CN211644982U - Sewage treatment biomembrane filtration equipment - Google Patents
Sewage treatment biomembrane filtration equipment Download PDFInfo
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- CN211644982U CN211644982U CN201922405892.4U CN201922405892U CN211644982U CN 211644982 U CN211644982 U CN 211644982U CN 201922405892 U CN201922405892 U CN 201922405892U CN 211644982 U CN211644982 U CN 211644982U
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Abstract
The utility model discloses a sewage treatment biomembrane filtering device, which corresponds to a sewage pool and comprises a first filtering device arranged in the sewage pool, wherein a water outlet hole is arranged at the position close to the first filtering device and communicated with an external pipeline; the pipeline is sequentially provided with a water quality monitor, a micro-filtration pipe, a multi-stage biomembrane filtration system, a water quality monitor and a purified water backflow control device, and the purified water backflow control device is communicated on the pipeline between the micro-filtration pipe and the multi-stage biomembrane filtration system through the pipeline. The utility model relates to a rationally, little filter tube, multistage biomembrane filtration system do not have the energy consumption, great reduction the sewage purification cost, accord with the market demand, be suitable for the popularization.
Description
Technical Field
The utility model belongs to the sewage treatment device field, more specifically say, relate to a sewage treatment biomembrane filtration equipment.
Background
For a long time, a centralized urban sanitation system has played a leading role in improving water environment, but some scholars seem to be far from sustainable systems, and for developing countries, a high-efficiency, low-consumption and intensive biological membrane treatment system is a main direction for the development of a future decentralized domestic sewage treatment process. In China, due to shortage of water resources and aggravation of water pollution, distributed domestic sewage treatment and recycling systems are gradually popularized and applied. However, the currently adopted process still has the defects of high investment, inconvenient operation and maintenance and the like, so that the development of a distributed domestic sewage treatment process which is suitable for the national conditions of China, high in efficiency and low in consumption is urgently needed.
In recent years, the MBR process is gradually applied to a small-scale distributed sewage treatment and recycling system, but the MBR process has a problem of applicability due to the limitation of economic conditions and objects of use. The biological membrane filtering process has multiple functions of adsorption, biological oxidation, filtration and the like, simultaneously does not need sludge backflow, and has the advantages of small occupied area, stable operation, investment saving and the like. BAF is applied more in the treatment of small-scale domestic sewage in China, but has strict requirements on inlet water SS, physicochemical pretreatment is usually required, and the BAF generally adopts a fixed bed form and has the defects of large head loss, easiness in blockage, frequent back flushing and the like, so that the application of the BAF in the treatment of small-scale domestic sewage is limited.
In order to overcome the defects of the traditional biomembrane filtration technology, a sewage treatment biomembrane filtration device is developed, a multistage biomembrane filtration technology is adopted as the treatment process of the device, and the research on the running characteristic of domestic sewage treatment is developed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a sewage treatment biomembrane filtration equipment, reasonable in design, little filter tube and multistage biomembrane filtration system do not have the energy consumption, great reduction the sewage purification cost, accord with the market demand, be suitable for the popularization.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a sewage treatment biomembrane filtration device corresponds to a sewage pool, and is characterized in that: the sewage treatment device comprises a first filtering device arranged in a sewage tank, wherein a water outlet hole is formed in the position close to the first filtering device and communicated with an external pipeline; the pipeline is sequentially provided with a water quality monitor, a micro-filtration pipe, a multi-stage biomembrane filtration system, a water quality monitor and a purified water backflow control device, and the purified water backflow control device is communicated on the pipeline between the micro-filtration pipe and the multi-stage biomembrane filtration system through the pipeline.
As an optimized technical scheme, the first filtering device is a filtering net vertically installed in the sewage tank, and the area of the filtering net is the same as the sectional area of the sewage tank.
As an optimized technical scheme, the multistage biomembrane filtration system comprises a shell, wherein a filtration column a, a filtration column b and a filtration column c which are sequentially communicated through a pipeline are arranged in the shell; the filter column a is communicated with the micro filter pipe outside the shell through a pipeline, the filter column c is communicated with a water outlet groove in the shell through a pipeline, and the water outlet groove is communicated with an external purified water backflow control device through a pipeline.
As an optimized technical scheme, the purified water backflow control device is a three-way valve and an electric actuator matched with the three-way valve.
As an optimized technical scheme, the filter column a comprises a column body made of organic glass, and filter filler is filled in the column body; two automatic switches are arranged on the filter column a.
As an optimized technical scheme, the filter column b comprises a column body made of organic glass, and filter filler is filled in the column body; two automatic switches are arranged on the filter column b.
As an optimized technical scheme, the filter column c comprises a column body made of organic glass, and filter filler is filled in the column body; and an automatic switch is arranged on the filter column c.
As an optimized technical scheme, the automatic switch, the water quality monitor and the electric actuator matched with the three-way valve are connected with a controller through electric wires.
As an optimized technical scheme, the controller adopts a PLC.
Since the technical scheme is used, compare with prior art, the utility model relates to a rationally, the filter screen of last one-level flows in the multistage biomembrane filtration system of next stage after coarse filtration purification through the micro-filtration pipe is concentrated, through concentrated purification back many times, assurance purification efficiency that can the at utmost, micro-filtration pipe, multistage biomembrane filtration system do not have the energy consumption simultaneously, great reduction the sewage purification cost, accord with the market demand, be suitable for the popularization.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a multi-stage biofilm filtration system according to an embodiment of the present invention.
Detailed Description
Examples
As shown in fig. 1-2, a sewage treatment biomembrane filtering device, corresponding to a sewage tank 1, comprises a first filtering device 6 arranged in the sewage tank 1, a water outlet hole is arranged near the first filtering device 6, and the water outlet hole is communicated with an external pipeline 2. The first filtering device 6 is a filter screen vertically installed in the sewage tank, and the area of the filter screen is the same as the sectional area of the sewage tank.
