CN220159458U

CN220159458U - Vacuum oil filter

Info

Publication number: CN220159458U
Application number: CN202321654630.1U
Authority: CN
Inventors: 赵永成
Original assignee: CHONGQING ZHONGKE FILTER PLANT MANUFACTURE CO LTD
Current assignee: CHONGQING ZHONGKE FILTER PLANT MANUFACTURE CO LTD
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-12-12
Anticipated expiration: 2033-06-28

Abstract

The utility model provides a vacuum oil filter, which comprises a vacuum separation tank, an oil inlet filter device connected with an oil inlet of the vacuum separation tank, a heating device, an oil discharge filter device connected with an oil discharge port of the vacuum separation tank and a condensing device connected with an exhaust port of the vacuum separation tank, wherein the oil inlet filter device is connected with the oil discharge port of the vacuum separation tank; the condensing device comprises a condenser arranged on the pumping main pipe, a pumping check valve and a water ring vacuum pump, wherein the condenser is connected with a water tank with an exhaust port through a first circulating pipe, a water pump is arranged on the first circulating pipe, the water ring vacuum pump is connected with the water tank through a second circulating pipe, and a radiator is arranged on the second circulating pipe. The utility model removes the waste gas in the oil while vacuumizing, and does not influence the discharge of water in the oil; the condenser is cooled by the cooling medium in the water tank pumped by the water pump, the water ring vacuum pump is used for vacuumizing on one hand, and on the other hand, the water ring vacuum pump is used for pumping the heating cooling medium in the water tank, radiating and cooling the heating cooling medium through the radiator and then returning the cooling medium to the water tank, so that closed circulation cooling of the cooling medium is realized.

Description

Vacuum oil filter

Technical Field

The utility model belongs to the technical field of oil filters, and particularly relates to a vacuum oil filter.

Background

The vacuum oil filter is mainly used for improving the cleanliness of oil for machinery and electric appliances, so that the oil filter can exert the best performance and prolong the service life of equipment. The vacuum pump of the vacuum oil filter pumps air in the vacuum separation tank to form vacuum, external oil enters the primary filter to remove larger particles, then enters the heating tank, heated oil is quickly rotated through the spray wings to separate the oil into semi-mist, the semi-mist is fed into the vacuum separation tank, moisture in the oil is quickly evaporated into water vapor and is continuously pumped into the condenser by the vacuum pump, the water vapor entering the condenser is cooled and then reduced into water to be discharged, the oil in the vacuum separation tank is pumped to the fine filter by the oil discharge pump to filter the particulate impurities, so that the process of quickly removing the impurities, the moisture and the gas in the oil by the vacuum oil filter is completed, and clean oil is discharged out of the machine from an oil outlet.

CN201410185831.0 discloses a vacuum oil filter, which is characterized in that a condensing device and an exhaust device are arranged, residual moisture contained in oil in a vacuum tank is atomized and then pumped out by a vacuum pump through a cooler and a check valve of the condensing device, and gas in the oil in the vacuum tank is filtered out by a drying filter, a vacuum breaking valve and an exhaust valve in the exhaust device respectively. The device is characterized in that water and gas in the removed oil are respectively discharged through two pipes which are arranged in parallel, and an exhaust device comprises a dry filter, a vacuum breaking valve and an exhaust valve; secondly, the exhaust pipe is provided with a vacuum breaking valve, so that the vacuum of the vacuum tank is broken, and the water in the oil of the vacuum tank is not discharged easily.

Disclosure of Invention

The utility model aims to solve the technical problems in the prior art, and aims to provide a vacuum oil filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the vacuum oil filter comprises a vacuum separation tank, an oil inlet filtering device, a heating device, an oil discharge filtering device and a condensing device, wherein the oil inlet filtering device is connected with an oil inlet of the vacuum separation tank through an oil inlet pipe; the condensing device comprises a condenser, a pumping check valve and a water ring vacuum pump which are arranged on a pumping main pipe, wherein the condenser is connected with a water tank through a first circulating pipe, the water tank is provided with an exhaust port, the first circulating pipe is provided with a water pump, the water ring vacuum pump is connected with the water tank through a second circulating pipe, and the second circulating pipe is provided with a radiator.

