CN209685531U - Waste water treatment system - Google Patents
Waste water treatment system Download PDFInfo
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- CN209685531U CN209685531U CN201920343126.7U CN201920343126U CN209685531U CN 209685531 U CN209685531 U CN 209685531U CN 201920343126 U CN201920343126 U CN 201920343126U CN 209685531 U CN209685531 U CN 209685531U
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- draining exit
- sewage draining
- sedimentation basin
- sludge
- waste water
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Abstract
The utility model discloses a kind of waste water treatment systems, including sequentially connected settling pit, first sedimentation basin, biological treatment tank, second sedimentation basin, drug-treated pond, coagulative precipitation tank, filtering ponds, sterilization pool, the bottom of first sedimentation basin is equipped with the first sewage draining exit, the bottom of second sedimentation basin is equipped with reflux sewage draining exit and the second sewage draining exit, the reflux sewage draining exit is connect with biological treatment tank, first sewage draining exit and the second sewage draining exit are connected to sludge mixing pit simultaneously, sludge filtration device is equipped in the sludge mixing pit, the sludge mixing pit is connect with mud concentration basin, the mud concentration basin is connect with slurry dewatering pond, the slurry dewatering pond is equipped with third sewage draining exit and discharge outlet, the discharge outlet is connect by water pump with the first sedimentation basin；The utility model takes full advantage of water resource, can generate the utilizable energy and will not impact to environment.
Description
Technical field
The utility model relates to technical field of waste water processing, more particularly to a kind of waste water treatment system.
Background technique
With the development of society, population is increasing, waste water handling problem is increasingly prominent, also, the skill of wastewater treatment
Art is constantly in backward state, and the difficulty of waste water treatment is larger, always affects the development and construction in city.With urbanization
Propulsion, water consumption is continuously increased, and pollution will be more serious, and influencing also can be more severe.Waste water is usually by industry
Waste water and sanitary wastewater composition, also, it is processed after waste water directly arrange into natural environment after, cannot be to treated waste water
It is used, in turn results in the pollution of environment and the serious waste at water source.
Utility model content
The purpose of the utility model is to overcome shortcomings in the prior art, provide a kind of waste water treatment system, with solution
Certainly the problem of above-mentioned background technique.
The utility model is solved by following technical proposals:
A kind of waste water treatment system, including sequentially connected settling pit, the first sedimentation basin, biological treatment tank, the second precipitating
The bottom of pond, drug-treated pond, coagulative precipitation tank, filtering ponds, sterilization pool, first sedimentation basin is equipped with the first sewage draining exit, institute
The bottom for stating the second sedimentation basin is equipped with reflux sewage draining exit and the second sewage draining exit, the reflux sewage draining exit are connect with biological treatment tank,
First sewage draining exit and the second sewage draining exit are connected to sludge mixing pit simultaneously, are equipped with sludge filtration in the sludge mixing pit and fill
It sets, the sludge mixing pit is connect with mud concentration basin, and the mud concentration basin is connect with slurry dewatering pond, the slurry dewatering
Pond is equipped with third sewage draining exit and discharge outlet, and the discharge outlet is connect by water pump with the first sedimentation basin；
The biological treatment tank includes one end of pond body, the pond body equipped with feeding-passage, and the other end is equipped with tapping channel,
Top is equipped with lid, and gas-guide tube is equipped on the lid, and the feeding-passage includes that sewage inlet port and returned sludge enter
Mouthful, the sewage inlet port is connected to first sedimentation basin, and the returned sludge inlet port is connected to the reflux sewage draining exit,
The tapping channel is connected to second sedimentation basin.
Further, anaerobic biological treatment is equipped in the biological treatment tank.
Further, the bottom of first sedimentation basin and the second sedimentation basin is equipped with conical flow guiding slot, first blowdown
Mouth and the second sewage draining exit are set on corresponding diversion trench, are equipped with valve on first sewage draining exit and the second sewage draining exit.
Further, the drug-treated pond is equipped with chemicals dosing plant and agitating device.
Further, the reflux sewage draining exit is equipped with flow control valve.
Further, screen pack is installed on the settling pit.
The utility model have the following advantages that compared with prior art and the utility model has the advantages that
1. partial sludge is discharged into biological treatment tank by second sedimentation basin of the utility model by reflux sewage draining exit, remaining
Sludge be discharged into sludge mixing pit, the organic substance of non-fully degraded can be made to degrade again, biological treatment is more abundant, energy
More methane gas are enough generated, utilize sewage more fully.
