Excess pressure kinetic energy and high-position potential energy recycling system for floating dock pump station

Abstract

The utility model discloses a floating dock pump station excess pressure kinetic energy and high-position potential energy recycling system which comprises a floating dock ship body arranged in a reservoir, a plurality of sets of water pumps are arranged on the floating dock ship body, the water pumps are communicated with the reservoir through water inlet pipes, and the water pumps are communicated with water outlet pipes through water supply pipes. The vertical height of a water inlet of the water outlet pipe is larger than that of a water outlet of the water outlet pipe, the water outlet of the water outlet pipe is connected with a water inlet of the hydro-generator, and a water outlet of the hydro-generator is connected with the reservoir. A water outlet bypass branch pipe with a water outlet bypass branch pipe control valve is arranged in front of the hydraulic generator inlet control valve, a water outlet of the water outlet bypass branch pipe is connected with the reservoir, and the water suction pump, the hydraulic generator, the hydraulic generator inlet control valve and the water outlet bypass branch pipe control valve are all electrically connected with the controller. According to the invention, the energy of excess pressure kinetic energy and high potential energy of water is converted into electric energy, so that the operation cost is reduced, and resources are not wasted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of residual pressure kinetic energy and high potential energy recycling, especially relates to a floating dock pump station residual pressure kinetic energy and high potential energy recycling system. BACKGROUND

[0002] The floating dock pump station is mainly composed of a water pump, a floating dock body, a conveying pipeline, a power supply system and other auxiliary facilities, and is a large, medium or small water supply station.

[0003] However, the water pump needs to have a large flow and a high lift to overcome the pipeline resistance of long-distance conveying and the net height pressure of a large drop, and thus the energy consumption is high, and the residual pressure kinetic energy and the high potential energy of water are not recycled effectively, which results in energy waste and difficulty in reducing the energy consumption and operation cost. SUMMARY

[0004] In view of the above problems, the utility model provides a floating dock pump station residual pressure kinetic energy and high potential energy recycling system which has a simple structure, realizes self energy conversion and has high utilization rate.

[0005] To achieve the above object, the utility model provides the following scheme: a floating dock pump station residual pressure kinetic energy and high potential energy recycling system which comprises a floating dock body arranged in a reservoir, a plurality of water pumps arranged on the floating dock body, a water inlet pipe connected with the reservoir and a water outlet pipe connected with a water outlet of the water pump, wherein the vertical height of the water inlet of the water outlet pipe is higher than that of the water outlet, the water outlet is connected with a water inlet of a water turbine generator, and the water outlet of the water turbine generator is connected with a water storage tank, characterized in that a water turbine generator inlet control valve is arranged on the water outlet pipe, a water outlet bypass branch pipe connected with the water outlet pipe is arranged in front of the water turbine generator inlet control valve, a water outlet of the water outlet bypass branch pipe is connected with the water storage tank, a water outlet bypass branch pipe control valve is arranged on the water outlet bypass branch pipe, and the water pump, the water turbine generator, the water turbine generator inlet control valve and the water outlet bypass branch pipe control valve are electrically connected with a controller.

[0006] Further, a water pump inlet valve and a water pump outlet valve are arranged on the water inlet pipe and the water outlet pipe respectively, and the water pump inlet valve and the water pump outlet valve are electrically connected with the controller.

[0007] Further, a water level sensor is arranged in the water storage tank, and the water level sensor is electrically connected with the controller.

[0008] Further, the reservoir is provided with a lowest water level mark, a normal water level mark and a highest water level mark.

[0009] Further, the floating dock body is provided with three groups of water pumps.

[0010] Further, the lowest water level mark, the normal water level mark and the highest water level mark in the reservoir are respectively selected to use the corresponding water pump.

[0011] The beneficial effects of the utility model are: when conveying water, different power water pumps are selected according to different water level marks of the reservoir, energy consumption is reduced, the water wheel generator is rotated to generate electricity by using the residual pressure kinetic energy and high potential energy of water, the electric energy generated by the generator is distributed to the power consuming facilities through the controller, the outlet water of the water wheel generator enters the water storage pool for use, both the operation cost is reduced and the resources are not wasted, when the water level sensor of the water storage pool reaches the minimum value, the controller opens the water inlet valve and the water outlet valve of the water pump to control the water pump to work, when the water level sensor of the water storage pool reaches the maximum value, the water pump stops working, in the normal working state, the water wheel generator inlet control valve is always opened, and the water outlet bypass branch control valve is always closed, when the water wheel generator fails, the controller controls the water wheel generator inlet control valve to be closed and the water outlet bypass branch control valve to be opened, so as to normally store water, and the use of water facilities is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic view of the utility model.

[0013] Mark: reservoir 1, floating dock body 2, water pump 3, water inlet pipe 4, water pump water inlet valve 5, water pump water outlet valve 6, water delivery pipe 7, water outlet pipe 8, water wheel generator inlet control valve 9, water outlet bypass branch 10, water outlet bypass branch control valve 11, water wheel generator 12, water storage pool 13, water level sensor 14, controller 15, lowest water level mark 16, normal water level mark 17, highest water level mark 18. DETAILED DESCRIPTION

[0014] The utility model is further described with reference to the drawings.

