Automatic pumping-back device for mine acid water

Abstract

The utility model discloses an automatic pumping-back device for mine acid water. The automatic pumping-back device comprises a water collecting tank, a flashboard, a supporting framework installed on the edge of the water collecting tank, a gate lifting motor installed on a cross beam of the supporting framework, a screw rod, a controller, a liquid level meter, a steel wire rope lifting motor and a submersible pump. An output shaft of the gate lifting motor is meshed with the upper section of a screw through a gear, and the lower end of the screw is connected with a flashboard which is installed on the wall face of the water collecting pool. The steel wire rope lifting motor is connected with a beam of the supporting framework through first channel steel, an output shaft of the steel wire rope lifting motor is connected with a steel wire rope wound on the output shaft, and the free end of the steel wire rope is connected with the submersible pump located in the water collecting tank. And the controller is respectively connected with the liquid level meter, the gate lifting motor and the steel wire rope lifting motor. The device detects the liquid level value of the water collecting tank through the liquid level meter, the controller controls the steel wire rope lifting motor to control the submersible pump to move up and down, mine acid water pumping is achieved, and rainwater in the water collecting tank can be drained.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment in ore dressing stope, in particular to an automatic back-pumping device for mine acid water. Background Art

[0002] The stope is an important area existing in the ore mining process of open-pit mine enterprises at home and abroad. In the daily ore mining operation, due to the needs of operating conditions such as equipment and personnel, as well as the influence of rainy weather, a certain amount of mountain water will accumulate inside the stope. Under the action of minerals, the mountain water is strongly acidic. According to the national environmental protection development plan, the acidic mountain water in the stope needs to be back-pumped and treated to reach the standard before it can be discharged. However, the stope of open-pit mine enterprises has a large floor area, a wide range, and many water flow points, resulting in a large back-pumping force and great difficulty in treating strongly acidic mountain water, and there are environmental pollution problems.

[0003] Currently, many treatment devices have been proposed for mine acid water, but the devices have problems such as too high cost and poor sustainability, and cannot effectively treat mine acid water. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the above-mentioned deficiencies of the prior art and provide an automatic back-pumping device for mine acid water.

[0005] The utility model is realized by the following technical solutions: an automatic back-pumping device for mine acid water, including a water collection system, a control system, and a back-pumping system; the water collection system includes a water collection pool and a control gate, and the control gate includes a gate plate, a support frame, a gate lifting motor, and a screw rod; the support frame is installed on the edge of the water collection pool, the gate lifting motor is installed on the cross beam of the support frame, the output shaft of the gate lifting motor meshes with the upper section of the screw rod through a gear and drives the screw rod to lift, the lower end of the screw rod is connected to the gate plate, and the gate plate is installed on the wall surface of the water collection pool and realizes drainage or water storage as the screw rod lifts; the control system includes a controller and a liquid level gauge for detecting the liquid level value inside the water collection pool; the back-pumping system includes a wire rope lifting motor and a submersible pump; the wire rope lifting motor is connected to the cross beam of the support frame through a first channel steel, the output shaft of the wire rope lifting motor is connected with a wire rope wound on the output shaft, and the free end of the wire rope is connected to the submersible pump, and the submersible pump is located inside the water collection pool; the controller is respectively connected to the liquid level gauge, the gate lifting motor, and the wire rope lifting motor.

[0006] This device detects the liquid level value of the water collection pool through the liquid level gauge and feeds it back to the controller. After analyzing according to the design parameters, the controller transmits the execution information to the wire rope lifting motor and the gate lifting motor. The wire rope lifting motor controls the up and down movement of the submersible pump, and further controls the submersible pump to realize the back-pumping of mine acid water.

[0007] The draw-back system is provided with two wire rope lifting motors and two submersible pumps, namely the first wire rope lifting motor, the second wire rope lifting motor, the first submersible pump and the second submersible pump. The first wire rope lifting motor and the second wire rope lifting motor are arranged side by side on the first channel steel. The wire rope on the output shaft of the first wire rope lifting motor is connected to the first submersible pump, and the wire rope on the output shaft of the second wire rope lifting motor is connected to the second submersible pump. The draw-back system is provided with two sets of wire rope lifting motors and submersible pumps, which can control the draw-back better and more effectively.

[0008] The controller is installed on the side of the sump through the second channel steel.

[0009] A rain shelter is arranged at the top of the second channel steel, and the controller is located below the rain shelter. The controller is located below the rain shelter, which can prevent the controller from being wetted by rain and extend its service life.

