CN218853813U - Gas-liquid separation device and magnetic suspension vacuum pump - Google Patents

Abstract

The disclosure relates to a gas-liquid separation device and a magnetic suspension vacuum pump, belonging to the technical field of gas-liquid separation, wherein the gas-liquid separation device comprises a tank body, and a gas inlet and a gas outlet are arranged on the tank body; the tank body comprises a first connecting part and a second connecting part along the height direction of the tank body, the first connecting part and the second connecting part are spliced to form the tank body, and the air inlet and the air outlet are both arranged on the first connecting part; the first filtering structure is arranged in the tank body and is used for filtering gas entering the tank body from the gas inlet; along the flow direction of gas, the second filtration sets up in the downstream side of first filtration for filter the gas that flows by first filtration, the gas after the second filtration filters flows out a jar body by the gas outlet. The gas-liquid separation device adopts two-stage filtration, reduces the water content in gas, and improves the efficiency of filtering impurities and water in the gas. Meanwhile, the gas-liquid separation device adopts a split type design, and is small in size, simple in structure and convenient to maintain.

Description

Gas-liquid separation device and magnetic suspension vacuum pump

Technical Field

The disclosure relates to the technical field of gas-liquid separation, in particular to a gas-liquid separation device and a magnetic suspension vacuum pump.

Background

In the related art, the gas-liquid separation device applied to the front of the vacuum pump is only one-stage filtration, and the separation degree of impurities and moisture in gas is not high, so that the requirements in actual production are difficult to meet. Meanwhile, the existing gas-liquid separation device is large in size, complex in structure and inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art, the present disclosure provides a gas-liquid separation device and a magnetic suspension vacuum pump.

The present disclosure in a first aspect provides a gas-liquid separation apparatus, comprising:

the tank body is provided with an air inlet and an air outlet; the tank body comprises a first connecting part and a second connecting part along the height direction of the tank body, the first connecting part and the second connecting part are spliced to form the tank body, and the air inlet and the air outlet are both arranged on the first connecting part;

the first filtering structure is arranged in the tank body and is used for filtering gas entering the tank body from the gas inlet;

a second filter structure disposed in the tank body, the second filter structure being disposed on a downstream side of the first filter structure in a flow direction of the gas; the second filtering structure is used for filtering the gas flowing out from the first filtering structure, and the gas filtered by the second filtering structure flows out from the tank body through the gas outlet.

In some embodiments of the present disclosure, the first filtering structure includes a plurality of filter elements, the plurality of filter elements are disposed in the tank body in parallel, and the gas entering the tank body from the gas inlet enters the plurality of filter elements and flows along the length direction of each filter element.

In some embodiments of the present disclosure, the second filtering structure includes a plurality of filtering nets, the filtering nets are disposed at the air outlet ends of the plurality of filtering cores, and the air discharged from the air outlet end of each filtering core enters the filtering net and is discharged from the air outlet after being filtered by the filtering nets.

In some embodiments of the present disclosure, along the height direction of the tank body, the tank body includes a top portion and a bottom portion, the top portion is located at the first connection portion, and the bottom portion is located at the second connection portion;

a partition plate is arranged in the tank body and comprises a first partition plate, a second partition plate and a connecting plate, the first partition plate is positioned between the air outlet and the bottom, the second partition plate is positioned on one side, close to the air inlet, of the first partition plate, the second partition plate is positioned between the air inlet and the top, and one side, far away from the air inlet, of the first partition plate is connected with one side, close to the air inlet, of the second partition plate through the connecting plate;

many the filter core set up in being close to of first baffle one side of bottom, the position that the end of giving vent to anger of first baffle and many filter cores corresponds sets up the through-hole, the filter screen set up in being close to of first baffle one side at top.

In some embodiments of the present disclosure, the partition plate is further provided with a diversion port, and the diversion port is arranged close to the inner wall of the tank body.

In some embodiments of the present disclosure, a water outlet is disposed at the bottom, and a water discharge pipe is connected to the water outlet, and a drainage pump is disposed on the water discharge pipe.

In some embodiments of the present disclosure, the gas-liquid separation device comprises a liquid level sight tube; the liquid level observation tube comprises a first tube opening and a second tube opening along the length direction of the liquid level observation tube, the first tube opening is communicated with the bottom, and the second tube opening is communicated with the side wall of the tank body; the liquid level observation tube is a transparent tube.

