CN213141944U

CN213141944U - Vacuum oil filter

Info

Publication number: CN213141944U
Application number: CN202021337481.2U
Authority: CN
Inventors: 张祖明
Original assignee: Chongqing Lushun Scientific & Technological Development Co ltd
Current assignee: Chongqing Lushun Scientific & Technological Development Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-05-07
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a vacuum oil filter, include the inlet valve, strainer, oil feed solenoid valve, dewatering mechanism, heater, vacuum separation jar, oil pump, secondary filter, super fine filter and the delivery valve that connect gradually through oil pipeline, be provided with infrared fire fighting equipment, liquid level controller, air inlet solenoid valve and manual admission valve on the vacuum separation jar respectively, liquid level controller includes liquid level detection subtotal switching part, liquid level detection part locates in the vacuum separation jar, the lateral wall of vacuum separation jar is located to the switching part, and this switching part inserts in the oil pipeline between oil feed solenoid valve and the dewatering mechanism, liquid level detection part with the control part of switching part is connected, the vacuum separation jar still disposes evacuation mechanism. The oil filter can completely remove impurities, gas and other components and quickly escape from oil, so that the oil quality is high.

Description

Vacuum oil filter

Technical Field

The utility model relates to vacuum oil filter equipment technical field, concretely relates to vacuum oil filter.

Background

In the prior art, a vacuum oil filter is generally used to remove components such as moisture, impurities and gases in lubricating oil for the emulsification of the lubricating oil. However, the existing oil filter can not completely remove the moisture, impurities, gases and other components in the hydraulic lubricating oil, the quality of the filtered oil product is poor, and the normal operation of a hydraulic system, a power system or a lubricating system can not be ensured.

Disclosure of Invention

The utility model aims at providing a vacuum oil filter, through multistage filtration processing such as colating, dehydration, oil-water separation and essence, can make compositions such as impurity and gas clear away from escaping fast in the oil completely for oil quality height.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vacuum oil filter which the key lies in: including the inlet valve, coarse strainer, oil feed solenoid valve, dewatering mechanism, heater, vacuum separation jar, oil pump, fine filter, super fine filter and the delivery valve that connect gradually through oil pipeline, be provided with automatic admission line, manual admission line, infrared fire fighting equipment and liquid level controller on the vacuum separation jar respectively automatic admission line is provided with admission solenoid valve and manual admission valve respectively with manual admission line, liquid level controller includes liquid level detection part and switch portion, liquid level detection part locates in the vacuum separation jar, the lateral wall of vacuum separation jar is located to the switch portion, and this switch portion inserts in the oil pipeline between oil feed solenoid valve and the dewatering mechanism, liquid level detection part with switch portion's control part is connected, liquid level signal control switch portion's that liquid level controller detected through liquid level detection part aperture, and the vacuum separation tank is also connected with a vacuumizing mechanism.

Further, dehydration mechanism includes drain tank and first ponding jar, the drain tank install in the first ponding jar, the oil inlet of drain tank with the oil-out of liquid level controller links to each other, the oil-out of drain tank pass through the check valve with the oil inlet of heater is linked together, the delivery port of drain tank with first ponding jar intercommunication, first ponding jar still disposes level gauge and blowoff valve.

Furthermore, an oil outlet of the oil pump is connected with an oil inlet of the heater through an internal circulation pipeline, and an internal circulation valve is arranged on the internal circulation pipeline.

Furthermore, a first pressure gauge and a first pressure controller are arranged on the fine filter, and a second pressure gauge and a second pressure controller are arranged on the ultra-fine filter.

Furthermore, a sampling valve is arranged on an oil pipeline between the ultra-fine filter and the oil outlet valve.

Furthermore, a temperature measuring head is arranged in the heater, and signals of the temperature measuring head are uploaded to the fuzzy controller.

The utility model discloses a show the effect and be: the device can be widely applied to the purification of lubricating oil products such as hydraulic oil, mechanical oil, cooling oil, refrigerator oil, gear oil, gasoline engine oil, diesel engine oil, heat treatment oil and the like; three-stage filtration is formed through the coarse filter, the fine filter and the ultra-fine filter, and meanwhile, through modes of dehydration treatment, oil-water separation treatment after heating and the like, the oil to be treated can be formed in a short time to be subjected to multiple circulating filtration treatment, so that components such as moisture, impurities, gas and the like in the oil can be rapidly removed, the impurities, gas, moisture and the like in the oil can be completely removed, the quality of the oil is effectively improved, the service performance of the oil is recovered, the service standard is reached, and the normal operation of a hydraulic system, a power system and a lubricating system is ensured; and finally, detecting the oil level of the vacuum separation tank in real time through a liquid level controller and adjusting the opening of the switch part, so that the flow of the oil in the oil pipeline is controlled, and increasing the opening or reducing the opening when the liquid level of the vacuum separation tank is higher, so that the whole oil filter operates more stably and efficiently.

