CN113354165A - Sewage treatment device and sewage treatment method - Google Patents

Sewage treatment device and sewage treatment method Download PDF

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Publication number
CN113354165A
CN113354165A CN202110648307.2A CN202110648307A CN113354165A CN 113354165 A CN113354165 A CN 113354165A CN 202110648307 A CN202110648307 A CN 202110648307A CN 113354165 A CN113354165 A CN 113354165A
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Prior art keywords
tank
flow
water
plate
sewage treatment
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CN202110648307.2A
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Chinese (zh)
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CN113354165B (en
Inventor
任应刚
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Shenzhen Shijiqingyuan Environmental Technology Co ltd
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Shenzhen Shijiqingyuan Environmental Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/20Prevention of biofouling

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The utility model provides a sewage treatment device, includes flocculation basin, flocculus collecting pit, and wherein, the flocculation basin is connected with the pump, is equipped with between flocculation basin and the flocculus collecting pit and trickles and flows the board, still includes the clear pond of flowing, the clear pond of flowing is located and is trickled a board below, is equipped with the overflow mouth between flocculus collecting pit and the clear pond of flowing, trickles the lower edge of flowing the board and locates overflow mouth department. The invention also provides a sewage treatment method. The sewage treatment device with the structure has the advantages of compact structure, reasonable configuration, land occupation saving, high sewage treatment efficiency, good effect and cost saving.

