CN210711173U - Sewage treatment facility - Google Patents
Sewage treatment facility Download PDFInfo
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- CN210711173U CN210711173U CN201921512260.1U CN201921512260U CN210711173U CN 210711173 U CN210711173 U CN 210711173U CN 201921512260 U CN201921512260 U CN 201921512260U CN 210711173 U CN210711173 U CN 210711173U
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- tank
- sedimentation tank
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- adjusting
- treatment facility
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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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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
A sewage treatment facility comprises a grid tank, an adjusting tank, a secondary sedimentation tank and a comprehensive sedimentation tank; the grating pool is used for filtering fibrous substances, or fine sand grains and various insoluble impurities in the wastewater; the adjusting tank is used for increasing aeration and adjusting the aeration value; the secondary sedimentation tank is used for short-time sedimentation before the final sedimentation tank and after the regulating tank; the final sedimentation tank is mainly used for separating sludge from water; through the pipeline intercommunication between grid pond and the equalizing basin, through the pipeline intercommunication between equalizing basin and the two heavy ponds, through the pipeline intercommunication between two heavy ponds and the final heavy pond, can effectually isolate the small suspended substance furthest who exists in the liquid through the rotary screen machine in the grid pond, realize solid, the purpose of the two-phase separation of liquid, need not like traditional cleaning method and need a large amount of manpower and materials, set up the equalizing basin of a plurality of differences, aerate through the equalizing basin of difference, deposit and prevent to increase the precipitation effect, the driving type scrapes the suction dredge simultaneously and can avoid the accumulation of equalizing basin sediment, the problem that the pond capacity reduces.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a sewage treatment facility.
Background
The prior treatment of textile sewage in the textile industry mostly has the following problems:
the measures of treating and removing the rubber bags and the cloth furs adopt thick and thin grids, a method of removing slag and pumping bottom mud is adopted, and the defects of poor removing effect and high manual labor intensity exist in actual operation.
The treatment unit is not provided with a primary sedimentation unit, and suspended matters in the wastewater directly enter the regulating tank. The sludge discharge measure is not considered in the adjusting tank, and the problems of accumulation of sediments in the adjusting tank and reduction of tank capacity occur in long-term operation. And the adjusting tank sediment is directly pumped into the aerobic tank through a lifting pump.
Meanwhile, the existing biochemical system adopts a treatment process of 'an aerobic tank, a secondary sedimentation tank, a coagulation reaction tank and a final sedimentation tank', and the method has the following defects in a wastewater treatment system with large daily treatment capacity:
the multi-bucket sludge discharge mode has more sludge buckets and more sludge discharge valves, adopts a mode of manually controlling the sludge discharge valves, and is relatively complicated to operate. Whether the sludge reflux quantity is enough or not is closely related to the experience of operators (whether the mud-water separation process of the inspection pool surface is judged) and the working attitude (whether the operations are carried out according to the regulations in late night, rainy days and cold days), so that the stability and reasonability are difficult to ensure, and the normal stability of a biochemical system is influenced.
The multi-bucket sludge discharge mode is that a sludge discharge pipe is connected with two or more than two sludge buckets in series, and is easy to discharge because the sludge quantity of the front end sludge bucket is large during sludge discharge, the high density is difficult to discharge, the small density of the tail end sludge quantity is low, the discharge is excessive, the front end sludge layer of the sedimentation tank is too high, the sludge is reversed, the sludge floats upwards, and the suspended solids are too high, so that the water outlet effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A wastewater treatment facility comprising: the device comprises a grid tank, an adjusting tank, a secondary sedimentation tank and a comprehensive sedimentation tank;
the grating pool is used for filtering fibrous substances, or fine sand grains and various insoluble impurities in the wastewater;
the adjusting tank is used for increasing aeration and adjusting the aeration value;
the secondary sedimentation tank is used for short-time sedimentation before the final sedimentation tank and after the regulating tank;
the final sedimentation tank is mainly used for separating sludge from water;
the grid tank is communicated with the adjusting tank through a pipeline, the adjusting tank is communicated with the secondary sedimentation tank through a pipeline, and the secondary sedimentation tank is communicated with the final sedimentation tank through a pipeline.
More specifically, a pool inlet connected with the drainage device, a circular screen machine for filtering and a pool outlet connected with the adjusting pool are arranged in the grid pool.
