High-speed centrifugal oil filter system

Abstract

The utility model relates to a high-speed centrifugal oil filter system, and relates to the technical field of oil filters. The oil supply device comprises an oil supply pump, a preheater and a separator body used for separating lubricating oil from impurities, the oil supply pump, the preheater and the separator body are communicated through a pipeline, an oil inlet Y-shaped filter is arranged at the inlet end of the oil supply pump, the preheater is arranged at the outlet end of the oil supply pump, and the oil inlet Y-shaped filter is arranged at the outlet end of the oil supply pump. The separator body is provided with an oil inlet, an oil outlet and a water outlet, and the preheater is communicated with the oil inlet. The application has the effects of improving the operation reliability of the oil filter and related equipment and improving the convenience of operation and maintenance.

Description

Technical Field

[0001] This application relates to the field of oil filter technology, and in particular to a high-speed centrifugal oil filter system. Background Technology

[0002] A power plant steam turbine is a steam power unit. Good lubrication is a crucial factor in ensuring the stable operation of the unit. Maintaining the cleanliness of the turbine lubricating oil is key to improving the reliability and performance of the unit. Fewer impurities in the lubricating oil result in less wear, adhesion, and corrosion, thus extending the service life of the equipment. Currently, there are three main technologies suitable for dehydration of turbine oil systems: coalescence separation, vacuum dehydration, and centrifugal separation. Centrifugal oil filters utilize the density difference between water droplets / impurities and oil to accelerate the sedimentation of water droplets / impurities at high speeds for separation. The higher the filtration precision of a centrifugal oil filter, the higher the required speed, and the faster the wear of the equipment. Therefore, existing centrifugal oil filters are widely used in systems with lower filtration precision and cannot guarantee the stable operation of power plant steam turbines, thus requiring improvement. Utility Model Content

[0003] In order to improve the reliability of oil filters and related equipment and enhance the convenience of operation and maintenance, this application provides a high-speed centrifugal oil filter system.

[0004] The high-speed centrifugal oil filtration system provided in this application adopts the following technical solution:

[0005] A high-speed centrifugal oil filtration system includes an oil supply pump, a preheater, and a separator body for separating lubricating oil from impurities. The oil supply pump, preheater, and separator body are connected by pipelines. An oil inlet Y-type filter is installed at the inlet end of the oil supply pump, and the preheater is installed at the outlet end of the oil supply pump. The separator body has an oil inlet, an oil outlet, and a water outlet. The preheater is connected to the oil inlet.

[0006] By adopting the above technical solution, the viscosity of the lubricating oil can be reduced by setting a preheater, which provides a better effect for subsequent separation. While facilitating the separation of lubricating oil by the separator body, it can also reduce equipment wear and extend service life.

[0007] Optionally, a motor is provided on the separator body, the output shaft of the motor is inserted into the separator body, a drum is provided in the separator body, the drum is located below the oil inlet, a drum shaft is provided at the bottom of the drum, and a flat belt for driving the motor and the drum shaft is provided in the separator body.

[0008] By adopting the above technical solution, lubricating oil enters the drum through the oil inlet. The motor drives the drum shaft and the drum to rotate via a flat belt, achieving a speed of 8500-9500 rpm. The lubricating oil undergoes high-speed centrifugation inside the drum, separating impurities and water, which are discharged through the water outlet. The lubricating oil returns to the oil tank through the oil outlet. The structure is simple and the separation effect is strong. The motor drives the drum to rotate via belt drive, avoiding the generation of large noise from hard friction between metals during high-speed rotation, thus improving service life. Furthermore, installation and maintenance are relatively simple.

[0009] Optionally, the outer wall of the separator body is provided with a fastener screw for adjusting the position of the motor base.

[0010] By adopting the above technical solution, the tension of the flat belt can be adjusted by using the fastener screw to drive the motor base to slide.

[0011] Optionally, a brake handle is provided on the separator body.

[0012] By adopting the above technical solution, a brake handle can be installed to stop the system in an emergency, thus preventing oil from leaking from the outlet and improving the overall safety of the system.

[0013] Optionally, the separator body is provided with a water seal inlet, which is connected to the rotating drum and a constant flow valve.

[0014] By adopting the above technical solution, water can be added to the drum from the water seal inlet by opening the constant flow valve before starting the centrifugal oil filter system. Due to the difference in specific gravity between water and oil, a water seal is formed between the lubricating oil and water under the action of high-speed centrifugal force, thereby improving the sealing performance and accuracy of the lubricating oil separation.

