CN215480069U - Vinyl chloride gas holder overflow water aeration recovery processing system - Google Patents
Vinyl chloride gas holder overflow water aeration recovery processing system Download PDFInfo
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- CN215480069U CN215480069U CN202122164002.2U CN202122164002U CN215480069U CN 215480069 U CN215480069 U CN 215480069U CN 202122164002 U CN202122164002 U CN 202122164002U CN 215480069 U CN215480069 U CN 215480069U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a chloroethylene gas holder overflow water aeration recovery processing system, which comprises: a vinyl chloride gas cabinet, an overflow water pipeline, a water spray pipe, an overflow pipe, a radar liquid level meter, a nitrogen gas inlet pipe, a suction pipe, a nitrogen gas injection pipe, an aeration recovery tank, a return pipeline, a recovery branch pipeline I, a recovery branch pipeline II, a recovery main pipeline, a reuse water pipeline and a reuse water pipeline; the vinyl chloride gas cabinet is connected with one end of an overflow water pipeline, and the other end of the overflow water pipeline is provided with a water spray pipe; a sight glass and an overflow water stop valve are arranged on the overflow water pipeline; an overflow pipe is arranged on the aeration recovery tank, a partition wall is arranged in the aeration recovery tank, and the aeration recovery tank is divided into a left tank and a right tank; the system carries out aeration treatment and recycle on the overflow water of the gas holder, effectively improves the treatment difficulty of the wastewater containing the vinyl chloride, saves the water usage amount of the water seal tank of the gas holder at one time, reduces the production cost of enterprises, and achieves the purposes of energy conservation, environmental protection and safe production.
Description
Technical Field
The utility model relates to the technical field of recovery treatment of overflow water of a vinyl chloride gas holder, in particular to an aeration recovery treatment system for overflow water of a vinyl chloride gas holder.
Background
The chloroethylene gas holder is generally used in the chloroethylene production process, the common chloroethylene gas holder is a water-sealed wet gas holder, the sealing water of the gas holder adopts primary water inflow and forms normally open overflow, the overflow water is directly discharged to a drainage system, the standard requirement is not met, a water source is wasted, and the safety production is not facilitated.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a chloroethylene gas holder overflow water aeration recovery treatment system, after the overflow water aeration recovery treatment of the chloroethylene gas holder, the content of chloroethylene in the overflow water is below 2PPM, one part of the treated water is recycled, and the other part of the treated water is reused in the whole plant, so that the water resource is saved, and the chloroethylene gas holder overflow water aeration recovery treatment system is favorable for safe production and environmental protection.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a vinyl chloride gas holder overflow water aeration recovery processing system includes: a vinyl chloride gas cabinet, an overflow water pipeline, a water spray pipe, an overflow pipe, a radar liquid level meter, a nitrogen gas inlet pipe, a suction pipe, a nitrogen gas injection pipe, an aeration recovery tank, a return pipeline, a recovery branch pipeline I, a recovery branch pipeline II, a recovery main pipeline, a reuse water pipeline and a reuse water pipeline; the vinyl chloride gas cabinet is connected with one end of an overflow water pipeline, and the other end of the overflow water pipeline is provided with a water spray pipe; a sight glass and an overflow water stop valve are arranged on the overflow water pipeline; the aeration recovery tank is provided with an overflow pipe and a partition wall, and the aeration recovery tank is divided into a left tank and a right tank; the spray pipe is positioned above the left tank of the aeration recovery tank; the nitrogen gas inlet pipe extends into the left tank of the aeration recovery tank, and the lower end of the nitrogen gas inlet pipe is connected with a nitrogen gas injection pipe; the nitrogen inlet pipe is provided with a nitrogen stop valve; the lower end of the suction pipe extends into the right tank of the aeration recovery tank, and the upper end of the suction pipe is connected with one end of the first recovery branch pipe and one end of the second recovery branch pipe; the other ends of the first recovery branch pipeline and the second recovery branch pipeline are connected with one end of the main recovery pipeline; the other end of the recovery main pipeline is connected with one end of the reuse water pipeline and one end of the reuse water pipeline; the other end of the reuse water pipeline is connected with a vinyl chloride gas tank; the recovery branch pipeline I is sequentially provided with a self-suction type centrifugal pump I, a pressure gauge II and a check valve I; the recovery branch pipeline II is sequentially provided with a self-suction centrifugal pump II, a pressure gauge I and a check valve II; a return pipeline is arranged on the first recovery branch pipeline and between the second pressure gauge and the first check valve, a first return stop valve is installed on the return pipeline, and the return pipeline is connected with the upper end of the return pipeline; a return pipeline is arranged on the second recovery branch pipeline and between the first pressure gauge and the second check valve, a second return stop valve is arranged on the return pipeline, and the return pipeline is connected with the upper end of the return pipeline; the lower end of the return pipeline extends into the right tank of the aeration recovery tank; the system is characterized in that a multiplexing water regulating valve is installed on the multiplexing water pipeline, a radar liquid level meter is installed above the right tank of the aeration recovery tank, and the signal output end of the radar liquid level meter is electrically connected with the control end of the multiplexing water regulating valve.
