery port 9.Distill cold
Condenser 6 is provided with distillation condensed water water inlet 8 and distillation condensed water delivery port 10.
Above-mentioned reflux condenser 5 and distiller condenser 6 are two to three-level, and in the present embodiment, reflux condenser 5 and distillation are cold
Condenser 6 is two-stage, and more distal end cooling water temperature is lower, can make cooling water in the cooler frozen water of distal end if necessary.
Operation principle of the present utility model is as follows：Gas phase caused by backflow or distillation enters reflux condenser 5 through gas phase pipe 1
Or distiller condenser 6 condenses, reflux condenser 5,6 remaining tail gas of distiller condenser pass sequentially through tail gas buffering through offgas duct 11
Tank 12, sour absorption cell 13, Alkali absorption pond 14 are absorbed, finally by built with the strong adsorbability material such as activated carbon or diatomite
Terminal absorber 16 adsorb after discharge, can ensure that tail gas meets discharge standard.Distillation condensate liquid enters through distillate recovery tube 17
In row solvent recovery tank.In addition, the utility model is to the multistage of reflux condenser 5 or distiller condenser 6 by being laid out, and set
The temperature of cooling medium reduces successively Zi near to distal end, gas phase is fully condensed, and reduces tail gas yield to greatest extent.
Claims (10)
1. a kind of exhaust gas processing device, it is characterised in that include gas phase pipe, return valve, distillation valve, anti-tail gas reverse flow valve
Door, reflux condenser, distiller condenser, offgas duct, tail gas buffer, sour absorption cell, Alkali absorption pond, gas phase pipe pass through return valve
Door is connected with the entrance of reflux condenser and the entrance by distilling valve and distiller condenser connects, reflux condenser and distillation
The offgas outlet of condenser is connected by offgas duct with tail gas buffer, and tail gas buffer is connected by pipeline with sour absorption cell,
Sour absorption cell is connected by pipeline with Alkali absorption pond.
2. exhaust gas processing device according to claim 1, it is characterised in that the offgas outlet and tail of above-mentioned distiller condenser
Gas buffers tank connected offgas duct and is provided with anti-tail gas refluence valve.
3. exhaust gas processing device according to claim 1, it is characterised in that sulfuric acid solution built in above-mentioned sour absorption cell；It is above-mentioned
Saturation sodium hydroxide solution built in Alkali absorption pond.
4. exhaust gas processing device according to claim 1, it is characterised in that suck-back device is provided with above-mentioned Alkali absorption pond.
5. exhaust gas processing device according to claim 4, it is characterised in that above-mentioned suck-back device is reverse V-shaped device.
6. exhaust gas processing device according to claim 1, it is characterised in that above-mentioned Alkali absorption pond is with being equipped with adsorbability material
Terminal absorber connection.
7. exhaust gas processing device according to claim 6, it is characterised in that above-mentioned adsorbability material is activated carbon or diatom
Soil.
8. according to the exhaust gas processing device described in any one of claim 1 to 7, it is characterised in that the bottom of above-mentioned distiller condenser
Provided with distillate recovery tube.
9. exhaust gas processing device according to claim 8, it is characterised in that above-mentioned reflux condenser is provided with returned cold condensate
Water inlet and returned cold condensate delivery port；Above-mentioned distiller condenser is provided with distillation condensed water water inlet and distillation condensed water water outlet
Mouthful.
10. exhaust gas processing device according to claim 9, it is characterised in that above-mentioned reflux condenser and/or distillation condensation
Device is two to three-level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271717.9U CN206660886U (en) | 2017-03-20 | 2017-03-20 | A kind of exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720271717.9U CN206660886U (en) | 2017-03-20 | 2017-03-20 | A kind of exhaust gas processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206660886U true CN206660886U (en) | 2017-11-24 |
Family
ID=60377881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720271717.9U Expired - Fee Related CN206660886U (en) | 2017-03-20 | 2017-03-20 | A kind of exhaust gas processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206660886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604010A (en) * | 2020-03-13 | 2020-09-01 | 宁波巨化化工科技有限公司 | Tube array type fixed bed reactor |
-
2017
- 2017-03-20 CN CN201720271717.9U patent/CN206660886U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604010A (en) * | 2020-03-13 | 2020-09-01 | 宁波巨化化工科技有限公司 | Tube array type fixed bed reactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20190320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |