CN115789491A - Energy-saving impurity-free lubricating oil station device - Google Patents
Energy-saving impurity-free lubricating oil station device Download PDFInfo
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- CN115789491A CN115789491A CN202211631904.5A CN202211631904A CN115789491A CN 115789491 A CN115789491 A CN 115789491A CN 202211631904 A CN202211631904 A CN 202211631904A CN 115789491 A CN115789491 A CN 115789491A
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Abstract
The invention discloses an energy-saving impurity-free lubricating oil station device which comprises an oil tank, a stop valve, a vacuum pump, a vacuum tube, an oil return tube, an oil inlet tube, a main oil tube, an oil pump, a motor, a filter and an air heat exchanger, wherein the oil tank is connected with the stop valve; two ends of the main oil pipe are respectively connected with the oil inlet and the oil return port, the oil pump, the filter and the air heat exchanger are sequentially connected on the main oil pipe in series, and the motor drives the oil pump and the vacuum pump to operate; the inlet of the vacuum pump is connected with the top of the inner cavity of the oil tank through a vacuum tube; the stop valve is connected in series on a main oil path between the oil pump and the oil return port; one end of the oil return pipe and one end of the oil inlet pipe are respectively connected with the inlet and the outlet of the stop valve, and the other ends of the oil return pipe and the oil inlet pipe respectively extend into the oil tank. The vacuum pump vacuums the inside of the oil tank, the high-temperature lubricating oil is easy to evaporate in vacuum, and the gas is separated from the lubricating oil. The quality of an oil film formed on the surface of the machine part by the lubricating oil without gas impurities is better, and the effect of cooling the machine part by the lubricating oil is kept.
Description
Technical Field
The invention relates to the field of lubricating oil station devices, in particular to an energy-saving impurity-free lubricating oil station device.
Background
The circulating lubricating oil station is the heart of a thin oil circulating lubricating system, and the lubricating oil is forcibly delivered to the friction part of the moving equipment to form an oil film between machine parts moving relatively, so that the friction and the abrasion of the parts are reduced, the heat generated by the friction is taken away, the machine operation is ensured, and the service life of the equipment is prolonged.
In order to filter out impurities in the lubricating oil, a filter is often provided in the main oil circuit. However, the existing filter can only filter out solid impurities, and cannot filter out gas impurities dissolved in the lubricating oil. The gas impurities cause the uncleanness of the lubricating oil, the quality of an oil film formed on the surface of the machine part by the lubricating oil is poor, carbon deposition is often formed, the cooling effect of the lubricating oil on the machine part is poor, and the temperature of the machine part is raised to a higher temperature. Therefore, how to eliminate the gas impurities in the lubricating oil is a technical problem that needs to be solved by those skilled in the art.
Disclosure of Invention
To overcome the above disadvantages, an object of the present invention is to provide an energy-saving contaminant-free lubricating oil station apparatus capable of eliminating gas contaminants.
In order to achieve the purpose, the invention adopts the technical scheme that: an energy-saving type impurity-free lubricating oil station device is used for providing lubricating oil for a moving machine, and comprises a main oil pipe, an oil pump, a motor, a filter and an air heat exchanger, wherein the moving machine comprises an oil inlet and an oil return port; the two ends of the main oil pipe are respectively connected with the oil inlet and the oil return port, the oil pump, the filter and the air heat exchanger are sequentially connected on the main oil pipe in series, and the motor drives the oil pump to operate; the energy-saving impurity-free lubricating oil station device further comprises an oil tank, a stop valve, a vacuum pump, a vacuum tube, an oil return tube and an oil inlet tube, wherein the motor drives the vacuum pump to operate, and an inlet of the vacuum pump is connected with the top of an inner cavity of the oil tank through the vacuum tube; the stop valve is connected in series on a main oil path between the oil pump and the oil return port; one end of the oil return pipe and one end of the oil inlet pipe are respectively connected with the inlet and the outlet of the stop valve, and the other ends of the oil return pipe and the oil inlet pipe respectively extend into the oil tank.
The vacuum state in the oil tank increases the pressure difference of the inlet and the outlet of the oil pump, and reduces the flow of the oil pump. In order to improve the influence of vacuum on the oil pump, the invention is further provided with the following steps: a partition plate is vertically arranged in the middle of the oil tank, the upper edge of the partition plate is in sealing connection with the top of the oil tank, the left edge and the right edge of the partition plate are in sealing connection with the left side wall and the right side wall of the oil tank respectively, and a gap is formed between the lower edge of the partition plate and the bottom of the oil tank; the oil return pipe and the oil inlet pipe are respectively positioned on two sides of the partition plate. The oil tank is divided into two parts by the partition plate, one part is in a vacuum state and used for separating gas and liquid in lubricating oil, and the other part is in a normal pressure state and is beneficial to pumping the lubricating oil by the oil pump. A vacuum state is formed only in the oil tank on one side of the partition plate, and a normal pressure state is formed in the oil tank on the other side of the partition plate. The lubricating oil in a vacuum state flows to the oil tank in a normal pressure state through the gap at the lower edge of the partition by means of hydraulic pressure.
