CN221208441U - Magnetic separator overflow water stabilising arrangement - Google Patents
Magnetic separator overflow water stabilising arrangement Download PDFInfo
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- CN221208441U CN221208441U CN202323188056.8U CN202323188056U CN221208441U CN 221208441 U CN221208441 U CN 221208441U CN 202323188056 U CN202323188056 U CN 202323188056U CN 221208441 U CN221208441 U CN 221208441U
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- overflow
- magnetic separator
- regulating valve
- pressure gauge
- plc
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- 239000006148 magnetic separator Substances 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 230000003019 stabilising effect Effects 0.000 title description 2
- 230000001105 regulatory effect Effects 0.000 claims abstract description 33
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 10
- 238000007885 magnetic separation Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013072 incoming material Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Abstract
The utility model discloses an overflow water stabilizing device of a magnetic separator, wherein an overflow groove is arranged at the lower part of the magnetic separator, an overflow regulating valve is arranged at a discharge hole of the overflow groove, an electric contact pressure gauge is arranged between a feed inlet of the overflow groove and the overflow regulating valve, the output end of the electric contact pressure gauge is electrically connected with a PLC (programmable logic controller), and the output end of the PLC is electrically connected with the overflow regulating valve. The advantages are that: the structure is simple, the realization is easy, and the improvement on the existing magnetic separator is small; an electric junction pressure gauge and a flowmeter are arranged between a feed inlet of the overflow trough and the overflow regulating valve, the pressure and the flow rate of materials in the overflow trough are respectively monitored, the height of an overflow weir is judged by the pressure value of the electric junction pressure gauge, and the opening of the overflow regulating valve is controlled by a PLC (programmable logic controller), so that the dependence on the station work experience is reduced; judging whether the overflow weir has a blockage problem through the flowmeter, informing a post worker through the alarm device in time when the blockage occurs, reducing the fault operation rate of the magnetic separator and ensuring the magnetic separation quality.
Description
Technical Field
The utility model relates to the technical field of magnetic separators, in particular to an overflow water stabilizing device of a magnetic separator.
Background
The magnetic separator is a device which utilizes the permanent magnet or electromagnetic principle to make mineral particles show different magnetic differences under the action of magnetic field so as to perform separation. In the magnetic separator, raw materials enter a magnetic field area through a feeding port, and mineral particles with different magnetism are separated due to different stress.
The magnetic separator is a key device of a heavy medium coal separation plant, incoming materials are fed to a feed inlet of the magnetic separator through a dilute medium pump, then enter an overflow groove through a distributing pipe at the lower part of a magnetic separator roller, and in the magnetic separation process, the height of an overflow weir is required to be adjusted through an overflow adjusting valve at the bottom of the overflow groove, so that the stable operation of the overflow weir is ensured, and the magnetic separation effect is optimal.
At present, the overflow regulating valve is mainly regulated by depending on the experience of a post worker, and because the manual experience has no unified valve opening index, the situation that the regulation is not in place exists, if the overflow regulating valve is not regulated to the optimal position, the operation system of the magnetic separator is unstable, and the operation efficiency of the magnetic separator is influenced.
In addition, in the production process, the problem of coarse running of a dilute medium system caused by operation faults of front-end equipment exists, so that the material particles entering the magnetic separator are thickened and increased, when the material enters the overflow groove, the overflow groove can be blocked or even blocked, and if a post worker does not find the problem of blocking the overflow groove in time, the effect and quality of the recovery medium of the magnetic separator can be greatly reduced.
Disclosure of utility model
The utility model aims to provide a digital regulating device of an overflow regulating valve, which ensures the stable operation of overflow water and the efficient operation of a magnetic separator through a digital regulating device.
The utility model is implemented by the following technical scheme: the overflow water stabilizing device of the magnetic separator comprises the magnetic separator, wherein an overflow groove is arranged at the lower part of the magnetic separator, an overflow regulating valve is arranged at a discharge hole of the overflow groove, and the overflow water stabilizing device also comprises an electric contact pressure gauge and a PLC (programmable logic controller);
The overflow tank is characterized in that an electric contact pressure gauge is arranged between a feeding hole of the overflow tank and the overflow regulating valve, the output end of the electric contact pressure gauge is electrically connected with the PLC, and the output end of the PLC is electrically connected with the overflow regulating valve.
Preferably, the automatic overflow control device further comprises a flowmeter, wherein the flowmeter is arranged between the electric contact pressure gauge and the overflow control valve, and the output end of the flowmeter is electrically connected with the PLC.
Preferably, the device further comprises a photoelectric alarm, and the photoelectric alarm is electrically connected with the PLC.
Preferably, the flowmeter is an intelligent electromagnetic digital flowmeter.
Preferably, the overflow regulating valve is a turbine electric digital regulating valve.