More specifically, the regulating reservoir is divided into three independent first regulating reservoirs, second regulating reservoirs and third regulating reservoirs, and two adjacent regulating reservoirs of the first regulating reservoirs, the second regulating reservoirs and the third regulating reservoirs are communicated through pipelines.
More specifically, the bottom of the first adjusting tank is provided with a plurality of perforated aeration pipes for increasing wastewater aeration, and the perforated aeration pipes are connected with an air supply device.
More specifically, a travelling type sludge scraping and sucking device for discharging sludge is arranged in the second adjusting tank.
More specifically, the third adjusting tank is communicated with the secondary sedimentation tank.
More specifically, a driving type mud scraping and sucking device is arranged in the secondary sedimentation tank.
More specifically, be provided with the chain formula mud scraper under water that is used for clearing up sediment in the final sedimentation tank, be provided with the slag notch on the mud outlet of chain formula mud scraper under water.
More specifically, four circular net machines are arranged in the grid pond, and the circular net machines are 20 meshes, 50 meshes, 80 meshes and 100 meshes in sequence from front to back according to the water flow direction.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the primary-stage and primary-stage filtration of a four-stage rotary screen machine in the grid pond, micro suspended substances (cloth wool fibers) with different particle sizes in the liquid can be effectively separated to the maximum extent, the aim of separating solid and liquid phases is fulfilled, and a large amount of manpower and material resources are not needed like the traditional cleaning method;
2. a plurality of different adjusting tanks are arranged, aeration, sludge discharge and sedimentation are carried out through the different adjusting tanks, the water treatment capacity can be greatly increased because the three tanks work alternately and ceaselessly, and meanwhile, the vehicle-driven sludge scraping and sucking device can avoid the problems of sediment accumulation and tank capacity reduction of the adjusting tanks;
3. be provided with the chain formula mud scraper under water that is used for clearing up sediment silt in the final sedimentation tank, can clear up with the deposit of effect in the final sedimentation tank.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the middle grid pond of the present invention.
Fig. 3 is a schematic structural diagram of the adjusting tank of the present invention.
Fig. 4 is a schematic structural diagram of the final sedimentation tank of the present invention.
In the figure: 1. grid pond, 2, income pond mouth, 3, the cylinder machine, 4, play pond mouth, 5, third equalizing basin, 6, second equalizing basin, 7, driving formula scrape the sludge absorber, 8, first equalizing basin, 9, foraminiferous aeration pipe, 10, equalizing basin, 11, final settling basin, 12, chain formula sludge scraper under water, 13, the slag notch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, a sewage treatment facility includes: a grid tank 1, an adjusting tank 10, a secondary sedimentation tank and a final sedimentation tank 11;
the grid tank 1 is communicated with the adjusting tank 10 through a pipeline, the adjusting tank 10 is communicated with the secondary sedimentation tank through a pipeline, and the secondary sedimentation tank is communicated with the final sedimentation tank 11 through a pipeline.
The grid pond 1 is internally provided with a pond inlet 2 connected with drainage equipment, a circular screen machine 3 used for filtering and a pond outlet 4 connected with an adjusting pond 10, the grid pond 1 is internally provided with four circular screen machines 3 altogether, the circular screen machines adopt a mechanical filtering method and sequentially comprise a 20-mesh circular screen machine, a 50-mesh circular screen machine, an 80-mesh circular screen machine and a 100-mesh circular screen machine from front to back according to the water flow direction, and filter large and small granular impurities in waste water layer by layer to realize the purpose of separating solid phase from liquid phase. The filtered sand, wool, impurities and the like are discharged from a material guide groove at the back of the equipment, so that the impurities are separated and collected, and the efficient separation effect is achieved.
