CN218540865U - Non-negative pressure water supply equipment for directly supplying drinking water - Google Patents
Non-negative pressure water supply equipment for directly supplying drinking water Download PDFInfo
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- CN218540865U CN218540865U CN202222962265.2U CN202222962265U CN218540865U CN 218540865 U CN218540865 U CN 218540865U CN 202222962265 U CN202222962265 U CN 202222962265U CN 218540865 U CN218540865 U CN 218540865U
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Abstract
The utility model discloses a non-negative pressure water supply device for directly supplying drinking water, which comprises a municipal water supply pipe network, a purification tank, a steady flow tank, a variable frequency water pump unit and a user pipe network; the outlet of the municipal water supply pipe network is connected with the inlet of the purification tank; the outlet of the purification tank is connected with the first inlet of the flow stabilization tank; the outlet of the steady flow tank is connected with the inlet of the variable frequency water pump unit; and the outlet of the variable-frequency water pump unit is connected with a user pipe network. Through setting up the purifying tank, effectively improved the sensory index, the physicochemical index, pollutant content and the microorganism content of quality of water, the quality of water after making through the purifying tank obtains by a wide margin improvement, when the user pipe network water supply of continuous and stable, effectively improved water supply quality.
Description
Technical Field
The utility model relates to a municipal water supply technical field particularly, relates to a direct-supply drinking water's no negative pressure water supply equipment.
Background
Along with the trend of people towards good life, the direct-supply drinking water is accepted by more and more people due to the advantages of good taste, low heavy metal content, high sanitary index and the like, and the direct-supply drinking water secondary pressurizing water supply equipment is also more and more applied to collective users for high-rise water supply. Meanwhile, the direct-supply drinking water can avoid the pollution of a pipeline system of a secondary water supply system, overcome the phenomenon of difficult cleaning of a conventional secondary water supply system and improve the safety of the drinking water.
Disclosure of Invention
The technical problem is as follows: the utility model discloses the technical problem that will solve is: the utility model provides a no negative pressure water supply equipment of direct supply drinking water makes the high-quality drinking water after purifying carry the user pipe network through frequency conversion supercharging device, improves water quality of supplying water, satisfies people's life demand.
The technical scheme is as follows: for solving the technical problem, the embodiment of the utility model provides an adopt technical scheme is:
a non-negative pressure water supply device for directly supplying drinking water comprises a municipal water supply pipe network, a purification tank, a steady flow tank, a variable frequency water pump unit and a user pipe network; the outlet of the municipal water supply pipe network is connected with the inlet of the purification tank; the outlet of the purification tank is connected with the first inlet of the flow stabilization tank; the outlet of the steady flow tank is connected with the inlet of the variable frequency water pump unit; and the outlet of the variable-frequency water pump unit is connected with a user pipe network.
As a preferred example, the purification tank comprises a purification tank closed cavity and a vacuum suppressor; the vacuum suppressor is positioned at the upper part of the purification tank; a sewage draining outlet is arranged on the purification tank; and a sewage discharge pipe is arranged on the sewage discharge outlet.
As a preferred example, the closed cavity of the purification tank comprises a water inlet section, a filter membrane component and a water outlet section; the water inlet section and the water outlet section are arranged at two ends of the filter membrane component, and the vacuum suppressor is arranged on the upper surface of the filter membrane component.
As a preferred example, the water inlet section, the filter membrane component and the water outlet section are integrally manufactured.
As a preferred example, the non-negative pressure water supply equipment for directly supplying drinking water further comprises a water inlet pipe, a water outlet pipe, a back flush water pipe and a straight-through water inlet pipe; the water inlet pipe is provided with a filter and a first valve; a second valve is arranged on the water outlet pipe; a third valve is arranged on the backwashing water pipe; a fourth valve is arranged on the straight-through water pipe; the municipal water supply pipe network is connected with the inlet of the purification tank through a water inlet pipe; the outlet of the purification tank is connected with the first inlet of the flow stabilization tank through a water outlet pipe; the outlet of the purification tank is connected with the outlet of the variable-frequency water pump unit through a back-flushing water pipe; the municipal water pipe network is connected with a second inlet of the flow stabilization tank through a straight-through water pipe.
