Municipal pipe network water supply device

Abstract

The utility model relates to the technical field of water supply devices, and discloses a municipal pipe network water supply device which comprises a municipal water tank, a water supply main pipe and a water supply pump, the water outlet end of the municipal water tank is communicated with the water inlet end of the water supply pump, the water outlet end of the water supply pump is communicated with the water supply main pipe, and the water supply main pipe is communicated with a plurality of water distribution pipes. The water distribution pipe is communicated with a backflow pipe, the end, away from the water distribution pipe, of the backflow pipe is communicated with a backflow main pipe, backflow water is filtered through the filters, and the situation that water in the municipal water tank is polluted after being polluted when the water flows through the water distribution pipe is avoided; when the filter is replaced and cleaned, the other filter can still work, the diaphragm safety relief valve and the pressure holding valve are arranged and used for maintaining the water flow passing through the filter, and when the backflow water is too much, the water flow and the water pressure are controlled, and the filter is prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to water supply device technical field, concretely is a municipal pipe network water supply device. BACKGROUND

[0002] The existing municipal water supply is all through the municipal terminal water supply device and carries out water supply, and the municipal terminal water supply device carries out water supply to each area through the water supply main pipeline, when the resident uses water less during the night, water will be cached in the water supply main pipeline for a long time, and it is easy to cause the defect of water pollution;

[0003] The existing China CN215367547U discloses a kind of municipal pipe network water supply device, and the water in the water distribution pipe of this municipal pipe network water supply device will flow into circulation pipe, then flow into back municipal water tank through circulation main pipe, prevent domestic water from being cached in water distribution pipe for a long time;

[0004] However, the water flowing back to municipal water tank is flowing through multiple pipelines, and then directly flows back to municipal water tank, without treating the backflow water, which can easily pollute the water in municipal water tank after backflow water enters municipal water tank. UTILITY MODEL

[0005] The utility model aims at providing a kind of municipal pipe network water supply device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of municipal pipe network water supply device, including municipal water tank, water supply main pipe, water supply pump, the water outlet of municipal water tank is communicated with the water inlet of water supply pump, the water outlet of water supply pump is communicated with water supply main pipe, multiple water distribution pipes are communicated and arranged on water supply main pipe, backflow pipe is communicated and arranged on water distribution pipe, backflow main pipe is communicated and arranged at the end of backflow pipe away from water distribution pipe, and all backflow pipes are communicated with one backflow main pipe, the end of backflow main pipe towards municipal water tank is communicated and arranged with diaphragm safety pressure relief valve holding pressure valve, water inlet pipe is communicated and arranged at the other end port of diaphragm safety pressure relief valve holding pressure valve, one end of water inlet pipe towards municipal water tank is communicated with three-way valve, filter is communicated and arranged at the other two ports of three-way valve through pipeline, water outlet of filter is communicated with water outlet pipe, and one end of water outlet pipe away from filter is communicated with collecting pipe, and two water outlet pipes are communicated with one collecting pipe, unidirectional valve is arranged at the communicating portion of water outlet pipe and collecting pipe, and the end of collecting pipe towards municipal water tank is communicated with connecting pipe, and connecting pipe is communicated with the inside of municipal water tank.

[0007] Further, the diaphragm safety pressure relief valve holding pressure valve, three-way valve and filter are covered with a box body, and box doors are arranged on the front and back surfaces of the box body.

[0008] Further, the handle on the top of the three-way valve is arranged outside the box.

[0009] Further, a damping support base is fixedly arranged on the bottom of the box and contacts the ground.

[0010] Further, a PLC controller is arranged on the front of the municipal water tank, a flow meter is arranged on the water distribution pipe, and the flow meter, the backflow switch and the PLC controller are electrically connected.

[0011] Further, an ultrafiltration membrane is arranged at the communication position of the water supply pump and the municipal water tank.

[0012] Further, the water supply pump is covered by a protective cover, a support frame is fixedly arranged on the bottom of the protective cover, the support frame is fixedly connected with the box through screws, and the support frame covers the handle.

[0013] Further, the front and back of the protective cover are provided with heat dissipation holes.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The filter is arranged to filter the backflow water, so that the water in the municipal water tank is not polluted when the water is polluted when flowing through the water distribution pipe, two filters are arranged and a three-way valve is arranged at the water inlet end of the filter, so that the other filter can still work when the filter is replaced and cleaned, the diaphragm safety pressure relief valve is arranged to maintain the water flow through the filter, the water flow and water pressure are controlled when the backflow water is more, and the filter is prevented from being damaged.

