CN210855541U - Reclaimed water treatment device - Google Patents
Reclaimed water treatment device Download PDFInfo
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- CN210855541U CN210855541U CN201921949495.7U CN201921949495U CN210855541U CN 210855541 U CN210855541 U CN 210855541U CN 201921949495 U CN201921949495 U CN 201921949495U CN 210855541 U CN210855541 U CN 210855541U
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Abstract
The utility model discloses a reclaimed water treatment device, which comprises an inclined plate precipitator, a first water tank, a quartz sand pretreatment filter, a second water tank, an ultrafiltration membrane component, a third water tank, a nanofiltration membrane component, a fourth water tank and a backwashing system; the sewage is treated by the four-stage equipment to obtain four water qualities of different grades, the four water qualities are respectively stored in the four water tanks, the water demands of different purposes can be met, the stepped utilization of the reclaimed water is realized, and the four-stage equipment is provided with an anti-sloping plate blocking device and an ultrafiltration nanofiltration backwashing system, so that the equipment is reliable in operation, energy-saving and environment-friendly.
Description
Technical Field
The utility model particularly relates to a reclaimed water treatment device belongs to water treatment technical field.
Background
With the rapid development of urbanization in China, the consumption demand of water is also increased rapidly, on one hand, serious water shortage is caused in many areas, large hydraulic engineering such as south-to-north water transfer and the like which is not invested by China to be greatly repaired, on the other hand, the amount of sewage generated in cities is also increased rapidly, and the direct discharge can cause environmental deterioration. Therefore, how to reasonably utilize the urban sewage is a very practical problem. The reuse of urban reclaimed water is an effective way in solving the problem of water shortage. Reclaimed water is also called reclaimed water, which means that sewage reaches a certain water quality index after being properly treated, meets certain use requirements, can be beneficially used, and is a name between water feeding tap water and sewage discharging. The treated reclaimed water can be used for various purposes such as urban landscape, landscaping irrigation, road sprinkling, toilet flushing, vehicle cleaning, fire water, industrial cooling water and the like according to different water qualities. The reuse of reclaimed water opens up the second water source for town water supply on the one hand, can reduce the consumption of running water by a wide margin, and on the other hand has solved the pollution problem of sewage to the water source to a certain extent to play the purpose of water economy resource, environmental protection. The existing reclaimed water recycling device has single function and cannot meet the requirement of multiple purposes of reclaimed water.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a reclaimed water treatment device which can produce reclaimed water with different grades and is used for meeting the requirement of multiple purposes of the reclaimed water.
The technical scheme of the utility model is that: a reclaimed water treatment device comprises an inclined plate precipitator, a first water tank, a quartz sand pretreatment filter, a second water tank, an ultrafiltration membrane component, a third water tank, a nanofiltration membrane component, a fourth water tank and a backwashing system; the outlet water of the inclined plate precipitator is connected with a first water tank through a pipeline; the first water tank is connected with the quartz sand pretreatment filter through a pipeline, and a first water pump is arranged on the pipeline; the water outlet of the quartz sand pretreatment filter is connected with a second water tank, the second water tank is connected with the water inlet of the ultrafiltration membrane component through a pipeline, and the pipeline is provided with a second water pump; a purified water outlet of the ultrafiltration membrane component is connected with the third water tank through a pipeline, a first sampling port is arranged on the pipeline, and a concentrated water outlet of the ultrafiltration membrane component is connected with the first water tank through a pipeline; the third water tank is connected with the nanofiltration membrane component through a pipeline, and a third water pump is arranged on the pipeline; the pure water outlet of the nanofiltration membrane component is connected with the fourth water tank through a pipeline, a second sampling port is arranged on the pipeline, and the concentrated water outlet of the nanofiltration membrane component is connected with the third water tank through a pipeline; the backwashing system is connected with a purified water outlet of the ultrafiltration membrane component through a first backwashing pipeline, and a first electromagnetic valve is arranged on the first backwashing pipeline; the backwashing system is connected with a purified water outlet of the nanofiltration membrane component through a second backwashing pipeline, and a second electromagnetic valve is arranged on the second backwashing pipeline; and a vibration device for preventing the inclined plate from being blocked is also arranged in the inclined plate precipitator.