In order to rapidly discharge bubbles in the lubricating oil, the invention is further provided with the following steps: one end of the oil return pipe, which is positioned in the oil tank, is connected with an oil return nozzle; the oil return spray head is vertically arranged, a plurality of top surface holes are formed in the top end surface, and a plurality of side surface holes are formed in the side surface. The lubricating oil flows vertically upwards in the oil return spray head, and the bubbles are subjected to buoyancy and move faster and are discharged from the top surface hole firstly. The lubricating oil is discharged from the side holes. And (4) preliminarily separating gas in the lubricating oil. If the oil falls into the tank from top to bottom, air is again entrained into the oil. Therefore, it is preferable that the return nozzle is located below the liquid level of the lubricating oil, and there is no defect that the lubricating oil falls and is mixed again into the air bubbles.
In order to prevent the main oil circuit from being blocked due to the blockage of the filter and the air heat exchanger, the invention is further provided with the following steps: the energy-saving impurity-free lubricating oil station device also comprises a bypass pipe and a first overpressure valve; one end of the bypass pipe is connected to a main oil pipe between the oil pump and the filter, and the other end of the bypass pipe is connected to a main oil pipe between the air heat exchanger and the oil inlet; the first overpressure valve is connected in series with the bypass pipe. The lubricating oil pumped out by the oil pump enters the moving machine through the bypass pipe and the first overpressure valve and does not flow through the filter any more and is not blocked by the air heat exchanger.
The invention is further arranged as follows: and a pressure gauge and a thermometer are connected on the main oil pipe between the air heat exchanger and the oil inlet.
Because the temperature change of the lubricating oil is large, the main oil pipe is distorted and deformed due to expansion with heat and contraction with cold, the invention is further provided with the following components: and two ends of the main oil pipe are respectively connected with the oil inlet and the oil return port through an expansion joint.
The invention is further arranged as follows: the energy-saving impurity-free lubricating oil station device further comprises an automatic pressure regulator, and the automatic pressure regulator controls the opening degree of the inlet of the oil pump according to the pressure of the outlet of the oil pump.
When solid impurities exist in the filter, the filter is often blocked, and in order to still use the air heat exchanger to cool lubricating oil in the overhauling process, the invention is further arranged as follows: the energy-saving impurity-free lubricating oil station device further comprises a second overpressure valve, and the second overpressure valve is connected with the filter in parallel. The lubricating oil flows out through the second overpressure valve and does not flow through the filter any more.
The invention is further arranged as follows: the energy-saving type impurity-free lubricating oil station device further comprises a fan, and the fan promotes air to flow through the air heat exchanger.
Compared with the prior art, the invention has the beneficial effects that: the lubricating oil flows from the moving machine to the oil tank and is at a higher temperature. The vacuum pump forms vacuum in the oil tank, high-temperature lubricating oil is easy to evaporate in the vacuum, and gas, liquid and lubricating oil in the lubricating oil are separated and discharged to the outside through the vacuum pipe and the vacuum pump. Because the vacuum pump and the oil pump share one motor for driving, the energy is saved. The quality of an oil film formed on the surface of the machine part by the lubricating oil without gas impurities is better, carbon deposition is not easy to form on the surface of a moving machine, the cooling effect of the lubricating oil on the machine part is kept, and the temperature of the machine part is proper. The lubricating oil tank has the advantages of satisfying the lubrication of equipment, along with scientific and reasonable design, energy conservation and practicability.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving contaminant-free lubricating oil station apparatus according to a preferred embodiment of the present invention;
fig. 2 is a schematic structural diagram of the oil return nozzle.
In the figure: 1. a moving machine; 2. an expansion joint; 6. a pressure gauge; 7. a thermometer; 8. a main oil pipe; 9. a bypass pipe; 10. a first overpressure valve; 11. an oil inlet; 12. an oil return port; 13. a vacuum pump; 14. a vacuum tube; 15. an oil return pipe; 16. an oil return spray head; 17. an oil inlet pipe; 18. a partition plate; 19. an oil tank; 20. a stop valve; 31. an automatic pressure regulator; 32. an oil pump; 33. a motor; 41. a filter; 42. a second overpressure valve; 51. an air heat exchanger; 52. a fan; 161. a side hole; 162. the top surface is provided with holes.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the present invention more comprehensible to those skilled in the art, and will thus provide a clear and concise definition of the scope of the present invention.
