CN211621803U - Full-quantity filtering system for secondary water supply - Google Patents
Full-quantity filtering system for secondary water supply Download PDFInfo
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- CN211621803U CN211621803U CN201922272961.9U CN201922272961U CN211621803U CN 211621803 U CN211621803 U CN 211621803U CN 201922272961 U CN201922272961 U CN 201922272961U CN 211621803 U CN211621803 U CN 211621803U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Abstract
The utility model discloses a full filtration system for secondary water supply, including setting up the water tank in the underground, characteristics are: be provided with water supply bypass and at least a set of filter unit between the water inlet of municipal water pipeline and water tank, the water inlet of municipal water pipeline and water tank is connected respectively at the both ends of water supply bypass, every filter unit of group includes fiber filter, water purification pipeline and air water recoil pipeline, fiber filter's water inlet and municipal water pipeline are connected, fiber filter's export after the filtration is passed through the water purification pipeline and is connected with the water inlet of water tank, fiber filter's washing water entry passes through air water recoil pipeline and municipal water pipeline or is connected with the lower extreme of water tank, the delivery port of water tank is connected with each user's water supply pipeline after the booster pump pressure boost, the advantage is: can carry out the total filtration to secondary water supply system, get rid of the secondary pollutant to can carry out the back flush to filtration equipment automatically, do not influence the normal secondary water supply to the user simultaneously.
Description
Technical Field
The utility model relates to a town and country secondary water supply field especially relates to a full filtration system for secondary water supply.
Background
The safety guarantee of drinking water is closely related to the life health of people and the sustainable development of economic society, and is an important mark of the development level of modern cities and the quality of life of urban and rural residents. At present, tap water treated by a water plant can generally reach the national drinking water sanitary standard, but a huge underground pipe network system is like a large-scale reactor, and a lot of water quality problems mainly occur in the intermediate links between the water plant and the water faucet of each household. On one hand, the problems of aging and corrosion of pipeline materials, leakage of joint points of water pipes, falling of coatings on the inner wall of metal pipelines and the like are caused by substances which are main sources of secondary pollution, wherein the secondary pollutants of the municipal pipe network mainly comprise metal corrosion products, soluble organic matters, mud and sand suspended matters mixed into the pipe network and the like. On the other hand, when water supply equipment such as a water pump and a water tank is used for secondary water supply, the problem of pollution is easily caused due to poor management or untimely maintenance, and the safety of domestic water is affected.
In addition, the problem of contamination of secondary water supplies is widespread, multiple and uncertain. Because the central urban area scope is continuously enlarged, the work load of old pipe transformation is big, the construction degree of difficulty is high, operations such as cutting off the water supply and takeover are big to the water supply system disturbance, consequently can't thoroughly clear up the underground water supply pipe network for the "secondary pollution" problem of running water in the transportation process does not fundamentally obtain solving, still has the gap between city running water quality of residence and people's life demand. Especially when the water supply network is stopped because of maintenance and cleaning, the disturbance to the secondary water supply system is increased, which can cause water quality pollution in a periodical or sudden water supply and seriously affect the water supply of regional users.
Disclosure of Invention
In order to solve the deficiencies existing in the prior art, the utility model provides a full filtration system for secondary water supply can carry out automatic full filtration to secondary water supply system's quality of water, gets rid of the secondary pollutant to can carry out the back flush to filtration equipment in proper time is automatic, not influence the normal secondary water supply to the user simultaneously.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a full filtration system for secondary water supply, is including setting up the water tank in the underground, the water inlet and the municipal water piping connection of water tank, the delivery port and the booster pump of water tank be connected, through the booster pump pressure boost after be connected with each user's water supply pipeline, municipal water piping with the water inlet of water tank between be provided with water supply bypass and at least a set of filter unit, the both ends of water supply bypass connect respectively municipal water piping with the water inlet of water tank, every group the filter unit include fiber filter, water purification pipeline and air water recoil pipeline, fiber filter's water inlet with municipal water piping connection, fiber filter's the export of straining pass through water purification pipeline with the water inlet of water tank be connected, fiber filter's washing water entry pass through air water recoil pipeline with municipal water piping or with the lower extreme of water tank be connected, municipal administration water pipeline on be provided with first valve, the water supply by-pass on be provided with the second valve, fiber filter's water inlet before be provided with the third valve, the water purification pipeline on be provided with the fourth valve, the air water recoil pipeline on be provided with the fifth valve.
In some embodiments, one end of the gas-water backflushing pipeline is connected with a cleaning water inlet of the fiber filter, the other end of the gas-water backflushing pipeline is connected with the lower end or the bottom end of the water tank, and a backflushing pump is arranged on the gas-water backflushing pipeline. Therefore, the fiber filter can be conveniently backwashed by utilizing the water stored in the water tank.
