Movable continuous dehydration ore pulp thickening equipment

Abstract

The utility model belongs to the technical field of mine tailing stockpiling, and particularly discloses a movable continuous dewatering ore pulp thickening device which comprises a crawler chassis, an ore pulp tank and a clear water tank are arranged in the middle of the crawler chassis, the ore pulp tank is connected with a pulp inlet pipeline, and the clear water tank is connected with a water outlet pipeline. A thickener is fixedly installed at the upper end of the ore pulp tank, and a double-power system, a pulp inlet system, a pneumatic pressurization system, a drainage system, a cleaning system and a PLC control system are arranged on the outer side of the ore pulp tank and the outer side of the clear water tank. According to the mobile continuous dehydration ore pulp thickening device, on the premise that an existing ore pulp conveying system is not changed, ore pulp is rapidly and continuously thickened, dry discharge of all tailings is achieved, the stacking site is reduced, multiple devices can be grouped for operation, and the mobile continuous dehydration ore pulp thickening device has the advantages of being convenient to move and stack and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to mine tailings stockpiling technical field especially is a kind of mobile continuous dehydration ore pulp thickening equipment. BACKGROUND

[0002] Traditional tailings processing mostly uses wet stacking method, which is characterized by simple operation, large storage area, easy to cause environmental pollution and land pollution, with the continuous improvement of mine production efficiency and output, tailings reservoir capacity is gradually reduced, and the newly-built reservoir land is in short supply, the investment cost is high, and the production and storage contradiction is increasingly obvious and difficult to solve.

[0003] In the prior art, the dry stacking technology is mostly to filter the tailings slurry, and then transport the dry material to the storage site by steam or belt conveyor, which has the problems of large one-time investment, high maintenance and management cost in operation process, and low filtration efficiency and poor effect for low concentration and fine particle slurry, which finally affects the storage cost and the stability of the stack.

[0004] Therefore, according to the current tailings reservoir storage status, there is a lack of a mobile continuous dehydration ore pulp thickening equipment that solves the above problems without changing the existing ore pulp conveying mode. UTILITY MODEL

[0005] The utility model aims at providing a kind of mobile continuous dehydration ore pulp thickening equipment, which realizes full tailings dry discharge by quickly and continuously thickening ore pulp without changing the existing ore pulp conveying system, reduces the storage site, and can operate in groups with multiple units, with the characteristics of convenient and efficient mobile storage.

[0006] To achieve the above object, the utility model provides a kind of mobile continuous dehydration ore pulp thickening equipment, including tracked chassis, the tracked chassis middle part is equipped with ore pulp tank and clean water tank, the ore pulp tank is connected with slurry inlet pipeline, the clean water tank is connected with water outlet pipeline;

[0007] The upper end of the ore pulp tank is fixedly installed with a thickener, and the outer side of the ore pulp tank and the clean water tank is provided with a double power system, a slurry inlet system, a pneumatic pressurizing system, a drainage system, a cleaning system and a PLC control system.

[0008] Preferably, the slurry inlet system, the pneumatic pressurizing system and the thickener are provided with A and B two sets, and are electrically connected with the PLC control system.

[0009] Preferably, the double power system includes a diesel engine hydraulic transmission system arranged at one end of the tracked chassis and an electric hydraulic working system arranged at the side of the clean water tank, and the electric hydraulic working system is electrically connected with the thickener.

[0010] Preferably, the pulp feeding system comprises a slurry pump, an internal circulation pneumatic pipe clamp valve and a pulp feeding pneumatic pipe clamp valve arranged on both sides of the ore pulp tank, the slurry pump comprises a B-side slurry pump and an A-side slurry pump, the internal circulation pneumatic pipe clamp valve comprises a B-side internal circulation pneumatic pipe clamp valve and an A-side internal circulation pneumatic pipe clamp valve, and the pulp feeding pneumatic pipe clamp valve comprises a B-side pulp feeding pneumatic pipe clamp valve and an A-side pulp feeding pneumatic pipe clamp valve.

[0011] One end of the B-side slurry pump is communicated with the ore pulp tank through a pipeline, the other end of the B-side slurry pump is communicated with the B-side internal circulation pneumatic pipe clamp valve through a pipeline, and the other end of the B-side slurry pump is communicated with the B-side pulp feeding pneumatic pipe clamp valve through a pipeline.

[0012] Preferably, the pneumatic pressurizing system comprises an air compressor, an air storage tank, a pneumatic pressurizing ball valve and a pressure relief ball valve, the pneumatic pressurizing ball valve and the pressure relief ball valve are arranged on the pipeline, the pneumatic pressurizing ball valve comprises an A-side pneumatic pressurizing ball valve and a B-side pneumatic pressurizing ball valve, and the pressure relief ball valve comprises an A-side pressure relief ball valve and a B-side pressure relief ball valve.

[0013] Preferably, the PLC control system comprises a PLC controller, an electromagnetic pneumatic valve, a pressure sensor, a cylinder magnetic switch and a water level sensor, the electromagnetic pneumatic valve is arranged on the side of the internal circulation pneumatic pipe clamp valve, the side of the pulp feeding pneumatic pipe clamp valve, the pneumatic pressurizing ball valve and the pressure relief ball valve, the pressure sensor is arranged on the pipeline of the pulp feeding system, the pressure sensor comprises an A-side pressure sensor and a B-side pressure sensor, and the water level sensor is arranged at a middle position in the clean water tank.

[0014] Preferably, the thickener comprises a B-side thickener and an A-side thickener, and the pulp feeding system and the pneumatic pressurizing system are connected with the B-side thickener and the A-side thickener respectively.

[0015] Preferably, the drainage system comprises a sewage pump, and the water outlet pipeline is connected with the sewage pump.

[0016] Preferably, the cleaning system comprises a water pump, a pneumatic gate valve and a spray head, the water pump is arranged in the clean water tank, the water pump is communicated with the spray head through a pipeline, and the pneumatic gate valve is arranged on the pipeline.

[0017] The pneumatic gate valve comprises an A-side pneumatic gate valve and a B-side pneumatic gate valve, the A-side pneumatic gate valve and the B-side pneumatic gate valve are communicated with the spray head respectively, and the A-side pneumatic gate valve and the B-side pneumatic gate valve are electrically connected with the PLC controller respectively.

[0018] Therefore, the mobile continuous dewatering ore pulp thickening equipment has the beneficial effects as follows:

[0019] (1) The present application realizes full tailing dry discharge by quickly and continuously thickening the ore slurry without changing the existing ore slurry conveying system, greatly reduces the cost of tailing treatment, can operate in groups by multiple units, has the characteristics of convenient and efficient mobile stacking, and speeds up the comprehensive utilization time of tailings for building materials and soil improvement.

[0020] (2) The present application can reduce the stacking site, reduce the storage capacity of the tailings pond, prolong the service life of the tailings pond, protect the local ecological environment, and reduce the pollution to the soil and water.

[0021] The technical scheme of the present application will be further described in detail below with reference to the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a right view of an embodiment of the mobile continuous dewatering ore slurry thickening equipment of the present application;

[0023] Figure 2 is a top view of an embodiment of the mobile continuous dewatering ore slurry thickening equipment of the present application;

[0024] Figure 3 is a left view of an embodiment of the mobile continuous dewatering ore slurry thickening equipment of the present application

[0025] Figure 4 is a partial enlarged view of an embodiment of the mobile continuous dewatering ore slurry thickening equipment of the present application. Figure 1

[0026] REFERENCE NUMERALS

[0027] 1, track chassis; 2, PLC control system; 3, sewage pump; 4, B-side internal circulation pneumatic pipe clamp valve; 5, B-side slurry pump; 6, air compressor; 7, gas storage tank; 8, B-side pneumatic pressure ball valve; 9, A-side pneumatic pressure ball valve; 10, B-side thickener; 11, A-side thickener; 12, diesel engine hydraulic transmission system; 13, B-side pressure sensor; 14, A-side pressure sensor; 15, B-side pulp feeding pneumatic pipe clamp valve; 16, ore slurry tank; 17, clean water tank; 18, water level sensor; 19, electric hydraulic working system; 20, A-side slurry pump; 21, slurry inlet pipeline; 22, water outlet pipeline; 23, A-side internal circulation pneumatic pipe clamp valve; 24, A-side pulp feeding pneumatic pipe clamp valve; 25, A-side pressure relief ball valve; 26, B-side pressure relief ball valve; 27, electromagnetic pneumatic valve; 28, cylinder magnetic switch; 29, water pump; 30, A-side pneumatic gate valve; 31, B-side pneumatic gate valve; 32, spray cleaning head. DETAILED DESCRIPTION

[0028] The technical scheme of the present application will be further described in detail below with reference to the drawings and examples.

[0029] ​Unless otherwise defined, technical terms or scientific terms used in the present application shall have the ordinary meaning as understood by a person of ordinary skill in the art to which the present application pertains.