[0010] The sluice gate is installed at the middle position of the front end of the sump, the controller is installed at the right side position of the sump, the liquid level gauge is located at the left side of the sump, and the rear end of the sump is connected to the water channel.

[0011] The control system further includes an L-shaped channel steel, which includes a vertical plate and a horizontal plate. The lower part of the vertical plate is fixed on the side of the sump, one end of the horizontal plate is fixed on the upper end of the vertical plate, and the other end of the horizontal plate is a free end extending above the internal space of the sump. The liquid level gauge is arranged on the free end of the horizontal plate.

[0012] The liquid level gauge is an X-ray liquid level gauge. The use of an X-ray liquid level gauge improves the stability and accuracy of measurement.

[0013] The length of the sump is 4m, the width is 2m, the height is 1m, and the thickness of the wall surface of the sump is 0.2m.

[0014] The length of the sluice gate is 0.5m and the height is 1m.

[0015] The sluice gate is made of stainless steel, and the support skeleton is made of stainless steel; the gate lifting motor and the wire rope lifting motor are both motors with forward and reverse functions; the submersible pump is a stainless steel submersible pump with a power of 1.5kw. The sluice gate made of stainless steel can reduce the influence of acidic mountain water, extend the service life and improve the sealing effect; the skeleton made of stainless steel is not easy to rust during use and can extend the service life; the stainless steel submersible pump is not easy to rust during use and can extend the service life. The lifting motor adopts a motor with forward and reverse functions to realize the lifting control of the gate and the lifting control of the submersible pump.

[0016] Compared with the prior art, the advantages of the present utility model are as follows: The device has a simple structure, is convenient to manufacture, has strong practicability, is easy to operate and control, and has low investment cost; the device detects the liquid level value of the sump through a liquid level gauge and feeds it back to the controller. After analyzing according to the design parameters, the controller transmits the execution information to the wire rope lifting motor and the gate lifting motor. The wire rope lifting motor controls the up and down movement of the submersible pump, thereby controlling the submersible pump to realize the back-pumping of mine acid water; the device solves the problems of large occupied area, wide range, many water flow points in the open-pit mine enterprise stope, resulting in greater back-pumping force, greater difficulty in treating strongly acidic mountain water, and environmental pollution; when the rainfall is large and the pH value of the rainwater is high, the device raises the gate plate by controlling the lifting motor of the gate to discharge the rainwater in the sump. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the embodiment of the present utility model;

[0018] Figure 2 It is the side view of the embodiment of the present utility model;

[0019] Figure 3 It is the top view of the embodiment of the present utility model.

[0020] The meanings of the reference numerals in the drawings: 1, screw rod; 2, gate lifting motor; 3, support skeleton; 4, gate plate; 5, first wire rope lifting motor; 6, first submersible pump; 7, second wire rope lifting motor; 8, second submersible pump; 9, L-shaped channel steel; 10, liquid level gauge; 11, rain shelter; 12, controller; 13, sump. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following further elaborates in detail on the content of the present utility model in conjunction with the drawings and specific embodiments.

[0022] Embodiment

[0023] Refer to Figures 1 to 3, it is a kind of automatic back-pumping device for mine acid water, including a water collection system, a control system and a back-pumping system; the water collection system includes a water collection pool 13 and a control gate, and the control gate includes a gate plate 4, a support framework 3, a gate lifting motor 2 and a screw rod 1; the support framework 3 is installed on the side of the water collection pool 13, the gate lifting motor 2 is installed on the cross beam of the support framework 3, the output shaft of the gate lifting motor 2 meshes with the upper section of the screw rod 1 through a gear and drives the screw rod 1 to lift, the lower end of the screw rod 1 is connected to the gate plate 4, and the gate plate 4 is installed on the wall of the water collection pool 13 and realizes drainage or water storage as the screw rod 1 lifts; the control system includes a controller 12 and a liquid level gauge 10 for detecting the liquid level value inside the water collection pool 13; the back-pumping system includes a wire rope lifting motor and a submersible pump; the wire rope lifting motor is connected to the cross beam of the support framework 3 through a first channel steel, the output shaft of the wire rope lifting motor is connected with a wire rope wound on the output shaft, and the free end of the wire rope is connected to the submersible pump, and the submersible pump is located inside the water collection pool 13; the controller 12 is respectively connected to the liquid level gauge 10, the gate lifting motor 2 and the wire rope lifting motor.

