CN202953851U - Novel recycling system of polyvinyl chloride (PVC) centrifuge mother liquid - Google Patents
Novel recycling system of polyvinyl chloride (PVC) centrifuge mother liquid Download PDFInfo
- Publication number
- CN202953851U CN202953851U CN 201220571782 CN201220571782U CN202953851U CN 202953851 U CN202953851 U CN 202953851U CN 201220571782 CN201220571782 CN 201220571782 CN 201220571782 U CN201220571782 U CN 201220571782U CN 202953851 U CN202953851 U CN 202953851U
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- pvc
- filter
- mother liquid
- centrifuge mother
- recycling system
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Abstract
The utility model discloses a novel recycling system of polyvinyl chloride (PVC) centrifuge mother liquid. A PVC mother liquid pipe to be processed is connected with a cooling tower, a film filter and a backwashing device, wherein the film filter is a cross flow filter, a main body of the film filter is in a stainless steel structure, and the diameter of filter holes of a filter element is 0.2mu-0.5mu. The novel recycling system of the PVC centrifuge mother liquid is few in utilized device, simple and controllable in craft process, low in equipment cost, little in consumption, and good in recycling effect.
Description
Technical field
The utility model belongs to the PVC production field, relates to the new system of a kind of PVC centrifuge mother liquor reuse.
Background technology
Current, how solving environmental issue is the focus that entire society pays close attention to.The impact that the PVC industry causes environment is large, seriously polluted.In suspension method PVC production process, every production 1tPVC produces centrifuge mother liquor 3～5t ".At present.The treatment process of PVC centrifuge mother liquor comprises Physical, chemical method, electrolysis-coagulation method, activated sludge process and " two film " method etc.Physical is mainly to take over the treatment process of filter after the employing flocculating settling, PVC centrifuge mother liquor turbidity can be dropped to below 10 mg/L, but introduce other materials in Flocculation Settling Process, and very low to the clearance of solubility COD; The major defect of chemical method is high cost, is difficult to industrial applications; Loaded down with trivial details and the poor effect of the treating processes of electrolysis-coagulation method; The activated sludge process process is difficult to controlled; The problem of two embrane methods is that film often can be blocked, causes equipment damage.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide the reuse of a kind of PVC centrifuge mother liquor new system, and recovering effect is good, and cost is low.
To achieve these goals, the technical solution adopted in the utility model is:
The new system of a kind of PVC centrifuge mother liquor reuse, pending PVC mother liquor pipeline connects cooling tower, film filter and back washing device successively, and described film filter is cross-flow filter, and main body adopts stainless steel structure, and the pore size filter of filter core is 0.2～0.5 μ m.
Compared with prior art, the utility model using appts is few, and technological process is simply controlled, and the equipment cost low-loss is little, and reuse is effective.
The accompanying drawing explanation
Accompanying drawing is the utility model system chart.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details.
As shown in drawings, the utility model is the new system of a kind of PVC centrifuge mother liquor reuse, pending PVC mother liquor pipeline connects cooling tower, film filter and back washing device successively, and described film filter main body adopts stainless steel structure, and the pore size filter of filter core is 0.2～0.5 μ m.
Its mode of operation is:
After pending mother liquor waste water is tentatively lowered the temperature in cooling tower, with being pumped to film filter, described film filter is cross-flow filter, and main body adopts stainless steel structure, and the pore size filter of filter core is 0.2～0.5 μ m, can tackle all suspended particulates in the PVC mother liquor.Because film filter has been taked the mode of cross flow filter, therefore dope directly can be expelled to wastewater disposal basin, clear liquid is discharged in back washing device, adds after appropriate composition the polymerization production that can be directly used in reactor.When the filtration resistance of film filter acquires a certain degree, utilize water pump that the clear liquid in back washing device is used for to the cleaning membrane filtration device, the direct discharging of waste water after cleaning is to wastewater disposal basin.
Utilize native system, make film filter not there will be dirty stifled phenomenon, make the film filter can long-time running.
Claims (1)
1. the new system of PVC centrifuge mother liquor reuse, it is characterized in that, pending PVC mother liquor pipeline connects cooling tower, film filter and back washing device successively, and described film filter is cross-flow filter, main body adopts stainless steel structure, and the pore size filter of filter core is 0.2～0.5 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571782 CN202953851U (en) | 2012-11-02 | 2012-11-02 | Novel recycling system of polyvinyl chloride (PVC) centrifuge mother liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571782 CN202953851U (en) | 2012-11-02 | 2012-11-02 | Novel recycling system of polyvinyl chloride (PVC) centrifuge mother liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202953851U true CN202953851U (en) | 2013-05-29 |
Family
ID=48459435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571782 Expired - Fee Related CN202953851U (en) | 2012-11-02 | 2012-11-02 | Novel recycling system of polyvinyl chloride (PVC) centrifuge mother liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202953851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167889A (en) * | 2016-12-06 | 2019-08-23 | 格兰富控股联合股份公司 | Biomass selection and the consumption of selectivity organism matter enhance the multi-parameter of Membrane Bioreactor for Wastewater Treatment efficiency |
-
2012
- 2012-11-02 CN CN 201220571782 patent/CN202953851U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167889A (en) * | 2016-12-06 | 2019-08-23 | 格兰富控股联合股份公司 | Biomass selection and the consumption of selectivity organism matter enhance the multi-parameter of Membrane Bioreactor for Wastewater Treatment efficiency |
| CN110167889B (en) * | 2016-12-06 | 2022-12-30 | 格兰富控股联合股份公司 | Multi-parameter enhancement of membrane bioreactor treatment efficiency by biomass selection and selective biomass consumption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20131102 |