CN216304595U - A kind of sand discharge equipment for water inlet of hydropower station - Google Patents

Abstract

The utility model discloses a hydropower station water inlet sand discharge device which comprises a sand discharge gallery, a nozzle, a liquid storage chamber, a control panel and a sand discharge passage, wherein the nozzle is installed on the inner wall of one side of the sand discharge gallery, a cleaning plate is arranged inside the sand discharge gallery on one side of the nozzle, a second strip-shaped groove is arranged at the top of the sand discharge gallery above the cleaning plate, the top end of the second strip-shaped groove extends to the outside of the sand discharge gallery, the sand discharge passage is arranged on the outer wall of one side of the sand discharge gallery, a gate opening is arranged on the inner wall of one side of the sand discharge passage, one end of the gate opening extends to the inside of the sand discharge gallery, a gate plate is installed on the inner wall of the sand discharge passage at the position of the gate opening, a building body is arranged on one side of the top end of the sand discharge passage, and a transmission box is fixed on the outer wall of one side of the building body. The utility model not only improves the sand discharging effect when the sand discharging equipment is used, avoids the phenomenon that the gate is blocked when the sand discharging equipment is used, but also improves the energy saving performance when the sand discharging equipment is used.

Description

A kind of sand discharge equipment for water inlet of hydropower station

technical field

The utility model relates to the technical field of hydropower station equipment, in particular to a water inlet sand discharge equipment of a hydropower station.

Background technique

For all hydropower stations, the water intake and sediment discharge of the water inlet of the hydropower station has always been a very important issue. In the existing sand discharge of the water inlet of the hydropower station, the sand flushing tank and the bottom hole for sand discharge are often used for sand discharge, which is difficult to achieve. To achieve the desired effect, the corresponding sand removal equipment should be used.

There are many kinds of such sand discharge equipment on the market today, which can basically meet people's needs, but there are still some shortcomings. The specific problems are as follows.

(1) The existing sand removal equipment is inconvenient for the removal of suspended sand and gravel, which makes the sand removal effect difficult to achieve as expected, and needs to be improved;

(2) The existing sand discharge equipment is inconvenient to clean the gate, which leads to the phenomenon of easy blockage, which often troubles people;

(3) The existing sand discharge equipment is inconvenient to recycle sewage, resulting in high water consumption and general energy saving.

Utility model content

The purpose of this utility model is to provide a kind of sand discharge equipment for the water inlet of the hydropower station, so as to solve the problem that the sand discharge equipment proposed in the above-mentioned background technology is inconvenient to remove suspended sand and gravel, to clean the gate, and to clean the sewage. Recycling issues.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sand discharge equipment at the water inlet of a hydropower station, comprising a sand discharge gallery, a nozzle, a liquid storage chamber, a control panel and a sand discharge channel, and a A nozzle is installed on the inner wall, and a cleaning plate is arranged inside the sand discharge gallery on one side of the nozzle, and a second strip groove is arranged on the top of the sand discharge gallery above the cleaning plate, and the top of the second strip groove extends to the sand discharge. Outside the corridor, the outer wall of the sand discharge corridor is provided with a sand discharge channel, and the inner wall of the sand discharge channel is provided with a gate, one end of the gate extends to the interior of the sand discharge corridor, and the position of the gate is A gate is installed on the inner wall of the sand discharge channel at the upper end of the sand discharge channel, a building body is arranged on one side of the top of the sand discharge channel, and a transmission box is fixed on the outer wall of one side of the building body, and the transmission box above the second strip groove is installed. The bottom of the box is provided with a first strip groove, the bottom end of the first strip groove extends to the outside of the transmission box, the center position inside the transmission box is provided with a screw rod, and one end of the screw rod is rotatably connected to the inner wall of the transmission box , and a motor is installed on the inner wall of one side of the transmission box, and the output end of the motor is installed with a rotating shaft through a coupling, and the end of the rotating shaft away from the motor is fixedly connected with one end of the screw rod, and the outer wall of the screw rod is threaded on one side. There is a nut, and a carrier is fixed at the center of the bottom end of the nut, and the end of the carrier away from the nut penetrates the first strip groove and the second strip groove in sequence and is fixedly connected with the top of the cleaning plate. There is a liquid storage tank on the side, and a liquid storage chamber is arranged at the center of the liquid storage tank, and a filter chamber is arranged inside the liquid storage tank on one side of the liquid storage chamber, and the liquid storage chamber is far away from the liquid storage tank on the side of the filter chamber. A conveying room is arranged inside, a control panel is installed at the center position of the surface of the building body, and the output end of the single-chip microcomputer inside the control panel is electrically connected with the input end of the motor.