In some embodiments of the present disclosure, a first liquid level sensor, a second liquid level sensor and a third liquid level sensor are disposed on the liquid level observation pipe; the first liquid level sensor is arranged at the first pipe orifice, the third liquid level sensor is arranged at the second pipe orifice, and the second liquid level sensor is positioned between the first liquid level sensor and the third liquid level sensor.

In some embodiments of the present disclosure, the top is provided with a suspension member for suspension mounting of the tank.

The second aspect of the present disclosure provides a magnetic suspension vacuum pump, which includes a vacuum pump body and the gas-liquid separation device provided in the first aspect of the present disclosure, wherein the gas-liquid separation device is connected to the vacuum pump body.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: the gas-liquid separation device adopts two-stage filtration, greatly reduces the water content in gas, and improves the efficiency of filtering impurities and water in the gas. Meanwhile, the gas-liquid separation device adopts a split type design, and is small in size, simple in structure and convenient to maintain.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic illustration of a gas-liquid separation device shown according to an exemplary embodiment of the present disclosure.

Fig. 2 is a schematic view of the internal structure of a gas-liquid separation device according to an exemplary embodiment of the present disclosure.

FIG. 3 is a cross-sectional view of a gas-liquid separation device shown at a first filter configuration location according to an exemplary embodiment.

FIG. 4 is a cross-sectional view of a gas-liquid separation device shown at a first baffle location according to an exemplary embodiment.

Wherein: 1-tank body; 101-a first connection; 1011-top; 102-a second connection portion; 1021-bottom; 2-sealing the flange; 3, draining the pump; 5, a drain pipe; 6-liquid level observation tube; 7-a first level sensor; 8-a second liquid level sensor; 9-a third level sensor; 10-an air inlet; 11-a separator; 1101-a first separator; 1102 — a second separator; 1103-connecting plate; 12-a second filter structure; 13-air outlet; 14-a filter element sealing gasket; 15-a first filtering structure; 16-a flow guide port; 1104-a via; 17-a suspension member.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

In the related technology, the gas-liquid separation device applied to the front-end of the vacuum pump is only one-stage filtration, and the separation degree of impurities and moisture in gas is not high, so that the requirements in actual production are difficult to meet. Meanwhile, the existing gas-liquid separation device is large in size, complex in structure and inconvenient to maintain.

In order to solve the above technical problems, the present embodiment provides a gas-liquid separation device, including a tank body, where the tank body includes a first connection portion and a second connection portion, the first connection portion and the second connection portion are spliced to form the tank body, and a gas inlet and a gas outlet are both arranged on the first connection portion; a first filtering structure and a second filtering structure are arranged in the tank body, and the first filtering structure is used for filtering gas entering the tank body from the gas inlet; the second filter structure is arranged at the downstream side of the first filter structure along the flowing direction of the gas; the second filtering structure is used for filtering the gas flowing out from the first filtering structure, and the gas filtered by the second filtering structure flows out of the tank body from the gas outlet. The gas-liquid separation device adopts two-stage filtration, greatly reduces the water content in gas, and improves the efficiency of filtering impurities and water in the gas. Meanwhile, the gas-liquid separation device adopts a split type design, and is small in size, simple in structure and convenient to maintain.

Technical solutions of the embodiments of the present disclosure are described in detail below with reference to the drawings, and the following embodiments and implementations may be combined with each other without conflict.

According to an exemplary embodiment of the present disclosure, as shown in fig. 1 to 4, the present embodiment proposes a gas-liquid separation device, which is applied to a vacuum pump, such as a magnetic levitation vacuum pump. The gas-liquid separation device of this embodiment includes jar body 1, sets up air inlet 10 and gas outlet 13 on jar body 1, and air inlet 10 is used for gas admission jar body 1 in, and gas outlet 13 is used for jar gas outgoing jar body 1 in 1. Along the direction of height of jar body 1, jar body 1 includes first connecting portion 101 and second connecting portion 102, and first connecting portion 101 and the concatenation of second connecting portion 102 form jar body 1, and first connecting portion 101 and second connecting portion 102 pass through sealing flange 2 and connect, and sealed effect is better. The jar body 1 of this embodiment adopts split type design, small in size, and simple structure is convenient for maintain jar internal structure of body 1. The positions where the air inlet 10 and the air outlet 13 are provided on the can body 1 are not limited, and in an example, the air inlet 10 and the air outlet 13 are respectively located on the first connecting portion 101 or the second connecting portion 102. In another example, referring to fig. 2, both the air inlet 10 and the air outlet 13 are located on the first connection portion 101.