[0030] Embodiment one

[0031] A mobile continuous dewatering ore pulp thickening equipment, including a track chassis 1, a middle part of the track chassis 1 is provided with an ore pulp tank 16 and a clean water tank 17, the ore pulp tank 16 is connected with an ore pulp inlet pipeline 21, and the clean water tank 17 is connected with a clean water outlet pipeline 22. A thickener is fixedly installed on the upper end of the ore pulp tank 16 and is used for dewatering tailing pulp. The outer side of the ore pulp tank 16 and the clean water tank 17 is provided with a double power system, an ore pulp inlet system, a pneumatic pressurization system, a drainage system, a cleaning system and a PLC control system 2. The ore pulp inlet system, the pneumatic pressurization system and the thickener are all divided into two sets of A and B, and are electrically connected with the PLC control system 2. That is, the thickener used for dewatering tailing pulp includes a B-side thickener 10 and an A-side thickener 11. Taking the A-side thickener 11 as an example, the A-side thickener 11 can realize dewatering of tailing pulp by forming an inner chamber for a filter plate.

[0032] Specifically, the double power system includes a diesel engine hydraulic transmission system 12 arranged at one end of the track chassis 1 and an electric hydraulic working system 19 arranged at the side of the clean water tank 17, the diesel engine hydraulic transmission system 12 is used for equipment walking, and the electric hydraulic working system 19 is electrically connected with the thickener and provides working power for the thickener.

[0033] The ore pulp inlet system includes a slurry pump arranged at both sides of the ore pulp tank 16, an inner circulation pneumatic pipe clamp valve and an ore pulp inlet pneumatic pipe clamp valve, the slurry pump includes a B-side slurry pump 5 and an A-side slurry pump 20, the inner circulation pneumatic pipe clamp valve includes a B-side inner circulation pneumatic pipe clamp valve 4 and an A-side inner circulation pneumatic pipe clamp valve 23, and the ore pulp inlet pneumatic pipe clamp valve includes a B-side ore pulp inlet pneumatic pipe clamp valve 15 and an A-side ore pulp inlet pneumatic pipe clamp valve 24. One end of the B-side slurry pump 5 is communicated with the ore pulp tank 16 through a pipeline, the other end is communicated with the B-side inner circulation pneumatic pipe clamp valve 4 through a pipeline, and meanwhile, the other end of the B-side slurry pump 5 is communicated with the B-side ore pulp inlet pneumatic pipe clamp valve 15 through a pipeline. The A-side is the same.

[0034] The pneumatic pressurization system includes an air compressor 6, an air storage tank 7, a pneumatic pressurization ball valve and a pressure relief ball valve, the pneumatic pressurization ball valve and the pressure relief ball valve are both arranged on a pipeline, the pneumatic pressurization ball valve includes an A-side pneumatic pressurization ball valve 9 and a B-side pneumatic pressurization ball valve 8, and the pressure relief ball valve includes an A-side pressure relief ball valve 25 and a B-side pressure relief ball valve 26.

[0035] The PLC control system 2 comprises a PLC controller (not marked in the figure), electromagnetic pneumatic valves 27, pressure sensors, cylinder magnetic switches 28, and water level sensors 18. Specifically, the inner circulation pneumatic pipe clamp valve and the sizing pneumatic pipe clamp valve are each provided with an electromagnetic pneumatic valve 27, and the electromagnetic pneumatic valve 27 controls the opening and closing of the inner circulation pneumatic pipe clamp valve and the sizing pneumatic pipe clamp valve by controlling the cylinder action. Similarly, the pneumatic pressurizing ball valve and the pressure relief ball valve are each provided with an electromagnetic pneumatic valve 27, and the electromagnetic pneumatic valve 27 controls the opening and closing of the pneumatic pressurizing ball valve and the pressure relief ball valve.

[0036] The pressure sensors are arranged on the pulp feeding pipeline 21, and the pressure sensors comprise an A-side pressure sensor 14 and a B-side pressure sensor 13. The A-side pressure sensor 14 and the B-side pressure sensor 13 are respectively arranged at the rear end of the A-side and B-side pulp feeding systems, and the rear end of the pulp feeding system is a thickener. The A-side pressure sensor 14 is electrically connected to the A-side thickener 11, and the B-side pressure sensor 13 is electrically connected to the B-side thickener 10, for detecting the pressure in the chamber.

[0037] The cylinder magnetic switches 28 are arranged outside each cylinder, for detecting the opening and closing positions of the cylinder piston. The water level sensors 18 are arranged at the middle position in the clean water tank 17, for detecting the feedback water level height and controlling the start and stop of the sewage pump 3.

