CN216877987U - High-efficient integration sedimentation tank - Google Patents
High-efficient integration sedimentation tank Download PDFInfo
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- CN216877987U CN216877987U CN202220247189.4U CN202220247189U CN216877987U CN 216877987 U CN216877987 U CN 216877987U CN 202220247189 U CN202220247189 U CN 202220247189U CN 216877987 U CN216877987 U CN 216877987U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a high-efficiency integrated sedimentation tank, wherein the surface of the sedimentation tank is rectangular, a plurality of groups of parallel funnel-shaped sludge storage hoppers are arranged at the bottom of a tank body, and the sedimentation tank is also provided with a dosing device, a mixing device, a water inlet distribution device, an inclined tube sedimentation device, a water outlet collection device and a sludge discharge device; the water inlet distribution device is arranged along the long edge of one side of the rectangle of the sedimentation tank and forms a water inlet with the long edge, the water inlet distribution pipe is communicated with the water inlet main pipe, and a plurality of parallel outlets are arranged in the water distribution channel; the effluent collecting device is arranged along the long edge of the other side of the sedimentation tank opposite to the water distribution channel; the sedimentation tank integrates the functions of dosing, mixing, water distribution, sedimentation separation and sludge discharge; a multi-point water distribution system is adopted, so that water is uniformly distributed, and the tank capacity is effectively utilized; the inclined tube/inclined plate is filled, so that the separation efficiency is high; the perforated pipe is adopted for discharging the sludge, so that the sludge discharging effect is good; simple structure, high efficiency and convenient use; the mechanical equipment is less, and the reliability is high; the operation is simple, the process can be automated, and the operation and the control are easy.
Description
Technical Field
The utility model belongs to the technical field of environmental protection, particularly relates to the technical field of sewage treatment, and particularly relates to a high-efficiency integrated sedimentation tank integrating functions of dosing, mixing, water distribution, sedimentation separation and sludge discharge.
Background
At present, most of the main integrated sedimentation tanks adopt horizontal flow type or vertical flow type sedimentation tanks, and the tank types have the defects of large occupied area, difficult uniform distribution of water inlet and outlet flow, poor sludge discharge effect and the like. Along with the improvement of environmental protection standard, in order to further improve the removal efficiency of the sedimentation tank and save the occupied area, an integrated sedimentation tank which has simple structure, high sedimentation efficiency, small occupied area and convenient use is needed.
Chinese application 202021096942 discloses a high-efficiency integrated sedimentation tank. Comprises an upper clarification section and a lower sedimentation section; the clarifying section is provided with a water inlet pipe, a central flow guide pipe, an inclined pipe and a reflecting plate, the water inlet pipe penetrates through the tank wall of the clarifying section and is transversely arranged close to the top of the clarifying section, the inlet end of the water inlet pipe is connected with input raw water, the outlet end of the water inlet pipe is communicated with the central flow guide pipe, the central flow guide pipe is longitudinally arranged on the longitudinal central line of the settling tank, and the reflecting plate is fixed on the inner side of the tank wall and is positioned right below the central flow guide pipe; the center of the reflecting plate takes the center line of the central flow guide pipe as a datum line direction, and the edge of the reflecting plate faces downwards to form an inclined angle; the inclined pipes are uniformly arranged around the central flow guide pipe; a backwashing water tank is arranged on the outer side of the wall of the clarification section, a water outlet is arranged at the upper end of the backwashing water tank, and a water outlet pipeline is arranged at the bottom of the backwashing water tank; the water outlet pipeline is connected with the backwashing pipeline through the backwashing water pump, the backwashing pipeline comprises a section connected with the backwashing water pump, a longitudinal section outside the wall of the clarification section and a transverse section penetrating through the wall of the clarification section, the transverse section is positioned between the inclined pipe and the water inlet pipe, and a plurality of spraying outlets are uniformly arranged on the transverse section. The center that this application adopted is intake, one side is gone out water, belongs to one kind of vertical sedimentation tank, and it is handled to great large-scale intaking, and its water distribution is difficult even, can not satisfy needs, and the device is applicable to small-scale sewage plant.
Disclosure of Invention
The utility model aims to provide a high-efficiency integrated sedimentation tank which is simple in structure, high in efficiency and convenient to use.