Preferably, a high-pressure pump is installed at the center of the bottom of the delivery chamber, one end of the high-pressure pump extends to the interior of the liquid storage chamber through a conduit, and the other end of the high-pressure pump is communicated with one end of the nozzle through a conduit, so as to connect the liquid storage chamber The internal water source is delivered to the inside of the nozzle.

Preferably, a filter box is installed at the bottom end inside the filter chamber, and the outer wall of one side of the filter box extends to the interior of the liquid storage chamber through a conduit, so as to filter the sand-containing water source.

Preferably, a lock chamber is provided on one side of the top of the sand discharge channel, and an electric telescopic rod is installed on the inner wall of one side of the lock chamber, and one end of the electric telescopic rod extends to the outside of the lock chamber and is fixedly connected with the outer wall of the gate. , in order to drive the gate to translate.

Preferably, a circulation pump is installed at the center of the bottom of the sand discharge channel, a circulation pipe is installed at one end of the circulation pump, and the end of the circulation pipe away from the circulation pump extends to the interior of the filter chamber and communicates with the top of the filter box, so that The water source inside the sand discharge channel is transported to the inside of the filter box.

Preferably, a carrying rod is installed on the outer wall of one side of the cleaning plate, and a circular plate is installed on the end of the carrying rod away from the cleaning plate, and the outer wall of the circular plate is fixed with equal-spaced scraping teeth, so as to clean the gate. cleaning process.

Compared with the prior art, the beneficial effects of the present utility model are: the sand discharge equipment at the water inlet of the hydropower station not only improves the sand discharge effect when the sand discharge equipment is in use, but also avoids the phenomenon that the gate is blocked when the sand discharge equipment is used, and improves the performance of the sand discharge equipment. Energy saving when using sand discharge equipment;

(1) By being provided with a motor, a rotating shaft, a lead screw, a nut, a carrier, a first strip groove, a second strip groove and a cleaning plate, the motor is controlled by operating the control panel, so that the rotating shaft drives the lead screw in the transmission box The inside of the screw is rotated, and the moving range of the carrier is limited by the first strip groove and the second strip groove, so that the nut is located on the outer wall of the screw rod to slide, and the nut drives the cleaning plate to the row through the carrier. The interior of the sand gallery is translated synchronously to remove the suspended sand and gravel, thereby improving the sand removal effect when the sand removal equipment is used;

(2) By being provided with a carrying rod, a circular plate and a scraping tooth, when the cleaning plate moves in translation, the carrying rod drives the circular plate to translate synchronously. Since the outer wall of the circular plate is fixed with equidistant scraping teeth, it is able to face the gate. Scraping and cleaning treatment is carried out inside the sand discharge equipment, so as to avoid the phenomenon that the gate is blocked when the sand discharge equipment is in use;

(3) The circulating pump, the circulating pipe and the filter box are provided, and the circulating pump is controlled through the operation control panel, so that the water source with less sand content in the sand discharge channel is transported to the inside of the filter box through the circulating pipe, and filtered. After filtering this part of the water source, the tank flows into the liquid storage chamber through the conduit, so as to recycle this part of the water source, thereby reducing the consumption of water resources, thereby improving the energy saving of the sand discharge equipment.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the present utility model;

Fig. 2 is the enlarged structural representation of A place in Fig. 1 of the present utility model;

Fig. 3 is the enlarged structural schematic diagram at B in Fig. 1 of the present utility model;

FIG. 4 is a schematic side view of the structure of the circular plate of the present invention.

