CN210945077U - Polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage - Google Patents
Polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage Download PDFInfo
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- CN210945077U CN210945077U CN201921733312.8U CN201921733312U CN210945077U CN 210945077 U CN210945077 U CN 210945077U CN 201921733312 U CN201921733312 U CN 201921733312U CN 210945077 U CN210945077 U CN 210945077U
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Abstract
The utility model discloses a polyvinylidene chloride polymerization gets organic matter repurifying device in discharging, including polymerization jar, thick liquid jar, gas-water separation jar of keeping in, retrieve monomer holding vessel, organic waste water jar, condenser, organic matter adsorption filter, effluent water sump, level gauge, organic waste water delivery pump of keeping in. The utility model has the advantages of get to polymerization and unload remaining monomer in the drainage and adsorb to get rid of the waste water organic matter, the practicality is strong.
Description
Technical Field
The utility model relates to a chemical industry equipment field, in particular to polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage.
Background
Companies use suspension polymerization technology to produce food grade polyvinylidene chloride resin (abbreviated as PVDC resin). After the monomer polymerization is finished, the polymerized PVDC resin slurry needs to be transferred and the monomer needs to be recycled, and the process is 'unloading'. The resin slurry transfer is to transfer the slurry to a slurry temporary storage tank; the monomer recovery is to separate the unreacted monomer from the slurry in the polymerization and store the monomer in a monomer recovery storage tank, and then to achieve the purposes of purification and reuse through rectification separation.
The unreacted monomers in the resin slurry are effectively recovered by implementing positive pressure and negative pressure recovery technology. The negative pressure recovery adopts a vacuum negative pressure recovery technology, and a liquid ring vacuum pump is used for generating vacuum. When the liquid ring vacuum pump works, sealing water needs to be continuously supplied to generate negative pressure, the sealing water is in direct contact with monomers needing to be recovered, partial monomers are dissolved in the sealing water and are discharged into waste water along with the sealing water (the monomers dissolved in the water are mainly vinylidene chloride), the content of organic matters in the waste water is high, and the waste water discharge quality is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims to provide a polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage, its characterized in that, including polymerization jar, thick liquid jar, gas-water separation jar, retrieve monomer holding vessel, organic waste water jar, condenser, organic matter adsorption filter, effluent water sump, level gauge, organic waste water delivery pump of keeping in, polymerization jar bottom export is connected through the pipeline with thick liquid jar entry of keeping in, thick liquid jar export is connected through the pipeline with gas-water separation jar lateral wall entry, gas-water separation jar top export is connected through the pipeline with the condenser, the condenser is connected through the pipeline with retrieving monomer holding tank bottom entry, gas-water separation jar bottom export is connected through the pipeline with organic waste water jar entry of keeping in, organic waste water jar export is connected with organic waste water delivery pump, organic waste water delivery pump and organic matter adsorption filter top entry connection, the bottom outlet of the organic matter adsorption filter is connected with the sewage tank, and the liquid level meter is arranged in the organic wastewater temporary storage tank.
Preferably, electric stirring devices are arranged in the polymerization tank and the slurry temporary storage tank.
Preferably, a liquid ring vacuum pump is arranged between the slurry temporary storage tank and the gas-water separation tank connecting pipeline.
Preferably, a control valve is further arranged between the organic wastewater delivery pump and the organic matter adsorption filter.
Preferably, a filter plate is arranged at the lower part in the organic matter adsorption filter, filter cloth is paved on the filter plate, and an adsorbent is filled above the filter cloth.
Preferably, the side wall of the organic matter adsorption filter is provided with an upper opening and a lower opening.
To sum up, the utility model discloses following beneficial effect has:
1. the utility model discloses with the monomer that dissolves in the waste water from the separation of gas-water separation tank bottom, finally accomplish the absorption to the organic matter through organic matter adsorption filter, discharge the effluent water sump again, reduce the organic matter and discharge, environmental protection more.
2. The utility model discloses a set up the level gauge in organic matter waste water temporary storage tank, set up organic waste water delivery pump and control valve between organic matter waste water temporary storage tank and organic matter adsorption filter, control valve's aperture is controlled according to the change of the liquid level of organic matter waste water temporary storage tank, makes the liquid level of organic matter waste water temporary storage tank require the within range in the control all the time.
3. The utility model discloses well organic matter adsorption filter accessible lateral wall trompil artificial discharge adsorbent down, it can pack the adsorbent once more to go up the trompil, and exhaust adsorbent can directly burn the processing, and is convenient high-efficient.
