CN204779413U - Production perchlorethylene's reaction gas processing system - Google Patents
Production perchlorethylene's reaction gas processing system Download PDFInfo
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- CN204779413U CN204779413U CN201520484533.1U CN201520484533U CN204779413U CN 204779413 U CN204779413 U CN 204779413U CN 201520484533 U CN201520484533 U CN 201520484533U CN 204779413 U CN204779413 U CN 204779413U
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- reaction gas
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- zellon
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Abstract
The utility model relates to a production perchlorethylene's reaction gas processing system, cooler condenser, quick -witted postcooling condenser, condensate dashpot still include compression system before reactor, quench tower, machine, and the reactor gas outlet is connected with the quench tower, the quench tower has the export of the thick perchlorethylene of side -draw and is connected with the perchlorethylene storage tank, and the quench tower has the export of reaction gas and is connected with the preceding cooler condenser of machine, the cooler condenser has condensate outlet and the export of reaction gas before the machine, the condensate outlet is connected with the condensate dashpot, the export of reaction gas is connected with compression system, and compression system is connected with quick -witted postcooling condenser again, the condensate discharge port of machine postcooling condenser is connected with the condensate dashpot again, have two condensate discharge ports in the condensate dashpot, a discharge port is connected with the quench tower, and another discharge port is connected with the reactor.
Description
Technical field
The utility model belongs to chemical field, relates to the system of process chemical engineering reaction gas, is specifically related to a kind of reaction gas treatment system of producing zellon.
Background technology
Current zellon production method is various, and raw material mainly contains Sweet natural gas, monochloro methane, methylene dichloride, trichloromethane, tetracol phenixin, pentaline, hexachloroethane and hexachlorobutadiene etc., with one or more in them with different ratios and Cl
2mixture manufacturing zellon.
Tradition zellon device, reaction gas (pressure 60 ~ 70KPa.G, temperature 420 ~ 430 DEG C) lower the temperature through quench tower chilling, remove high chlorine by-product impurities, side extraction zellon head product, top tail gas is again after three grades of cooling condensations reclaim the effective constituents such as tetracol phenixin further, and solidifying tail gas goes falling film absorbing device to remove HCL in tail gas, light constituents such as other micro-tetracol phenixin and react excessive chlorine Returning reactor recycle.
This technical disadvantages is:
1, utilize id reaction tail gas pressure as the impellent of follow-up system, this pressure impellent is less, and after three grades of condensations, pressure is lower, and reclaim tail gas recycling difficulty, and condensation is not thorough, refrigerant consumption is high.
2, zellon formation reaction is volume augmenting response, and has reversibility, and in follow-up system blocking or when increasing load, reaction pressure increases unstable, causes positive reaction rate reduction, and byproduct generation probability increases, and unit yield reduces.
3, reaction is thermopositive reaction, and follow-up system is by pressure itself as impellent, and heat removes not in time, and temperature raising reaction is more difficult.
So the reaction efficiency of raising production zellon and the cost that practices every conceivable frugality are the problem that this area needs to continue research.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of reaction gas treatment system of producing zellon, this system can reduce and reflects mouth pressure, increases positive reaction impellent, improves zellon yield.
For achieving the above object, the invention provides following technical scheme:
Produce the reaction gas treatment system of zellon, comprise reactor, quench tower, cooler condenser before machine, cooler condenser after machine, phlegma dashpot, also comprise compression system, gas reactor outlet be provided with the quench tower that the thick zellon of side take-off exports and reaction gas exports and be connected, the thick zellon outlet of described side take-off is connected with zellon storage tank, the outlet of described reaction gas be provided with machine that condensate outlet and reaction gas export before cooler condenser be connected, before described machine, cooler condenser condensate outlet is connected with phlegma dashpot, described reaction gas outlet is connected with compression system, compression system is connected with cooler condenser after the machine being provided with phlegma relief outlet again, after described machine, the phlegma relief outlet of cooler condenser is connected with phlegma dashpot, there are in described phlegma dashpot two phlegma relief outlets, a relief outlet is connected with quench tower, make a part of phlegma carry out cooling pre-treatment as condensation medium to reaction gas to utilize to realize cold recovery, another relief outlet is connected with reactor, another part phlegma is made to carry out recycling to improve yield as reaction raw materials.
Preferably, be connected with vaporizer between phlegma dashpot phlegma relief outlet and reactor, to vaporize, the phlegma of discharging from phlegma dashpot enters reactor as reaction raw materials for gas again.