Description

Sewage treatment device and sewage treatment method
Technical Field
The invention relates to the field of sewage treatment, in particular to a device and a method for treating car washing sewage.
Background
Sewage discharge is environmental pollution's main source, in urban construction, sewage discharge is the key of renovation, discharge again after the innocent treatment through sewage centralized treatment, who discharges who administers, so to the blowdown enterprise, it is also a big operation cost to treat dirty, and the sewage of carwash, hardly realize at present concentrating through the pipeline is unified to accomodate, centralized treatment, the carwash is generally handled by oneself, the effluent water sump needs to be built, sewage treatment plant includes sedimentation tank etc., still need static a period of time after the flocculating agent effect, this kind of device and processing method not only area occupied, sewage treatment time is also very long, efficiency is not high, be unfavorable for popularizing and applying.
Disclosure of Invention
The invention provides a sewage treatment device with small occupied area, high treatment speed and high efficiency in order to overcome the defects.
The sewage treatment device comprises a flocculation tank and a flocculent collecting tank, wherein the flocculation tank is connected with a pump, a flow flowing plate is arranged between the flocculation tank and the flocculent collecting tank, the sewage treatment device also comprises a flow cleaning tank, the flow cleaning tank is arranged below the flow flowing plate, an overflow port is arranged between the flocculent collecting tank and the flow cleaning tank, and the lower edge of the flow flowing plate is arranged at the overflow port.
Preferably, the flocculation tank comprises a mixing tank and a steady flow tank, the pump is connected with the mixing tank, and a water opening is formed in the middle lower portion between the mixing tank and the steady flow tank.
Preferably, the upper part of the steady flow tank is provided with an overflow weir, the overflow weir comprises a zigzag weir plate, one end of the flow flowing plate is connected with the lower part of the weir plate, and the inclination angle of the flow flowing plate is 15-60 degrees.
Preferably, the height of the overflow port is 5-8cm, and the lower edge of the flow flowing plate is arranged in the middle of the overflow port and is 1-2cm away from the plane where the overflow port is located.
Preferably, the clear flow tank also comprises a filter plate, and the pore size of the filter plate is between 30 and 200 meshes.
Preferably, the clear flow pond is provided with a water outlet, and the floccule collecting tank is provided with a drain outlet.
Still provide another kind of sewage treatment plant, including flocculation basin, flocculus collecting pit, wherein, the flocculation basin is connected with the pump, is equipped with between flocculation basin and the flocculus collecting pit and trickles the board, still includes the clear pond of flowing, the clear pond of flowing is located and is trickled a board below, is equipped with a filter on the clear pond of flowing, still includes the photocatalysis pond, wherein the flocculation basin is L shape, and the centre is equipped with the baffle and communicates in the middle of the bottom, and the high level of one side wherein is located to the water inlet, and the overflow mouth is located the high level of opposite side and is connected with the flocculus collecting pit through trickling the board, and the delivery port and the photocatalysis pond of the clear pond of flowing are connected, the breach portion of L shape flocculation basin is located to the photocatalysis pond, separates into the cavity that a plurality of bottom or top are connected in the photocatalysis pond, is equipped with the ultraviolet fluorescent lamp in the cavity, and the photocatalysis pond is equipped with the delivery port, and the flocculus collecting pit is equipped with the drain.
The invention also provides a sewage treatment method, which comprises a sewage treatment device which comprises a pump, a mixing tank, a steady flow tank, a clear flow tank and a floccule collecting tank which are connected in sequence, wherein the clear flow tank is also connected with a photocatalytic tank, a water through hole is formed in the middle lower part between the mixing tank and the steady flow tank, an overflow weir is arranged at the upper part of the steady flow tank, the overflow weir comprises a zigzag weir plate, an overflow hole is formed between the floccule collecting tank and the clear flow tank, a flow plate is arranged at the upper part of the clear flow tank, the upper end of the flow plate is connected to the lower part of the weir plate, the lower end of the flow plate is arranged at the overflow hole, the clear flow tank and the photocatalytic tank are both provided with water outlets, and the floccule collecting tank is provided with a sewage discharge outlet;
mixing the sewage to be treated with a flocculating agent and simultaneously conveying the sewage to a mixing tank through a pump for full mixing flocculation reaction;
the mixed sewage is filled in the mixing tank and the steady flow tank, the coagulation reaction time is controlled to be 15-20 minutes, and water is continuously supplied;
after the flow stabilization tank is filled with water, the water is guided out through the weir plate, flows through the flow plate and is injected into the floccule collection tank;
after the floccule collecting pool is filled with water, the water overflows into the clear water pool through an overflow port, and is filtered by a filter plate to form clear water, and the clear water is subjected to photocatalytic oxidation on soluble organic pollutants in the sewage in the photocatalytic pool to eliminate and kill bacteria, germs and the like and then is discharged for recycling.
Preferably, the height of the overflow port is 5-8cm, the lower edge of the flow plate is arranged in the middle of the overflow port and is 1-2cm away from the plane where the overflow port is located, and the inclination angle of the flow plate is 15-60 degrees.
Preferably, the clear flow tank also comprises a filter plate, and the pore size of the filter plate is between 30 and 200 meshes.
The sewage treatment device with the structure has the advantages of compact structure, reasonable configuration, land occupation saving, high sewage treatment efficiency, good effect and cost saving.
