Ore grinding pump pool liquid level detection control equipment

Abstract

The utility model discloses ore grinding pump pool liquid level detection control equipment which comprises a pump pool body, a supporting installation groove is formed in the inner wall of a supporting frame on one side of the pump pool body, an ore pulp conveying pipeline and the supporting installation groove are installed in an inserted mode, and an electric adjusting valve is installed in the middle of the ore pulp conveying pipeline in a communicated mode. And the other end of the ore pulp conveying pipeline is communicated with an ore pulp conveying pump. The liquid level detection control equipment for the ore grinding pump pool can carry out ultrasonic liquid level detection through the liquid level meter, is higher in precision, can take the PLC as a control unit, has the advantages of high response speed, flexible control logic and the like, can quickly make an accurate control decision according to the liquid level change, and is suitable for popularization and application. The control over the electromagnetic valve, the pump frequency of the ore pulp conveying pump and the electric adjusting valve is achieved, the liquid level of the pump pool body is automatically adjusted, the stability of the ore grinding technological process is improved, the overall structure of the equipment is simple, the liquid level meter is conveniently disassembled and assembled through power of the threaded installation block and the threaded installation groove, and the maintenance cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ore pulp processing equipment, in particular to a grinding ore pump pool liquid level detection control equipment. BACKGROUND

[0002] In the production process of ore smelting, the raw ore obtained by mining cannot meet the smelting requirements, so the raw ore needs to be beneficiated first to obtain concentrate that meets the smelting requirements for the smelting process. The beneficiation operation mainly includes crushing and screening of raw ore, grinding and classification, separation, and concentrate dewatering. Among them, the grinding process is to crush the crushed ore to a suitable particle size, and to provide the crushed ore to the separation process. In the grinding process, the effective mineral components can be separated from the gangue as the ore is crushed, and different effective mineral components can be separated from each other. The grinding operation is a key process for providing separation raw materials. The control of the grinding process will directly affect whether the particle size of the grinding product can reach the appropriate particle size, and further affect the separation process and the quality of the beneficiation product.

[0003] In the ore grinding process, the grinding pump pool plays an important role in storing and transporting ore pulp. The liquid level of the grinding pump pool directly affects the stability of the subsequent process and the normal operation of the equipment.

[0004] The prior art CN201310722091.5 discloses a method and device for controlling the liquid level of an ore pulp pump pool in a grinding and classification process. The adjustment value calculated from the change value of the ore pulp volume can more accurately adjust the output flow of the pump pool to the ore pulp flow injected into the pump pool, thereby more accurately maintaining the stability of the liquid level in the pump pool, and thus making the classification effect of the grinding and classification process more stable. However, there are some deficiencies. The existing control equipment has a slow response speed and cannot adjust in time according to the change in the liquid level. Moreover, some existing liquid level detection control equipment has a complex structure and high maintenance cost, which is not convenient for popularization and application in actual production, thereby the grinding ore pump pool liquid level detection control equipment is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a grinding ore pump pool liquid level detection control equipment to solve the problems of slow response speed of the control equipment of the method and device for controlling the liquid level of the ore pulp pump pool in the grinding and classification process, and the inability to adjust in time according to the change in the liquid level. Moreover, some existing liquid level detection control equipment has a complex structure and high maintenance cost, which is not convenient for popularization and application in actual production.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of ore grinding pump pool liquid level detection control equipment, including pump pool main body, the one side of pump pool main body upper end is connected and is installed with ore pulp feeding pipeline, and the other side lower end of pump pool main body is connected and is installed with ore pulp conveying pipeline, support frame is vertically installed on the lower end of the outer wall of pump pool main body, and PLC controller is installed in the lower end of the front side of pump pool main body, the one side edge of the upper end of pump pool main body is connected and is installed with water replenishment pipeline, and solenoid valve is connected and is installed in water replenishment pipeline middle, the upper end of pump pool main body is equipped with threaded mounting block, threaded mounting groove is inserted and installed in the inner wall of threaded mounting block, and liquid level meter is installed in the upper end of threaded mounting groove, the pump pool main body is inserted and installed with liquid level meter, alarm is installed on the other side of the upper end of pump pool main body, and maintenance opening is formed in the other side edge of the upper end of pump pool main body, connecting hinge is installed on the one side of maintenance opening upper end, and sealing cover plate is installed with connecting hinge other side overturning, maintenance ladder is installed in the rear side edge of the inner wall of pump pool main body, support installation groove is formed in the inner wall of the support frame of the one side of pump pool main body, and ore pulp conveying pipeline is inserted and installed with support installation groove, and electric regulating valve is connected and is installed in ore pulp conveying pipeline middle, ore pulp conveying pump is connected and is installed in the other end of ore pulp conveying pipeline.

