CN210620551U - Wastewater treatment system - Google Patents
Wastewater treatment system Download PDFInfo
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- CN210620551U CN210620551U CN201921609499.0U CN201921609499U CN210620551U CN 210620551 U CN210620551 U CN 210620551U CN 201921609499 U CN201921609499 U CN 201921609499U CN 210620551 U CN210620551 U CN 210620551U
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Abstract
The utility model discloses a wastewater treatment system, which comprises a membrane tank, an air supply device, a dosing device and a water pumping device; a water storage tank, an adjusting tank and a biochemical membrane tank are sequentially arranged in the membrane tank from left to right; the biochemical membrane tank is internally provided with activated sludge and a membrane component; the gas supply device is communicated with one end of the membrane component through a first pipeline, and the first pipeline is communicated with a second pipeline extending into the regulating tank; the dosing device and the water pumping device are both communicated with the other end of the membrane component. The utility model discloses set up tank, equalizing basin and biochemical membrane pond in the membrane jar to set up the membrane module in the biochemical membrane pond, handled sewage through the membrane module, solved the problem of rural sewage treatment difficulty effectively.
Description
Technical Field
The utility model relates to a sewage treatment field especially relates to a wastewater treatment system.
Background
China has more than 60 million administrative villages and more than 250 million natural villages, lives nearly 8 hundred million people and lives in more scattered places. Due to the insufficient infrastructure construction of village and town areas in China at present, most rural sewage is directly discharged into peripheral water bodies without being treated, so that the surface and underground water bodies are seriously polluted, meanwhile, certain influence is caused on soil and atmosphere, and the health and safety of human beings, animals and plants are potentially harmed. However, rural sewage is generally discharged in a combined mode, so that the discharge is dispersed and small, the sewage flow and organic load fluctuation are large, and the centralized treatment of the rural sewage has the outstanding problems of difficulty in collection, large investment in pipe network construction, long construction period and the like, so that the rural sewage cannot be properly treated for a long time.
Therefore, it is necessary to design a wastewater treatment system to solve the above problems.
Disclosure of Invention
The utility model aims at providing a wastewater treatment system aiming at the problem of difficult rural wastewater treatment in the prior art.
Realize the utility model discloses the technical scheme of purpose is: a wastewater treatment system comprises a membrane tank, an air supply device, a dosing device and a water pumping device; a water storage tank, an adjusting tank and a biochemical membrane tank are sequentially arranged in the membrane tank from left to right; the biochemical membrane tank is internally provided with activated sludge and a membrane component; the gas supply device is communicated with one end of the membrane component through a first pipeline, and the first pipeline is communicated with a second pipeline extending into the regulating tank; the dosing device and the water pumping device are both communicated with the other end of the membrane component.
The membrane tank has an upper cover; the upper cover is provided with a sewage inlet.
The upper cover is also provided with an access hole.
A three-way valve is arranged on the first pipeline; the second pipeline is communicated with a three-way valve.
The dosing device comprises a dosing barrel communicated with the membrane assembly through a third pipeline; and a dosing valve for controlling dosing flow is arranged on the third pipeline.
A reversing valve is also arranged on the third pipeline between the dosing valve and the membrane component; the water pumping device comprises a water pump communicated with the reversing valve.
The air supply device is an air supply fan.
The method for treating the wastewater by using the wastewater treatment system comprises the following steps:
s1: the wastewater is connected into a water storage tank, so that the wastewater overflows from the water storage tank to an adjusting tank, and then is lifted from the adjusting tank to a biochemical membrane tank;
s2: continuously filling gas from the lower end of the membrane module through a gas supply device;
s3: pumping out the water purified by the membrane module through a water pumping device;
s4: filling gas into the regulating tank through a gas supply device, so that the wastewater in the regulating tank is lifted to a biochemical membrane tank through gas, is subjected to biochemical treatment by activated sludge in the biochemical membrane tank, and is treated by the separation action of a membrane component;
s5: controlling the gas supply device to enable the wastewater in the regulating tank to enter the biochemical membrane tank when needed;
s6: when the membrane module needs to be cleaned, adding a medicament into one end of the membrane module through a medicament adding device to clean the membrane module;
s7: and circularly repeating the steps from S3 to S6, and continuously treating the wastewater.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the utility model discloses set up tank, equalizing basin and biochemical membrane pond in the membrane jar to set up the membrane module in the biochemical membrane pond, handled sewage through the membrane module, solved the problem of rural sewage treatment difficulty effectively.