[0015] Optionally, a temperature sensor is provided at the outlet end of the preheater to detect the temperature of the lubricating oil in the preheater in real time, and the lubricating oil is discharged after the temperature of the lubricating oil reaches the preset temperature.

[0016] By adopting the above technical solution, the temperature sensor can accurately detect the temperature of the lubricating oil in the preheater, thereby improving the accuracy of the operation of the centrifugal oil filter system of this application.

[0017] Optionally, a lubricating oil inlet flow meter is provided between the oil pump and the preheater.

[0018] By adopting the above technical solution, the lubricating oil inlet flow meter can accurately control the flow rate of lubricating oil entering the separator body, so as to ensure that the separator body can operate with high efficiency and improve operational safety.

[0019] Optionally, a pressure gauge for monitoring the lubricating oil pressure is provided at the oil outlet.

[0020] By adopting the above technical solution, the pressure value of the lubricating oil at the oil outlet can be monitored in real time, thereby ensuring that the separated lubricating oil can be safely discharged, and improving the stability and safety of the high-speed centrifugal oil filter system of this application.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] 1. In the separator body of this application, the motor drives the rotating hub to rotate via belt drive, which avoids the generation of large noise from hard friction between metals during high-speed rotation, improves service life, and simplifies installation and maintenance;

[0023] 2. This application uses a purely physical oil filtration process, which does not require the use of filter elements or filter paper, thus maintaining high-efficiency oil filtration performance. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a high-speed centrifugal oil filter system according to an embodiment of this application.

[0025] Figure 2 This is a schematic diagram of the separator body in an embodiment of this application.

[0026] Explanation of reference numerals in the attached diagram: 1. Y-type oil inlet filter; 2. Oil pump; 3. Lubricating oil inlet flow meter; 4. Preheater; 5. Temperature sensor; 6. Thermometer; 7. Three-way valve; 8. Regulating valve; 9. Pressure gauge; 10. Pressure switch; 11. Separator body; 12. Constant flow valve; 13. Oil inlet; 14. Oil outlet; 15. Drum; 16. Motor; 17. Drum shaft; 18. Flat belt; 19. Fastener screw; 20. Brake handle; 21. Water seal inlet; 22. Water outlet. Detailed Implementation

[0027] The following is in conjunction with the appendix Figure 1-2 This application will be described in further detail.

[0028] This application discloses a high-speed centrifugal oil filtration system. (Refer to...) Figure 1 and Figure 2The system includes an oil pump 2, a preheater 4, and a separator body 11, which are connected by pipelines. An oil inlet Y-type filter 1 is installed at the inlet end of the oil pump 2, which is connected to the oil tank. The oil pump 2 can draw lubricating oil from the oil tank and filter impurities in the lubricating oil through the oil inlet Y-type filter 1. The preheater 4 is located at the outlet end of the oil pump 2, and a lubricating oil inlet flow meter 3 is installed between the preheater 4 and the oil pump 2 so that the operator can control the flow rate of lubricating oil entering the preheater 4 to ensure that the preheater 4 and the subsequent separator body 11 can operate efficiently.

[0029] Reference Figure 1 and Figure 2 A temperature sensor 5 is installed at the outlet end of the preheater 4 to detect the temperature inside the preheater 4 in real time, so that the lubricating oil can be discharged when the preset temperature (set to 50℃) is reached. A thermometer 6 is also installed at the outlet end of the preheater 4 to facilitate the staff to know the temperature inside the preheater 4 at any time, so as to ensure the safety of operation. The separator body 11 has an oil inlet 13, an oil outlet 14 and a water outlet 22. A three-way valve 7 is installed between the preheater 4 and the separator body 11 for conveying the lubricating oil.

[0030] Reference Figure 1 and Figure 2 The separator body 11 contains a rotating drum 15, with a rotating drum shaft 17 coaxially mounted at the bottom of the drum 15 to drive its rotation. The drum 15 is located below the oil inlet 13. A motor 16 is mounted on the separator body 11, with its output shaft extending into the separator body 11. A flat belt 18 is installed inside the separator body 11 to drive the motor 16 and the rotating drum shaft 17, thereby rotating both the rotating drum shaft 17 and the drum 15. The lubricating oil in the drum 15 will rotate at 8500-9500 revolutions per minute, thus achieving the desired rotation speed. The high-speed centrifugation separates the lubricating oil, which leaves through the oil outlet 14, while impurities and water leave through the water outlet 22. In this embodiment, the separator body 11 is also provided with a fastener screw 19 for adjusting the base of the motor 16. The fastener screw 19 is threadedly connected to the separator body 11 and rotatably connected to the base of the motor 16. By rotating the fastener screw 19, the motor 16 can be driven to slide, thereby adjusting the tension of the flat belt 18. The separator body 11 is also provided with a brake handle 20 for stopping the machine in an emergency to prevent oil from leaking out of the water outlet 22.

