CN113217351A - Oil-gas separation filter of air compressor and oil-gas separation method thereof - Google Patents

Abstract

The invention discloses an oil-gas separation filter of an air compressor and an oil-gas separation method thereof, wherein the oil-gas separation filter comprises the air compressor and a filter body, wherein the filter body comprises a first pumping cylinder; the oil gas inlet is arranged at the top of the filter body; one end of the air compressor is connected with the oil-gas inlet through an oil-gas pipe, a first filtering module for secondary gas separation is arranged on one side of the filter body, a second filtering module for secondary oil filtration is arranged on the other side of the filter body, a separation assembly is rotationally connected in the first filtering module, and a filtering assembly is arranged in the second filtering module; the two independent filter modules correspondingly process the two products, which is beneficial to improving the purity of the two products, and compared with the prior art, the oil content in the product gas can be reduced by 85-95%, and the gas content in the product oil can be reduced by 80-90%.

Description

Oil-gas separation filter of air compressor and oil-gas separation method thereof

Technical Field

The invention relates to the field of oil-gas separation filters, in particular to an oil-gas separation filter of an air compressor and an oil-gas separation method thereof.

Background

In the fields of automobile manufacturing industry, processing center, building industry and the like, part of work needs to be carried out by using compressed air, the compressed air generally adopts an air compressor, but the compressed air discharged by the existing air compressor usually contains oil, and the gas generated by the air compressor can cause the damage of related components.

Disclosure of Invention

The invention aims to provide an air compressor oil-gas separation filter and an oil-gas separation method thereof, which have a secondary separation function, are beneficial to purifying product oil or product gas independently and improve the quality of separated oil gas.

In order to achieve the purpose, the technical scheme of the invention is as follows:

an oil-gas separation filter of an air compressor comprises the air compressor and a filter body, wherein the filter body comprises a first pumping cylinder which is arranged at the top of the filter body and used for pumping gas; the oil gas inlet is arranged at the top of the filter body; and a second pumping cylinder arranged at the bottom of the filter body and used for pumping oil, wherein one end of the air compressor is connected with the oil-gas inlet through an oil-gas pipe, one side of the filter body is provided with a first filtering module used for secondarily separating gas, the other side of the air compressor is provided with a second filtering module used for secondarily filtering oil, the shells of the first filtering module and the second filtering module are both hollow shells, a separation component is rotationally connected in the first filtering module, a filtering component is arranged in the second filtering module, the first filtering module is connected with the filter body through the first pumping cylinder, the second filtering module is connected with the filter body through the second pumping cylinder, one side of the first filtering module is provided with a third pumping cylinder used for pumping oil, the second filtering module is connected with the first filtering module through a third pumping cylinder, one side of the first filtering module is provided with a fourth pumping cylinder used for being connected with external equipment, and a fifth pumping cylinder for connecting with external equipment is arranged on one side of the second filtering module.

Preferably, the separating assembly includes oleophylic sponge, bull stick, motor, the one end of bull stick is connected with the pivot transmission of motor, the other end with the inner chamber lateral wall of first filtration module rotates to be connected, the bull stick is being equipped with first extrusion piece in the one end of being close to the motor is coaxial, the bull stick is being equipped with the second extrusion piece in the one end of keeping away from the motor is coaxial, second extrusion piece and bull stick sliding fit, oleophylic sponge wears to establish on the bull stick and is located between first extrusion piece and the second extrusion piece.

Preferably, the separation assembly further comprises a squeezing rod which is in a concave shape, and two through holes for inserting one end of the squeezing rod into are formed in one end, far away from the motor, of the first filtering module; and cover the sealed plug of two through-holes, the transversal cross of personally submitting of oleophylic sponge, the second extrusion piece is equipped with the sleeve in the one side that is close to first extrusion piece, one side of first extrusion piece is equipped with the release link with sleeve one-to-one, the one end and the telescopic inside wall sliding fit of release link, wear to be equipped with reset spring on the release link, reset spring's one end offsets with telescopic one side, and the other end offsets with one side of first extrusion piece.

Preferably, two the through-hole is "8" font through-hole, "8" font through-hole one end confession the stripper bar passes, and the other end is used for balanced atmospheric pressure, the sleeve is equipped with two, and is located respectively and is the cross two contained angle departments of oleophylic sponge, the sleeve is equipped with the exhaust hole in the one end that is close to first extrusion piece, the both sides of bull stick are equipped with the rectangle sand grip.

Preferably, filtering component includes baffle, filter screen, the baffle will filter module's inner chamber is cut apart into filter chamber and oil storage chamber to the second, the filter chamber passes through second pump sending jar and filter body intercommunication, first filter module pass through third pump sending jar with the filter chamber intercommunication, the oil storage chamber passes through fifth pump sending jar and is connected with external equipment, one side of filter screen and second filter module's interior top surface welding, the opposite side with the top welding of baffle, the top of oil storage chamber is equipped with the atmospheric pressure hole, and the oil storage chamber passes through atmospheric pressure hole and external intercommunication.

Preferably, the filter screen is a three-hundred-mesh filter screen, and an included angle between the filter screen and the partition board is 120-140 degrees.

Preferably, the bottom of the inner cavity of the first filter module is provided with an inclined plane, and the inclination of the inclined plane is 160-170 degrees.

A method of oil and gas separation comprising the steps of:

s1: compressing gas by an air compressor, conveying the compressed gas with oil to a filter body through an oil-gas pipe, preliminarily separating oil gas by the filter body through centrifugal force, conveying the separated product A gas to a first filtering module through a first pumping cylinder, and conveying the separated product B oil to a filtering chamber of a second filtering module through a second pumping cylinder;

s2: a motor on the first filtering module drives a rotating rod to complete rotation, the rotating rod drives the oleophylic sponge to synchronously rotate, and residual oil in the product A gas is adsorbed to obtain a product c gas;

s3: starting a fourth pumping cylinder, and pumping the product c gas to external use equipment;

s4: closing the fourth pumping cylinder, opening a sealing rubber plug on the first filtering module, penetrating a through hole covered by the sealing rubber plug by using an extrusion rod, abutting against one side surface of the first extrusion block, and then pushing the first extrusion block to one side close to the motor, so that the oleophilic sponge and the reset spring are compressed simultaneously to obtain a product D oil;

s5: starting a third pumping cylinder to pump the product D oil into a filtering chamber of the second filtering module;

s6: when the product B oil and the product D oil reach a certain height in the filtering type, the product B oil and the product D oil flow to the oil storage chamber through the filter screen to obtain a product F oil;

s7: the fifth pumping cylinder is activated and product F is pumped to the outside user.

The invention has the beneficial effects that: the first product gas separated by the filter body can be subjected to secondary separation through the first filtering module on one side of the filter body, the rotating separation component changes the flow velocity of the product gas and continuously contacts with the product gas in the rotating process to adsorb residual oil on the product gas; through the second filtering module on the other side of the filter body, the second product oil separated from the filter body can be subjected to secondary filtering, after the product oil passes through the filtering component, residual gas and impurities in the product oil can be removed, and the two independent filtering modules correspondingly process the two products, so that the purity of the two products can be improved, compared with the prior art, the oil content in the product gas can be reduced by 85-95%, and the gas content in the product oil can be reduced by 80-90%; through the fifth pumping cylinder, the residual oil generated by the first filtering module can be pumped back to the second filtering module and can be reused after being filtered again by the filtering component.

Additional aspects and advantages of the invention 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 invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an oil-gas separation filter of an air compressor in the invention;

FIG. 2 is a schematic diagram of a first filter module of an oil-gas separation filter of an air compressor in the invention;

FIG. 3 is a schematic structural diagram of an oleophilic sponge of an oil-gas separation filter of an air compressor in the invention;

FIG. 4 is a schematic view of the installation of a sealing rubber plug of an oil-gas separation filter of an air compressor in the invention.

Shown in the figure: 1-a filter body, 10-an air compressor, 11-an oil gas inlet, 12-a first pumping cylinder and 13-a second pumping cylinder;

2-a first filtering module, 20-a separating component, 21-oleophilic sponge, 22-a motor, 220-a rotating rod, 221-a convex strip, 23-a sleeve, 230-an exhaust hole, 24-a reset rod, 240-a reset spring, 25-a first extrusion block, 26-a second extrusion block, 260-an extrusion rod, 261-a through hole, 262-a sealing rubber plug, 27-a third pumping cylinder, 28-a fourth pumping cylinder and 29-a slope;