As shown in fig. 2, the gas-liquid separation device of the present embodiment includes a first filter structure 15, and the first filter structure 15 is disposed in the tank 1, for example, the first filter structure 15 is located between a first connection portion 101 and a second connection portion 102 in the tank 1. The first filtering structure 15 is used for filtering the gas entering the tank body 1 from the gas inlet 10, and performing first filtering on the gas entering the tank body 1. The gas-liquid separation device further includes a second filter device provided in the tank body 1, and a second filter structure 12 is provided on the downstream side of the first filter structure 15 in the gas flow direction, for example, the second filter structure 12 is provided in the first connection portion 101. The second filter structure 12 is used for filtering the gas flowing out from the first filter structure 15, and the second filter structure 12 is used for carrying out secondary filtration on the gas entering the tank body 1. The gas filtered by the second filtering structure 12 flows out of the tank body 1 through the gas outlet 13. The gas-liquid separation device of this embodiment at first filters the separation through first filtration 15 solid particle in with gas, the water content in the gas that has significantly reduced simultaneously, then carries out further filtration through second filtration 12 residual moisture in to gas, has improved the efficiency of impurity and moisture filtration in the gas greatly.

The present embodiment is not limited to the first filter structure 15 and the second filter structure 12, and in an example, referring to fig. 2, the first filter structure 15 includes a plurality of filter cartridges, which are arranged in parallel in the tank 1, for example, the plurality of filter cartridges are arranged in parallel and spaced between the first connecting portion 101 and the second connecting portion 102. The gas entering the tank body 1 from the gas inlet 10 enters a plurality of filter elements and flows along the length direction of each filter element respectively. In the present embodiment, the arrangement manner of the plurality of filter elements in the tank 1 is not limited, and for example, referring to fig. 3, the plurality of filter elements are arranged in parallel and at intervals in the same cross section in the tank 1. The filter element of the embodiment is internally provided with the filter material which can filter the solid particles entering the tank body 1.

The second filter structure 12 and the second filter structure 12 are not limited in the present embodiment, in an example, referring to fig. 2, the second filter structure 12 includes a filter net disposed at the air outlet ends of the plurality of filter elements, the second filter structure 12 may include a plurality of filter nets, the plurality of filter nets are stacked, and the filter holes of the plurality of filter nets may be the same or different, for example, the sizes of the filter holes of the plurality of filter nets decrease in sequence along the air flowing direction. The gas discharged from the gas outlet end of each filter element enters the filter screen, is filtered by the filter screen and then is discharged from the gas outlet 13. The filter screen of the present embodiment is, for example, a gas-liquid filter screen. The setting of filter screen can be to carrying out further filtration through residual moisture in the gas after the filter core filters, has improved impurity and moisture filterable efficiency in the gas.

In some embodiments, as shown in fig. 2 and 4, the partition 11 includes a first partition 1101, a second partition 1102 and a connecting plate 1103, the first partition 1101 is located between the air outlet 13 and the bottom 1021, the second partition 1102 is located on a side of the first partition 1101 close to the air inlet 10, the second partition 1102 is located between the air inlet 10 and the top 1011, a side of the first partition 1101 away from the air inlet 10 is connected to a side of the second partition 1102 close to the air inlet 10 through the connecting plate 1103, and an air inlet channel is formed between the air inlet 10 and the connecting partition 11. The multiple filter elements are arranged on one side of the first partition plate 1101 close to the bottom 1021, through holes 1104 are arranged at positions of the first partition plate 1101 corresponding to the air outlet ends of the multiple filter elements, the filter screen is arranged on one side of the first partition plate 1101 close to the top 1011, and a cross-sectional view of the first partition plate 1101 refers to fig. 4. A cartridge sealing gasket 14 is also provided on the side of the first partition 1101 adjacent the top 1011 to ensure sealing between the cartridge and the through-hole 1104. The air entering the tank body 1 is blocked by the connecting plate 1103 after entering the air inlet channel and can only move towards the bottom 1021, and then sequentially enters the plurality of filter elements, the filter screen and the air outlet 13. This embodiment separates a plurality of filter cores and filter screen through setting up baffle 11, simultaneously through the position design to first baffle 1101, second baffle 1102 and connecting plate 1103 to make and get into jar gas of body 1 inside by air inlet 10 and can only filter the back reentrant filter screen through many filter cores, finally discharge by gas outlet 13. The flow path of the gas introduced into the tank 1 is shown by the arrows in fig. 2.