According to the technical scheme, the water vapor and the waste gas in the oil which are separated in the vacuum separation tank are pumped by the water ring vacuum pump, most of the pumped water vapor is condensed into water by the condenser and then enters the water tank, and the residual small amount of water vapor and the waste gas in the oil enter the water tank and are discharged from the air outlet of the water tank. The condenser is cooled by the cooling medium in the water tank pumped by the water pump, the water ring vacuum pump is used for vacuumizing on one hand, and on the other hand, the condenser is used for pumping the heating cooling medium in the water tank, radiating and cooling the heating cooling medium through the radiator and then returning the cooling medium to the water tank, so that closed circulation cooling of the cooling medium is realized.

In a preferred embodiment of the present utility model, the first circulation pipe and the second circulation pipe are provided with shut-off valves.

According to the technical scheme, the stop valve is used for controlling the on-off of the fluid in the first circulating pipe and the second circulating pipe.

In a preferred embodiment of the present utility model, the oil feed filter device includes an oil feed valve, a magnetic filter, and a coarse filter provided on the oil feed pipe.

Above-mentioned technical scheme, the oil feed valve is arranged in controlling the break-make of oil in the oil feed pipe, and magnetism is inhaled the filter and is adopted magnetism to inhale the effect filtration magnetism impurity in the fluid, and coarse filter is in order to strain ferrous impurity and large granule impurity in the deoiling to protect out the oil pump.

In a preferred embodiment of the utility model, the magnetic filter is provided with a magnetic filter blow-off valve and the coarse filter is provided with a coarse filter blow-off valve.

In a preferred embodiment of the present utility model, the oil drain filter device includes an oil drain pump, a fine filter, and an oil drain valve provided on the oil drain pipe.

Above-mentioned technical scheme, go out oil pump and be used for taking out the vacuum knockout drum and separated fluid, the smart filter is used for carrying out the smart filter to the fluid that the vacuum knockout drum separated to further improve the quality of oil, go out the oil valve and be used for controlling the break-make of the fluid in the oil outlet pipe.

In another preferred embodiment of the utility model, the fine filter is provided with a fine filter blow-off valve; and/or the fine filter is a centrifuge; and/or a pressure gauge is arranged on the fine filter or on the oil discharge pipe at the upstream of the fine filter, and the pressure gauge is connected with a pressure alarm.

According to the technical scheme, the pressure gauge is arranged to detect the oil pressure of the fine filter, and when the pressure value displayed by the pressure gauge is higher, the pressure alarm gives an alarm, so that the filter core is required to be replaced when the fine filter is blocked.

In another preferred embodiment of the utility model, a sampling valve is provided on the oil drain pipe downstream of the fine filter.

Above-mentioned technical scheme is through setting up the sample valve, and the extraction fluid of being convenient for is inspected.

In another preferred embodiment of the utility model, the heating device comprises a heater, the bottom of the heater is provided with a drain outlet, and a heating drain valve is arranged at the drain outlet; the heating device also comprises a temperature measuring head for measuring the oil temperature in the heater, and a signal output end of the temperature measuring head is connected with the controller.

In another preferred embodiment of the utility model, a liquid level monitor is arranged in the vacuum separation tank, and the signal output end of the liquid level monitor is connected with the enabling end of the oil discharge filtering device; and/or the outer wall of the vacuum separation tank is provided with a liquid level observation window.

According to the technical scheme, when the liquid level in the vacuum separation tank is too low, the oil outlet pump stops working, so that the phenomena of no-load and oil leakage of the oil outlet pump are avoided.

In another preferred embodiment of the utility model, the oil inlet of the vacuum separation tank is positioned at the top of the vacuum separation tank, the oil atomizer is arranged at the top of the vacuum separation tank, and the reactor with the evaporation structure is also positioned below the oil atomizer in the vacuum separation tank.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural flow diagram of a vacuum oil filter according to an embodiment of the present utility model.