Drawings
FIG. 1 is a schematic view of a sewage treatment apparatus according to example 1.
FIG. 2 is a schematic view of the structure of a clear flow tank in example 1.
FIG. 3 is a schematic view of a sewage treatment apparatus according to example 2.
FIG. 4 is an exploded view of the sewage treatment apparatus according to example 2.
FIG. 5 is a front view of a sewage treatment apparatus according to embodiment 2.
FIG. 6 is a plan view of a sewage treatment apparatus according to example 2.
FIG. 7 is a right side view of the sewage treatment apparatus of the embodiment 2.
Detailed Description
The invention will now be further illustrated by way of example with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, the device is a pump (not shown), a flocculation tank 10, a clear flow tank 20 and a floccule collection tank 30 which are connected in sequence, wherein the flocculation tank 10 is composed of a mixing tank 11 and a steady flow tank 12, a water through opening 13 is arranged at the middle lower part between the mixing tank 11 and the steady flow tank 12, an overflow weir is arranged at the upper part of the steady flow tank 12, the overflow weir comprises a serrated weir plate 14, an overflow opening 31 is arranged between the floccule collection tank 30 and the clear flow tank 20, a flow flowing plate 40 is arranged at the upper part of the clear flow tank 20, the upper end of the flow flowing plate 40 is connected to the lower part of the weir plate 14, the lower end of the flow flowing plate is arranged at the overflow opening 31, the clear flow tank 20 is provided with a water outlet 21, and the floccule collection tank 30 is provided with a drain outlet 32; the inclination angle of the flow flowing plate 40 is preferably 15-60 degrees, and in the embodiment, the inclination angle is 45 degrees; the height of the overflow port 31 is between 5 and 8cm, and the lower edge of the trickling plate 40 is arranged in the middle of the overflow port 31 and is 1 to 2cm away from the plane where the overflow port is located; the clean flow tank 20 also comprises a filter plate 22, and the aperture of the filter plate 22 is between 30 and 200 meshes.
When sewage is treated, the sewage to be treated is mixed with a flocculating agent in proportion and is fully mixed by a pump under the stirring of an impeller, and the mixture is conveyed into a mixing tank 11 through a water inlet 15 for full mixing flocculation reaction, at the moment, the time for filling the mixing tank 11 and a steady flow tank 12 with the mixed sewage is controlled to be 15-20 minutes, and water is continuously supplied, so that pollutants in the sewage can be fully flocculated and settled in the mixing tank 11 and the steady flow tank 12; the steady flow tank 12 is filled with water, guided out by the weir plate 14, flowed through the flow flowing plate 40 and injected into the floc collecting tank 30, which contains a small amount of flocs, the water in the floc collecting tank 30 overflows into the clear flow tank 20 through the overflow port 31 after being filled with water, and is filtered by the filter plate 22 to be clear water, occasionally flocs in the floc collecting tank 30 float to the overflow port 31 and are also washed away by the water flowing down by the flow flowing plate 40, so that the flocs are injected into the clear flow tank 20 through the overflow port 31 to be basically clear water, furthermore, the filter plate 22 in the clear flow tank 20 can play a final role of blocking, the water in the clear flow tank is ensured to be clear water, the aperture of the filter plate 22 is preferably between 30 and 200 meshes, in the embodiment, the 30-mesh filter plate is selected, when a certain amount of the flocs in the flocculation tank is deposited, the flocculation tank 10 can be cleaned, at this time, the flocs in the collecting tank 30 can be discharged through the drain port 32 after accumulating a certain amount, the water can be recirculated and the filter plates 22 in the clean basin 2 cleaned as the case may be, and cleaned or replaced if they become too clogged.
The present embodiment has a simple structure, is suitable for general sewage treatment, especially car washing water treatment, and can be integrated into a sewage treatment device as the following embodiments by adding a photocatalysis function.
Example 2
As shown in fig. 3 to 7, the flocculation tank of this embodiment is L-shaped, the middle of the flocculation tank is provided with a partition 16 and the bottom of the flocculation tank is communicated with the middle of the flocculation tank, a through hole 17 is formed in the middle of the flocculation tank, the flocculation tank is divided into a mixing tank 11 and a steady flow tank 12, a water inlet 15 of the mixing tank 11 is arranged at a high position, the steady flow tank 12 is arranged at the other side, the high position is an overflow weir, sewage to be treated and a flocculant are mixed according to a certain proportion and are fully mixed by a pump under impeller stirring, the sewage enters from the water inlet 15 and then flows downwards to the steady flow tank 12, the water level is slowly lifted to the overflow weir, a flow flowing plate 40 is arranged at the overflow weir and is connected with a floccule collecting tank 30, a clear flow tank 20 is arranged below the flow flowing plate 40, a sewage outlet 32 of the floccule collecting tank 30 and other water outlets are arranged at the same side, as that the floccule collecting tank 30 extends to one side of the mixing tank 11, an inclined plate 33 is arranged in the floccule collecting tank 30 and a water outlet 21 of the clear flow tank 20 is connected with a photocatalytic tank 50, the photocatalytic tank 50 is arranged at the gap part of the L-shaped flocculation tank, the photocatalytic tank 50 is divided into a plurality of chambers with connected bottoms or tops, in the embodiment, the photocatalytic tank 50 is divided into four chambers, the water inlet 51 of the photocatalytic tank 50, namely the effluent 21 of the flow cleaning tank 20, is arranged at the bottom of the first chamber 52 of the photocatalytic tank 50, the water overflows to the second chamber 53 from the upper part after being filled with the water, the second chamber 53 is communicated with the third chamber 54 at the bottom 57, the third chamber 54 is communicated with the fourth chamber 55 at the upper part, each chamber is provided with an ultraviolet light tube (not shown in the figure), the clear water is subjected to photocatalytic oxidation reaction and sterilization under the action of ultraviolet light when passing through each chamber, all indexes of the discharged water of the water outlet 56 can reach the standard and can be continuously recycled as the car washing water, in the embodiment, the filter plate 22 and the flow plate 40 can be designed in a modularized mode, the inclination angle is the same, and the filtering effect of the filter plate 22 can be improved, the filter plate 22 has a 200 mesh pore size.