[0007] Preferably, the ore pulp conveying pipeline is wrapped and supported by the support installation groove and the support frame.

[0008] Preferably, the ore pulp conveying pump, the liquid level meter, the alarm and the electric regulating valve are electrically connected to the PLC controller, the liquid level meter is an ultrasonic liquid level meter, and the alarm is an audible and visual structure.

[0009] Preferably, the support frames are distributed in an annular position on the outer wall of the pump pool main body, and the support frames have a trapezoidal structure.

[0010] Preferably, the liquid level meter is rotatably inserted and spliced with the pump pool main body through the threaded mounting block and the threaded mounting groove.

[0011] Preferably, the sealing cover plate is sealed and opened with the maintenance opening through the connecting hinge, the maintenance ladders are distributed in a position adhering to the maintenance opening, and the length of the maintenance ladders is the same as the depth of the pump pool main body.

[0012] Compared with the prior art, the ore grinding pump pool liquid level detection control equipment can detect the liquid level by the liquid level meter, has higher precision, and can use the PLC controller as a control unit, has the advantages of fast response speed, flexible control logic, etc., can make accurate control decisions quickly according to the change of the liquid level, control the solenoid valve, the pump frequency of the ore pulp conveying pump and the electric regulating valve, automatically adjust the liquid level of the pump pool main body, improve the stability of the ore grinding process, and the overall structure of the equipment is simple, the liquid level meter is convenient to power on and off through the threaded mounting block and the threaded mounting groove, and the maintenance cost is low. Attached Figure Description

[0013] Figure 1 This is a front view of a grinding pump tank liquid level detection and control device according to the present invention;

[0014] Figure 2 This is a schematic diagram of the internal structure of a grinding pump tank liquid level detection and control device according to the present invention;

[0015] Figure 3 This utility model relates to a grinding pump tank liquid level detection and control device. Figure 2 Enlarged view of point A in the middle;

[0016] Figure 4 This utility model relates to a grinding pump tank liquid level detection and control device. Figure 2 Enlarged view at point B in the middle;

[0017] Figure 5 This utility model relates to a grinding pump tank liquid level detection and control device. Figure 2 Enlarged view of point C in the middle.