In some embodiments, as shown in fig. 4, the baffle 11 is further provided with a diversion port 16, the diversion port 16 is arranged near the inner wall of the tank 1, and the water filtered by the second filtering structure 12 will flow along the inside of the tank 1 to the bottom 1021.

According to an exemplary embodiment of the present disclosure, as shown in fig. 1, the present embodiment provides a gas-liquid separation device, a water outlet is disposed at a bottom 1021 of the gas-liquid separation device of the present embodiment, the water outlet is connected to a drain pipe 5, a drain pump 3 is disposed on the drain pipe 5, water filtered by a first filtering structure 15 and a second filtering structure 12 is collected to the bottom 1021, when a water level in a tank 1 reaches a set water level, the drain pump 3 is started, water in the tank 1 is drained out of the tank 1 through the drain pipe 5 under the action of the drain pump 3, so that the water in the tank 1 can be drained in time, and a filtering effect of the gas-liquid separation device is ensured.

According to an exemplary embodiment of the present disclosure, as shown in fig. 1, the gas-liquid separation device of this embodiment includes a liquid level observation pipe 6, the liquid level observation pipe 6 includes a first pipe opening and a second pipe opening along a length direction thereof, the first pipe opening is communicated with the bottom 1021, the second pipe opening is communicated with a side wall of the tank body 1, and the liquid level observation pipe 6 is a transparent pipe. The height of the liquid level in the tank body 1 can be observed through the liquid level observation pipe 6 so as to determine the starting time of the drainage pump 3.

In some embodiments, as shown in fig. 1, a first liquid level sensor 7, a second liquid level sensor 8 and a third liquid level sensor 9 are disposed on the liquid level observation tube 6, the first liquid level sensor 7 is disposed at the first tube opening, the third liquid level sensor 9 is disposed at the second tube opening, and the second liquid level sensor 8 is located between the first liquid level sensor 7 and the third liquid level sensor 9. This embodiment can carry out automatic judgement to the liquid level height in the jar body 1 through setting up first level sensor 7, second level sensor 8 and third level sensor 9 to the realization is to the intelligent control of drain pump 3, for example, when the water level in the jar body 1 reachs second level sensor, the water in the jar body 1 is taken out through starting the drain pump 3 that drain pipe 5 links to each other, when the water level in the jar body 1 drops to first level sensor 7's position, drain pump 3 stop work. When the water level overflows the position of the second liquid level sensor 8 and reaches the position of the third liquid level sensor 9, the gas-liquid separation device stops working, meanwhile, the electromagnetic valve at the air inlet 10 is closed, so that moisture is prevented from being sucked into the vacuum pump to damage the device, intelligent drainage is realized, and energy consumption is reduced.

According to an exemplary embodiment of the present disclosure, as shown in fig. 1 and 2, a suspension member 17 is disposed on a top 1011 of a tank 1 of the gas-liquid separation apparatus of the present embodiment, and the suspension member 17 is used for suspension installation of the tank 1. The gas-liquid separation device of the embodiment has small volume and light weight, can adopt a suspension installation mode, and is more convenient to install.