Preferably, a reuse water stop valve I and a reuse water stop valve II are respectively arranged on the front side and the rear side of the water regulating valve on the reuse water pipeline; and a bypass pipeline is connected in parallel on the front side of the first reuse water stop valve and the rear side of the second reuse water stop valve on the reuse water pipeline, and a bypass stop valve is installed on the bypass pipeline.
Preferably, a first guiding and leaching valve is arranged on the overflow water pipeline, and a second guiding and leaching valve is arranged on the recovery main pipeline.
Preferably, the specification of the water spray pipe is DN65, double rows of through holes are arranged, the diameter of each through hole is 8mm, and the distance between the through holes is 5 cm; the specification of the nitrogen injection pipe is a PN25 carbon steel pipeline, double rows of through holes are arranged, the hole diameter is 8mm, and the distance is 5 cm; the overflow pipe adopts a carbon steel pipeline with specification DN 80; the sight glass adopts DN65 straight-through sight glass.
Preferably, the aeration recovery tank is of a reinforced concrete structure, and the length, width and height of the aeration recovery tank are as follows: 3000mm 2000mm 1500 mm; the partition wall be reinforced concrete structure, its length width height is: 2000mm 200mm 1200 mm; the left pool and the right pool of the aeration recovery pool are equal in size.
Compared with the prior art, the utility model has the following beneficial effects:
the system carries out aeration treatment and recycle on the overflow water of the gas holder, effectively improves the treatment difficulty of the wastewater containing the vinyl chloride, saves the water usage amount of the water seal tank of the gas holder at one time, reduces the production cost of enterprises, and achieves the purposes of energy conservation, environmental protection and safe production.
Drawings
FIG. 1 is a schematic structural view of an overflow water aeration recovery treatment system of a vinyl chloride gas holder according to the present invention;
in the figure: the device comprises a vinyl chloride gas cabinet 1, an overflow water pipeline 2, a sight glass 3, an overflow water stop valve 4, a spray pipe 5, a first spray valve 6, an overflow pipe 7, a radar liquid level meter 8, a partition wall 9, a nitrogen gas inlet pipe 10, a nitrogen stop valve 11, a suction pipe 12, a nitrogen gas injection pipe 13, an aeration recovery tank 14, a return pipeline 15, a first recovery branch pipeline 16, a first self-priming centrifugal pump 17, a second self-priming centrifugal pump 18, a second recovery branch pipeline 19, a first pressure gauge 20, a first return stop valve 21, a second return stop valve 22, a second pressure gauge 23, a first check valve 24, a second check valve 25, a main recovery pipeline 26, a reuse water pipeline 27, a second spray valve 28, a first reuse water stop valve 29, a reuse water regulating valve 30, a second reuse water stop valve 31, a reuse water pipeline 32 and a bypass stop valve 33.
