CN211585828U

CN211585828U - Gas-liquid separator

Info

Publication number: CN211585828U
Application number: CN201922014107.2U
Authority: CN
Inventors: 赵培林
Original assignee: Qingdao Boerda Machinery Manufacturing Co ltd
Current assignee: Qingdao Boerda Machinery Manufacturing Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-29
Anticipated expiration: 2029-11-20

Abstract

The utility model relates to a gas-liquid separator, which comprises a gas-liquid separator main body, an air inlet and an air outlet; the gas-liquid separator main body is barrel-shaped, and the gas inlet is arranged on the lower wall of the gas-liquid separator main body; the air outlet is arranged on the upper wall of the gas-liquid separator main body and is connected with the vacuum generator; the cavity of the gas-liquid separator main body is provided with a vortex generating device which enables gas and liquid entering from the gas inlet to generate vortex in the gas-liquid separator main body, and the vortex generating device is arranged above the gas inlet. The spiral fan blades are adopted to generate vortex in the vacuumizing process, and the centrifugal force is utilized to separate liquid from gas, so that the risk of blockage of a vacuum generator is reduced.

Description

Gas-liquid separator

Technical Field

The utility model relates to a vapour and liquid separator.

Background

The vacuum excrement collecting system discharges dirt in the excrement device into the dirt box by using vacuum, but the existing vacuum excrement collecting system is influenced by air flow and train movement, the dirt in the dirt box can be stabilized for a period of time in the sewage discharging process, and in order to prevent the dirt from being sucked out of the dirt box by the vacuum generator, two vacuumizing processes need to be separated for a certain time, so that passengers may need to wait in the process of using a toilet, and riding comfort and riding experience are influenced.

Disclosure of Invention

The utility model aims at solving the above problem, provide a vapour and liquid separator, it adopts spiral fan blade to produce the vortex at the evacuation in-process, utilizes centrifugal force to separate liquid and gas, reduces the risk that vacuum generator blockked up, improves system reliability, and the technical scheme of its adoption is as follows:

a gas-liquid separator is characterized by comprising a gas-liquid separator main body, a gas inlet and a gas outlet; the gas-liquid separator main body is barrel-shaped, and the gas inlet is arranged on the lower wall of the gas-liquid separator main body; the air outlet is arranged on the upper wall of the gas-liquid separator main body and is connected with the vacuum generator; the cavity of the gas-liquid separator main body is provided with a vortex generating device which enables gas and liquid entering from the gas inlet to generate vortex in the gas-liquid separator main body, and the vortex generating device is arranged above the gas inlet.

The vortex generating device is composed of a plurality of spiral separating blades which are uniformly distributed along the circumference by taking the circle center of the air inlet as the circle center.

An air inlet pipe is fixed on the air inlet and extends into the gas-liquid separator main body; the spiral separation blade is fixed at the end part of the air inlet pipe extending into the main body part of the gas-liquid separator.

The end surface of the air inlet pipe is parallel to the bottom surface of the gas-liquid separator main body; an L-shaped notch is formed in one corner of each spiral separation blade, the arc-shaped edge of each L-shaped notch is fixed to the end face of the air inlet pipe, and the length of each arc-shaped edge is larger than the thickness of the pipe wall of the air inlet pipe; the straight edge of the L-shaped notch is fixed on the outer side wall of the air inlet pipe.

Preferably, the upper end of the spiral separation blade is fixedly connected with a cover plate.

Preferably, the wall of the air inlet pipe extending into the main body part of the gas-liquid separator is provided with a backflow hole.

The lowest end of the hole wall of the backflow hole and the inner surface of the lower wall of the gas-liquid separator main body are on the same horizontal plane.

Preferably, a filter screen is arranged in the cavity of the gas-liquid separator main body, the filter screen is fixedly connected with the side wall of the cavity, and the filter screen is arranged above the vortex generating device.