In some embodiments, each set of filter units includes an air compressor, an air outlet of the air compressor is connected to an air inlet of the fiber filter, and a wash water outlet of the fiber filter is connected to an external sump. Through setting up air compressor, open air compressor and ventilate in the fiber filter during back flush, realize that gas, hydration are washed, can further improve the cleaning performance of fiber filter material.
In some embodiments, a plurality of sets of the filtering units are arranged according to the actual water demand of the cell, and the plurality of sets of the filtering units are arranged in parallel and must be used simultaneously. Therefore, the water treatment capacity of the secondary water supply system can be increased, and the actual water quantity demand of each community can be met.
In some embodiments, the purified water pipeline is provided with a flow detection device for detecting the flow of the purified water pipeline, and the flow detection device is connected with the control device. The structure controls the opening and closing of the electromagnetic valve by detecting the low-level flow, thereby realizing the back flushing of the fiber filter, and can also realize the state switching by setting specific time according to different places and requirements.
In some embodiments, the municipal water pipeline is provided with a first pressure detector for measuring water pressure, the purified water pipeline is provided with a second pressure detector for measuring water pressure, and the first pressure detector and the second pressure detector are both connected with the control device. The back flushing time is determined by detecting the pressure difference change between the filtering inlet and the filtering outlet of the system to judge whether the fiber filter is blocked, when the control device receives a signal of pressure difference increase, the back flushing state is entered, and after the back flushing, the pressure difference between the filtered water inlet and the filtered water outlet is restored to be within a normal range, and the system continues to work.
In some embodiments, the filter material of the fiber filter is polypropylene, polyester or synthetic fiber, the length of the filter material is 100-150 cm, and the water filtration amount of the fiber filter is 30-60 m3H is used as the reference value. Thereby having more stable secondary water supply purification effect.
In some embodiments, a UV ultraviolet lamp for disinfection is arranged in the water tank in a submerged mode. Whereby the stored water in the water tank can be further purified.
In some embodiments, the first valve, the second valve, the third valve, the fourth valve and the fifth valve are all solenoid valves, and the solenoid valves are connected with the control device.
Compared with the prior art, the utility model has the advantages of: the municipal tap water entering the district secondary water supply pump room is subjected to full filtration and purification by adopting a full filtration mode, the filtration unit comprising the fiber filter is arranged at the front end of the water tank, the water pressure of the municipal water is fully utilized, so that the water entering the district is purified by the fiber filter before being extracted, flows into the water tank and is finally sent into the household of each household by the booster pump. According to the pollution condition of the filter material of the fiber filter, municipal water or water stored in a water tank can be used for carrying out reverse flushing or replacing the fiber filter material on the fiber filter through a backflushing pipeline. This system is when improving secondary water supply quality of water, is convenient for in time, swiftly rinse fiber filter, and this system can self-closing processing system when wasing or when emergent emergency appears in addition, realizes the normal water supply of user through the water supply bypass, does not influence and carries out normal secondary water supply to the user.
Drawings
Fig. 1 is a process flow diagram of an embodiment of the full-scale filtration system for secondary water supply of the present invention.
The device comprises a water tank 1, a municipal water pipeline 2, a booster pump 3, a secondary water supply pipeline 4, a water supply bypass 5, a filtering unit 6, a fiber filter 7, a water purification pipeline 8, a gas-water backflushing pipeline 9, a first valve 10, a second valve 11, a third valve 12, a fourth valve 13, a fifth valve 14, a backflushing pump 15, an air compressor 16, a first pressure detector 17 and a second pressure detector 18.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, but the present invention is not limited thereto.
Example one
As shown in the figure, the full-scale filtration system for secondary water supply comprises a water tank 1 arranged underground, wherein a water inlet of the water tank 1 is connected with a municipal water pipeline 2, a water outlet of the water tank 1 is connected with a booster pump 3 and then is connected with a secondary water supply pipeline 4 of each user after being boosted by the booster pump 3, a water supply bypass 5 and at least one group of filtration units 6 are arranged between the municipal water pipeline 2 and the water inlet of the water tank 1, two ends of the water supply bypass 5 are respectively connected with the water inlets of the municipal water pipeline 2 and the water tank 1, each group of filtration units 6 comprises a fiber filter 7, a water purification pipeline 8 and a gas-water back-flushing pipeline 9, the water inlet of the fiber filter 7 is connected with the municipal water pipeline 2, the filtered outlet of the fiber filter 7 is connected with the water inlet of the water tank 1 through the water purification pipeline 8, the cleaning water inlet of the fiber filter, the municipal water pipeline 2 is provided with a first valve 10, the water supply bypass 5 is provided with a second valve 11, a third valve 12 is arranged in front of the water inlet of the fiber filter 7, the water purification pipeline 8 is provided with a fourth valve 13, and the air-water backflushing pipeline 9 is provided with a fifth valve 14.
