CN218290563U - Device for removing organic matters in wastewater discharged during production of vinylidene chloride - Google Patents
Device for removing organic matters in wastewater discharged during production of vinylidene chloride Download PDFInfo
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- CN218290563U CN218290563U CN202222398291.7U CN202222398291U CN218290563U CN 218290563 U CN218290563 U CN 218290563U CN 202222398291 U CN202222398291 U CN 202222398291U CN 218290563 U CN218290563 U CN 218290563U
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- vinylidene chloride
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Abstract
The utility model discloses an organic matter remove device in waste water that production vinylidene chloride discharged, including organic matter desorber, gas water separator, desorption fan, room and waste water temporary storage pond are got rid of to the organic matter, organic matter desorber upper portion is provided with the water inlet, the waste water that the water inlet inserted production vinylidene chloride discharged, organic matter desorber lower part is provided with the air intake, the air intake communicates with desorption fan's export, organic matter desorber bottom is provided with the outlet, the inlet intercommunication in pond is kept in to outlet and waste water, organic matter desorber top still is provided with the gas vent, gas vent and gas water separator's air inlet intercommunication, the gas outlet of gas water separator and the entry intercommunication that the room was got rid of to the organic matter, the export that the room was got rid of to the organic matter communicates with the entry of exhaust tower bottom. The utility model has the advantages of reduce the pollution to the environment, in time change according to discharging the active adsorbate that detects the condition in to the organic matter remover simultaneously.
Description
Technical Field
The utility model relates to a discharge waste water treatment technical field, in particular to organic matter remove device in waste water that production vinylidene chloride discharged.
Background
Vinylidene chloride monomer is required for the production of food-grade polyvinylidene chloride resin (PVDC resin for short) by companies. The quality requirement of the vinylidene chloride monomer is 'two higher and one lower' (high purity, high stability and low impurity content), the process technical index is strictly controlled, and at present, each production factory has own technical secret, so the vinylidene chloride monomer used for producing the PVDC resin is produced by each factory by adopting own process technology. The process route of the vinylidene chloride monomer produced by the existing company is as follows: after trichloroethane is produced by chlorination addition of vinyl chloride, the trichloroethane is subjected to HCL removal reaction under a strong alkaline condition to generate vinylidene chloride. The strong base used in the production process is calcium hydroxide and the source is quicklime, so that a large amount of waste water containing substances is required to be generated in the production process, at present, after the waste water is subjected to flocculation and sedimentation treatment, the sediments are extruded into a mud cake to be treated as solid waste, water separated from the sediments passes through an organic matter desorption tower, organic gas is discharged into the atmosphere from the top of the tower, and the water is further treated in a waste water tank. In the above treatment process, the organic gas desorbed from the wastewater is directly discharged into the atmosphere, thereby causing certain pollution to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an organic matter remove device in waste water that production vinylidene chloride discharged reduces the pollution to the environment, in time changes according to discharging the active adsorbate of the testing condition in to the organic matter remover simultaneously.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an organic matter remove device in waste water that production vinylidene chloride discharged, its characterized in that gets rid of room and waste water and keeps in the pond including organic matter desorber, deareator, desorption fan, organic matter desorber upper portion is provided with the water inlet, the waste water that the water inlet inserted production vinylidene chloride discharged, organic matter desorber lower part is provided with the air intake, the air intake communicates with the export of desorption fan, organic matter desorber bottom is provided with the outlet, the inlet intercommunication in pond is kept in to outlet and waste water, organic matter desorber top still is provided with the gas vent, the gas vent communicates with deareator's air inlet, deareator's gas outlet and organic matter get rid of the entry intercommunication of room, the export that the room was got rid of to the organic matter communicates with the entry of exhaust tower bottom.
Preferably, a desorption pump is connected to a water inlet at the upper part of the organic matter desorption tower, and the wastewater discharged in the production of the vinylidene chloride is conveyed into the organic matter desorption tower through the desorption pump.
Preferably, the inside spray set that is provided with in water inlet department of organic matter desorber, the waste water that produces vinylidene chloride and discharges sprays the desorption through spray set.
Preferably, a pipe shaped like a Chinese character 'ji' is further arranged between the water outlet at the bottom of the organic matter desorption tower and the temporary wastewater storage tank.
Preferably, the inlet of the desorption fan is further communicated with a silencer, and a stop valve is further arranged between the silencer and the air inlet of the desorption fan.
Preferably, the bottom of the gas-water separator is also communicated with a wastewater treatment tank, and a ball valve is also arranged between the bottom of the gas-water separator and the wastewater treatment tank.
Preferably, an organic matter on-line monitor is arranged between the organic matter removing chamber and the exhaust tower, and an active adsorbate is arranged in the organic matter removing chamber.