Furthermore, the backwashing system comprises a fourth water pump, a liquid medicine disinfection box and a fifth water pump, the fourth water pump takes water from the fourth water tank, the fifth water pump takes liquid from the liquid medicine disinfection box, and outlets of the fourth water pump and the fifth water pump are communicated with the first backwashing pipeline and the second backwashing pipeline.
Further, the vibrating device is arranged below the inclined plate and comprises a vibrating rod, a vibrating disk and a brush.
Has the advantages that: the utility model discloses a level four equipment such as inclined plate precipitator, quartz sand filter, milipore filter subassembly, nanofiltration membrane subassembly are handled sewage, obtain the quality of water of four different grades to in storing four water tanks respectively, can satisfy the water demand of different usage, realized the step utilization of centering water, and be equipped with and prevent that the swash plate blocks up the device and the hyperfiltration is received and is strained backwash system, equipment operation is reliable, and is energy-concerving and environment-protective, is worth promoting.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic structural diagram of the vibration device.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a reclaimed water treatment device comprises an inclined plate precipitator 0, a first water tank 1, a quartz sand pretreatment filter 3, a second water tank 4, an ultrafiltration membrane module 5, a third water tank 6, a nanofiltration membrane module 8, a fourth water tank 9 and a backwashing system; the outlet water of the inclined plate precipitator 0 is connected with the first water tank 1 through a pipeline; the first water tank 1 is connected with the quartz sand pretreatment filter 3 through a pipeline, and a first water pump 2 is arranged on the pipeline; the water outlet of the quartz sand pretreatment filter 3 is connected with the second water tank 4, the second water tank 4 is connected with the water inlet of the ultrafiltration membrane component 5 through a pipeline, and a second water pump 41 is arranged on the pipeline; a purified water outlet of the ultrafiltration membrane component 5 is connected with the third water tank 6 through a pipeline, a first sampling port 17 is arranged on the pipeline, and a concentrated water outlet of the ultrafiltration membrane component 5 is connected with the first water tank 1 through a pipeline; the third water tank 6 is connected with the nanofiltration membrane component 8 through a pipeline, and a third water pump 7 is arranged on the pipeline; a purified water outlet of the nanofiltration membrane component 8 is connected with the fourth water tank 9 through a pipeline, a second sampling port 18 is arranged on the pipeline, and a concentrated water outlet of the nanofiltration membrane component 8 is connected with the third water tank 6 through a pipeline; the backwashing system comprises a fourth water pump 10, a liquid medicine disinfection tank 11 and a fifth water pump 12, wherein the fourth water pump 10 takes water from a fourth water tank 9, the fifth water pump 12 takes liquid from the liquid medicine disinfection tank 11, and outlets of the fourth water pump 10 and the fifth water pump 12 are communicated with a first backwashing pipeline 15 and a second backwashing pipeline 16; the backwashing system is connected with a clean water outlet of the ultrafiltration membrane component through a first backwashing pipeline 15, and a first electromagnetic valve 13 is arranged on the first backwashing pipeline 15; the backwashing system is connected with a purified water outlet of the nanofiltration membrane component through a second backwashing pipeline 16, and a second electromagnetic valve 14 is arranged on the second backwashing pipeline 16; still be provided with the vibrating device 30 that prevents the swash plate and block up in the inclined plate precipitator 0, vibrating device sets up the below at the swash plate, including vibrating arm 301, vibration dish 302, brush 303, and vibrating device can prevent the jam of sediment to the swash plate under the impact drive of rivers of intaking.