[0038] The pulp feeding system and the pneumatic pressurizing system are respectively connected to the B-side thickener 10 and the A-side thickener 11. That is, the A-side slurry pump 20, the A-side inner circulation pneumatic pipe clamp valve 23, the A-side sizing pneumatic pipe clamp valve 24, the A-side pneumatic pressurizing ball valve 9, and the A-side pressure relief ball valve 25 are all in communication with the A-side thickener 11, and the B-side slurry pump 5, the B-side inner circulation pneumatic pipe clamp valve 4, the B-side sizing pneumatic pipe clamp valve 15, the B-side pneumatic pressurizing ball valve 8, and the B-side pressure relief ball valve 26 are all in communication with the B-side thickener 10, for realizing continuous operation.

[0039] The drainage system comprises the sewage pump 3, and the water outlet pipeline 22 is connected to the sewage pump 3. The sewage generated in the thickening process enters the clean water tank 17, and when the water level in the clean water tank 17 reaches a preset water level, the sewage pump 3 is started to ensure that the sewage is quickly discharged from the system. The cleaning system comprises a water pump 29, pneumatic gate valves, and a spray head 32. The water pump 29 is arranged in the clean water tank 17, the water pump 29 is in communication with the spray head 32 through a pipeline, and the pneumatic gate valves are arranged on the pipeline. The pneumatic gate valves comprise an A-side pneumatic gate valve 30 and a B-side pneumatic gate valve 31, which are respectively in communication with the spray head 32. The A-side pneumatic gate valve 30 and the B-side pneumatic gate valve 31 are respectively electrically connected to the PLC controller, and are respectively used for cleaning the A-side thickener 11 and the B-side thickener 10.

[0040] In actual use, the steps are as follows:

[0041] S1, the pulp feeding system starts to feed pulp: the PLC controller controls the electromagnetic pneumatic valve 27 to open, and opens the A-side pulp feeding pneumatic pipe clamp valve 24;

[0042] S2, the tailing pulp dewatering thickener and S1 simultaneously feed pulp: simultaneously start the A-side slurry pump 20, and the ore pulp enters the A-side thickener 11 through the pulp feeding pipeline 21 to be dewatered and thickened;

[0043] S3, switch the pulp feeding system to internal circulation after reaching the preset pressure or time: the A-side thickener 11 real-time pressure is transmitted back to the PLC controller through the A-side pressure sensor 14, and when the pressure reaches the preset value, the PLC controller controls the electromagnetic pneumatic valve 27 to open the A-side internal circulation pneumatic pipe clamp valve 23, and the ore pulp enters the ore pulp tank 16 to realize internal circulation;

[0044] S4, the pneumatic pressurizing system starts to add high-pressure gas to the inner chamber of the filter plate: the PLC controller controls the electromagnetic pneumatic valve 27 to open, and opens the B-side pulp feeding pneumatic pipe clamp valve 15, and simultaneously starts the B-side slurry pump 5, and the ore pulp enters the B-side thickener 10 through the pipeline to be dewatered and thickened, the PLC controller controls the electromagnetic pneumatic valve 27 to open the A-side pneumatic pressurizing ball valve 9, and the high-pressure gas enters the inner chamber of the A-side thickener 11 through the pipeline to be pressurized and dewatered;

[0045] S5, the pneumatic pressurizing system switches to release the gas in the inner chamber of the filter plate to 0 pressure after reaching the preset time: when the preset time is reached, the PLC controller closes the A-side pneumatic pressurizing ball valve 9, and opens the A-side pressure relief ball valve 25 to release the pressure in the A-side thickener chamber;

[0046] S6, open the plate and discharge: when the pressure sensor shows 0, the PLC controller controls the A-side thickener 11 to open the chamber and discharge, and the belt conveyor conveys the dry material out;

[0047] S7, clean the filter plate: the PLC controller opens the A-side pneumatic gate valve 30 through the electromagnetic pneumatic valve 27, starts the water pump 29, and the spray head 32 cleans the filter plate of the A-side thickener 11;

[0048] S8, repeat the above steps S1-S7: after cleaning, continue to repeat the above steps S1-S7. The PLC controller repeats the A-side pneumatic pressurizing step, and keeps one side of the A-side and B-side slurry pump feeding pulp and thickening at all times, the other side of the pulp is in internal circulation in the ore pulp tank 16, and one side is in pneumatic pressurized dewatering. A, B two sides work in cycles to continuously feed pulp and discharge material. That is, A and B two sets of systems are independently controlled by PLC, the time used in steps S1-S3 is equal to the time used in steps S4-S8, when the A-side reaches the "pneumatic pressurizing system starts to add high-pressure gas to the inner chamber of the filter plate" process, the B-side starts the "pulp feeding system starts to feed pulp" process.