The utility model has the advantages that: the structure is simple, the realization is easy, and the improvement on the existing magnetic separator is small; an electric junction pressure gauge and a flowmeter are arranged between a feed inlet of the overflow trough and the overflow regulating valve, the pressure and the flow rate of materials in the overflow trough are respectively monitored, the height of an overflow weir is judged by the pressure value of the electric junction pressure gauge, and the opening of the overflow regulating valve is controlled by a PLC (programmable logic controller), so that the dependence on the station work experience is reduced; judging whether the overflow weir has a blockage problem through the flowmeter, informing a post worker through the alarm device in time when the blockage occurs, reducing the fault operation rate of the magnetic separator and ensuring the magnetic separation quality.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Fig. 2 is a schematic diagram showing connection of the PLC controller in embodiment 1.
The magnetic separator 1, overflow launder 2, overflow regulating valve 3, rare medium pump 4, electric contact pressure gauge 5, flowmeter 6, PLC controller 7, photoelectric alarm 8.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
The overflow water stabilizing device of the magnetic separator shown in fig. 1-2 comprises a magnetic separator 1, wherein an overflow groove 2 is arranged at the lower part of the magnetic separator 1, an overflow regulating valve 3 is arranged at a discharge hole of the overflow groove 2, and incoming materials enter the magnetic separator 1 through a rare medium pump 4 and enter the overflow groove 2 through a distributing pipe at the bottom of a roller of the magnetic separator 1. The overflow regulating valve 3 is regulated to ensure the smooth running of the overflow water.
In the embodiment, in order to realize the stable operation of the overflow water, an electric contact pressure gauge 5 is arranged between a feed inlet of the overflow groove 2 and the overflow regulating valve 3, and a flowmeter 6 is arranged between the electric contact pressure gauge 5 and the overflow regulating valve 3; the output ends of the electric contact pressure gauge 5 and the flowmeter 6 are respectively and electrically connected with the PLC controller 7, and the output end of the PLC controller 7 is respectively and electrically connected with the overflow regulating valve 3 and the photoelectric alarm 8.
Wherein, overflow governing valve 3 is turbine electronic digital control valve, and flowmeter 6 is intelligent electromagnetic digital flowmeter.
Description of use: when the device of the embodiment is used, firstly, the electric contact pressure gauge 5, the flowmeter 6 and the PLC 7 are arranged at the proper position of the overflow trough 2, and the preset pressure value and the flow alarm value of the electric contact pressure gauge 5 are set in the PLC 7 according to the working condition of the magnetic separator 1.
The device starts to operate, and the PLC 7 receives the pressure signal monitored by the electric joint pressure gauge 5 and the flow value monitored by the flowmeter 6 in real time:
(1) The PLC controller 7 compares the received pressure value with a preset pressure value, and adjusts the opening of the overflow regulating valve 3 according to the comparison condition to ensure that the overflow weir is kept at a proper height. (2) The PLC controller 7 compares the received flow value with a preset flow value, and when the flow value is lower than the preset flow alarm value, the PLC controller 7 controls the photoelectric alarm 8 to send an alarm signal to prompt a post worker to check in time and dredge the blockage in time.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The overflow water stabilizing device of the magnetic separator comprises the magnetic separator, wherein an overflow groove is arranged at the lower part of the magnetic separator, and an overflow regulating valve is arranged at a discharge hole of the overflow groove;
The overflow tank is characterized in that an electric contact pressure gauge is arranged between a feeding hole of the overflow tank and the overflow regulating valve, the output end of the electric contact pressure gauge is electrically connected with the PLC, and the output end of the PLC is electrically connected with the overflow regulating valve.
2. The overflow water stabilizing device of the magnetic separator according to claim 1, further comprising a flowmeter, wherein the flowmeter is arranged between the electric contact pressure gauge and the overflow regulating valve, and an output end of the flowmeter is electrically connected with the PLC.
3. The overflow water stabilizing device for a magnetic separator according to claim 2, further comprising a photoelectric alarm, wherein the photoelectric alarm is electrically connected with the PLC controller.
4. A magnetic separator overflow water stabilizing device as claimed in any one of claims 2 or 3, wherein said flowmeter is an intelligent electromagnetic digital flowmeter.
5. The overflow water stabilizing device of a magnetic separator according to claim 1, wherein the overflow regulating valve is a turbine electric digital regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323188056.8U CN221208441U (en) | 2023-11-25 | 2023-11-25 | Magnetic separator overflow water stabilising arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323188056.8U CN221208441U (en) | 2023-11-25 | 2023-11-25 | Magnetic separator overflow water stabilising arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221208441U true CN221208441U (en) | 2024-06-25 |
Family
ID=91574560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323188056.8U Active CN221208441U (en) | 2023-11-25 | 2023-11-25 | Magnetic separator overflow water stabilising arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221208441U (en) |
-
2023
- 2023-11-25 CN CN202323188056.8U patent/CN221208441U/en active Active
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