Water supply device of pumped storage power station

Abstract

The utility model provides a pumped storage power station water supply device which comprises a shell, a centrifugal water pump is arranged in the shell, two ends of the shell are connected with a water inlet pipe and a water outlet pipe through flange plates and hydraulic valves, a sleeve is arranged on the outer side of the water inlet pipe, a filter plate is arranged in the water inlet pipe, and a first through groove is formed in the bottom of one side, close to the water inlet end, of the filter plate. A second through groove is formed in the bottom of the sleeve, a third through groove is formed in the bottom of the sealing pipe, a motor is arranged on the sleeve, a sliding groove is further formed in the sleeve, a sliding block penetrating through the sliding groove is arranged on the sealing pipe, and the sliding block is fixed to an output shaft of the motor through a threaded rod. Through the arrangement of the filter plate, water can be filtered before entering the centrifugal water pump, impurity accumulation is prevented, and normal operation of equipment is guaranteed; the position of the sealing pipe is controlled through the motor, impurities can be conveniently cleaned, and meanwhile convenience is provided for follow-up automatic control; and through the arrangement of the quick release assembly, the whole section can be replaced under the emergency condition of complete blockage, and a large amount of time wasted by cleaning is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pumped storage, concretely relates to a pumped storage power station water supply device. BACKGROUND

[0002] In today's energy field, pumped storage power station as an important energy storage facility, plays a vital role. The traditional pumped storage power station water supply system gradually exposes some problems in the long running process.

[0003] Among them, pumped storage power station usually takes water from natural water source, and the natural water source inevitably contains a certain amount of silt and other impurities. In the water supply process, the silt in the water is easy to enter the water supply device with the water flow, and part of the silt will accumulate in the gap of the valve and the water pump. With the passage of time, the accumulated silt will be more and more, which will affect the normal use of the valve and the water pump.

[0004] Chinese patent CN207420774U discloses a new pumped storage power station water supply device, including mounting frame, the mounting frame installs motor frame, the motor frame installs motor generator, the mounting frame and is located motor generator both sides installs fixed frame, the fixed frame installs first clutch and second clutch, the mounting frame installs centrifugal water pump, the centrifugal water pump one end installs connecting frame, the connecting frame installs rotating shaft, the rotating shaft other end is connected with first clutch, the centrifugal water pump both ends installs water inlet pipe and water outlet pipe respectively, the water inlet pipe and water outlet pipe are installed first hydraulic valve and second hydraulic valve respectively. The utility model has multiple working modes, can linkage power generation, can also carry out promotion alone, reduce the loss of energy consumption, and also improve the efficiency. But the device is still easy to accumulate silt in the gap of the valve and the water pump when in use, and the accumulated silt will affect the performance of the device after a long time use.

[0005] Therefore, it is urgent to propose a new pumped storage power station water supply device to solve the above problems. UTILITY MODEL CONTENTS

[0006] The main purpose of the utility model is to provide a pumped storage power station water supply device, which effectively solves the problems in the background art.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme:

[0008] A pumped storage power station water supply device, including shell, the shell is equipped with centrifugal water pump, the centrifugal water pump both ends are connected with water inlet pipe and water outlet pipe through flange and hydraulic valve, the water inlet pipe outside is equipped with sleeve, the water inlet pipe is equipped with filter plate, the bottom of the filter plate near the water inlet end side is equipped with first through slot,

[0009] The sleeve is internally provided with a sealing pipe, the bottom of the sleeve is provided with a second through slot, the bottom of the sealing pipe is provided with a third through slot, the sleeve is provided with a motor, the sleeve is further provided with a sliding slot, the sealing pipe is provided with a sliding block arranged through the sliding slot, and the sliding block is fixed with the output shaft of the motor through a threaded rod.

[0010] While the above technical scheme is adopted, the utility model can also adopt or combine the following technical scheme:

[0011] As a preferred technical scheme of the utility model: the flange plate is further provided with a quick release assembly, the quick release assembly is composed of a connecting block and a fixed block, the connecting block and the fixed block are fixed on the adjacent two flange plates respectively, one side of the connecting block is provided with a protruding clamping block, the clamping block is provided with a positioning groove, the fixed block is hollowed out and provided with a compression spring and a positioning block, and the positioning groove is matched with the positioning block.