The air inlet pipe is communicated with the sewage tank.

Preferably, a vacuum switch interface is arranged on an air inlet pipe between the gas-liquid separator main body and the dirt box.

The utility model has the advantages of as follows: vortex is generated through the flow guide effect of the spiral separation fan blades, liquid and gas are separated by centrifugal force, solid particles in dirt are filtered through the filter screen, the risk of blockage of the vacuum generator is reduced, and the reliability of the system is improved.

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. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

FIG. 1: the utility model discloses a partial sectional schematic view of a three-dimensional structure of an embodiment;

FIG. 2: the utility model discloses a three-dimensional structure section view of an embodiment;

FIG. 3: the utility model discloses a three-dimensional structure schematic diagram of a spiral separation fan blade of an embodiment;

FIG. 4: the utility model relates to a three-dimensional structure cross-sectional view of a spiral separation fan blade of an embodiment;

FIG. 5: the utility model discloses a partial section view of a spiral separation blade of an embodiment;

FIG. 6: the utility model relates to a filter screen spatial structure schematic diagram of embodiment.

Detailed Description

The invention will be further described with reference to the following figures and examples:

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the present invention provides an embodiment, a gas-liquid separator, which is characterized in that it comprises a gas-liquid separator body 1, a gas inlet 2 and a gas outlet 3; the gas-liquid separator main body 1 is barrel-shaped, and the gas inlet 2 is arranged on the lower wall of the gas-liquid separator main body 1; the air outlet 3 is arranged on the upper wall of the gas-liquid separator main body 1 and is connected with a vacuum generator; a vortex flow generating device for generating a vortex flow of the gas-liquid introduced from the gas inlet 2 in the gas-liquid separator main body 1 is provided in the cavity of the gas-liquid separator main body 1, and the vortex flow generating device is attached above the gas inlet 2. When the device works, the vacuum generator is used for vacuumizing, gas and liquid enter the gas-liquid separator main body 1 through the gas inlet 2, the vortex generating device enables the gas and the liquid to generate a vortex, the gas and the liquid are separated by centrifugal force, the gas is discharged into the atmosphere through the vacuum generator through the gas outlet 3, and the liquid flows back through the gas inlet 2.

As shown in fig. 3 and 4, the vortex generating device is a plurality of spiral separating blades 4, and the spiral separating blades 4 are uniformly distributed along the circumference with the center of the circle of the air inlet 2 as the center of the circle.

An air inlet pipe 20 is fixed on the air inlet 2, and the air inlet pipe 20 extends into the gas-liquid separator main body 1; the spiral separation blade 4 is fixed to an end portion of the intake pipe 20 that protrudes into the gas-liquid separator main body 1.

As shown in fig. 5, the end surface of the intake pipe 20 is parallel to the bottom surface of the gas-liquid separator main body 1; an L-shaped notch 40 is formed in one corner of the spiral separation blade 4, an arc-shaped edge 40a of the L-shaped notch 40 is fixed to the end face of the air inlet pipe 20, and the length of the arc-shaped edge 40a is larger than the thickness of the pipe wall of the air inlet pipe 20; the straight edge 40b of the L-shaped notch 40 is fixed to the outer side wall of the air inlet pipe 20. The spiral separation blade 4 crosses the pipe wall of the air inlet pipe 20, so that the effect of generating vortex when the gas and the liquid enter the spiral separation blade 4 from the air inlet pipe 20 is better, and the gas and the liquid are more fully separated.

The upper end of the spiral separation blade 4 is fixedly connected with a cover plate 5, the cover plate 5 blocks a gas-liquid passage, so that gas and liquid flow along the spiral separation blade 4 to generate a vortex, the gas and liquid are prevented from directly entering the vacuum generator through the gas outlet 3, and the gas-liquid separation effect is better.

As shown in fig. 2, the wall of the inlet pipe 20 extending into the gas-liquid separator main body 1 is provided with a return hole 6.

