CN215571357U - Two parallel screw compressor units of integrated shell-and-tube oil cooling and shell-and-tube economizer - Google Patents

Abstract

The utility model discloses a two-parallel screw compressor unit of an integrated shell-and-tube oil cooler and shell-and-tube economizer, which comprises a motor support, a compressor support, a common base and a vertical oil separator, a compressor support is fixed on one side of the common base, which is positioned on the vertical oil separator, a motor support is fixed on one side of the common base, which is positioned on the compressor support and is far away from the vertical oil separator, a first motor and a second motor are fixed on the motor support, a first compressor and a second compressor are fixed on the compressor support, one side of the public base is provided with a shell-and-tube economizer, one end of the shell-and-tube economizer is provided with a shell-and-tube oil cooler, one end of the vertical oil separator is connected with an exhaust pipeline, the vertical oil separator is communicated with an air suction pipeline through the exhaust pipeline, and the first compressor and the second compressor are both communicated with the air suction pipeline. The utility model has the advantages of simple system, low cost, high refrigeration efficiency and large range coverage of refrigeration capacity.

Description

Two parallel screw compressor units of integrated shell-and-tube oil cooling and shell-and-tube economizer

Technical Field

The utility model relates to the technical field of compressors, in particular to a two-parallel screw compressor unit integrating a shell-and-tube oil cooler and a shell-and-tube economizer.

Background

At present, the conventional compressor unit with two parallel opening screws and an economizer is as follows: two compressors, two horizontal oil separators, two economizers, and two oil coolers. The unit is large in occupied area, large in field installation difficulty, complex in pipeline between the unit and the container, and greatly increased in lubricating oil filling amount and ammonia filling amount.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a two-parallel-connection screw compressor unit integrating a shell-and-tube type oil cooler and a shell-and-tube type economizer, which has the advantages of flexible load adjustment, simple system, low cost, high refrigeration efficiency and large range coverage of refrigeration capacity, and solves the problems that the conventional two-parallel-connection opening screw compressor unit with the economizer is as follows: two compressors, two horizontal oil separators, two economizers, and two oil coolers. The occupied area of the unit arranged in the way is large, the field installation difficulty is large, the pipelines between the unit and the container are complicated, and the lubricating oil filling amount and the ammonia filling amount of the unit are greatly increased.

In order to achieve the purpose, the utility model provides the following technical scheme:

a two-parallel-connection screw compressor unit integrating a shell-and-tube type oil cooler and a shell-and-tube type economizer comprises a motor support, a compressor support, a public base and the vertical oil separator, wherein the vertical oil separator is fixed at one end of the upper surface of the public base, the compressor support is fixed on one side, located on the vertical oil separator, of the public base, the motor support is fixed on one side, located on the compressor support and away from the vertical oil separator, of the public base, the motor support is fixed on the motor support, a first motor and a second motor are fixed on the motor support, a first compressor and a second compressor are fixed on the compressor support, the shell-and-tube type economizer is arranged on one side of the public base, the shell-and-tube type oil cooler is arranged at one end of the shell-and-tube type economizer, an exhaust pipeline is connected with one end of the vertical oil separator, and the vertical oil separator is communicated with an air suction pipeline through the exhaust pipeline, the first compressor and the second compressor are both communicated with a suction pipeline.

Preferably, the first suction filter and the second suction filter are respectively connected to one ends of the first compressor and the second compressor, which are far away from the suction pipeline.

Preferably, one side of the vertical oil separator is communicated with the shell-and-tube oil cooler through a conduit.

Preferably, the first motor and the second motor are in transmission connection with the first compressor and the second compressor through a first coupling and a second coupling respectively.

Preferably, the shell and tube economizer is in communication with the first compressor and the second compressor by conduits.

Compared with the prior art, the utility model has the beneficial effects that:

by arranging the first compressor and the second compressor, a user can conveniently switch the working states of the first compressor and the second compressor, the load can be flexibly adjusted, and the system has the advantages of simplicity, low cost, high refrigeration efficiency and large coverage of the refrigeration capacity range;

through setting up shell and tube oil cooler, dispel the heat through shell and tube oil cooler vertical oil separator, prevent that vertical oil separator is in high temperature operating condition for a long time, lead to vertical oil separator to damage.

Drawings

Fig. 1 is a schematic top view of the present invention.