[0012] As a preferred technical scheme of the utility model: the outer wall of the sealing pipe and the inner wall of the sleeve are attached.

[0013] As a preferred technical scheme of the utility model: the filter plate is provided with a plurality of filter holes.

[0014] As a preferred technical scheme of the utility model: the sliding block is provided with a perforation, and the perforation is provided with a thread.

[0015] The utility model provides a kind of pumped storage power station water supply device, with following beneficial effects: the setting of filter plate can filter before water passes through hydraulic valve and centrifugal water pump, prevent impurities accumulation, guarantee equipment normal operation;The setting of first through slot, second through slot and third through slot facilitates processing in the case of small amount of impurities;The position of sealing pipe is controlled by motor, which facilitates impurity cleaning and provides convenience for subsequent automation control;The setting of quick release assembly can replace entire section in the case of emergency such as blockage in urgent use, reduce waste of a large amount of time due to cleaning, and improve the efficiency of pumped storage power station. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structural drawing of the pumped storage power station water supply device provided by the utility model;

[0017] Figure 2 It is the partial section view of shell;

[0018] Figure 3 It is the partial section view of water inlet pipe, sleeve and sealing pipe;

[0019] Figure 4 It is the schematic view of quick release assembly;

[0020] In the figure: 1 - shell; 2 - centrifugal water pump; 3 - flange plate; 4 - hydraulic valve; 5 - water inlet pipe; 6 - water outlet pipe; 7 - sleeve; 8 - quick release assembly; 51 - filter plate; 52 - first through slot; 71 - sealing pipe; 72 - second through slot; 73 - third through slot; 74 - motor; 75 - sliding groove; 76 - sliding block; 77 - threaded rod; 81 - connecting block; 82 - fixed block; 83 - clamping block; 84 - positioning groove; 85 - compression spring; 86 - positioning block. DETAILED DESCRIPTION

[0021] The utility model will be further described in detail with reference to the drawings and specific examples.

[0022] As Figures 1-4 shown, a pumped storage power station water supply device, including shell 1, shell 1 is equipped with centrifugal water pump 2, centrifugal water pump 2 both ends are connected with water inlet pipe 5, water outlet pipe 6 through flange plate 3 and hydraulic valve 4, water inlet pipe 5 outside is equipped with sleeve 7, water inlet pipe 5 is equipped with filter plate 51, filter plate 51 is equipped with first through slot 52 on the bottom of the side near the water inlet end,

[0023] Sleeve 7 is equipped with sealing pipe 71 in, sleeve 7 bottom is equipped with second through slot 72, sealing pipe 71 bottom is equipped with third through slot 73, sleeve 7 is equipped with motor 74, sleeve 7 is also equipped with sliding groove 75, sealing pipe 71 is equipped with sliding block 76 through sliding groove 75, sliding block 76 is fixed with the output shaft of motor 74 through threaded rod 77.

[0024] Motor 74 controls the movement of sealing pipe 71, which provides convenience for subsequent automation control.

[0025] Flange plate 3 is also equipped with quick release assembly 8, quick release assembly 8 is composed of connecting block 81 and fixed block 82, connecting block 81 and fixed block 82 are fixed on adjacent two flange plates 3 respectively, one side of connecting block 81 is equipped with protruding clamping block 83, clamping block 83 is equipped with positioning groove 84, fixed block 82 is hollow and is equipped with compression spring 85 and positioning block 86, positioning groove 84 is matched with positioning block 86.

[0026] The outer wall of sealing pipe 71 and the inner wall of sleeve 7 are attached.

[0027] Filter plate 51 is equipped with a plurality of filter holes.

[0028] The size of first through slot 52, second through slot 72 and third through slot 73 is the same.

[0029] Sliding block 76 is equipped with a perforation, and the perforation is equipped with a thread.