Preferably, a drain valve is further arranged at the bottom of the exhaust tower.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses an increase the liquid and the gas separation that gas-water separator can at first carry in the gas of organic matter desorber top portion to do benefit to the normal work of organic matter remover, the organic matter remover does benefit to the adsorption principle, and active adsorption material is used to the selectivity, and targeted, efficient adsorb the organic matter that needs to get rid of, and organic matter content detector online real-time detection is from the content of organic matter among the organic matter remover exhaust gas, and the nearly discharge upper limit of settlement of content, changes the active adsorbate in the organic matter remover.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The following description will be further described with reference to the accompanying drawings, which are not intended to limit the present invention.
As shown in fig. 1, the device for removing organic matters from wastewater 7 discharged during the production of vinylidene chloride comprises an organic matter desorption tower 1, a gas-water separator 2, a desorption fan 3, an organic matter removal chamber 4, a temporary wastewater storage tank 5 and an exhaust tower 11, wherein a water inlet 6 is arranged at the upper part of the organic matter desorption tower 1, the water inlet 6 is connected to the wastewater 7 discharged during the production of vinylidene chloride, an air inlet 8 is arranged at the lower part of the organic matter desorption tower 1, the air inlet 8 is communicated with an outlet of the desorption fan 3, a water outlet 9 is arranged at the bottom of the organic matter desorption tower 1, the water outlet 9 is communicated with an inlet of the temporary wastewater storage tank 5, an exhaust port 10 is further arranged at the top of the organic matter desorption tower 1, the exhaust port 10 is communicated with an air inlet of the gas-water separator 2, an air outlet of the gas-water separator 2 is communicated with an inlet of the organic matter removal chamber 4, and an outlet of the organic matter removal chamber 4 is communicated with an inlet at the bottom of the exhaust tower 11.
A desorption pump 12 is connected to a water inlet 6 at the upper part of the organic matter desorption tower 1, wastewater 7 discharged during the production of vinylidene chloride is conveyed into the organic matter desorption tower 1 through the desorption pump 12, a spraying device 13 is arranged at the water inlet 6 inside the organic matter desorption tower 1, and the wastewater 7 discharged during the production of vinylidene chloride is sprayed and desorbed through the spraying device 13, so that the wastewater is more fully contacted with air and the substance exchange is realized.
A reversed V-shaped liquid level stabilizing pipe 14 is also arranged between the water outlet 9 at the bottom of the organic matter desorption tower 1 and the temporary wastewater storage pool 5, and the reversed V-shaped liquid level stabilizing pipe 14 is arranged at the bottom of the organic matter desorption tower 1 and is used for stabilizing the liquid level of wastewater.
The inlet of the desorption fan 3 is also communicated with a silencer 15, a stop valve 16 is arranged between the silencer 15 and the air inlet 8 of the desorption fan 3, and the silencer 15 can reduce the noise at the inlet of the desorption fan 3.
The bottom of the gas-water separator 2 is also communicated with a wastewater treatment tank 17, a ball valve 18 is also arranged between the bottom of the gas-water separator 2 and the wastewater treatment tank 17, and the wastewater treatment tank 17 can collect and treat the water separated from the organic gas in the gas-water separator 2. .
An organic matter on-line monitor 19 is arranged between the organic matter removing chamber 4 and the exhaust tower 11, active adsorbates are installed in the organic matter removing chamber 4, and the organic matter on-line monitor 19 can detect the content of organic matters in exhaust gas in real time so as to judge whether the active adsorbates in the organic matter removing chamber 4 need to be replaced.
The bottom of the exhaust tower 11 is provided with a drain valve 20, and the drain valve 20 can drain part of the liquid collected on the inner wall of the exhaust tower 11.
The utility model discloses a work flow does: after the wastewater discharged from the vinylidene chloride monomer production process is flocculated and settled, the upper clear water is conveyed to the upper part of the organic matter desorption tower 1 by a desorption pump and is sprayed to the bottom of the organic matter desorption tower 1.
Fresh air enters the organic matter desorption tower 1 from an air inlet 8 at the bottom of the organic matter desorption tower 1 through a desorption fan 3.
In the organic matter desorption tower 1, the fresh air rising from the bottom of the tower exchanges substances with the water sprayed from the upper part of the tower, the organic matters dissolved in the water are desorbed and discharged from the top of the tower along with the fresh air in a gas form, and the wastewater is discharged into the temporary wastewater storage tank 5 from a liquid level stabilizing pipe 14 shaped like a Chinese character ji at the bottom of the tower.