3-second filter module, 30-partition, 31-filter chamber, 32-oil chamber, 33-filter screen, 34-air pressure hole, 35-fifth pumping cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, an air-oil separation filter of an air compressor includes an air compressor 10 and a filter body 1, where the filter body 1 includes a first pumping cylinder 12 disposed at the top of the filter body 1 for pumping air; an oil gas inlet 11 arranged at the top of the filter body 1; and locate the second pump sending jar 13 that is used for pump sending oil in filter body 1 bottom, the one end of air compressor 10 passes through the oil gas pipe with oil gas import 11 is connected, one side of filter body 1 is equipped with the first filtration module 2 that is used for the secondary separation gas, and the opposite side is equipped with the second filtration module 3 that is used for the secondary filtration oil, the shell of first filtration module 2 and second filtration module 3 is hollow casing, the internal rotation of first filtration module 2 is connected with separation assembly 20, can change the flow velocity of product gas and increase the area of contact of separation assembly 20 and product gas, is favorable to separation assembly 20 to adsorb the residual oil in the product gas and separate, be equipped with filter assembly in the second filtration module 3, first filtration module 2 passes through first pump sending jar 12 is connected with filter body 1, second filtration module 3 passes through second pump sending jar 13 and is connected with filter body 1, one side of first filtration module 2 is equipped with the third pump jar 27 that is used for the pump sending oil, second filtration module 3 is connected with first filtration module 2 through the third pump sending, one side of first filtration module 2 is equipped with the fourth pump jar 28 that is used for being connected with external equipment, one side of second filtration module 3 is equipped with the fifth pump jar 35 that is used for being connected with external equipment.

Referring to fig. 1, preferably, the separation assembly 20 includes an oleophilic sponge 21, a rotating rod 220, and a motor 22, one end of the rotating rod 220 is in transmission connection with a rotating shaft of the motor 22, the other end of the rotating rod is in rotational connection with a sidewall of an inner cavity of the first filter module 2, a first squeezing block 25 is coaxially disposed at one end of the rotating rod 220 close to the motor 22, a second squeezing block 26 is coaxially disposed at one end of the rotating rod 220 far from the motor 22, the second squeezing block 26 is in sliding fit with the rotating rod 220, and the oleophilic sponge 21 is disposed on the rotating rod 220 and located between the first squeezing block 25 and the second squeezing block 26.

Referring to fig. 2, preferably, the separation assembly 20 further includes a pressing rod 260, the pressing rod 260 is a concave-shaped pressing rod 260, and two through holes 261 into which one end of the pressing rod is inserted are formed at one end of the first filter module 2 away from the motor 22; and cover two through-holes 261's sealed plug 262, oleophylic sponge 21's transversal cross of personally submitting increases oleophylic sponge 21 and the area of contact of product gas, improves the efficiency of adsorbed oil, second extrusion piece 26 is equipped with sleeve 23 in the one side that is close to first extrusion piece 25, one side of first extrusion piece 25 is equipped with the release link 24 with sleeve 23 one-to-one, the one end of release link 24 and sleeve 23's inside wall sliding fit, wear to be equipped with reset spring 240 on the release link 24, reset spring 240's one end offsets with one side of sleeve 23, and the other end offsets with one side of first extrusion piece 25.

Referring to fig. 4, preferably, the two through holes 261 are "8" -shaped through holes 261, one end of each of the two through holes 261 is used for the extrusion rod 260 to pass through, the other end of each of the two through holes 261 is used for balancing air pressure, the two sleeves 23 are respectively located at two corners of the cross-shaped oleophilic sponge 21, an exhaust hole 230 is formed at one end of each of the sleeves 23 close to the first extrusion block 25 and used for exhausting air generated by the reset rod 24 when sliding on the inner side wall of each of the sleeves 23, and rectangular convex strips 221 are formed at two sides of the rotating rod 220; the protruding strip 221 can prevent the lipophilic sponge 21 from rotating relative to the outer side wall of the rotating rod 220, so that the lipophilic sponge 21 can rotate synchronously when the rotating rod 220 rotates.

When the oil-water separation device is used, after the extrusion rod 260 penetrates through the through hole 261 to abut against one side face of the first extrusion block 25, the first extrusion block 25 is continuously moved to one side close to the second extrusion block 26, at the moment, the oleophylic sponge 21 is compressed, oil adsorbed on the oleophylic sponge 21 falls to the bottom of the inner cavity of the first filtering module 2, meanwhile, the return spring 240 is also compressed, then, the extrusion rod 260 is loosened, at the moment, the oleophylic sponge 21 and the return spring 240 are released simultaneously, the return spring 240 pushes the first extrusion block 25 to reset, the previous steps are repeated for multiple times, residual oil in the oleophylic sponge 21 is extruded and dropped to the bottom of the inner cavity of the first filtering module 2, and the residual oil is pumped into the second filtering module 3 by the fifth pumping cylinder 35 and can be reused after being filtered again by the filtering assembly.

