CN219012872U - Cooling system of dry screw compressor - Google Patents
Cooling system of dry screw compressor Download PDFInfo
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- CN219012872U CN219012872U CN202222856698.XU CN202222856698U CN219012872U CN 219012872 U CN219012872 U CN 219012872U CN 202222856698 U CN202222856698 U CN 202222856698U CN 219012872 U CN219012872 U CN 219012872U
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Abstract
The utility model discloses a cooling system of a dry screw compressor, wherein a primary compressor comprises a primary motor and a primary host connected with the primary motor, the primary motor comprises a primary motor main body and a primary motor shell which is sealed around the periphery of the primary motor main body, a primary motor cooling cavity is formed between the primary motor main body and the primary motor shell in a surrounding manner, the primary host comprises a primary host main body and a primary host shell which is sealed around the periphery of the primary host main body, and a primary host cooling cavity is formed between the primary host shell and the primary host main body in a surrounding manner; the cooling pipeline is sequentially communicated with the water suction pump, the first-stage motor cooling cavity, the first-stage main engine cooling cavity and the cooler and then flows back to the water tank to form a circulating cooling water path. The primary host and the primary motor are uniformly cooled, a cooled circulation loop is formed, the pipeline installation is reduced, an external water source is not needed, the cooling water can be recycled, and the waste is reduced. The whole cooling structure is simplified, and the cooling cost is greatly reduced.
Description
Technical Field
The present utility model relates to a cooling system for a dry screw compressor.
Background
The existing cooling system of the dry screw compressor is provided with a cooling structure for cooling the motor and the host separately, but two cooling systems are needed, and the motor is usually in an air cooling structure, so that the noise is large and the heat dissipation effect is poor; the host adopts externally introduced cooling medium, so that the pipeline structure is increased, the manufacturing cost is high, the number of leakage points is increased, and environmental pollution is easy to occur.
Disclosure of Invention
The utility model provides a cooling system of a dry screw compressor, which overcomes the defects in the prior art. One of the technical schemes adopted for solving the technical problems is as follows:
the cooling system of the dry screw compressor comprises a water tank, a water pump, a first-stage compressor, a cooler and a cooling pipeline, wherein the water pump is connected with the water tank, the first-stage compressor comprises a first-stage motor and a first-stage host connected with the first-stage motor, the first-stage motor comprises a first-stage motor main body and a first-stage motor shell which is sealed and encircling the periphery of the first-stage motor main body, a first-stage motor cooling cavity is formed between the first-stage motor main body and the first-stage motor shell in a surrounding manner, the first-stage host comprises a first-stage host main body and a first-stage host shell which is sealed and encircling the periphery of the first-stage host main body, and a first-stage host cooling cavity is formed between the first-stage host shell and the first-stage host main body in a surrounding manner;
the cooling pipeline is sequentially communicated with the water suction pump, the first-stage motor cooling cavity, the first-stage main engine cooling cavity and the cooler and then flows back to the water tank to form a circulating cooling water path.
The second technical scheme adopted by the utility model for solving the technical problems is as follows:
the cooling system of the dry screw compressor comprises a water tank, a water pump, a first-stage compressor, a second-stage compressor, a cooler and a cooling pipeline, wherein the water pump is connected with the water tank, the first-stage compressor comprises a first-stage motor and a first-stage host connected with the first-stage motor, the first-stage motor comprises a first-stage motor main body and a first-stage motor shell which is sealed and encircling the periphery of the first-stage motor main body, a first-stage motor cooling cavity is formed between the first-stage motor main body and the first-stage motor shell in a surrounding manner, the first-stage host comprises a first-stage host main body and a first-stage host shell which is sealed and encircling the periphery of the first-stage host main body, and a first-stage host cooling cavity is formed between the first-stage host shell and the first-stage host main body in a surrounding manner; the secondary compressor comprises a secondary motor and a secondary host connected with the secondary motor, the secondary motor comprises a secondary motor main body and a secondary motor shell which is sealed around the periphery of the secondary motor main body, a secondary motor cooling cavity is formed between the secondary motor main body and the secondary motor shell in a surrounding mode, the secondary host comprises a secondary host main body and a secondary host shell which is sealed around the periphery of the secondary host main body, and a secondary host cooling cavity is formed between the secondary host shell and the secondary host main body in a surrounding mode;
the cooling pipeline is sequentially communicated with the water suction pump, the first-stage motor cooling cavity, the second-stage motor cooling cavity, the first-stage main engine cooling cavity, the second-stage main engine cooling cavity and the cooler and then flows back to the water tank to form a circulating cooling water path.
In a preferred embodiment: the primary motor cooling cavity is provided with a primary motor liquid inlet and a primary motor liquid outlet, and the primary motor liquid inlet and the primary motor liquid outlet are both positioned at the top end of the primary motor.
In a preferred embodiment: the primary host cooling cavity is provided with a primary host liquid inlet and a primary host liquid outlet, and the primary host liquid inlet and the primary host liquid outlet are both positioned at the top end of the primary host.
