CN210945141U - Underground multi-effect high-density clarification equipment - Google Patents

Underground multi-effect high-density clarification equipment Download PDF

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Publication number
CN210945141U
CN210945141U CN201921902495.1U CN201921902495U CN210945141U CN 210945141 U CN210945141 U CN 210945141U CN 201921902495 U CN201921902495 U CN 201921902495U CN 210945141 U CN210945141 U CN 210945141U
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tank
reaction tank
mud
flocculation
sedimentation tank
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CN201921902495.1U
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李海龙
孔令岩
李斌
李伟
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Shanxi Lyujie Environmental Protection Co ltd
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Shanxi Lyujie Environmental Protection Co ltd
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Abstract

The utility model discloses a multi-effect high-density clarification device under the well, belonging to the technical field of industrial wastewater treatment; aiming at improving the clarification effect of industrial wastewater; the device comprises a medium reaction tank, a flocculation reaction tank and a sedimentation tank which are sequentially communicated, wherein a flocculation stirrer is arranged in the flocculation reaction tank, a guide cylinder is arranged at the lower part of the flocculation stirrer, a baffle is arranged at the lower part of the guide cylinder, the upper part of the baffle is communicated with a guide sloping plate at the inlet of the sedimentation tank, a clear water tank is arranged above the guide sloping plate, a mud scraper is arranged in the sedimentation tank, a mud collection pit is arranged at the bottom of the sedimentation tank, and the mud collection pit is connected to the flocculation reaction tank through a; the sedimentation tank passes through the medium separation, recycles the magnetic, and reduce cost utilizes mud circulation and inclined plate sedimentation, is higher than traditional high-efficient sedimentation tank greatly, and the mud that produces contains the solid rate height, and the floc that forms is great, effectively reduces the pollutant in aquatic, and it is more secure to go out water.