Preferably, the filter assembly includes baffle 30, filter screen 33, baffle 30 will filter module 3's inner chamber is cut apart into filter chamber 31 and oil storage chamber 32, filter chamber 31 passes through second pumping cylinder 13 and filter body 1 intercommunication, first filter module 2 through third pumping cylinder 27 with filter chamber 31 intercommunication, oil storage chamber 32 is connected with external equipment through fifth pumping cylinder 35, one side of filter screen 33 and the interior top surface welding of second filter module 3, the opposite side with the top welding of baffle 30, the top of oil storage chamber 32 is equipped with atmospheric pressure hole 34, and oil storage chamber 32 passes through atmospheric pressure hole 34 communicates with the external world, and atmospheric pressure hole 34 is used for balancing the atmospheric pressure in the oil storage chamber 32, is favorable to the product oil to flow out in dashing filter chamber 31.

Preferably, the filter screen 33 is a three-hundred-mesh filter screen 33, and an included angle between the filter screen 33 and the partition plate 30 is 120-140 degrees; when the product oil slides down from the filter screen 33, the buffer function is achieved, the collision between the oil in the filter chamber 31 and the oil in the storage chamber is reduced, and the generation of air bubbles is reduced.

Preferably, the bottom of the inner cavity of the first filter module 2 is provided with an inclined plane 29, and the inclination of the inclined plane 29 is 160-170 degrees; facilitating the collection of oil dripping from oleophilic sponge 21 in first filter module 2.

A method of oil and gas separation comprising the steps of:

s1: the air compressor 10 compresses air, the compressed air with oil is conveyed to the filter body 1 through an oil-gas pipe, the filter body 1 performs primary separation on oil and gas through centrifugal force, the separated product A air is conveyed to the first filtering module 2 through the first pumping cylinder 12, and the separated product B oil is conveyed to the filtering chamber 31 of the second filtering module 3 through the second pumping cylinder 13;

s2: the motor 22 on the first filtering module 2 drives the rotating rod 220 to complete rotation, the rotating rod 220 drives the oleophilic sponge 21 to synchronously rotate, and residual oil in the product A gas is adsorbed to obtain a product c gas;

s3: the fourth pumping cylinder 28 is started to pump the product c gas to the external using equipment;

s4: closing the fourth pumping cylinder 28, opening a sealing rubber plug 262 on the first filtering module 2, respectively penetrating two 8-shaped through holes 261 covered by the sealing rubber plug 262 by using two ends of an extrusion rod 260, and abutting against one side surface of the first extrusion block 25, then pushing the first extrusion block 25 to one side close to the motor 22, so that the oleophilic sponge 21 and the reset spring 240 are simultaneously compressed to obtain a product D oil, wherein a single 8-shaped through hole 261 comprises two hole sites which are symmetrical up and down, one hole site of the single 8-shaped through hole 261 is in sliding fit with the outer side wall of one end of the extrusion rod 260, and the other hole site is used for discharging air generated when the oleophilic sponge 21 is extruded by the first extrusion block 25;

s5: the third pumping cylinder 27 is started to pump the product D oil into the filtering chamber 31 of the second filtering module 3;

s6: when the product B oil and the product D oil reach a certain height in the filtering type, the product B oil and the product D oil flow to the oil storage chamber 32 through the filter screen 33 to obtain a product F oil;

s7: when the level of oil in oil reservoir chamber 32 is above the level of diaphragm 30, fifth pumping cylinder 35 is actuated to pump product F to the outside user.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. An oil-gas separation filter of an air compressor comprises the air compressor and a filter body, wherein the filter body comprises a first pumping cylinder which is arranged at the top of the filter body and used for pumping gas; the oil gas inlet is arranged at the top of the filter body; and a second pumping cylinder arranged at the bottom of the filter body and used for pumping oil, wherein one end of the air compressor is connected with the oil-gas inlet through an oil-gas pipe, the air-conditioning filter is characterized in that one side of the filter body is provided with a first filtering module used for separating gas for the second time, the other side of the air compressor is provided with a second filtering module used for filtering oil for the second time, the shells of the first filtering module and the second filtering module are hollow shells, a separation component is rotationally connected in the first filtering module, a filtering component is arranged in the second filtering module, the first filtering module is connected with the filter body through the first pumping cylinder, the second filtering module is connected with the filter body through the second pumping cylinder, one side of the first filtering module is provided with a third pumping cylinder used for pumping oil, and the second filtering module is connected with the first filtering module through the third pumping cylinder, one side of the first filtering module is provided with a fourth pumping cylinder connected with external equipment, and one side of the second filtering module is provided with a fifth pumping cylinder connected with the external equipment.

