CN111249772B - Vacuum pump system with oil-water separation function - Google Patents
Vacuum pump system with oil-water separation function Download PDFInfo
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- CN111249772B CN111249772B CN202010132271.8A CN202010132271A CN111249772B CN 111249772 B CN111249772 B CN 111249772B CN 202010132271 A CN202010132271 A CN 202010132271A CN 111249772 B CN111249772 B CN 111249772B
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- oil tank
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- gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0092—Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—Lubricant separation
Abstract
The invention relates to a vacuum pump system with an oil-water separation function, which comprises a box body, an oil supply tank and a pump assembly, wherein a first oil tank is arranged above the box body; the oil-gas separator also comprises a second oil tank communicated with the gas outlet a of the first oil tank, a secondary separation mechanism is arranged in the second oil tank, a discharge port and a gas inlet are respectively arranged on the wall of the second oil tank, the secondary separation mechanism comprises a rotating shaft and separation plate assemblies arranged on the rotating shaft, a separation space is formed between every two adjacent separation plate assemblies, an extrusion assembly is arranged between the adjacent separation plate assemblies, and oil gas entering the second oil tank from the first oil tank acts on the separation plate assemblies to drive the rotating shaft to rotate; in the process that the separation space rotates to the discharge port along with the separation plate assembly, the extrusion assembly moves along the radius direction of the rotation track to extrude the gas in the separation space out of the discharge port; the invention solves the problems that the gas exhausted by the vacuum pump pollutes the atmosphere and causes oil waste, and the existing separation device has complex structure, high cost and poor separation effect and can not realize the recycling of purer oil.
Description
Technical Field
The invention relates to the technical field of vacuum pumps, in particular to a vacuum pump system with an oil-water separation function.
Background
Vacuum oil in the vacuum pump is used for lubricating and sealing moving parts in the pump and opening an exhaust valve, and the quality of the vacuum oil has a direct relation with the performance and the reliability of the slide valve vacuum pump; in the production practice, oil is degraded, mainly represented by emulsification of oil and water and high dust in the oil, after the vacuum pump operates for a period of time, because a large amount of water vapor, dust, fine particle dirt and the like exist in the pumped air, one part of the pollutants with lighter specific gravity is discharged out of the room along with air through the exhaust pipe, and the other part of the pollutants with heavier specific gravity is retained on the inner walls of the oil tank and the exhaust pipe or mixed in the vacuum oil.
The patent of the invention is CN102297134B, which discloses a water and dirt processing device of a slide valve vacuum pump, the slide valve vacuum pump comprises a pump component and an oil pool box for vacuum air extraction, an oil-gas discharge port of the pump component is communicated with the oil pool box, an oil-gas separator is arranged above the oil-gas discharge port, the water and dirt processing device comprises a closed auxiliary oil tank communicated with an exhaust port of the oil pool box, a secondary oil-gas separation mechanism is arranged in the auxiliary oil tank, a pump oil inlet pipeline communicated with an oil inlet of the pump component and a pump oil return pipeline communicated with the oil pool box are arranged on the auxiliary oil tank, and an oil discharge valve is arranged at the bottom of the auxiliary oil tank.
However, in the actual use process, the inventor invents the following technical problems: the oil-gas separation structure is complex, the separation effect is not good, and the effective settling separation of oil, water and impurities cannot be ensured in the separation process.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a vacuum pump system with an oil-water separation function, wherein a secondary separation mechanism is arranged, so that gas exhausted by a vacuum pump can be sufficiently cooled and separated, a small amount of oil, water and impurities contained in the exhausted gas are separated, and the problems that the gas exhausted by the vacuum pump pollutes the atmosphere and causes oil waste, and the existing separation device is complex in structure, high in cost, poor in separation effect and incapable of realizing the recycling of pure oil are solved.