Reference numerals in the drawings of the specification include: the vacuum separation tank 10, the oil inlet 101, the oil drain 102, the suction outlet 103, the vacuum tank drain valve 11, the vacuum gauge 12, the air intake solenoid valve 13, the manual air intake valve 14, the oil atomizer 15, the reactor 16, the liquid level monitor 17, the liquid level observation window 18, the infrared defoaming device 19, the oil intake filtering device 20, the oil intake valve 21, the magnetic suction filter 22, the magnetic filtration drain valve 221, the coarse filter 23, the coarse filtration drain valve 231, the heating device 30, the heater 31, the heating drain valve 32, the temperature measuring head 33, the controller 34, the oil discharge filtering device 40, the oil pump 41, the oil outlet one-way valve 42, the fine filter 43, the fine filtration drain valve 431, the pressure gauge 432, the pressure alarm 433, the sampling valve 44, the oil outlet valve 45, the condensing device 50, the condenser 51, the suction drain one-way valve 52, the water ring vacuum pump 53, the first 54, the water pump 541, the stop valve 542, the second circulation pipe 55, the radiator 551, the water tank 56, the air outlet 561, and the water separator 57.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "vertical," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

In the description of the present utility model, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

The utility model provides a vacuum oil filter, as shown in fig. 1, in a preferred embodiment, the vacuum oil filter comprises a vacuum separation tank 10, an oil inlet filtering device 20, a heating device 30, an oil discharge filtering device 40 and a condensing device 50, wherein the vacuum separation tank 10 is a vertical tank, a vacuum gauge 12 and an oil inlet 101 are arranged at the top of the vacuum separation tank 10, an oil discharge port 102 is arranged at the bottom of the vacuum separation tank, an oil atomizer 15 is arranged at the top of the inside of the vacuum separation tank 10, a reactor 16 with an evaporation structure is arranged below the oil atomizer 15, and a pumping outlet 103 positioned above the reactor 16 is also arranged on the side of the top of the vacuum separation tank 10.

The oil inlet filter device 20 is connected with the oil inlet 101 of the vacuum separation tank 10 through an oil inlet pipe, the heating device 30 is arranged between the oil inlet filter device 20 and the oil inlet 101 of the vacuum separation tank 10 and/or in the vacuum separation tank 10, fig. 1 shows that the heating device 30 is arranged between the oil inlet filter device 20 and the oil inlet 101 of the vacuum separation tank 10, the oil discharge filter device 40 is connected with the oil discharge port 102 of the vacuum separation tank 10 through an oil discharge pipe, and the condensing device 50 is connected with the pumping outlet 103 of the vacuum separation tank 10 through a pumping drain pipe.

The condensing device 50 includes a condenser 51, a pumping check valve 52 and a water ring vacuum pump 53 sequentially disposed on a pumping main pipe along the oil flowing direction, and the water ring vacuum pump 53 can be used as a vacuum pump or a compressor, which is not described in detail herein. The condenser 51 is connected with a water tank 56 through a first circulation pipe 54, the water tank 56 has an exhaust port 561, and the first circulation pipe 54 is provided with a water pump 541 and a stop valve 542; the water ring vacuum pump 53 is connected to the water tank 56 through a second circulation pipe 55, and the second circulation pipe 55 is provided with a radiator 551 and a shut-off valve 542, and the radiator 551 is an air-cooled radiator.

By adopting the vacuum oil filter, oil to be treated is filtered by the oil inlet filter device 20 under the action of the preceding-stage oil pump, then enters the heating device 30 for heating, hot oil enters the vacuum separation tank 10 through the oil inlet 101 of the vacuum separation tank 10, becomes coarse particles and mist under the action of the oil atomizer 15, enters the vacuum separation tank 10, the moisture in the hot oil is rapidly evaporated into vapor, the oil mist falls onto the reactor 16, and a three-dimensional and multi-layer evaporation structure is formed in the tank. The steam separated from the vacuum separation tank 10 is pumped into the condenser 51 by the water ring vacuum pump 53 together with the exhaust gas in the oil, most of the steam is condensed into water in the condenser 51 and discharged to the water tank 56 outside the machine, and a small part of the steam and the exhaust gas in the oil are discharged from the exhaust port 561 of the water tank 56. The oil separated from the vacuum separation tank 10 is pumped out by the oil discharge filtering device 40, filtered and discharged, thereby completing the process of rapidly removing impurities, moisture and waste gas in the oil by the vacuum oil filter, and discharging clean oil outside the vacuum oil filter.