In the picture: 1. Sand discharge gallery; 2. Nozzle; 3. High pressure pump; 4. Delivery chamber; 5. Liquid storage tank; 6. Transmission box; 7. Screw rod; 8. Liquid storage chamber; 9. Filter box ;10, circulation pipe; 11, filter room; 12, building body; 13, control panel; 14, motor; 15, sand discharge channel; 16, circulating pump; 17, gate; 18, rotating shaft; 19, first line groove; 20, the second strip groove; 21, circular plate; 22, carrying rod; 23, cleaning plate; 24, nut; 25, carrying frame; 26, gate; 27, electric telescopic rod; 28, gate Warehouse; 29, scraping teeth.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-4, an embodiment provided by the present utility model: a sand discharge equipment at the water inlet of a hydropower station, including a sand discharge gallery 1, a nozzle 2, a liquid storage chamber 8, a control panel 13 and a sand discharge channel 15, A nozzle 2 is installed on the inner wall of the sand discharge gallery 1 side, and a cleaning plate 23 is arranged inside the sand discharge gallery 1 on the side of the nozzle 2, and a bearing rod 22 is installed on the outer wall of the cleaning plate 23 side, and the bearing rod 22 A circular plate 21 is installed at one end away from the cleaning plate 23, and the outer wall of the circular plate 21 is fixed with scraping teeth 29 at equal intervals, so as to clean the gate 17;

And the top of the sand discharge corridor 1 above the cleaning plate 23 is provided with a second strip groove 20, the top of the second strip groove 20 extends to the outside of the sand discharge corridor 1, and the outer wall on one side of the sand discharge corridor 1 is provided. There is a sand discharge channel 15, a lock chamber 28 is provided on one side of the top of the sand discharge channel 15, and an electric telescopic rod 27 is installed on the inner wall of one side of the lock chamber 28. The model of the electric telescopic rod 27 can be ANT-26, electric One end of the telescopic rod 27 extends to the outside of the lock chamber 28 and is fixedly connected with the outer wall of the gate 26, and the input end of the electric telescopic rod 27 is electrically connected with the output end of the single-chip microcomputer inside the control panel 13, so as to drive the gate 26 to translate;

And a gate 17 is provided on the inner wall of one side of the sand discharge channel 15, one end of the gate 17 extends to the interior of the sand discharge gallery 1, and a gate 26 is installed on the inner wall of the sand discharge channel 15 at the position of the gate 17, and the sand discharge channel One side of the top of 15 is provided with a building body 12, and a transmission box 6 is fixed on the outer wall of one side of the building body 12, and the bottom of the transmission box 6 above the second strip groove 20 is provided with a first strip groove 19, The bottom end of the first strip groove 19 extends to the outside of the transmission case 6 , a screw rod 7 is provided at the center of the inner part of the transmission case 6 , one end of the screw rod 7 is rotatably connected with the inner wall of the transmission case 6 , and the transmission case 6 one A motor 14 is installed on the inner wall of the side, the model of the motor 14 can be Y90S-2, and the output end of the motor 14 is installed with a rotating shaft 18 through a coupling, and the end of the rotating shaft 18 away from the motor 14 is fixedly connected with one end of the lead screw 7 A nut 24 is threaded on the outer wall of one side of the screw rod 7, and a carrier 25 is fixed at the center of the bottom end of the nut 24. The end of the carrier 25 away from the nut 24 runs through the first strip groove 19 and the second strip The tank 20 is fixedly connected with the top of the cleaning plate 23, a liquid storage tank 5 is provided on one side of the top of the transmission box 6, and a liquid storage chamber 8 is provided at the central position inside the liquid storage tank 5, and one side of the liquid storage chamber 8 is provided. There is a filter chamber 11 inside the liquid storage tank 5, a filter box 9 is installed at the bottom end of the filter chamber 11, and the outer wall on one side of the filter box 9 extends to the interior of the liquid storage chamber 8 through a conduit, so as to filter the sand-containing water source. deal with;