[0030] Specifically, the above-mentioned pumped storage power station water supply device is implemented by the following way:

[0031] When water is needed, the centrifugal water pump 2 is started and the hydraulic valve 4 is opened, and water flows from the water inlet pipe 3, and the water flow first passes through the middle section filter plate 51 of the water inlet pipe 3, and the water can continue to flow through the filter holes on the filter plate 51, while the impurities in the water are blocked on the left side of the filter plate 51, and with the continuous impact of the water flow, the impurities gradually accumulate on the left side of the filter plate 51;

[0032] When the impurities need to be cleaned, the motor 74 is started to drive the threaded rod 77 to rotate, and the rotating threaded rod 77 drives the sliding block 76 to move to the right, and in turn drives the sealing pipe 71 to move synchronously, when the sealing pipe 71 moves to the right, the third through groove 73 at the bottom of the sealing pipe 71 gradually aligns with the second through groove 72 at the bottom of the sleeve 7 and the first through groove 52 at the bottom of the water inlet pipe 3, at this time, the impurities accumulated on the left side of the filter plate 51 can be discharged through the first through groove 52, the second through groove 72 and the third through groove 73, realizing the cleaning of the impurities, after cleaning, the motor 74 is started to drive the threaded rod 77 to reverse (the motor 74 uses a stepper motor or a servo motor to realize the operation of forward rotation and reverse rotation), and in turn drives the sliding block 76 and the sealing pipe 71 to move reversely to the initial position, so that the first through groove 52 and the third through groove 73 are misaligned, and the sealing is maintained;

[0033] In the emergency situation of blockage in the process of urgent use, the whole section between the water inlet pipe 5 and the flange plate 3 can be replaced to concentrate on the treatment of the blockage area, reduce the waste of a large amount of time due to the need for cleaning, and improve the efficiency of the pumped storage power station.

[0034] The above specific embodiments are used to explain and illustrate the present application, and are only preferred embodiments of the present application, but not limit the present application, any modification, equivalent replacement, improvement, etc. of the present application within the spirit and protection scope of the claims, fall into the protection scope of the present application.

Claims

1. A water supply device for pumped storage power station, comprising a shell (1), a centrifugal water pump (2) is arranged in the shell (1), the centrifugal water pump (2) is connected with an inlet pipe (5) and an outlet pipe (6) through flanges (3) and hydraulic valves (4) at both ends, characterized in that: The water inlet pipe (5) is provided with a sleeve (7) outside, the water inlet pipe (5) is provided with a filter plate (51) inside, the first through slot (52) is arranged on the bottom of the filter plate (51) near the water inlet end side, The sleeve (7) is provided with a sealing pipe (71) inside, the second through slot (72) is arranged on the bottom of the sleeve (7), the third through slot (73) is arranged on the bottom of the sealing pipe (71), the motor (74) is arranged on the sleeve (7), the sliding groove (75) is further arranged on the sleeve (7), the sliding block (76) is arranged on the sealing pipe (71) and passes through the sliding groove (75), and the sliding block (76) is fixed with the output shaft of the motor (74) through the threaded rod (77).

2. Pumped storage power plant water supply device according to claim 1, characterized in that The flange plate (3) is further provided with a quick release assembly (8), the quick release assembly (8) is composed of a connecting block (81) and a fixed block (82), the connecting block (81) and the fixed block (82) are fixed on two adjacent flange plates (3) respectively, the protruding clamping block (83) is arranged on one side of the connecting block (81), the positioning groove (84) is arranged on the clamping block (83), the fixed block (82) is hollowed out and provided with the compression spring (85) and the positioning block (86), and the positioning groove (84) is matched with the positioning block (86).

3. The pumped storage power plant water supply apparatus according to claim 1, characterized by: The outer wall of the sealing pipe (71) and the inner wall of the sleeve (7) are matched.

4. The pumped storage power plant water supply apparatus according to claim 1, characterized by: The filter plate (51) is provided with a plurality of filter holes.

5. The pumped storage power plant water supply apparatus according to claim 1, characterized by: The first through slot (52), the second through slot (72) and the third through slot (73) are the same size.

6. The pumped storage power plant water supply apparatus according to claim 1, characterized by: The sliding block (76) is provided with a perforation, and the perforation is provided with a thread.

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