CN215208757U - Oil stain treatment system - Google Patents
Oil stain treatment system Download PDFInfo
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- CN215208757U CN215208757U CN202120133840.0U CN202120133840U CN215208757U CN 215208757 U CN215208757 U CN 215208757U CN 202120133840 U CN202120133840 U CN 202120133840U CN 215208757 U CN215208757 U CN 215208757U
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Abstract
The utility model provides an oil stain treatment system, including primary filter, one-level cooling board, second grade cooling board, one-level precision filter, second grade precision filter, the PVB cooling washs the basin and is connected through primary filter and a plurality of one-level cooling board, and a plurality of one-level cooling boards are connected with second grade cooling board behind corresponding one-level precision filter, and every second grade cooling board is connected with oil water separator behind corresponding second grade precision filter. The utility model discloses a primary filter filters the greasy dirt that solidifies in the waste water earlier, then cools down the processing through first grade cooling board, second grade cooling board to sewage, thereby makes the greasy dirt, oil vacuole or the thick oily filiform thing of useless pure water the inside solidify with higher speed, and filters through corresponding precision filter, through oil water separator at last, will remain and thoroughly get rid of the small oily composition of useless pure water totally, and this system purification efficiency is high; and cooling the refrigerant by a cold water heat pump unit.
Description
Technical Field
The utility model belongs to the technical field of the sewage treatment technique and specifically relates to an oil stain treatment system that is arranged in PVB film production process to produce.
Background
The PVB film production process mainly comprises the steps of heating up and melting a machine barrel of a multi-raw-material mixing extruder, extruding and forwarding to a mesh of a primary screen changer under the action of double screws of the extruder for filtering, increasing pressure under the action of a melt pump, re-pressurizing melted materials through a secondary melt pump, delivering the pressurized materials to a PVB sheet shaping die through a distributor, shaping the product from multiple indexes such as thickness, uniformity, patterns, appearance and the like through the shaping die, and treating the extruded and shaped product through the procedures such as cooling, stretching, moisture removal, drying, appearance detection and the like.
In the production process, the raw materials including the plasticizer and the potassium acetate are adopted, the PVB film needs to be cooled through a water tank in the mold shaping link by using pure water, the front and back surfaces of the PVB film are cleaned by the cooled pure water, the cleaned pure water is polluted, the water surface contains oily components of the raw material components including the plasticizer and the potassium acetate, oily dirt, oil bubbles or viscous oily silk waste substances can be accumulated for a long time, and the oily waste substances can be discharged to a post-process sewage treatment station along with the polluted pure water.
The prior art is mainly used for treating oil stains, and the oil stains or viscous oily silk waste substances are filtered, then the waste water is discharged to a raw water tank of a sewage station for storage, after the residual oily stains, oil stains or viscous oily silk waste substances on the polluted pure water surface are completely solidified or agglomerated, the oily solidified substances are fished up and packaged by a barrel, and are recycled and treated by qualified companies together with dried sludge at the time, and the waste water in the fished clean raw water tank is pumped to the sewage station for qualified treatment and then discharged.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a greasy dirt processing system, this system can carry out effective processing to the greasy dirt.
The technical scheme of the utility model is that: the utility model provides an oil stain treatment system, includes primary filter, one-level cooling board, second grade cooling board, one-level precision filter, second grade precision filter, primary filter's import pass through pipeline and PVB cooling washing basin intercommunication, primary filter's export pass through the pipeline and be connected with a plurality of one-level cooling boards, one-level cooling board with the waste water cooling of PVB cooling washing basin to 8-10 ℃ to make grease, oil vacuole or the thick oily filiform thing of useless pure water the inside solidify with higher speed, it is a plurality of one-level cooling board be connected with second grade cooling board behind corresponding one-level precision filter, every second grade cooling board be connected with oil water separator behind corresponding second grade precision filter, oil water separator be connected with the effluent water sump.
The sewage of the PVB cooling cleaning water tank is filtered to remove solidified oil dirt through a primary filter, then the wastewater is cooled to 8-10 ℃ through a primary cooling plate so as to accelerate solidification of oil dirt, oil bubbles or viscous oily filiform substances in the waste pure water, then the massive oil dirt or granular oil dirt in the waste pure water is completely filtered through a primary precision filter, then the wastewater is cooled to 2-3 ℃ through a secondary cooling plate, a small part of oil dirt components in the waste pure water is cooled and precipitated again to be solidified into small massive or granular materials, then the small massive or granular oil dirt materials are filtered through a secondary precision filter, and finally oil-water separation treatment is carried out through an oil-water separator so as to thoroughly remove the tiny oily components remained in the waste pure water.