[0031] Reference Figure 1 and Figure 2The oil outlet 14 is equipped with a regulating valve 8 to regulate the flow rate of the discharged lubricating oil. The regulating valve 8 is connected to the oil tank through a pipeline. The regulating valve 8 is equipped with a pressure gauge 9 to detect the pressure of the lubricating oil in the pipeline. At the same time, a pressure switch 10 is provided to control the opening and closing of the regulating valve 8 based on the pressure value.

[0032] Reference Figure 1 and Figure 2 The separator body 11 is provided with a water seal inlet 21, which is connected to the drum 15. The water seal inlet 21 is connected to a constant flow valve 12. Before the centrifugal oil filter system is started, water can be added to the drum 15 from the water seal inlet 21 by opening the constant flow valve 12. Due to the difference in specific gravity between water and oil, a water seal is formed between the lubricating oil and water under the action of high-speed centrifugal force, so as to improve the sealing performance and accuracy of the lubricating oil separation.

[0033] The implementation principle of a high-speed centrifugal oil filter system in this application embodiment is as follows: the oil pump 2 draws lubricating oil from the oil tank, and the lubricating oil undergoes preliminary filtration of impurities through the Y-type oil inlet filter 1. The lubricating oil then enters the preheater 4 for preheating to improve the subsequent separation effect. After preheating, the lubricating oil enters the drum 15 from the oil inlet 13. The motor 16 drives the drum shaft 17 and the drum 15 to rotate through the flat belt 18, so that the speed reaches 8500-9500 rpm. The lubricating oil is centrifuged at high speed in the drum 15, separating impurities and water, which are discharged through the water outlet 22, while the lubricating oil returns to the oil tank through the oil outlet 14. The structure is simple and the separation effect is strong. The motor 16 drives the drum to rotate through the belt drive, which avoids the generation of large noise from the hard friction between metals during high-speed rotation, improves the service life, and is relatively simple to install and maintain.

[0034] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A high-speed centrifugal oil filtration system, characterized in that: The system includes an oil pump (2), a preheater (4), and a separator body (11) for separating lubricating oil from impurities. The oil pump (2), preheater (4), and separator body (11) are connected by pipelines. An oil inlet Y-type filter (1) is provided at the inlet end of the oil pump (2). The preheater (4) is located at the outlet end of the oil pump (2). The separator body (11) has an oil inlet (13), an oil outlet (14), and a water outlet (22). The preheater (4) is connected to the oil inlet (13).

2. The high-speed centrifugal oil filtration system according to claim 1, characterized in that: A motor (16) is provided on the separator body (11), and the output shaft of the motor (16) is inserted into the separator body (11). A drum (15) is provided inside the separator body (11), and the drum (15) is located below the oil inlet (13). A drum shaft (17) is provided at the bottom of the drum (15). A flat belt (18) is provided inside the separator body (11) for driving the motor (16) and the drum shaft (17).

3. The high-speed centrifugal oil filtration system according to claim 2, characterized in that: The outer wall of the separator body (11) is provided with a fastener screw (19) for adjusting the position of the motor (16) base.

4. The high-speed centrifugal oil filtration system according to claim 2, characterized in that: A brake handle (20) is provided on the separator body (11).

5. The high-speed centrifugal oil filtration system according to claim 2, characterized in that: The separator body (11) is provided with a water seal inlet (21), which is connected to the drum (15) and a constant flow valve (12).

6. The high-speed centrifugal oil filtration system according to claim 1, characterized in that: A temperature sensor (5) is installed at the outlet end of the preheater (4) to detect the temperature of the lubricating oil in the preheater (4) in real time. The lubricating oil is discharged after the temperature of the lubricating oil reaches the preset temperature.

7. The high-speed centrifugal oil filtration system according to claim 1, characterized in that: A lubricating oil inlet flow meter (3) is installed between the oil pump (2) and the preheater (4).

8. The high-speed centrifugal oil filtration system according to claim 1, characterized in that: A pressure gauge (9) for monitoring the lubricating oil pressure is provided at the oil outlet (14).

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