The regulating tank 10 is used for increasing aeration and regulating aeration value and is divided into a first regulating tank 8, a second regulating tank 6 and a third regulating tank 5, two adjacent regulating tanks are communicated through a pipeline, a latticed perforated aeration pipe 9 for increasing wastewater aeration is arranged in the first regulating tank 108, a travelling sludge scraping and sucking device 7 for taking out sludge is arranged in the second regulating tank 106, and the third regulating tank 105 is communicated with a secondary sedimentation tank, wherein the first regulating tank adopts an improved active sludge treatment process of an aerobic process, the active sludge treatment process adopts the earliest biochemical sewage treatment technology and also the current biological sewage treatment process technology which is the most widely applied in the world, and has the advantages of strong treatment capacity, excellent effluent water quality and the like, and the active sludge method is characterized in that the sewage is oxygenated and stirred through aeration to enable the active sludge to be in a suspended state, the sewage is fully contacted with the sewage, pollutants in the sewage are adsorbed and degraded by using the activated sludge, the sewage is metabolized per se, the sewage is purified, the time is generally 8-10h, the sewage is treated by the first regulating tank, the second regulating tank can be used for carrying out sludge discharge operation on the sewage, the third regulating tank is used for standing the treated sewage, the three regulating tanks alternately treat the water, and the daily treatment capacity of the sewage is greatly increased.
The secondary sedimentation tank is used for short-time sedimentation before the final sedimentation tank 11 and after the regulating tank 10;
the final sedimentation tank 11 is mainly used for separating sludge from water;
an underwater chain type mud scraper 12 for cleaning precipitated mud is arranged in the final sedimentation tank 11, and a slag outlet 13 is arranged on a mud outlet of the underwater chain type mud scraper 12.
The underwater chain type mud scraper 12 of the final sedimentation tank 11 can solve the problem of mud sedimentation at the bottom of the tank.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A wastewater treatment facility, comprising: the device comprises a grid tank, an adjusting tank, a secondary sedimentation tank and a comprehensive sedimentation tank;
the grating pool is used for filtering fibrous substances, or fine sand grains and various insoluble impurities in the wastewater; a tank inlet connected with drainage equipment, a circular screen machine for filtering and a tank outlet connected with an adjusting tank are arranged in the grid tank, and four circular screen machines are arranged in the grid tank and sequentially comprise a 20-mesh circular screen machine, a 50-mesh circular screen machine, an 80-mesh circular screen machine and a 100-mesh circular screen machine from front to back according to the water flow direction;
the adjusting tank is used for increasing aeration and adjusting the aeration value;
the secondary sedimentation tank is used for short-time sedimentation before the final sedimentation tank and after the regulating tank;
the final sedimentation tank is mainly used for separating sludge from water;
the grid tank is communicated with the adjusting tank through a pipeline, the adjusting tank is communicated with the secondary sedimentation tank through a pipeline, and the secondary sedimentation tank is communicated with the final sedimentation tank through a pipeline.
2. The sewage treatment facility according to claim 1, wherein the regulating tank is divided into three independent first regulating tank, second regulating tank and third regulating tank, and two adjacent regulating tanks of the first regulating tank, the second regulating tank and the third regulating tank are communicated through a pipeline.
3. The sewage treatment facility according to claim 2, wherein the bottom of the first conditioning tank is provided with a plurality of perforated aeration pipes for increasing aeration of the wastewater, and the perforated aeration pipes are connected with air supply equipment.
4. The wastewater treatment facility according to claim 2, wherein a traveling type sludge scraping and sucking device for discharging sludge is provided in the second regulation tank.
5. The wastewater treatment plant according to claim 2, wherein the third conditioning tank is in communication with the secondary sedimentation tank.
6. The wastewater treatment facility according to claim 1, wherein a driving type sludge scraping and sucking device is arranged in the secondary sedimentation tank.
7. The sewage treatment facility according to claim 1, wherein an underwater chain type mud scraper for cleaning precipitated mud is arranged in the final sedimentation tank, and a slag outlet is arranged on a mud outlet of the underwater chain type mud scraper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512260.1U CN210711173U (en) | 2019-09-11 | 2019-09-11 | Sewage treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512260.1U CN210711173U (en) | 2019-09-11 | 2019-09-11 | Sewage treatment facility |
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| Publication Number | Publication Date |
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| CN210711173U true CN210711173U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921512260.1U Active CN210711173U (en) | 2019-09-11 | 2019-09-11 | Sewage treatment facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482800A (en) * | 2019-09-11 | 2019-11-22 | 东莞市正大纺织科技有限公司 | A kind of sewage treatment facility |
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2019
- 2019-09-11 CN CN201921512260.1U patent/CN210711173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482800A (en) * | 2019-09-11 | 2019-11-22 | 东莞市正大纺织科技有限公司 | A kind of sewage treatment facility |
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