(2) The utility model discloses set up the upper cover, when burying the membrane jar underground, can prevent that the foreign matter from falling into in the membrane jar.
(3) The utility model discloses set up the access hole at the upper cover, the maintenance in the later stage of being convenient for.
(4) The utility model discloses set up the three-way valve, the pipeline structure has been simplified in the connection of the first pipeline of being convenient for and second pipeline.
(5) The utility model discloses set up the charge valve, control that can be reasonable adds the dose.
(6) The utility model discloses set up the switching-over valve, further simplified the pipeline structure.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings are:
the device comprises a membrane tank 1, a water storage tank 1-1, an adjusting tank 1-2, a biochemical membrane tank 1-3, an upper cover 1-4, a sewage inlet 1-4-1, an access hole 1-4-2, an air supply device 2, a first pipeline 2-1, a second pipeline 2-2, a dosing device 3, a third pipeline 3-1, a dosing barrel 3-2, a dosing valve 3-3, a reversing valve 3-4, a water pumping device 4, a water pumping pump 4-1, a membrane component 5 and a three-way valve 6.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
(example 1)
Referring to fig. 1, the wastewater treatment system of the present embodiment includes a membrane tank 1, a gas supply device 2, a dosing device 3, and a water pumping device 4.
A water storage tank 1-1, an adjusting tank 1-2 and a biochemical membrane tank 1-3 are sequentially arranged in the membrane tank 1 from left to right. The biochemical membrane tank 1-3 is internally provided with activated sludge and a membrane component 5. The gas supply device 2 is communicated with one end of the membrane component 5 through a first pipeline 2-1, and a second pipeline 2-2 extending into the regulating tank 1-2 is communicated with the first pipeline 2-1. The dosing device 3 and the water pumping device 4 are both communicated with the other end of the membrane component 5. Preferably, the air supply device 2 is an air supply fan.
Further, the membrane tank 1 has an upper cover 1-4 capable of preventing foreign materials from falling into the membrane tank 1. The upper cover 1-4 is provided with a sewage inlet 1-4-1, and the sewage inlet 1-4-1 is positioned above the water storage tank 1-1, so that the wastewater can be conveniently accessed.
Furthermore, the upper cover 1-4 is also provided with an access hole 1-4-2, which is convenient for later-stage maintenance.
Further, a three-way valve 6 is arranged on the first pipeline 2-1, and the second pipeline 2-2 is communicated with the three-way valve 6.
Further, the medicine adding device 3 comprises a medicine adding barrel 3-2 which is communicated with the membrane component 5 through a third pipeline 3-1. The third pipeline 3-1 is provided with a dosing valve 3-3 for controlling dosing flow, so that reasonable dosing can be guaranteed.
Furthermore, a reversing valve 3-4 is also arranged on the third pipeline 3-1 between the dosing valve 3-3 and the membrane component 5. The water pumping device 4 comprises a water pump 4-1 communicated with a reversing valve 3-4.
The method for treating wastewater by using the wastewater treatment system comprises the following steps:
s1: the wastewater is connected into a water storage tank 1-1, so that the wastewater overflows from the water storage tank 1-1 to an adjusting tank 1-2, and then is lifted from the adjusting tank 1-2 to a biochemical membrane tank 1-3;
s2: continuously filling gas from the lower end of the membrane module 5 through the gas supply device 2;
s3: pumping out the water purified by the membrane module 5 through the water pumping device 4;
s4: gas is filled into the regulating tank 1-2 through the gas supply device 2, so that the wastewater in the regulating tank 1-2 is lifted to the biochemical membrane tank 1-3, is subjected to biochemical treatment by the activated sludge in the biochemical membrane tank 1-3, and is treated by the separation action of the membrane component 5;
s5: controlling the gas supply device 2 to make the wastewater in the regulating tank 1-2 enter the biochemical membrane tank 1-3 when needed;
s6: when the membrane module 5 needs to be cleaned, adding a medicament into one end of the membrane module 5 through the medicament adding device 3 to clean the membrane module 5;
s7: and circularly repeating the steps from S3 to S6, and continuously treating the wastewater.