[0024] This device detects the liquid level value of the water collection pool 13 through the liquid level gauge 10 and feeds it back to the controller 12. After analyzing according to the design parameters, the controller 12 transmits the execution information to the wire rope lifting motor and the gate lifting motor 2. The wire rope lifting motor controls the up and down movement of the submersible pump, and then controls the submersible pump to realize the back-pumping of mine acid water.

[0025] The back-pumping system is provided with two wire rope lifting motors and two submersible pumps, namely the first wire rope lifting motor 5, the second wire rope lifting motor 7, the first submersible pump 6 and the second submersible pump 8. The first wire rope lifting motor 5 and the second wire rope lifting motor 7 are arranged side by side on the first channel steel. The wire rope on the output shaft of the first wire rope lifting motor 5 is connected to the first submersible pump 6, and the wire rope on the output shaft of the second wire rope lifting motor 7 is connected to the second submersible pump 8. The back-pumping system is provided with two sets of wire rope lifting motors and submersible pumps, which can control the back-pumping better and more effectively.

[0026] The controller 12 is installed on the side of the water collection pool 13 through a second channel steel.

[0027] A rain shelter 11 is arranged at the top of the second channel steel, and the controller 12 is located below the rain shelter 11. The controller 12 is located below the rain shelter 11, which can prevent the controller 12 from being wet by rain, extend its service life, and reduce the influence of the outdoor environment on the controller 12.

[0028] The gate plate 4 is installed at the middle position of the front end of the water collection pool 13, the controller 12 is installed at the right side position of the water collection pool 13, the liquid level gauge 10 is located at the left side of the water collection pool 13, and the rear end of the water collection pool 13 is connected to a water channel.

[0029] The control system further includes an L-shaped channel steel 9, which includes a vertical plate and a horizontal plate. The lower part of the vertical plate is fixed on the side of the sump 13, one end of the horizontal plate is fixed on the upper end of the vertical plate, and the other end of the horizontal plate is a free end extending above the internal space of the sump 13. The liquid level gauge 10 is arranged at the free end of the horizontal plate.

[0030] The liquid level gauge 10 is an X-ray liquid level gauge 10. The use of the X-ray liquid level gauge 10 improves the measurement stability and accuracy. Due to its special measurement principle, the X-ray liquid level gauge 10 can measure without directly contacting the medium, and is not affected by characteristics such as the temperature, viscosity, crystallization, corrosion, toxicity, and state of the medium, nor is it restricted by the pressure, material, wall thickness, shape, etc. of the container. It can almost be said to be the key to solving the problem of level measurement.

[0031] The length of the sump 13 is 4m, the width is 2m, the height is 1m, and the thickness of the wall of the sump 13 is 0.2m. The volume of the sump 13 is 8m 3 , and the rear end is connected to the water channel, and the volume meets the requirement of balancing the drainage flow and the back-pumping volume of the submersible pump.

[0032] The length of the gate plate 4 is 0.5m and the height is 1m.

[0033] The gate plate 4 is made of stainless steel, and the support skeleton 3 is a skeleton made of stainless steel; the gate lifting motor 2 and the wire rope lifting motor are both motors with forward and reverse functions; the submersible pump is a stainless steel submersible pump with a power of 1.5kw. The gate plate 4 made of stainless steel can reduce the influence of acidic mountain water, extend the service life, and improve the sealing effect; the skeleton made of stainless steel is not easy to rust during use and can extend the service life; the stainless steel submersible pump is not easy to rust during use and can extend the service life. The lifting motor adopts a motor with forward and reverse functions to realize the lifting control of the gate and the lifting control of the submersible pump.

[0034] In this embodiment, the sump 13 is built with concrete material, which has low cost, good stability, good sealing performance, and is less affected by acidic mountain water during use, and can extend the service life. The first channel steel, the second channel steel, the L-shaped channel steel 9, and the screw 1 are all made of stainless steel, which are not easy to rust and can extend the service life. The gate lifting motor 2 is installed at the middle position at the top of the crossbeam of the support skeleton 3. The gate lifting motor 2 is 1m high from the top of the sump 13, which can prevent the motor from being washed away due to heavy rain.

