CN213147031U

CN213147031U - Low-pressure circulating barrel

Info

Publication number: CN213147031U
Application number: CN202021748313.2U
Authority: CN
Inventors: 王全明; 徐少凯; 杜树林; 张绍强; 宋书展; 解克鹏; 曲晓燕
Original assignee: Yantai Aosenna Heat Exchange Technology Co ltd
Current assignee: Yantai Aosenna Heat Exchange Technology Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-07
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a low-pressure circulating barrel, which comprises a horizontal barrel body with a left end socket and a right end socket, wherein the upper part of the horizontal barrel body is provided with an air outlet pipe, and the lower part of the horizontal barrel body is provided with a bypass pipe and a liquid outlet pipe; a collecting pipe is arranged at the upper part of the horizontal central line in the horizontal cylinder body and is fixed on the inner wall of the horizontal cylinder body through a supporting pipe; the collecting pipe is provided with a first mounting hole, a second mounting hole and a third mounting hole, the air inlet pipe is fixed on the first mounting hole, the liquid return pipe is fixed on the second mounting hole, the liquid inlet pipe is fixed on the third mounting hole, and the end part of the collecting pipe is provided with a bevel cut with a downward opening. The horizontal cylinder is internally provided with the collecting pipe, the end part of the collecting pipe is provided with the inclined notch with the downward opening, and the air inlet pipe is fixed on the collecting pipe, so that the direction of air entering the horizontal cylinder is changed, liquid is prevented from entering the air outlet pipe, and the normal operation of the compressor is ensured.

Description

Low-pressure circulating barrel

Technical Field

The utility model relates to a refrigeration plant technical field, concretely relates to low pressure circulation bucket.

Background

In the operation process of a compressor of a refrigeration system, the phenomenon of air suction and liquid carrying often occurs, if liquid refrigerant enters the compressor of the refrigeration system, lubricating oil in the compressor is easily diluted, and the inside of a cavity of the compressor generates liquid impact due to the compression of the refrigerant liquid, so that the service life of the compressor is influenced. To prevent this drawback, a low-pressure recycle drum is typically provided to separate the entrained droplets from the gas before the refrigerant system enters the compressor.

The existing low-pressure circulating barrel generally arranges the air inlets at two ends of the barrel, the connectors face the end sockets, the gas-liquid two-phase medium is ensured to be far enough from the air outlet, and the air outlet is prevented from taking away liquid as far as possible.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current technical problem, a low pressure circulation bucket is provided.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a low-pressure circulating barrel comprises a horizontal barrel body with a left sealing head and a right sealing head, wherein an air outlet pipe is arranged at the upper part of the horizontal barrel body, and a bypass pipe and a liquid outlet pipe are arranged at the lower part of the horizontal barrel body;

a collecting pipe is arranged at the upper part of the horizontal central line in the horizontal cylinder body and is fixed on the inner wall of the horizontal cylinder body through a supporting pipe;

the collecting pipe is provided with a first mounting hole, a second mounting hole and a third mounting hole, the air inlet pipe is fixed on the first mounting hole, the liquid return pipe is fixed on the second mounting hole, the liquid inlet pipe is fixed on the third mounting hole, and the end part of the collecting pipe is provided with a bevel cut with a downward opening.

The utility model has the advantages that: this application is through setting up the collector in horizontal barrel and fixing the intake pipe on the collector, sets up the downward scarf of opening through the tip at the collector, makes the gas direction that gets into in the horizontal barrel change, has increased the distance between intake pipe and the outlet duct to avoid in liquid gets into the outlet duct, guarantee the normal operating of compressor. The liquid inlet pipe is fixed on the collecting pipe, so that when liquid in the liquid inlet pipe falls under the action of gravity, partial gas contained in the liquid is separated, the liquid in the liquid inlet pipe is prevented from being directly pumped away by the compressor, and the normal operation of the compressor is ensured.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

further, the first mounting holes are two and are respectively arranged at two ends of the collecting pipe.

The beneficial effect of adopting the further technical scheme is that: the distance between the air inlet pipe and the air outlet pipe can be further increased by arranging the mounting holes at the two ends of the collecting pipe, and the separation effect of the liquid refrigerant in the gas is improved.

Further, the included angle delta between the oblique notch and the horizontal direction is 45 degrees.

The beneficial effect of adopting the further technical scheme is that: the included angle of the inclined notch is set to be 45 degrees, so that the processing is convenient and the operation is simple.

Further, the collecting pipe is positioned on one side of the vertical center line of the horizontal cylinder.

The beneficial effect of adopting the further technical scheme is that: the position of the collecting pipe is staggered with the inlet of the air outlet pipe, so that the air can normally flow into the air outlet pipe, and meanwhile, the fixing is convenient.

Furthermore, a liquid level meter connecting pipe is arranged on the horizontal cylinder.

The beneficial effect of adopting the further technical scheme is that: the liquid level change in the horizontal cylinder body can be conveniently observed by arranging the liquid level meter connecting pipe.

Drawings

FIG. 1 is a schematic view of the construction of a low pressure recycle bin according to the present application;

FIG. 2 is a left side view of FIG. 1;

fig. 3 is a schematic structural view of the header.

The reference numbers are recorded as follows: the device comprises a left end socket 1, a right end socket 2, a liquid level meter connecting pipe 3, a horizontal cylinder 4, a supporting pipe 5, a collecting pipe 6, a first mounting hole 6-1, a second mounting hole 6-2, an oblique notch 6-3, a third mounting hole 6-4, an air outlet pipe 7, an air inlet pipe 8, a liquid inlet pipe 9, a liquid return pipe 10, a bypass pipe 11, a liquid outlet pipe 12, a lifting lug 13 and a support 14.