Description

Underground multi-effect high-density clarification equipment
Technical Field
The utility model belongs to the technical field of industrial waste water treatment, concretely relates to multiple-effect high density clarification equipment in pit.
Background
The industrial wastewater with high salt content is usually washing wastewater, process system condensate water, chemical water station drainage, circulating water drainage and the like generated in the production processes of the industries such as coal chemical industry, petrochemical industry and the like, and because the production processes adopted by enterprises are different, the selected coal has different coal quality, and other types of wastewater are continuously mixed in the subsequent discharge process, the finally-treated wastewater has the characteristics of large water quantity, complex components, high pollutant concentration, high hardness, high alkalinity, large integral water quality fluctuation and the like.
The existing water purifying devices for removing suspended matters in water are many, but most of the existing water purifying devices have poor flocculation and sludge precipitation effects and poor treatment effects.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides a multiple-effect high density clarification equipment in pit, and aim at improves industrial waste water clarification effect.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A multi-effect high-density clarification device in a well comprises a medium reaction tank, a flocculation reaction tank and a sedimentation tank which are sequentially communicated, wherein a coagulation stirrer is arranged in the medium reaction tank, and a coagulant adding port is arranged at the upper part of the medium reaction tank; the bottom and the flocculation reaction bottom of medium reaction tank communicate, be provided with the flocculation mixer in the flocculation reaction tank, flocculation reaction tank upper portion is provided with flocculating agent dosing mouth, the flocculation mixer lower part is provided with the draft tube, draft tube lower part exit is provided with the baffle, the baffle top is linked together with the sedimentation tank entry, the sedimentation tank entry is provided with a plurality of water conservancy diversion swash plates, and water conservancy diversion swash plate top is provided with clarified basin, and clarified basin is connected with out the ditch, be provided with the mud scraper in the sedimentation tank the bottom of sedimentation tank is provided with the mud hole that gathers of infundibulate, it is connected with the mud back flow to gather the mud hole, the mud back flow is connected to the flocculation reaction tank, be provided with the mud backwash pump on the mud back flow.
Further, the mud scraper is a grid type mud scraper.
Further, the sludge collecting pit is connected with a sludge discharge pipe, and the sludge discharge pipe is connected to a sludge treatment system.
Furthermore, the inclination angle of the flow guide sloping plate is 60-75 degrees.
The coagulant is used in the medium reaction tank, magnetic powder is added into raw water and is rapidly mixed with suspended matters in sewage under the action of a coagulation stirrer, negative charges on the surfaces of particles are neutralized to destabilize the particles, small flocs are formed and then enter the flocculation tank. Meanwhile, phosphorus in the raw water reacts with a coagulant to form phosphate so as to achieve the purpose of chemical phosphorus removal.
The flocculating reaction tank is internally provided with a flocculating agent for promoting the entering small flocs to form larger flocs through adsorption, electrical neutralization and mutual bridging, and the action of the slow stirrer not only enables the medicament and the flocs to be fully mixed, but also does not damage the formed large flocs.
And the flocculated effluent enters the bottom of an inclined plate of the sedimentation tank and then flows upwards to an upper clear water tank, and particles and flocs are precipitated on the surface of the inclined plate and slide downwards under the action of gravity. The higher ascending flow rate and the inclination of the inclined plate at 60-75 degrees can form a continuous self-scraping process, so that the flocs cannot be accumulated on the inclined plate.
The settled sludge slides down along the inclined plate and then falls to the bottom of the tank, and the sludge is concentrated at the bottom of the tank. The grid bars on the mud scraper can improve the sludge concentration effect, and the mud scraper rotating at a low speed continuously scrapes the sludge into the central mud collecting pit. The thickened sludge is controlled according to a certain set program or by a sludge level meter to reach an optimal sludge concentration and then is discharged to a sludge treatment system intermittently. The settled clarified water is collected and discharged by stainless steel water collecting tanks distributed at the top of the inclined plate sedimentation tank and enters the subsequent process.
The sludge in the sedimentation tank is scraped to a sludge bucket at the bottom of the tank, and the sludge is circularly extracted from the sludge bucket by a sludge pump and flows back to the flocculation reaction tank. The mud in the sedimentation tank has certain coagulation property, and the backward flow of mud has increased the suspended solid of sewage, forms the sludge blanket of a flocculating constituent to a certain extent, and backward flow mud granule can increase the settling velocity of flocculating constituent, and the flocculation adsorption of biological flocculating constituent can the rate of removal of the improvement pollutant of great degree simultaneously in the mud, plays the primary treatment effect, also can avoid excessively throwing the medicament simultaneously.
The utility model discloses produced beneficial effect does for prior art.
1. The recovery rate of magnetic powder is high: the sedimentation tank recovers and reuses the magnetic powder through medium separation, and the cost is reduced.