As a preferred example, the variable-frequency water pump unit comprises a variable-frequency pipeline and a straight pipeline; the variable frequency pipeline is connected with the straight pipeline in a parallel mode; the variable frequency pipeline sequentially comprises a first butterfly valve, a variable frequency water pump, a first check valve and a second butterfly valve from top to bottom; the straight-through pipeline comprises a second check valve, a third butterfly valve and an accumulator, and the accumulator is arranged between the second check valve and the third butterfly valve.
As a preferred example, the number of the variable-frequency pipelines in the variable-frequency water pump unit is two, and the number of the straight-through pipelines is one.
Has the advantages that: compared with the prior art, the technical scheme of the utility model following beneficial effect has: the utility model provides a non-negative pressure water supply equipment for directly supplying drinking water, which is characterized in that a filter is arranged at the water inlet section of a purification tank, so that fine sand grains in municipal water are effectively intercepted, and the water quality is preliminarily purified; meanwhile, the filter membrane in the purification tank can effectively improve the sensory index, the physicochemical index, the pollutant content and the microorganism content of the water quality, so that the water quality after passing through the purifier is greatly improved. The water quality entering the pressurizing system finally is high-quality drinking water, and various harmful contents in the water are extremely trace, so that the pollution of the system is effectively avoided, and the long-term water supply quality is ensured.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a structure diagram of a purification tank according to an embodiment of the present invention.
The figure has the following components: municipal water supply pipe network 1, filter 2, first valve 3, purifying tank 4, second valve 5, stationary flow jar 6, first butterfly valve 8, frequency conversion water pump 9, first check valve 10, second butterfly valve 11, user's pipe network 12, accumulator 13, back flush water pipe 14, third valve 15, fourth valve 16, straight water pipe 17, second check valve 101, third butterfly valve 111, water inlet section 41, sewage pipe 42, filter membrane subassembly 43, play water section 44, vacuum suppressor 45, inlet tube 46, outlet pipe 47.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a direct supply drinking water's no negative pressure water supply equipment of embodiment, including municipal water pipe network 1, purifying tank 4, stationary flow jar 6, variable frequency water pump unit and user pipe network 12. Municipal administration pipe network 1 export and 4 entry linkage of purifying tank, 4 exports of purifying tank and the first entry linkage of stationary flow jar 6, and 6 exports of stationary flow jar and variable frequency water pump unit entry linkage, and variable frequency water pump unit exports and is connected with user pipe network 12.
Among the no negative pressure water supply equipment of a direct supply drinking water of above-mentioned structure, municipal administration of municipal administration pipe network 1 comes the water inflow and purifies jar 4, purifies in purifying jar 4, reduces the content of aquatic tiny particle and pollutant, flow into stationary flow jar 6 after purifying, stationary flow jar 6 supplies water to user pipe network 12 through frequency conversion water pump unit when needs.
The non-negative pressure water supply equipment of the embodiment is provided with a purification tank 4 and a variable frequency water pump unit. Purifying tank 4 is come water to the municipal administration and is purified messenger heavy metal, microorganism, macromolecular material tunica such as pollutant effectively to be held back, and clean municipal administration that purifies is come water and is got into stationary flow jar 6 in for rivers through frequency conversion water pump unit flow direction user pipe network 12 are cleaner. The variable frequency water pump unit can adjust the size of water flow entering a user pipe network 12 so as to meet the requirements of users and ensure the stability of water supply.
