Water supply equipment of hydroelectric power station

Abstract

The utility model discloses water supply equipment of a hydroelectric power station, which comprises a water receiving tank, a water inlet channel fixedly mounted on one side of the water receiving tank, water baffles arranged on the inner walls of the two sides of the water inlet channel, partition plates fixedly mounted on the inner walls of the two sides of the water inlet channel, and a separation mechanism arranged inside the water inlet channel. The separation mechanism comprises first clamping grooves, first filter plates, a stone outlet groove, a gravel through pipe and a control valve, the first clamping grooves are formed in the two sides of the water inlet channel, the first filter plates are slidably connected to the inner walls of the two sides of the two first clamping grooves, the stone outlet groove is formed in the bottom of the water inlet channel, and the gravel through pipe is fixedly installed at the top end of the stone outlet groove. River water is filtered for the first time through a first filter plate, large sand and stones are filtered, then the river water is filtered again through a second filter plate, fine sand and stones are prevented from entering a water receiving pool, then the filtered sand and stones are discharged through a stone discharging groove and a control valve, accumulation of the sand and stones is prevented, and the sand and stones can be discharged; and the sand entering the water receiving tank is reduced.

Description

Technical Field

[0001] The utility model relates to the field of water supply of a hydroelectric power station, in particular to water supply equipment of a hydroelectric power station. Background Art

[0002] The existing water supply facilities of small hydroelectric power stations include a water receiving pool, an inlet channel, an overflow channel and an outlet pipe. A turbine is installed in the water receiving pool, and then the river water in the inlet channel flows into the turbine generator set to generate electricity.

[0003] The utility model patent with patent application number 202120744142.4 discloses the water supply facilities of a hydroelectric power station. The sand and gravel therein are filtered only once, and the sand and gravel are not collected and discharged uniformly after filtration. This makes it easy for blockage to occur during filtration, thus affecting the water supply of the hydroelectric power station. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a water supply device for a hydroelectric power station to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model proposes a water supply device for a hydroelectric power station, comprising a water receiving pool, a water inlet channel is fixedly installed on one side of the water receiving pool, water baffles are provided on the inner walls of both sides of the water inlet channel, and partitions are fixedly installed on the inner walls of both sides of the water inlet channel;

[0006] A separation mechanism is provided inside the water inlet channel, and the separation mechanism includes a first clamping groove, a first filter plate, a stone outlet groove, a sand and gravel pipe and a control valve. First clamping grooves are opened inside both sides of the water inlet channel, and the inner walls on both sides of the two first clamping grooves are slidably connected with first filter plates. A stone outlet groove is installed at the bottom of the water inlet channel, and a sand and gravel pipe is fixedly installed on the top of the stone outlet groove. The outer ring of the sand and gravel pipe is rotatably connected to the control valve.

[0007] In one example, second slots are provided on both inner walls of the water inlet channel, and second filter plates are slidably connected to both inner walls of the two second slots.

[0008] In one example, a driving motor is fixedly installed on one side of the water inlet channel, and a rotating shaft that penetrates and extends into the water inlet channel is fixedly installed on the output shaft of the driving motor.

[0009] In one example, a fixed shaft is rotatably connected to one side of the water inlet channel, and the fixed shaft penetrates and extends into the water inlet channel. The fixed shaft is connected to the outer ring of the rotating shaft through a pulley group.

[0010] In one example, a knocking plate is fixedly mounted on one end of the rotating shaft and the fixed shaft located in the water inlet channel.

[0011] In one example, a water outlet pipe is fixedly installed at the bottom of the water receiving pool, and two support plates are fixedly installed at the bottom of the water receiving pool.

[0012] The water supply equipment of a hydroelectric power station proposed by the utility model can bring the following beneficial effects:

[0013] 1. The water supply equipment of the hydroelectric power station filters the river water for the first time through the first filter plate to filter out the larger sand and gravel, and then filters the river water again through the second filter plate to prevent the fine sand and gravel from entering the water receiving pool, and then discharges the filtered sand and gravel through the stone outlet trough and the control valve to prevent its accumulation, and can discharge the sand and gravel to reduce the sand and gravel entering the water receiving pool.

[0014] 2. The water supply equipment of the hydroelectric power station drives the rotating shaft to rotate through a driving motor, and drives the fixed shaft to rotate through a pulley group, so that two knocking plates knock and vibrate the first filter plate and the second filter plate respectively, so as to shake off the sand and gravel stuck in the gap, clean it, and filter the river water more permanently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional structural diagram of the water inlet channel of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection structure between the knocking plate and the second filter plate of the utility model.

[0019] In the figure: 1, water receiving pool; 2, water inlet channel; 3, first slot; 4, first filter plate; 5, second slot; 6, second filter plate; 7, stone outlet trough; 8, sand and gravel pipe; 9, control valve; 10, partition; 11, water retaining plate; 12, knocking plate; 13, rotating shaft; 14, driving motor; 15, fixed shaft; 16, support plate; 17, water outlet pipe. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0021] like Figure 1 to Figure 3As shown, the embodiment of the utility model provides a water supply device for a hydroelectric power station, including a water receiving pool 1, a water inlet channel 2 is fixedly installed on one side of the water receiving pool 1, a water retaining plate 11 is provided on the inner walls of both sides of the water inlet channel 2, and a partition plate 10 is fixedly installed on the inner walls of both sides of the water inlet channel 2;

[0022] A separation mechanism is provided inside the water inlet channel 2, and the separation mechanism includes a first card slot 3, a first filter plate 4, a stone outlet slot 7, a sand and gravel pipe 8 and a control valve 9. First card slots 3 are opened inside both sides of the water inlet channel 2, and the inner walls on both sides of the two first card slots 3 are slidably connected with the first filter plates 4. A stone outlet slot 7 is installed at the bottom of the water inlet channel 2, and a sand and gravel pipe 8 is fixedly installed on the top of the stone outlet slot 7. The outer ring of the sand and gravel pipe 8 is rotatably connected with the control valve 9.

