Compressor integrating refrigeration and compression functions

Abstract

The utility model discloses a compressor integrating refrigeration and compression functions, which belongs to the technical field of compression and refrigeration equipment and comprises a main shaft connected with a driving component and a gear box, and a driving gear is arranged in the gear box. An air outlet of the previous stage of compression volute and an air inlet of the next stage of compression volute are communicated with the compression cooler; a first flow adjusting assembly is arranged at the foremost stage of compression volute; the refrigerating volute is communicated with a refrigerating cooler, the refrigerating cooler is communicated with an evaporator, and the evaporator is communicated with the refrigerating volute; a refrigerant pipeline is arranged in the evaporator; a second flow adjusting assembly is arranged at the refrigerating volute; the main shaft can drive the impellers in the compression volute and the refrigeration volute to rotate at the same time to compress two media respectively, the multiple stages of compression volutes are matched with the compression cooler to output compressed products, and the refrigeration volute is matched with the refrigeration cooler and the evaporator to output refrigeration products.

Description

Technical Field

[0001] The utility model relates to the technical field of compression and refrigeration equipment, in particular to a compressor integrating refrigeration and compression functions. Background Art

[0002] A centrifugal compressor is a kind of power machinery, whose main function is to compress gas and increase the gas pressure; a centrifugal refrigerator is a kind of refrigeration equipment, which uses the principle of centrifugal compression to increase the pressure of the refrigerant, and then evaporates the refrigerant through the evaporator to achieve the purpose of refrigeration.

[0003] Although centrifugal refrigerators and centrifugal chillers have certain similarities in structure, the functions they perform are completely different. At present, in some production activities, both types of equipment need to be used at the same time, which involves the coordination, selection, production and layout of the two types of equipment, resulting in many inconveniences and additional investments.

[0004] Therefore, developing and designing a compressor that integrates refrigeration and compression functions and can compress two media at the same time during operation and output compressed products and refrigeration products at the same time is a problem that needs to be solved urgently at this stage. Utility Model Content

[0005] In order to solve the problems existing in the prior art, the utility model provides a compressor which integrates refrigeration and compression functions. The main shaft can simultaneously drive the impellers in the compression volute and the refrigeration volute to rotate through the driving gear in the gear box, and compress the two media respectively. Several stages of compression volutes cooperate with compression coolers to output compressed products, and the refrigeration volute cooperates with the refrigeration cooler and the evaporator to output refrigeration products. It is no longer necessary to consider the coordination problem between the centrifugal compressor and the centrifugal refrigerator, which reduces investment and saves energy consumption.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] The utility model provides a compressor integrating refrigeration and compression functions, comprising:

[0008] A main shaft, wherein the main shaft is connected to a driving assembly for driving the main shaft to rotate, and the main shaft is connected to a gear box, wherein the gear box is provided with a driving gear in driving connection with the main shaft;

[0009] A plurality of compression volutes are provided, a compression cooler is provided between the compression volute of the previous stage and the compression volute of the next stage, and the air outlet of the compression volute of the previous stage and the air inlet of the compression volute of the next stage are both connected to the compression cooler; a compression impeller is provided in the compression volute, and the plurality of compression volutes can perform graded compression on the medium; the compression impeller is connected to the driving gear in a transmission manner; a first flow regulating component is provided at the air inlet of the compression volute of the first stage;

[0010] A refrigeration volute, the air outlet of the refrigeration volute is connected to a refrigeration cooler, the refrigeration cooler is connected to an evaporator, the evaporator is connected to the refrigeration volute through an air inlet pipeline; a refrigerant pipeline is provided in the evaporator; a refrigeration impeller is provided in the refrigeration volute, and the refrigeration impeller is transmission-connected to the driving gear; a second flow regulating component is provided at the air inlet of the refrigeration volute.

[0011] As a preferred technical solution, the number of the compression volutes is three, and the three compression volutes are connected in sequence to form three-stage compression.

[0012] As a preferred technical solution, a refrigerant adding pipe is provided on the evaporator, and the refrigerant adding pipe is connected to the air intake pipeline.

[0013] As a preferred technical solution, the first flow regulating component and the second flow regulating component are both configured as air intake guide vanes.

[0014] As a preferred technical solution, the driving component is configured as a motor.

[0015] As a preferred technical solution, the refrigeration cooler is connected to the evaporator via a return pipe, and a throttle valve is provided on the return pipe.

[0016] As a preferred technical solution, the refrigeration cooler is connected to the evaporator via a return pipe, and a throttle valve is provided on the return pipe;

[0017] As a preferred technical solution, both ends of the refrigerant pipe extend out from the evaporator, and the two ends of the refrigerant pipe are respectively configured as a refrigerant inlet and a refrigerant outlet.

[0018] As a preferred technical solution, the compression medium passing through the compression volute and the refrigeration medium passing through the refrigeration volute are set to be the same or different.

[0019] As a preferred technical solution, the gas outlet of the last-stage compression volute is connected to a gas output pipeline.

[0020] As a preferred technical solution, a vent pipe is provided on the gas output pipe, and a vent valve is provided on the vent pipe.

