CN212924728U - Printing and dyeing wastewater pretreatment device - Google Patents
Printing and dyeing wastewater pretreatment device Download PDFInfo
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- CN212924728U CN212924728U CN202021093495.4U CN202021093495U CN212924728U CN 212924728 U CN212924728 U CN 212924728U CN 202021093495 U CN202021093495 U CN 202021093495U CN 212924728 U CN212924728 U CN 212924728U
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Abstract
The utility model discloses a pretreatment device for printing and dyeing wastewater, which comprises a sewage tank, a sedimentation tank, an electrolytic tank, a biological tank, a filtering tank, an ultraviolet sterilization tank and a water storage tank which are connected in sequence through pipelines, wherein one side of the sewage tank, which is far away from the sedimentation tank, is fixedly provided with a water inlet pipe, a pipeline between the sewage tank and the sedimentation tank is provided with a valve a, one side of the water storage tank, which is far away from the ultraviolet sterilization tank, is fixedly provided with a water outlet pipe, the water outlet pipe is provided with a valve b, and a high-efficiency fiber layer, a PP cotton filter element and an activated carbon sheet are arranged in the filtering tank in sequence. Therefore, the method has the advantages of high efficiency, convenience, rapidness and no pollution.
Description
Technical Field
The utility model relates to a waste water treatment technical field, in particular to printing and dyeing wastewater pretreatment device.
Background
Waste water discharged from cotton, hemp, chemical fiber and blended products thereof, and silk, printing and dyeing, wool dyeing and finishing, silk factories and the like. The types and the processing techniques of the fibers are different, and the water quantity and the water quality of the printing and dyeing wastewater are also different. Wherein the amount of the wastewater in the printing and dyeing mill is large, 100-200 t of water is consumed for every 1t of textile processed by printing and dyeing, and 80-90% of the wastewater is discharged. The printing and dyeing wastewater has the characteristics of large water quantity, high organic pollutant content, large alkalinity, large water quality change and the like, belongs to one of industrial wastewater difficult to treat, and contains dye, slurry, auxiliary agent, oil agent, acid and alkali, fiber impurities, sand substances, inorganic salt and the like.
Most of the existing printing and dyeing wastewater pretreatment methods adopt a precipitation method, and then chemicals are put into the printing and dyeing wastewater to perform chemical reaction so as to remove harmful substances in the printing and dyeing wastewater, however, certain chemicals remain in the treated printing and dyeing wastewater, and the chemicals and the treated printing and dyeing wastewater are discharged into a river channel together to cause certain influence on the environment. In view of the above problems, a solution is proposed as follows.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a printing and dyeing wastewater pretreatment device has high efficiency, convenient and fast and pollution-free advantage.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a printing and dyeing wastewater pretreatment of water device, includes effluent water sump, sedimentation tank, electrolytic bath, biological pond, filtering ponds, ultraviolet sterilization pond and the tank that connect gradually through the pipeline, one side that the sedimentation tank was kept away from to the effluent water sump has set firmly the inlet tube, just the inlet tube link up with the effluent water sump is inside mutually, be provided with valve a on the pipeline between effluent water sump and the sedimentation tank, one side that the ultraviolet sterilization pond was kept away from to the tank has set firmly the outlet pipe, just the outlet pipe link up with the inside of tank mutually, be provided with valve b on the outlet pipe, high-efficient fibrous layer, the cotton filter core of PP and activated carbon piece have set gradually in the filtering ponds.