Drawings
Fig. 1 is a schematic structural diagram 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 figure 1, the repurification device for organic matters in polyvinylidene chloride polymerization discharge water comprises a polymerization tank 1, a slurry temporary storage tank 3, a gas-water separation tank 6, a recovered monomer storage tank 8, an organic wastewater temporary storage tank 9, a condenser 7, an organic matter adsorption filter 13, a sewage tank 14, a liquid level meter 10 and an organic wastewater delivery pump 11.
Install polymerization electric stirring device 1 in polymerization jar 1 and be used for acting on monomer polymerization, polymerization electric stirring device 2 sets up to be double-deck stirring rake, 1 bottom export of polymerization jar is stored jar 2 entries with the thick liquid and is connected through the pipeline, install thick liquid electric stirring device 4 in the thick liquid jar 3 of storing in for carry out the mixing to inside thick liquid, for preparing on next step, thick liquid jar 3 exports of storing in and is connected through the pipeline with the 6 lateral wall entry of deareator jar, be provided with a liquid ring vacuum pump 5 between thick liquid jar 3 of storing in and the 6 pipelines of deareator jar, liquid ring vacuum pump 5 keeps in 3 interior thick liquids of jar of thick liquid and shifts to deareator jar 6.
6 top exports of gas-water separation jar are connected through the pipeline with condenser 7, condenser 7 is connected through the pipeline with retrieving 8 bottom entrances in monomer holding vessel, owing to under negative pressure state, unreacted monomer releases into the gaseous phase from the liquid phase in the thick liquid, gets into condenser 7 through 6 top exports of gas-water separation jar, becomes liquid after the condensation, gets into at last and retrieves in the monomer holding vessel 8.
6 bottom exports of gas-water separation jar and organic waste water temporary storage tank 9 entry is connected through the pipeline, be provided with a level gauge 10 in the organic waste water temporary storage tank 9, organic waste water temporary storage tank 9 exports and is connected through the pipeline with organic waste water delivery pump 11, organic waste water delivery pump 11 is connected through the pipeline with organic matter adsorption filter 13 top entry, still be provided with a control valve 12 between organic waste water delivery pump 11 and the organic matter adsorption filter 13 pipeline, the aperture of control valve is controlled according to the liquid level change of organic waste water temporary storage tank 9, makes the liquid level of organic waste water temporary storage tank 9 in the control requirement scope all the time.
The bottom outlet of the organic matter adsorption filter 13 is connected with the sewage tank 14 through a pipeline, a filter plate is arranged at the lower part in the organic matter adsorption filter 13, filter cloth is laid on the filter plate, an adsorbent is filled above the filter cloth, the side wall of the organic matter adsorption filter 13 is provided with an upper opening and a lower opening, the upper opening is used for filling a new adsorbent, the lower opening is used for discharging the adsorbent used for a period of time, the adsorbent has high adsorption capacity for organic matters, the performance of adsorbing the organic matters after the adsorbent is used for a period of time is reduced, so the adsorbent needs to be discharged, and then high-temperature incineration treatment is carried out.
The utility model discloses a theory of operation does: after the monomer polymerization is finished, transferring polyvinylidene chloride slurry from the polymerization tank 1 to a slurry temporary storage tank 3 by using a positive pressure recovery technology, and after the slurry transfer is finished, finishing the positive pressure recovery of the monomer.
The liquid ring vacuum pump 5 is started, the pressure of the slurry temporary storage tank 3 is gradually reduced and becomes a negative pressure state, unreacted monomers in the slurry are released from a liquid phase and enter a gas phase, then the unreacted monomers sequentially pass through the liquid ring vacuum pump 5 and the gas-water separator 6 and enter the condenser 7 to be cooled into liquid, the cooled liquid enters the monomer recovery storage tank 8, and 85% of the unreacted monomers in the process are effectively recovered into the monomer recovery storage tank 8.
After unreacted monomers in the slurry are converted into gas phase and enter the liquid ring vacuum pump 5, part of the gas phase monomers are dissolved in sealing water of the liquid ring vacuum pump 5 and enter the gas-water separator 6, and finally are discharged into the organic wastewater temporary storage tank 9 from the bottom of the gas-water separator 6.