A circulating pump 16 is installed at the center of the bottom of the sand discharge channel 15. The model of the circulating pump 16 can be TD65-40/2/11KW. One end of the circulating pump 16 is provided with a circulating pipe 10, and one end of the circulating pipe 10 away from the circulating pump 16 extends to the inside of the filter chamber 11 and communicates with the top of the filter box 9, so as to transport the water source inside the sand discharge channel 15 to the filter box 9's interior;

The liquid storage chamber 8 is provided with a transfer chamber 4 inside the liquid storage tank 5 on the side away from the filter chamber 11, and a high-pressure pump 3 is installed at the center of the bottom of the transfer chamber 4. The model of the high-pressure pump 3 can be 150QJ20-54/9, One end of the high-pressure pump 3 extends to the interior of the liquid storage chamber 8 through a conduit, and the other end of the high-pressure pump 3 is connected to one end of the nozzle 2 through a conduit. , so as to transport the water source inside the liquid storage chamber 8 to the inside of the nozzle 2;

A control panel 13 is installed at the center of the surface of the building body 12 , and the model of the control panel 13 can be GC-1.

Working principle: When the sand discharge equipment is in use, the water source is first injected into the liquid storage chamber 8 through the liquid injection port on the top of the liquid storage tank 5, and the high-pressure pump 3 is controlled by operating the control panel 13 to make the liquid storage chamber 8 inside. The water source is transported to the inside of the nozzle 2 and sprayed to the inside of the sand discharge gallery 1, and then the control panel 13 is operated to control the electric telescopic rod 27 to drive the gate 26 to move in translation. At this time, the gate 17 is in an open and closed state, so that the The sand-containing water source inside the sand discharge gallery 1 flows into the sand discharge channel 15 through the gate 17 and is discharged to achieve the purpose of sand discharge. Then, the motor 14 is controlled by the operation control panel 13 so that the screw 7 is driven by the rotating shaft 18. It is located inside the transmission box 6 and rotates. After the movement range of the carrier frame 25 is limited by the first strip groove 19 and the second strip groove 20, the nut 24 is located on the outer wall of the lead screw 7 to slide, and makes the nut 24 slide. The nut 24 drives the cleaning plate 23 to move synchronously inside the sand discharge corridor 1 through the carrier 25, so as to remove the suspended sand and gravel, and improve the sand discharge effect when the sand discharge equipment is in use. The circular plate 21 is driven to translate synchronously by the bearing rod 22. Because the outer wall of the circular plate 21 is fixed with equal-spaced scraping teeth 29, it scrapes and cleans the interior of the gate 17, avoiding the gate when the sand discharge equipment is in use. 17. The phenomenon of blockage occurs. Finally, the circulating pump 16 is controlled by operating the control panel 13, so that the water source with less sand content in the sand discharge channel 15 is transported to the inside of the filter box 9 through the circulating pipe 10. After this part of the water source is filtered, it flows into the liquid storage chamber 8 through the conduit, so that this part of the water source can be recycled, thereby reducing the consumption of water resources and improving the energy saving of the sand discharge equipment. Use of sand equipment.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention may be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. The utility model provides a power station water inlet sand discharging equipment, includes sand discharging corridor (1), nozzle (2), holds room (8), control panel (13) and sand discharging passage (15), its characterized in that: the sand discharge gallery comprises a sand discharge gallery (1), a nozzle (2) is installed on the inner wall of one side of the sand discharge gallery (1), a cleaning plate (23) is arranged inside the sand discharge gallery (1) on one side of the nozzle (2), a second strip-shaped groove (20) is formed in the top of the sand discharge gallery (1) above the cleaning plate (23), the top end of the second strip-shaped groove (20) extends to the outside of the sand discharge gallery (1), a sand discharge passage (15) is arranged on the outer wall of one side of the sand discharge gallery (1), a gate opening (17) is formed in the inner wall of one side of the sand discharge passage (15), one end of the gate opening (17) extends to the inside of the sand discharge gallery (1), a gate plate (26) is installed on the inner wall of the sand discharge passage (15) at the position of the gate opening (17), a building body (12) is arranged on one side of the top end of the sand discharge passage (15), a transmission box (6) is fixed on the outer wall of one side of the building body (12), and a first strip-shaped groove (19) is formed in the bottom of the transmission box (6) above the second strip-shaped groove (20), the bottom of the first strip-shaped groove (19) extends to the outside of the transmission case (6), a lead screw (7) is arranged at the central position inside the transmission case (6), one end of the lead screw (7) is rotatably connected with the inner wall of the transmission case (6), a motor (14) is installed on the inner wall of one side of the transmission case (6), a rotating shaft (18) is installed at the output end of the motor (14) through a coupler, one end, far away from the motor (14), of the rotating shaft (18) is fixedly connected with one end of the lead screw (7), a nut (24) is in threaded connection with the outer wall of one side of the lead screw (7), a bearing frame (25) is fixed at the central position of the bottom end of the nut (24), one end, far away from the nut (24), of the bearing frame (25) sequentially penetrates through the first strip-shaped groove (19) and the second strip-shaped groove (20) and is fixedly connected with the top end of the cleaning plate (23), a liquid storage tank (5) is arranged on one side of the top end of the transmission case (6), and the center position department that holds the inside of liquid case (5) is equipped with and holds liquid chamber (8), and hold the inside filter chamber (11) that is equipped with of liquid case (5) of liquid chamber (8) one side, hold liquid chamber (8) and keep away from the inside conveying chamber (4) that is equipped with of liquid case (5) of filter chamber (11) one side, control panel (13) are installed to the center position department on building body (12) surface, and the output of the inside singlechip of control panel (13) and the input electric connection of motor (14).