The working process of the device is as follows: urban sewage enters an inclined plate precipitator 0 after being flocculated by a preceding stage, large-particle pollutants are preliminarily precipitated under the precipitation action of an inclined plate, upper clear water enters a first water tank 1, and water at the moment contains a large amount of nutrients and can be used for general landscaping irrigation; or can be pumped into the quartz sand filter 3 by the first water pump 2 for filtering,
enters a second water tank 4, and the water at the moment can be used for garden irrigation, landscape water, fire-fighting water and the like; or enters the ultrafiltration membrane component 5 through the second water pump 41, the purified water after ultrafiltration is detected to be qualified by the sampling device 17 and then is injected into the third water tank 6 for standby, and the water at the moment can be used for flushing a building toilet, cleaning a road, cleaning a vehicle and the like. The concentrated water generated by the ultrafiltration membrane component 5 flows back to the first water tank 1 for further utilization. The ultrafiltration water enters the water inlet at the bottom of the nanofiltration membrane component 8 through the third water pump 7, after being filtered by the nanofiltration membrane component, the purified water is collected through the purified water outlet and then enters the fourth water tank 9, the purity of the water is high at the moment and can be directly used as industrial cooling water and the like, and the concentrated water generated by the nanofiltration membrane component flows back to enter the third water tank 6 to realize secondary utilization, so that the echelon utilization of the reclaimed water is completed. When the ultrafiltration membrane component and the nanofiltration membrane component need to be backwashed for maintenance, the fourth water pump 10 is opened to pump nanofiltration water, the fifth water pump 12 is opened to pump chemical cleaning disinfectant, the first electromagnetic valve 13 and the second electromagnetic valve 14 are opened, the chemical cleaning disinfectant respectively enters the ultrafiltration membrane component 5 and the nanofiltration membrane component 8 through the first backwashing pipeline 15 and the second backwashing pipeline 16, and pollutants are discharged through respective concentrated water outlets, so that the maintenance and cleaning of the ultrafiltration membrane component and the nanofiltration membrane component can be realized.
Claims (3)
1. A reclaimed water treatment device is characterized in that: the device comprises an inclined plate precipitator, a first water tank, a quartz sand pretreatment filter, a second water tank, an ultrafiltration membrane component, a third water tank, a nanofiltration membrane component, a fourth water tank and a backwashing system; the outlet water of the inclined plate precipitator is connected with a first water tank through a pipeline; the first water tank is connected with the quartz sand pretreatment filter through a pipeline, and a first water pump is arranged on the pipeline; the water outlet of the quartz sand pretreatment filter is connected with a second water tank, the second water tank is connected with the water inlet of the ultrafiltration membrane component through a pipeline, and the pipeline is provided with a second water pump; a purified water outlet of the ultrafiltration membrane component is connected with the third water tank through a pipeline, a first sampling port is arranged on the pipeline, and a concentrated water outlet of the ultrafiltration membrane component is connected with the first water tank through a pipeline; the third water tank is connected with the nanofiltration membrane component through a pipeline, and a third water pump is arranged on the pipeline; the pure water outlet of the nanofiltration membrane component is connected with the fourth water tank through a pipeline, a second sampling port is arranged on the pipeline, and the concentrated water outlet of the nanofiltration membrane component is connected with the third water tank through a pipeline; the backwashing system is connected with a purified water outlet of the ultrafiltration membrane component through a first backwashing pipeline, and a first electromagnetic valve is arranged on the first backwashing pipeline; the backwashing system is connected with a purified water outlet of the nanofiltration membrane component through a second backwashing pipeline, and a second electromagnetic valve is arranged on the second backwashing pipeline; and a vibration device for preventing the inclined plate from being blocked is also arranged in the inclined plate precipitator.
2. A reclaimed water treatment apparatus according to claim 1, characterized in that: the backwashing system comprises a fourth water pump, a liquid medicine disinfection box and a fifth water pump, the fourth water pump takes water from the fourth water tank, the fifth water pump takes liquid from the liquid medicine disinfection box, and outlets of the fourth water pump and the fifth water pump are communicated with the first backwashing pipeline and the second backwashing pipeline.
3. A reclaimed water treatment apparatus according to claim 1, characterized in that: the vibrating device is arranged below the inclined plate and comprises a vibrating rod, a vibrating disk and a brush.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949495.7U CN210855541U (en) | 2019-11-13 | 2019-11-13 | Reclaimed water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921949495.7U CN210855541U (en) | 2019-11-13 | 2019-11-13 | Reclaimed water treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855541U true CN210855541U (en) | 2020-06-26 |
Family
ID=71291007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921949495.7U Active CN210855541U (en) | 2019-11-13 | 2019-11-13 | Reclaimed water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210855541U (en) |
-
2019
- 2019-11-13 CN CN201921949495.7U patent/CN210855541U/en active Active
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