The working process of the wastewater treatment system of the embodiment is as follows: firstly, a membrane tank 1 is buried underground, wastewater is connected into a wastewater inlet 1-4-1, the wastewater is filled in a water storage tank 1-1 and then flows into an adjusting tank 1-2, the adjusting tank 1-2 is filled with the wastewater, then the wastewater is aerated into the adjusting tank 1-2 through an air supply device 2, so that the wastewater is air-lifted into a biochemical membrane tank 1-3, after the activated sludge in the biochemical membrane tank 1-3 and a membrane module 5 are treated, one side of the membrane module 5 is concentrated water and the other side is clear water, the air supply device 2 is used for aerating one side of the concentrated water of the membrane module 5, so that the flow speed of the concentrated water is improved, the wastewater treatment effect is improved, then a water suction pump 4-1 is used for pumping out the clear water, when the clear water is pumped out, the air supply device 2 is used for aerating the adjusting tank 1-2, so that the wastewater in the adjusting tank 1-2 flows into the, the wastewater treatment is continuously carried out. In the treatment process, when the membrane module 5 needs to be cleaned, a medicament is added into the membrane module 5 through the medicament adding device 3 for cleaning.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A wastewater treatment system, characterized by: comprises a membrane tank (1), an air supply device (2), a dosing device (3) and a water pumping device (4); a water storage tank (1-1), an adjusting tank (1-2) and a biochemical membrane tank (1-3) are sequentially arranged in the membrane tank (1) from left to right; the biochemical membrane tank (1-3) is internally provided with activated sludge and a membrane component (5); the gas supply device (2) is communicated with one end of the membrane component (5) through a first pipeline (2-1), and a second pipeline (2-2) extending into the regulating tank (1-2) is communicated with the first pipeline (2-1); the dosing device (3) and the water pumping device (4) are both communicated with the other end of the membrane component (5).
2. A wastewater treatment system according to claim 1, characterized in that: the membrane tank (1) is provided with an upper cover (1-4); the upper cover (1-4) is provided with a sewage inlet (1-4-1).
3. A wastewater treatment system according to claim 2, characterized in that: the upper cover (1-4) is also provided with an access hole (1-4-2).
4. A wastewater treatment system according to claim 1, characterized in that: a three-way valve (6) is arranged on the first pipeline (2-1); the second pipeline (2-2) is communicated with a three-way valve (6).
5. A wastewater treatment system according to claim 1, characterized in that: the dosing device (3) comprises a dosing barrel (3-2) communicated with the membrane component (5) through a third pipeline (3-1); and a dosing valve (3-3) for controlling dosing flow is arranged on the third pipeline (3-1).
6. The wastewater treatment system according to claim 5, wherein: a reversing valve (3-4) is also arranged on the third pipeline (3-1) and between the dosing valve (3-3) and the membrane component (5); the water pumping device (4) comprises a water pump (4-1) communicated with the reversing valve (3-4).
7. A wastewater treatment system according to any of claims 1 to 6, characterized in that: the air supply device (2) is an air supply fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921609499.0U CN210620551U (en) | 2019-09-26 | 2019-09-26 | Wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921609499.0U CN210620551U (en) | 2019-09-26 | 2019-09-26 | Wastewater treatment system |
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| Publication Number | Publication Date |
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| CN210620551U true CN210620551U (en) | 2020-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482805A (en) * | 2019-09-26 | 2019-11-22 | 常州宣清环境科技有限公司 | A kind of waste water treatment system and its method for handling waste water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110482805A (en) * | 2019-09-26 | 2019-11-22 | 常州宣清环境科技有限公司 | A kind of waste water treatment system and its method for handling waste water |
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