The pipeline 2 is sequentially provided with a water quality monitor 3, a micro-filtration pipe 4, a multi-stage biomembrane filtration system, a water quality monitor and a purified water backflow control device, and the purified water backflow control device is communicated on the pipeline 2 between the micro-filtration pipe 4 and the multi-stage biomembrane filtration system through a pipeline.
The multi-stage biomembrane filtering system comprises a shell, wherein a filtering column a7, a filtering column b14 and a filtering column c15 which are sequentially communicated through pipelines are arranged in the shell. The filter column a7 is communicated with the micro-filter pipe 4 outside the shell through a pipeline, the filter column c is communicated with the water outlet groove 12 inside the shell through a pipeline, and the water outlet groove 12 is communicated with an external purified water reflux control device through a pipeline. The filtering column a comprises a column body made of organic glass, and filtering filler is filled in the column body. Two automatic switches are arranged on the filter column a. The filtering column b comprises a column body made of organic glass, and filtering filler is filled in the column body. Two automatic switches 7 are arranged on the filter column b. The filter column c15 comprises a column 8 made of organic glass, and filter filler 9 is filled in the column. And an automatic switch is arranged on the filter column c. The filtering filler is spherical light haydite filter material, and the column is made of organic glass and has anticorrosive effect.
The purified water backflow control device 16 is a three-way valve and an electric actuator matched with the three-way valve.
The automatic switch, the water quality monitor and the electric actuator matched with the three-way valve are connected with a controller through electric wires. The controller adopts a PLC.
The water outlet pipeline of the multi-stage biomembrane filtering system is connected with a water quality monitor, the pipeline of the water outlet of the water quality monitor is connected with a purified water reflux control device, and the water quality monitor is connected to a PLC through a wire. The water quality information is directly fed back to the PLC, the water quality reaches the standard, the water outlet of the water purification direct backflow control device flows out, and if the water quality does not reach the standard, the water purification backflow control device directly conveys the water which does not reach the standard back to the multistage biomembrane filtration system through a pipeline to be purified again.
PLC, three-way valve and electric actuator and two water quality monitoring wares in this patent all are common equipment on the market, belong to the purchase, so relation of connection and theory of operation belong to prior art, no longer give unnecessary details. The automatic switch adopts an electromagnetic valve and is also an existing product, and the connection relation and the working principle belong to the prior art and are not described any more.
The utility model relates to a rationally, the filter screen of last one-level flows in the multistage biomembrane filtration system of next-level after coarse filtration purification through the micro-filtration pipe is concentrated, through concentrated purification back many times, can furthest's assurance purification efficiency, and micro-filtration pipe, multistage biomembrane filtration system do not have the energy consumption simultaneously, great reduction the sewage purification cost, accord with the market demand, are suitable for the popularization.
The utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongings the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A sewage treatment biomembrane filtration device corresponds to a sewage pool, and is characterized in that: the sewage treatment device comprises a first filtering device arranged in a sewage tank, wherein a water outlet hole is formed in the position close to the first filtering device and communicated with an external pipeline; the pipeline is sequentially provided with a water quality monitor, a micro-filtration pipe, a multi-stage biomembrane filtration system, a water quality monitor and a purified water backflow control device, and the purified water backflow control device is communicated on the pipeline between the micro-filtration pipe and the multi-stage biomembrane filtration system through the pipeline.
2. The sewage treatment biofilm filtration device of claim 1, wherein: the first filtering device is a filter screen vertically installed in the sewage tank, and the area of the filter screen is the same as the sectional area of the sewage tank.
3. The sewage treatment biofilm filtration device of claim 2, wherein: the multistage biomembrane filtering system comprises a shell, wherein a filtering column a, a filtering column b and a filtering column c which are sequentially communicated through a pipeline are arranged in the shell; the filter column a is communicated with the micro filter pipe outside the shell through a pipeline, the filter column c is communicated with a water outlet groove in the shell through a pipeline, and the water outlet groove is communicated with an external purified water backflow control device through a pipeline.
4. The sewage treatment biofilm filtration device of claim 3, wherein: the purified water backflow control device is a three-way valve and an electric actuator matched with the three-way valve.
5. The sewage treatment biofilm filtration device of claim 4, wherein: the filtering column a comprises a column body made of organic glass, and filtering filler is filled in the column body; two automatic switches are arranged on the filter column a.
6. The sewage treatment biofilm filtration device of claim 5, wherein: the filtering column b comprises a column body made of organic glass, and filtering filler is filled in the column body; two automatic switches are arranged on the filter column b.
7. The sewage treatment biofilm filtration device of claim 6, wherein: the filtering column c comprises a column body made of organic glass, and filtering filler is filled in the column body; and an automatic switch is arranged on the filter column c.
8. The sewage treatment biofilm filtration device of claim 7, wherein: the automatic switch, the water quality monitor and the electric actuator matched with the three-way valve are connected with a controller through electric wires.
9. The sewage treatment biofilm filtration device of claim 8, wherein: the controller adopts a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405892.4U CN211644982U (en) | 2019-12-28 | 2019-12-28 | Sewage treatment biomembrane filtration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922405892.4U CN211644982U (en) | 2019-12-28 | 2019-12-28 | Sewage treatment biomembrane filtration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211644982U true CN211644982U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922405892.4U Active CN211644982U (en) | 2019-12-28 | 2019-12-28 | Sewage treatment biomembrane filtration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211644982U (en) |
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2019
- 2019-12-28 CN CN201922405892.4U patent/CN211644982U/en active Active
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