[0049] Therefore, the mobile continuous dewatering ore pulp thickening equipment is used, under the premise of not changing the existing ore pulp conveying system, the full tailing dry discharge is realized by quickly and continuously thickening the ore pulp, the storage space is reduced, a plurality of groups can be operated, and the mobile storage is convenient and efficient.

[0050] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model and not to limit them, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solutions of the utility model can still be modified or replaced, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the utility model.

Claims

1. A mobile, continuous dewatering, thickening apparatus for mineral slurries, characterized by: Including track chassis, the track chassis middle part is equipped with ore pulp tank and clean water tank, the ore pulp tank connects into pulp pipeline, the clean water tank connects water outlet pipeline; The ore pulp tank upper end is fixedly installed with thickener, the ore pulp tank and the clean water tank outside are equipped with double power system, into pulp system, pneumatic pressurization system, drainage system, cleaning system and PLC control system.

2. A mobile continuous dewatering concentrate plant according to claim 1, characterised in that: The into pulp system, the pneumatic pressurization system and the thickener are all provided with A and B two sets, and are electrically connected with the PLC control system.

3. A mobile continuous dewatering paste plant according to claim 2, characterised in that: The double power system includes diesel engine hydraulic transmission system arranged at one end of the track chassis and electric hydraulic working system arranged at the side of the clean water tank, and the electric hydraulic working system is electrically connected with the thickener.

4. A mobile continuous dewatering concentrate plant according to claim 3, characterised in that: The into pulp system includes slurry pump, internal circulation pneumatic pipe clamp valve and pulp feeding pneumatic pipe clamp valve arranged at both sides of the ore pulp tank, the slurry pump includes B side slurry pump and A side slurry pump, the internal circulation pneumatic pipe clamp valve includes B side internal circulation pneumatic pipe clamp valve and A side internal circulation pneumatic pipe clamp valve, and the pulp feeding pneumatic pipe clamp valve includes B side pulp feeding pneumatic pipe clamp valve and A side pulp feeding pneumatic pipe clamp valve. One end of the B side slurry pump is communicated with the ore pulp tank through pipeline, the other end of the B side slurry pump is communicated with the B side internal circulation pneumatic pipe clamp valve through pipeline, and the other end of the B side slurry pump is communicated with the B side pulp feeding pneumatic pipe clamp valve through pipeline.

5. A mobile continuous dewatering concentrate plant according to claim 4, characterised in that: The pneumatic pressurization system includes air compressor, gas storage tank, pneumatic pressurization ball valve and pressure relief ball valve, the pneumatic pressurization ball valve and the pressure relief ball valve are arranged on the pipeline, the pneumatic pressurization ball valve includes A side pneumatic pressurization ball valve and B side pneumatic pressurization ball valve, and the pressure relief ball valve includes A side pressure relief ball valve and B side pressure relief ball valve.

6. A mobile continuous dewatering concentrate plant according to claim 5, characterised in that: The PLC control system includes PLC controller, electromagnetic pneumatic valve, pressure sensor, cylinder magnetic switch and water level sensor, the electromagnetic pneumatic valve is arranged on the side of the internal circulation pneumatic pipe clamp valve, the side of the pulp feeding pneumatic pipe clamp valve, the pneumatic pressurization ball valve and the pressure relief ball valve, the pressure sensor is arranged on the pipeline of the into pulp system, the pressure sensor includes A side pressure sensor and B side pressure sensor, and the water level sensor is arranged at the middle position in the clean water tank.

7. A mobile continuous dewatering paste densification apparatus as claimed in claim 6, wherein: The thickener includes B side thickener and A side thickener, and the into pulp system and the pneumatic pressurization system are connected with the B side thickener and the A side thickener respectively.

8. A mobile continuous dewatering paste densification apparatus according to claim 7, characterised in that: The drainage system includes sewage pump, and the water outlet pipeline is connected with the sewage pump.

9. A mobile continuous dewatering paste densification apparatus as claimed in claim 8, wherein: The cleaning system includes water pump, pneumatic gate valve and spray head, the water pump is arranged in the clean water tank, the water pump is communicated with the spray head through pipeline, and the pneumatic gate valve is arranged on the pipeline. The pneumatic gate valve includes A side pneumatic gate valve and B side pneumatic gate valve, the A side pneumatic gate valve and the B side pneumatic gate valve are communicated with the spray head respectively, and the A side pneumatic gate valve and the B side pneumatic gate valve are electrically connected with the PLC controller.

Images