Detailed Description
The drawings in the embodiments of the utility model will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described as follows:
as shown in fig. 1, in one embodiment of the present invention, a vinyl chloride gas holder overflow water aeration recovery processing system comprises: a vinyl chloride gas cabinet 1, an overflow water pipeline 2, a water spray pipe 5, an overflow pipe 7, a radar liquid level meter 8, a nitrogen gas inlet pipe 10, a suction pipe 12, a nitrogen gas injection pipe 13, an aeration recovery tank 14, a return pipeline 15, a recovery branch pipeline I16, a recovery branch pipeline II 19, a recovery main pipeline 26, a reuse water pipeline 27 and a reuse water pipeline 32; the vinyl chloride gas cabinet 1 is connected with one end of an overflow water pipeline 2, the other end of the overflow water pipeline 2 is provided with a water spraying pipe 5, the overflow water pipeline 2 adopts a carbon steel pipeline, the pipeline is in flange connection, and the joint is fastened by a 3mm tetrafluoro gasket and a bolt; a sight glass 3 and an overflow water stop valve 4 are arranged on the overflow water pipeline 2; the aeration recovery tank 14 is provided with an overflow pipe 7, the overflow pipe 7 adopts a carbon steel pipeline, has the size DN80 and the pressure grade 16, and is characterized in that the accident of water leakage caused by the full liquid level of the aeration recovery tank can be prevented; a partition wall 9 is arranged in the aeration recovery tank 14 to separate the aeration recovery tank 14 into a left tank and a right tank; the water spraying pipe 5 is positioned above the left tank of the aeration recovery tank 14; the nitrogen gas inlet pipe 10 extends into the left tank of the aeration recovery tank 14, and the lower end of the nitrogen gas inlet pipe 10 is connected with a nitrogen gas injection pipe 13; the nitrogen inlet pipe 10 is provided with a nitrogen stop valve 11; the lower end of the suction pipe 12 extends into the right tank of the aeration recovery tank 14, and the upper end of the suction pipe 12 is connected with one end of a recovery branch pipe line I16 and one end of a recovery branch pipe line II 19; the other ends of the first recovery branch pipeline 16 and the second recovery branch pipeline 19 are connected with one end of a main recovery pipeline 26; the other end of the recovery main line 26 is connected with one end of a reuse water line 27 and a reuse water line 32; the other end of the reuse water pipeline 27 is connected with the vinyl chloride gas holder 1; the recovery branch pipeline I16 is sequentially provided with a self-suction centrifugal pump I17, a pressure gauge II 23 and a check valve I24; the recovery branch pipeline II 19 is sequentially provided with a self-suction centrifugal pump II 18, a pressure gauge I20 and a check valve II 25; a return pipeline is arranged on the first recovery branch pipeline 16 and between the second pressure gauge 23 and the first check valve 24, a first return stop valve 21 is installed on the return pipeline, and the return pipeline is connected with the upper end of the return pipeline 15; the pressure gauge is a stainless steel pressure gauge, the measuring range is 0-1MPa, and the gauge diameter is 10 cm; the self-suction centrifugal pump is 50ZX20-30-5.5KW in model, compact in structure, convenient to operate, stable in operation, high in efficiency and long in service life, and a bottom valve is not required to be installed in a pipeline, so that a pipeline system is simplified, and the labor condition is improved; a return pipeline is arranged on the second recovery branch pipeline 19 and between the first pressure gauge 20 and the second check valve 25, a second backflow stop valve 22 is installed on the return pipeline, and the return pipeline is connected with the upper end of the return pipeline 15; the lower end of the return pipeline 15 extends into the right tank of the aeration recovery tank 14; the multiplexing water pipeline 32 is provided with a multiplexing water regulating valve 30, a radar liquid level meter 8 is arranged above the right tank of the aeration recovery tank 14, and the signal output end of the radar liquid level meter 8 is electrically connected with the control end of the multiplexing water regulating valve 30.
