CN211451474U

CN211451474U - Gas-liquid separator

Info

Publication number: CN211451474U
Application number: CN201921536911.0U
Authority: CN
Inventors: 陈永杰; 田鹏; 郭浩胜
Original assignee: Zhejiang Dunan Machinery Co Ltd
Current assignee: Zhejiang Dunan Machinery Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-09-08
Anticipated expiration: 2029-09-16

Abstract

The utility model provides a pair of vapour and liquid separator, including a jar body and piping, the connecting hole has been seted up to the jar body, the piping is including taking over with the internal union outward, take over outward the connecting hole stretches into jar internal and with jar body welding, the internal union accept in jar is internal, the internal union insert external union and take over the welding outward, just jar body external union with internal union welds simultaneously, and this scheme is internal for prior art, and external union stretches into jar, and the internal union cup joints in external union, can make internal union handle in the barrel with being connected between the external union, when the piping uses, can ignore the leakage rate at this place. The joint of the external connecting pipe and the tank body is fixed by welding, and only the welding seam at the joint has an influence on external leakage, so that the leakage rate of the gas-liquid separator is reduced by 50%.

Description

Gas-liquid separator

Technical Field

The utility model relates to a refrigeration technology field particularly, relates to a vapour and liquid separator.

Background

The gas-liquid separator is an important accessory of a refrigerating unit, is mainly used in large and medium-sized air conditioning systems or freezing and refrigerating units, is positioned at the air suction end of a compressor, plays a role in storing liquid and separating gas from liquid, and prevents a large amount of liquid refrigerant from directly entering the compressor to cause damage to the compressor due to liquid impact.

The gas-liquid separator generally comprises a tank body and a pipeline connected with the interior of the tank body, and the pipeline and the tank body are generally connected in a welding mode. In order to facilitate the assembly of the cylinder and the pipeline, the pipeline is generally divided into two sections, the pipelines are connected through welding, two welding seams can be formed by the structure, and the quality of the two welding seams directly influences the external leakage.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a gas-liquid separator capable of reducing a leak rate of the gas-liquid separator.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a gas-liquid separator, comprising:

the tank body is provided with a connecting hole;

the pipe comprises an external pipe and an internal pipe, the external pipe extends into the tank body from the connecting hole and is welded with the tank body, the internal pipe is contained in the tank body, the internal pipe is inserted into the external pipe and is welded with the external pipe, and the tank body, the external pipe and the internal pipe are welded at the same time.

In one embodiment, an expansion section is arranged at one end, facing the tank body, of the outer connecting pipe, the inner connecting pipe is sleeved in the expansion section, the outer diameter of the expansion section is larger than that of the outer connecting pipe, and the expansion section is connected with the tank body in a welding mode.

In one embodiment, the outer connecting pipe and the flaring segment are integrally formed.

In one embodiment, a flange extending towards the outer side of the tank body is arranged at the connecting hole, and the flange is attached to the outer connecting pipe.

In one embodiment, the number of the pipes is two, one pipe is an air inlet pipe, the other pipe is an air outlet pipe, the number of the connecting holes is two, and the two pipes are correspondingly arranged in the connecting holes one by one;

the outer connecting pipe of the air inlet pipe is a first air inlet pipe, and the inner connecting pipe of the air inlet pipe is a second air inlet pipe;

the external connecting pipe of the air outlet pipe is a first air outlet pipe, and the internal connecting pipe is a second air outlet pipe.

In one embodiment, the second outlet pipe is arranged in a U shape.

In one embodiment, the level of the end of the second outlet pipe far away from the first outlet pipe is higher than the level of the end of the second inlet pipe far away from the first inlet pipe.

In one embodiment, a filter screen is arranged in the second air outlet pipe.

In one embodiment, the tank body comprises a first end cover, a middle tank body and a second end cover, the first end cover and the second end cover are respectively arranged at two ends of the middle tank body, and the connecting hole is formed in the first end cover.

In one embodiment, a base is mounted to the bottom of the canister.

Compared with the prior art, the utility model provides a pair of vapour and liquid separator has following advantage:

the external pipe extends into the tank body, the internal pipe is sleeved in the external pipe, the connection between the internal pipe and the external pipe can be arranged in the cylinder body, and the leakage rate at the position can be ignored when the pipe is used. The joint of the external connecting pipe and the tank body is fixed by welding, and only the welding seam at the joint has an influence on external leakage, so that the leakage rate of the gas-liquid separator is reduced by 50%.

Drawings

The following drawings are only for the purpose of enabling those skilled in the art to better understand the technical solution of the present invention, and are not intended to limit the present invention, and other drawings can be obtained by those skilled in the art according to the technical solution of the present invention.