[0016] 2. The protective cover is arranged to protect the water supply pump, so that the water supply pump is prevented from being drenched in the open air, and the support frame is arranged to fix and support the protective cover. DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a structural schematic view of the water supply main pipe and the backflow main pipe of the utility model;

[0019] Figure 3 It is a structural schematic view of the box and the protective cover of the utility model;

[0020] Figure 4 It is a structural schematic view of the three-way valve and the filter of the utility model;

[0021] Figure 5 It is a structural schematic view of the protective cover and the support frame of the utility model.

[0022] In the figure: 1, municipal water tank; 2, water supply main pipe; 3, water distribution pipe; 4, water supply pump; 5, return main pipe; 6, return pipe; 7, return switch; 8, tank; 9, diaphragm safety relief valve pressure holding valve; 10, communication pipe; 11, water inlet pipe; 12, three-way valve; 13, filter; 14, water outlet pipe; 15, flow pipe; 16, check valve; 17, handle; 18, protective cover; 19, support frame; 20, heat dissipation hole; 21, flow meter; 22, ultrafiltration membrane; 23, PLC controller; 24, shock absorbing support seat. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0024] Please refer to Figures 1-5The utility model provides a technical scheme: a municipal administration pipe network water supply device, including municipal administration water tank 1, water supply main pipe 2, water supply pump 4, the water outlet of municipal administration water tank 1 is connected with the water inlet of water supply pump 4, the water outlet of water supply pump 4 is connected with water supply main pipe 2, and a plurality of branch pipes 3 are provided on water supply main pipe 2 and are communicated, the branch pipe 3 is provided with the return pipe 6 and is communicated, and the one end of return pipe 6 is away from branch pipe 3 and is communicated and is provided with return main pipe 5, and all return pipes 6 are communicated with a return main pipe 5, and the one end of return main pipe 5 is communicated and is provided with diaphragm safety pressure relief valve pressure retaining valve 9 towards municipal administration water tank 1, and the other end port of diaphragm safety pressure relief valve pressure retaining valve 9 is communicated and is provided with water inlet pipe 11, and the one end of water inlet pipe 11 is communicated and is provided with three-way valve 12 towards municipal administration water tank 1, and the other two ports of three-way valve 12 are both communicated and are provided with filter 13 through pipeline, and the water outlet of filter 13 is communicated and is provided with water outlet pipe 14, and the one end of water outlet pipe 14 is communicated and is provided with collecting pipe 15 away from filter 13, and two water outlet pipes 14 are communicated with a collecting pipe 15, and water outlet pipe 14 and collecting pipe 15 are provided with check valve 16 at the communicated place, and the one end of collecting pipe 15 is communicated and is provided with communicating pipe 10 towards municipal administration water tank 1, and communicating pipe 10 is communicated with the inside of municipal administration water tank 1, when the water consumption reduces, opens return switch 7 and makes the water in branch pipe 3 return to return pipe 6, then returns to return main pipe 5, and the water in return main pipe 5 enters diaphragm safety pressure relief valve pressure retaining valve 9 first, then enters water inlet pipe 11 from diaphragm safety pressure relief valve pressure retaining valve 9, water inlet pipe 11 guides water to three-way valve 12, three-way valve 12 guides water to a filter 13, filter 13 filters water, and the filtered water enters collecting pipe 15 from water outlet pipe 14, then returns to municipal administration water tank 1 from communicating pipe 10, filters the return water through filter 13, avoids the water from being polluted when flowing through branch pipe 3 and then polluting the water in municipal administration water tank 1, sets up two filters 13 and three-way valve 12 at the water inlet of filter 13, so that another filter 13 can still work when replacing and cleaning filter 13, sets up diaphragm safety pressure relief valve pressure retaining valve 9 for maintaining the water flow through filter 13, controls water flow and water pressure when the return water is more, and avoids filter 13 from being damaged;

[0025] Diaphragm safety pressure relief valve pressure retaining valve 9, three-way valve 12, filter 13 are covered with box 8, and the front and back of box 8 are both provided with box door, and box 8 is used for protecting diaphragm safety pressure relief valve pressure retaining valve 9, three-way valve 12, filter 13, and diaphragm safety pressure relief valve pressure retaining valve 9, three-way valve 12, filter 13 are not damaged;

[0026] The handle 17 on the top of three-way valve 12 is arranged outside box 8, avoids the narrow space in box 8 from causing handle 17 to be unable to rotate, and then causes three-way valve 12 to be unable to switch the communicated port on it;

[0027] The shock-absorbing support base 24 is fixedly installed on the bottom of the box body 8, and is in contact with the ground.