In the condensing device 50 of the utility model, the water ring vacuum pump 53 vacuumizes the vacuum separating tank 10, the water vapor and the waste gas in the oil are pumped out to the condenser 51, the cooling medium in the water tank 56 is pumped out to the condenser 51 under the action of the water pump 541, and is subjected to heat exchange with the water vapor in the condenser 51 so as to condense the water vapor into water, the heating cooling medium after cooling the condenser 51 returns to the water tank 56 under the action of the water pump 541, the heating cooling medium in the water tank 56 is pumped out by the water ring vacuum pump 53, and is cooled by the heat radiator 551 and then returned to the water tank 56, thereby realizing the closed circulation cooling of the cooling medium, and the vacuum oil filter can not use long-flowing water. Wherein, the cooling medium can adopt antifreeze or pure water, and preferably adopts antifreeze, which is beneficial to protecting the water ring vacuum pump 53.

The utility model uses the saturation temperature curve of water and the vacuum drying principle to carry out three-dimensional and multi-layer rapid evaporation high-efficiency oil-water separation technology, and carries out multi-stage large-flux deep precision filtration, thereby reliably removing water, impurities, gas and other harmful substances in the inferior oil, rapidly recovering the usability of the oil quality and enabling the treated oil to reach the use standard.

In the present utility model, the bottom of the vacuum separation tank 10 is further provided with a drain port where a vacuum tank drain valve 11 is provided for discharging the precipitated oil and impurities accumulated at the bottom of the vacuum separation tank 10. An air inlet solenoid valve 13 and a manual air inlet valve 14 are also connected to the upper side wall of the vacuum separation tank 10, and when the vacuum of the vacuum separation tank 10 needs to be released, the air inlet solenoid valve 13 or the manual air inlet valve 14 can be opened to allow the outside atmosphere to enter. The upper side wall of the vacuum separation tank 10 is also provided with an infrared ray defoaming device 19 to eliminate foam in the vacuum separation tank 10.

In the utility model, the oil inlet filter device 20 comprises an oil inlet valve 21, a magnetic filter 22 and a coarse filter 23 which are sequentially arranged on an oil inlet pipe according to the flowing direction of oil, wherein the magnetic filter 22 filters magnetic impurities in oil by adopting the action of magnetic attraction, and the coarse filter 23 filters iron impurities and large-particle impurities in the oil. The bottom of the magnetic filter 22 is provided with a drain outlet, and the drain outlet is provided with magnetic filter drain; the bottom of the coarse filter 23 also has a drain outlet where a coarse filter drain valve 231 is provided.

In the present utility model, the oil drain filter device 40 includes an oil outlet pump 41, an oil outlet check valve 42, a fine filter 43 and an oil outlet valve 45 which are sequentially provided on an oil drain pipe in the flow direction of oil, and a drain outlet is provided at the bottom of the fine filter 43, and a fine filter drain valve 431 is provided at the drain outlet. Preferably, a sampling port is provided on the oil drain pipe downstream of the fine filter 43, and a sampling valve 44 is provided at the sampling port to facilitate the inspection of the extracted oil.

In the present embodiment, the fine filter 43 is a centrifuge, and filters impurities remaining in the oil liquid by centrifugation, thereby realizing fine filtration. Preferably, a pressure gauge 432 is arranged on the fine filter 43 or on an oil drain pipe at the upstream of the fine filter, the pressure gauge 432 is an anti-seismic pressure gauge, and the pressure gauge 432 is connected with a pressure alarm 433. When the pressure value displayed by the pressure gauge 432 is higher, the pressure alarm 433 alarms (particularly, can give out sound or sound-light to alarm), which indicates that the fine filter 43 is blocked and the filter element needs to be replaced.

In the present utility model, the heating device 30 includes a heater 31, and a drain outlet is provided at the bottom of the heater 31, and a heating drain valve 32 is provided at the drain outlet. The heating device 30 further comprises a temperature measuring head 33 for measuring the oil temperature in the heater 31, a signal output end of the temperature measuring head 33 is connected with a controller 34, the controller 34 can set upper and lower limits of temperature, the oil temperature can be randomly adjusted within the range of 20-80 ℃, when the oil temperature reaches the set upper limit temperature, the heater 31 stops heating automatically, the heater 31 is started and stopped manually and automatically, the controller 34 adopts a fuzzy control technology, frequent starting and stopping of the heater 31 is overcome, and the service life of a relay contact system of the heating device is prolonged by nearly hundred times.