As a preferred example, the purification tank 4 comprises a purification tank closed cavity and a vacuum suppressor 45; the vacuum inhibitor 45 is positioned at the upper part of the purification tank 4; a sewage draining outlet is arranged on the purification tank 4; and a sewage discharge pipe 42 is arranged on the sewage discharge port. The vacuum suppressor 45 suppresses the negative pressure generated in the purifier 4 and keeps the pressure balance of the tap water pipe network 1; the drain pipe 42 can discharge impurities in the purification tank 4 when the purification tank 4 is backwashed.
As a preferred example, the closed cavity of the purification tank comprises a water inlet section 41, a filter membrane assembly 43 and a water outlet section 44; the water inlet section 41 and the water outlet section 44 are arranged at two ends of the filter membrane assembly 43, and the vacuum suppressor 45 is arranged on the filter membrane assembly 43. The water inlet section 41 is used for receiving municipal water, the water outlet section 44 is used for conveying purified water to the flow stabilizing tank 6, and the filter membrane component 43 is used for purifying the municipal water, so that the whole structure is complete, and the work is efficient. The filter module 43 may be a commercially available product, for example, a SUF submerged ultrafiltration membrane module manufactured by Beijing Biyu water science and technology corporation.
As a preferred example, the water inlet section 41, the filter membrane assembly 43 and the water outlet section 44 are integrally formed. Overall structure is more firm, and when purifying and the back flush municipal water that comes, efficiency is better, and the effect is better.
As a preferred example, the non-negative pressure water supply equipment for directly supplying drinking water further comprises a water inlet pipe 46, a water outlet pipe 47, a back flush water pipe 14 and a straight-through water inlet pipe 17; the inlet pipe 46 is provided with a filter 2 and a first valve 3; the water outlet pipe 47 is provided with a second valve 5; a third valve 15 is arranged on the back washing water pipe 14; a fourth valve 16 is arranged on the straight water pipe 17; the municipal water supply pipe network 1 is connected with the inlet of the purification tank 4 through a water inlet pipe 46; an outlet of the purification tank 4 is connected with a first inlet of the flow stabilizing tank 6 through a water outlet pipe 47; the outlet of the purification tank 4 is connected with the outlet of the variable frequency water pump unit through a back flush water pipe 14; the municipal water supply pipe network 1 is connected with a second inlet of the flow stabilization tank 6 through a straight water pipe 17. Tap water in the municipal water pipe network 1 firstly passes through the filter 2, the fine sand grain of filter 2 to aquatic filters, water after the filtration enters into the section 41 of intaking of clarifier 4 through first valve 3, the running water that has certain pressure passes through the interception of filter membrane subassembly 43, make heavy metal, microorganism, macromolecular material tunica such as pollutant are effectively held back, and the water after the process is held back enters into water outlet section 44, the direct water supply enters into the stationary flow jar 6 from water outlet section 44 through outlet pipe 47 and carries out the stationary flow, guarantee the steady operation of system. The first valve 3 is used for controlling the connection and disconnection of water from the purification tank 4, when the water is supplied to the user pipe network 12, the first valve 3 is set to be in a normally open state, and when the filter membrane needs to be backwashed, the first valve 3 is switched to be in a closed state. The second valve 5 is used for communicating and cutting off the water outlet of the purification tank 4 to the flow stabilization tank 6, and when water is supplied to the user pipe network 12, the second valve 5 is set to be in a normally open state; when backwashing of the filter membrane is required, the second valve 5 is switched to the closed state. The third valve 15 is in a normally closed state when supplying water to the user pipe network 12, and when the filter membrane needs to be backwashed, the third valve 15 is opened to ensure that the backwashing water can enter the purification tank 4. The fourth valve 16 is in a normally closed state when supplying water to the user pipe network 12, and when the filter membrane needs to be backwashed, the fourth valve 16 is opened to supplement water to the flow stabilization tank 6, so that enough backwashing water is ensured, and backwashing can be effectively carried out.