Fig. 1 is a schematic structural diagram of a gas-liquid separator provided by the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Description of reference numerals:

100. a gas-liquid separator; 10. a tank body; 11. a first end cap; 12. a middle tank body; 13. a second end cap; 14. a base; 141. supporting legs; 15. flanging; 20. piping; 21. an external connection pipe; 22. an inner connecting pipe; 23. a flared section; 24. an air inlet pipe; 241. a first intake pipe; 242. a second intake pipe; 25. an air outlet pipe; 251. a first air outlet pipe; 252. a second air outlet pipe; 26. and (4) a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples for describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

In addition, unless otherwise defined, terms of orientation used in the present invention, such as "upper, lower, left, and right," are described with respect to the orientation shown in the drawings.

As shown in fig. 1 to 2, the present invention provides a gas-liquid separator 100, wherein the gas-liquid separator 100 is applied to an air conditioning system for separating gas from liquid.

Specifically, the gas-liquid separator includes a tank 10 and a pipe 20, and the pipe 20 is inserted into the tank 10 to communicate the inside and the outside of the tank 10.

Wherein, the tank body 10 is provided with a connecting hole. It is understood that the pipe 20 is inserted into the can body 10 by forming a connection hole in the can body 10.

Further, as shown in fig. 1, the tank 10 includes a first end cap 11, a middle tank 12 and a second end cap 13, the first end cap 11 and the second end cap 13 are respectively disposed at two ends of the middle tank 12, and the connection hole is opened in the first end cap 11.

It will be appreciated that the central body 12 may be a cylindrical barrel, although other shapes may be used in other embodiments, such as square barrels, oval barrels, etc. The first end cap 11, the middle tank 12 and the second end cap 13 enclose to form a cavity, and the piping 20 is communicated with the cavity.

Wherein, the connecting hole can also be arranged on the middle tank body 12 or the second end cover 13.

Further, as shown in fig. 1, a base 14 is installed at the bottom of the tank 10, and the base 14 is used for placing the cylinder on a contact surface (ground).

In this embodiment, the base 14 may be welded to the can 10. Of course, in other embodiments, the base 14 and the can body 10 may be fixed to each other by means of gluing, caulking, or the like, as long as the base 14 can be fixed to the can body 10.

Preferably, the bottom of the base 14 is provided with a plurality of supporting legs 141, and the supporting legs 141 are used for supporting the base 14 on a contact surface. The supporting legs 141 are arranged in a triangular array or a rectangular array.

Wherein, the number of the supporting legs 141 is 3 or 4. The supporting legs 141 are integrally formed with the base 14.

Further, as shown in fig. 1, the number of the pipes 20 is two, one of the pipes 20 is an air inlet pipe 24, the other pipe 20 is an air outlet pipe 25, the number of the connection holes is two, and the two pipes 20 are correspondingly mounted in the connection holes.

It will be appreciated that both the inlet duct 24 and the outlet duct 25 are provided on the first end cap 11. The gas-liquid mixed medium enters the tank body 10 through the gas inlet pipe 24, the gas-liquid mixed medium is separated in the tank body 10, the liquid is deposited at the bottom of the tank body 10, and the redundant gas is discharged out of the tank body 10 through the gas outlet pipe 25, so that the gas and the liquid in the gas-liquid mixed medium are separated.

Wherein, the second outlet pipe 252 is arranged in a U shape. Preferably, the level of the end of the second outlet pipe 252 far away from the first outlet pipe 251 is higher than the level of the end of the second inlet pipe 242 far away from the first inlet pipe 241.

It can be understood that the end of the second outlet pipe 252 away from the first outlet pipe 251 and the end of the second inlet pipe 242 away from the first inlet pipe 241 are arranged in a staggered manner. Meanwhile, the horizontal height of the end of the second outlet pipe 252 far away from the first outlet pipe 251 needs to be higher than the horizontal height of the bottom of the cylinder. Liquid is prevented from entering the second outlet tube 252.

Of course, in other embodiments, the level of the end of the second outlet pipe 252 far away from the first outlet pipe 251 is lower than the level of the end of the second inlet pipe 242 far away from the first inlet pipe 241, and the level of the end of the second outlet pipe 252 far away from the first outlet pipe 251 needs to be higher than the level of the bottom of the cylinder.

Preferably, a filter screen 26 is arranged in the second air outlet pipe 252. Specifically, the filter screen 26 is disposed in the middle of the second outlet pipe 252, and the filter screen 26 can further filter the liquid in the gas, so as to improve the efficiency of separating the gas from the liquid in the gas-liquid mixed medium.

Further, as shown in fig. 1, the pipe 20 includes an outer pipe 21 and an inner pipe 22, the outer pipe 21 extends into the tank 10 from the connection hole and is welded to the tank 10, the inner pipe 22 is accommodated in the tank 10, the inner pipe 22 is inserted into the outer pipe 21 and is welded to the outer pipe 21, and the tank 10, the outer pipe 21 and the inner pipe 22 are welded at the same time.