The air containing organic gas discharged from the top of the organic substance desorption tower 1 carries a certain amount of water, which enters from the lower part of the gas-water separator 2, the water is sufficiently separated from the air containing organic gas in the gas-water separator 2, the water is discharged from the lower part of the gas-water separator 2 to the wastewater treatment tank 17, and the air containing organic gas is discharged from the top of the gas-water separator 2.
The air containing organic gas discharged from the top of the gas-water separator 2 is introduced into the organic substance removing chamber 4 from one side of the organic substance removing chamber 4, where the organic gas in the air is selectively adsorbed by the active adsorbent, and the air from which the organic substance is removed is discharged from the other side of the organic substance removing chamber 4.
The air discharged from the organic removing chamber 4 enters the exhaust tower 11, the height of the exhaust tower 11 is 25 meters, the exhaust tower meets the exhaust emission standard, and part of the liquid is discharged from a liquid discharge valve 20 at the bottom of the exhaust tower 11.
In order to prevent the active adsorbent in the organic matter removing chamber 4 from being saturated and losing its effect, an organic matter on-line detector 19 is added between the organic matter removing chamber 4 and the exhaust tower 11 to detect the content of organic matter in the exhaust gas in real time, and when the content of organic matter in the exhaust gas is detected to be close to the set upper limit of exhaust, the active adsorbent in the organic matter remover 4 is replaced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications or equivalent substitutions within the spirit and scope of the present invention, and such modifications or equivalent substitutions should also be considered as falling within the scope of the present invention.
Claims (8)
1. The utility model provides an organic matter remove device in waste water that production vinylidene chloride discharged, its characterized in that gets rid of room and waste water and keeps in the pond including organic matter desorber, deareator, desorption fan, organic matter desorber upper portion is provided with the water inlet, the waste water that the water inlet inserted production vinylidene chloride discharged, organic matter desorber lower part is provided with the air intake, the air intake communicates with the export of desorption fan, organic matter desorber bottom is provided with the outlet, the inlet intercommunication in pond is kept in to outlet and waste water, organic matter desorber top still is provided with the gas vent, the gas vent communicates with deareator's air inlet, deareator's gas outlet and organic matter get rid of the entry intercommunication of room, the export that the room was got rid of to the organic matter communicates with the entry bottom the exhaust tower.
2. The apparatus for removing organic substances in wastewater discharged from the production of vinylidene chloride as claimed in claim 1, wherein: and a water inlet at the upper part of the organic matter desorption tower is connected with a desorption pump, and the wastewater discharged during the production of the vinylidene chloride is conveyed into the organic matter desorption tower through the desorption pump.
3. The apparatus for removing organic substances in wastewater discharged from the production of vinylidene chloride as claimed in claim 1, wherein: the organic matter desorption tower is internally provided with a spraying device at a water inlet, and the wastewater discharged during the production of the vinylidene chloride is sprayed and desorbed through the spraying device.
4. The apparatus for removing organic substances in wastewater discharged from the production of vinylidene chloride as claimed in claim 1, wherein: a U-shaped pipe is also arranged between the water outlet at the bottom of the organic matter desorption tower and the temporary wastewater storage tank.
5. The apparatus for removing organic substances in wastewater discharged from the production of vinylidene chloride as claimed in claim 1, wherein: the inlet of the desorption fan is also communicated with a silencer, and a stop valve is arranged between the silencer and the air inlet of the desorption fan.
6. The apparatus for removing organic substances from wastewater discharged during the production of vinylidene chloride as claimed in claim 1, wherein: the bottom of the gas-water separator is also communicated with a wastewater treatment tank, and a ball valve is also arranged between the bottom of the gas-water separator and the wastewater treatment tank.
7. The apparatus for removing organic substances in wastewater discharged from the production of vinylidene chloride as claimed in claim 1, wherein: an organic matter on-line monitor is arranged between the organic matter removing chamber and the exhaust tower, and active adsorbates are arranged in the organic matter removing chamber.
8. The apparatus for removing organic substances in wastewater discharged from the production of vinylidene chloride as claimed in claim 1, wherein: and a liquid discharge valve is also arranged at the bottom of the exhaust tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222398291.7U CN218290563U (en) | 2022-09-09 | 2022-09-09 | Device for removing organic matters in wastewater discharged during production of vinylidene chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222398291.7U CN218290563U (en) | 2022-09-09 | 2022-09-09 | Device for removing organic matters in wastewater discharged during production of vinylidene chloride |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218290563U true CN218290563U (en) | 2023-01-13 |
Family
ID=84813269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222398291.7U Active CN218290563U (en) | 2022-09-09 | 2022-09-09 | Device for removing organic matters in wastewater discharged during production of vinylidene chloride |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218290563U (en) |
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2022
- 2022-09-09 CN CN202222398291.7U patent/CN218290563U/en active Active
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