According to an exemplary embodiment of the present disclosure, a magnetic levitation vacuum pump is provided, where the magnetic levitation vacuum pump includes a vacuum pump body and a gas-liquid separation device provided in the first aspect of the present disclosure, and the gas-liquid separation device is connected to the vacuum pump body. The gas-liquid separation device of the magnetic suspension vacuum pump adopts two-stage filtration, greatly reduces the water content in gas, and improves the efficiency of filtering impurities and water in the gas. Meanwhile, the gas-liquid separation device adopts a split type design, and is small in size, simple in structure and convenient to maintain.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (10)

1. A gas-liquid separation device, characterized by comprising:

the tank body (1) is provided with an air inlet (10) and an air outlet (13); along the height direction of the tank body (1), the tank body (1) comprises a first connecting part (101) and a second connecting part (102), the first connecting part (101) and the second connecting part (102) are spliced to form the tank body (1), and the air inlet (10) and the air outlet (13) are both arranged on the first connecting part (101);

the first filtering structure (15) is arranged in the tank body (1), and the first filtering structure (15) is used for filtering gas entering the tank body (1) from the gas inlet (10);

a second filter structure (12) arranged in the tank body (1), wherein the second filter structure (12) is arranged at the downstream side of the first filter structure (15) along the flowing direction of the gas; the second filtering structure (12) is used for filtering the gas flowing out from the first filtering structure (15), and the gas filtered by the second filtering structure (12) flows out from the tank body (1) through the gas outlet (13).

2. The gas-liquid separation device according to claim 1, wherein the first filtering structure (15) comprises a plurality of filter elements, the plurality of filter elements are arranged in the tank (1) in parallel, and the gas entering the tank (1) from the gas inlet (10) enters the plurality of filter elements and flows along the length direction of each filter element respectively.

3. The gas-liquid separation device according to claim 2, wherein the second filter structure (12) includes filter screens, the filter screens are disposed at the air outlet ends of the plurality of filter elements, the gas discharged from the air outlet end of each filter element enters the filter screens, and is discharged from the air outlet (13) after being filtered by the filter screens.

4. A gas-liquid separation device according to claim 3, wherein the tank (1) comprises a top portion (1011) and a bottom portion (1021) in a height direction of the tank (1), the top portion (1011) being located at the first connection portion (101), the bottom portion (1021) being located at the second connection portion (102);

a partition plate (11) is arranged in the tank body (1), the partition plate (11) comprises a first partition plate (1101), a second partition plate (1102) and a connecting plate (1103), the first partition plate (1101) is positioned between the air outlet (13) and the bottom (1021), the second partition plate (1102) is positioned on one side, close to the air inlet (10), of the first partition plate (1101), the second partition plate (1102) is positioned between the air inlet (10) and the top (1011), one side, far away from the air inlet (10), of the first partition plate (1101) is connected with one side, close to the air inlet (10), of the second partition plate (1102) through the connecting plate (1103);

many the filter core set up in first baffle (1101) be close to one side of bottom (1021), first baffle (1101) sets up through-hole (1104) with the position that the end corresponds of giving vent to anger of many filter cores, the filter screen set up in first baffle (1101) be close to one side of top (1011).

5. A gas-liquid separation device according to claim 4, wherein a flow guide opening (16) is further formed in the partition plate (11), and the flow guide opening (16) is arranged close to the inner wall of the tank body (1).

6. A gas-liquid separation device according to claim 4, wherein the bottom part (1021) is provided with a water outlet, a water discharge pipe (5) is connected to the water outlet, and a drain pump (3) is arranged on the water discharge pipe (5).

7. A gas-liquid separation device according to claim 4, characterized by comprising a liquid level observation pipe (6); the liquid level observation pipe (6) comprises a first pipe orifice and a second pipe orifice along the length direction of the liquid level observation pipe, the first pipe orifice is communicated with the bottom part (1021), and the second pipe orifice is communicated with the side wall of the tank body (1); the liquid level observation tube (6) is a transparent tube.

8. A gas-liquid separation device according to claim 7, wherein the liquid level observing tube (6) is provided with a first liquid level sensor (7), a second liquid level sensor (8) and a third liquid level sensor (9); first level sensor (7) set up in first mouth of pipe, third level sensor (9) set up in the second mouth of pipe, second level sensor (8) are located first level sensor (7) with between third level sensor (9).

9. A gas-liquid separation device according to claim 4 wherein the top (1011) is provided with a suspension member (17), said suspension member (17) being adapted to suspend mounting of the tank (1).

10. A magnetic levitation vacuum pump, comprising a vacuum pump body and a gas-liquid separation device according to any one of claims 1 to 9, wherein the gas-liquid separation device is connected to the vacuum pump body.

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