2. The hydropower station water inlet sand discharge device according to claim 1, characterized in that: the center position department of transfer chamber (4) bottom installs high-pressure pump (3), and the inside of liquid storage chamber (8) is extended to the one end of high-pressure pump (3) through the pipe, and the other end of high-pressure pump (3) is linked together through the pipe and the one end of nozzle (2).

3. The hydropower station water inlet sand discharge device according to claim 1, characterized in that: the bottom end of the interior of the filtering chamber (11) is provided with a filtering box (9), and the outer wall of one side of the filtering box (9) extends to the interior of the liquid storage chamber (8) through a guide pipe.

4. The hydropower station water inlet sand discharge device according to claim 1, characterized in that: arrange sand passageway (15) one side at top and be equipped with floodgate storehouse (28), and install electric telescopic handle (27) on the inner wall of floodgate storehouse (28) one side, the one end of electric telescopic handle (27) extend to the outside of floodgate storehouse (28) and with the outer wall fixed connection of flashboard (26).

5. The hydropower station water inlet sand discharge device according to claim 3, wherein: the central position department of row's sand passageway (15) bottom installs circulating pump (16), and circulating pipe (10) are installed to the one end of circulating pump (16), and circulating pipe (10) keep away from the inside that extends to filter chamber (11) and is linked together with the top of rose box (9) of circulating pump (16).

6. The hydropower station water inlet sand discharge device according to claim 1, characterized in that: the outer wall of one side of the cleaning plate (23) is provided with a bearing rod (22), one end, far away from the cleaning plate (23), of the bearing rod (22) is provided with a circular plate (21), and the outer wall of the circular plate (21) is fixed with scraping teeth (29) at equal intervals.

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