[0021] The beneficial effects of the utility model are as follows:

[0022] The main shaft of the utility model can simultaneously drive the impellers in the compression volute and the refrigeration volute to rotate through the driving gear in the gear box, thereby compressing the two mediums respectively. Several stages of compression volutes cooperate with the compression cooler to output compression products, and the refrigeration volute cooperates with the refrigeration cooler and the evaporator to output refrigeration products. When the compression product and the refrigeration product need to be used at the same time, it is no longer necessary to consider the coordination problem between the centrifugal compressor and the centrifugal refrigerator, thereby reducing investment and saving energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a compressor integrating refrigeration and compression functions of the utility model;

[0024] Figure 2 for Figure 1 A top view of

[0025] Figure 3 for Figure 1 Schematic diagram of the structure from another perspective.

[0026] In the figure: 1-main shaft, 11-drive assembly, 12-gear box, 21-first stage compression volute, 22-first compression cooler, 23-second stage compression volute, 24-second compression cooler, 25-third stage compression volute, 26-first flow regulating assembly, 27-gas output pipeline, 28-vent pipeline, 29-vent valve, 31-refrigeration volute, 32-refrigeration cooler, 33-evaporator, 331-refrigerant inlet, 332-refrigerant outlet, 333-intake pipeline, 334-refrigerant addition pipe, 34-second flow regulating assembly, 35-refrigeration pipe, 36-throttle valve. DETAILED DESCRIPTION

[0027] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0028] Please refer to Figure 1-Figure 3 , is an embodiment of a compressor integrating refrigeration and compression functions provided by the utility model, comprising a main shaft 1, a three-stage compression volute (a first-stage compression volute 21, a second-stage compression volute 23 and a third-stage compression volute 25) and a refrigeration volute 31;

[0029] A first compression cooler 22 is provided between the first-stage compression volute 21 and the second-stage compression volute 23, and the air outlet of the first-stage compression volute 21 and the air inlet of the second-stage compression volute 23 are both connected to the first compression cooler 22 through a pipeline; a second compression cooler 24 is provided between the second-stage compression volute 23 and the third-stage compression volute 25, and the air outlet of the second-stage compression volute 23 and the air inlet of the third-stage compression volute 25 are both connected to the second compression cooler 24 through a pipeline; the compressed medium enters from the air inlet of the first-stage compression volute 21, passes through the first-stage compression volute 21, the first compression cooler 22, the second-stage compression volute 23, the second compression cooler 24 and the third-stage compression volute 25 in sequence, and is discharged from the exhaust port of the third-stage compression volute 25, so as to realize three-stage compression of the compressed medium and output the compressed product;

[0030] The air outlet of the refrigeration volute 31 is connected to the refrigeration cooler 32 through a pipeline, and the refrigeration cooler 32 is connected to the evaporator 33 through a pipeline. The evaporator 33 is connected to the air inlet of the refrigeration volute 31 through an air inlet pipeline 333, and a refrigerant pipeline is arranged in the evaporator 33; the refrigerant medium flows in a circulation path formed by the refrigeration volute 31, the refrigeration cooler 32 and the evaporator 33, and the refrigerant medium is compressed at the refrigeration volute 31, cooled at the refrigeration cooler 32, and heat-exchanged with the refrigerant at the evaporator 33, and the refrigerant after heat exchange is the output refrigeration product;

[0031] A compression impeller is provided in the compression volute, and a refrigeration impeller is provided in the refrigeration volute 31. The main shaft 1 is connected to a driving assembly 11 for driving it to rotate, and the main shaft 1 is respectively connected to the compression impeller and the refrigeration impeller through a driving gear in a gear box 12, which can drive the compression impeller and the refrigeration impeller to rotate at the same time, and can output compression products and refrigeration products at the same time.

[0032] In other embodiments, the compression volute may also be set to two stages or four stages.

[0033] For details, please refer to Figure 1-Figure 3 The driving component 11 is preferably configured as a motor, which drives the main shaft 1 to rotate; further, the main shaft 1 is respectively connected to the compression impeller and the refrigeration impeller through the driving gear in the gear box 12, and can drive multiple compression impellers and refrigeration impellers to rotate at the same time.

[0034] In this embodiment, please refer to Figure 1-Figure 3A first flow regulating component 26 is provided at the air inlet of the first-stage compression volute 21, and the first flow regulating component 26 is used to adjust the air inlet flow of the compression medium, thereby controlling the output amount of the compression product; similarly, a second flow regulating component 34 is provided at the air inlet of the refrigeration volute 31, and the second flow regulating component 34 is used to adjust the air inlet flow of the refrigeration medium, thereby controlling the output temperature or output amount of the refrigeration product; specifically, the first flow regulating component 26 and the second flow regulating component 34 are preferably set as air inlet guide vanes.