Preferably, described quench tower also has residual liquid discharge port, discharges the waste liquid containing perchloride.
Preferably, after described machine, cooler condenser also cannot not have solidifyingly tail gas relief outlet, and not solidifying tail gas enters exhaust treatment system.
The beneficial effects of the utility model are: the reaction gas treatment system of production zellon of the utility model application protection can reduce and reflects mouth pressure, to increase positive reaction impellent, and then improves the yield of zellon; By increasing compression system between cooler condenser after cooler condenser before machine and machine, improving condenser system pressure, reducing refrigerant consumption, condensation is reclaimed more thorough, circulation of tail gas utilizes more effective.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is the system schematic of the utility model process for producing zellon reaction gas.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
The system of concrete process for producing zellon by-product tail gas, as shown in Figure 1:
Produce the reaction gas treatment system of zellon, comprise reactor, quench tower, cooler condenser before machine, cooler condenser after machine, phlegma dashpot, also comprise compression system, gas reactor outlet be provided with the quench tower that the thick zellon of side take-off exports and reaction gas exports and be connected, the thick zellon outlet of described side take-off is connected with zellon storage tank, the outlet of described reaction gas be provided with machine that condensate outlet and reaction gas export before cooler condenser be connected, before described machine, cooler condenser condensate outlet is connected with phlegma dashpot, described reaction gas outlet is connected with compression system, compression system is connected with cooler condenser after the machine being provided with phlegma relief outlet again, after described machine, the phlegma relief outlet of cooler condenser is connected with phlegma dashpot, there are in described phlegma dashpot two phlegma relief outlets, a relief outlet is connected with quench tower, make a part of phlegma carry out cooling pre-treatment as condensation medium to reaction gas to utilize to realize cold recovery, another relief outlet is connected with reactor, another part phlegma is made to carry out recycling to improve yield as reaction raw materials.
The reaction gas treatment system of concrete production zellon, is connected with vaporizer between phlegma dashpot phlegma relief outlet and reactor; Described quench tower also has residual liquid discharge port, discharges the waste liquid containing perchloride; After described machine, cooler condenser also cannot not have solidifyingly tail gas relief outlet, and not solidifying tail gas enters exhaust treatment system.
Embodiment 1
Chlorine, Sweet natural gas, tetracol phenixin are entered chlorination reactor hybrid reaction through specific installation in certain proportion generate containing muriate reactant gasess (pressure 10 ~ 15KPa.G, temperature 450 ~ 480 DEG C) such as zellon, tetracol phenixin, perchlorides.Then enter quench tower chilling, bottom perchloride enters the recycling of raffinate treatment system, and side take-off thick zellon in top goes store buffer tank to cushion, for refined product;
The light constituent muriate such as cooler condenser lowered temperature reclamation tetracol phenixin before the tail gas ingress engine of top, after storage tank buffer memory, a part goes quench tower to make chilling refrigerant, and a part goes the recycle of zellon reactive system; Non-condensable gas to be pressurized to after 0.3 ~ 0.6MPa cooler condenser after ingress engine through compressor and to carry out pressurization condensation, effective constituent in further recovery tail gas, finally obtain the tail gas that chloride content is very low, mainly hydrogenchloride and chlorine, the gas processing system that truncates reclaims hydrogenchloride for rear operation, the chlorine separated, the recycle of micro-subchloride Returning reacting system.
Embodiment 2
Chlorine, monochloro methane, tetracol phenixin are entered chlorination reactor hybrid reaction through specific installation in certain proportion generate containing muriate reactant gasess (pressure 10 ~ 15KPa.G, temperature 450 ~ 480 DEG C) such as zellon, tetracol phenixin, perchlorides.Then enter quench tower chilling, bottom perchloride enters the recycling of raffinate treatment system; Side take-off thick zellon in top goes store buffer tank to cushion, for refined product;
The light constituent muriate such as cooler condenser lowered temperature reclamation tetracol phenixin before the tail gas ingress engine of top, after storage tank buffer memory, a part goes quench tower to make chilling refrigerant, and a part goes the recycle of zellon reactive system; Non-condensable gas to be pressurized to after 0.3 ~ 0.6MPa cooler condenser after ingress engine through compressor and to carry out pressurization condensation, effective constituent in further recovery tail gas, finally obtain the tail gas that chloride content is very low, mainly hydrogenchloride and chlorine, the gas processing system that truncates reclaims hydrogenchloride for rear operation, the chlorine separated, the recycle of micro-subchloride Returning reacting system.
Can be drawn by embodiment 1 and 2: with raw material 1 and raw material 2 medium one or more, reactor is entered with certain proportion, at pressure 10 ~ 15KPa, react under temperature 450 ~ 480 DEG C of conditions, at subsequent reactions gas processing system, (low pressure condensation combines with pressurization condensation, pressurization condenser system pressure 0.3 ~ 0.6MPa) coordinate under, all can produce a desired effect.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (4)
1. produce the reaction gas treatment system of zellon, comprise reactor, quench tower, cooler condenser before machine, cooler condenser after machine, phlegma dashpot, it is characterized in that: also comprise compression system, gas reactor outlet be provided with the quench tower that the thick zellon of side take-off exports and reaction gas exports and be connected, the thick zellon outlet of described side take-off is connected with zellon storage tank, the outlet of described reaction gas be provided with machine that condensate outlet and reaction gas export before cooler condenser be connected, before described machine, cooler condenser condensate outlet is connected with phlegma dashpot, described reaction gas outlet is connected with compression system, compression system is connected with cooler condenser after the machine being provided with phlegma relief outlet, described phlegma relief outlet is connected with phlegma dashpot, described phlegma dashpot is provided with two phlegma relief outlets, a relief outlet is connected with quench tower, another relief outlet is connected with reactor.
2. produce the reaction gas treatment system of zellon according to claim 1, it is characterized in that: between phlegma dashpot phlegma relief outlet and reactor, be connected with vaporizer.
3. produce the reaction gas treatment system of zellon according to claim 1, it is characterized in that: described quench tower is provided with the residual liquid discharge port of the waste liquid of discharging containing perchloride.
4. produce the reaction gas treatment system of zellon according to claim 1, it is characterized in that: after described machine, cooler condenser is provided with the not solidifying tail gas relief outlet be connected with exhaust treatment system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484533.1U CN204779413U (en) | 2015-07-07 | 2015-07-07 | Production perchlorethylene's reaction gas processing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520484533.1U CN204779413U (en) | 2015-07-07 | 2015-07-07 | Production perchlorethylene's reaction gas processing system |
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| CN204779413U true CN204779413U (en) | 2015-11-18 |
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| CN201520484533.1U Expired - Fee Related CN204779413U (en) | 2015-07-07 | 2015-07-07 | Production perchlorethylene's reaction gas processing system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251231A (en) * | 2015-11-21 | 2016-01-20 | 唐山三友硅业有限责任公司 | System and method for tail gas treatment of conversion reaction of organic silicon low-boiling-point substances |
| CN106008146A (en) * | 2016-06-08 | 2016-10-12 | 刘世刚 | Combined production system for chloroethylene and tetrachloroethylene |
| CN109627142A (en) * | 2018-12-12 | 2019-04-16 | 山东东岳氟硅材料有限公司 | A kind of processing method and processing system producing tetrachloro-ethylene by-product tail gas |
| CN111606777A (en) * | 2020-06-04 | 2020-09-01 | 北京诺维新材科技有限公司 | Preparation method and device of tetrachloroethylene |
-
2015
- 2015-07-07 CN CN201520484533.1U patent/CN204779413U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251231A (en) * | 2015-11-21 | 2016-01-20 | 唐山三友硅业有限责任公司 | System and method for tail gas treatment of conversion reaction of organic silicon low-boiling-point substances |
| CN106008146A (en) * | 2016-06-08 | 2016-10-12 | 刘世刚 | Combined production system for chloroethylene and tetrachloroethylene |
| CN109627142A (en) * | 2018-12-12 | 2019-04-16 | 山东东岳氟硅材料有限公司 | A kind of processing method and processing system producing tetrachloro-ethylene by-product tail gas |
| CN109627142B (en) * | 2018-12-12 | 2021-10-22 | 山东东岳氟硅材料有限公司 | Treatment method and treatment system for byproduct tail gas in tetrachloroethylene production |
| CN111606777A (en) * | 2020-06-04 | 2020-09-01 | 北京诺维新材科技有限公司 | Preparation method and device of tetrachloroethylene |
| CN111606777B (en) * | 2020-06-04 | 2023-01-17 | 北京诺维新材科技有限公司 | Preparation method and device of tetrachloroethylene |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20210707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |