CN209872671U - Domestic sewage treatment container - Google Patents
Domestic sewage treatment container Download PDFInfo
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- CN209872671U CN209872671U CN201920229875.7U CN201920229875U CN209872671U CN 209872671 U CN209872671 U CN 209872671U CN 201920229875 U CN201920229875 U CN 201920229875U CN 209872671 U CN209872671 U CN 209872671U
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- magnetic coagulation
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Abstract
The utility model discloses a domestic sewage treatment container, which comprises a container body and a domestic sewage treatment system arranged in the container body, wherein the domestic sewage treatment system comprises a regulating tank, a magnetic coagulation pretreatment tank, an anoxic reaction tank, an MBR (membrane bioreactor) biomembrane reaction tank, a magnetic coagulation advanced treatment tank and a disinfection tank which are sequentially communicated; the magnetic coagulation pretreatment tank comprises a first magnetic coagulation tank, a first flocculation tank and a first sedimentation tank which are sequentially communicated; the magnetic coagulation advanced treatment tank comprises a second magnetic coagulation tank, a second flocculation tank and a second sedimentation tank which are sequentially communicated. The utility model discloses a "domestic sewage treatment system of magnetic coagulation preliminary treatment pond + oxygen deficiency reaction tank + MBR membrane biological reaction pond + magnetic coagulation advanced treatment tank" connected mode is showing and is improving out water quality of water to arrange this sewage treatment system compactness in the container, form the sewage treatment device of integration, both improved sewage treatment effect, reduce equipment area again.
Description
Technical Field
The utility model relates to a sewage treatment device technical field especially relates to a domestic sewage treatment container.
Background
Water resource shortage and serious water pollution become one of the main problems facing the world. With the improvement of the quality of life of modern cities, the requirement of China on environmental protection is higher and higher. The traditional sewage treatment process is usually composed of a plurality of sewage treatment units, and has the disadvantages of complex process, large residual sludge yield and inconvenient management.
The general development trend of modern sewage treatment technology is to shorten and simplify the process flow as much as possible under the condition of ensuring the effluent quality to reach the standard. Aiming at the situation, the integrated sewage treatment container is produced at the right moment, the core of the sewage treatment container is also a biochemical system, a plurality of different units such as pretreatment, biochemistry, precipitation, sludge backflow, disinfection and the like are organically combined in one device to form a sewage treatment assembly, the municipal pipe network construction pressure can be relieved, the free funds of the society are fully utilized, the land area is effectively saved, the process treatment efficiency is high, and the reclaimed water reuse is realized.
The magnetic coagulation clarification process is characterized in that magnetic powder is added on the basis of a sludge circulating loading type sedimentation tank, fine magnetic powder particles are used as precipitation crystal nuclei, colloid particles and the magnetic powder particles in water are easy to collide and destabilize to form flocs, the density of the generated flocs is greatly increased due to the fact that the generated flocs contain the magnetic powder with large specific gravity, the flocs can be quickly settled in the water, and the sedimentation speed is greatly increased. In addition, the efficient sedimentation tank is provided with a sludge backflow system, so that flocculation conditions are optimized, magnetic powder and coagulant in sludge can be recycled, the use of medicaments is reduced, the impact capacity of the system is greatly improved, and the operation consumption is remarkably reduced.
The magnetic coagulation clarification tank is an innovative form of a water sedimentation tank, and integrates the characteristics of various sedimentation technologies; the method has the advantages of high precipitation efficiency, good stability of effluent quality, small occupied area, strong impact resistance, high pollutant removal rate, SS stability of general sewage advanced treatment of less than 10mg/L, total phosphorus of less than 0.1mg/L and the like; however, the magnetic coagulation process also has disadvantages, such as: the adding cost of magnetic powder is increased, and the reflux of the mixed liquid consumes power.
A Membrane Bioreactor (MBR) is an organic combination of membrane separation technology and biotechnology to treat wastewater. In the treatment process, activated sludge and macromolecules are intercepted by adopting a membrane separation technology, so that a secondary sedimentation tank of the traditional process is saved, the capital cost is saved, the layout of each treatment unit is compact, and the land area is greatly saved. However, the MBR process has a low removal rate of nitrogen and phosphorus, and has the disadvantages of high cost, easy formation of membrane pollution, high operating cost, and the like.
SUMMERY OF THE UTILITY MODEL
To the defect of above-mentioned two kinds of techniques, the utility model aims to provide a domestic sewage treatment container that each unit is arranged compactly, the transportation is convenient, go out water quality of water good, intensification degree is high.
The specific technical scheme is as follows:
a domestic sewage treatment container comprises a box body and a domestic sewage treatment system arranged in the box body, wherein a water inlet and a water outlet are formed in the box body, and the domestic sewage treatment system comprises a regulating tank, a magnetic coagulation pretreatment tank, an anoxic reaction tank, an MBR (membrane bioreactor) biofilm reaction tank, a magnetic coagulation advanced treatment tank and a disinfection tank which are sequentially communicated;
the magnetic coagulation pretreatment tank comprises a first magnetic coagulation tank, a first flocculation tank and a first sedimentation tank which are sequentially communicated; the magnetic coagulation advanced treatment tank comprises a second magnetic coagulation tank, a second flocculation tank and a second sedimentation tank which are sequentially communicated; the first magnetic coagulation tank is communicated with the regulating tank, and the first sedimentation tank is communicated with the anoxic reaction tank; the second magnetic coagulation tank is communicated with the MBR biological membrane reaction tank, and the second sedimentation tank is communicated with the disinfection tank;
the water inlet is communicated with the regulating tank, and the water outlet is communicated with the disinfection tank.
The utility model discloses a main improvement point lies in: adopt the domestic sewage treatment system of "magnetic coagulation pretreatment pond + oxygen deficiency reaction tank + MBR membrane biological reaction pond + magnetic coagulation advanced treatment tank" connected mode, improved out water quality of water to arrange this system compactness in the container, form the sewage treatment device of integration, both improved sewage treatment effect, reduce equipment area again.
Among this domestic sewage treatment system, the equalizing basin is used for adjusting the quality of water yield of intaking, the magnetism thoughtlessly handles the suspended solid that the pond is used for removing the sewage in thoughtlessly, the oxygen deficiency reaction tank carries out nitrogen removal processing, MBR biomembrane reaction tank is used for holding back activated sludge and macromolecular substance, and the magnetism thoughtlessly handles the advanced treatment pond then to the further advanced treatment of MBR biomembrane reaction tank play water in the magnetism thoughtlessly, through experimental evidence, the magnetism thoughtlessly handles the advanced treatment pond and can cooperate the suspended solid that MBR biomembrane reaction tank further removed the sewage in, total phosphorus, quality of water indexes such as total nitrogen, thereby improve water quality of water, finally, obtain quality of water up to standard play water through the disinfection.
Further, all be equipped with agitating unit in first magnetism coagulation pond, first flocculation basin and second magnetism coagulation pond and the second flocculation basin, improve the sedimentation effect of magnetism coagulation pond and flocculation basin. In the sewage treatment process, coagulant and magnetic powder are added into the magnetic coagulation tank, and coagulant aid is added into the flocculation tank.
Further, the upper part of the first sedimentation tank is communicated with the anoxic reaction tank through a pipeline, and the bottom part of the first sedimentation tank is connected with the magnetic separator through a pipeline; sewage in the first sedimentation tank flows into the anoxic reaction tank through the pipeline to continue to be treated, and magnetic powder and agglomerated pollutants precipitated at the bottom are separated through the magnetic separator, so that the magnetic powder is recycled, and the recycling of the magnetic powder is realized.
Further, the upper part of the second sedimentation tank is communicated with the disinfection tank through a pipeline, and the bottom of the second sedimentation tank is connected with the magnetic separator through a pipeline; the sewage in the second sedimentation tank flows into the disinfection tank through the pipeline to carry out the effect, and the magnetic powder and the reunion pollutant that the bottom subsided are separated through the magnetic separator to retrieve the magnetic powder, realize the cyclic utilization of magnetic.
Further, a sludge return pipe is arranged at the bottom of the MBR biological membrane reaction tank and is communicated with the bottom of the anoxic reaction tank.
Furthermore, aeration devices are arranged in the anoxic reaction tank and the MBR biological membrane reaction tank.
Further, an ultraviolet efficacy disinfection lamp is arranged above the disinfection tank; the use of uv disinfection avoids the reintroduction of chemical agents as a result of chemical agent disinfection.
Furthermore, an openable inlet is formed in the side wall of the box body on one side of the regulating tank, so that the replacement and maintenance of each treatment tank and each reaction tank in the box body can be realized.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses a "domestic sewage treatment system of magnetic coagulation preliminary treatment pond + oxygen deficiency reaction tank + MBR membrane biological reaction pond + magnetic coagulation advanced treatment tank" connected mode is showing and is improving out water quality of water to arrange this sewage treatment system compactness in the container, form the sewage treatment device of integration, both improved sewage treatment effect, reduce equipment area again.
(2) The utility model discloses degree of automation is high, need not personnel's control, and the noise of production is little, simple to operate, and easy operation, the outward appearance is supported by container case shell, and it is very convenient to transport.
