CN218235337U

CN218235337U - Power station dam power generation water intaking automatically regulated dashes husky inflow device

Info

Publication number: CN218235337U
Application number: CN202222317368.3U
Authority: CN
Inventors: 邹俊; 万兴成; 汪元兵; 符振东; 汪东明; 李蒙
Original assignee: Hubei Xingfa Chemicals Group Co Ltd
Current assignee: Hubei Xingfa Chemicals Group Co Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-06
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a power station dam power generation water intaking automatically regulated washed sand inflow device, dam body one side bottom is equipped with into water box culvert, and it is provided with the washed sand water inlet to enter water box culvert below, and the box culvert that enters water communicates with the channel of intaking, is equipped with the floodgate of intaking between the box culvert of intaking and the channel of intaking, and washed sand water inlet and washed sand pipeline intercommunication are equipped with the washed sand floodgate between sand water inlet and the washed sand pipeline, and the channel of intaking and washed sand pipeline all set up in dam body bottom. The invention has the advantages of simple modification, small investment, quick effect, suitability for severe field environment, poor field working condition and high cost, thereby reducing the labor intensity and the safety risk. The use is rapid and efficient, the ecological environment is protected, and the production is kept to operate rapidly and efficiently.

Description

Power station dam power generation water intaking automatically regulated sand flushing inflow device

Technical Field

The utility model belongs to the technical field of dam gate is adjusted and specifically relates to a power station dam electricity generation water intaking automatically regulated dashes husky inflow device is related to.

Background

The sand washing and water inlet gates of the channels of the power system are mostly arranged in the field, the field environment is severe, the working condition is poor, most of the sand washing and water inlet gates are not provided with automatic lifting devices, the amount of river sundries and silt is large in the flood period of the dam in summer, the dam water inlet grid is blocked when entering the field, manual operation is usually adopted, the labor intensity is high, and the safety risk is high. Most of the dam flood discharge gates of the hydropower station system are not provided with automatic lifting devices, the automatic lifting devices are operated manually, the labor intensity is high, and the safety risk is high. In order to adjust the water quantity in the flood period in summer and improve the effective utilization. Firstly, when rainwater is more in summer, the comprehensive utilization rate of power generation of each power station is improved, comprehensive benefits are brought into play for the downstream cascade power stations, and the generated energy is increased. And secondly, the requirement of green water mountain after ecological water reforming is combined, and an equipment device suitable for automatically adjusting sand washing and dam water inflow is needed to be designed according to the principles of advanced technology, economy, reasonability, ecology, environmental protection, safety and practicability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a power station dam power generation water intaking automatically regulated sand washing inflow device, solve power station system dam flood discharge gate and mostly do not have automatic lifting device, all be manual operation, intensity of labour is great, the higher problem of safety risk.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a power station dam electricity generation water intaking automatically regulated washed sand inflow device, dam body one side bottom is equipped with into water box culvert, is provided with the washed sand water inlet below the box culvert that intakes, and the box culvert that intakes communicates with the channel of intaking, is equipped with the sluice of intaking between the box culvert of intaking and the channel of intaking, and washed sand water inlet and washed sand pipeline intercommunication are equipped with the washed sand sluice between sand water inlet and the washed sand pipeline, and the channel of intaking and washed sand pipeline all set up in dam body bottom.

In the preferred scheme, the top of the dam body is provided with an opening and closing machine chamber, a water inlet gate opening and closing machine and a sand washing gate opening and closing machine are arranged in the opening and closing machine chamber, the water inlet gate opening and closing machine is connected with a water inlet gate, and the sand washing gate opening and closing machine is connected with a sand washing gate.

In the preferred scheme, a lifting screw of the water inlet gate hoist is connected with a sleeve of the water inlet gate, and a lifting screw of the sand washing gate hoist is connected with a sleeve of the sand washing gate.

In the preferred scheme, a trash remover is arranged at the water inlet position of the water inlet box culvert, and the trash remover is a rotary trash remover.

In the preferred scheme, the water inlet of the sand washing water inlet is of a trapezoidal structure.