The lowest end of the hole wall of the backflow hole 6 and the inner surface of the lower wall of the gas-liquid separator main body 1 are on the same horizontal plane, so that all liquid can flow back to the air inlet pipe 20 through the backflow hole 6, and no residual liquid exists in the gas-liquid separator main body 1.

As shown in fig. 2 and 6, a filter screen 8 is disposed in the cavity of the gas-liquid separator main body 1, the filter screen 8 is fixedly connected with the side wall of the cavity, and the filter screen 8 is disposed above the vortex generating device. The gas that separates is discharged into in the atmosphere by vacuum generator through gas outlet 3, and gas is earlier through filter screen 8 reentrant gas outlet 3, and the particulate matter in the gas is filtered by filter screen 8, avoids blockking up vacuum generator.

The inlet duct 20 communicates with the waste bin.

And a vacuum switch interface 9 is arranged on an air inlet pipe 20 between the gas-liquid separator main body 1 and the sewage tank. The vacuum switch interface 9 is used for installing a vacuum switch, detecting the vacuum degree of the dirt box and providing a vacuum degree signal for the system.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The gas-liquid separator is characterized by comprising a gas-liquid separator main body (1), a gas inlet (2) and a gas outlet (3); the gas-liquid separator main body (1) is barrel-shaped, and the gas inlet (2) is arranged on the lower wall of the gas-liquid separator main body (1); the air outlet (3) is arranged on the upper wall of the gas-liquid separator main body (1) and is connected with a vacuum generator; the cavity of the gas-liquid separator main body (1) is provided with a vortex generating device which enables gas and liquid entering from the gas inlet (2) to generate vortex in the gas-liquid separator main body (1), and the vortex generating device is arranged above the gas inlet (2).

2. A gas-liquid separator according to claim 1, wherein said swirl imparting means are a plurality of helical separating vanes (4), said helical separating vanes (4) being circumferentially and uniformly distributed about the centre of the gas inlet (2).

3. A gas-liquid separator according to claim 2, wherein the gas inlet (2) is fixed with a gas inlet pipe (20), the gas inlet pipe (20) extending into the gas-liquid separator body (1); the spiral separation blade (4) is fixed at the end part of the air inlet pipe (20) extending into the gas-liquid separator main body (1).

4. A gas-liquid separator according to claim 3, wherein the end face of said inlet pipe (20) is parallel to the bottom face of said gas-liquid separator main body (1); an L-shaped notch (40) is formed in one corner of the spiral separation blade (4), an arc-shaped edge (40 a) of the L-shaped notch (40) is fixed to the end face of the air inlet pipe (20), and the length of the arc-shaped edge (40 a) is larger than the thickness of the pipe wall of the air inlet pipe (20); the straight edge (40 b) of the L-shaped notch (40) is fixed on the outer side wall of the air inlet pipe (20).

5. A gas-liquid separator according to claim 4, wherein the upper end of the helical separation blade (4) is fixedly connected with a cover plate (5).

6. A gas-liquid separator according to claim 3, wherein the wall of the portion of the inlet pipe (20) extending into the main body (1) of the gas-liquid separator is provided with a return orifice (6).

7. The gas-liquid separator according to claim 6, wherein the lowermost end of the wall of said return opening (6) is level with the inner surface of the lower wall of said main body (1).

8. The gas-liquid separator according to claim 1, wherein a filter screen (8) is arranged in the cavity of the gas-liquid separator body (1), the filter screen (8) is fixedly connected with the side wall of the cavity, and the filter screen (8) is arranged above the vortex generating device.

9. A gas-liquid separator according to claim 3, wherein said inlet duct (20) communicates with the dirt box.

10. The gas-liquid separator according to claim 9, wherein a vacuum switch connection (9) is provided on the air inlet pipe (20) between the gas-liquid separator body (1) and the dirt tank.