Drawings

Fig. 1 is a schematic diagram of the pipeline structure of the present invention.

Detailed Description

The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.

As shown in fig. 1, a vacuum oil filter comprises an oil inlet valve 1, a strainer 2, an oil inlet electromagnetic valve 3, a dehydration mechanism 4, a heater 5, a vacuum separation tank 6, an oil pump 7, a fine filter 9, a super fine filter 10 and an oil outlet valve 12 which are connected in sequence through an oil pipeline, wherein an automatic air inlet pipeline, a manual air inlet pipeline, an infrared defoaming device 6.2 and a liquid level controller 6.3 are respectively arranged on the vacuum separation tank 6, the automatic air inlet pipeline and the manual air inlet pipeline are respectively provided with an air inlet electromagnetic valve 6.1 and a manual air inlet valve 6.4, the liquid level controller 6.3 comprises a liquid level detection part and a switch part, the liquid level detection part is arranged in the vacuum separation tank 6, the switch part is arranged on the side wall of the vacuum separation tank 6, and the switch part is connected into the oil pipeline between the oil inlet electromagnetic valve 3 and the dehydration mechanism 4, the liquid level detection part is connected with the control part of the switch part, the liquid level controller 6.3 controls the opening degree of the switch part through a liquid level signal detected by the liquid level detection part, and the vacuum separation tank 6 is also provided with a vacuumizing mechanism.

Furthermore, a temperature measuring head 5.1 is arranged in the heater 5, and a signal of the temperature measuring head 5.1 is uploaded to a fuzzy controller 5.2.

In this example, the dewatering mechanism 4 includes a dewatering tank 4.1 and a first water collecting tank 4.2, the dewatering tank 4.1 is installed in the first water collecting tank 4.2, an oil inlet of the dewatering tank 4.1 is connected with an oil outlet of the liquid level controller 6.3, an oil outlet of the dewatering tank 4.1 is communicated with an oil inlet of the heater 5 through a one-way valve 5.3, a water outlet of the dewatering tank 4.1 is communicated with the first water collecting tank 4.2, and the first water collecting tank 4.2 is further provided with a liquid level meter 4.3 and a blow-down valve 4.4.

Further, an oil outlet of the oil pump 7 is also connected with an oil inlet of the heater 5 through an internal circulation pipeline, and an internal circulation valve 23 is arranged on the internal circulation pipeline; a first pressure gauge 9.1 and a first pressure controller 9.2 are arranged on the fine filter 9, and a second pressure gauge 10.1 and a second pressure controller 10.2 are arranged on the ultra-fine filter 10; a sampling valve 11 is provided in the oil pipeline between the ultrafilter 10 and the outlet valve 12.

Preferably, the vacuum pumping mechanism comprises a condenser 14, a water tank 20, a radiator 19 and a vacuum pump 17, an air inlet of the condenser 14 is communicated with the vacuum separation tank 6 through an air inlet pipeline, a main air outlet of the condenser 14 is connected with the vacuum pump 17 through an air outlet pipeline, an air exhaust one-way valve 16 is arranged on the air outlet pipeline, an auxiliary air outlet of the condenser 14 is connected with an air inlet of the air exhaust one-way valve 16 after being connected with a first ball valve 14.2 through an observation water cup 14.1, a water inlet of the condenser 14 is communicated with a first water outlet of the water tank 20 through a second ball valve 22 and a water pump 21, a water outlet of the condenser 14 is communicated with a first water inlet of the water tank 20, a second water outlet of the water tank 20 is communicated with a cooling water inlet of the vacuum pump 17 through the radiator 19 and a water inlet valve 18, and a cooling water outlet of the vacuum pump, a vacuum regulator 15 is provided between the condenser 14 and the bleed check valve 16.

Further, be provided with float switch 13 between condenser 14 and the vacuum separation jar 6, this float switch 13's air inlet with the gas outlet of vacuum tube is linked together, float switch 13's first gas outlet with condenser 14's air inlet links to each other, float switch 13's second gas outlet is connected with second ponding jar 24 through drain valve 24.1, float switch 13's second gas outlet still links to each other through the oil return mouth of oil return pipeline with vacuum separation jar 6, oil return pipeline disposes oil return valve 13.1.

