A lubrication system for Nielsen gravity separation equipment

Abstract

This utility model discloses an automatic lubrication system for a Nelson gravity separation device, comprising: an oil reservoir, a lubrication pump, solenoid valves, a distributor, a PLC controller, an oil flow sensor, and an oil filter. The oil reservoir is connected to the main oil pipe, which is equipped with the lubrication pump. A first-stage branch pipe is installed on the main oil pipe near the Nelson device, and each first-stage branch pipe is equipped with a solenoid valve. The distributor inlet is installed on the first-stage branch pipe of the main oil pipe, and the outlet is connected to a second-stage branch pipe of the main oil pipe, each of which is equipped with a solenoid valve and an oil flow sensor. The end of the second-stage branch pipe is connected to the lubrication port of the Nelson device. This utility model uses a PLC control system to output working signals to the lubrication pump, selectively opening and closing some solenoid valves to form an oil delivery path, and adding lubricating oil to different lubrication points of each Nelson device, achieving automatic lubrication. The oil flow sensor and PLC controller work together to accurately measure the amount of oil added.

Description

Technical Field

[0001] This utility model belongs to the field of mineral processing equipment maintenance technology, specifically relating to an oiling and lubrication system for a Nelson gravity separation equipment. Background Technology

[0002] In precious metal beneficiation, Nilsson gravity separation equipment is widely used for enrichment operations of metals such as gold, silver, and platinum. The core operating parts of this equipment (such as bearings and enrichment cones) require regular lubrication to ensure normal operation. However, existing lubrication methods have significant drawbacks:

[0003] 1. Low efficiency of manual operation: A mineral processing system is often equipped with multiple Nelson devices, and each device has many points that require lubrication, resulting in a large workload for manual lubrication.

[0004] 2. Space constraints and safety hazards: Some lubrication points are located in narrow areas of the equipment, making operation difficult, and there are safety risks associated with manual access to operating equipment;

[0005] 3. Inaccurate fuel control: Relying on experience to manually refuel can easily lead to insufficient fuel (leading to increased wear) or excessive fuel (causing pollution and waste).

[0006] Currently, no automated lubrication solution has been found that can simultaneously solve the above problems. Therefore, there is an urgent need to develop an efficient and safe automated lubrication system to improve equipment maintenance efficiency and ensure production safety. Utility Model Content

[0007] To address the shortcomings of the aforementioned background technology, this utility model provides an automatic lubrication system for Nelson reselection equipment, which can effectively solve the problems of low efficiency and safety risks associated with manual lubrication.

[0008] This utility model is achieved through the following technical solution:

[0009] A lubrication system for a Nielsen gravity separation device includes: an oil reservoir, a lubrication pump, a solenoid valve, a distributor, a PLC controller, an oil flow sensor, an oil filter, and a main oil pipe; wherein:

[0010] The oil reservoir is connected to the main oil pipe inlet;

[0011] The main oil pipe is sequentially equipped with the refueling pump and the oil filter screen;

[0012] The main oil pipe is connected to multiple primary branch pipes at its end. Each primary branch pipe corresponds to a Nelson device, and each primary branch pipe is equipped with the solenoid valve.

[0013] Each primary branch pipe is connected to a distributor, and the outlet of each distributor is connected to multiple secondary branch pipes. Each secondary branch pipe corresponds to a lubrication point of the Nelson equipment.

[0014] Each secondary branch pipe is equipped with the solenoid valve and oil flow sensor, and its end is connected to the lubrication point of the Nelson equipment.

[0015] The PLC controller is electrically connected to the fuel pump, all solenoid valves, and fuel flow sensor.

[0016] Furthermore, the refueling pump is an isolation pump.

[0017] Furthermore, the dispenser is installed in an open and easily accessible area near the Nielsen device.

[0018] Furthermore, the number of primary branch pipes is the same as the number of Nelson devices; the number of secondary branch pipes is the same as the number of lubrication points per Nelson device.

[0019] Furthermore, the PLC controller presets the lubrication time for each lubrication point to precisely control the amount of lubrication.

[0020] Furthermore, the solenoid valve is model 2V130-15 AC 220V; the oil flow sensor is model SFG-T10(0.1-10)L / min-1.6MD-K2-B1-R8 24VDC.

[0021] Furthermore, the oil filter screen is installed on the main oil pipe at the outlet of the refueling pump.

[0022] Furthermore, the main oil pipe has a diameter of DN40; the primary branch pipe and the secondary branch pipe both have a diameter of DN25.

[0023] Furthermore, the oil flow sensor is a quantitative oil flow sensor, used to monitor and feed back flow data to the PLC controller in real time to accurately control the amount of oil added.

[0024] The beneficial effects of this utility model are as follows: the PLC control system outputs working signals to the refueling pump, selectively opens and closes some solenoid valves to form an oil delivery path, and adds lubricating oil to different lubrication points of each Nelson device to achieve the effect of automatic refueling. The amount of oil added is accurately measured by the joint control of the oil flow sensor and the PLC controller. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model.

[0026] Figure 2 This is a schematic diagram of the control flow of this utility model. Detailed Implementation

[0027] The present invention will be further explained below with reference to the accompanying drawings.

[0028] In a mineral processing production system, there are often multiple Nelson gravity separation devices, and each device has multiple lubrication points. For ease of understanding, the following example illustrates a mineral processing production system with two Nelson gravity separation devices, 9-1 and 9-2, each with two lubrication points, 9-1-1 and 9-1-2, and 9-2-1 and 9-2-2.