2. The air compressor oil-gas separation filter of claim 1, wherein the separation assembly comprises an oleophilic sponge, a rotating rod and a motor, one end of the rotating rod is in transmission connection with a rotating shaft of the motor, the other end of the rotating rod is in rotation connection with the inner cavity side wall of the first filtering module, a first extrusion block is coaxially arranged at one end of the rotating rod close to the motor, a second extrusion block is coaxially arranged at one end of the rotating rod far away from the motor, the second extrusion block is in sliding fit with the rotating rod, and the oleophilic sponge is arranged on the rotating rod in a penetrating manner and is located between the first extrusion block and the second extrusion block.

3. The air compressor oil-gas separation filter as claimed in claim 2, wherein the separation assembly further comprises a squeeze rod, the squeeze rod is a concave-shaped squeeze rod, and the first filter module is provided with two through holes for inserting one end of the squeeze rod at one end far away from the motor; and cover the sealed plug of two through-holes, the transversal cross of personally submitting of oleophylic sponge, the second extrusion piece is equipped with the sleeve in the one side that is close to first extrusion piece, one side of first extrusion piece is equipped with the release link with sleeve one-to-one, the one end and the telescopic inside wall sliding fit of release link, wear to be equipped with reset spring on the release link, reset spring's one end offsets with telescopic one side, and the other end offsets with one side of first extrusion piece.

4. The air compressor oil-gas separation filter of claim 3, wherein the two through holes are 8-shaped through holes, one end of each 8-shaped through hole is used for the extrusion rod to pass through, the other end of each 8-shaped through hole is used for balancing air pressure, the two sleeves are respectively positioned at two included angles of the cross-shaped oleophylic sponge, an exhaust hole is formed in one end, close to the first extrusion block, of each sleeve, and rectangular convex strips are arranged on two sides of each rotary rod.

5. The air compressor oil-gas separation filter as claimed in claim 1, wherein the filter assembly comprises a partition plate and a filter screen, the partition plate divides the inside of the second filter module into a filter chamber and an oil storage chamber, the filter chamber is communicated with the filter body through the second pumping cylinder, the first filter module is communicated with the filter chamber through a third pumping cylinder, the oil storage chamber is connected with external equipment through a fifth pumping cylinder, one side of the filter screen is welded to the inner top surface of the second filter module, the other side of the filter screen is welded to the top end of the partition plate, an air pressure hole is formed in the top end of the oil storage chamber, and the oil storage chamber is communicated with the outside through the air pressure hole.

6. The air compressor oil-gas separation filter as claimed in claim 5, wherein the filter screen is a three-hundred mesh filter screen, and the included angle between the filter screen and the partition board is 120-140 degrees.

7. The air compressor oil-gas separation filter as claimed in claim 1, wherein the bottom of the inner cavity of the first filter module is provided with an inclined surface, and the inclination of the inclined surface is 160-170 degrees.

8. An oil-gas separation method, characterized by comprising the steps of:

s1: compressing gas by an air compressor, conveying the compressed gas with oil to a filter body through an oil-gas pipe, preliminarily separating oil gas by the filter body through centrifugal force, conveying the separated product A gas to a first filtering module through a first pumping cylinder, and conveying the separated product B oil to a filtering chamber of a second filtering module through a second pumping cylinder;

s2: a motor on the first filtering module drives a rotating rod to complete rotation, the rotating rod drives the oleophylic sponge to synchronously rotate, and residual oil in the product A gas is adsorbed to obtain a product c gas;

s3: starting a fourth pumping cylinder, and pumping the product c gas to external use equipment;

s4: closing the fourth pumping cylinder, opening a sealing rubber plug on the first filtering module, penetrating a through hole covered by the sealing rubber plug by using an extrusion rod, abutting against one side surface of the first extrusion block, and then pushing the first extrusion block to one side close to the motor, so that the oleophilic sponge and the reset spring are compressed simultaneously to obtain a product D oil;

s5: starting a third pumping cylinder to pump the product D oil into a filtering chamber of the second filtering module;

s6: when the product B oil and the product D oil reach a certain height in the filtering type, the product B oil and the product D oil flow to the oil storage chamber through the filter screen to obtain a product F oil;

s7: the fifth pumping cylinder is activated and product F is pumped to the outside user.

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