Example two
The embodiment provides a full-scale filtering system for secondary water supply, which improves the arrangement of a gas-water back flushing pipeline 9 on the basis of the first embodiment. In this embodiment, one end of the gas-water back flushing pipeline 9 is connected with the cleaning water inlet of the fiber filter 7, the other end is connected with the lower end or the bottom end of the water tank 1, and a back flushing pump 15 is arranged on the gas-water back flushing pipeline 9. Therefore, the fiber filter can be conveniently backwashed by utilizing the water stored in the water tank.
EXAMPLE III
The present embodiment proposes a full-volume filtration system for secondary water supply, which improves the structure of the filtration unit 6 based on the first or second embodiment. In this embodiment, the filter unit 6 includes an air compressor 16, an air outlet of the air compressor 16 is connected to an air inlet of the fiber filter 7, and a washing water outlet of the fiber filter 7 is connected to an external sewage tank. Through setting up air compressor, realize that gas, hydration are washed, can improve the cleaning performance of fibre filter material.
In this embodiment, two sets of filter units 6 are provided, and in other embodiments, one or more sets of filter units 6 may be provided, and the sets of filter units 6 are connected in parallel and run synchronously. Therefore, the water treatment capacity of the secondary water supply system can be increased, and the actual water quantity demand of each community can be met. On the other hand, the synchronous operation and the back flushing can keep the fiber filter in a good using state all the time.
Example four
The present embodiment provides a full-scale filtration system for secondary water supply, which is further defined by the timing of backwashing of the fiber filter based on the third embodiment. In this embodiment, the municipal water pipe 2 is provided with a first pressure detector 17 for measuring the water pressure, the clean water pipe is provided with a second pressure detector 18 for measuring the water pressure, and both the first pressure detector 17 and the second pressure detector 18 are connected to the control device. The back flushing time is determined by detecting the pressure difference change between the filtering inlet and the filtering outlet of the system to judge whether the fiber filter is blocked, when the control device receives a signal of pressure difference increase, the back flushing state is entered, and after the back flushing, the pressure difference between the filtered water inlet and the filtered water outlet is restored to be within a normal range, and the system continues to work.
In other embodiments, a flow detection mode may be adopted, and a flow detection device for detecting the amount of flow in the clear water pipeline 8 is arranged on the clear water pipeline 8, and the flow detection device is connected with the control device. The electromagnetic valve is controlled to be opened and closed by detecting the low-level flow, so that the back flushing of the fiber filter is realized. In other embodiments, the state switching can be realized by setting specific time according to different places and requirements.
In the above structure, the first valve 10, the second valve 11, the third valve 12, the fourth valve 13 and the fifth valve 14 are all electromagnetic valves, and the electromagnetic valves are electrically connected with the control device. Therefore, automatic operation can be realized, and the control modes all adopt the conventional technology. In other embodiments, a manual valve or the like may be used.
EXAMPLE five
The present embodiment provides a full-scale filtration system for secondary water supply, which is further defined by the fiber filter based on the third embodiment. In this embodiment, the filter material of the fiber filter 7 is polypropylene, polyester or synthetic fiber, or other polymer material with water-related license, the length is 100-150 cm, and the water filtration amount of the fiber filter 7 is 30-60 m3/h。
EXAMPLE six
The present embodiment proposes a full-scale filtration system for secondary water supply, which further improves the structure of the water tank 1 on the basis of the third embodiment. In this embodiment, a UV ultraviolet lamp for sterilization is immersed in the water tank 1.
The utility model discloses a full filtration system for secondary water supply, its theory of operation as follows: when the water purifier works normally, the first valve, the third valve and the fourth valve are opened, the second valve and the fifth valve are closed, municipal water is filtered by the fiber filter to remove secondary pollutants, and high-quality water enters the water tank through the purified water pipeline to be stored and supplies water for each user secondarily. When the fiber filter needs to be cleaned, the first valve, the second valve and the fifth valve are opened, the third valve and the fourth valve are closed, the backwashing process is carried out, the water flow reversely flows into the fiber filter automatically under the action of the water pressure in a pipeline or in a mode of installing a pump, the fiber layer is reversely flushed, and more preferably, the air compressor is arranged, so that the gas and water washing is realized, and the cleaning effect of the fiber filter material is improved. The utility model discloses a filtration system when wasing or when the emergent emergency appears, can self-closing processing system, realize the normal water supply of user through the bypass that supplies water, do not influence daily life.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and the present invention can also be modified in materials and structures, or replaced by technical equivalents. Therefore, all structural equivalents which may be made by applying the present invention to the specification and drawings, or by applying them directly or indirectly to other related technical fields, are intended to be encompassed by the present invention.