In the preferred scheme, the inside level gauge that is equipped with of channel of intaking, level gauge one side is equipped with rotary encoder.

In the preferred scheme, a PLC controller is further arranged in the hoist chamber and is electrically connected with the water inlet gate hoist, the sand washing gate hoist, the trash remover, the rotary encoder and the liquid level meter.

The utility model provides a power station dam power generation water intaking automatically regulated dashes husky inflow device, the level gauge device in the channel the inside transmits the PLC system according to the inflow size, and PLC system automatic control dashes husky gate screw headstock gear and inlet gate screw headstock gear and trash remover and goes up and down fast, and the carbon steel flashboard of control power station dam inlet sluice and towards husky gate goes up and down fast, plays the water yield of automatic control hydropower station dam channel. The device has the advantages of high speed, high efficiency, small equipment, light weight, compact and light structure, small occupied area and wide application. The system is suitable for severe outdoor environments of hydropower stations and places with high labor intensity of workers, and can be popularized and used in all power systems.

Drawings

The invention will be further explained with reference to the following figures and examples:

FIG. 1 is a general layout structure diagram of the present invention;

FIG. 2 is a side structural view of the present invention;

FIG. 3 is a schematic top view of the sand washing water inlet of the present invention;

FIG. 4 is a schematic view of the principle connection of the control device of the present invention;

fig. 5 is a schematic block diagram of the control device of the present invention.

In the figure: a sand washing water inlet 1; a sand washing gate 2; a sand washing pipeline 3; a water inlet channel 4; a rotary encoder 5; a liquid level meter 6; a trash remover 7; a water inlet box culvert 8; a water inlet gate 9; a dam body 10; an opening/closing chamber 11; a water inlet gate hoist 12; and a sand-washing gate hoist 13.

Detailed Description

As shown in a 1~5, the device for automatically adjusting sand flushing water inflow in power station dam power generation and water taking is characterized in that a water inlet box culvert 8 is arranged at the bottom of one side of a dam body 10 of the dam, a sand flushing water inlet 1 is arranged below the water inlet box culvert 8, the water inlet box culvert 8 is communicated with a water inlet channel 4, a water inlet gate 9 is arranged between the water inlet box culvert 8 and the water inlet channel 4, the sand flushing water inlet 1 is communicated with a sand flushing pipeline 3, a sand flushing gate 2 is arranged between the sand inlet 1 and the sand flushing pipeline 3, and the water inlet channel 4 and the sand flushing pipeline 3 are both arranged at the bottom of the dam body 10 of the dam. The inside PLC controller that still is equipped with of headstock gear room 11, PLC controller and inlet sluice headstock gear 12, sand washing floodgate headstock gear 13, trash cleaning machine 7, rotary encoder 5 and level gauge 6 electricity are connected. The water inlet of the water inlet box culvert 8 is provided with a trash remover 7, and the trash remover 7 is a rotary trash remover. The device is composed of a rotary trash remover 7, a sand-washing gate hoist device, a water inlet gate hoist device and a PLC system for automatic control. The small liquid level meter 6 device and the PLC system automatic control box are fixedly welded and installed on a hydropower station dam channel, and the PLC system automatic control box is used for fixing a gate chamber of a hoist. The rotary trash remover is arranged at the water inlet along the water flow direction of a river channel, the sand washing gate building is arranged at the bottom of the water inlet box culvert behind the trash remover, and the water inlet gate is poured and arranged at the upper position behind the sand washing gate. The liquid level meter device in the channel is transmitted to a PLC system according to the water inflow, the PLC system automatically controls the sand washing gate screw hoist, the water inlet gate screw hoist and the trash remover to rapidly lift, and controls the carbon steel flashboards of the water inlet gate and the sand washing gate of the dam of the hydropower station to rapidly lift, so that the water flow of the dam channel of the hydropower station is automatically controlled. The device has the advantages of high speed, high efficiency, small equipment, light weight, compact and light structure, small occupied area and wide application. The system is suitable for severe outdoor environments of hydropower stations and places with high labor intensity of workers, and can be popularized and used in all power systems.