Referring to fig. 1-2, the energy-saving impurity-free lubricating oil station device of the present embodiment is used for supplying lubricating oil to a moving machine 1, and includes a main oil pipe 8, an oil pump 32, a motor 33, a filter 41 and an air heat exchanger 51, where the moving machine 1 includes an oil inlet 11 and an oil return 12; two ends of the main oil pipe 8 are respectively connected with the oil inlet 11 and the oil return port 12, the oil pump 32, the filter 41 and the air heat exchanger 51 are sequentially connected on the main oil pipe 8 in series, and the motor 33 drives the oil pump 32 to operate; the energy-saving type impurity-free lubricating oil station device further comprises an oil tank 19, a stop valve 20, a vacuum pump 13, a vacuum tube 14, an oil return tube 15 and an oil inlet tube 17, wherein the motor 33 drives the vacuum pump 13 to operate, and an inlet of the vacuum pump 13 is connected with the top of an inner cavity of the oil tank 19 through the vacuum tube 14; the stop valve 20 is connected in series on the main oil path between the oil pump 32 and the oil return port 12; one end of the oil return pipe 15 and one end of the oil inlet pipe 17 are respectively connected with an inlet and an outlet of a stop valve 20, and the other ends of the oil return pipe and the oil inlet pipe respectively extend into an oil tank 19.
A partition plate 18 is vertically arranged in the middle of the oil tank 19, the upper edge of the partition plate 18 is hermetically connected with the top of the oil tank 19, the left edge and the right edge of the partition plate 18 are hermetically connected with the left side wall and the right side wall of the oil tank 19 respectively, and a gap is formed between the lower edge of the partition plate 18 and the bottom of the oil tank 19; the oil return pipe 15 and the oil inlet pipe 17 are respectively arranged at two sides of the partition plate 18.
One end of the oil return pipe 15, which is positioned in the oil tank 19, is connected with an oil return spray head 16; the oil return nozzle 16 is vertically arranged, the top end face is provided with a plurality of top face holes 162, and the side face is provided with a plurality of side face holes 161.
The energy-saving impurity-free lubricating oil station device also comprises a bypass pipe 9 and a first overpressure valve 10; one end of the bypass pipe 9 is connected to the main oil pipe 8 between the oil pump 32 and the filter 41, and the other end is connected to the main oil pipe 8 between the air heat exchanger 51 and the oil inlet 11; the first overpressure valve 10 is connected in series to the bypass line 9.
And a pressure gauge 6 and a thermometer 7 are connected to the main oil pipe 8 between the air heat exchanger 51 and the oil inlet 11. And two ends of the main oil pipe 8 are respectively connected with the oil inlet 11 and the oil return port 12 through an expansion joint 2. The energy-saving type impurity-free lubricating oil station device further comprises an automatic pressure regulator 31, and the automatic pressure regulator 31 controls the opening degree of an inlet of the oil pump 32 according to the pressure of an outlet of the oil pump 32.
The energy-saving type impurity-free lubricating oil station device further comprises a second overpressure valve 42, and the second overpressure valve 42 is connected with the filter 41 in parallel. The energy-saving contaminant-free lubricating station apparatus further includes a fan 52, and the fan 52 facilitates air flow through the air heat exchanger 51.
In summary, the principle of the energy-saving type impurity-free lubricating oil station device disclosed by the invention is as follows: the lubricating oil flows from the moving machine 1 to the oil tank 19, and the temperature is high. The vacuum pump 13 forms a vacuum inside the oil tank 19, so that the high-temperature lubricating oil is easily evaporated in the vacuum, and the gas and liquid in the lubricating oil are separated from the lubricating oil and discharged to the outside through the vacuum pipe 14 and the vacuum pump 13. Because the vacuum pump 13 and the oil pump 32 are driven by the same motor 33, energy is saved. The quality of an oil film formed on the surface of the machine part by the lubricating oil without gas impurities is better, carbon deposition is not easily formed on the surface of the moving machine 1, the cooling effect of the lubricating oil on the machine part is kept, and the temperature of the machine part is proper. The lubricating oil tank has the advantages of satisfying the lubrication of equipment, along with scientific and reasonable design, energy conservation and practicability.
The oil tank 19 is divided into two parts by the partition 18, one part is in a vacuum state and is used for separating gas and liquid in the lubricating oil, and the other part is in a normal pressure state, so that the lubricating oil is pumped by the oil pump 32. A vacuum state is formed only in the tank 19 on one side of the partition 18, and a normal pressure state is formed in the tank 19 on the other side of the partition 18. The lubricating oil in a vacuum state flows into the oil tank 19 in a normal pressure state through the gap at the lower edge of the partition 18 by means of hydraulic pressure.
In use, the shut-off valve 20 is closed. The lubricating oil in the moving machine 1 is introduced into the oil tank 19 of the vacuum state portion through the main oil pipe 8 and the oil return pipe 15. The oil pump 32 pumps the lubricating oil from the oil tank 19 in the normal pressure state through the main oil pipe 8 and the oil inlet pipe 17.