(3) The utility model discloses sewage treatment is effectual, adopts magnetism to coagulate preliminary treatment pond and magnetism to coagulate advanced treatment tank, and all is equipped with magnetic separator for the magnetic can cyclic utilization, and precipitation efficiency is high, and it is good to go out water quality.
(4) The utility model discloses sewage treatment is effectual, and is longe-lived, and the pollutant removal scope is big, can denitrogenate dephosphorization simultaneously and get rid of the organic matter, and the excess sludge volume is few, and the treatment effeciency is high.
Drawings
Figure 1 is the structure schematic diagram of the domestic sewage treatment container of the utility model.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1, the present embodiment provides a domestic sewage treatment container, which comprises a container body 1 and a domestic sewage treatment system arranged in the container body 1; the domestic sewage treatment system comprises an adjusting tank 3, a magnetic coagulation pretreatment tank 20, an anoxic reaction tank 7, an MBR (membrane bioreactor) biological membrane reaction tank 8, a magnetic coagulation advanced treatment tank 21 and a disinfection tank 9 which are sequentially communicated through pipelines and are arranged in a straight line.
Wherein, equalizing basin 3 is located the left side of box 1, and open the lower part of box 1 left side lateral wall has water inlet 2, supplies inlet pipe 14 to pass through, and inlet pipe 14 communicates the box outer with equalizing basin 3, is equipped with elevator pump 22 on the inlet pipe 14. An openable inlet 26 is arranged on the left side wall of the box body positioned on one side of the regulating tank 3, and can be used for replacing and maintaining each treatment tank and each reaction tank in the box body.
The magnetic coagulation pretreatment tank 20 consists of a first magnetic coagulation tank 4, a first flocculation tank 5 and a first inclined plate sedimentation tank 6 which are sequentially communicated through pipelines. The first magnetic coagulation tank 4 is communicated with the regulating tank 3 through a pipeline, and a self-priming pump 13 is arranged on the pipeline. Coagulant and magnetic powder are added into the first magnetic coagulation tank 4, and coagulant aid is added into the first flocculation tank 5. The upper part of the first inclined plate sedimentation tank 6 is communicated with the anoxic reaction tank 7 through a pipeline, and the bottom part of the first inclined plate sedimentation tank is connected with the magnetic separator 12 through a pipeline; all be equipped with agitating unit 11 in first magnetic coagulation pond and the first flocculation basin. An aeration device 16 is arranged in the anoxic reaction tank 7.
The anoxic reaction tank 7 is communicated with the MBR membrane biological reaction tank 8 through a pipeline. The MBR membrane biological reaction tank 8 is internally provided with a membrane component 17 and an aeration device 15, the bottom of the MBR membrane biological reaction tank is provided with a sludge return pipe 18, the sludge return pipe 18 is communicated with the bottom of the anoxic reaction tank 7, and the sludge return pipe 18 returns sludge into the anoxic reaction tank 7 through a return pump.
The MBR membrane biological reaction tank 8 is communicated with the magnetic coagulation advanced treatment tank 21 through a pipeline. The magnetic coagulation advanced treatment tank 21 consists of a second magnetic coagulation tank 23, a second flocculation tank 24 and a second inclined plate sedimentation tank 25 which are sequentially communicated through pipelines. Coagulant and magnetic powder are added into the second magnetic coagulation tank 23, and coagulant aid is added into the second flocculation tank 24. The upper part of the second inclined plate sedimentation tank 25 is communicated with the disinfection tank 9 through a pipeline, and the bottom part is connected with the magnetic separator through a pipeline. And the second magnetic coagulation tank and the second flocculation tank are internally provided with stirring devices 28. An ultraviolet sterilizing lamp 10 is arranged above the sterilizing tank 9, a water outlet pipe 19 is arranged on the wall of the tank, and the water outlet pipe 19 is communicated with the outside through a water outlet 27 at the lower part of the side wall of the right side of the box body 1.
The specific operation flow of the domestic sewage treatment container is as follows: domestic sewage squeezes into equalizing basin 3 through elevator pump 22 earlier in, equalizing basin 3 carries out the regulation of quality of water yield to sewage, rethread self priming pump 13 inhales the domestic sewage in the preliminary treatment pond 22 of magnetic coagulation, the mainly suspended solid of sewage of getting rid of this treatment pond, and be provided with magnetic separator and make magnetic recycling, sewage sedimentation is effectual, sewage gets into oxygen deficiency reaction tank 7 and denitrogenates after that, reentrant MBR biomembrane reaction tank 8, this reaction tank is provided with membrane module 17, oxygen deficiency pond 7 and MBR biomembrane reaction tank 8 bottom all are equipped with aeration system, sewage flows out the back from MBR biomembrane reaction tank 8, get into magnetic coagulation advanced treatment tank 21, this treatment tank can remove the suspended solid in the sewage, total phosphorus, quality index such as total nitrogen, finally, discharge up to standard after disinfection tank sterilization.
The utility model discloses an in environmental protection, go out that the water quality is good, design under the economic theory, combine together magnetism coagulation and biochemical treatment advantage between them to two collections in a container, it is convenient to have the transportation, easy operation, the working costs is low, can fine satisfy domestic sewage treatment's requirement, it can reach GB18918-2002 "town sewage treatment plant pollutant emission standard" one-level A standard and DB 33/2169-.
To sum up, the above is the embodiment of the utility model discloses, and be not used for the restriction the utility model discloses a patent range, all utilize the utility model discloses an equivalent structure or equivalent flow transform of doing within the spirit and the principle all should be included the utility model discloses a within the protection scope.
Claims (8)
1. A domestic sewage treatment container comprises a box body and a domestic sewage treatment system arranged in the box body, wherein a water inlet and a water outlet are formed in the box body, and the domestic sewage treatment container is characterized in that the domestic sewage treatment system comprises a regulating tank, a magnetic coagulation pretreatment tank, an anoxic reaction tank, an MBR (membrane bioreactor) biological membrane reaction tank, a magnetic coagulation advanced treatment tank and a disinfection tank which are sequentially communicated;
the magnetic coagulation pretreatment tank comprises a first magnetic coagulation tank, a first flocculation tank and a first sedimentation tank which are sequentially communicated; the magnetic coagulation advanced treatment tank comprises a second magnetic coagulation tank, a second flocculation tank and a second sedimentation tank which are sequentially communicated; the first magnetic coagulation tank is communicated with the regulating tank, and the first sedimentation tank is communicated with the anoxic reaction tank; the second magnetic coagulation tank is communicated with the MBR biological membrane reaction tank, and the second sedimentation tank is communicated with the disinfection tank;
the water inlet is communicated with the regulating tank, and the water outlet is communicated with the disinfection tank.
2. The domestic sewage treatment container of claim 1 wherein the first magnetic coagulation tank, the first flocculation tank, the second magnetic coagulation tank and the second flocculation tank are each provided with a stirring device.
3. The domestic sewage treatment container of claim 1 wherein the upper portion of said first sedimentation tank is connected to the anoxic reaction tank by a pipeline and the bottom portion is connected to the magnetic separator by a pipeline.
4. The domestic sewage treatment container of claim 1 wherein the second settling tank is connected at its upper portion to the disinfection tank via a pipe and at its bottom portion to the magnetic separator via a pipe.
5. The domestic sewage treatment container of claim 1, wherein the MBR biological membrane reaction tank is provided with a sludge return pipe at the bottom, and the return pipe is communicated with the anoxic reaction tank.
6. The container for domestic sewage treatment according to claim 1, wherein an aeration device is provided in each of the anoxic reaction tank and the MBR biofilm reaction tank.
7. The container for domestic sewage treatment according to claim 1, wherein an ultraviolet efficacy sterilizing lamp is installed above said sterilizing tank.
8. The container for domestic sewage treatment according to claim 1, wherein an openable/closable inlet is provided on a side wall of the container body on the side of said regulating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229875.7U CN209872671U (en) | 2019-02-22 | 2019-02-22 | Domestic sewage treatment container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229875.7U CN209872671U (en) | 2019-02-22 | 2019-02-22 | Domestic sewage treatment container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209872671U true CN209872671U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229875.7U Active CN209872671U (en) | 2019-02-22 | 2019-02-22 | Domestic sewage treatment container |
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| CN (1) | CN209872671U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429910A (en) * | 2020-10-30 | 2021-03-02 | 华北水利水电大学 | Water resource treatment and filtration method and device for water conservancy construction |
| CN114425193A (en) * | 2022-04-06 | 2022-05-03 | 烟台中蓝环境科技有限公司 | Energy-saving reclaimed water recycling and concentrating device |
-
2019
- 2019-02-22 CN CN201920229875.7U patent/CN209872671U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112429910A (en) * | 2020-10-30 | 2021-03-02 | 华北水利水电大学 | Water resource treatment and filtration method and device for water conservancy construction |
| CN112429910B (en) * | 2020-10-30 | 2022-12-06 | 华北水利水电大学 | Water resource treatment and filtration method and device for water conservancy construction |
| CN114425193A (en) * | 2022-04-06 | 2022-05-03 | 烟台中蓝环境科技有限公司 | Energy-saving reclaimed water recycling and concentrating device |
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