In the preferred scheme, the top of the dam body 10 is provided with an opening and closing machine chamber 11, a water inlet gate opening and closing machine 12 and a sand washing gate opening and closing machine 13 are arranged inside the opening and closing machine chamber 11, the water inlet gate opening and closing machine 12 is connected with a water inlet gate 9, and the sand washing gate opening and closing machine 13 is connected with a sand washing gate 2. The lifting screw of the inlet gate hoist 12 is connected with the sleeve of the inlet gate 9, and the lifting screw of the sand washing gate hoist 13 is connected with the sleeve of the sand washing gate 2. The PLC system automatically controls the sand washing gate screw hoist, the water inlet gate screw hoist and the trash remover to rapidly lift, controls the carbon steel flashboards of the water inlet gate and the sand washing gate of the hydropower station dam to rapidly lift, and achieves the purpose of automatically controlling the water quantity of the dam channel of the hydropower station.

In the preferred scheme, the water inlet of the sand washing water inlet 1 is of a trapezoidal structure, and a trash rack is arranged outside the sand washing water inlet 1. The inlet of the sand washing gate adopts a trapezoidal groove form, so that the sand is concentrated and can be better discharged into a river channel after passing through the sand washing box culvert.

In the preferred scheme, a liquid level meter 6 is arranged in the water inlet channel 4, and a rotary encoder 5 is arranged on one side of the liquid level meter 6. The rotary encoder and the liquid level meter device in the channel are arranged below the original channel box culvert and the newly-built box culvert in series connection, and the rotary encoder and the liquid level meter device in the channel are transmitted to the PLC system to control the elevation according to the water inflow.

Example 2

Further explaining by combining with the embodiment 1, as shown in the structures of figures 1 to 5, a water inlet is newly built at the position 6 meters upstream of the original water inlet of a bottom dam of a three-pile river power station, the water inlet is excavated and laid along the river flow direction, a C30 reinforced concrete box culvert structure is adopted, the total height of the box culvert is 7.3m, the width of the box culvert is 4.8m, the length of the box culvert is 3.825 m, the thickness of a bottom plate is 1.25m, and the thickness of a side pier is 0.9m; the water inlet size (length × width) was 4.05 × 3.0m.

The rotary trash remover is vertically arranged in front of a water inlet of the reinforced concrete box culvert, and grid bars of the trash remover are poured and installed at a position which forms an angle of 90 degrees with the river direction and are obliquely installed at a position which forms an angle of 75 degrees with the water inlet box culvert. The trash remover is installed along the direction of a river, the problem that the grid bars are blocked by sundries and garbage in a flood period is effectively avoided, and the water inlet rate is efficiently utilized.

The sand washing gate is arranged at the lower end behind the rotary trash remover, and in order to meet the requirement of power generation, the line of a water inlet project is long, the amount of a dredging project is large after silt is deposited, so that the problem that the silt does not enter a diversion box culvert is considered, and a sand washing measure is adopted after a newly-built water inlet is considered.

This design sand washing floodgate arranges at water inlet box culvert linkage segment end, and the imported dovetail groove form that adopts of sand washing floodgate makes the sediment concentrate can be better discharge the river course after the box culvert through the sand washing. The sand washing gate is connected with the water inlet in sequence, the size of the hole opening is 1.0m multiplied by 1.0m, the sand washing box culvert is of a C30 reinforced concrete structure, the bottom of the sand washing box culvert is a C20 concrete cushion layer with the thickness of 10cm, and the thickness of the bottom plate of the lock chamber is 0.7m; the tail end of the gate chamber is connected with a sand washing gate through a phi 1000 steel pipe, the total length of the steel pipe is 37.0m, a C20 plain concrete pipe is wrapped, and sand washing tail water is finally discharged into a river channel.