Claims (9)
1. The utility model provides a full filtration system for secondary water supply, is including setting up the water tank in the underground, the water inlet and the municipal water pipeline of water tank be connected, the delivery port and the booster pump of water tank be connected, through the booster pump pressure boost after be connected with each user's water supply pipeline, its characterized in that municipal water pipeline with the water inlet of water tank between be provided with water supply bypass and at least a set of filter unit, the both ends of water supply bypass connect respectively municipal water pipeline with the water inlet of water tank, every group filter unit include fiber filter, water purification pipeline and air water recoil pipeline, fiber filter's water inlet with municipal water pipeline connect, fiber filter's after-filtration export pass through water purification pipeline with the water inlet of water tank connect, fiber filter's washing water inlet pass through air water recoil pipeline with municipal water pipeline or with water pipeline The lower extreme of case is connected, municipal administration water pipeline on be provided with first valve, the water supply by-pass on be provided with the second valve, fiber filter's water inlet before be provided with the third valve, the water purification pipeline on be provided with the fourth valve, the air water recoil pipeline on be provided with the fifth valve.
2. The full-scale filtration system for secondary water supply according to claim 1, wherein one end of the gas-water back flushing pipeline is connected with a cleaning water inlet of the fiber filter, the other end of the gas-water back flushing pipeline is connected with the lower end or the bottom end of the water tank, and a back flushing pump is arranged on the gas-water back flushing pipeline.
3. The full capacity filtration system for secondary water supply of claim 1 or 2, wherein each set of said filtration units comprises an air compressor, an air outlet of said air compressor is connected to an air inlet of said fiber filter, and a wash water outlet of said fiber filter is connected to an external sewage tank.
4. The system according to claim 1, wherein a plurality of said filter units are installed according to actual water demand of a community, and a plurality of said filter units are installed in parallel and must be used simultaneously.
5. The total volume filter system for secondary water supply as claimed in claim 3, wherein said clean water pipe is provided with a flow rate detecting means for detecting the amount of flow rate in said clean water pipe, said flow rate detecting means being connected to said control means.
6. The full-scale filtration system for secondary water supply according to claim 3, wherein said municipal water line is provided with a first pressure detector for measuring water pressure, said clean water line is provided with a second pressure detector for measuring water pressure, and said first pressure detector and said second pressure detector are connected to said control unit.
7. The total amount filtering system for secondary water supply as claimed in claim 3, wherein the filter material of the fiber filter is polypropylene, polyester or synthetic fiber, the length is 100-150 cm, and the filtered water amount of the fiber filter is 30-60 m3/h。
8. The full volume filtration system for secondary water supply of claim 3, wherein said water tank is provided with UV lamp for disinfection.
9. The full filter system for secondary water supply according to claim 5 or 6, wherein said first valve, said second valve, said third valve, said fourth valve and said fifth valve are all solenoid valves, and said solenoid valves are connected to said control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272961.9U CN211621803U (en) | 2019-12-17 | 2019-12-17 | Full-quantity filtering system for secondary water supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272961.9U CN211621803U (en) | 2019-12-17 | 2019-12-17 | Full-quantity filtering system for secondary water supply |
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| CN211621803U true CN211621803U (en) | 2020-10-02 |
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| CN201922272961.9U Active CN211621803U (en) | 2019-12-17 | 2019-12-17 | Full-quantity filtering system for secondary water supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275854A (en) * | 2021-10-29 | 2022-04-05 | 珠海格力电器股份有限公司 | Positive and negative flushing water purification system and control method thereof |
| CN114644419A (en) * | 2021-01-10 | 2022-06-21 | 深圳欧特海洋科技有限公司 | Heat exchange system, data cabin and underwater data center |
-
2019
- 2019-12-17 CN CN201922272961.9U patent/CN211621803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114644419A (en) * | 2021-01-10 | 2022-06-21 | 深圳欧特海洋科技有限公司 | Heat exchange system, data cabin and underwater data center |
| CN114275854A (en) * | 2021-10-29 | 2022-04-05 | 珠海格力电器股份有限公司 | Positive and negative flushing water purification system and control method thereof |
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