The utility model is realized by the following technical scheme:
the utility model provides a high-efficient integration sedimentation tank which characterized in that: the sedimentation tank is rectangular in tank surface, a plurality of groups of parallel funnel-shaped sludge storage hoppers are arranged at the bottom of the tank body, and the sedimentation tank is also provided with a dosing device, a mixing device, a water inlet distribution device, an inclined tube sedimentation device, a water outlet collection device and a sludge discharge device;
the water inlet distribution device comprises a water inlet distribution pipe, a water distribution channel and a water distribution baffle; the water distribution baffle is arranged along the long edge of one rectangular side of the sedimentation tank to form a water inlet with the long edge, the inner side of the upper end of the water distribution baffle is provided with a water distribution channel and communicated with the water inlet in an overflowing manner through a water distribution weir, and the water inlet distribution pipe is communicated with the water inlet main pipe and is provided with a plurality of parallel outlets;
the inclined tube sedimentation device is arranged in a sedimentation zone in the middle of the sedimentation tank, consists of an inclined tube packing group or an inclined plate packing group, and is fixedly suspended at one side of the inclined tube sedimentation device and the lower end of a water distribution baffle of the water inlet distribution device, and is fixedly fixed at the other sides of the inclined tube sedimentation device and the wall of the sedimentation tank body;
the upper end of the inner side of the effluent collecting channel is communicated with the overflow water in the middle of the sedimentation tank through an effluent weir, and the effluent collecting channel is arranged along the long edge of the other side, opposite to the water distribution channel of the sedimentation tank;
the dosing device consists of a dosing barrel, a stirrer, a metering pump and a flowmeter and is used for stirring, preparing and dosing the coagulant;
the mixing device is arranged on a water inlet main pipe of the sedimentation tank and is communicated with the dosing device for dosing the coagulant;
the sludge discharging device is formed by connecting a plurality of groups in parallel, and each group of sludge discharging devices are arranged in a funnel-shaped sludge storage hopper at the bottom of the sedimentation tank.
Each group of sludge discharging devices comprises a sludge discharging valve and a sludge discharging pipe, the sludge discharging pipe is arranged in an annular shape at the bottom of the funnel-shaped sludge storage hopper, and the sludge discharging pipe body is of a perforated pipe structure.
The mixing device is a pipeline mixer arranged on a water inlet main pipe of the sedimentation tank.
The bottom of the water distribution channel of the water inlet distribution device is communicated with a plurality of water inlet distribution pipe outlets which are arranged in parallel.
The inclined length of the inclined tube filler or the inclined plate filler is 1m, the inclination angle is 60 degrees, and the aperture of the inclined tube or the clear distance of the inclined plates is 50 cm-100 cm.
The inclination angle of the hopper surface of the funnel-shaped mud storage hopper is not less than 60 degrees.
The water distribution weir and the water outlet weir are both of a toothed plate structure.
The water distribution baffle and a water inlet formed by the long edge of the sedimentation tank and a water flow channel formed by hanging and connecting the lower end of the water distribution baffle with a fixed inclined tube sedimentation device form a structure gradually widened from top to bottom.
The utility model discloses a high-efficiency integrated sedimentation tank device, which adopts a sedimentation tank structure that the upper plane of water inlet along a long edge and water outlet along the other long edge is rectangular and the bottom of the sedimentation tank is funnel-shaped, and belongs to a radial flow sedimentation tank. The water inlet is provided with a water inlet distribution device, a multipoint water inlet mode is adopted, water distribution is uniformly distributed along the length direction of the pool, a water distribution weir plate and a triangular weir form are adopted for water distribution, and water distribution is uniform; meanwhile, a water distribution baffle is arranged at the front end of the water inlet side of the settling zone, and a gradually widened structure is adopted, so that the inlet water is guided to the settling zone and is distributed uniformly, the water passing area of the zone is large, the downward flow velocity is small, and the impact on the settled sludge at the bottom of the tank is avoided. The arrangement of the water distribution baffle has obvious influence on the water distribution uniformity at the front end of the sedimentation tank, and is suitable for sewage plants of various scales.
The device is provided with a chemical dosing system. Add medicine mixing arrangement and set up on inlet tube house steward, make coagulant and sewage intensive mixing, be favorable to suspended solid and colloid to take place the flocculation reaction in the sedimentation tank, increase colloid and the collision probability of tiny granule, form the large granule floc more easily, do benefit to the settlement, increase precipitation efficiency, the pollutant removal rate increases substantially.
According to the device, the plurality of funnel-shaped sludge storage hoppers are arranged at the bottom of the tank body and are uniformly arranged at equal intervals along the length direction of the sedimentation tank, the settled sludge is collected in sections, and each funnel-shaped sludge storage hopper can discharge sludge independently, so that the sludge discharge is smoother; and the inclination angle of the hopper surface of the funnel-shaped sludge storage hopper is not less than 60 degrees, so that the sludge sedimentation is more facilitated.
The sludge discharge system of the device adopts the annular perforated pipe to discharge sludge, replaces the traditional single pipe sludge discharge mode, more effectively discharges the sludge generated by the system, and simultaneously increases the sludge discharge uniformity.
Compared with the prior art, this high-efficient integration sedimentation tank advantage is: the functions of adding medicine, mixing, distributing water, precipitating and separating and discharging sludge are integrated; a multi-point water distribution system is adopted, so that water distribution is uniform, and the tank capacity is effectively utilized; the inclined tube/inclined plate is filled, so that the separation efficiency is high; the perforated pipe is adopted for discharging the sludge, so that the sludge discharging effect is good; simple structure, high efficiency and convenient use; the mechanical equipment is less, and the reliability is high; the operation is simple, the process can be automated, and the operation and the control are easy; modular assembly, high efficiency, short production and installation period and low construction investment.
Drawings
FIG. 1 is a schematic view of the structure of an integrated sedimentation tank of the present invention;
FIG. 2 is a schematic view of the bottom structure of the integrated settling tank of the present invention;
FIG. 3 is a schematic view of the top structure of the integrated settling tank of the present invention;
FIG. 4 is a schematic structural view of the chemical feeding device of the integrated sedimentation tank of the utility model;
FIG. 5 is a schematic view of the structure of an effluent weir of the integrated sedimentation tank of the present invention;
FIG. 6 is a schematic view of the structure of the integrated sedimentation tank sludge discharge pipe of the present invention.
In the figure, 1 is a sedimentation tank, 2 is a dosing device, 3 is a dosing tank, 4 is a stirrer, 5 is a metering pump, 6 is a flowmeter, 7 is a pipe mixer, 8 is an inlet distribution pipe, 9 is a distribution channel, 10 is a distribution weir, 11 is a distribution baffle, 12 is a filler, 13 is an outlet weir, 14 is an outlet collection channel, 15 is an outlet collection header, 16 is a mud storage hopper, 17 is a mud discharge pipe, and 18 is a mud discharge valve.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the utility model and is not intended to limit the utility model in any way, but is equivalent or analogous to the present invention without departing from its scope.
With the attached drawings, as shown in the figure, the efficient integrated sedimentation tank structure comprises a sedimentation tank body 1 and is provided with the following devices: the chemical feeding device 2, a mixing device, a water inlet distribution device, an inclined tube sedimentation device, a water outlet collection device and a sludge discharge device.
As shown in fig. 1 and 4, the chemical adding device 2 is installed outside the sedimentation tank body 1 and consists of a chemical adding barrel 3, a stirrer 4, a metering pump 5 and a flow meter 6. The device is used for adding a coagulant into the sedimentation tank 1, the adding amount of the coagulant is controlled by a metering pump 5, and a flow meter 6 is used for displaying the adding amount of a medicament.
As shown in fig. 1 and 3, the mixing device is arranged on the water inlet pipe of the sedimentation tank 1, and the coagulant and the sewage are fully mixed by adopting a pipeline mixer 7 and then enter the sedimentation tank 1.
As shown in fig. 1 and 3, the water inlet distribution device is arranged at the water inlet end, and water distribution is uniformly distributed along the length direction of the pool by adopting a multi-point water inlet mode. Comprises a water inlet distribution pipe 8, a water distribution channel 9, a water distribution weir 10 and a water distribution baffle 11. The water distribution baffle 11 leads the inlet water to the sedimentation area and distributes the water uniformly, the area of the area is large, the downward flow velocity is small, the sedimentation mud at the bottom of the sedimentation tank has no impact, and the water distribution uniformity of the sedimentation tank is improved.
As shown in figure 1, the inclined tube sedimentation device is arranged in a sedimentation zone in the middle of a sedimentation tank 1, adopts inclined tubes or inclined plate packing 12 with the inclined length of 1m and the inclined angle of 60 degrees, and increases the sedimentation area and the sedimentation efficiency because the aperture of the inclined tubes or the clear distance of the inclined plates is 50 cm-100 cm.
As shown in fig. 1 and 3, the effluent collecting device is arranged at the top of the effluent end, and is composed of an effluent weir 13, an effluent collecting channel 14 and an effluent collecting main pipe 15, and the effluent collecting device uniformly collects supernatant after mud-water separation.
As shown in fig. 2 and 6, the sludge discharging device is arranged at the bottom of the sedimentation tank 1 to discharge the sludge generated by the system. In the form of a mud bucket 16, a mud pipe 17 and a mud valve 18. The bottom of the sedimentation tank 1 is provided with a sludge storage hopper 16, the inclination angle of the sludge storage hopper 16 is not less than 60 degrees, and the sludge storage hopper is uniformly arranged along the length direction of the tank to uniformly collect sludge. Each hopper 16 is provided with a sludge discharge pipe 17 and a sludge discharge valve 18. The mud valve 18 adopts a pneumatic valve or an electric valve, so that the structure is simple and the work is reliable; the sludge discharge amount is adjustable; the investment is low. The sludge discharge pipe 17 is in the form of a perforated pipe, as shown in fig. 6; an annular sludge discharge pipe 17 is arranged around the bottom of the sludge storage hopper 16 to replace the traditional single-pipe sludge discharge mode, so that sludge generated by a system can be discharged more effectively.