Detailed Description

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

A low-pressure circulating barrel (see figures 1 to 3) comprises a horizontal barrel 4 with a left end socket 1 and a right end socket 2, wherein the upper part of the horizontal barrel 4 is provided with an air outlet pipe 7, and the lower part of the horizontal barrel 4 is provided with a bypass pipe 11 and a liquid outlet pipe 12; in order to facilitate the hoisting of the horizontal cylinder 4, a pair of lifting lugs 13 is arranged at the upper part of the horizontal cylinder 4, in order to ensure the stability of the horizontal cylinder 4, the horizontal cylinder 4 is fixed on a support 14, the support 14 comprises two support plates, and the included angle theta between the support plates and the horizontal cylinder 4 is 120 degrees. The bypass pipe 11 is connected to the pump for receiving the liquid bypassed by the pump, and the bypass pipe 11 is disposed at a lower portion of the horizontal cylinder 4 because of a lower installation position of the pump.

A header 6 is arranged at the upper part of a horizontal central line in the horizontal cylinder 4, and the header 6 is fixed on the inner wall of the horizontal cylinder 4 through support pipes 5 at two ends; the support tube 5 can increase the firmness of fixing the header, and the adjustment of the installation height of the header 6 can be realized by adjusting the length of the support tube 5.

The header 6 is provided with a first mounting hole 6-1, a second mounting hole 6-2 and a third mounting hole 6-3, and the opening direction of the third mounting hole 6-3 is opposite to the opening direction of the first mounting hole 6-1 and the second mounting hole 6-2 in the embodiment; the angle of the mounting hole can be adjusted according to the requirements of the mounting environment. The air inlet pipe 8 is fixed on the first mounting hole 6-1, the liquid return pipe 10 is fixed on the second mounting hole 6-2, the liquid inlet pipe 9 is fixed on the third mounting hole 6-3, and the end part of the header 6 is provided with an inclined cut 6-4 with a downward opening. The third mounting hole 6-3 is opposite to the second mounting hole 6-2 in direction, so that the liquid return pipe 10 and the liquid inlet pipe 9 are respectively arranged on two sides of the horizontal cylinder 4, the flowing distance of liquid is increased, and the mounting space requirement is met. The air inlet pipe 8, the liquid inlet pipe 9 and the liquid return pipe 10 are horizontally arranged, penetrate through the cylinder wall of the horizontal cylinder 4 and then are fixed on the collecting pipe 6. The liquid inlet pipe 9 is connected with the liquid receiver for receiving liquid from the liquid receiver, and gas in the liquid can be separated when the liquid falls under gravity by mounting the liquid inlet pipe 9 on the header 6.

The first mounting holes 6-1 are provided in two and are respectively provided at both ends of the header 6. The first mounting hole 6-1 may be provided in plural, that is, a plurality of air intake pipes 8 may be fixed to the header 6, according to the requirements of the use environment.

The included angle delta between the oblique notch 6-4 and the horizontal direction is 45 degrees. The angle delta between the oblique cut 6-4 and the horizontal direction can be set to be 30-60 degrees, preferably 45 degrees according to the use requirement.

The header 6 is positioned at one side of the vertical center line of the horizontal cylinder 4. The horizontal cylinder 4 is arranged on one side of the vertical central line, so that gas can be prevented from entering the gas outlet pipe 7, the length of the supporting pipe 5 can be shortened, and the raw material cost is saved.

And a liquid level meter connecting pipe 3 is arranged on the horizontal cylinder 4. In order to better observe the liquid level change in the horizontal cylinder 4, two liquid level meter connecting pipes 3 are arranged and are respectively arranged at the upper end and the lower end of the horizontal cylinder 4.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The low-pressure circulating barrel is characterized by comprising a horizontal barrel (4) with a left sealing head (1) and a right sealing head (2), wherein an air outlet pipe (7) is arranged at the upper part of the horizontal barrel (4), and a bypass pipe (11) and a liquid outlet pipe (12) are arranged at the lower part of the horizontal barrel;

a collecting pipe (6) is arranged at the upper part of the horizontal central line in the horizontal cylinder body (4), and the collecting pipe (6) is fixed on the inner wall of the horizontal cylinder body (4) through a supporting pipe (5);

the collecting pipe (6) is provided with a first mounting hole (6-1), a second mounting hole (6-2) and a third mounting hole (6-3), the air inlet pipe (8) is fixed on the first mounting hole (6-1), the liquid return pipe (10) is fixed on the second mounting hole (6-2), the liquid inlet pipe (9) is fixed on the third mounting hole (6-3), and the end part of the collecting pipe (6) is provided with a bevel cut (6-4) with a downward opening.

2. The low pressure circulation tub as claimed in claim 1, wherein the first mounting holes (6-1) are provided in two and respectively provided at both ends of the header (6).

3. The low-pressure circulation tank as claimed in claim 1, wherein the angle δ of the oblique cuts (6-4) to the horizontal is 45 °.

4. The low-pressure circulation tank as claimed in claim 1, wherein the header (6) is located on one side of the vertical center line of the horizontal cylinder (4).

5. The low-pressure circulating bucket according to claim 1, wherein the horizontal cylinder (4) is provided with a liquid level meter connecting pipe (3).