It is understood that the extension pipe 21 is inserted into the tank 10 and the inner pipe 22 is fitted into the extension pipe 21, so that the connection between the inner pipe 22 and the extension pipe 21 can be disposed in the cylinder, and the leak rate can be ignored when the pipe 20 is used. The joint of the external connecting pipe 21 and the tank body 10 is fixed by welding, and only the welding seam influencing external leakage is the welding seam at the joint, so that the leakage rate of the gas-liquid separator 100 is reduced by 50%.

Wherein the outer connecting pipe 21 of the air inlet pipe 24 is a first air inlet pipe 241, and the inner connecting pipe 22 is a second air inlet pipe 242;

the external connecting pipe 21 of the air outlet pipe 25 is a first air outlet pipe 251, and the internal connecting pipe 22 is a second air outlet pipe 252.

Preferably, the connecting hole is in interference fit with the outer joint pipe 21. This arrangement can further improve the stability of the connection between the pipe 20 and the tank 10. Of course, in other embodiments, the connection hole and the extension tube 21 may be in transition fit.

Further, as shown in fig. 2, an expansion section 23 is provided at one end of the outer connecting pipe 21 facing the tank body 10, the inner connecting pipe 22 is sleeved in the expansion section 23, an outer diameter of the expansion section 23 is larger than an outer diameter of the outer connecting pipe 21, and the expansion section 23 is welded to the tank body 10.

It will be appreciated that the flared section 23 can facilitate the connection of the inner joint 22 with the outer joint 21. Meanwhile, the outer diameter of the flaring segment 23 is larger than that of the external connecting pipe 21, so that when the external connecting pipe 21 is inserted into the tank body 10, excessive burrs are not generated at the external connecting pipe 21, the welding quality between the pipe 20 and the tank body 10 can be improved, and the reject ratio is reduced.

Further, as shown in fig. 2, the extension tube 21 and the flared section 23 are integrally formed.

It can be understood that the structure of the flared section 23 and the like can be directly formed on the external connection pipe 21, and the processing technology of the external connection pipe 21 and the flared section 23 is simplified.

Specifically, the end of the extension tube 21 is punched/extruded by a die to form the flared section 23. Of course, in other embodiments, the flared section 23 and the outer connecting tube 21 may be provided separately, and the flared section 23 and the outer connecting tube 21 are fixed to each other by gluing, welding, or the like, as long as the flared section 23 can be fixed to the outer connecting tube 21.

Further, as shown in fig. 1 and 2, a flange 15 extending to the outside of the tank 10 is provided at the connecting hole, and the flange 15 is attached to the outer pipe 21.

It can be understood that the stability of the connection of the pipe 20 to the can body 10 can be improved by providing the flange 15, and the flange 15 can better limit the orientation of the pipe 20 and provide a larger welding surface for the solder when the solder is added for welding.

Of course, in other embodiments, the flange 15 may also extend toward the inside of the cylinder and be attached to the outer tube 21.

Preferably, the flange 15 is in interference fit with the outer connecting pipe 21. This arrangement can further improve the stability of the connection between the pipe 20 and the tank 10. Of course, in other embodiments, the flange 15 and the outer connecting tube 21 may also be in transition fit.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A gas-liquid separator, comprising:

the tank body is provided with a connecting hole;

2. The gas-liquid separator according to claim 1, wherein an expansion section is arranged at one end of the outer connecting pipe facing the tank body, the inner connecting pipe is sleeved in the expansion section, the outer diameter of the expansion section is larger than that of the outer connecting pipe, and the expansion section is welded to the tank body.

3. The gas-liquid separator of claim 2, wherein the extension tube is integrally formed with the flared section.

4. The gas-liquid separator of claim 1, wherein a flange extending outward of the tank is provided at the connecting hole, and the flange is attached to the outer joint pipe.

5. The gas-liquid separator according to any one of claims 1 to 4, wherein the number of the pipes is two, one of the pipes is an inlet pipe, the other of the pipes is an outlet pipe, the number of the connecting holes is two, and the two pipes are mounted in the connecting holes in a one-to-one correspondence;

6. The gas-liquid separator of claim 5, wherein the second outlet duct is U-shaped.

7. The gas-liquid separator of claim 6, wherein a level of an end of the second outlet duct remote from the first outlet duct is higher than a level of an end of the second inlet duct remote from the first inlet duct.

8. The gas-liquid separator of claim 5, wherein a filter screen is disposed within the tube of the second outlet tube.

9. The gas-liquid separator according to claim 1, wherein the tank comprises a first end cover, a middle tank and a second end cover, the first end cover and the second end cover are respectively disposed at two ends of the middle tank, and the connection hole is opened in the first end cover.

10. The gas-liquid separator of claim 1, wherein a base is mounted to a bottom of the tank.