CN205501073U - Papermaking wastewater treatment system - Google Patents
Papermaking wastewater treatment system Download PDFInfo
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- CN205501073U CN205501073U CN201620319002.1U CN201620319002U CN205501073U CN 205501073 U CN205501073 U CN 205501073U CN 201620319002 U CN201620319002 U CN 201620319002U CN 205501073 U CN205501073 U CN 205501073U
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Abstract
The utility model discloses a papermaking wastewater treatment system, it includes catch basin, oblique net, equalizing basin, reaction tank, air supporting pond, biochemical pond, first sedimentation tank, second sedimentation tank, sludge impoundment and filter press, the waste water import is connected with the catch basin, waste water filters the late arrival equalizing basin through netting to one side, the export of equalizing basin is connected with the reaction tank through first sewage pump and blender, the export of reaction tank is connected with the air supporting pond, air supporting pond upper portion is equipped with the drain, the lower part is equipped with the liquid outlet, the drain in air supporting pond is connected with the sludge impoundment through mud scrapping device on the one hand, the liquid outlet in on the other hand air supporting pond is connected with biochemical bottom of the pool portion through the second sewage pump, biochemical pond is connected with first sedimentation tank, the export and the second sedimentation tank of first sedimentation tank are connected, the drain of second sedimentation tank is connected with the sludge impoundment through mud scrapping device, the export and the filter press of sludge impoundment are connected. The utility model discloses simple structure invests in for a short time, takes up an area of for a short time, both can save the area, has saved the investment again.
Description
Technical field
This utility model relates to Industrial cleaning facility equipment, specifically a kind of papermaking sewage treatment system.
Background technology
In wet papermaking factory, from slurrying to papermaking, each process is required for using and discharge substantial amounts of water, the water discharged is referred to as paper waste, in waste water in addition to a part of mthod of white water from paper making participates in recycling, unnecessary waste water needs to reach sewage drainage standard through process and could outer arrange, and the most each Pulp And Papermaking Mill has sewage treatment plant or sewage treatment plant.Must have alkali collection facility in the factory utilizing wood chip or rice and wheat straw pulping, the black liquor of steaming and decocting wood chip or the generation of rice wheat straw is processed by alkali collection facility, and middle-stage wastewater and mthod of white water from paper making enter sewage disposal system and process；Use the factory of commodity purchased slurry papermaking, there is no pulping process, therefore need not alkali collection, but the waste water produced in production process also must be through materialization, biochemical treatment ability qualified discharge.
But existing sewage disposal system processes and typically uses the sedimentation method, its efficiency is low, weak effect, and sludge settling process needs the longer time of staying, when paper mill cannot build sufficiently large sedimentation tank because place is little, sedimentation tank water outlet can be carried a part of mud or float the most unavoidably.And materialized mud enters biochemistry pool and not only increases the pollutional load of biochemistry pool, and in causing biochemistry pool, invalid mud increases, and reduces biochemical efficiency.
Utility model content
The purpose of this utility model is to optimize the deficiency of existing production technology, adapts to reality need, it is provided that a kind of papermaking sewage treatment system.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
It includes collecting-tank, regulating reservoir, reaction tank, flotation tank, biochemistry pool, the first sedimentation tank, the second sedimentation tank, sludge-tank, filter press and connects pipeline,
Waste water inlet is connected with collecting-tank；Oblique net it is provided with between collecting-tank and regulating reservoir, the outlet at bottom of regulating reservoir is connected with the import at reaction tank top through the first sewage pump and blender, reaction tank upper outlet is connected with the import of flotation tank, flotation tank top is provided with sewage draining exit, bottom is provided with liquid outlet, on the one hand the top sewage draining exit of flotation tank is connected with sludge-tank through mud-scraping apparatus, on the other hand the bottom liquid outlet of flotation tank is connected with bottom biochemistry pool through the second sewage pump, the outlet of biochemistry pool is connected with the first sedimentation tank, the upper outlet of the first sedimentation tank is connected with the second sedimentation tank, the top of the second sedimentation tank is provided with liquid outlet, bottom is provided with sewage draining exit, the sewage draining exit of the second sedimentation tank is connected with sludge-tank through mud-scraping apparatus, the outlet of sludge-tank is connected with filter press.
In described biochemistry pool, level is provided with an aerated conduit, the aerobic section being arranged above biochemistry pool of aerated conduit, and lower section is the anaerobism section of biochemistry pool.