As a preferred example, the variable-frequency water pump unit comprises a variable-frequency pipeline and a straight pipeline; the variable frequency pipeline is connected with the straight pipeline in a parallel mode; the variable frequency pipeline sequentially comprises a first butterfly valve 8, a variable frequency water pump 9, a first check valve 10 and a second butterfly valve 11 from top to bottom; the through line comprises a second check valve 101, a third butterfly valve 111 and an accumulator 13, the accumulator 13 being arranged between the second check valve 101 and the third butterfly valve 111. The energy accumulator 13 is internally composed of water and an air bag with certain pressure, and the water around the air bag is communicated with the straight-through pipeline. When the pressure of municipal water rises, the gas in the bladder is compressed by the water until the system line pressure does not rise any more. When the municipal water supply pressure is reduced, compressed air in the leather bag expands to press water into the straight-through pipeline, so that the pressure reduction of the pipeline is slowed down, and the effect of stabilizing the water supply pressure of the system is achieved.
As a preferred example, the number of the variable-frequency pipelines in the variable-frequency water pump unit is two, and the number of the straight-through pipelines is one. When water is supplied to the user pipe network 12 and the demand of the water supply is low, the variable frequency pipeline is in a closed state, and the water is supplied to the user pipe network 12 only through the straight pipeline; when the water supply demand is great, only can't satisfy the water supply demand through the straight pipeline, open the frequency conversion pipeline, guarantee the stability of effectively advancing and supplying water of supplying water. When the purification tank 4 needs to be backwashed, the frequency conversion pipeline needs to be opened, so that effective backwashing is ensured.
When water needs to be supplied to the user pipe network 12, the butterfly valve 111 on the straight-through pipeline is opened through the control system, the straight-through water flows to the user pipe network 12 through the straight-through pipeline at the moment, and the valve of the user pipe network 12 is in a normally open state at the moment. When the water consumption demand of the user pipe network 12 is great, the control system enables the variable frequency pipeline to be started, pressure is superposed according to the demand of the user on the basis of the pressure of the municipal pipe network 1, and pressurized water supply is carried out according to the principle of how much water is supplemented according to difference, so that the water consumption of the user pipe network 12 is ensured, and meanwhile, the energy is effectively saved.
In the use process of the filter membrane module 43, the filter membrane module 43 can retain and filter impurities such as bacteria, organic matters and suspended matters, the impurities can be gathered in the filter membrane module, and after a period of time, the impurities can affect the performance of the filter membrane module 43, seriously pollute the filter membrane module 43 and affect the performance and the service life of the filter membrane module 43. The backwashing is the most effective method for cleaning impurities of the filter membrane, so that the filter membrane can be prevented from being polluted, and the service life of the filter membrane can be prolonged. Before backwashing, the first valve 3 and the second valve 5 are adjusted from a normally open state to a closed state, and the valves on the user pipe network 12 are closed; the third valve 15 and the fourth valve 16 are adjusted from the normally closed state to the open state, and the waste discharge valve on the waste discharge pipe 42 of the purifier 4 is opened.
At the moment, municipal incoming water 1 enters the steady flow tank 6 through the fourth valve 16, the frequency conversion pipeline is started, high-pressure fluid generated by the frequency conversion pipeline enters the water outlet section 44 of the purifier 4 through the back flushing pipe 14 and the third valve 15, and high-pressure water moves impurities on the filter membrane into the water inlet section 41 along with the high-pressure water through the filter membrane component 43, so that sewage containing bacteria, organic matters and suspended matters enters the water inlet section 41 and is discharged through the drain valve on the drain pipe 42. And (4) finishing the back washing process after the back washing of the set time. Because the fluid pressure adopted by the back flushing is higher than the pressure of municipal water, the flushing effect is obviously higher than that of the conventional municipal water, thereby ensuring the quality of the outlet water and prolonging the service life of the filter membrane.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the details of the foregoing embodiments, which have been described in order to further illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which are intended to be within the scope of the invention as claimed. The scope of the invention is defined by the claims and their equivalents.