In one embodiment of the present invention, a reuse water stop valve one 29 and a reuse water stop valve two 31 are respectively disposed on the reuse water line 32 on the front side and the rear side of the water regulating valve 30; a bypass pipeline is connected in parallel to the reuse water line 32 at the front side of the first reuse water stop valve 29 and the rear side of the second reuse water stop valve 31, and a bypass stop valve 33 is installed on the bypass pipeline.
In one embodiment of the present invention, to meet the requirement, the overflow line 2 is provided with a first pilot valve 6, and the main recovery line 26 is provided with a second pilot valve 28.
In one embodiment of the present invention, the spray pipe 5 has specification DN65, and is provided with two rows of through holes, wherein the diameter of the through holes is 8mm, and the distance between the through holes is 5 cm; the specification of the nitrogen injection pipe 13 is a PN25 carbon steel pipeline, double rows of through holes are arranged, the hole diameter is 8mm, and the distance is 5 cm; the sight glass 3 adopts DN65 straight-through sight glass.
In one embodiment of the present invention, the aeration recovery tank 14 is a reinforced concrete structure, and has a length, width and height: 3000mm 2000mm 1500 mm; partition wall 9 be reinforced concrete structure, its length and width height is: 2000mm 200mm 1200 mm; the left and right tanks of the aeration recovery tank 14 are equal in size.
During specific operation, overflow water in the vinyl chloride gas holder 1 reaches the water spray pipe 5 from the overflow water pipeline 2, water flow is sprayed to enter the left pool of the aeration recovery pool 14, and contacts with air in the falling process to emit partially dissolved vinyl chloride gas; the nitrogen stop valve 11 is opened, nitrogen is sprayed out from the nitrogen spraying pipe 13 and contacts overflow water in the left tank of the aeration recovery tank 14, and bubbles are splashed to emit partially dissolved chloroethylene gas, so that the aeration purpose is achieved; after the overflow water overflows the partition wall 9 and reaches the right tank of the aeration recovery tank 14, the self-suction centrifugal pump I17 and the self-suction centrifugal pump II 18 are started to recover the aerated overflow water, the aerated overflow water reaches the water using place in the factory building through the reuse water pipeline 32, and the aerated overflow water reaches the vinyl chloride gas holder 1 through the reuse water pipeline 27 to be continuously used.
When the radar liquid level meter 8 can control the opening of the reuse water regulating valve 30 according to the liquid level in the gas recovery tank 14, the reuse water quantity in the whole plant is regulated, and the liquid level of the aeration tank is constant;
when the recovered water amount is too large, the first backflow stop valve 21 and the second backflow stop valve 22 can be respectively adjusted according to the numerical values of the first pressure gauge 20 and the second pressure gauge 23 to enable the excessive water to flow back to the aeration recovery tank 14.
If the reuse water regulating valve 30 fails, the first reuse water stop valve 29 and the second reuse water stop valve 31 can be closed, and the regulation is carried out through the bypass stop valve 33.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention by equivalent replacement or change according to the technical solution and the modified concept of the present invention within the technical scope of the present invention.