2. The surface load is high: the sludge circulation and the inclined plate sedimentation are utilized, which is greatly higher than that of the traditional high-efficiency sedimentation tank.
3. The sludge concentration is high: the solid content of the sludge generated by the integrated clarification equipment is high, and a sludge concentration tank is not required to be arranged.
4. The effluent quality is good: due to the unique process design of the integrated clarification equipment, the formed flocs are large, so that colloidal substances can be intercepted more, pollutants in water can be effectively reduced, and the water outlet is guaranteed more.
Drawings
Fig. 1 is a schematic structural view of the clarification device of the present invention.
Wherein, 1 is the medium reaction tank, 2 is the flocculation reaction tank, 3 is the sedimentation tank, 4 is the coagulating mixer, 5 is coagulant dosing mouth, 6 is the flocculating mixer, 7 is flocculating agent dosing mouth, 8 is the draft tube, 9 is the baffle, 10 is the water conservancy diversion swash plate, 11 is the clarified water tank, 12 is the ditch, 13 is the mud scraper, 14 is the mud pit that collects, 15 is the mud back flow, 16 is the mud backwash pump, 17 is the mud delivery pipe.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the underground multi-effect high-density clarification device comprises a medium reaction tank 1, a flocculation reaction tank 2 and a sedimentation tank 3 which are sequentially communicated, wherein a coagulation mixer 4 is arranged in the medium reaction tank 1, and a coagulant adding port 5 is arranged at the upper part of the medium reaction tank 1; the bottom of medium reaction tank 1 is linked together with flocculation reaction tank 2 bottoms, be provided with flocculation mixer 6 in the flocculation reaction tank 2, 2 upper portions in flocculation reaction tank are provided with flocculating agent dosing mouth 7, flocculation mixer 6 lower part is provided with draft tube 8, 8 lower part exits of draft tube are provided with baffle 9, baffle 9 top is linked together with 3 entries in sedimentation tank, 3 entries in sedimentation tank are provided with a plurality of inclination and are 60 water conservancy diversion swash plates 10, water conservancy diversion swash plate 10 top is provided with clarified basin 11, clarified basin 11 is connected with outlet canal 12, be provided with the mud scraper 13 of grid type in the sedimentation tank 3, be provided with the collection mud pit 14 of infundibulate in the bottom of sedimentation tank 3, collection mud pit 14 is connected with mud back flow 15, mud back flow 15 is connected to flocculation reaction tank 2, be provided with mud reflux pump 16 on the mud back flow 15. The sludge collecting pit 14 is also connected with a sludge discharge pipe 17, and the sludge discharge pipe 17 is connected to a sludge treatment system.
Coagulant and magnetic powder are added into raw water in a medium reaction tank 1, the coagulant and the magnetic powder are quickly mixed with suspended matters in sewage under the action of a coagulation stirrer 4, negative charges on the surfaces of particles are neutralized to destabilize the particles, small flocs are formed, and then the particles enter a flocculation tank. Meanwhile, phosphorus in the raw water reacts with a coagulant to form phosphate so as to achieve the purpose of chemical phosphorus removal.
The flocculating agent is used in the flocculation reaction tank 2 to promote the entering small flocs to form larger flocs through adsorption, electrical neutralization and mutual bridging, and the action of the slow stirrer not only enables the medicament and the flocs to be fully mixed, but also does not damage the formed large flocs.
And the flocculated effluent enters the sedimentation tank 3, enters the guide shell 8 at the center, flows downwards in the guide shell 8, contacts the baffle 9, flows upwards, and enters the guide sloping plate 10 through buffer pressing. Then flows upwards to an upper clear water tank 11, and particles and flocs are settled on the surface of the diversion inclined plate 10 and slide downwards under the action of gravity. The high upward flow velocity and the inclination of the inclined plate at 60 degrees can form a continuous self-scraping process, so that flocs cannot be accumulated on the flow guide inclined plate 10.
The settled sludge slides down along the inclined plate and then falls to the bottom of the settling tank 3, and the sludge is concentrated at the bottom of the tank. The bars on the scrapers 13 can improve the sludge thickening effect, and the scrapers 13 rotating at a slow speed continuously scrape the sludge into the central sludge collecting pit 14. The thickened sludge is controlled according to a certain set program or by a sludge level meter to reach an optimal sludge concentration and then is discharged to a sludge treatment system intermittently. The settled clarified water is collected and discharged by stainless steel water collecting tanks distributed at the top of the inclined plate sedimentation tank and enters the subsequent process.
The sludge settled in the sedimentation tank 3 is scraped into a sludge bucket at the bottom of the tank, and the sludge is circularly pumped from a sludge collection pit 14 by a sludge reflux pump 16 and flows back to the flocculation reaction tank 2. The mud in the sedimentation tank 3 has certain coagulation performance, and the backward flow of mud has increased the suspended solid of sewage, forms the sludge blanket of a flocculating constituent to a certain extent, and backward flow mud granule can increase the settling velocity of flocculating constituent, and the flocculation adsorption of biological flocculating constituent can the rate of removal of the improvement pollutant of great degree simultaneously in the mud, plays the primary treatment effect, also can avoid excessively throwing the medicament simultaneously.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.