In another preferred embodiment, a liquid level monitor 17 is arranged in the vacuum separation tank 10, and a signal output end of the liquid level monitor 17 is connected with an enabling end of an oil outlet pump 41 of the oil discharging and filtering device 40; and/or the outer wall of the vacuum separation tank 10 is provided with a level viewing window 18. Preferably, the level monitor 17 and the level observation window 18 are provided simultaneously. When the liquid level in the vacuum separation tank 10 is too low, the oil discharge pump 41 stops working, so that the phenomena of no load and oil leakage of the oil discharge pump 41 are avoided.

In the present utility model, the heating device 30 is three-in-one interlocked with the condensing device 50 and the oil drain filtering device 40. For example, when the heating device 30 is interlocked with the oil discharge filtering device 40, the power supply of the heater 31 is automatically cut off when the oil discharge pump 41 stops working, so that the heater 31 is prevented from oil-free dry burning; when the heating device 30 is interlocked with the condensing device 50, oil enters the heating device 30 after the water ring vacuum pump 53 is started, and the heating device 30 can be started.

In the description of the present specification, reference to the terms "preferred implementation," "one embodiment," "some embodiments," "example," "a particular example" or "some examples" and the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The vacuum oil filter comprises a vacuum separation tank, an oil inlet filtering device, a heating device, an oil discharge filtering device and a condensing device, wherein the oil inlet filtering device is connected with an oil inlet of the vacuum separation tank through an oil inlet pipe, the heating device is arranged between the oil inlet filtering device and the oil inlet of the vacuum separation tank and/or in the vacuum separation tank, the oil discharge filtering device is connected with an oil discharge port of the vacuum separation tank through an oil discharge pipe, and the condensing device is connected with an oil suction port of the vacuum separation tank through a suction pipe; the condensing device is characterized by comprising a condenser, a pumping check valve and a water ring vacuum pump which are arranged on a pumping main pipe, wherein the condenser is connected with a water tank through a first circulating pipe, the water tank is provided with an exhaust port, the first circulating pipe is provided with a water pump, the water ring vacuum pump is connected with the water tank through a second circulating pipe, and the second circulating pipe is provided with a radiator.

2. The vacuum oil filter according to claim 1, wherein the first circulation pipe and the second circulation pipe are provided with stop valves.

3. The vacuum oil filter according to claim 1, wherein the oil feed filter device comprises an oil feed valve, a magnetic filter and a coarse filter provided on the oil feed pipe.

4. A vacuum oil filter according to claim 3, wherein the magnetic filter is provided with a magnetic filter drain valve and the coarse filter is provided with a coarse filter drain valve.

5. The vacuum oil filter according to claim 1, wherein the oil drain filter device comprises an oil drain pump, a fine filter, and an oil drain valve provided on the oil drain pipe.

6. The vacuum oil filter according to claim 5, wherein the fine filter is provided with a fine filter drain valve;

and/or the fine filter is a centrifuge;

and/or a pressure gauge is arranged on the fine filter or an oil discharge pipe at the upstream of the fine filter, and the pressure gauge is connected with a pressure alarm.

7. The vacuum oil filter according to claim 5, wherein a sampling valve is provided on the oil drain pipe downstream of the fine filter.

8. The vacuum oil filter according to claim 1, wherein the heating device comprises a heater, a drain outlet is arranged at the bottom of the heater, and a heating drain valve is arranged at the drain outlet; the heating device also comprises a temperature measuring head for measuring the oil temperature in the heater, and a signal output end of the temperature measuring head is connected with the controller.

9. The vacuum oil filter according to any one of claims 1-8, wherein a liquid level monitor is arranged in the vacuum separation tank, and a signal output end of the liquid level monitor is connected with an enabling end of the oil discharge filtering device;

and/or a liquid level observation window is arranged on the outer wall of the vacuum separation tank.

10. The vacuum oil filter according to any one of claims 1-8, wherein the oil inlet of the vacuum separation tank is located at the top thereof, the top of the interior of the vacuum separation tank is provided with an oil atomizer, and the interior of the vacuum separation tank is provided with a reactor with an evaporation structure which is also located below the oil atomizer.