Preferably, the system further comprises an ethylene glycol liquid storage tank, and the primary cooling plate and the secondary cooling plate are communicated with the ethylene glycol liquid storage tank through a confluence pipeline.
Preferably, the ethylene glycol liquid storage tank is used for storing ethylene glycol, and the ethylene glycol is used as a refrigerant of the system.
Preferably, the system further comprises a cold water heat pump unit, wherein the cold water heat pump unit is connected with the ethylene glycol liquid storage tank, so that the ethylene glycol medium in the ethylene glycol liquid storage tank is input into the cold water heat pump unit and is cooled to-15 to-18 ℃.
Preferably, the system further comprises a cooling tower, the cold water heat pump unit is connected with the cooling tower through a circulating pipeline, and the cooling tower cools heat generated by the cold water heat pump unit in the refrigeration process through circulating water.
Preferably, the cold water heat pump unit is further connected with the first-stage cooling plate and the second-stage cooling plate so as to convey the refrigerant cooled by the cold water heat pump unit to the first-stage cooling plate and the second-stage cooling plate.
Preferably, the circulating pump is arranged on the pipeline between the cold water heat pump unit and the first-stage cooling plate and between the cold water heat pump unit and the second-stage cooling plate.
Preferably, the first-stage cooling plate and the second-stage cooling plate are spiral plate heat exchangers.
The utility model has the advantages that:
1. the utility model discloses a primary filter filters the greasy dirt that solidifies in the waste water earlier, then cools down the processing through first grade cooling board, second grade cooling board to sewage, thereby makes the greasy dirt, oil vacuole or the thick oily filiform thing of useless pure water the inside solidify with higher speed, and filters through corresponding precision filter, through oil water separator at last, will remain and thoroughly get rid of the small oily composition of useless pure water totally, and this system purification efficiency is high;
2. the utility model discloses a set up cold water heat pump set, carry the refrigerant to one-level cooling board, second grade cooling board through this unit to the realization is to waste water refrigerated purpose, and simultaneously, the cooling tower utilizes the circulating water to cool down the processing to cold water heat pump set, guarantees system normal operating.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a primary filter, 2-a primary cooling plate, 3-a secondary cooling plate, 4-a primary precision filter, 5-a secondary precision filter, 6-an ethylene glycol liquid storage tank, 7-a cold water heat pump unit, 8-a cooling tower and 9-an oil-water separator.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1, the oil stain treatment system comprises a primary filter 1, a primary cooling plate 2, a secondary cooling plate 3, a primary precision filter 4, a secondary precision filter 5, an ethylene glycol liquid storage tank 6 and a cold water heat pump unit 7, wherein the devices used in the embodiment are all existing devices, and the structure and the working principle of the devices are known to those skilled in the art.
The entrance point of primary filter 1 pass through pipeline and PVB cooling washing basin intercommunication, wherein, PVB cooling washing basin in the waste water for containing oil dirt, oil vacuole or thick oily filiform waste. And (3) performing primary filtration on the solidified oil stain in the PVB cooling and cleaning water tank through the primary filter 1.
The outlet end of the primary filter 1 is connected in parallel with a plurality of first-stage cooling plates 2 which are arranged side by side through pipelines, the primary cooling plate 2 cools the wastewater in the PVB cooling and cleaning water tank to 8-10 ℃, so as to accelerate the solidification of oil dirt, oil bubbles or viscous oily filaments in the waste pure water, a plurality of first-stage cooling plates 2 are connected with a second-stage cooling plate 3 after passing through corresponding first-stage precision filters 4, the sewage filtered by the first-stage precision filters 4 is cooled by the second-stage cooling plate 3, the wastewater is cooled to 2-3 ℃ again through the second-stage cooling plates 3, a small part of oil dirt components in the wastewater pure water are cooled again and are precipitated and solidified into small blocky or granular materials, each second-stage cooling plate 3 passes through the corresponding second-stage precision filter 5 and then is connected with the oil-water separator 9, and the oil-water separator 9 is connected with the sewage pool. The minute oily components remaining in the waste pure water are completely removed by the oil-water separator 9.
In addition, the ethylene glycol liquid storage tank 6 is internally stored with ethylene glycol which is used as a refrigerant of the system, and the cold water heat pump unit 7 is connected with the ethylene glycol liquid storage tank 6, so that the ethylene glycol medium in the ethylene glycol liquid storage tank 6 is input into the cold water heat pump unit 7 to be cooled to-15 to-18 ℃. The cold water heat pump unit 7 is further connected with the first-stage cooling plate 2 and the second-stage cooling plate 3 so as to convey the refrigerant cooled by the cold water heat pump unit 7 to the first-stage cooling plate 2 and the second-stage cooling plate 3, wherein the first-stage cooling plate 2 and the second-stage cooling plate 3 are further communicated with the ethylene glycol liquid storage tank 6 through a confluence pipeline, so that the refrigerant is conveyed to the cold water heat pump unit 7 to be cooled.