[0015] Reference Figure 1The utility model provides a kind of floating dock pump station residual pressure dynamic energy and high potential energy recycling system, including the floating dock ship body 2 placed in reservoir 1 and controller 15, floating dock ship body 2 is provided with multiple groups of water pump 3, the water inlet of water pump 3 is connected with reservoir 1 by water inlet pipe 4, water inlet pipe 4 is provided with water pump water inlet valve 5, the water outlet of water pump 3 is connected with water outlet pipe 8 by water delivery pipe 7, water delivery pipe 7 is provided with water pump water outlet valve 6, the water inlet of water outlet pipe 8 is connected with water delivery pipe 7, the water outlet of water outlet pipe 8 is connected with the water inlet of water turbine generator 12, the water outlet of water turbine generator 12 is connected with reservoir 13, the vertical height of water inlet of water outlet pipe 8 is higher than the water outlet of water outlet pipe 8, i.e. the vertical height of one end of water outlet pipe 8 and water delivery pipe 7 is connected with water turbine generator 12, to form height difference, generate high potential energy, water outlet pipe 8 is provided with water turbine generator inlet control valve 9, water outlet bypass branch pipe 10 that is communicated with water outlet pipe 8 is provided before water turbine generator inlet control valve 9, water outlet bypass branch pipe control valve 11 is provided on water outlet bypass branch pipe 10, the water outlet of water outlet bypass branch pipe 10 is connected with reservoir 13, water level sensor 14 is provided in reservoir 13, reservoir 1 is provided with lowest water level mark 16, normal water level mark 17 and highest water level mark 18 respectively, according to the indication of water level mark in reservoir, corresponding water pump 3 is selected, and water pump 3, water pump water inlet valve 5, water pump water outlet valve 6, water turbine generator inlet control valve 9, water outlet bypass branch pipe control valve 11, water turbine generator 12 and water level sensor 14 are electrically connected with controller 15.

[0016] Specifically, when water level sensor 14 of reservoir 13 reaches the lowest value, corresponding power water pump 3 is selected according to the lowest water level mark 16, normal water level mark 17 or highest water level mark 18 reached by water level in reservoir 1, so that water delivery can be realized while preventing high energy consumption, at this time, controller 15 opens water pump water inlet valve 5 and water pump water outlet valve 6 to control water pump 3 to work, when water pump 3 pumps water in reservoir 1 to the water inlet of water outlet pipe 8, the water flow still has certain residual pressure dynamic energy, in addition, the two ends of water outlet pipe 8 have height difference, the water flow generates high potential energy, when the water flow enters water turbine generator 12, the residual pressure dynamic energy and high potential energy are used to drive water turbine generator 12 to rotate and generate electricity, which is converted into electric energy, the electric energy is distributed to electric facilities by controller 15, and finally the water flow flows into reservoir 13 from the outlet of water turbine generator 12, which not only meets the water delivery requirement, but also fully recycles and utilizes the energy of residual pressure dynamic energy and high potential energy of water, when water level sensor 14 of reservoir 13 reaches the highest value, water pump 3 stops working, in addition, in normal working state, water turbine generator inlet control valve 9 is always open, and water outlet bypass branch pipe control valve 11 is always closed, when water turbine generator 12 fails, controller 15 controls water turbine generator inlet control valve 9 to be closed and water outlet bypass branch pipe control valve 11 to be opened, so as to normally store water and not to affect the use of water facilities.

[0017] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A floating dock pump station residual pressure kinetic and high potential energy recycling system, comprising a floating dock body placed in a reservoir, a plurality of water pumps arranged on the floating dock body, the water pumps being connected to the reservoir through water inlet pipes, the water pumps being connected to water outlet pipes through water delivery pipes, the vertical height of the water inlet of the water outlet pipes being higher than the water outlet of the water outlet pipes, the water outlet of the water outlet pipes being connected to the water inlet of a water turbine generator, and the water outlet of the water turbine generator being connected to a water storage tank, characterized in that, The water outlet pipe is provided with a water turbine generator inlet control valve, the front of the water turbine generator inlet control valve is provided with a water outlet bypass branch pipe communicated with the water outlet pipe, the water outlet of the water outlet bypass branch pipe is connected with the water storage pool, the water outlet bypass branch pipe is provided with a water outlet bypass branch pipe control valve, and the water pump, the water turbine generator, the water turbine generator inlet control valve and the water outlet bypass branch pipe control valve are electrically connected with the controller.

2. A floating dock pump station excess pressure kinetic and high potential energy recovery system according to claim 1, wherein, The water inlet pipe and the water delivery pipe are respectively provided with a water pump water inlet valve and a water pump water outlet valve, and the water pump water inlet valve and the water pump water outlet valve are electrically connected with the controller.

3. The system according to claim 1, wherein, The water storage pool is provided with a water level sensor, and the water level sensor is electrically connected with the controller.

4. The system according to claim 1, wherein, The reservoir is provided with a lowest water level, a normal water level and a highest water level mark.

5. The system according to claim 1, wherein, Three groups of water pumps are arranged on the floating dock ship body.

6. The system according to claim 4, wherein, Corresponding to the lowest water level, the normal water level and the highest water level mark arranged in the reservoir, appropriate water pumps are selected.

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