[0035] This device detects the liquid level value of the sump 13 through the liquid level gauge 10 and feeds it back to the controller 12. After analyzing according to the design parameters, the controller 12 transmits the execution information to the wire rope lifting motor and the gate lifting motor 2. The wire rope lifting motor controls the up and down movement of the submersible pump, and then controls the submersible pump to realize the back pumping of acidic water in the mine. This device solves the problems of large occupied area, wide range, many water flow points in the open-pit mine enterprise stope, resulting in greater back pumping force, difficult treatment of strongly acidic mountain water, and environmental pollution. When the rainfall is large and the pH value of the rainwater is high, this device raises the gate plate 4 by controlling the lifting motor of the gate to drain the rainwater in the sump 13.

[0036] In this embodiment, the controller 12 adopts a processor, which can be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSPs), application specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or any conventional processor, etc. The processor is the control center of this device, and connects various parts (liquid level gauge 10, gate lifting motor 2, wire rope lifting motor) through various interfaces and lines.

[0037] The above detailed description is a specific description of the feasible embodiments of the present invention, and this embodiment is not intended to limit the patent scope of the present invention. Any equivalent implementation or change without departing from the present invention shall be included in the patent scope of this case.

Claims

1. An automatic acid water back-pumping device for mines, characterized in that: It includes a water collection system, a control system, and a back-pumping system; the water collection system includes a water collection pool and a control gate, and the control gate includes a gate panel, a support framework, a gate lifting motor, and a screw rod; the support framework is installed on the side of the water collection pool, the gate lifting motor is installed on the crossbeam of the support framework, the output shaft of the gate lifting motor meshes with the upper section of the screw rod through a gear and drives the screw rod to lift and lower, the lower end of the screw rod is connected to the gate panel, and the gate panel is installed on the wall surface of the water collection pool and realizes drainage or water storage as the screw rod lifts and lowers; the control system includes a controller and a liquid level gauge for detecting the liquid level value inside the water collection pool; the back-pumping system includes a wire rope lifting motor and a submersible pump; the wire rope lifting motor is connected to the crossbeam of the support framework through a first channel steel, the output shaft of the wire rope lifting motor is connected with a wire rope wound on the output shaft, and the free end of the wire rope is connected to the submersible pump, and the submersible pump is located inside the water collection pool; the controller is respectively connected to the liquid level gauge, the gate lifting motor, and the wire rope lifting motor.

2. The automatic acid mine water pumping-back device according to claim 1, characterized in that: The back-pumping system is provided with two wire rope lifting motors and two submersible pumps, namely a first wire rope lifting motor, a second wire rope lifting motor, a first submersible pump, and a second submersible pump. The first wire rope lifting motor and the second wire rope lifting motor are arranged side by side on the first channel steel. The wire rope on the output shaft of the first wire rope lifting motor is connected to the first submersible pump, and the wire rope on the output shaft of the second wire rope lifting motor is connected to the second submersible pump.

3. The automatic acid mine water pumping-back device according to claim 1, characterized in that: The controller is installed on the side of the water collection pool through a second channel steel.

4. The automatic acid mine water pumping-back device according to claim 3, characterized in that: A rain shelter is provided at the top of the second channel steel, and the controller is located below the rain shelter.

5. The automatic acid mine water pumping-back device according to claim 1, wherein: The gate panel is installed at the middle position of the front end of the water collection pool, the controller is installed at the right side position of the water collection pool, the liquid level gauge is located at the left side of the water collection pool, and the rear end of the water collection pool is connected to a water channel.

6. The automatic acid mine water pumping-back device according to claim 1, wherein: The control system further includes an L-shaped channel steel, and the L-shaped channel steel includes a vertical plate and a horizontal plate. The lower part of the vertical plate is fixed on the side of the water collection pool, one end of the horizontal plate is fixed on the upper end of the vertical plate, and the other end of the horizontal plate is a free end extending above the internal space of the water collection pool. The liquid level gauge is arranged on the free end of the horizontal plate.

7. The automatic acid mine water pumping-back device according to claim 1, characterized in that: The liquid level gauge is an X-ray liquid level gauge.

8. The automatic acid mine water pumping-back device according to claim 1, wherein: The length of the water collection pool is 4m, the width is 2m, the height is 1m, and the thickness of the wall surface of the water collection pool is 0.2m.

9. The automatic acid mine water pumping-back device according to claim 1, characterized in that: The length of the gate panel is 0.5m and the height is 1m.

10. The automatic acid mine water pumping-back device according to claim 1, characterized in that: The gate panel is made of stainless steel, and the support framework is made of stainless steel; the gate lifting motor and the wire rope lifting motor are both motors with forward and reverse functions; the submersible pump is a stainless steel submersible pump with a power of 1.5kw.

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