By adopting the technical scheme, the printing and dyeing wastewater is discharged into the sewage tank through the water inlet pipe, the flow velocity in a pipeline between the sewage tank and the electrolytic tank can be changed through the opening and closing size of the valve a, so that the work in the sedimentation tank is sufficient, the printing and dyeing wastewater precipitated by the sedimentation tank can flow through the pipeline to the electrolytic tank, then the electrolytic tank works, suspended matters, colloidal substances and the like can be adsorbed into floccules by the electrolytic tank, the floccules can be removed from the printing and dyeing wastewater, all organic matters or inorganic matters in the printing and dyeing wastewater can be subjected to oxidative decomposition, some substances in the printing and dyeing wastewater can be reduced, the printing and dyeing wastewater electrolyzed by the electrolytic tank can flow through the pipeline to the interior of the biological tank, organic matters in the printing and dyeing wastewater can be converted into simple inorganic matters through the decomposition effect of microorganisms, the printing and dyeing wastewater is purified, and the printing and dyeing wastewater decomposed by the biological tank can flow through the pipeline, the PP cotton filter element can block, adsorb and differentiate to remove pollutants in the printing and dyeing wastewater, thereby achieving the effects of purification, filtration, purification and the like, preventing the printing and dyeing wastewater from generating chemical reaction when being fused with internal substances, and the active carbon sheet can play a certain role in decoloring, deodorizing, dechlorinating, removing organic matters and heavy metals, removing synthetic detergents, bacteria, viruses and radioactive pollutants on the printing and dyeing wastewater, thereby changing the printing and dyeing wastewater into clear water meeting the discharge standard, the clear water filtered by the filter tank can flow through the filter tank to the interior of the ultraviolet sterilization tank through the pipeline, and the bacteria left in the clear water can be effectively killed by the irradiation of ultraviolet rays, therefore, the influence of bacteria on the water environment can be reduced, the finally clean water can flow through the water storage tank from the ultraviolet sterilization tank through the pipeline, the valve b is opened by a user, and the treated clean water can be discharged into a life river channel through the water outlet pipe.
Preferably, a stirring device is arranged in the sedimentation tank, and a filter screen is arranged on a pipeline between the sedimentation tank and the electrolytic cell.
Adopt above-mentioned technical scheme, through agitating unit's stirring, can effectually get rid of the flocculation impurity in the printing and dyeing waste water in the sedimentation tank, consequently make the more quick deposit of the great granule impurity in the printing and dyeing waste water in the bottom of sedimentation tank, the filter screen can block that the great impurity that does not deposit flows through to the electrolytic bath.
Preferably, a drain outlet is formed in the lower side of the sedimentation tank, a drain pipe is connected to the drain outlet, and a drain valve is fixedly arranged at one end, far away from the drain outlet, of the drain pipe.
Adopt above-mentioned technical scheme, when the bottom deposit impurity of sedimentation tank is more, the user can open the blowoff valve, and sedimentary impurity can flow into in the blowoff pipe through the drain, flows out through the blowoff valve afterwards, and the user can collect the impurity that flows out, later does subsequent processing.
Preferably, a pH detection device is arranged in the electrolytic cell.
By adopting the technical scheme, the PH detection device can monitor the PH value of the printing and dyeing wastewater in the electrolytic cell in real time, so that whether the printing and dyeing wastewater in the electrolytic cell is electrolyzed can be indirectly reflected.
Preferably, a water level display pipe is fixedly arranged on one side of the water storage tank, and two ends of the water level display pipe are communicated with the inside of the water storage tank.
By adopting the technical scheme, the user can observe the change of the water quantity in the water storage tank through the water level display pipe.
Preferably, the sewage tank, the sedimentation tank, the electrolytic tank, the biological tank, the filtering tank, the ultraviolet sterilization tank and the water storage tank are all internally provided with temperature detection devices.
By adopting the technical scheme, the temperature detection device can monitor the temperature in each pool in real time, so that a user can conveniently control the temperature in each pool to achieve the optimal working state.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
fig. 2 is a sectional view of the embodiment.