[0018] In the diagram: 1. Pump pool body, 2. Slurry feed pipe, 3. Slurry conveying pipe, 4. Slurry conveying pump, 5. PLC controller, 6. Support frame, 7. Water supply pipe, 8. Solenoid valve, 9. Level gauge, 10. Alarm, 11. Sealing cover, 12. Electric regulating valve, 13. Maintenance ladder, 14. Threaded mounting block, 15. Threaded mounting groove, 16. Connecting hinge, 17. Maintenance port, 18. Support mounting groove. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-5The utility model provides a technical scheme: a kind of ore grinding pump pool liquid level detection control equipment, including pump pool main body 1, ore pulp feeding pipeline 2, ore pulp conveying pipeline 3, ore pulp conveying pump 4, PLC controller 5, support frame 6, water replenishing pipeline 7, solenoid valve 8, liquid level meter 9, alarm 10, sealing cover plate 11, electric regulating valve 12, maintenance ladder 13, threaded mounting block 14, threaded installation groove 15, connecting hinge 16, maintenance opening 17 and support installation groove 18, ore pulp feeding pipeline 2 is communicated and installed in one side of pump pool main body 1 upper end, and ore pulp conveying pipeline 3 is communicated and installed in another side lower end of pump pool main body 1, and ore pulp conveying pipeline 3 is wrapped with support frame 6 by support installation groove 18 and support installation, so that ore pulp conveying pipeline 3 can be supported and protected at the connection of pump pool main body 1, installation is stable, and support frame 6 is vertically installed on the outer wall lower end of pump pool main body 1, and PLC controller 5 is installed on the front lower end of pump pool main body 1, support frame 6 is annularly distributed on the outer wall of pump pool main body 1, and support frame 6 is trapezoidal structure, so that support frame 6 supports and protects pump pool main body 1, plays side auxiliary support, and the structure is stable.

[0021] water replenishing pipeline 7 is communicated and installed in one side edge of pump pool main body 1 upper end, and solenoid valve 8 is communicated and installed in the middle of water replenishing pipeline 7, threaded installation block 14 is arranged in the middle position of pump pool main body 1 upper end, threaded installation groove 15 is inserted and installed in the inner wall of threaded installation block 14, and liquid level meter 9 is installed in the upper end of threaded installation groove 15, and liquid level meter 9 is rotatably inserted and assembled with pump pool main body 1 through threaded installation block 14 and threaded installation groove 15, so that liquid level meter 9 is conveniently rotated and inserted and disassembled, and is conveniently independently maintained and used.

[0022] liquid level meter 9 is inserted and assembled with pump pool main body 1, alarm 10 is installed on another side of pump pool main body 1 upper end, and maintenance opening 17 is arranged in the edge of another side of pump pool main body 1 upper end, connecting hinge 16 is installed on one side of the upper end of maintenance opening 17, sealing cover plate 11 is reversely installed on the other side of connecting hinge 16, sealing cover plate 11 is sealed and opened and closed with maintenance opening 17 through connecting hinge 16, maintenance ladder 13 is distributed in the position of adhesion of maintenance opening 17, and the length of maintenance ladder 13 is same with the depth of pump pool main body 1, so that sealing cover plate 11 is conveniently and quickly opened and closed, and it is convenient to enter pump pool main body 1 for maintenance through maintenance ladder 13, and operation is convenient.

[0023] The maintenance ladder 13 is installed on the rear edge of the inner wall of the pump pool body 1, the support installation groove 18 is opened in the inner wall of the support frame 6 on one side of the pump pool body 1, the ore pulp conveying pipeline 3 is inserted and installed with the support installation groove 18, the electric regulating valve 12 is communicated and installed in the middle of the ore pulp conveying pipeline 3, the ore pulp conveying pump 4 is communicated and installed at the other end of the ore pulp conveying pipeline 3, the ore pulp conveying pump 4, the liquid level meter 9, the alarm 10 and the electric regulating valve 12 are electrically connected with the PLC controller 5, the liquid level meter 9 is an ultrasonic liquid level meter, and the alarm 10 is an audible and light structure, so that the ore pulp conveying pump 4, the liquid level meter 9, the alarm 10 and the electric regulating valve 12 can be programmed and controlled through the PLC controller 5, the response speed is faster, and the control is more flexible.