Described oblique net is arranged on the side, top of regulating reservoir by cross beam support；Tiltedly the tilt outlet of net is provided with fiber recovery pond near the side of regulating reservoir.
Described reaction tank is positioned at the top of flotation tank, and the water inlet end of flotation tank is provided with molten gas release device.
The outlet of described biochemistry pool, the liquid outlet of the first sedimentation tank and the second sedimentation tank liquid outlet are arranged for gravity flow low by height.
The aerated conduit of described biochemistry pool is arranged on cell body 1/4 equal-height position, and aerated conduit is connected with compressed air hose.
The bottom of described first sedimentation tank is provided with sewage draining exit, and sewage draining exit, through the first sludge pump and three-way valve, is on the one hand back to biochemistry pool, is on the other hand connected with sludge-tank.
Described blender has two, the respectively first blender and the second blender, the first blender and the second blender is equipped with medicament and adds mouth.
Being additionally provided with the 3rd blender on the outlet of described sludge-tank and the connecting line of filter press, the 3rd blender is provided with medicament and adds mouth.
This utility model uses air supporting method mud-water separation efficiency and disintegrate-quality to be significantly larger than the sedimentation method, mud or suspension content in flotation tank water outlet are significantly less than the content in sedimentation tank water outlet, therefore flotation tank is set before biochemistry pool, when not only can reduce waste water entrance biochemistry pool, invalid mud brings into, alleviate the pollutional load of biochemistry pool water inlet, improve the biochemical treatment efficiency of biochemistry pool, and can effectively reduce the suspension content of terminal water outlet, improve the unit sewage treatment capacity of system；Simultaneously because flotation tank simple in construction, invest little, take up an area little, for the paper mill of place shortage, both can save the area, and save again investment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
In figure, collecting-tank 1, oblique net 2, regulating reservoir 3, reaction tank 4, flotation tank 5, biochemistry pool 6, the first sedimentation tank 7, second sedimentation tank 8, sludge-tank 9, fiber recovery pond 10, filter press 11, compressed air hose 12, the first sewage pump 31, first blender 32, the second blender 33, the second sewage pump 51, first sludge pump 71, the second sludge pump 91, the 3rd blender 92.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings:
Embodiment: see Fig. 1.
It includes collecting-tank 1, regulating reservoir 3, reaction tank 4, flotation tank 5, biochemistry pool the 6, first sedimentation tank the 7, second sedimentation tank 8, sludge-tank 9, filter press 11 and connects pipeline,
Waste water inlet is connected with collecting-tank 1；Oblique net 2 it is provided with between collecting-tank 1 and regulating reservoir 3, the outlet at bottom of regulating reservoir 3 is connected with the import at reaction tank 4 top through the first sewage pump 31 and blender, reaction tank 4 upper outlet is connected with the import of flotation tank 5, flotation tank 5 top is provided with sewage draining exit, bottom is provided with liquid outlet, on the one hand the top sewage draining exit of flotation tank 5 is connected with sludge-tank 9 through mud-scraping apparatus, on the other hand the bottom liquid outlet of flotation tank 5 is connected bottom biochemistry pool 6 through the second sewage pump 51, the outlet of biochemistry pool 6 is connected with the first sedimentation tank 7, the upper outlet of the first sedimentation tank 7 is connected with the second sedimentation tank 8, the top of the second sedimentation tank 8 is provided with liquid outlet, bottom is provided with sewage draining exit, the sewage draining exit of the second sedimentation tank 8 is connected with sludge-tank 9 through mud-scraping apparatus, the outlet of sludge-tank 9 is connected with filter press 11.
In described biochemistry pool 6, level is provided with an aerated conduit, the aerobic section being arranged above biochemistry pool 6 of aerated conduit, and lower section is the anaerobism section of biochemistry pool 6.
Described oblique net 2 is arranged on the side, top of regulating reservoir 3 by cross beam support；Tiltedly the tilt outlet of net 2 is provided with fiber recovery pond 10 near the side of regulating reservoir 3.
Described reaction tank 4 is positioned at the top of flotation tank 5, and the water inlet end of flotation tank 5 is provided with molten gas release device.
The outlet of described biochemistry pool 6, the liquid outlet of the first sedimentation tank 7 and the second sedimentation tank 8 liquid outlet are arranged for gravity flow low by height.
The aerated conduit of described biochemistry pool 6 is arranged on cell body 1/4 equal-height position, and aerated conduit is connected with compressed air hose 12.
The bottom of described first sedimentation tank 7 is provided with sewage draining exit, and sewage draining exit, through the first sludge pump 71 and three-way valve, is on the one hand back to biochemistry pool 6, is on the other hand connected with sludge-tank 9.