The invention has simple structure, smooth sewage treatment process, high efficiency and land saving. While the invention has been shown and described with reference to the above embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a sewage treatment device, its characterized in that, includes flocculation basin, flocculus collecting pit, and wherein, the flocculation basin is connected with the pump, is equipped with between flocculation basin and the flocculus collecting pit and trickles the board, still includes the pond of trickling, the board below is located trickling in the pond of trickling, is equipped with the overflow mouth between flocculus collecting pit and the pond of trickling, trickles the lower edge of board and locates overflow mouth department.
2. The sewage treatment device of claim 1, wherein the flocculation tank comprises a mixing tank and a steady flow tank, the pump is connected with the mixing tank, and a water through port is arranged at the middle-lower part between the mixing tank and the steady flow tank.
3. The sewage treatment device of claim 2, wherein the steady flow tank is provided with an overflow weir at the upper part, the overflow weir comprises a serrated weir plate, one end of the flow plate is connected with the lower part of the weir plate, and the inclination angle of the flow plate is between 15 and 60 degrees.
4. The sewage treatment device according to claim 3, wherein the height of the overflow port is 5-8cm, and the lower edge of the trickling plate is arranged in the middle of the overflow port and is 1-2cm away from the plane of the overflow port.
5. The wastewater treatment apparatus according to any of claims 1 to 4, wherein said clean water tank further comprises a filter plate, and the pore size of said filter plate is between 30-200 mesh.
6. The wastewater treatment device according to claim 5, wherein the clear water tank is provided with a water outlet, and the flocculent collection tank is provided with a sewage outlet.
7. The utility model provides a sewage treatment device, a serial communication port, including flocculation basin, flocculus collecting pit, wherein, the flocculation basin is connected with the pump, is equipped with between flocculation basin and the flocculus collecting pit and trickles the board, still includes the pond of trickling, the pond of trickling is located and is trickled the board below, is equipped with a filter on the pond of trickling, still includes the photocatalysis pond, wherein the flocculation basin is L shape, and the centre is equipped with the baffle and communicates in the middle of the bottom, and the high level of one side wherein is located to the water inlet, and the overflow mouth is located the high level of opposite side and is connected with the flocculus collecting pit through trickling the board, and the delivery port and the photocatalysis pond of the pond of trickling are connected, the breach portion of L shape flocculation basin is located to the photocatalysis pond, separates into the cavity that a plurality of bottom or top are connected in the photocatalysis pond, is equipped with the ultraviolet fluorescent lamp in the cavity, and the photocatalysis pond.
8. A sewage treatment method is characterized by comprising a sewage treatment device which comprises a pump, a mixing tank, a steady flow tank, a clear flow tank and a floccule collecting tank which are sequentially connected, wherein the clear flow tank is also connected with a photocatalytic tank, a water through hole is formed in the middle lower part between the mixing tank and the steady flow tank, an overflow weir is arranged at the upper part of the steady flow tank, the overflow weir comprises a serrated weir plate, an overflow hole is formed between the floccule collecting tank and the clear flow tank, a flow flowing plate is arranged at the upper part of the clear flow tank, the upper end of the flow flowing plate is connected to the lower part of the weir plate, the lower end of the flow flowing plate is arranged at the overflow hole, and the clear flow tank and the photocatalytic tank are provided with water outlets; the floccule collecting tank is provided with a sewage outlet;
mixing the sewage to be treated with a flocculating agent, fully mixing and conveying the sewage to be treated and the flocculating agent to a mixing tank through a pump under the stirring of an impeller, and fully mixing and flocculating to react;
the coagulation reaction time of the mixed sewage filled in the mixing tank and the steady flow tank is controlled to be 15-20 minutes, so that the flocculation reaction is effectively completed and water is continuously supplied;
after the flow stabilization tank is filled with water, the water is guided out through the weir plate, flows through the flow plate and is injected into the floccule collection tank;
after the floccule collecting tank is filled with water, the water overflows into the clear water tank through an overflow port, and is filtered by a filter plate to form clear water,
the clean water is discharged for reuse after being photocatalytically oxidized by soluble organic pollutants in the sewage, and bacteria and germs are eliminated and killed.
9. The sewage treatment method of claim 8, wherein the height of the overflow port is 5-8cm, the lower edge of the flow plate is arranged in the middle of the overflow port and is 1-2cm away from the plane of the overflow port, and the inclination angle of the flow plate is 15-60 degrees.
10. The wastewater treatment method according to claim 9, wherein said clean water tank further comprises a filter plate, and the pore size of said filter plate is between 30 and 200 meshes.
CN202110648307.2A 2021-06-10 2021-06-10 Sewage treatment device and sewage treatment method Active CN113354165B (en)