In the figure: 1. a first motor; 2. a motor support; 3. a first coupling; 4. a first gas absorption filter; 5. a first compressor; 6. a compressor support; 7. an air intake duct; 8. an exhaust duct; 9. a common base; 10. a vertical oil separator; 11. a shell-and-tube oil cooler; 12. a shell-and-tube economizer; 13. a second suction filter; 14. a second compressor; 15. a second coupling; 16. a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an embodiment of the present invention:

the utility model provides an integrated two parallelly connected screw compressor units of shell-and-tube type oil cooler and shell-and-tube type economizer, including motor support 2, compressor support 6, public base 9 and vertical oil separator 10, public base 9's upper surface one end is fixed with vertical oil separator 10, dispel the heat through shell-and-tube type oil cooler 11 vertical oil separator 10, prevent that vertical oil separator 10 from being in high temperature operating condition for a long time, lead to vertical oil separator 10 to damage, one side of vertical oil separator 10 passes through pipe and shell-and-tube type oil cooler 11 intercommunication, one side that lies in vertical oil separator 10 on public base 9 is fixed with compressor support 6, one side that lies in compressor support 6 and deviates from vertical oil separator 10 on public base 9 is fixed with motor support 2, be fixed with first motor 1 and second motor 16 on the motor support 2.

The first motor 1 and the second motor 16 are respectively in transmission connection with the first compressor 5 and the second compressor 14 through the first coupler 3 and the second coupler 15, the first compressor 5 and the second compressor 14 are fixed on the compressor support 6, a user can conveniently switch the working states of the first compressor 5 and the second compressor 14, the load can be flexibly adjusted, and the refrigerating system has the advantages of simple system, low cost, high refrigerating efficiency and large range coverage of refrigerating capacity, a shell-and-tube type economizer 12 is arranged on one side of the common base 9, the shell-and-tube type economizer 12 is communicated with the first compressor 5 and the second compressor 14 through a guide pipe, a shell-and-tube type oil cooler 11 is arranged at one end of the shell-and-tube type economizer 12, an exhaust pipeline 8 is connected with one end of the vertical oil separator 10, the vertical oil separator 10 is communicated with an air suction pipeline 7 through the exhaust pipeline 8, and both the first compressor 5 and the second compressor 14 are communicated with the air suction pipeline 7, the first suction filter 4 and the second suction filter 13 are connected to the ends of the first compressor 5 and the second compressor 14 facing away from the suction line 7, respectively.

The working principle is as follows: a compressor support 6 is fixed on one side of the vertical oil separator 10 on the public base 9, a first compressor 5 and a second compressor 14 are fixed on the compressor support 6, a user can conveniently switch the working states of the first compressor 5 and the second compressor 14, the load can be flexibly adjusted, the vertical oil separator 10 is fixed at one end of the upper surface of the public base 9, the vertical oil separator 10 is cooled through a shell-and-tube oil cooler 11, and the vertical oil separator 10 is prevented from being in a high-temperature working state for a long time and being damaged, and the vertical oil separator 10 is simple in system, low in cost, high in refrigerating efficiency and large in refrigerating capacity coverage.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides an integrated two parallelly connected screw compressor units of shell-and-tube type oil-cooling and shell-and-tube type economic ware, includes motor support (2), compressor support (6), public base (9) and vertical oil separator (10), its characterized in that: a vertical oil separator (10) is fixed at one end of the upper surface of the public base (9), a compressor support (6) is fixed on one side, located on the vertical oil separator (10), of the public base (9), a motor support (2) is fixed on one side, located on the compressor support (6), of the public base (9) and departing from the vertical oil separator (10), a first motor (1) and a second motor (16) are fixed on the motor support (2), a first compressor (5) and a second compressor (14) are fixed on the compressor support (6), a shell-and-tube economizer (12) is arranged on one side of the public base (9), an oil cooler (11) is arranged at one end of the shell-and-tube economizer (12), an exhaust pipeline (8) is connected at one end of the vertical oil separator (10), and the vertical oil separator (10) is communicated with an air suction pipeline (7) through the exhaust pipeline (8), the first compressor (5) and the second compressor (14) are both communicated with the air suction pipeline (7).

2. The two-parallel screw compressor unit of an integrated shell and tube economizer of claim 1 wherein: and one ends of the first compressor (5) and the second compressor (14) departing from the air suction pipeline (7) are respectively connected with a first air suction filter (4) and a second air suction filter (13).

3. The two-parallel screw compressor unit of an integrated shell and tube economizer of claim 1 wherein: one side of the vertical oil separator (10) is communicated with a shell-and-tube oil cooler (11) through a conduit.

4. The two-parallel screw compressor unit of an integrated shell and tube economizer of claim 1 wherein: the first motor (1) and the second motor (16) are in transmission connection with the first compressor (5) and the second compressor (14) through the first coupling (3) and the second coupling (15) respectively.

5. The two-parallel screw compressor unit of an integrated shell and tube economizer of claim 1 wherein: the shell and tube economizer (12) is in communication with a first compressor (5) and a second compressor (14) via conduits.

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