Described blender has two, the respectively first blender 32 and the second blender 33, the first blender 32 and the second blender 33 is equipped with medicament and adds mouth.
Being additionally provided with the 3rd blender 92 on the outlet of described sludge-tank 9 and the connecting line of filter press 11, the 3rd blender 92 is provided with medicament and adds mouth.
This utility model waste water flows into collecting-tank 1 by gravity flow after grid, waste water is carried to the tank of oblique net 2 upper end by sewage pump and is flowed to by tank cross direction profiles tiltedly online, the paper pulp fiber that tiltedly net filtration goes out slips into fiber recovery pond 10 and is sent back to slip house reuse by pulp pump, waste water then falls into regulating reservoir 3 through mesh, waste water is pumped out by the first sewage pump 31 after overregulating after being mixed by dosing in chemical-dosing mixer and enters the further coagulating of reaction tank 4 and form cotton-shaped alumen ustum mud, and then gravity flow flows into the intake chamber of flotation tank 5；The molten gas release device of flotation tank 5 water inlet end discharges microbubble in pond, after cotton-shaped alumen ustum sludge absorption microbubble, buoyancy increases and rapidly increases to face, pond, scraped into sludge sump by the scraper plate of mud-scraping apparatus and flow into sludge-tank 9 by sludge pipe, the anaerobism section that waste water after mud-water separation is then delivered to bottom biochemistry pool 6 by the second sewage pump 51 of water side carries out anaerobic biological, wherein, a part of biochemical sludge is thrown in advance in biochemistry pool 6；The most slowly rise through aerobic section aerobic biochemical, period compressed air hose 12 discharges large quantity of air microbubble, some microbubbles are assembled formation air pocket and waste water are risen agitaion, make activated sludge in pond, microbubble, waste water three be sufficiently mixed, waste water after biochemical treatment flows into the first sedimentation tank 7 from biochemistry pool upper end outlet and carries out precipitate and separate, a part of mud returns biochemistry pool 6 supplementing as activated sludge by the first sludge pump 71, unnecessary mud carries to sludge-tank 9, the supernatant after precipitation flows into the second sedimentation tank 8 from upper end outlet and precipitates again, mud is carried to sludge-tank 9 by sludge pump, the supernatant i.e. process after clear water major part reuse, redundance qualified discharge；Mud in sludge-tank 9 utilizes filter press to be pressed into mud cake outward transport landfill disposal after the 3rd blender 92 dosing.This utility model uses air supporting method mud-water separation efficiency and disintegrate-quality to be significantly larger than the sedimentation method, mud or suspension content in flotation tank water outlet are significantly less than the content in sedimentation tank water outlet, therefore and before sewage discharge, flotation tank is set before biochemistry pool, when not only can reduce waste water entrance biochemistry pool, invalid mud brings into, alleviate the pollutional load of biochemistry pool water inlet, improve the biochemical treatment efficiency of biochemistry pool, and can effectively reduce the suspension content of terminal water outlet, improve the unit sewage treatment capacity of system；Simultaneously because flotation tank simple in construction, invest little, take up an area little, for the paper mill of place shortage, both can save the area, and save again investment.
Claims (9)
1. a papermaking sewage treatment system, it is characterized in that it includes collecting-tank (1), regulating reservoir (3), reaction tank (4), flotation tank (5), biochemistry pool (6), the first sedimentation tank (7), the second sedimentation tank (8), sludge-tank (9), filter press (11) and connects pipeline
Waste water inlet is connected with collecting-tank (1)；nullOblique net (2) it is provided with between collecting-tank (1) and regulating reservoir (3)，The outlet at bottom of regulating reservoir (3) is connected with the import at reaction tank (4) top through the first sewage pump (31) and blender，Reaction tank (4) upper outlet is connected with the import of flotation tank (5)，Flotation tank (5) top is provided with sewage draining exit，Bottom is provided with liquid outlet，The top sewage draining exit of flotation tank (5) is connected with sludge-tank (9) through mud-scraping apparatus，The bottom liquid outlet of flotation tank (5) is connected with biochemistry pool (6) bottom through the second sewage pump (51)，The outlet of biochemistry pool (6) is connected with the first sedimentation tank (7)，The upper outlet of the first sedimentation tank (7) is connected with the second sedimentation tank (8)，The top of the second sedimentation tank (8) is provided with liquid outlet，Bottom is provided with sewage draining exit，The sewage draining exit of the second sedimentation tank (8) is connected with sludge-tank (9) through mud-scraping apparatus，The outlet of sludge-tank (9) is connected with filter press (11).