[0029] like Figure 1-2 As shown, the oil reservoir 1 is connected to the main oil pipe 8. A refueling pump 2 is installed on the main oil pipe 8. Near the Nelson equipment, primary branch pipes 8-1 and 8-2 are installed on the main oil pipe 8. A solenoid valve 3-1 and a distributor 4-1 are installed on the first primary branch pipe. A solenoid valve 3-2 and a distributor 4-2 are installed on the second primary branch pipe. Two secondary branch pipes 8-1-1 and 8-1-2 are located at the outlet of distributor 4-1. A solenoid valve 3-1-1 and an oil flow sensor 6-1-1 are installed on the first secondary branch pipe 8-1-1. Solenoid valves 3-1-2 and oil flow sensors 6-1-1 are installed on both the second secondary branch pipes 8-1-2. -1-2, the ends of the two secondary branch pipes 8-1-1 and 8-1-2 are respectively connected to the filler ports 9-1-1 and 9-1-2 of the Nelson equipment 9-1; the outlet of the distributor 4-2 has two secondary branch pipes 8-2-1 and 8-2-2. The first secondary branch pipe 8-2-1 is equipped with a solenoid valve 3-2-1 and an oil flow sensor 6-2-1, and the second secondary branch pipe 8-2-2 is equipped with a solenoid valve 3-2-2 and an oil flow sensor 6-2-2. The ends of the secondary branch pipes 8-2-1 and 8-2-2 are respectively connected to the filler ports 9-2-1 and 9-2-2 of the Nelson equipment 9-2.

[0030] Taking lubrication point 9-1-1 as an example:

[0031] When lubrication point 9-1-1 of Nelson equipment 9-1 needs refueling, PLC controller 5 sends a control signal to open solenoid valve 3-1 on the first branch pipe 8-1 and close solenoid valve 3-2 on the first branch pipe 8-2. Then, it outputs a working signal to refueling pump 2. Refueling pump 2 starts after receiving the working signal and delivers lubricating oil to the main oil pipe 8. After being filtered by oil filter screen 7, the oil enters the first branch pipe 8-1 and distributor 4-1. Solenoid valve 3-1-1 on the second branch pipe 8-1-1 is opened and solenoid valve 3-1-2 on the second branch pipe 8-1-2 is closed, thus forming an oil delivery path to inject oil into lubrication point 9-1-1 of Nelson 9-1. Oil flow sensor 6-1-1 on the second branch pipe 8-1-1 accurately measures the amount of oil added and feeds it back to PLC controller. PLC judges the amount of oil added based on preset time (e.g., 30 seconds) and cumulative flow value. After the set value is reached, refueling pump 2 and solenoid valves 3-1 and 3-1-1 are closed.

[0032] Abnormal handling: If the flow rate remains below the threshold (e.g., 0.05L / min), the PLC controller will alarm to indicate blockage; if the set oil volume is not reached within the time limit, the PLC controller will automatically stop the pump and trigger an alarm.

Claims

1. A lubrication system for a Nelson gravity separation device, characterized in that, include: Oil reservoir, refueling pump, solenoid valve, distributor, PLC controller, oil flow sensor, oil filter, main oil pipe; among which: The oil reservoir is connected to the main oil pipe inlet; The main oil pipe is sequentially equipped with the refueling pump and the oil filter screen; The main oil pipe is connected to multiple primary branch pipes at its end. Each primary branch pipe corresponds to a Nelson device, and each primary branch pipe is equipped with the solenoid valve. Each primary branch pipe is connected to a distributor, and the outlet of each distributor is connected to multiple secondary branch pipes. Each secondary branch pipe corresponds to a lubrication point of the Nelson equipment. Each secondary branch pipe is equipped with the solenoid valve and oil flow sensor, and its end is connected to the lubrication point of the Nelson equipment. The PLC controller is electrically connected to the fuel pump, all solenoid valves, and fuel flow sensor.

2. The lubrication system according to claim 1, characterized in that: The refueling pump is an isolation pump.

3. The lubrication system according to claim 1, characterized in that: The dispenser is installed in an open and easily accessible area near the Nelson equipment.

4. The lubrication system according to claim 1, characterized in that: The number of primary branch pipes is the same as the number of Nelson devices; the number of secondary branch pipes is the same as the number of lubrication points per Nelson device.

5. The lubrication system according to claim 1, characterized in that: The PLC controller presets the lubrication time for each lubrication point to precisely control the amount of lubrication.

6. The lubrication system according to claim 1, characterized in that: The solenoid valve is model 2V130-15AC 220V.

7. The lubrication system according to claim 1, characterized in that: The oil flow sensor is model SFG-T10(0.1-10)L / min-1.6MD-K2-B1-R8 24VDC.

8. The lubrication system according to claim 1, characterized in that: The oil filter screen is installed on the main oil pipe at the outlet of the fuel pump.

9. The lubrication system according to claim 1, characterized in that: The main oil pipe has a diameter of DN40; the primary branch pipe and the secondary branch pipe both have a diameter of DN25.

10. The lubrication system according to claim 1, characterized in that: The oil flow sensor is a quantitative oil flow sensor, used to monitor and feed back flow data to the PLC controller in real time to accurately control the amount of oil added.

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