In a preferred embodiment: the secondary motor cooling cavity is provided with a secondary motor liquid inlet and a secondary motor liquid outlet, and the secondary motor liquid inlet and the secondary motor liquid outlet are both positioned at the top end of the secondary motor.
In a preferred embodiment: the secondary host cooling cavity is provided with a secondary host liquid inlet and a secondary host liquid outlet, and the secondary host liquid inlet and the secondary host liquid outlet are both positioned at the top end of the secondary host.
In a preferred embodiment: the cooling system further includes a pressure sensor mounted on the cooling line between the suction pump and the primary motor cooling chamber.
In a preferred embodiment: the cooling system further includes a temperature sensor mounted on the cooling line between the cooler and the water tank.
Compared with the background technology, the technical proposal has the following advantages:
1. when the cooling system only has the one-stage compressor or has the one-stage compressor and the two-stage compressor simultaneously, the one-stage host machine and the one-stage motor can be uniformly cooled, or the one-stage host machine, the one-stage motor, the two-stage host machine and the two-stage motor are uniformly cooled, and a cooled circulation loop is formed, so that the pipeline installation is reduced, an external water source is not required, the cooling water can be recycled, and the resource waste is reduced. The whole cooling structure is simplified, and the cooling cost is greatly reduced. And because the motor temperature rise is lower and the host temperature rise is higher, the primary motor and the secondary motor are cooled firstly, and then the primary host and the secondary host are cooled, so that the cooling effect is improved.
2. The liquid inlet of the primary motor and the liquid outlet of the primary motor are both positioned at the top end of the primary motor, namely, the cooling cavity of the primary motor adopts a liquid inlet mode of upper inlet and upper outlet, so that cooling water is ensured to be arranged in the cooling cavity of the primary motor when the primary motor is started, and water in the cavity is circulated at a higher speed.
3. The liquid inlet of the primary host and the liquid outlet of the primary host are both positioned at the top end of the primary host, namely, the cooling cavity of the primary host adopts a liquid inlet mode of upper inlet and upper outlet, so that cooling water is ensured to be arranged in the cooling cavity of the primary host when the primary host is started, and water in the cavity is circulated at a higher speed.
4. The liquid inlet of the secondary motor and the liquid outlet of the secondary motor are both positioned at the top end of the secondary motor, and the liquid inlet of the secondary host and the liquid outlet of the secondary host are both positioned at the top end of the secondary host, namely, cooling water is always arranged in the cooling cavity of the secondary motor and the cooling cavity of the secondary host, and the secondary motor and the secondary host can be rapidly cooled during starting.
5. The pressure sensor can detect the water pressure pumped by the water pump so as to detect the working performance of the water pump in real time.
6. The temperature sensor can detect the temperature of the cooling water after passing through the cooler so as to detect the temperature of the cooling water in real time.
Drawings
The utility model is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the working flow of a cooling system of a dry screw compressor according to a preferred embodiment.
Fig. 2 is a schematic perspective view showing a cooling system of a dry screw compressor according to a preferred embodiment.
Fig. 3 is a schematic front view of a cooling system of a dry screw compressor according to a preferred embodiment.
FIG. 4 is a schematic cross-sectional view of a primary motor according to a preferred embodiment.
FIG. 5 is a schematic cross-sectional view of a primary host according to a preferred embodiment.
Detailed Description
In the claims, specification and drawings hereof, unless explicitly defined otherwise, the terms "first," "second," or "third," etc. are used for distinguishing between different objects and not for describing a particular sequential order.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, references to orientation or positional relationship such as the terms "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "clockwise", "counterclockwise", etc. are based on the orientation and positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a particular orientation or be constructed and operated in a particular orientation, nor should it be construed as limiting the particular scope of the utility model.
In the claims, specification and drawings of the present utility model, unless explicitly defined otherwise, the terms "fixedly attached" and "fixedly attached" are to be construed broadly as any manner of connection without any positional or rotational relationship between the two, i.e. including non-removable, fixed, integrally connected, and fixedly connected by other means or elements.
In the claims, specification and drawings of the present utility model, the terms "comprising," having, "and variations thereof as used herein, are intended to be" including but not limited to.
Referring to fig. 1 to 5, a preferred embodiment of a cooling system of a dry screw compressor, which includes a water tank 10, a water pump 20, a primary compressor 30, a secondary compressor 40, a cooler 50, and a cooling line, is described.
The suction pump 20 is connected to the water tank 10. As shown in fig. 1, the water pump is immersed, that is, the water pump is directly arranged on the water tank and the bottom end of the water pump extends into the water tank, so that the length of a cooling pipeline can be reduced, the cost is saved, the leakage risk is avoided, and the whole structure is more compact.
The primary compressor 30 includes a primary motor 60 and a primary host 70 connected to the primary motor 60.
As shown in fig. 4, the primary motor 60 includes a primary motor body 61 and a primary motor housing 62 hermetically surrounding the outer periphery of the primary motor body 61, and a primary motor cooling chamber 63 is defined between the primary motor body 61 and the primary motor housing 62. As shown in fig. 5, the primary host 70 includes a primary host body 71 and a primary host housing 72 sealed around the outer periphery of the primary host body 71, and a primary host cooling chamber 73 is defined between the primary host housing 72 and the primary host body 71.
