CN218991975U

CN218991975U - A kind of compressor

Info

Publication number: CN218991975U
Application number: CN202223048398.5U
Authority: CN
Inventors: 栾俊蕾; 宫晓; 王云; 王瑞芹
Original assignee: Vision Power Ltd
Current assignee: Vision Power Ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-05-09
Anticipated expiration: 2032-11-16

Abstract

The utility model provides a compressor, which comprises a shell, wherein an air inlet and an air outlet are respectively arranged at two ends of the shell, a first impeller and a second impeller for realizing air compression are respectively arranged on the air inlet and the air outlet, a gas flow passage is arranged in the shell, and air input by the first impeller of the air inlet is conveyed to the position of the second impeller of the air outlet through the gas flow passage and is output by the second impeller of the air outlet. According to the utility model, the high-temperature compressed gas can be cooled without an external cooler, the compressed gas is effectively cooled by introducing cooling water into the compressor, and meanwhile, the internal parts of the compressor can be cooled, so that the energy consumption is effectively saved, and the cooling efficiency is improved; according to the utility model, the external air cooler is combined with the compressor shell, the compressor is used for cooling the compressed air by self water cooling, the structure is simple and compact, and the installation space is effectively saved; the utility model has simple installation and low cost.

Description

A kind of compressor

Technical Field

The utility model relates to the technical field of compressor cooling, in particular to a compressor.

Background

The air separation device comprises a compressor, a power device and an air cooler matched with the power device, and the integration and high efficiency requirements of the air separation device are higher and higher in industrial production. The compressed air is high-temperature high-pressure gas, and the compressed air generated in the compressor in the prior art is cooled by an external cooler, so that the problems of large occupied area and low space utilization rate exist, and the integrated level of the matched cooler and the compressor serving as important components of the air separation device needs to be further improved in design, so that the installation space and the manufacturing cost are reduced.

Disclosure of Invention

The utility model provides a compressor, which comprises the following specific embodiments:

the utility model provides a compressor, includes the casing, and the casing both ends are provided with air intake and air outlet respectively, are provided with first impeller and the second impeller that realizes air compression on air intake and the air outlet respectively, are provided with the gas runner in the casing, and the air through the first impeller of air intake input is carried to air outlet second impeller position through the gas runner to export through air outlet second impeller, still be provided with the cooling medium passageway in the casing, there is the heat exchange region between cooling medium passageway and the gas runner.

Further, the cooling medium passage has a heat exchange area with the compressor element inside the casing.

Further, the cooling medium channel is closely attached to the inner wall of the casing, and the heat exchange area between the cooling medium channel and the compressor part inside the casing is the physical contact position between the compressor part inside the casing and the inner wall of the casing.

Further, the cooling medium channel is arranged between the gas flow channel and the inner wall of the shell.

Further, the compressor component comprises a stator and a rotor and a rotating shaft driven by the stator and the rotor, two ends of the rotating shaft are respectively in power connection with the first impeller of the air inlet and the second impeller of the air outlet, the first impeller of the air inlet and the second impeller of the air outlet are respectively driven by the rotating shaft to rotate, and corresponding parts of the stator and the rotor are in butt joint with the inner wall of the shell.

Further, a volute is arranged on the shell and corresponds to the air outlet, and the volute is communicated with the air outlet.

Further, the shell is provided with a liquid inlet and a liquid outlet respectively, and the liquid inlet and the liquid outlet are communicated with the cooling medium channel.

Further, the liquid inlet and the liquid outlet are respectively arranged on the tail part and the head part of the shell corresponding to the two ends of the gas flow channel.

Further, the cooling medium in the cooling medium channel is a cooling liquid.

By adopting the technical scheme, the utility model has the beneficial technical effects that:

1. according to the utility model, the high-temperature compressed gas can be cooled without an external cooler, the compressed gas is effectively cooled by introducing cooling water into the compressor, and meanwhile, the internal parts of the compressor can be cooled, so that the energy consumption is effectively saved, and the cooling efficiency is improved;

2. according to the utility model, the external air cooler is combined with the compressor shell, the compressor is used for cooling the compressed air by self water cooling, the structure is simple and compact, and the installation space is effectively saved;

3. the utility model has simple installation and low cost.