A kind of papermaking sewage treatment system the most according to claim 1, it is characterized in that, described biochemistry pool (6) interior level is provided with an aerated conduit, the aerobic section being arranged above biochemistry pool (6) of aerated conduit, and lower section is the anaerobism section of biochemistry pool (6).
A kind of papermaking sewage treatment system the most according to claim 1, it is characterised in that described oblique net (2) is arranged on the side, top of regulating reservoir (3) by cross beam support；Tiltedly the tilt outlet of net (2) is provided with fiber recovery pond (10) near the side of regulating reservoir (3).
A kind of papermaking sewage treatment system the most according to claim 1, it is characterised in that described reaction tank (4) is positioned at the top of flotation tank (5), the water inlet end of flotation tank (5) is provided with molten gas release device.
A kind of papermaking sewage treatment system the most according to claim 1, it is characterized in that, the outlet of described biochemistry pool (6), the liquid outlet of the first sedimentation tank (7) and the second sedimentation tank (8) liquid outlet are arranged for gravity flow low by height.
A kind of papermaking sewage treatment system the most according to claim 2, it is characterised in that the aerated conduit of described biochemistry pool (6) is arranged on cell body 1/4 equal-height position, and aerated conduit is connected with compressed air hose (12).
A kind of papermaking sewage treatment system the most according to claim 1, it is characterized in that, the bottom of described first sedimentation tank (7) is provided with sewage draining exit, sewage draining exit is through the first sludge pump (71) and three-way valve, on the one hand it is back to biochemistry pool (6), is on the other hand connected with sludge-tank (9).
A kind of papermaking sewage treatment system the most according to claim 1, it is characterized in that, described blender has two, it is respectively the first blender (32) and the second blender (33), the first blender (32) and the second blender (33) is equipped with medicament and adds mouth.
A kind of papermaking sewage treatment system the most according to claim 1, it is characterized in that, the outlet of described sludge-tank (9) is additionally provided with the 3rd blender (92) on the connecting line of filter press (11), and the 3rd blender (92) is provided with medicament and adds mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620319002.1U CN205501073U (en) | 2016-04-18 | 2016-04-18 | Papermaking wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620319002.1U CN205501073U (en) | 2016-04-18 | 2016-04-18 | Papermaking wastewater treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN205501073U true CN205501073U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620319002.1U Active CN205501073U (en) | 2016-04-18 | 2016-04-18 | Papermaking wastewater treatment system |
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| Country | Link |
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| CN (1) | CN205501073U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089771A (en) * | 2017-05-28 | 2017-08-25 | 王媛 | Paper-making effluent treating process |
| CN111481991A (en) * | 2020-05-07 | 2020-08-04 | 孙素晶 | Intelligent filtering and recycling device for building wastewater and sewage |
| CN112794604A (en) * | 2021-01-19 | 2021-05-14 | 上海秦望环保材料有限公司 | Sludge treatment device with high solid recovery |
| CN115304207A (en) * | 2021-05-06 | 2022-11-08 | 河北邯钢冷轧薄板有限公司 | Biochemical pond constant temperature system of sewage treatment system |
-
2016
- 2016-04-18 CN CN201620319002.1U patent/CN205501073U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089771A (en) * | 2017-05-28 | 2017-08-25 | 王媛 | Paper-making effluent treating process |
| CN111481991A (en) * | 2020-05-07 | 2020-08-04 | 孙素晶 | Intelligent filtering and recycling device for building wastewater and sewage |
| CN111481991B (en) * | 2020-05-07 | 2022-12-16 | 广东德茂建设工程有限公司 | Intelligent filtering and recycling device for building wastewater and sewage |
| CN112794604A (en) * | 2021-01-19 | 2021-05-14 | 上海秦望环保材料有限公司 | Sludge treatment device with high solid recovery |
| CN115304207A (en) * | 2021-05-06 | 2022-11-08 | 河北邯钢冷轧薄板有限公司 | Biochemical pond constant temperature system of sewage treatment system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Six industrial park, 344400 Li County, Jiangxi, Fuzhou, Yihuang Patentee after: Jiangxi Jie Mei electronic information materials Co., Ltd. Address before: Six industrial park, 344400 Li County, Jiangxi, Fuzhou, Yihuang Patentee before: JIANGXI HONGTAI ELECTRONIC INFORMATION MATERIAL CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |