CN218915485U

CN218915485U - Compact oil separator

Info

Publication number: CN218915485U
Application number: CN202222537696.4U
Authority: CN
Inventors: 张碧波; 潘斌斌; 梁悦明
Original assignee: Zhejiang Dingnuo Energy Equipment Co ltd
Current assignee: Zhejiang Dingnuo Energy Equipment Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-04-25
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a compact oil separator, which comprises a shell, wherein an upper cover body and a lower cover body are respectively detachably arranged at two ends of the shell, and an air inlet is arranged on the shell; the upper end of the guide cylinder is arranged on the upper cover body, the lower end of the guide cylinder props against the lower cover body, the inside of the shell is further divided into an outer cavity and an inner cavity, a first-level filter screen is arranged between the shell and the guide cylinder, and a second-level filter screen is arranged between the guide cylinder and the discharge pipe; the upper side of the lower cover body is provided with a discharge pipe, the top end of the discharge pipe is provided with an end cap, the outer edge of the end cap is matched with the inner wall of the guide cylinder, the side wall of the end cap is provided with a plurality of inner cavity guide pipes, and a buffer space is reserved between the end cap and the upper end cap. The utility model has compact structure, and the mixed gas fully contacts with the filter screen and each structural member in the process that the outer cavity enters the inner cavity and the inner cavity enters the discharge pipe, thereby effectively absorbing oil particles, reducing the oil content in the gas and achieving the purpose of efficiently separating oil.

Description

Compact oil separator

Technical Field

The utility model belongs to the technical field of refrigeration separation equipment, and particularly relates to a compact oil separator.

Background

In refrigeration equipment, compressed refrigerant steam is in a high-temperature and high-pressure state, part of engine oil on the wall of a cylinder is easy to form oil steam and oil drop particles and discharge together with the refrigerant steam under the action of high temperature, so that an oil-gas separator is required to be arranged to separate oil drops, in general, the oil-gas separator in the refrigeration equipment is arranged between a compressor and a condenser through a connecting pipe, and because of the limitation of space positions, the welding operation of the oil-gas separator is inconvenient, the welding quality can be directly influenced in a narrow space, leakage can be easily caused, and even after the refrigeration equipment is used for a period of time, the condition of desoldering can be caused. Therefore, it is necessary to optimally design the structure of the oil separator.

Disclosure of Invention

In view of the above, the present utility model is directed to overcoming the drawbacks of the prior art, and providing a compact oil separator.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a compact oil separator comprises a shell, wherein an upper cover body and a lower cover body are respectively detachably arranged at two ends of the shell, and an air inlet is arranged on the shell;

the upper end of the guide cylinder is arranged on the upper cover body, the lower end of the guide cylinder props against the lower cover body, the inside of the shell is further divided into an outer cavity and an inner cavity, a first-level filter screen is arranged between the shell and the guide cylinder, and a second-level filter screen is arranged between the guide cylinder and the discharge pipe;

the upper side of the lower cover body is provided with a discharge pipe, the top end of the discharge pipe is provided with an end cap, the outer edge of the end cap is matched with the inner wall of the guide cylinder, the side wall of the end cap is provided with a plurality of inner cavity guide pipes, and a buffer space is reserved between the end cap and the upper end cap;

the lower part of the guide cylinder is provided with an expanding part, the lower end of the expanding part is provided with a supporting part matched with the lower cover body, and an oil storage tank is formed between the outer wall of the supporting part and the lower end cover; the expanding part is provided with a plurality of outer cavity flow guide pipes.

Further, the upper cover body is fixed on the shell through a screw, or the upper cover body is screwed on the shell through threads.

Further, the lower cover body is fixed on the shell through a screw, or the lower cover body is screwed on the shell through threads.

Further, the upper end of the guide cylinder is fixed on the upper cover body through a connecting piece, or the upper end of the guide cylinder is welded and fixed on the upper cover body.

Further, the diameter expansion section is in a cone-shaped structure or a horn-shaped structure.

Further, the outer cavity guide pipes are obliquely arranged, and the inclination angles of the outer cavity guide pipes are different.

Further, the inner cavity guide pipes are obliquely arranged, and the inclination angles of the inner cavity guide pipes are different.

Further, the lower end cover is hemispherical, and has an oil storage space inside.

Compared with the prior art, the utility model has the following advantages:

the utility model has compact structure and reasonable design, the inner part of the shell is divided into the outer cavity and the inner cavity by the guide cylinder, the flow path of the mixed gas is effectively prolonged, the mixed gas fully contacts with the filter screen and each structural member in the process that the outer cavity enters the inner cavity and the inner cavity enters the discharge pipe, the adsorption of oil particles is effectively carried out, the oil content in the gas is reduced, and the aim of efficiently separating oil is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute an undue limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the portion of the upper cover provided with the guide shell in accordance with the present utility model;

fig. 3 is a schematic view of a lower cover portion provided with a discharge pipe in the present utility model.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

A compact oil separator, as shown in fig. 1 to 3, comprises a housing 1, wherein an upper cover 2 and a lower cover 3 are detachably arranged at two ends of the housing respectively, and an air inlet 4 is arranged on the housing; the upper cover body is provided with a guide cylinder 5 at the lower side, the upper end of the guide cylinder is arranged on the upper cover body, the lower end of the guide cylinder props against the lower cover body, and the inside of the shell is further divided into an outer cavity 6 and an inner cavity 7. The upper side of the lower cover body is provided with a discharge pipe 8, the top end of the discharge pipe is provided with an end cap 9, the outer edge of the end cap is matched with the inner wall of the guide cylinder, the side wall of the end cap is provided with a plurality of inner cavity guide pipes 10, a buffer space 11 is reserved between the end cap and the upper end cover, and the lower end of the discharge pipe extends out of the lower end cover.

The lower part of the guide cylinder is provided with an expanding part 12, the lower end of the expanding part is provided with a supporting part 13 matched with the lower cover body, and an oil storage tank 14 is formed between the outer wall of the supporting part and the lower end cover; the expanded portion is provided with a plurality of outer cavity guide pipes 15, and the lower end cover is generally hemispherical and has an oil storage space 18 inside.

The mixed gas entering the oil separator from the air inlet fills the outer cavity, then enters the inner cavity through the outer cavity guide pipe, and in the process of entering the inner cavity, the air flow contacts the inner wall of the shell and the outer wall of the guide cylinder, and contacts a plurality of outer cavity guide pipes in the process of entering the inner cavity, so that the oil separation effect is improved, oil drops adsorbed by the outer cavity guide pipe can flow into the oil storage tank in a proper direction, and the oil drops can be cleaned after the lower end cover is disassembled. The gas can get into the discharge pipe through the inner chamber honeycomb duct after being full of the inner chamber, the air current contacts with draft tube inner wall, discharge pipe outer wall and end cap, and get into discharge pipe in-process and a plurality of inner chamber honeycomb ducts contact, oil separation effect has been improved, the oil droplet absorbed by the inner chamber honeycomb duct can flow down into the oil storage space, in guaranteeing the oil separation effect, can arrange the part in the casing of smaller size, the structure is compacter, reduce the oil separator installation and arrange the limitation in refrigeration plant, the installation flexibility ratio is high, the maneuverability is strong, even weld the use in narrow and small space scope, use this compact structure's oil separator, can obtain bigger welding operation space.

For example, the upper cover is fixed to the housing by a screw, or the upper cover is screwed to the housing. The lower cover body is fixed on the shell through a screw, or the lower cover body is screwed on the shell through threads. Be equipped with one-level filter screen 16 between casing and draft tube, be equipped with second grade filter screen 17 between draft tube and discharge pipe, in less casing space, with the filter screen abundant contact when gas flow, can obtain better oil separation effect, in figure 1 one-level filter screen and second grade filter screen only are schematic structure, under the circumstances that guaranteeing the air current and not sending out the jam, the filter screen mesh diameter is smaller (or mesh number is bigger) more do benefit to the oil drop absorption, and the person skilled in the art can match the filter screen according to actual need, and is not repeated here.

The upper end of the guide cylinder is fixed on the upper cover body through a connecting piece, or the upper end of the guide cylinder is welded and fixed on the upper cover body, the upper end of the guide cylinder is sealed with the upper cover body, the lower end of the guide cylinder and the lower cover body are preferably kept in a sealing state, so that air flow only enters the inner cavity from each outer cavity guide pipe, and the outer cavity guide pipe is provided with a part which externally protrudes out of the end cap, when the air flow enters the inner cavity, the air flow contacts the outer wall of the outer cavity guide pipe, has a certain adsorption effect on oil drops, the content of oil drop microparticles in the air flow is reduced, and the inner wall of the guide cylinder is also preferably kept in a sealing state, so that the air flow only enters the discharge pipe from the inner cavity guide pipe, and the air flow collides with the inner cavity guide pipe, so that the oil drops are further separated, and the oil drop leaving and removing rate is better.

For example, the diameter-enlarging section is in a cone-shaped structure or a bell-mouth-shaped structure. The outer cavity guide pipes are obliquely arranged (relative to the axis of the guide cylinder), and the inclination angles of the outer cavity guide pipes (relative to the axis of the guide cylinder) are different. Similarly, the inner cavity ducts are arranged obliquely (with respect to the discharge pipe axis), and the inclination angles of the inner cavity ducts (with respect to the discharge pipe axis) are different from each other.

The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A compact oil separator, characterized by: the device comprises a shell, wherein an upper cover body and a lower cover body are respectively detachably arranged at two ends of the shell, and an air inlet is arranged on the shell;

the lower side of the upper cover body is provided with a guide cylinder, the upper end of the guide cylinder is arranged on the upper cover body, the lower end of the guide cylinder props against the lower cover body, the inside of the shell is further divided into an outer cavity and an inner cavity, a first-stage filter screen is arranged in the outer cavity, and a second-stage filter screen is arranged in the inner cavity;

2. A compact oil separator as defined in claim 1 wherein: the upper cover body is fixed on the shell through a screw, or the upper cover body is screwed on the shell through threads.

3. A compact oil separator as defined in claim 1 wherein: the lower cover body is fixed on the shell through a screw, or the lower cover body is screwed on the shell through threads.

4. A compact oil separator as defined in claim 1 wherein: the upper end of the guide cylinder is fixed on the upper cover body through a connecting piece, or the upper end of the guide cylinder is welded and fixed on the upper cover body.

5. A compact oil separator as defined in claim 1 wherein: the diameter-expanding part is of a cone-shaped structure or a horn-shaped structure.

6. A compact oil separator as defined in claim 1 or 5 wherein: the outer cavity guide pipes are obliquely arranged, and the inclination angles of the outer cavity guide pipes are different.

7. A compact oil separator as defined in claim 1 wherein: the inner cavity guide pipes are obliquely arranged, and the inclination angles of the inner cavity guide pipes are different.

8. A compact oil separator as defined in claim 1 wherein: the lower end cover is hemispherical, and an oil storage space is formed in the lower end cover.