The oil flows vertically upward in the return nozzle 16, and the bubbles are buoyant and move faster, first rushing upward from the top surface hole 162. The lubricating oil is discharged from the side hole 161. And (4) preliminarily separating gas in the lubricating oil. The return nozzle 16 is below the surface of the lubricating oil, and there is no defect that the lubricating oil falls down and is mixed into bubbles again.
When the filter 41 or the air heat exchanger 51 is clogged, the lubricating oil pumped out by the oil pump 32 passes through the bypass pipe 9 and the first overpressure valve 10 into the moving machine 1 and no longer flows through the clogged filter 41, the air heat exchanger 51. The safety bypass circuit can make the lubricating oil directly reach the moving machine 1. When the filter 41 is clogged, the lubricating oil flows out through the second excess pressure valve 42 and no longer flows through the filter 41. The use of the parts other than the filter 41 is not affected. The lubricating oil smoothly reaches the moving machine 1.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (9)
1. An energy-saving type impurity-free lubricating oil station device is used for providing lubricating oil for a moving machine, and comprises a main oil pipe, an oil pump, a motor, a filter and an air heat exchanger, wherein the moving machine comprises an oil inlet and an oil return port; two ends of the main oil pipe are respectively connected with the oil inlet and the oil return port, the oil pump, the filter and the air heat exchanger are sequentially connected on the main oil pipe in series, and the motor drives the oil pump to operate;
the energy-saving impurity-free lubricating oil station device is characterized by further comprising an oil tank, a stop valve, a vacuum pump, a vacuum pipe, an oil return pipe and an oil inlet pipe, wherein the motor drives the vacuum pump to operate, and an inlet of the vacuum pump is connected with the top of an inner cavity of the oil tank through the vacuum pipe; the stop valve is connected in series on the main oil path between the oil pump and the oil return port; one end of the oil return pipe and one end of the oil inlet pipe are respectively connected with an inlet and an outlet of the stop valve, and the other ends of the oil return pipe and the oil inlet pipe respectively extend into the oil tank.
2. The energy-saving impurity-free lubricating oil station device according to claim 1, wherein a partition plate is vertically arranged in the middle of the oil tank, the upper edge of the partition plate is in sealing connection with the top of the oil tank, the left edge and the right edge of the partition plate are in sealing connection with the left side wall and the right side wall of the oil tank respectively, and a gap is formed between the lower edge of the partition plate and the bottom of the oil tank; the oil return pipe and the oil inlet pipe are respectively positioned on two sides of the partition plate.
3. The energy-saving contaminant-free lubricating oil station apparatus of claim 2, wherein one end of the oil return pipe inside the oil tank is connected with an oil return nozzle; the oil return spray head is vertically arranged, a plurality of top surface holes are formed in the top end face, and a plurality of side surface holes are formed in the side face.
4. The energy-saving contaminant-free lubrication oil station apparatus of claim 3, further comprising a bypass pipe and a first overpressure valve; one end of the bypass pipe is connected to the main oil pipe between the oil pump and the filter, and the other end of the bypass pipe is connected to the main oil pipe between the air heat exchanger and the oil inlet; the first excess pressure valve is connected to the bypass pipe in series.
5. The energy-saving contaminant-free lubricating oil station apparatus of claim 4, wherein a pressure gauge and a temperature gauge are connected to the main oil pipe between the air heat exchanger and the oil inlet.
6. The energy-saving contaminant-free lubricating oil station apparatus of claim 5, wherein both ends of the main oil pipe are connected to the oil inlet and the oil return port via an expansion joint, respectively.
7. The energy-saving contaminant-free lubricating oil station apparatus according to claim 6, further comprising an automatic pressure regulator that controls an opening degree of the oil pump inlet according to a pressure of the oil pump outlet.
8. The energy efficient contaminant free lube station set of claim 7 further comprising a second overpressure valve connected in parallel with said filter.
9. The energy efficient contaminant free lube station set of claim 8 further comprising a fan that facilitates air flow through the air heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211631904.5A CN115789491A (en) | 2022-12-19 | 2022-12-19 | Energy-saving impurity-free lubricating oil station device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211631904.5A CN115789491A (en) | 2022-12-19 | 2022-12-19 | Energy-saving impurity-free lubricating oil station device |
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| Publication Number | Publication Date |
|---|---|
| CN115789491A true CN115789491A (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211631904.5A Pending CN115789491A (en) | 2022-12-19 | 2022-12-19 | Energy-saving impurity-free lubricating oil station device |
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|---|---|
| CN (1) | CN115789491A (en) |
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2022
- 2022-12-19 CN CN202211631904.5A patent/CN115789491A/en active Pending
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