The organic wastewater temporary storage tank 9 is provided with a liquid level meter 10 which, together with a control valve 12 and an organic wastewater delivery pump 11, forms an automatic liquid level control system containing the organic wastewater temporary storage tank 9, so that the liquid level containing the organic wastewater temporary storage tank 9 is constantly controlled within a predetermined required range.
The wastewater containing the monomers comes out from the bottom of the temporary storage tank 9 containing the organic wastewater, passes through the organic wastewater delivery pump 11 and the control valve 12, and enters the organic adsorption filter 13 from the top of the organic adsorption filter 13. The organic substance adsorption filter 13 is filled with an adsorbent having a high adsorption performance for organic substances, and selectively adsorbs vinylidene chloride, and vinylidene chloride dissolved in the discharged wastewater is effectively adsorbed, so that the content of vinylidene chloride in the wastewater discharged from the bottom of the organic substance adsorption filter 13 is controlled to be in the ppm level to the ppb level. The water discharged from the bottom of the organic matter adsorbing filter 13 is introduced into the wastewater tank 14.
After the adsorbent with high adsorption performance to organic matters is used for a period of time, the performance of adsorbing the organic matters is reduced, the organic matters can be manually discharged through the lower opening of the organic matter adsorption filter 13, and then the adsorbent with high adsorption performance to the organic matters is manually refilled through the upper opening of the organic matter adsorption filter 13. The discharged adsorbent with high adsorption performance is used as solid waste to be subjected to high-temperature incineration treatment.
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 (6)
1. The utility model provides a polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage which characterized in that, including polymerization tank, thick liquid jar, gas-water separation jar, retrieve monomer holding vessel, organic waste water jar, condenser, organic matter adsorption filter, effluent water sump, level gauge, organic waste water delivery pump of keeping in, polymerization tank bottom export is connected through the pipeline with thick liquid jar entry of keeping in, thick liquid jar export is connected through the pipeline with gas-water separation jar lateral wall entry, gas-water separation jar top export is connected through the pipeline with the condenser, the condenser is connected through the pipeline with retrieving monomer holding tank bottom entry, gas-water separation jar bottom export is connected through the pipeline with organic waste water jar entry of keeping in, organic waste water jar export is connected through the pipeline with organic waste water delivery pump, the organic waste water delivery pump is connected with an organic matter adsorption filter top inlet through a pipeline, an organic matter adsorption filter bottom outlet is connected with a sewage pool through a pipeline, and the liquid level meter is arranged in an organic waste water temporary storage tank.
2. The apparatus of claim 1, wherein the apparatus comprises: and electric stirring devices are arranged in the polymerization tank and the slurry temporary storage tank.
3. The apparatus of claim 1, wherein the apparatus comprises: and a liquid ring vacuum pump is arranged between the slurry temporary storage tank and the gas-water separation tank connecting pipeline.
4. The apparatus of claim 1, wherein the apparatus comprises: and a control valve is also arranged between the organic wastewater delivery pump and the organic matter adsorption filter.
5. The apparatus of claim 1, wherein the apparatus comprises: the lower part in the organic matter adsorption filter is provided with a filter plate, filter cloth is laid on the filter plate, and an adsorbent is filled above the filter cloth.
6. The apparatus of claim 1, wherein the apparatus comprises: the organic matter adsorption filter lateral wall is provided with two trompils from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921733312.8U CN210945077U (en) | 2019-10-16 | 2019-10-16 | Polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921733312.8U CN210945077U (en) | 2019-10-16 | 2019-10-16 | Polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage |
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| Publication Number | Publication Date |
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| CN210945077U true CN210945077U (en) | 2020-07-07 |
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| CN201921733312.8U Active CN210945077U (en) | 2019-10-16 | 2019-10-16 | Polyvinylidene chloride polymerization is got and is unloaded organic matter repurification device in drainage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113105668A (en) * | 2021-04-30 | 2021-07-13 | 南通汇羽丰新材料有限公司 | System and method for recovering resin from polyvinylidene chloride resin slurry washing waste liquid |
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2019
- 2019-10-16 CN CN201921733312.8U patent/CN210945077U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113105668A (en) * | 2021-04-30 | 2021-07-13 | 南通汇羽丰新材料有限公司 | System and method for recovering resin from polyvinylidene chloride resin slurry washing waste liquid |
| CN113105668B (en) * | 2021-04-30 | 2023-06-13 | 南通汇羽丰新材料有限公司 | System and method for recovering resin from polyvinylidene chloride resin slurry water-washing waste liquid |
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