Claims (4)

1. The underground multi-effect high-density clarification device is characterized by comprising a medium reaction tank (1), a flocculation reaction tank (2) and a sedimentation tank (3) which are sequentially communicated, wherein a coagulation mixer (4) is arranged in the medium reaction tank (1), and a coagulant adding port (5) is arranged at the upper part of the medium reaction tank (1); the bottom of the medium reaction tank (1) is communicated with the bottom of the flocculation reaction tank (2), a flocculation stirrer (6) is arranged in the flocculation reaction tank (2), a flocculating agent dosing port (7) is arranged at the upper part of the flocculation reaction tank (2), a guide cylinder (8) is arranged at the lower part of the flocculation stirrer (6), a baffle (9) is arranged at the outlet of the lower part of the guide cylinder (8), the upper part of the baffle (9) is communicated with the inlet of the sedimentation tank (3), a plurality of guide inclined plates (10) are arranged at the inlet of the sedimentation tank (3), a clear water tank (11) is arranged above the guide inclined plates (10), the clear water tank (11) is connected with a water outlet channel (12), a mud scraper (13) is arranged in the sedimentation tank (3), a funnel-shaped mud collection pit (14) is arranged at the bottom of the sedimentation tank (3), and the mud collection pit (14) is connected with, the sludge return pipe (15) is connected to the flocculation reaction tank (2), and a sludge return pump (16) is arranged on the sludge return pipe (15).
2. A multi-effect high density clarification plant in a well according to claim 1 characterized in that the mud scraper (13) is a grid type mud scraper.
3. A multi-effect high density clarification plant downhole according to claim 1, wherein the sludge collection pit (14) is connected with a sludge discharge pipe (17), the sludge discharge pipe (17) being connected to a sludge treatment system.
4. The multi-effect high-density clarification plant in the pit according to claim 1, characterized in that the inclination angle of the inclined diversion plate (10) is 60-75 °.
CN201921902495.1U 2019-11-06 2019-11-06 Underground multi-effect high-density clarification equipment Active CN210945141U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921902495.1U CN210945141U (en) 2019-11-06 2019-11-06 Underground multi-effect high-density clarification equipment

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Application Number Priority Date Filing Date Title
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Publications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111792763A (en) * 2020-08-19 2020-10-20 国投信开水环境投资有限公司 High turbidity water treatment device and sewage treatment system
CN114130069A (en) * 2021-12-27 2022-03-04 鄂尔多斯市君正能源化工有限公司 Lime softening density sedimentation tank for reclaimed water station
CN114163018A (en) * 2021-11-29 2022-03-11 西安西热水务环保有限公司 Coagulation and clarification integrated system and method suitable for dense medium flocculation
CN117164079A (en) * 2023-09-15 2023-12-05 中国五冶集团有限公司 Sewage treatment dosing control system
CN120097578A (en) * 2025-04-16 2025-06-06 合肥三番水处理设备有限公司 A circulating sewage treatment pool

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111792763A (en) * 2020-08-19 2020-10-20 国投信开水环境投资有限公司 High turbidity water treatment device and sewage treatment system
CN114163018A (en) * 2021-11-29 2022-03-11 西安西热水务环保有限公司 Coagulation and clarification integrated system and method suitable for dense medium flocculation
CN114163018B (en) * 2021-11-29 2023-05-12 西安西热水务环保有限公司 Coagulation and clarification integrated system and method suitable for dense medium flocculation
CN114130069A (en) * 2021-12-27 2022-03-04 鄂尔多斯市君正能源化工有限公司 Lime softening density sedimentation tank for reclaimed water station
CN114130069B (en) * 2021-12-27 2024-07-16 鄂尔多斯市君正能源化工有限公司 Lime softening density sedimentation tank for reclaimed water station
CN117164079A (en) * 2023-09-15 2023-12-05 中国五冶集团有限公司 Sewage treatment dosing control system
CN120097578A (en) * 2025-04-16 2025-06-06 合肥三番水处理设备有限公司 A circulating sewage treatment pool

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A downhole multi effect high-density clarification equipment

Granted publication date: 20200707

Pledgee: Postal Savings Bank of China Co.,Ltd. Jincheng Branch

Pledgor: SHANXI LYUJIE ENVIRONMENTAL PROTECTION CO.,LTD.

Registration number: Y2024980003445