Reference numerals: 1. a sewage tank; 2. a sedimentation tank; 3. an electrolytic cell; 4. a biological pond; 5. a filtration tank; 6. an ultraviolet sterilization pool; 7. a water storage tank; 8. a water inlet pipe; 9. a valve a; 10. a water outlet pipe; 11. a valve b; 12. a high efficiency fiber layer; 13. a PP cotton filter element; 14. an activated carbon sheet; 15. a filter screen; 16. a sewage draining outlet; 17. a blow-off pipe; 18. a blowoff valve; 19. a pH detection device; 20. a water level display pipe; 21. a temperature detection device.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
As shown in fig. 1 to 2, a pretreatment device for printing and dyeing wastewater comprises a sewage tank 1, a sedimentation tank 2, an electrolytic tank 3, a biological tank 4, a filter tank 5, an ultraviolet sterilization tank 6 and a water storage tank 7 which are sequentially connected through a pipeline, wherein a water inlet pipe 8 is fixedly arranged on one side of the sewage tank 1, which is far away from the sedimentation tank 2, the water inlet pipe 8 is communicated with the inside of the sewage tank 1, and printing and dyeing wastewater is discharged into the sewage tank 1 through the water inlet pipe 8. A valve a9 is arranged on the pipeline between the sewage pool 1 and the sedimentation pool 2, and the flow speed in the pipeline between the sewage pool 1 and the electrolytic pool 3 can be changed through the opening and closing size of the valve a9, so that the sedimentation pool 2 can work fully. Be provided with agitating unit in the sedimentation tank 2, through agitating unit's stirring, can effectually get rid of the flocculation impurity in the printing and dyeing waste water in the sedimentation tank 2, consequently make the more quick deposit of bigger granule impurity in the printing and dyeing waste water in the bottom of sedimentation tank 2. The downside of sedimentation tank 2 is equipped with drain 16, is connected with blow off pipe 17 on the drain 16, and the one end that drain 16 was kept away from to blow off pipe 17 has set firmly blowoff valve 18, and when the bottom deposit impurity of sedimentation tank 2 was more, the user can open blowoff valve 18, and sedimentary impurity can flow into in the drain 17 through drain 16, flows through blowoff valve 18 afterwards, and the user can collect the impurity that flows out, later does subsequent processing.
Be provided with filter screen 15 on the pipeline between sedimentation tank 2 and the electrolytic bath 3, printing and dyeing waste water after 2 precipitations of sedimentation tank can flow through electrolytic bath 3 through the pipeline, filter screen 15 can block that the great impurity that does not precipitate flows through in electrolytic bath 3, later electrolytic bath 3 works, electrode plate circular telegram loses the very strong metal cation of adsorption efficiency of formation behind the electron, dissolve in aquatic, these ions have higher condensation in aquatic, can adsorb into the flocculating constituent with suspended solid and colloidal substance etc., thereby get rid of in the printing and dyeing waste water. The anode discharge can generate nascent oxygen which has oxidation capacity and can carry out oxidative decomposition on all organic matters or inorganic matters in the printing and dyeing wastewater. In addition to the anode reaction, hydrogen ion discharge can also occur on the cathode plate to generate hydrogen, so that nascent oxygen with strong reduction effect is formed, and certain substances in the printing and dyeing wastewater can be reduced through the nascent oxygen. A PH detection device 19 is arranged in the electrolytic cell 3, and the PH detection device 19 can monitor the PH value of the printing and dyeing wastewater in the electrolytic cell 3 in real time, so that whether the printing and dyeing wastewater in the electrolytic cell 3 is electrolyzed or not can be indirectly reflected.
The printing and dyeing wastewater electrolyzed by the electrolytic cell 3 flows into the biological cell 4 through the pipeline, and organic matters in the printing and dyeing wastewater are converted into simple inorganic matters through the decomposition action of microorganisms, so that the printing and dyeing wastewater is purified.
The printing and dyeing wastewater decomposed by the biological pond 4 flows through the pipeline into the filtering pond 5, the efficient fiber layer 12, the PP cotton filter element 13 and the activated carbon sheet 14 are sequentially arranged in the filtering pond 5, the efficient fiber layer 12 is small in diameter and large in specific surface area, gaps among filter materials are very small, and the high-efficiency filtering effect is achieved, the PP cotton filter element 13 can block, adsorb and differentiate pollutants in the printing and dyeing wastewater, so that the effects of purification, filtration and purification are achieved, chemical reaction can be prevented when the printing and dyeing wastewater is fused with internal substances, and the activated carbon sheet 14 can perform certain decoloration, deodorization, dechlorination, organic matter and heavy metal removal, synthetic detergent removal, bacteria, viruses and radioactive pollutants on the printing and dyeing wastewater, so that the printing and dyeing wastewater is changed into clear water meeting the emission standard.