[0023] Specifically, second card slots 5 are provided on the inner walls on both sides of the water inlet channel 2, and second filter plates 6 are slidably connected to the inner walls on both sides of the two second card slots 5. The second filter plates 6 are installed through the second card slots 5, and the second filter plates 6 block and filter the sand and gravel in the water inlet channel 2 again to prevent it from entering the water receiving pool 1.

[0024] Specifically, a drive motor 14 is fixedly installed on one side of the water inlet channel 2, and a rotating shaft 13 that penetrates and extends into the water inlet channel 2 is fixedly installed on the output shaft of the drive motor 14. The rotating shaft 13 is driven to rotate by the drive motor 14, and the rotating shaft 13 drives the fixed shaft 15 to rotate through a pulley group.

[0025] Specifically, a fixed shaft 15 is rotatably connected to one side of the water inlet channel 2, and the fixed shaft 15 passes through and extends into the water inlet channel 2. The fixed shaft 15 is connected to the outer ring of the rotating shaft 13 through a pulley group, and the knocking plate 12 is driven to rotate through the rotating shaft 13 and the fixed shaft 15.

[0026] Specifically, a knocking plate 12 is fixedly installed on one end of the rotating shaft 13 and the fixed shaft 15 located in the water inlet channel 2. The knocking plate 12 rotates to knock and vibrate the first filter plate 4 and the second filter plate 6 to prevent fine sand and gravel from getting stuck in the gaps.

[0027] Specifically, a water outlet pipe 17 is fixedly installed at the bottom of the water receiving pool 1 , and two support plates 16 are fixedly installed at the bottom of the water receiving pool 1 . Water in the water receiving pool 1 is discharged through the water outlet pipe 17 , and the support plates 16 support and fix the water receiving pool 1 .

[0028] Working principle: Pull open the water baffle 11 to filter the river water through the first filter plate 4, and perform preliminary filtration on the larger sand and gravel therein. The filtered river water is then filtered through the second filter plate 6 to prevent fine sand and gravel from flowing into the water receiving pool 1. When the first filter plate 4 and the second filter plate 6 need to be cleaned, close the water baffle 11 at this time, and then start the drive motor 14 to drive the rotating shaft 13 to rotate, and drive the fixed shaft 15 to rotate through the pulley group, so that the two knocking plates 12 will knock the first filter plate 4 and the second filter plate 6 respectively, and the sand and gravel stuck in the gap will be shaken into the stone outlet trough 7, and then the control valve 9 will be rotated to discharge the sand and gravel in the stone outlet trough 7 through the sand and gravel pipe 8, so as to prevent excessive sand and gravel from clogging the water inlet channel 2 and preventing sand and gravel from entering the water receiving pool 1.

[0029] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0030] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A water supply device for a hydroelectric power station, comprising a water receiving pool (1), a water inlet channel (2) being fixedly mounted on one side of the water receiving pool (1), water retaining plates (11) being provided on both inner walls of the water inlet channel (2), and partition plates (10) being fixedly mounted on both inner walls of the water inlet channel (2); Features: A separation mechanism is provided inside the water inlet channel (2), and the separation mechanism comprises a first clamping groove (3), a first filter plate (4), a stone outlet groove (7), a sand and gravel pipe (8) and a control valve (9). First clamping grooves (3) are provided inside the two sides of the water inlet channel (2), and the inner walls of the two sides of the two first clamping grooves (3) are slidably connected with the first filter plates (4). The bottom of the water inlet channel (2) is provided with a stone outlet groove (7), and the top of the stone outlet groove (7) is fixedly provided with a sand and gravel pipe (8), and the outer ring of the sand and gravel pipe (8) is rotatably connected with the control valve (9).

2. The water supply equipment of a hydroelectric power station according to claim 1, characterized in that: Second clamping grooves (5) are provided on both inner walls of the water inlet channel (2), and second filter plates (6) are slidably connected to both inner walls of the two second clamping grooves (5).

3. The water supply equipment of a hydroelectric power station according to claim 2, characterized in that: A driving motor (14) is fixedly mounted on one side of the water inlet channel (2), and a rotating shaft (13) penetrating through and extending into the water inlet channel (2) is fixedly mounted on the output shaft of the driving motor (14).

4. The water supply equipment of a hydroelectric power station according to claim 3, characterized in that: A fixed shaft (15) is rotatably connected to one side of the water inlet channel (2), and the fixed shaft (15) penetrates and extends into the water inlet channel (2). The fixed shaft (15) is connected to the outer ring of the rotating shaft (13) through a pulley group.

5. The water supply equipment of a hydroelectric power station according to claim 4, characterized in that: A knocking plate (12) is fixedly mounted on one end of the rotating shaft (13) and the fixed shaft (15) located in the water inlet channel (2).

6. The water supply equipment of a hydroelectric power station according to claim 1, characterized in that: A water outlet pipe (17) is fixedly mounted on the bottom of the water receiving pool (1), and two support plates (16) are fixedly mounted on the bottom of the water receiving pool (1).

Images