Claims (7)
1. A non-negative pressure water supply device for directly supplying drinking water is characterized by comprising a municipal water supply pipe network (1), a purification tank (4), a steady flow tank (6), a variable frequency water pump unit and a user pipe network (12); the outlet of the municipal water supply pipe network (1) is connected with the inlet of the purification tank (4); an outlet of the purification tank (4) is connected with a first inlet of the flow stabilizing tank (6); the outlet of the steady flow tank (6) is connected with the inlet of the variable-frequency water pump unit; and the outlet of the variable-frequency water pump unit is connected with a user pipe network (12).
2. A non-negative pressure water supply apparatus for direct supply of drinking water according to claim 1, characterized in that the purification tank (4) comprises a purification tank closed cavity and a vacuum suppressor (45); the vacuum suppressor (45) is positioned at the upper part of the purification tank (4); a sewage draining outlet is arranged on the purification tank (4); and a sewage discharge pipe (42) is arranged on the sewage discharge port.
3. The non-negative pressure water supply equipment for directly supplying drinking water according to claim 2, wherein the closed cavity of the purification tank comprises a water inlet section (41), a filter membrane assembly (43) and a water outlet section (44); the water inlet section (41) and the water outlet section (44) are arranged at two ends of the filter membrane assembly (43), and the vacuum suppressor (45) is arranged on the filter membrane assembly (43).
4. A non-negative pressure water supply equipment for direct supply of drinking water according to claim 3, characterized in that the water inlet section (41), the filter membrane assembly (43) and the water outlet section (44) are integrally formed.
5. The non-negative pressure water supply equipment for direct supply of drinking water according to claim 2, further comprising a water inlet pipe (46), a water outlet pipe (47), a back flush water pipe (14) and a direct water inlet pipe (17); the water inlet pipe (46) is provided with a filter (2) and a first valve (3); a second valve (5) is arranged on the water outlet pipe (47); a third valve (15) is arranged on the back flushing water pipe (14); a fourth valve (16) is arranged on the straight-through water pipe (17); the municipal water supply pipe network (1) is connected with the inlet of the purification tank (4) through a water inlet pipe (46); an outlet of the purification tank (4) is connected with a first inlet of the steady flow tank (6) through a water outlet pipe (47); the outlet of the purification tank (4) is connected with the outlet of the variable-frequency water pump unit through a back flush water pipe (14); the municipal water supply pipe network (1) is connected with a second inlet of the flow stabilizing tank (6) through a straight-through water pipe (17).
6. The non-negative pressure water supply equipment for directly supplying drinking water according to claim 1, wherein the variable frequency water pump unit comprises a variable frequency pipeline and a straight pipeline; the frequency conversion pipeline is connected with the straight pipeline in a parallel connection mode; the variable frequency pipeline sequentially comprises a first butterfly valve (8), a variable frequency water pump (9), a first check valve (10) and a second butterfly valve (11) from top to bottom; the through pipeline comprises a second check valve (101), a third butterfly valve (111) and an energy accumulator (13), and the energy accumulator (13) is arranged between the second check valve (101) and the third butterfly valve (111).
7. The non-negative pressure water supply equipment for directly supplying drinking water as claimed in claim 6, wherein the number of the variable frequency water pump units is two, and the number of the direct pipelines is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222962265.2U CN218540865U (en) | 2022-11-08 | 2022-11-08 | Non-negative pressure water supply equipment for directly supplying drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222962265.2U CN218540865U (en) | 2022-11-08 | 2022-11-08 | Non-negative pressure water supply equipment for directly supplying drinking water |
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| Publication Number | Publication Date |
|---|---|
| CN218540865U true CN218540865U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222962265.2U Active CN218540865U (en) | 2022-11-08 | 2022-11-08 | Non-negative pressure water supply equipment for directly supplying drinking water |
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| CN (1) | CN218540865U (en) |
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- 2022-11-08 CN CN202222962265.2U patent/CN218540865U/en active Active
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