2. the utility model handles the mud obtained after precipitating by mud concentration, slurry dewatering, by sludge and water point
It mutually separates, sludge can be agricultural, and moisture is discharged into again to the first sedimentation basin and is handled, and in wastewater treatment process, reduces
Waste, is more fully utilized water resource.
3. the utility model will not generate harmful substance in wastewater treatment process, environmental effects will not be easy to
Implement, there is good promotion prospect.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the principles of the present invention block diagram.
Specific embodiment
The present invention will be further described in detail with reference to the embodiments and the accompanying drawings, but the implementation of the utility model
Mode is without being limited thereto.
The specific implementation process of the utility model is as follows:
As shown in Figure 1, waste water treatment system, including sequentially connected settling pit 1, the first sedimentation basin 2, biological treatment tank 4,
Second sedimentation basin 5, drug-treated pond 9, coagulative precipitation tank 10, filtering ponds 11, sterilization pool 12, the bottom of first sedimentation basin 2
Equipped with the first sewage draining exit, the bottom of second sedimentation basin 5 is equipped with reflux sewage draining exit and the second sewage draining exit, the reflux sewage draining exit
4 are connect with biological treatment tank, first sewage draining exit and the second sewage draining exit are connected to sludge mixing pit 6 simultaneously, and the sludge is mixed
It closes and is equipped with sludge filtration device in pond 6, the sludge mixing pit 6 is connect with mud concentration basin 7, the mud concentration basin 7 and mud
Slurry dehydration pond 8 connects, and the slurry dewatering pond 8 is equipped with third sewage draining exit and discharge outlet, and the discharge outlet passes through water pump and first
Sedimentation basin 2 connects；
The biological treatment tank 4 includes one end of pond body, the pond body equipped with feeding-passage, and it is logical that the other end is equipped with discharging
Road, top are equipped with lid 3, are equipped with gas-guide tube on the lid 3, the feeding-passage includes sewage inlet port and returned sludge
Inlet port, the sewage inlet port are connected to first sedimentation basin 2, the returned sludge inlet port and the reflux sewage draining exit
Connection, the tapping channel are connected to second sedimentation basin 5.
The bottom of first sedimentation basin 2 and the second sedimentation basin 5 is equipped with conical flow guiding slot, first sewage draining exit and second
Sewage draining exit is set on corresponding diversion trench, valve is equipped on first sewage draining exit and the second sewage draining exit, diversion trench can draw
It leads sludge and flows into sewage draining exit, will not be built up in sedimentation basin.The reflux sewage draining exit is equipped with flow control valve, and flow is adjusted
Valve can adjust the flow of reflux blowdown, can be adjusted according to the demand of biological treatment tank 4, be conducive in biological treatment tank
The abundant reaction of microorganism.
The working principle of the utility model are as follows: municipal sewage is discharged into setting pot 1 by sewage conduct, is set on setting pot 1
It is equipped with screen pack, can will be filtered compared with bigger material, setting pot 1 is used to precipitate the silt of water flow greater particle size, makes to enter
The partial size of sand grain is less than certain range in the sewage of first sedimentation basin 2, prevents subsequent treatment process to processing equipment
It influences.The sewage that setting pot is discharged by the first sedimentation basin 2 carries out primary deposition, and the effect of primary deposition is to reduce partial size in sewage
Lesser sediment content, and the sludge after primary deposition is expelled to sludge mixing pit 6, by the sewage of primary deposition be discharged into
Biological treatment tank 4, biological treatment tank 4 will be handled by the sewage of primary deposition by anaerobic biological treatment, anaerobism
Biological treatment system under anaerobic, forms nutritional condition and environmental condition required for anaerobe, passes through anaerobism
Bacterium and amphimicrobe metabolism carry out biochemical degradation to the organic matter in sewage, so that sewage is purified, and generate methane gas
Body, methane pass through the gas-guide tube discharge at the top of pond body.By biological treatment tank, treated that sewage is expelled to the second sedimentation basin 5,
Due to the sludge that organic impurities of sewage during biochemical degradation with non-fully degraded form, the second sedimentation basin 5 can be with
The sludge is precipitated, a part of sludge after precipitating is discharged into again by the sewage draining exit that flows back to biological treatment tank 4, so as to
It degrades again to the impurity of non-fully degraded, remaining sludge is discharged into sludge mixing pit 6 by the second sewage draining exit, first heavy
The sludge in shallow lake and the sludge of secondary precipitation, which are discharged into jointly in sludge mixing pit 6, forms mud, and it is dense that mud is discharged into mud after filtering