Aiming at the technical problems, the technical scheme is as follows:
a vacuum pump system with an oil-water separation function comprises a box body, an oil supply tank and a pump assembly, wherein the oil supply tank is arranged in the box body, the pump assembly is used for vacuum air extraction, and a first oil tank communicated with an oil-gas discharge port a of the pump assembly is arranged above the box body; the oil gas entering the second oil tank from the first oil tank through the air outlet a and the air inlet acts on the separation plate assembly positioned below the air inlet to drive the rotating shaft to rotate so as to drive each separation plate assembly to rotate together;
in the process that the separation space rotates to the discharge port along with the separation plate assembly, the extrusion assembly moves along the radius direction of the rotation track of the separation space to extrude the gas after the oil-gas secondary separation in the separation space from the discharge port.
Preferably, the separation plate assembly comprises a plate body detachably arranged on the rotating shaft, and a main inlet channel, a cooling channel communicated with the main inlet channel and a main outlet channel communicated with the tail end of the cooling channel are formed in the plate body;
the one end of pivot has been seted up the intake antrum, a plurality of inlet flow channels that run through the pivot outer wall are seted up along the circumferencial direction in the position department that the intake antrum is close to the bottom, inlet flow channel and main inlet flow channel intercommunication, the basin has been seted up to the other end of pivot, a plurality of outlet flow channels that run through the pivot outer wall are seted up along the circumferencial direction in the position department that the basin is close to the bottom, outlet flow channel and main outlet flow channel intercommunication.
Preferably, the extrusion assembly comprises a sliding plate a, a sliding plate b in sliding fit with the sliding plate a, and a sliding plate c in sliding fit with the sliding plate b, wherein one side of the sliding plate a is in sliding fit with the surface of the plate body, and the sliding plate c is in sliding fit with the surface of the adjacent other plate body;
a guide track groove is formed in the side wall of the second oil tank, a guide wheel is rotatably arranged on the side edge of the sliding plate a, and the guide wheel slides along the guide track groove.
Preferably, a T-shaped groove is formed in the surface of the plate body, and T-shaped blocks in sliding fit with the T-shaped groove are arranged on the side edges of the sliding plate a and the sliding plate c;
the sliding plate comprises a sliding plate a, a sliding plate c and a sliding plate c, and is characterized in that a guide rod a is arranged on the sliding plate a, a guide groove and a guide rod a are formed in the sliding plate b in sliding fit, a guide rod b is arranged on the sliding plate b, a guide groove and a guide rod b are formed in the sliding plate c in sliding fit, a limiting groove a is formed in the bottom surface of the sliding plate b, a limiting block a which slides along the limiting groove a is arranged on the surface of the sliding plate a corresponding to the limiting groove a, a limiting groove b is formed in the bottom surface of the sliding plate c, and a limiting block b which slides along the limiting groove b is arranged on the surface of the sliding plate b corresponding to the limiting groove b.
Preferably, the bottom of the second oil tank is further provided with an oil discharge assembly, oil condensed in the second oil tank is collected to the oil discharge assembly, and the oil discharge assembly is controlled to be opened or closed by buoyancy generated by liquid.
Preferably, the bottom of the second oil tank is provided with an arc-shaped groove portion, an oil outlet is formed in the middle bottom of the arc-shaped groove portion, the oil discharge assembly comprises a buoyancy ball matched with the upper port of the oil outlet in shape, a limiting rod with one end fixedly connected with the buoyancy ball and the other end penetrating through the oil outlet, the diameter of the limiting rod is smaller than that of the oil outlet, an oil guide pipe extends outwards from the lower port of the oil outlet, and the oil guide pipe is communicated with the auxiliary oil tank at the bottom.
Preferably, the air inlet of the second oil tank is provided with a guide plate, the guide plate is rotatably arranged on the inner wall of the second oil tank, and the air inlet is provided with a yielding groove for yielding the guide plate.
Preferably, the guide track groove comprises a folding section and an outward-expanding section, the front inner side wall and the rear inner side wall of the second oil tank are provided with guide track grooves, and the front guide track groove and the rear guide track groove are symmetrically arranged.
Preferably, a primary oil-gas separator is arranged above the oil-gas discharge port a, a first inclined plate is arranged at the lower right corner of the first oil tank, and a second inclined plate is arranged at the position close to the air outlet a at the upper left side of the first oil tank.
Preferably, the auxiliary oil tank and the oil supply tank are communicated through a pipeline, a filter is arranged in the pipeline, and the joint of the pipeline and the auxiliary oil tank is located at the upper position of the auxiliary oil tank.
Preferably, the two ends of the rotating shaft are respectively communicated with the water inlet pipe and the water outlet pipe, the water inlet pipe and the water outlet pipe are rotatably connected with the rotating shaft through connecting sleeves, and the connecting sleeves are limited and fixed on the front outer wall and the rear outer wall of the second oil tank.
The invention has the beneficial effects that:
1. according to the invention, the gas discharged by the vacuum pump can be sufficiently cooled and separated by the aid of the secondary separation mechanism, and a small amount of oil contained in the discharged gas can be separated by the secondary separation mechanism, so that pollution to the air caused by oil gas discharge is avoided, the separated oil can be reused, and the cost is reduced; in addition, water and impurities contained in the exhaust gas can be separated out together in the separation process, and then the oil, the water and the impurities are separated by utilizing the principle of automatic layering of different oil-water densities.
2. According to the invention, the secondary separation mechanism is composed of a plurality of rotatable plate bodies, the cooling flow channels are arranged in the plate bodies, oil gas discharged into the second oil tank is automatically distributed into each separation space, rapid condensation can be realized under the cooling action of the two plate bodies, each plate body is driven to rotate by the impact force of the discharged oil gas, no additional power is needed, the structure is simple, the cost is low, and the oil gas can be ensured to stay in the second oil tank for enough time to finish the condensation and precipitation of oil liquid, water and sundries.
3. According to the invention, the extrusion component is arranged at the secondary separation mechanism, and the extrusion component is arranged to realize the folding and unfolding actions under the guiding action of the guide track groove along with the rotation of the secondary separation mechanism, so that on one hand, the structure is simple, the operation is stable, and on the other hand, when the separation space is about to rotate to the discharge port, the gas for completing the secondary separation of oil and gas in the separation space can be extruded out from the discharge port through the outward opening action of the separation space, and the structure improves the discharge efficiency of the gas for completing the condensation and plays an auxiliary role in the condensation of the gas.
To sum up, the device has simple structure, and is with low costs, and separation effect is good, advantage such as operating stability is good, is particularly useful for vacuum pump technical field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a vacuum pump system with oil-water separation;
FIG. 2 is a schematic view of the internal structure of a second fuel tank;
FIG. 3 is a schematic structural view of a two-stage separation mechanism;
FIG. 4 is a schematic view of the extrusion assembly and the separator plate assembly;
FIG. 5 is a schematic structural view of the slide plate a;
FIG. 6 is a schematic view of the fitting relationship between the slide plate b and the slide plate c;
fig. 7 is a schematic view of the internal structure of the plate body;
FIG. 8 is a schematic view of the oil drain assembly;
FIG. 9 is a schematic structural view of a guide track groove;
fig. 10 is a side view of the second oil tank.
Detailed Description
The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.
Example one
As shown in fig. 1 to 10, a vacuum pump system with an oil-water separation function comprises a tank body 1, an oil supply tank 2 arranged in the tank body 1, and a pump assembly 3 for vacuum pumping, wherein a first oil tank 4 communicated with an oil-gas discharge port 3a of the pump assembly 3 is arranged above the tank body 1; the oil-gas separator further comprises a second oil tank 5 communicated with the gas outlet 4a of the first oil tank 4, a second-stage separation mechanism 6 is arranged in the second oil tank 5, the second oil tank 5 is cylindrical, a discharge port 51 and a gas inlet 52 are respectively formed in the barrel wall on two sides of the central axis of the second oil tank 5, the second-stage separation mechanism 6 comprises a rotating shaft 61 and a plurality of separation plate assemblies 62 arranged on the rotating shaft 61, a separation space 10 is formed between every two adjacent separation plate assemblies 62, an extrusion assembly 63 is arranged between the two separation plate assemblies, and oil gas entering the second oil tank 5 from the first oil tank 4 through the gas outlet 4a and the gas inlet 52 acts on the separation plate assemblies 62 positioned below the gas inlet 52 to drive the rotating shaft 61 to rotate so as to drive the separation plate assemblies 62 to rotate together;
in the process that the separation space 10 rotates to the discharge port 51 along with the separation plate assembly 62, the extrusion assembly 63 moves along the radial direction of the rotation track of the separation space 10 to extrude the gas after the secondary oil-gas separation in the separation space 10 out of the discharge port 51.
It is worth mentioning that the gas discharged by the vacuum pump can be sufficiently cooled and separated by arranging the secondary separation mechanism, and a small amount of oil liquid contained in the discharged gas can be separated by the secondary separation mechanism, so that the pollution of the oil gas discharged to the air is avoided, the separated oil liquid can be reused, and the cost is reduced; in addition, water and impurities contained in the exhaust gas can be separated out together in the separation process, and then the oil, the water and the impurities are separated by utilizing the principle of automatic layering of different oil-water densities.
Further, the separation plate assembly 62 includes a plate body 621 detachably disposed on the rotating shaft 61, and a main inlet channel 622, a cooling channel 623 communicating with the main inlet channel 622, and a main outlet channel 624 communicating with the tail end of the cooling channel 623 are formed in the plate body 621;
a water inlet channel 611 is formed at one end of the rotating shaft 61, a plurality of water inlet channels 612 penetrating through the outer wall of the rotating shaft 61 are formed at the position of the water inlet channel 611 close to the bottom along the circumferential direction, the water inlet channels 612 are communicated with the main water inlet channel 622, a water outlet channel 613 is formed at the other end of the rotating shaft 61, a plurality of water outlet channels 614 penetrating through the outer wall of the rotating shaft 61 are formed at the position of the water outlet channel 613 close to the bottom along the circumferential direction, and the water outlet channels 614 are communicated with the main water outlet channel 624.
Here, constitute by a plurality of rotatable plate bodies through setting up second grade separating mechanism, and set up the cooling runner in the plate body, the oil gas of discharging into second oil tank 5 is by automatic distribution to each separation space 10 in, can realize condensing fast under the cooling action of two panel bodies, and each plate body rotates under the impact force drive with the help of the oil gas of discharging, need not extra power, and simple structure is with low costs, and can guarantee that oil gas stays sufficient time in second oil tank 5 and accomplish the condensation of fluid and water and debris and deposit.
Further, the extrusion assembly 63 includes a sliding plate a631, a sliding plate b632 slidably engaged with the sliding plate a631, and a sliding plate c633 slidably engaged with the sliding plate b632, wherein one side of the sliding plate a631 is slidably engaged with a surface of the plate 621, and the sliding plate c633 is slidably engaged with a surface of another adjacent plate 621;
a guide track groove 53 is formed in a side wall of the second oil tank 5, a guide wheel 634 is rotatably disposed at a side edge of the sliding plate a631, and the guide wheel 634 slides along the guide track groove 53.
Further, a T-shaped groove 6211 is formed in the surface of the plate 621, and T-shaped blocks 6311 slidably engaged with the T-shaped groove 6211 are disposed on the side edges of the sliding plate a631 and the sliding plate c 633;
the sliding plate a631 is provided with a guide rod a635, the sliding plate b632 is provided with a guide groove in sliding fit with the guide rod a635, the sliding plate b632 is provided with a guide rod b636, the sliding plate c633 is provided with a guide groove in sliding fit with the guide rod b636, the bottom surface of the sliding plate b632 is provided with a limiting groove a6321, the surface of the sliding plate a631 is provided with a limiting block a6312 sliding along the limiting groove a6321, the bottom surface of the sliding plate c633 is provided with a limiting groove b6331, and the surface of the sliding plate b632 corresponding to the limiting groove b6322 sliding along the limiting groove b6331 is provided with a limiting block b 6322.
Here, through set up extrusion subassembly 63 in second grade separating mechanism department to the setting is extruded subassembly 63 and is realized receiving and releasing the action under the guide effect of guide track groove along with second grade separating mechanism's rotation, on the one hand its simple structure, the operation is stable, on the other hand makes separation space 10 can extrude the gas that accomplishes oil gas second grade separation in separation space 10 by discharge port 51 through its outwards open action when will rotating discharge port 51, this structure has improved the exhaust efficiency who accomplishes the condensation gas, and plays the additional action to the condensation of gas.
Further, a guide plate 55 is arranged at the air inlet 52 of the second oil tank 5, the guide plate 55 is rotatably arranged on the inner wall of the second oil tank 5, and an abdicating groove 56 for abdicating the guide plate 55 is formed at the air inlet 52;
the oil gas entering the second oil tank is made to fully act on the end position of the plate body by arranging the guide plate 55, so that the rotating efficiency of the oil gas is improved.
Further, the guiding track groove 53 includes a furling section 100 and an expanding section 200, the guiding track grooves 53 are formed on the front and rear inner side walls of the second oil tank 5, and the front and rear guiding track grooves 53 are symmetrically arranged.
Further, a primary oil-gas separator 8 is arranged above the oil-gas discharge port 3a, a first inclined plate 41 is arranged at the lower right corner of the first oil tank 4, and a second inclined plate 42 is arranged at the position close to the gas outlet 4a at the upper left side of the first oil tank;
it should be noted that the primary oil-gas separator 8 performs primary separation on the gas discharged from the pump assembly, and a detailed description of the structure thereof is omitted here as a prior art.
Further, the auxiliary oil tank 74 and the oil supply tank 2 are communicated with each other through a pipe 9, a filter 91 is provided in the pipe 9, and a joint between the pipe 9 and the auxiliary oil tank 74 is located at an upper position of the auxiliary oil tank 74.
Furthermore, two ends of the rotating shaft 61 are respectively communicated with the water inlet pipe 20 and the water outlet pipe 30, the water inlet pipe 20 and the water outlet pipe 30 are rotatably connected with the rotating shaft 61 through the connecting sleeve 40, and the connecting sleeve 40 is limited and fixed on the front outer wall and the rear outer wall of the second oil tank 5.
Example two
As shown in fig. 8, in which the same or corresponding components as those in the first embodiment are denoted by the same reference numerals as those in the first embodiment, only the points of difference from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment in that: further, the bottom of the second oil tank 5 is also provided with an oil discharge assembly 7, oil condensed in the second oil tank 5 is collected to the oil discharge assembly 7, and the oil discharge assembly 7 is controlled to be opened or closed by buoyancy generated by liquid.
Further, an arc-shaped groove portion 54 is arranged at the bottom of the second oil tank 5, an oil outlet 541 is formed in the middle bottom of the arc-shaped groove portion 54, the oil discharge assembly 7 includes a buoyancy ball 71 matched with the upper port of the oil outlet 541 in shape, a limit rod 72 with one end fixedly connected with the buoyancy ball 71 and the other end penetrating through the oil outlet 541, the diameter of the limit rod 72 is smaller than that of the oil outlet 541, an oil guide pipe 73 extends outwards from the lower port of the oil outlet 541, and the oil guide pipe 73 is communicated with an auxiliary oil tank 74 at the bottom.
In this embodiment, make only the fluid of the condensation in second oil tank 5 through setting up oil extraction subassembly 7, water and debris just can make oil-out 541 open through buoyancy when reaching a certain amount, make it flow to the auxiliary fuel tank of below, the benefit of this kind of setting lies in, fluid in the auxiliary fuel tank has been avoided, water and debris are in the state of moving always, the liquid of condensation lasts the whereabouts and can cause stirring, influence fluid in the auxiliary fuel tank, the deposit layering of water and debris, fluid in the auxiliary fuel tank can be given in the dropping of discontinuity, water and the abundant time of debris subside, improve the purity of the fluid of retrieving to oil feed tank 2 through pipeline 9, and the water and debris that subside in the below can be discharged through the blow off pipe that sets up at the auxiliary fuel tank by the bottom position.
The working process is as follows:
gas exhausted by the pump assembly enters the first oil tank 4 through the oil-gas exhaust port 3a, primary separation is completed under the action of the primary oil-gas separator 8, then the gas enters the second oil tank 5 through the gas outlet 4a and the gas inlet 52, and the gas acts on the end part of the plate body 621 and drives the rotating shaft 61 to rotate, so that the separation plate assembly 62 and the extrusion assembly 63 are driven to rotate;
in the process, the cooling liquid enters the cooling flow channel 623 through the water inlet groove 611, the water inlet flow channel 612 and the main flow channel 622 to cool the plate body so as to cool and condense the gas, the condensed oil, water and impurities fall to the arc-shaped groove part 54 along the gravity, the extrusion assembly 63 moves along the guide track groove 53 in the rotating process, the sliding plate a631, the sliding plate b632 and the sliding plate c633 slide and open under the action of the guide track groove 53 and move outwards along the radius direction of the circumferential track to extrude the gas in the separation space 10 before the separation space 10 rotates to the discharge port 51, and the gas is extruded from the discharge port 51 when the separation space 10 is communicated with the discharge port 51;
when the oil, water and sundries in the arc-shaped groove part 54 reach a certain amount, the buoyancy ball 71 rises along with the buoyancy, the oil, water and sundries fall into the auxiliary oil tank 74 from the oil outlet 541, the oil, water and sundries settle in the auxiliary oil tank 74, the oil on the upper layer flows back to the oil supply tank 2 through the pipeline 9, and the water and the sundries can be discharged through the drain pipe at the bottom.
In the description of the present invention, it is to be understood that the terms "front-back", "left-right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention.
Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art in light of the technical teaching of the present invention should be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A vacuum pump system with an oil-water separation function comprises a box body (1), an oil supply tank (2) arranged in the box body (1) and a pump assembly (3) used for vacuum air extraction, wherein a first oil tank (4) communicated with an oil-gas discharge port (3a) of the pump assembly (3) is arranged above the box body (1); it is characterized by also comprising a second oil tank (5) communicated with the air outlet (4a) of the first oil tank (4), a secondary separation mechanism (6) is arranged in the second oil tank (5), the second oil tank (5) is cylindrical, the two sides of the central axis are respectively provided with a discharge port (51) and an air inlet (52) on the barrel wall, the two-stage separation mechanism (6) comprises a rotating shaft (61) and a plurality of separation plate assemblies (62) arranged on the rotating shaft (61), a separation space (10) is formed between every two adjacent separation plate assemblies (62), an extrusion assembly (63) is arranged between the two separation plate assemblies, and oil gas entering the second oil tank (5) from the first oil tank (4) through the air outlet (4a) and the air inlet (52) acts on the separation plate assemblies (62) positioned below the air inlet (52) to drive the rotating shaft (61) to rotate so as to drive the separation plate assemblies (62) to rotate together;
in the process that the separation space (10) rotates to the discharge port (51) along with the separation plate assembly (62), the extrusion assembly (63) moves along the radius direction of the rotation track of the separation space (10) to extrude the gas after oil-gas secondary separation in the separation space (10) from the discharge port (51);
the separating plate component (62) comprises a plate body (621) detachably arranged on the rotating shaft (61), and a main inlet channel (622), a cooling channel (623) communicated with the main inlet channel (622) and a main outlet channel (624) communicated with the tail end of the cooling channel (623) are formed in the plate body (621);
a water inlet channel (611) is formed in one end of the rotating shaft (61), a plurality of water inlet channels (612) penetrating through the outer wall of the rotating shaft (61) are formed in the position, close to the bottom, of the water inlet channel (611) along the circumferential direction, the water inlet channels (612) are communicated with the main water inlet channel (622), a water outlet channel (613) is formed in the other end of the rotating shaft (61), a plurality of water outlet channels (614) penetrating through the outer wall of the rotating shaft (61) are formed in the position, close to the bottom, of the water outlet channel (613) along the circumferential direction, and the water outlet channels (614) are communicated with the main water outlet channel (624);
the extrusion assembly (63) comprises a sliding plate a (631), a sliding plate b (632) in sliding fit with the sliding plate a (631), and a sliding plate c (633) in sliding fit with the sliding plate b (632), wherein one side of the sliding plate a (631) is in sliding fit with the surface of one plate body (621), and the sliding plate c (633) is in sliding fit with the surface of the other adjacent plate body (621);
a guide track groove (53) is formed in the side wall of the second oil tank (5), a guide wheel (634) is rotatably arranged on the side edge of the sliding plate a (631), and the guide wheel (634) slides along the guide track groove (53);
the surface of the plate body (621) is provided with a T-shaped groove (6211), and the side edges of the sliding plate a (631) and the sliding plate c (633) are provided with T-shaped blocks (6311) in sliding fit with the T-shaped groove (6211);
be provided with guide arm a (635) on slide a (631), set up guide slot and guide arm a (635) sliding fit on slide b (632), be provided with guide arm b (636) on slide b (632), set up guide slot and guide arm b (636) sliding fit on slide c (633), spacing groove a (6321) has been seted up on the bottom surface of slide b (632), corresponds with it the surface of slide a (631) is provided with along the gliding stopper a (6312) of spacing groove a (6321), spacing groove b (6331) has been seted up on the bottom surface of slide c (633), corresponds with it be provided with along the gliding stopper b (6322) of spacing groove b (6331) on the surface of slide b (632).