Clear water filtered by the filter tank 5 can flow through the filter tank 5 to the ultraviolet sterilization tank 6 through a pipeline, and bacteria left in the clear water can be effectively killed through ultraviolet irradiation, so that the influence of the bacteria on the water environment can be reduced.
Finally, the clear water can flow through the water storage tank 7 from the ultraviolet sterilization tank 6 through the pipeline, the water level display tube 20 is fixedly arranged on one side of the water storage tank 7, the two ends of the water level display tube 20 are communicated with the inside of the water storage tank 7, and the user can observe the change of the water quantity in the water storage tank 7 through the water level display tube 20. A water outlet pipe 10 is fixedly arranged on one side of the water storage tank 7 far away from the ultraviolet sterilization tank 6, the water outlet pipe 10 is communicated with the inside of the water storage tank 7, a valve b11 is arranged on the water outlet pipe 10, a user opens the valve b11, and the treated clean water is discharged into a life river channel through the water outlet pipe 10.
Claims (6)
1. The utility model provides a pretreatment of printing and dyeing wastewater device, its characterized in that includes effluent water sump (1), sedimentation tank (2), electrolytic bath (3), biological pond (4), filtering ponds (5), ultraviolet sterilization pond (6) and tank (7) that connect gradually through the pipeline, one side that sedimentation tank (2) were kept away from in effluent water sump (1) has set firmly inlet tube (8), just inlet tube (8) link up with effluent water sump (1) is inside mutually, be provided with valve a (9) on the pipeline between effluent water sump (1) and sedimentation tank (2), one side that ultraviolet sterilization pond (6) were kept away from in tank (7) has set firmly outlet pipe (10), just outlet pipe (10) link up with the inside of tank (7) mutually, be provided with valve b (11) on outlet pipe (10), high-efficiency fiber layer (12) have set gradually in filtering ponds (5), A PP cotton filter element (13) and an active carbon sheet (14).
2. The pretreatment device for printing and dyeing wastewater according to claim 1, characterized in that a stirring device is arranged in the sedimentation tank (2), and a filter screen (15) is arranged on the pipeline between the sedimentation tank (2) and the electrolytic cell (3).
3. The pretreatment device for printing and dyeing wastewater according to claim 2, characterized in that a drain outlet (16) is arranged at the lower side of the sedimentation tank (2), a drain pipe (17) is connected to the drain outlet (16), and a drain valve (18) is fixedly arranged at one end of the drain pipe (17) far away from the drain outlet (16).
4. The pretreatment device for printing and dyeing wastewater according to claim 3, characterized in that a pH detection device (19) is provided in the electrolytic cell (3).
5. The pretreatment device for printing and dyeing wastewater according to claim 4, characterized in that a water level display pipe (20) is fixedly arranged on one side of the water storage tank (7), and both ends of the water level display pipe (20) are communicated with the interior of the water storage tank (7).
6. The pretreatment device for printing and dyeing wastewater according to claim 5, characterized in that temperature detection devices (21) are arranged in the sewage tank (1), the sedimentation tank (2), the electrolytic tank (3), the biological tank (4), the filter tank (5), the ultraviolet sterilization tank (6) and the water storage tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093495.4U CN212924728U (en) | 2020-06-12 | 2020-06-12 | Printing and dyeing wastewater pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021093495.4U CN212924728U (en) | 2020-06-12 | 2020-06-12 | Printing and dyeing wastewater pretreatment device |
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| CN212924728U true CN212924728U (en) | 2021-04-09 |
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| CN202021093495.4U Active CN212924728U (en) | 2020-06-12 | 2020-06-12 | Printing and dyeing wastewater pretreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173678A (en) * | 2021-04-20 | 2021-07-27 | 常州大学 | Device and method for purifying printing and dyeing wastewater |
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2020
- 2020-06-12 CN CN202021093495.4U patent/CN212924728U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173678A (en) * | 2021-04-20 | 2021-07-27 | 常州大学 | Device and method for purifying printing and dyeing wastewater |
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