CN217270588U

CN217270588U - Waste mine water pumping and energy storage system

Info

Publication number: CN217270588U
Application number: CN202123434187.0U
Authority: CN
Inventors: 孙兴伟; 韦志远; 曾旭明; 陈少峰; 王贤彪
Original assignee: East China Survey And Design Institute Fujian Co ltd
Current assignee: East China Survey And Design Institute Fujian Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-23
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a abandonment mine pumped storage system, including ground reservoir module, groundwater reservoir module, power module and water treatment module, ground reservoir module including setting up the ground reservoir in colliery ground subsidence district inside, ground reservoir below processing have the prevention of seepage to pass through the processing layer, ground reservoir one side be equipped with the water pump room just ground reservoir opposite side be equipped with the water purification treatment station, the groundwater reservoir module including set up the groundwater reservoir, water purification reservoir and the clear reservoir that highly descend in proper order and lead to the pipe intercommunication in mine goaf inside. The system has an automatic selection function, stable electric power and unstable electric power are distinguished and used, a good utilization effect is achieved, meanwhile, underground water is pretreated, the mine water after purification has low abrasion damage to blades of a power generation water turbine and a waterway pipeline, the service life of a pumped storage system is guaranteed, and economic benefits are good.

Description

Waste mine water pumping and energy storage system

Technical Field

The utility model relates to an equipment technical field is recycled to the abandonment mine, and more specifically the theory says, relates to an abandonment mine pumped storage system.

Background

At present, the main transformation utilization mode of closed domestic coal mines is to construct entertainment facilities such as mine parks, the development and utilization of waste coal mine resources are not well considered, the great waste of resources such as underground space is caused, the waste coal mines leave a large amount of coal resources and also have abundant underground space and mine water resources, after the coal mines are closed and drainage is stopped, mine water can rebound quickly to submerge the mines, certain underground water cross-layer pollution problem can be caused, and only when the mine water is reasonably utilized, the waste and pollution of the water resources can be avoided.

The existing waste mine pumped storage system does not have a selection function, electric power generated by unstable wind energy and solar energy is used for underground water lifting, the effect is not good enough, and meanwhile, related filtering and precipitating treatment is not carried out on underground water lifting, so that blades of a power generation water turbine and a waterway pipeline are abraded, and great economic loss is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an abandonment mine pumped storage system, this system have the automatic selection function, will stabilize electric power and unstable electric power and distinguish the use, reach better utilization effect, simultaneously, carried out the preliminary treatment to groundwater, the mine water after the purification is lower to the wearing and tearing injury of the hydraulic turbine blade of generating electricity and water route pipeline, has guaranteed pumped storage system's life, and economic benefits is better.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a waste mine water pumping and energy storage system comprises a ground reservoir module, a power supply module and a water treatment module, wherein the ground reservoir module comprises a ground reservoir arranged in a coal mine ground subsidence area, an anti-seepage treatment layer is processed below the ground reservoir, one side of the ground reservoir is provided with a water pump room, the other side of the ground reservoir is provided with a purified water treatment station, the ground reservoir module comprises a ground reservoir, a purified water reservoir and a clean water reservoir which are arranged in a mine goaf and are sequentially reduced in height and communicated through water pipes, the clean water reservoir is communicated to the interior of the water pump room through vertical drilling water pipes, the ground reservoir is communicated to the interior of the ground reservoir through the vertical drilling water pipes, the water pipes of the ground reservoir and the ground reservoir pass through a power generation water turbine room, the power supply module comprises a power grid, a photovoltaic power station and a wind power plant, the electric wire netting electric power input to the water pump room when passing through the circuit with the power consumption low peak, photovoltaic power plant and wind power plant pass through circuit connection to voltage detection diverging device on, voltage detection diverging device with stable electric power input to the water pump room and with unstable electric power input to the water purification treatment station.

Furthermore, the water purification station inputs raw water in the ground reservoir to a domestic water end through a water purification pipe, and the water pump room inputs redundant clean water to an industrial water end through a water outlet pipe.

Furthermore, the purified water treatment station adopts electrocoagulation, electrooxidation or reverse osmosis treatment technology, and an inorganic flocculant is added into the purified water reservoir.

Furthermore, the power generation water turbine room is connected to a power consumption peak time circuit of a power grid through a circuit.

Compared with the prior art, the utility model has the advantages that:

the utility model discloses a set up voltage detection diverging device, distinguish the stable electric power of inputing photovoltaic power plant and wind power plant and be used for the water pump room, use unstable electric power in the water purification treatment station, have the automatic selection function, reach better utilization effect; by arranging the clean water reservoir and the clean water reservoir, the underground water is pretreated, the purified mine water has lower abrasion damage to blades of the power generation water turbine and a waterway pipeline, the service life of the pumped storage system is ensured, and the economic benefit is better.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

in the figure: 1. an underground reservoir; 2. a clean water reservoir; 3. clearing the reservoir; 4. a water pipe; 5. a ground reservoir; 6. an anti-permeation treatment layer; 7. a water pump house; 8. a water outlet pipe; 9. a voltage detection shunt device; 10. a water purification treatment station; 11. a water purifying pipe; 12. a power generation turbine room; 13. an electrical circuit.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figures.