Mud is carried out concentration by contracting pond 7, mud concentration basin 7, and the mud by concentration is discharged into slurry dewatering pond 8, and mud is de-
Mud after the concentration of 8 pairs of pond is carried out dehydrating, and the mud after dehydration is separated into sludge and a small amount of sewage, sewage
It is discharged into again by the second discharge outlet to the first sedimentation basin 2, sludge is discharged by third sewage draining exit, and the sludge of discharge can be with agriculture
With, burn, make compost or landfill disposal.Second sedimentation basin 5 will be discharged by oettIed sewage to drug-treated pond 9, at drug
It manages pond and is equipped with chemicals dosing plant and agitating device.Drug-treated pond 9 can be chemically treated sewage, dissolve in reduction sewage
Noxious material, chemicals dosing plant and agitating device can choose the device having at present, to realize the drug-treated function to sewage；
Since the sewage after drug-treated contains a large amount of suspension or coagulation impurity, by the sewage after drug-treated
It is discharged into coagulative precipitation tank 10 and is precipitated, the water after precipitating is discharged into sterilization pool 12 after the filtering of filtering ponds 11, is passed through
Water after disinfection can be discharged into water system as resident living water.Municipal sewage can be carried out sufficiently benefit by the utility model
With, sewage is broken down into sludge, methane and domestic water, and sludge can be utilized again, and methane can be used as using energy source,
Harmful substance will not be generated in wastewater treatment process, will not be easy to implement to environmental effects, before there is good popularization
Scape.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (6)
1. waste water treatment system, it is characterised in that: including sequentially connected settling pit, the first sedimentation basin, biological treatment tank, second
The bottom of sedimentation basin, drug-treated pond, coagulative precipitation tank, filtering ponds, sterilization pool, first sedimentation basin is equipped with the first blowdown
Mouthful, the bottom of second sedimentation basin is equipped with reflux sewage draining exit and the second sewage draining exit, the reflux sewage draining exit and biological treatment tank
Connection, first sewage draining exit and the second sewage draining exit are connected to sludge mixing pit simultaneously, are equipped with sludge in the sludge mixing pit
Filter device, the sludge mixing pit are connect with mud concentration basin, and the mud concentration basin is connect with slurry dewatering pond, the mud
Slurry dehydration pond is equipped with third sewage draining exit and discharge outlet, and the discharge outlet is connect by water pump with the first sedimentation basin；
The biological treatment tank includes one end of pond body, the pond body equipped with feeding-passage, and the other end is equipped with tapping channel, top
Equipped with lid, gas-guide tube is installed on the lid, the feeding-passage includes sewage inlet port and returned sludge inlet port, institute
It states sewage inlet port to be connected to first sedimentation basin, the returned sludge inlet port is connected to the reflux sewage draining exit, described
Tapping channel is connected to second sedimentation basin.
2. waste water treatment system according to claim 1, it is characterised in that: be equipped with anaerobic organism in the biological treatment tank
Processing system.
3. waste water treatment system according to claim 1, it is characterised in that: first sedimentation basin and the second sedimentation basin
Bottom is equipped with conical flow guiding slot, and first sewage draining exit and the second sewage draining exit are set on corresponding diversion trench, first blowdown
Valve is equipped on mouth and the second sewage draining exit.
4. waste water treatment system according to claim 1, it is characterised in that: the drug-treated pond be equipped with chemicals dosing plant and
Agitating device.
5. waste water treatment system according to claim 1, it is characterised in that: the reflux sewage draining exit is adjusted equipped with flow
Valve.
6. waste water treatment system according to claim 1, it is characterised in that: be equipped with screen pack on the settling pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343126.7U CN209685531U (en) | 2019-03-18 | 2019-03-18 | Waste water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343126.7U CN209685531U (en) | 2019-03-18 | 2019-03-18 | Waste water treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209685531U true CN209685531U (en) | 2019-11-26 |
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ID=68605185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920343126.7U Active CN209685531U (en) | 2019-03-18 | 2019-03-18 | Waste water treatment system |
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| CN (1) | CN209685531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390415A (en) * | 2020-11-16 | 2021-02-23 | 江西南工建设工程有限公司 | Waste reduction construction method in environment-friendly pollution discharge municipal engineering |
-
2019
- 2019-03-18 CN CN201920343126.7U patent/CN209685531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390415A (en) * | 2020-11-16 | 2021-02-23 | 江西南工建设工程有限公司 | Waste reduction construction method in environment-friendly pollution discharge municipal engineering |
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