Claims (8)
1. The utility model provides a high-efficient integration sedimentation tank which characterized in that: the sedimentation tank is rectangular in tank surface, a plurality of groups of parallel funnel-shaped sludge storage hoppers are arranged at the bottom of the tank body, and the sedimentation tank is also provided with a dosing device, a mixing device, a water inlet distribution device, an inclined tube sedimentation device, a water outlet collection device and a sludge discharge device;
the water inlet distribution device comprises a water inlet distribution pipe, a water distribution channel and a water distribution baffle; the water distribution baffle is arranged along the long edge of one rectangular side of the sedimentation tank to form a water inlet with the long edge, the inner side of the upper end of the water distribution baffle is provided with a water distribution channel and communicated with the water inlet in an overflowing manner through a water distribution weir, and the water inlet distribution pipe is communicated with the water inlet main pipe and is provided with a plurality of parallel outlets;
the inclined tube sedimentation device is arranged in a sedimentation zone in the middle of the sedimentation tank, consists of an inclined tube packing group or an inclined plate packing group, and is fixedly suspended at one side of the inclined tube sedimentation device and the lower end of a water distribution baffle of the water inlet distribution device, and is fixedly fixed at the other sides of the inclined tube sedimentation device and the wall of the sedimentation tank body;
the upper end of the inner side of the effluent collecting channel is communicated with the overflow water in the middle of the sedimentation tank through an effluent weir, and the effluent collecting channel is arranged along the long edge of the other side, opposite to the water distribution channel of the sedimentation tank;
the dosing device consists of a dosing barrel, a stirrer, a metering pump and a flowmeter and is used for stirring, preparing and dosing the coagulant;
the mixing device is arranged on a water inlet main pipe of the sedimentation tank, is communicated with the dosing device and is used for dosing a coagulant;
the sludge discharging device is formed by connecting a plurality of groups in parallel, and each group of sludge discharging devices are arranged in a funnel-shaped sludge storage hopper at the bottom of the sedimentation tank.
2. The high-efficiency integrated sedimentation tank of claim 1, wherein: each group of sludge discharging devices comprises a sludge discharging valve and a sludge discharging pipe, the sludge discharging pipe is arranged in an annular shape at the bottom of the funnel-shaped sludge storage hopper, and the sludge discharging pipe body is of a perforated pipe structure.
3. The high-efficiency integrated sedimentation tank of claim 2, wherein: the mixing device is a pipeline mixer arranged on a water inlet main pipe of the sedimentation tank.
4. The high-efficiency integrated sedimentation tank as claimed in claim 2, wherein: the bottom of the water distribution channel of the water inlet distribution device is communicated with a plurality of water inlet distribution pipe outlets which are arranged in parallel.
5. The high-efficiency integrated sedimentation tank of claim 2, wherein: the inclined length of the inclined tube filler or the inclined plate filler is 1m, the inclination angle is 60 degrees, and the aperture of the inclined tube or the clear distance of the inclined plates is 50 cm-100 cm.
6. The high-efficiency integrated sedimentation tank of claim 2, wherein: the inclination angle of the hopper surface of the funnel-shaped mud storage hopper is not less than 60 degrees.
7. The high-efficiency integrated sedimentation tank of claim 2, wherein: the water distribution weir and the water outlet weir are both of a toothed plate structure.
8. The high-efficiency integrated sedimentation tank according to any one of claims 1 to 7, wherein: the water distribution baffle and a water inlet formed by the long edge of the sedimentation tank and a water flow channel formed by hanging and connecting the lower end of the water distribution baffle with a fixed inclined tube sedimentation device form a structure gradually widened from top to bottom.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220247189.4U CN216877987U (en) | 2022-01-30 | 2022-01-30 | High-efficient integration sedimentation tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220247189.4U CN216877987U (en) | 2022-01-30 | 2022-01-30 | High-efficient integration sedimentation tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487550A (en) * | 2022-10-13 | 2022-12-20 | 茂名市电白区广业环境治理有限公司 | Secondary sedimentation tank circum-entering, week-exiting and transformation device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487550A (en) * | 2022-10-13 | 2022-12-20 | 茂名市电白区广业环境治理有限公司 | Secondary sedimentation tank circum-entering, week-exiting and transformation device and method |
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