[0028] The front face of the municipal water tank 1 is provided with a PLC controller 23, and the flow meter 21 is arranged on the water distribution pipe 3.

[0029] The ultrafiltration membrane 22 is arranged at the communication position of the water supply pump 4 and the municipal water tank 1, and is used for filtering water entering the water supply main pipe 2.

[0030] The protective cover 18 is arranged outside the water supply pump 4, the bottom of the protective cover 18 is fixedly provided with a support frame 19, the bottom of the support frame 19 is fixedly connected with the box body 8 through screws, and the support frame 19 covers the handle 17.

[0031] The front face and the back face of the protective cover 18 are both provided with heat dissipation holes 20, so that heat generated during the working of the water supply pump 4 can be dissipated.

[0032] Working principle: when in use, the water supply pump 4 is started to pump the water in the municipal water tank 1 into the water supply main pipe 2, the water enters the water distribution pipe 3 from the water supply main pipe 2, and the flow meter 21 monitors the water flow in the water distribution pipe 3.

[0033] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range protected by the utility model.

Claims

1. A municipal network water supply device comprising a municipal water tank (1), a water supply main (2), a water supply pump (4), characterized in that: The water outlet end of the municipal water tank (1) is communicated with the water inlet end of the water supply pump (4), the water outlet end of the water supply pump (4) is communicated with the water supply main pipe (2), a plurality of water distribution pipes (3) are communicated on the water supply main pipe (2), the water distribution pipes (3) are communicated with the backflow pipes (6), the backflow pipes (6) are communicated with the backflow main pipes (5) at one end away from the water distribution pipes (3), all the backflow pipes (6) are communicated with one backflow main pipe (5), the backflow main pipe (5) is communicated with the diaphragm safety pressure relief valve pressure retaining valve (9) at one end towards the municipal water tank (1), the other end port of the diaphragm safety pressure relief valve pressure retaining valve (9) is communicated with the water inlet pipe (11), one end of the water inlet pipe (11) towards the municipal water tank (1) is communicated with the three-way valve (12), the other two ports of the three-way valve (12) are both communicated with the filter (13) through pipes, the water outlet end of the filter (13) is communicated with the water outlet pipe (14), one end of the water outlet pipe (14) away from the filter (13) is communicated with the collecting pipe (15), two water outlet pipes (14) are communicated with one collecting pipe (15), the water outlet pipe (14) is provided with the one-way valve (16) at the communication position with the collecting pipe (15), one end of the collecting pipe (15) towards the municipal water tank (1) is communicated with the communication pipe (10), the communication pipe (10) is communicated with the inside of the municipal water tank (1).

2. A municipal network water supply apparatus according to claim 1, characterised in that: The diaphragm safety pressure relief valve pressure retaining valve (9), the three-way valve (12) and the filter (13) are covered with the box body (8), the front and back of the box body (8) are provided with box doors.

3. A municipal network water supply apparatus according to claim 1, characterised in that: The handle (17) at the top of the three-way valve (12) is arranged outside the box body (8).

4. A municipal network water supply apparatus according to claim 2, wherein: The ground step of the box body (8) is fixedly installed with the shock absorbing support seat (24), and the shock absorbing support seat (24) is in contact with the ground.

5. A municipal network water supply apparatus according to claim 1, wherein: The front of the municipal water tank (1) is provided with the PLC controller (23), the water distribution pipes (3) are provided with the flow meters (21), and the flow meters (21) and the backflow switches (7) are electrically connected with the PLC controller (23).

6. A municipal network water supply apparatus according to claim 1, wherein: The water supply pump (4) is provided with the ultrafiltration membrane (22) at the communication position with the municipal water tank (1).

7. A municipal water network supply apparatus according to claim 1, wherein: The water supply pump (4) is covered with the protective cover (18), the bottom of the protective cover (18) is fixedly installed with the support frame (19), the bottom of the support frame (19) is fixedly connected with the box body (8) through screws, and the support frame (19) covers the handle (17).

8. A municipal network water supply apparatus according to claim 7, characterised in that: The front and back of the protective cover (18) are both provided with the heat dissipation holes (20).

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