Drawings

FIG. 1 is a cross-sectional view of a compressor according to the present utility model;

FIG. 2 is a schematic view of a compressor according to the present utility model;

reference numerals illustrate:

1. the air inlet, 2, the first impeller, 3, the casing, 4, the pivot, 5, the iron core, 6, the winding, 7, the inlet, 8, the spiral case, 9, the second impeller, 10, the liquid outlet, 11, the gas runner, 12, cooling medium passageway.

Detailed Description

The following describes specific embodiments of the utility model with reference to the drawings and examples:

it should be noted that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims.

Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Embodiment 1, with reference to fig. 1 and fig. 2, this embodiment provides a compressor, including casing 3, casing 3 both ends are provided with air intake 1 and air outlet respectively, be provided with first impeller 2 and second impeller 9 that realize air compression on air intake 1 and the air outlet respectively, be provided with gas runner 11 in the casing 3, the air that is input through air intake 1 first impeller 2 carries to air outlet second impeller 9 positions through gas runner 11, and export through air outlet second impeller 9, still be provided with cooling medium passageway 12 in the casing 3, there is the heat exchange area between cooling medium passageway 12 and the gas runner 11. In the prior art, heat generated by the compressor in working is large, heat needs to be dissipated timely, the cooling medium is introduced into the cooling medium channel 12 to cool the internal parts of the compressor through the cooling medium channel 12, when the compressor cooling system works, air is sucked and compressed by the first impeller 2 of the air inlet 1 to output high-temperature compressed air, the output high-temperature compressed air flows into the air flow channel and then exchanges heat with the cooling medium in the cooling medium channel 12, the cooled compressed air flows out after being compressed again through the second impeller 9 of the air outlet, the low-temperature compressed air is output, the compressed air is cooled by the self cooling of the compressor, and the compressed air is cooled while the compressor is cooled, so that energy consumption is saved.

Preferably, the cooling medium in the cooling medium channel 12 is a cooling liquid, and the cooling liquid may be cooling water or cooling oil.

In particular, the cooling medium passage 12 has a heat exchange area with the compressor element inside the casing 3. The cooling medium channel 12 is arranged close to the inner wall of the casing 3, and the heat exchange area between the cooling medium channel 12 and the compressor component inside the casing 3 is the physical contact position between the compressor component inside the casing 3 and the inner wall of the casing 3. The heat generated by the internal parts of the compressor can exchange heat with the cooling water introduced into the cooling medium channel 12, so as to cool the internal parts of the compressor.

The cooling medium passage 12 is provided between the gas flow passage 11 and the inner wall of the casing 3. The heat exchange area formed by the gas flow passage 11 and the cooling medium passage 12 is utilized, so that the high-temperature compressed air in the gas flow passage 11 exchanges heat with the cooling water flowing in the cooling medium passage 12, the high-temperature compressed air in the gas flow passage 11 is cooled, the high-temperature compressed air is effectively cooled, an external cooler is not needed, and the installation space is saved.

As another specific embodiment, the compressor component includes a stator and a rotor and a rotating shaft 4 driven by the stator and the rotor, two ends of the rotating shaft 4 are respectively in power connection with a first impeller 2 of the air inlet 1 and a second impeller 9 of the air outlet, the first impeller 2 of the air inlet 1 and the second impeller 9 of the air outlet are respectively driven by the rotating shaft 4 to rotate, and corresponding parts of the stator and the rotor are in butt joint with the inner wall of the casing 3. The stator and the rotor comprise windings 6 and an iron core 5, and the iron core 5 is abutted with the inner wall of the shell 3. When the compressor works, the rotating shaft 4 starts to rotate, the rotating shaft 4 drives the first impeller 2 of the air inlet 1 and the second impeller 9 of the air outlet to rotate, air enters from the air inlet 1 and is introduced into the air flow passage 11 through the first impeller 2, the air enters from the air inlet 1 to be sucked and compressed by the first impeller 2, high-temperature compressed air is output, the output high-temperature compressed air flows into the air flow passage 11 and then exchanges heat with cooling water in the cooling medium passage 12, the cooled compressed air flows out after being compressed again through the second impeller 9, and low-temperature compressed air is output, so that the purpose of cooling the high-temperature compressed air is achieved.

Specifically, a volute 8 is arranged on the casing 3, the volute 8 is arranged corresponding to the air outlet, and the volute 8 is communicated with the air outlet. Air enters from the air inlet 1 and is introduced into the air flow channel 11 through the first impeller 2, the air enters from the air inlet 1 and is sucked and compressed by the first impeller 2, high-temperature compressed air is output, the output high-temperature compressed air flows into the air flow channel 11 and then exchanges heat with cooling water in the cooling medium channel 12, the cooled compressed air flows through the second impeller 9 and is compressed again and then flows out of the volute 8, and low-temperature compressed air is output, so that the purpose of cooling the high-temperature compressed air is achieved.

The shell 3 is respectively provided with a liquid inlet 7 and a liquid outlet 10, and the liquid inlet 7 and the liquid outlet 10 are communicated with a cooling medium channel 12. When the compressor works, cooling water enters the cooling medium channel 12 through the liquid inlet 7, and the cooling water is discharged from the liquid outlet 10 after passing through the cooling medium channel 12.

The liquid inlet 7 and the liquid outlet 10 are respectively arranged on the tail part and the head part of the shell 3 corresponding to the two ends of the gas flow channel 11. The cooling water after heat exchange enters from the tail part of the compressor shell 3 and flows out from the head part, the cooling water passes through the shell 3 to take away the heat generated by the rotating shaft 4, the iron core 5 and the winding 6, so that the effective cooling of the compressor is realized, and the cooling effect of the cooling water on the compressor is further improved.

The working principle of the utility model is as follows: when the compressor works, cooling water enters the cooling medium channel 12 through the liquid inlet 7, the cooling water is discharged from the liquid outlet 10 after passing through the cooling medium channel 12, so that the cooling water circulates, the cooling water passes through the shell 3, heat generated by the iron core 5 and the winding 6 is taken away, the compressor is effectively cooled, meanwhile, air enters the air inlet 1 and is sucked and compressed by the first impeller 2, high-temperature compressed air is output, the output high-temperature compressed air flows into the air flow channel 11 and then exchanges heat with the cooling water in the cooling medium channel 12, the cooled compressed air flows out of the volute 8 after being compressed again through the second impeller 9, the low-temperature compressed air is output, the compressed air is cooled by the compressor, the compressed air is cooled while being cooled, and an external cooler is omitted, so that the installation space is saved.

Many other changes and modifications may be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides a compressor, its characterized in that, includes casing (3), casing (3) both ends are provided with air intake (1) and air outlet respectively, be provided with first impeller (2) and second impeller (9) that realize air compression on air intake (1) and the air outlet respectively, be provided with gas runner (11) in casing (3), the air through air intake (1) first impeller (2) input carries air outlet second impeller (9) position through gas runner (11) to export through air outlet second impeller (9), still be provided with cooling medium passageway (12) in casing (3), there is the heat exchange area between cooling medium passageway (12) and gas runner (11).

2. A compressor according to claim 1, wherein the cooling medium channel (12) has a heat exchange area with compressor elements inside the casing (3).

3. A compressor according to claim 2, wherein the cooling medium channel (12) is arranged close to the inner wall of the casing (3), and the heat exchange area between the cooling medium channel (12) and the compressor element inside the casing (3) is the position where the compressor element inside the casing (3) is in physical contact with the inner wall of the casing (3).

4. A compressor according to claim 1, wherein the cooling medium channel (12) is arranged between the gas flow channel (11) and the inner wall of the housing (3).

5. A compressor according to claim 3, wherein the compressor part comprises a stator and a rotor and a rotating shaft (4) driven by the stator and the rotor, two ends of the rotating shaft (4) are respectively in power connection with a first impeller (2) of the air inlet (1) and a second impeller (9) of the air outlet, the first impeller (2) of the air inlet (1) and the second impeller (9) of the air outlet are respectively driven by the rotating shaft (4) to rotate, and corresponding parts of the stator and the rotor are in butt joint with the inner wall of the casing (3).

6. A compressor according to claim 1, wherein a volute (8) is arranged on the casing (3), the volute (8) is arranged corresponding to the air outlet, and the volute (8) is communicated with the air outlet.

7. A compressor according to claim 1, wherein the casing (3) is provided with a liquid inlet (7) and a liquid outlet (10), respectively, and both the liquid inlet (7) and the liquid outlet (10) are in communication with the cooling medium channel (12).

8. The compressor of claim 7, wherein the liquid inlet (7) and the liquid outlet (10) are respectively arranged on the tail part and the head part of the casing (3) corresponding to two ends of the gas flow channel (11).

9. A compressor according to claim 1, characterized in that the cooling medium in the cooling medium channel (12) is a cooling liquid.