The working process of the oil filter is as follows:

1. starting up: the power supply is firstly turned on, the water inlet valve 18 is opened, then the vacuum pump 17 is started, and the oil inlet valve 1 is opened when the vacuum degree is-0.08 MPa. When the oil is visible from the sight glass of the vacuum separator tank 6, the oil outlet valve 12 is opened, and the oil pump 7 is started.

2. The heater 5 is started, the temperature control value is adjusted, and the temperature is set to 60 ℃ when the factory leaves. In order to avoid smoldering of the heater 5, the heater 5 is interlocked with the vacuum pump 17 and the oil outlet pump 7 in circuit control, and the heater 5 can be started only after the vacuum pump 17 and the oil outlet pump 7 are started.

3. Stopping the machine: the heater is stopped for 5 minutes, the oil inlet valve 1 is closed after 5 minutes, the water inlet valve 18 is closed after 5 minutes (when the machine is stopped, water in the water tank 20 is prevented from being sucked into the condenser 14 and the vacuum separation tank 6), then the vacuum pump 17 is stopped, the air inlet valve is opened, vacuum is removed, after residual oil in the equipment is discharged as much as possible, the oil outlet pump 7 is stopped, and then the power supply is closed.

4. If the oil contains more water, more water vapor is generated. The surface tension of the oil is high, a large amount of foam is formed in high vacuum, and the liquid level gradually rises (treatment measures: slightly opening the inflation valve, reducing the working vacuum, and dispersing the foam completely). The device is provided with an oil injection prevention device which can prevent oil injection if oil is observed in a sewage pipeline of the oil injection prevention device (a treatment measure is that the valve 12.1 is opened to discharge the oil in the oil injection prevention device into the vacuum separator).

The machine is provided with an infrared defoaming device 6.2. When the foam rises and the infrared ray is blocked, the air inlet electromagnetic valve 6.1 automatically opens for air inflation, so that the vacuum degree is reduced, and the foam is reduced. When the infrared ray can be received again, the inflation electromagnetic valve is closed after delaying for 3-5 seconds, and then the inflation is stopped (the delay time can be adjusted between 0.1-30 seconds).

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A vacuum oil filter is characterized in that: including the inlet valve, coarse strainer, oil feed solenoid valve, dewatering mechanism, heater, vacuum separation jar, oil pump, fine filter, super fine filter and the delivery valve that connect gradually through oil pipeline, be provided with automatic admission line, manual admission line, infrared fire fighting equipment and liquid level controller on the vacuum separation jar respectively automatic admission line is provided with admission solenoid valve and manual admission valve respectively with manual admission line, liquid level controller includes liquid level detection part and switch portion, liquid level detection part locates in the vacuum separation jar, the lateral wall of vacuum separation jar is located to the switch portion, and this switch portion inserts in the oil pipeline between oil feed solenoid valve and the dewatering mechanism, liquid level detection part with switch portion's control part is connected, liquid level signal control switch portion's that liquid level controller detected through liquid level detection part aperture, and the vacuum separation tank is also connected with a vacuumizing mechanism.

2. The vacuum oil filter of claim 1, wherein: the dehydration mechanism comprises a dehydration tank and a first water accumulation tank, the dehydration tank is installed in the first water accumulation tank, an oil inlet of the dehydration tank is connected with an oil outlet of the liquid level controller, the oil outlet of the dehydration tank is communicated with an oil inlet of the heater through a one-way valve, a water outlet of the dehydration tank is communicated with the first water accumulation tank, and the first water accumulation tank is further provided with a liquid level meter and a drain valve.

3. The vacuum oil filter of claim 1, wherein: the oil outlet of the oil pump is also connected with the oil inlet of the heater through an internal circulation pipeline, and an internal circulation valve is arranged on the internal circulation pipeline.

4. The vacuum oil filter of claim 1, wherein: and a first pressure gauge and a first pressure controller are arranged on the fine filter, and a second pressure gauge and a second pressure controller are arranged on the ultra-fine filter.

5. The vacuum oil filter of claim 1, wherein: and a sampling valve is arranged on the oil pipeline between the ultra-precision filter and the oil outlet valve.

6. The vacuum oil filter of claim 1, wherein: a temperature measuring head is arranged in the heater, and signals of the temperature measuring head are uploaded to the fuzzy controller.