The sand washing gate is arranged at the tail of the connecting section of the box culvert at the water inlet, in order to meet the power generation flow, the size of the orifice of the water inlet gate is 2.5m multiplied by 2.5m, the water inlet gate chamber is of a C30 reinforced concrete box culvert structure, the thickness of a top plate of the gate chamber is 0.3m, the thickness of a side wall of the gate chamber is 0.9m, and the thickness of a bottom plate of the gate chamber is 0.7m; the water inlet lock chamber and the sand washing lock chamber adopt a two-in-one structure, and the distance between the central lines of the gates is 1.0m; an opening and closing machine room is newly built on the two-gate-in-one lock room.

The sand washing gate and the water inlet gate screw hoist device are arranged in a gate chamber of the hoist, the sand washing gate hoist and the water inlet gate hoist are distributed and arranged after being exposed, a low-power motor device is used as a power transmission source, and a power supply system of the control box is automatically controlled through a PLC system.

The rotary encoder and the liquid level meter device in the channel are arranged below the original channel box culvert and the newly-built box culvert in series connection, and the rotary encoder and the liquid level meter device in the channel are transmitted to the PLC system to control the elevation according to the water inflow.

And a fixed PLC system is installed, the rotary encoder and the liquid level meter device are communicated with the PLC automatic control system according to the water inflow, and the stroke heights of the sand-flushing gate and the carbon steel gate plate of the water inlet of the dam are controlled by starting the sand-flushing gate screw hoist and the water inlet gate screw hoist, so that the water inflow is adjusted. The invention has the advantages of simple modification, small investment, quick effect, suitability for severe field environment, poor field working condition and high cost, thereby reducing the labor intensity and the safety risk. The use is rapid and efficient, the ecological environment is protected, and the production is ensured to operate rapidly and efficiently.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a power station dam electricity generation water intaking automatically regulated sand washing inflow device which characterized by: dam body (10) one side bottom is equipped with into water box culvert (8), it is provided with sand washing water inlet (1) to intake box culvert (8) below, intake box culvert (8) and intake channel (4) intercommunication, intake box culvert (8) and intake channel (4) between be equipped with into sluice (9), sand washing water inlet (1) and sand washing pipeline (3) intercommunication are equipped with between sand water inlet (1) and sand washing pipeline (3) and are washed sand sluice (2), intake channel (4) and sand washing pipeline (3) all set up in dam body (10) bottom.

2. The device for automatically adjusting the sand-flushing water inflow for power generation and water intaking of the power station dam as claimed in claim 1, wherein: the top of the dam body (10) is provided with an opening and closing machine chamber (11), a water inlet gate opening and closing machine (12) and a sand washing gate opening and closing machine (13) are arranged in the opening and closing machine chamber (11), the water inlet gate opening and closing machine (12) is connected with a water inlet gate (9), and the sand washing gate opening and closing machine (13) is connected with a sand washing gate (2).

3. The device for automatically adjusting the sand-flushing water inflow in the power station dam power generation water intake of claim 2, is characterized in that: the lifting screw of the inlet gate hoist (12) is connected with the sleeve of the inlet gate (9), and the lifting screw of the sand washing gate hoist (13) is connected with the sleeve of the sand washing gate (2).

4. The device for automatically adjusting the sand-flushing water inflow for power generation and water intaking of the power station dam as claimed in claim 1, wherein: a trash remover (7) is arranged at the water inlet of the water inlet box culvert (8), and the trash remover (7) is a rotary trash remover.

5. The device for automatically adjusting the sand-flushing water inflow in the power station dam power generation water intake according to claim 1, is characterized in that: the water inlet of the sand washing water inlet (1) is of a trapezoidal structure.

6. The device for automatically adjusting the sand-flushing water inflow in the power station dam power generation water intake according to claim 1, is characterized in that: a liquid level meter (6) is arranged in the water inlet channel (4), and a rotary encoder (5) is arranged on one side of the liquid level meter (6).

7. The device for automatically adjusting the sand-flushing water inflow in the power station dam power generation water intake according to claim 1, is characterized in that: the inside PLC controller that still is equipped with of headstock gear room (11), PLC controller and inlet sluice headstock gear (12), sand washing floodgate headstock gear (13), trash cleaning machine (7), rotary encoder (5) and level gauge (6) electricity are connected.