As shown in figure 1, the water pumping and energy storage system for the abandoned mine comprises a ground reservoir module, an underground reservoir module, a power supply module and a water treatment module, wherein the ground reservoir module comprises a ground reservoir 5 arranged in a ground subsidence area of a coal mine, an anti-seepage treatment layer 6 is processed below the ground reservoir 5, one side of the ground reservoir 5 is provided with a water pump room 7, the other side of the ground reservoir 5 is provided with a purified water treatment station 10, the underground reservoir module comprises an underground reservoir 1, a purified water reservoir 2 and a clear water reservoir 3 which are arranged in a mine goaf and are sequentially lowered in height and communicated through water pipes, the clear water reservoir 3 is communicated with the inside of the water pump room 7 through a vertical drilled water pipe 4, the underground reservoir 1 is communicated with the inside of the ground reservoir 5 through the vertical drilled water pipe 4, the pipelines of the underground reservoir 1 and the ground reservoir 5 pass through a power generation turbine room 12, the power supply module comprises a power grid, a photovoltaic power station and a wind power plant, the electric power input is to water pump house 7 when the electric wire netting passes through circuit 13 will use the electric power low peak, photovoltaic power plant and wind power plant are connected to on the voltage detection diverging device 9 through circuit 13, voltage detection diverging device 9 is with stable electric power input to water pump house 7 and with unstable electric power input to water purification treatment station 10, water purification treatment station 10 passes through water purification pipe 11 with the inside raw water of ground reservoir 5 and inputs the domestic water end, water pump house 7 passes through outlet pipe 8 with unnecessary clear water and inputs to the industrial water end, water purification treatment station 10 adopts electrocoagulation, electrooxidation or reverse osmosis treatment process, add inorganic flocculant in water purification reservoir 2, electricity generation hydraulic turbine house 12 is connected to on the electric wire netting electricity consumption peak hour circuit through circuit 13.

In the actual energy storage process, the high-power water pump room 7 works through electric power at the low peak of power consumption of a power grid and stable electric power of a photovoltaic power station and a wind power plant, pretreated clean water in the clean water reservoir 3 is upwards pumped into the ground reservoir 5 through the vertical drilling water pipe 4 for energy storage, and redundant clean water is input to an industrial water end through the water outlet pipe 8; during the power supply, ground reservoir 5 descends inside clear water through perpendicular drilling water pipe 4 and puts into underground reservoir 1, and the in-process erodes power generation water turbine room 12 hydraulic turbine and rotates the electricity generation, inputs electric power to electric wire netting peak hour circuit 13 on, unnecessary clear water can be through utilizing the unsteady electric drive of photovoltaic power plant and wind power plant in ground reservoir 5, carries out water purification work to the raw water, inputs the inside raw water of ground reservoir 5 to domestic water end through clear water pipe 11.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A abandoned mine pumped storage system is characterized in that: the mine underground reservoir system comprises a ground reservoir module, an underground reservoir module, a power supply module and a water treatment module, wherein the ground reservoir module comprises a ground reservoir arranged in a coal mine ground subsidence area, an anti-seepage treatment layer is processed below the ground reservoir, one side of the ground reservoir is provided with a water pump room, the other side of the ground reservoir is provided with a purified water treatment station, the underground reservoir module comprises an underground reservoir, a purified water reservoir and a clear water reservoir which are arranged in a mine goaf and are sequentially lowered in height and communicated through water pipes, the clear water reservoir is communicated into the water pump room through a vertical drilling water pipe, the underground reservoir is communicated into the ground reservoir through the vertical drilling water pipe, the water pipes of the underground reservoir and the ground reservoir pass through a power generation turbine room, the power supply module comprises a power grid, a photovoltaic power station and a wind power plant, and the power grid inputs power to the water pump room when the power consumption is low, photovoltaic power plant and wind power plant pass through circuit connection to voltage detection diverging device on, voltage detection diverging device with stable electric power input to the water pump room and with unstable electric power input to water purification treatment station.

2. The pumped-hydro energy storage system for the abandoned mine according to claim 1, wherein: the water purification station inputs raw water in the ground reservoir to a domestic water end through a water purification pipe, and the water pump room inputs redundant clean water to an industrial water end through a water outlet pipe.

3. The pit pumped-storage system of claim 1, wherein: the clean water treatment station adopts electrocoagulation, electrooxidation or reverse osmosis treatment process, and the clean water reservoir is added with inorganic flocculant.

4. The pumped-hydro energy storage system for the abandoned mine according to claim 1, wherein: the power generation water turbine room is connected to a power consumption peak time circuit of a power grid through a circuit.