[0035] In this embodiment, please refer to Figure 1-Figure 3 The refrigeration cooler 32 and the evaporator 33 are connected through a return pipe 35, and a throttle valve 36 is provided on the return pipe 35. The throttle valve 36 can adjust the flow rate of the cooling medium in the refrigeration cooler 32 to the evaporator 33; both ends of the refrigerant pipe extend from the evaporator 33, and the two ends of the refrigerant pipe are respectively set as a refrigerant inlet 331 and a refrigerant outlet 332. After the refrigerant enters the refrigerant pipe from the refrigerant inlet 331 and exchanges heat with the refrigerant medium in the evaporator 33, it is discharged from the refrigerant outlet 332 and can be used as a refrigerant for other condensers.

[0036] Furthermore, a refrigerant adding pipe 334 is provided on the evaporator 33 , and the refrigerant adding pipe 334 is connected to the air inlet of the refrigeration volute 31 through the air inlet pipe 333 , and the refrigerant medium can enter the refrigeration volute 31 through the refrigerant adding pipe 334 and the air inlet pipe 333 .

[0037] It should be noted that, since the compression medium passing through the compression volute and the refrigeration medium passing through the refrigeration volute 31 will not affect each other, the same or different types of media can be selected according to actual needs.

[0038] In this embodiment, please refer to Figure 1-Figure 3 The gas outlet of the third-stage compression volute 25 is connected to a gas output pipeline 27 to facilitate the output of the compressed product; further, a vent pipeline 28 should be provided on the gas output pipeline 27, and a vent valve 29 is provided on the vent pipeline 28. The vent pipeline 28 is used to quickly discharge the compressed medium that may affect the normal operation of the utility model.

[0039] Please refer to Figure 1-Figure 3 , the specific working process of the utility model is as follows:

[0040] The compressed medium enters the first-stage compression volute 21 through the first flow regulating assembly 26 for compression, enters the second-stage compression volute 23 for compression after being cooled by the first compression cooler 22, enters the third-stage compression volute 25 for compression after being cooled by the second compression cooler 24, and the compressed product after the three-stage compression is discharged through the gas output pipeline 27;

[0041] At the same time, the refrigerant medium enters the refrigeration volute 31 through the second flow regulating component 34 for compression, and after being cooled by the refrigeration cooler 32, flows to the evaporator 33 through the return pipe 35 and the throttle valve 36. The refrigerant that flows into the refrigerant pipeline from the refrigerant inlet 331 is cooled by the refrigerant medium in the evaporator 33 and is discharged from the refrigerant outlet 332 to output the refrigeration product; the refrigerant medium in the evaporator 33 is heated up by heat exchange and can enter the refrigeration volute 31 again for compression through the second flow regulating component 34.

[0042] The utility model can produce compression products and refrigeration products at the same time.

[0043] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A compressor integrating refrigeration and compression functions, characterized in that: include: A main shaft (1), the main shaft (1) being connected to a driving assembly (11) for driving the main shaft (1) to rotate; the main shaft (1) being connected to a gear box (12), the gear box (12) being provided with a driving gear in driving connection with the main shaft (1); A plurality of compression volutes, a compression cooler is provided between the compression volute of the previous stage and the compression volute of the next stage, the air outlet of the compression volute of the previous stage and the air inlet of the compression volute of the next stage are both connected to the compression cooler; a compression impeller is provided in the compression volute, and the compression impeller is transmission-connected to the driving gear; a first flow regulating component (26) is provided at the air inlet of the compression volute of the first stage; A refrigeration volute (31), wherein the air outlet of the refrigeration volute (31) is connected to a refrigeration cooler (32), the refrigeration cooler (32) is connected to an evaporator (33), and the evaporator (33) is connected to the refrigeration volute (31) via an air inlet pipeline (333); a refrigerant pipeline is provided in the evaporator (33); a refrigeration impeller is provided in the refrigeration volute (31), and the refrigeration impeller is transmission-connected to the driving gear; and a second flow regulating component (34) is provided at the air inlet of the refrigeration volute (31).

2. A compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The number of compression volutes is three, and the three compression volutes are connected in sequence to form three-stage compression.

3. A compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The evaporator (33) is provided with a refrigerant adding pipe (334), and the refrigerant adding pipe (334) is in communication with the air intake pipeline (333).

4. A compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The first flow regulating component (26) and the second flow regulating component (34) are both configured as air intake guide vanes.

5. A compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The driving component (11) is configured as a motor.

6. A compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The refrigeration cooler (32) is connected to the evaporator (33) via a return pipe (35), and a throttle valve (36) is provided on the return pipe (35).

7. A compressor integrating refrigeration and compression functions according to claim 1, characterized in that: Both ends of the refrigerant pipe extend out from the evaporator (33), and the two ends of the refrigerant pipe are respectively configured as a refrigerant inlet (331) and a refrigerant outlet (332).

8. The compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The compression medium passing through the compression volute and the refrigeration medium passing through the refrigeration volute (31) are set to be the same or different.

9. The compressor integrating refrigeration and compression functions according to claim 1, characterized in that: The gas outlet of the last stage compression volute is connected to a gas output pipeline (27).

10. A compressor integrating refrigeration and compression functions according to claim 9, characterized in that: The gas output pipeline (27) is provided with a vent pipeline (28), and the vent pipeline (28) is provided with a vent valve (29).

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