2. The vacuum pump system with the oil-water separation function according to claim 1, wherein the bottom of the second oil tank (5) is further provided with an oil discharge assembly (7), oil condensed in the second oil tank (5) is collected to the oil discharge assembly (7), and the oil discharge assembly (7) is controlled to be opened or closed by buoyancy generated by liquid.
3. The vacuum pump system with the oil-water separation function according to claim 2, wherein an arc-shaped groove portion (54) is formed in the bottom of the second oil tank (5), an oil outlet (541) is formed in the middle bottom of the arc-shaped groove portion (54), the oil discharge assembly (7) comprises a buoyancy ball (71) matched with the upper port of the oil outlet (541) in shape, a limit rod (72) with one end fixedly connected with the buoyancy ball (71) and the other end penetrating through the oil outlet (541), the diameter of the limit rod (72) is smaller than that of the oil outlet (541), an oil guide pipe (73) extends outwards from the lower port of the oil outlet (541), and the oil guide pipe (73) is communicated with the auxiliary oil tank (74) at the bottom.
4. The vacuum pump system with the oil-water separation function according to claim 3, wherein the guide plate (55) is located at the air inlet (52) of the second oil tank (5), the guide plate (55) is rotatably disposed on the inner wall of the second oil tank (5), and the air inlet (52) is provided with a yielding groove (56) yielding to the guide plate (55).
5. The vacuum pump system with the oil-water separation function according to claim 1, wherein the guide track groove (53) comprises a closed section (100) and an expanded section (200), the front inner side wall and the rear inner side wall of the second oil tank (5) are both provided with guide track grooves (53), and the front guide track groove and the rear guide track groove (53) are symmetrically arranged.
6. The vacuum pump system with oil-water separation function according to claim 1, wherein a primary oil-gas separator (8) is disposed above the oil-gas discharge port (3a), a first inclined plate (41) is disposed at a lower right corner of the first oil tank (4), and a second inclined plate (42) is disposed at an upper left corner of the first oil tank near the gas outlet (4 a).
7. The vacuum pump system with the oil-water separation function according to claim 3, wherein the auxiliary oil tank (74) and the oil supply tank (2) are communicated through a pipeline (9), a filter (91) is arranged in the pipeline (9), and the joint of the pipeline (9) and the auxiliary oil tank (74) is positioned at an upper position of the auxiliary oil tank (74).
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Effective date of registration: 20211129 Address after: 265500 No. 109, Hongfu street, Fushan high tech Industrial Zone, Yantai City, Shandong Province Applicant after: YANTAI VOLM VACUUM TECHNOLOGY Co.,Ltd. Address before: 313100 No. 27, Tangbian natural village, Litang village, Hongxingqiao Town, Changxing County, Huzhou City, Zhejiang Province Applicant before: Wei Jiubao |
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Denomination of invention: A Vacuum Pump System with Oil Water Separation Function Effective date of registration: 20230807 Granted publication date: 20211214 Pledgee: China Postal Savings Bank Corporation Yantai Fushan District sub branch Pledgor: YANTAI VOLM VACUUM TECHNOLOGY Co.,Ltd. Registration number: Y2023980051033 |
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