Preferably, the system further comprises a cooling tower 8, the cold water heat pump unit 7 is connected with the cooling tower 8 through a circulating pipeline, and the cooling tower cools heat generated by the cold water heat pump unit 7 in the refrigerating process through circulating water, so that normal work of the cold water heat pump unit 7 is guaranteed.
Preferably, a circulating pump is further arranged on the pipeline between the cold water heat pump unit 7 and the first-stage cooling plate 2 and the second-stage cooling plate 3.
Preferably, the first-stage cooling plate 2 and the second-stage cooling plate 3 described in this embodiment are spiral plate heat exchangers.
The working principle is as follows:
the sewage of the PVB cooling cleaning water tank is filtered to remove solidified oil dirt through a primary filter 1, then the sewage is cooled to 8-10 ℃ through a primary cooling plate 2 so as to accelerate solidification of oil dirt, oil bubbles or viscous oily filaments in the waste pure water, then the massive oil dirt or granular oil dirt in the waste pure water is completely filtered through a primary precision filter 4, then the sewage is cooled to 2-3 ℃ through a secondary cooling plate 3, a small part of oil dirt components in the waste pure water is cooled again and is precipitated and solidified into small massive or granular materials, then the small massive or granular oil dirt materials are filtered through a secondary precision filter 5, and finally oil-water separation treatment is carried out through an oil-water separator 9 so as to completely remove the tiny oily components remained in the waste pure water.
In the process, the cold water heat pump unit 7 is used for conveying the cold medium cooled to-15 to-18 ℃ to the first-stage cooling plate 2 and the second-stage cooling plate 3 to cool the wastewater, and meanwhile, the first-stage cooling plate 2 and the second-stage cooling plate 3 convey the heat-exchanged cold medium back to the cold water heat pump unit 7 again to be cooled, so that the temperature of the cold medium is ensured.
The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (8)
1. The utility model provides an oil stain treatment system which characterized in that: including primary filter, one-level cooling board, second grade cooling board, one-level precision filter, second grade precision filter, primary filter's import pass through the pipeline and wash the basin intercommunication with the PVB cooling, primary filter's export pass through the pipeline and be connected with a plurality of one-level cooling boards, it is a plurality of the one-level cooling board be connected with second grade cooling board behind corresponding one-level precision filter, every second grade cooling board be connected with oil water separator behind corresponding second grade precision filter, oil water separator and effluent water sump be connected.
2. The oil stain treatment system according to claim 1, wherein: the system also comprises an ethylene glycol liquid storage tank, and the primary cooling plate and the secondary cooling plate are communicated with the ethylene glycol liquid storage tank through a confluence pipeline.
3. The oil stain treatment system according to claim 2, wherein: the ethylene glycol liquid storage tank is used for storing ethylene glycol, and the ethylene glycol is used as a refrigerant of the system.
4. An oil stain treatment system according to claim 3, characterised in that: the system also comprises a cold water heat pump unit, and the cold water heat pump unit is connected with the ethylene glycol liquid storage tank.
5. The oil stain treatment system according to claim 4, wherein: the system also comprises a cooling tower, the cold water heat pump unit is connected with the cooling tower through a circulating pipeline, and the cooling tower cools heat generated by the cold water heat pump unit in the refrigeration process through circulating water.
6. The oil stain treatment system according to claim 5, wherein: the cold water heat pump unit is also connected with the first-stage cooling plate and the second-stage cooling plate so as to convey the refrigerant cooled by the cold water heat pump unit to the first-stage cooling plate and the second-stage cooling plate.
7. The oil stain treatment system according to claim 6, wherein: and the circulating pump is also arranged on the pipeline between the cold water heat pump unit and the first-stage cooling plate and the second-stage cooling plate.
8. The oil stain treatment system according to claim 7, wherein: the first-stage cooling plate and the second-stage cooling plate are spiral plate heat exchangers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133840.0U CN215208757U (en) | 2021-01-19 | 2021-01-19 | Oil stain treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133840.0U CN215208757U (en) | 2021-01-19 | 2021-01-19 | Oil stain treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215208757U true CN215208757U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120133840.0U Active CN215208757U (en) | 2021-01-19 | 2021-01-19 | Oil stain treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215208757U (en) |
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2021
- 2021-01-19 CN CN202120133840.0U patent/CN215208757U/en active Active
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