[0024] Working principle: when the ore grinding pump pool liquid level detection control equipment is used, firstly, the device is combined and installed, and the power supply is connected, then the PLC controller 5 is started, and the upper and lower limit thresholds of the liquid level are set, then the ore pulp is injected into the pump pool body 1 through the ore pulp feeding pipeline 2, and then the liquid level is detected in real time through the liquid level meter 9, when the liquid level is higher than the upper limit threshold, the PLC controller 5 controls the electric regulating valve 12 to increase the opening degree, and controls the ore pulp conveying pump 4 to increase the pump frequency and speed up the conveying speed of the ore pulp, so as to reduce the liquid level, when the liquid level is lower than the lower limit threshold, the PLC controller 5 controls the electric regulating valve 12 to reduce the opening degree, and controls the ore pulp conveying pump 4 to reduce the pump frequency and slow down the conveying speed, and opens the electromagnetic valve 8 to supplement water through the water supplementing pipeline 7 to increase the liquid level, and when the liquid level is abnormal, the alarm 10 can alarm, when the inner wall of the pump pool body 1 needs to be cleaned, the sealing cover plate 11 can be turned over and opened, and the inside can be entered through the maintenance ladder 13, which is the use process of the ore grinding pump pool liquid level detection control equipment.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A kind of ore grinding pump pool liquid level detection control equipment, including pump pool main body (1), the upper end one side of the pump pool main body (1) is connected with the installation of ore pulp feeding pipeline (2), and the other side of pump pool main body (1) lower end is connected with the installation of ore pulp delivery pipeline (3), it is characterized by: The lower end of the outer wall of the pump pool body (1) is vertically provided with a support frame (6), and the lower end of the front side of the pump pool body (1) is provided with a PLC controller (5); a water replenishing pipeline (7) is communicated and installed at one side edge of the upper end of the pump pool body (1), and an electromagnetic valve (8) is communicated and installed in the middle of the water replenishing pipeline (7); a threaded mounting block (14) is formed at the middle position of the upper end of the pump pool body (1), a threaded mounting groove (15) is inserted and installed in the inner wall of the threaded mounting block (14), and a liquid level meter (9) is installed at the upper end of the threaded mounting groove (15); the liquid level meter (9) is inserted and installed through the pump pool body (1); an alarm (10) is installed at the other side of the upper end of the pump pool body (1), and a maintenance opening (17) is formed at the other side edge of the upper end of the pump pool body (1); a connecting hinge (16) is installed at one side of the upper end of the maintenance opening (17), and a sealing cover plate (11) is reversely installed at the other side of the connecting hinge (16); a maintenance ladder (13) is installed at the rear edge of the inner wall of the pump pool body (1); a support mounting groove (18) is formed in the inner wall of the support frame (6) on one side of the pump pool body (1), and a mineral slurry conveying pipeline (3) is inserted and installed in the support mounting groove (18); and an electric regulating valve (12) is communicated and installed in the middle of the mineral slurry conveying pipeline (3), and a mineral slurry conveying pump (4) is communicated and installed at the other end of the mineral slurry conveying pipeline (3).

2. A mill pump sump level detection control apparatus according to claim 1, wherein: The mineral slurry conveying pipeline (3) is wrapped and supported by the support mounting groove (18) and the support frame (6).

3. A mill pump sump level detection control apparatus according to claim 2, wherein: The mineral slurry conveying pump (4), the liquid level meter (9), the alarm (10) and the electric regulating valve (12) are electrically connected with the PLC controller (5); the liquid level meter (9) is an ultrasonic liquid level meter; and the alarm (10) is an audible and light structure.

4. A mill pump sump level detection control apparatus according to claim 3, wherein: The support frame (6) is distributed in an annular position on the outer wall of the pump pool body (1), and has a trapezoidal structure.

5. A mill pump sump level detection control apparatus according to claim 4, wherein: The liquid level meter (9) is rotatably inserted and spliced with the pump pool body (1) through the threaded mounting block (14) and the threaded mounting groove (15).

6. A mill pump sump level detection control apparatus according to claim 5, wherein: The sealing cover plate (11) is sealed and opened with the maintenance opening (17) through the connecting hinge (16); the maintenance ladder (13) is distributed in a position close to the maintenance opening (17), and has the same length as the depth of the pump pool body (1).

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