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CN202110648307.2A CN113354165B (en) 2021-06-10 2021-06-10 Sewage treatment device and sewage treatment method

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Application Number Priority Date Filing Date Title
CN202110648307.2A CN113354165B (en) 2021-06-10 2021-06-10 Sewage treatment device and sewage treatment method

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CN113354165A true CN113354165A (en) 2021-09-07
CN113354165B CN113354165B (en) 2022-11-18

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100988078B1 (en) * 2010-06-29 2010-10-20 주식회사 타 셋 System of phosphorus removal in the sewage treatment plant
CN104773868A (en) * 2015-03-27 2015-07-15 北京工业大学 Silver-loaded active carbon/titanium dioxide coupling and ultrafiltration combination apparatus, and method for controlling organic matters and pathogenic microorganisms in water
CN205347021U (en) * 2015-07-01 2016-06-29 泰兴市智光环保科技有限公司 High -efficiency sedimentation basin
CN208843847U (en) * 2018-07-17 2019-05-10 杭州合创环境工程有限公司 A kind of pigment wastewater coagulation decoloration processing system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100988078B1 (en) * 2010-06-29 2010-10-20 주식회사 타 셋 System of phosphorus removal in the sewage treatment plant
CN104773868A (en) * 2015-03-27 2015-07-15 北京工业大学 Silver-loaded active carbon/titanium dioxide coupling and ultrafiltration combination apparatus, and method for controlling organic matters and pathogenic microorganisms in water
CN205347021U (en) * 2015-07-01 2016-06-29 泰兴市智光环保科技有限公司 High -efficiency sedimentation basin
CN208843847U (en) * 2018-07-17 2019-05-10 杭州合创环境工程有限公司 A kind of pigment wastewater coagulation decoloration processing system

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Address after: Building A2, 301, Building J, No. 1 Xiawei Industrial Zone 1st Road, Zhangxi Community, Guanhu Street, Longhua District, Shenzhen City, Guangdong Province, 518110

Patentee after: Shenzhen shijiqingyuan Environmental Technology Co.,Ltd.

Address before: 518000 unit C (building a) and unit 2 (building a) on the 1st floor of haochuang plant, No. 116 Buxin Road, Xinlan community, Guanlan street, Longhua District, Shenzhen, Guangdong Province

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