CN218460366U - A environmental protection processing system for chloroethylene and vinylidene chloride waste gas - Google Patents
A environmental protection processing system for chloroethylene and vinylidene chloride waste gas Download PDFInfo
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- CN218460366U CN218460366U CN202221239435.8U CN202221239435U CN218460366U CN 218460366 U CN218460366 U CN 218460366U CN 202221239435 U CN202221239435 U CN 202221239435U CN 218460366 U CN218460366 U CN 218460366U
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Abstract
The utility model discloses an environmental protection processing system for chloroethylene and vinylidene chloride waste gas, an environmental protection processing system for chloroethylene and vinylidene chloride waste gas includes aqueous vapor knockout drum, organic matter desorption jar, environment air exhauster, exhaust tower and water sealed tank, the entry end and the polymerization jar of aqueous vapor knockout drum are linked together, the gas delivery outlet of aqueous vapor knockout drum with organic matter desorption jar is linked together, the liquid delivery outlet of aqueous vapor knockout drum with the water sealed tank is linked together, the water sealed tank is linked together with outside waste water treatment device that goes, the organic matter desorption jar with the exhaust tower is linked together. The environment exhaust fan is used for pumping gas into the gas-water separation tank; has the advantages of improving the environmental quality of the high-pressure cleaning operation of the polymerization tank, protecting the atmospheric environment and the like.
Description
Technical Field
The utility model relates to an organic waste gas treatment device technical field that industry discharged especially relates to an environmental protection processing system that is used for chloroethylene and vinylidene chloride waste gas.
Background
When food-grade vinyl chloride-vinylidene chloride copolymerized blown film resin (hereinafter referred to as PVDC resin) is produced by polymerization, vinyl chloride monomer and vinylidene chloride monomer are used, and both the vinyl chloride monomer and the vinylidene chloride monomer are volatile organic matters. The resins are polymerized by suspension polymerization techniques using a batch process. After the polymerization is finished and unreacted vinyl chloride monomers and vinylidene chloride monomers are recovered, high-pressure water flow cleaning (hereinafter referred to as high-pressure cleaning) is carried out on the interior of the polymerization tank by using high-pressure water through a high-pressure water gun so as to clean the resin attached to the inner wall of the polymerization tank and the stirring paddle and ensure the quality of the next polymerization resin. Among the high pressure cleaning process, remaining minute quantity vinyl chloride monomer and vinylidene chloride monomer gas can drift to the external environment through polymerization jar manhole in the polymerization jar, influence the atmospheric quality, pollute the atmospheric environment, use current VOCs gas treatment system then to have the function redundancy, and the cost is higher, the too complicated condition of structure.
Therefore, an eco-friendly disposal system for waste gases of vinyl chloride and vinylidene chloride is provided, which can solve the above problems.
Disclosure of Invention
The utility model aims to solve the technical problem that, polymerization jar is in the cleaning process, remaining few vinyl chloride monomer and vinylidene chloride monomer gas can drift to the external environment through polymerization jar entry in, influence the atmospheric quality, pollute the atmospheric environment, use current VOCs gas treatment system then to have the functional redundancy, and the cost is higher, the too complicated condition of structure, so provide an environmental protection processing system who is used for chloroethylene and vinylidene chloride waste gas, an environmental protection processing system who is used for chloroethylene and vinylidene chloride waste gas includes:
the water-gas separation tank comprises a water-gas separation tank, an organic matter removal tank, an environment exhaust fan, an exhaust tower and a water seal tank, wherein the inlet end of the water-gas separation tank is communicated with a polymerization tank, the gas outlet of the water-gas separation tank is communicated with the organic matter removal tank, the liquid outlet of the water-gas separation tank is communicated with the water seal tank, the water seal tank is communicated with an external wastewater removal treatment device, and the organic matter removal tank is communicated with the exhaust tower. The environment exhaust fan is used for pumping gas into the gas-water separation tank.
Further, a first manual valve is arranged on a pipeline for communicating the inlet end of the water-gas separation tank with the polymerization tank.
Further, a second manual valve is arranged between the water seal tank and the wastewater treatment device.
Further, an organic gas detector is arranged on a pipeline which is communicated with the exhaust tower.
Further, the organic matter removing tank is communicated with an external organic matter gas detector.
Furthermore, an overflow port is arranged at the upper part of the water seal tank and communicated with a wastewater removal treatment device.
Furthermore, a third manual valve is arranged on a pipeline between the liquid output port of the water-gas separation tank and the wastewater removal treatment device.
Implement the utility model discloses, following beneficial effect has:
1. the utility model discloses the structure principle is simple, and when polymerization jar high pressure cleaning, no longer have chloroethylene monomer and vinylidene chloride monomer to waft and gracefully to the atmosphere, improved polymerization jar high pressure cleaning operation environmental quality, protected the atmospheric environment, simple structure is with low costs simultaneously.
Drawings
Fig. 1 is a structural view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Examples
Referring to the attached fig. 1 of the specification, the technical problem to be solved in this embodiment is that, during the cleaning process of a polymerization tank, a very small amount of residual vinyl chloride monomer and vinylidene chloride monomer gas may drift to the external environment through an inlet of the polymerization tank, which affects the air quality and pollutes the air environment, and when an existing VOCs gas treatment system is used, there are situations of redundant functions, high cost and excessively complex structure, so that an environmental protection treatment system for waste gases of vinyl chloride and vinylidene chloride is provided, the environmental protection treatment system for waste gases of vinyl chloride and vinylidene chloride comprises:
water gas knockout drum 3, organic matter desorption jar 8, environment air exhauster 10, exhaust column 11 and water sealed tank 5, the entry end and the polymerization jar 1 of water gas knockout drum 3 are linked together, the gas outlet of water gas knockout drum 3 with organic matter desorption jar 8 is linked together, the liquid outlet of water gas knockout drum 3 with water sealed tank 5 is linked together, water sealed tank 5 and the outside are removed effluent treatment plant 7 and are linked together, organic matter desorption jar 8 with exhaust column 11 is linked together. The environment exhaust fan 10 is used for pumping gas into the gas-water separation tank.
Add environment air exhauster 10, use environment air exhauster 10 to extract the inside gas of polymerization jar 1, make polymerization jar 1 inside form the slight negative pressure, prevent that the remaining minute quantity vinyl chloride monomer and the vinylidene chloride monomer gas of polymerization jar 1 inside can be through polymerization jar 1 entry in the spill to the external environment.
The water-gas separation tank 3 is additionally arranged to separate gas and water in the water outlet tank from the gaseous vinyl chloride monomer, the vinylidene chloride monomer and the water mist pumped out of the polymerization tank 1 so as to prevent the liquid water from influencing the effect of removing the organic matters in the organic matter removal tank.
An organic matter removing tank 8 is additionally arranged to remove the gaseous chloroethylene monomer and the gaseous vinylidene chloride monomer which are subjected to steam-water separation, so that the gas discharged into the atmosphere does not contain organic gas, and the atmospheric environment is protected.
A first manual valve 2 is arranged on a pipeline of the inlet end of the water-gas separation tank 3 communicated with the polymerization tank 1, and the first manual valve 2 is used for preventing backflow.
A second manual valve 6 is arranged between the water seal tank 5 and the wastewater removal treatment device 7, and the second manual valve 6 is used for preventing backflow.
An organic gas detector 9 is arranged on a pipeline which is communicated with the exhaust tower 11 of the organic matter removing tank 8, and the organic gas detector is additionally arranged to detect the effect of removing gaseous vinyl chloride monomer and vinylidene chloride monomer from the organic matter removing tank 8. .
The upper part of the water-sealed tank 5 is provided with an overflow port which is communicated with a wastewater removal treatment device 7.
A third manual valve 4 is arranged on a pipeline between the liquid output port of the water-gas separation tank 3 and the wastewater removal treatment device 7, and the third manual valve 4 is used for preventing backflow.
The working principle of the embodiment is as follows: after polymerization is finished and unreacted vinyl chloride monomers and vinylidene chloride monomers are recovered, before high-pressure water flow cleaning is carried out on the interior of a polymerization tank by a high-pressure water gun by using high-pressure water, an environment exhaust fan is started firstly, then high-pressure water cleaning is started, residual vinyl chloride monomer gas, vinylidene chloride monomer gas, air and partial water mist in the polymerization tank are pumped out by the environment exhaust fan and then enter a water-gas separation tank, water in the water-gas separation tank is separated and discharged into a water-sealed tank from the bottom of the water-gas separation tank, overflow from an overflow port on the upper portion of the water-sealed tank is discharged to a wastewater treatment process, and vinyl chloride monomers and vinylidene chloride monomers dissolved in the water are further treated. Vinyl chloride monomer gas, vinylidene chloride monomer gas and air are discharged from the upper part of the water-gas separation tank and enter the organic matter removal tank from the bottom of the organic matter removal tank, the vinyl chloride monomer gas and the vinylidene chloride monomer gas are removed in the organic matter removal tank, and the air is discharged from the top of the organic matter removal tank and is discharged into an exhaust tower through an environment exhaust fan.
An organic matter gas detector is arranged on a pipeline between the organic matter removing tank and the environment exhaust fan, and when the organic matter gas detector detects that organic matters exist, the organic matter removing agent in the organic matter removing tank is replaced to ensure that the air discharged into the atmosphere does not contain gaseous chloroethylene and vinylidene chloride.
In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An environment-friendly treatment system for chloroethylene and vinylidene chloride waste gas is characterized by comprising a water-gas separation tank, an organic matter removal tank, an environment exhaust fan, an exhaust tower and a water-sealed tank, wherein the inlet end of the water-gas separation tank is communicated with a polymerization tank, the gas outlet of the water-gas separation tank is communicated with the organic matter removal tank, the liquid outlet of the water-gas separation tank is communicated with the water-sealed tank, the water-sealed tank is communicated with an external wastewater removal treatment device, and the organic matter removal tank is communicated with the exhaust tower; the environment exhaust fan is used for pumping gas into the gas-water separation tank.
2. The eco-friendly treatment system for vinyl chloride and vinylidene chloride waste gas as claimed in claim 1, wherein a first manual valve is provided on a pipe connecting an inlet end of the water gas separation tank with the polymerization tank.
3. The eco-friendly treatment system for vinyl chloride and vinylidene chloride waste gas as claimed in claim 2, wherein a second manual valve is provided between the water-sealed tank and the wastewater removal treatment apparatus.
4. The environmental protection processing system for vinyl chloride and vinylidene chloride waste gas as claimed in claim 3, wherein an organic gas detector is provided on a pipeline connecting the organic removal tank and the exhaust tower.
5. The environmental protection treatment system for vinyl chloride and vinylidene chloride waste gas according to claim 4, wherein the organic matter removal tank is in communication with an external organic matter gas detector.
6. The environmental protection system for waste gas of vinyl chloride and vinylidene chloride as set forth in claim 5, wherein an overflow port is provided at an upper portion of the water-sealed tank, and the overflow port is communicated with a wastewater removal treatment device.
7. The environmental protection system for vinyl chloride and vinylidene chloride waste gas of claim 6, wherein a third manual valve is provided on a pipeline between the liquid output port of the water-gas separation tank and the water-sealed tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221239435.8U CN218460366U (en) | 2022-05-23 | 2022-05-23 | A environmental protection processing system for chloroethylene and vinylidene chloride waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221239435.8U CN218460366U (en) | 2022-05-23 | 2022-05-23 | A environmental protection processing system for chloroethylene and vinylidene chloride waste gas |
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| Publication Number | Publication Date |
|---|---|
| CN218460366U true CN218460366U (en) | 2023-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221239435.8U Active CN218460366U (en) | 2022-05-23 | 2022-05-23 | A environmental protection processing system for chloroethylene and vinylidene chloride waste gas |
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| Country | Link |
|---|---|
| CN (1) | CN218460366U (en) |
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2022
- 2022-05-23 CN CN202221239435.8U patent/CN218460366U/en active Active
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