Secondary water supply device for mountainous rural drinking water source

Abstract

The utility model discloses a mountainous rural drinking water source secondary water supply device which comprises a reservoir, a water suction pool with the top communicated with the bottom of the reservoir is arranged at the bottom of one end of the reservoir, a submersible pump is installed in the water suction pool, and a water outlet of the submersible pump is communicated with a water conveying pipeline communicated to a high water user. The controlled end of the submersible pump is connected with a water pump control cabinet for performing frequency conversion control on the submersible pump; a liquid level transmitter used for monitoring the liquid level in the water storage tank is arranged in the water storage tank, and the output end of the liquid level transmitter is connected with the input end of the water pump control cabinet. According to the utility model, the water suction pool is additionally arranged in the reservoir and the submersible pump is arranged in the water suction pool, so that the problem that the water consumption of part of residents is influenced due to the fact that the elevation of the reservoir is lower than that of part of high water-consuming households is solved, and the reservoir can effectively meet the water supply of villagers at different positions.

Description

Technical Field

[0001] The utility model relates to the technical field of water supply in mountainous rural areas, in particular to a secondary water supply device for drinking water sources in mountainous rural areas. Background Art

[0002] At present, reservoirs are generally used as regulating and storing structures after the primary water supply equipment of rural drinking water sources in mountainous areas, and water flows to water users by gravity. However, due to the land occupation of reservoirs and other issues, the elevation of the reservoirs is sometimes relatively low and cannot meet the needs of some high-water users. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a secondary water supply device for drinking water sources in mountainous rural areas, which can effectively meet the water supply needs of villagers in different locations in mountainous rural areas.

[0004] In order to solve the above technical problems, the technical solutions adopted by the present utility model are as follows.

[0005] A secondary water supply device for drinking water sources in rural areas of mountainous areas comprises a water reservoir, wherein a water suction tank whose top is connected to the bottom of the water reservoir is arranged at the bottom of one end of the water reservoir, a submersible pump is installed inside the water suction tank, a water outlet of the submersible pump is connected to a water pipeline connected to a high-water user, a controlled end of the submersible pump is connected to a water pump control cabinet for frequency conversion control of the submersible pump; a liquid level transmitter for monitoring the liquid level in the water reservoir is arranged inside the water reservoir, and the output end of the liquid level transmitter is connected to the input end of the water pump control cabinet.

[0006] Preferably, the submersible pumps are two units, one for use and one for backup.

[0007] Preferably, two SWJ type liquid level transmitters corresponding to the machine wells are arranged inside the water reservoir.

[0008] Preferably, a well house is protruding from the top of the water reservoir and is arranged opposite to the water absorption tank. The water pipeline passes through the well house from the top of the water reservoir and passes out from the bottom of the side wall of the well house. A valve for controlling the on-off of the water pipeline is provided on the part of the water pipeline located in the well house.

[0009] Preferably, the water pump control cabinet is arranged in the well house.

[0010] Preferably, the water tank includes a bottom plate, a top plate located above the bottom plate, and a side wall connected between the bottom plate and the top plate; an entrance hole is opened at one end of the top plate, and a well ring connected to the manhole is protruding upward on the top plate, and a plurality of horizontally arranged step plates are longitudinally arranged on the inner wall of the well ring and the inner wall of the side wall of the water tank located below the inner wall of the well ring, and a steel fiber concrete anti-theft cover plate is arranged on the top of the well ring.

[0011] Preferably, a ventilation pipe communicating with the interior of the water reservoir is arranged on the top plate of the water reservoir, and an overflow pipe, a water inlet pipe and a water outlet pipe communicating with the interior of the water reservoir are arranged on the side wall of the water reservoir.

[0012] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0013] The utility model solves the problem of water use of some residents being affected because the elevation of the water reservoir is lower than the elevation of some high-water users by adding a water suction tank and a submersible pump in the water suction tank, thereby realizing that the water reservoir can effectively meet the water supply needs of villagers in different locations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] Among them: 1. Water storage tank, 2. Suction tank, 3. Well ring, 4. Manhole, 5. Cover plate, 6. Ventilation pipe, 7. Overflow pipe, 8. Well house, 9. Submersible pump, 10. Water supply pipeline, 11. Step board. DETAILED DESCRIPTION

[0016] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0017] A secondary water supply device for drinking water sources in mountainous rural areas, combined with Figure 1 As shown, it includes a water reservoir 1, which is a reinforced concrete water tank, including a bottom plate, a top plate and side walls, wherein the bottom plate is 0.4m thick; the top plate is 0.20m thick and is located above the bottom plate; the side wall is 0.3m thick and is connected between the bottom plate and the top plate.

[0018] Two manholes 4 are provided at one end of the top plate. The manholes 4 are reinforced concrete well rings with a diameter of 700 mm and a height of 1.0 m, which are cast in situ with the top plate as a whole. A well ring 3 is provided on the top plate protruding upward, and the well ring 3 is connected to the manhole 4. A plurality of step plates 11 are longitudinally provided on the inner wall of the well ring 3 and the inner wall of the side wall of the water reservoir 1 located below the inner wall of the well ring 3, and the step plates 11 are arranged horizontally; a cover plate 5 is provided on the top of the well ring 3, and the cover plate 5 is a steel fiber concrete anti-theft cover plate 5, which is used to open and close the well ring 3. Usually, the cover plate 5 closes the well ring 3 to prevent debris from falling into the water reservoir 1. When personnel need to enter the water reservoir 1, they open the cover plate 5, pass through the manhole 4, and step on the step plate 11 to enter and exit the water reservoir 1. A plurality of ventilation pipes 6 are provided on the top plate, and the ventilation pipes 6 are connected to the inside of the water reservoir 1. The side wall is provided with an overflow pipe 7 , a water inlet pipe and a water outlet pipe, and the overflow pipe 7 , the water inlet pipe and the water outlet pipe are all connected with the interior of the water reservoir 1 .

[0019] A suction pool 2 is arranged at the bottom of one end of the water reservoir 1. The top of the suction pool 2 is connected to the bottom of the water reservoir 1. The suction pool 2 is 1.5m deep and two submersible pumps 9 are installed inside. The two submersible pumps 9 are one for use and one for standby. The outlet of the submersible pump 9 is connected to a water delivery pipeline 10, which is connected to a high-water user. The water in the suction pool 2 is pumped into the high-water user through the submersible pump 9, solving the problem that the water reservoir 1 cannot meet the needs of some high-water users due to its low elevation. At the same time, the setting of the suction pool 2 can effectively meet the underwater volume of 30 to 50 times the design flow of the water pump; when the submersible pump 9 is at the lowest pumping water level, the suction pool 2 can prevent the generation of harmful vortices; the installation elevation of the submersible pump 9 should meet the requirements of the allowable suction vacuum height or the required cavitation margin of the submersible pump 9 under different working conditions, and the suction pool 2 is more conducive to meeting the requirements; installing the submersible pump 9 in the suction pool 2 is conducive to the safe operation and management of the water pump.

[0020] A liquid level transmitter is provided inside the water reservoir 1, and the liquid level transmitter is used to monitor the liquid level in the water reservoir 1. Specifically, there are two liquid level transmitters, which are split SWJ type liquid level transmitters with cables. Each submersible pump 9 is provided with a set of SWJ type liquid level instrument and connected to the well respectively.

[0021] A well house 8 is protruding from the top of the water reservoir 1, and the well house 8 is arranged opposite to the water absorption tank 2. A water pipeline 10 passes through the well house 8 from the top plate of the water reservoir 1 and passes out from the bottom of the side wall of the well house 8. A valve is provided on the water pipeline 10 at the position of the well house 8. The valve is used to control the on-off of the water pipeline 10, thereby controlling the water supply to different high-water users.

[0022] A water pump control cabinet is arranged inside the well house 8, and the input end of the water pump control cabinet is connected to the output end of the liquid level transmitter; the output end of the water pump control cabinet is connected to the controlled end of the submersible pump 9. The water pump control cabinet controls the submersible pump 9 according to the liquid level in the water reservoir 1 monitored by the liquid level transmitter, and the water pump control cabinet adjusts the water supply speed by frequency conversion control of the submersible pump 9.

[0023] When the utility model is in use, by adding a water suction tank 2 in the water storage tank 1 and a submersible pump 9 arranged in the water suction tank 2, the problem of water use of some residents being affected because the elevation of the water storage tank 1 is lower than the elevation of some high-water users is solved, and the water storage tank 1 can effectively meet the water supply needs of villagers in different locations.

Claims

1. A secondary water supply device for drinking water sources in mountainous rural areas, comprising a reservoir (1), characterized in that: A water suction tank (2) whose top is connected to the bottom of the water storage tank (1) is arranged at the bottom of one end of the water storage tank (1); a submersible pump (9) is installed inside the water suction tank (2); a water outlet of the submersible pump (9) is connected to a water delivery pipeline (10) connected to a high-water user; a controlled end of the submersible pump (9) is connected to a water pump control cabinet for frequency conversion control of the submersible pump (9); a liquid level transmitter for monitoring the liquid level in the water storage tank (1) is arranged inside the water storage tank (1); an output end of the liquid level transmitter is connected to an input end of the water pump control cabinet.

2. A secondary water supply device for drinking water source in mountainous rural areas according to claim 1, characterized in that: The submersible pumps (9) are two in number, one for use and one for standby.

3. A secondary water supply device for drinking water source in mountainous rural areas according to claim 2, characterized in that: Two SWJ type liquid level transmitters corresponding to two submersible pumps (9) are arranged inside the water reservoir (1), and each submersible pump (9) is also connected to a pumped well.

4. A secondary water supply device for drinking water source in mountainous rural areas according to claim 1, characterized in that: A well house (8) is protruding from the top of the water storage tank (1) and is arranged opposite to the water absorption tank (2). A water delivery pipeline (10) passes through the well house (8) from the top of the water storage tank (1) and passes through the bottom of the side wall of the well house (8). A valve for controlling the on-off of the water delivery pipeline (10) is arranged at a position of the well house (8) on the water delivery pipeline (10).

5. A secondary water supply device for drinking water source in mountainous rural areas according to claim 4, characterized in that: The water pump control cabinet is arranged in the well house (8).

6. A secondary water supply device for drinking water source in mountainous rural areas according to claim 1, characterized in that: The water storage tank (1) comprises a bottom plate, a top plate located above the bottom plate, and a side wall connected between the bottom plate and the top plate; a manhole (4) is provided at one end of the top plate, a well ring (3) protruding upwards on the top plate and connected to the manhole (4); a plurality of horizontally arranged tread plates (11) are longitudinally arranged on the inner side wall of the well ring (3) and the inner wall of the side wall of the water storage tank (1) located below the inner side wall of the well ring (3); and a steel fiber concrete anti-theft cover plate (5) is provided on the top of the well ring (3).

7. A secondary water supply device for drinking water source in mountainous rural areas according to claim 6, characterized in that: A vent pipe (6) communicating with the interior of the water reservoir (1) is provided on the top plate of the water reservoir (1), and an overflow pipe (7), a water inlet pipe and a water outlet pipe communicating with the interior of the water reservoir (1) are provided on the side wall of the water reservoir (1).

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