Claims (5)
1. A vinyl chloride gas holder overflow water aeration recovery processing system includes: a vinyl chloride gas cabinet, an overflow water pipeline, a water spray pipe, an overflow pipe, a radar liquid level meter, a nitrogen gas inlet pipe, a suction pipe, a nitrogen gas injection pipe, an aeration recovery tank, a return pipeline, a recovery branch pipeline I, a recovery branch pipeline II, a recovery main pipeline, a reuse water pipeline and a reuse water pipeline; the method is characterized in that: the vinyl chloride gas cabinet is connected with one end of an overflow water pipeline, and the other end of the overflow water pipeline is provided with a water spray pipe; a sight glass and an overflow water stop valve are arranged on the overflow water pipeline; the aeration recovery tank is provided with an overflow pipe and a partition wall, and the aeration recovery tank is divided into a left tank and a right tank; the spray pipe is positioned above the left tank of the aeration recovery tank; the nitrogen gas inlet pipe extends into the left tank of the aeration recovery tank, and the lower end of the nitrogen gas inlet pipe is connected with a nitrogen gas injection pipe; the nitrogen inlet pipe is provided with a nitrogen stop valve; the lower end of the suction pipe extends into the right tank of the aeration recovery tank, and the upper end of the suction pipe is connected with one end of the first recovery branch pipe and one end of the second recovery branch pipe; the other ends of the first recovery branch pipeline and the second recovery branch pipeline are connected with one end of the main recovery pipeline; the other end of the recovery main pipeline is connected with one end of the reuse water pipeline and one end of the reuse water pipeline; the other end of the reuse water pipeline is connected with a vinyl chloride gas tank; the recovery branch pipeline I is sequentially provided with a self-suction type centrifugal pump I, a pressure gauge II and a check valve I; the recovery branch pipeline II is sequentially provided with a self-suction centrifugal pump II, a pressure gauge I and a check valve II; a return pipeline is arranged on the first recovery branch pipeline and between the second pressure gauge and the first check valve, a first return stop valve is installed on the return pipeline, and the return pipeline is connected with the upper end of the return pipeline; a return pipeline is arranged on the second recovery branch pipeline and between the first pressure gauge and the second check valve, a second return stop valve is arranged on the return pipeline, and the return pipeline is connected with the upper end of the return pipeline; the lower end of the return pipeline extends into the right tank of the aeration recovery tank; the system is characterized in that a multiplexing water regulating valve is installed on the multiplexing water pipeline, a radar liquid level meter is installed above the right tank of the aeration recovery tank, and the signal output end of the radar liquid level meter is electrically connected with the control end of the multiplexing water regulating valve.
2. The vinyl chloride gas holder overflow water aeration recovery processing system of claim 1, wherein: a first reuse water stop valve and a second reuse water stop valve are respectively arranged on the front side and the rear side of the water regulating valve on the reuse water pipeline; and a bypass pipeline is connected in parallel on the front side of the first reuse water stop valve and the rear side of the second reuse water stop valve on the reuse water pipeline, and a bypass stop valve is installed on the bypass pipeline.
3. The vinyl chloride gas holder overflow water aeration recovery processing system of claim 1, wherein: the overflow water pipeline is provided with a first guiding and leaching valve, and the recovery main pipeline is provided with a second guiding and leaching valve.
4. The vinyl chloride gas holder overflow water aeration recovery processing system of claim 1, wherein: the specification of the water spray pipe is DN65, and double rows of through holes are arranged, the diameter of each through hole is 8mm, and the distance between the through holes is 5 cm; the specification of the nitrogen injection pipe is a PN25 carbon steel pipeline, double rows of through holes are arranged, the hole diameter is 8mm, and the distance is 5 cm; the overflow pipe adopts a carbon steel pipeline with specification DN 80; the sight glass adopts DN65 straight-through sight glass.
5. The vinyl chloride gas holder overflow water aeration recovery processing system of claim 1, wherein: the aeration recovery tank is of a reinforced concrete structure, and the length, width and height of the aeration recovery tank are as follows: 3000mm 2000mm 1500 mm; the partition wall be reinforced concrete structure, its length width height is: 2000mm 200mm 1200 mm; the left pool and the right pool of the aeration recovery pool are equal in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122164002.2U CN215480069U (en) | 2021-09-08 | 2021-09-08 | Vinyl chloride gas holder overflow water aeration recovery processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122164002.2U CN215480069U (en) | 2021-09-08 | 2021-09-08 | Vinyl chloride gas holder overflow water aeration recovery processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215480069U true CN215480069U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122164002.2U Active CN215480069U (en) | 2021-09-08 | 2021-09-08 | Vinyl chloride gas holder overflow water aeration recovery processing system |
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| Country | Link |
|---|---|
| CN (1) | CN215480069U (en) |
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2021
- 2021-09-08 CN CN202122164002.2U patent/CN215480069U/en active Active
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