In this embodiment, the primary motor cooling cavity 63 is provided with a primary motor liquid inlet 64 and a primary motor liquid outlet 65, and the primary motor liquid inlet 64 and the primary motor liquid outlet 65 are both located at the top end of the primary motor 60. The primary host cooling cavity 73 is provided with a primary host liquid inlet 74 and a primary host liquid outlet 75, and the primary host liquid inlet 74 and the primary host liquid outlet 75 are both positioned at the top end of the primary host 70.
The structure of the secondary compressor 40 is the same as that of the primary compressor 30, and the secondary compressor comprises a secondary motor 80 and a secondary host 90 connected with the secondary motor 80, wherein the secondary motor 80 comprises a secondary motor main body and a secondary motor shell which is sealed around the periphery of the secondary motor main body, a secondary motor cooling cavity is formed between the secondary motor main body and the secondary motor shell, the secondary host 90 comprises a secondary host main body and a secondary host shell which is sealed around the periphery of the secondary host main body, and a secondary host cooling cavity is formed between the secondary host shell and the secondary host main body.
In this embodiment, second motor cooling chamber is equipped with second motor inlet and second motor liquid outlet, second motor inlet and second motor liquid outlet all are located second motor top department. The secondary host cooling cavity is provided with a secondary host liquid inlet and a secondary host liquid outlet, and the secondary host liquid inlet and the secondary host liquid outlet are both positioned at the top end of the secondary host.
The cooling pipeline is sequentially communicated with the water suction pump 20, the first-stage motor cooling cavity 63, the second-stage motor cooling cavity, the first-stage main engine cooling cavity 73, the second-stage main engine cooling cavity and the cooler 50 and then flows back to the water tank 10 to form a circulating cooling water path. Specifically, as shown in fig. 1, the cooling pipeline includes a first cooling pipe 11, a second cooling pipe 12, a third cooling pipe 13, a fourth cooling pipe 14, a fifth cooling pipe 15, and a sixth cooling pipe 16, where the first cooling pipe 11 is connected to the water pump 20 and the primary motor liquid inlet 64, the second cooling pipe 12 is connected to the primary motor liquid outlet 65 and the secondary motor liquid inlet 74, the third cooling pipe 13 is connected to the secondary motor liquid outlet and the primary host liquid inlet 74, the fourth cooling pipe 14 is connected to the primary host liquid outlet 75 and the secondary host liquid inlet, the fifth cooling pipe 15 is connected to the secondary host liquid outlet and the cooler 50, and the sixth cooling pipe 16 is connected to the cooler 50 and the water tank 10.
In this embodiment, the cooling system further includes a pressure sensor 17, and the pressure sensor 17 is installed on the cooling line between the water pump 20 and the primary motor cooling chamber 63. Specifically, the pressure sensor 17 is mounted on the first cooling pipe 11.
In this embodiment, the cooling system further comprises a temperature sensor 18, which temperature sensor 18 is mounted on the cooling line between the cooler 50 and the water tank 10. Specifically, the temperature sensor 18 is mounted on the sixth cooling pipe 16.
In another embodiment of the cooling system of the dry screw compressor, comprising only a primary compressor, no secondary compressor is provided, in particular:
the cooling device comprises a water tank, a water pump, a first-stage compressor, a cooler and a cooling pipeline, wherein the water pump is connected with the water tank, the first-stage compressor comprises a first-stage motor and a first-stage host connected with the first-stage motor, the first-stage motor comprises a first-stage motor main body and a first-stage motor shell which is sealed and encircling the periphery of the first-stage motor main body, a first-stage motor cooling cavity is formed between the first-stage motor main body and the first-stage motor shell in an encircling manner, the first-stage host comprises a first-stage host main body and a first-stage host shell which is sealed and encircling the periphery of the first-stage host main body, and a first-stage host cooling cavity is formed between the first-stage host shell and the first-stage host main body in an encircling manner; the cooling pipeline is sequentially communicated with the water suction pump, the first-stage motor cooling cavity, the first-stage main engine cooling cavity and the cooler and then flows back to the water tank to form a circulating cooling water path.
When the cooling system only has the primary compressor or the primary compressor 30 and the secondary compressor 40, the primary host and the primary motor are uniformly cooled, or the primary host 70, the primary motor 60, the secondary host 90 and the secondary motor 80 are uniformly cooled, and a cooling circulation loop is formed, so that the service life of the motor can be prolonged, the cooling efficiency can be improved, the whole cooling structure is simplified, and the cooling cost is greatly reduced. And because the motor temperature rise is lower and the host temperature rise is higher, the primary motor and the secondary motor are cooled firstly, and then the primary host and the secondary host are cooled, so that the cooling effect is improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and therefore should not be taken as limiting the scope of the utility model, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (8)
1. A cooling system for a dry screw compressor, characterized by: the cooling device comprises a water tank, a water pump, a first-stage compressor, a cooler and a cooling pipeline, wherein the water pump is connected with the water tank, the first-stage compressor comprises a first-stage motor and a first-stage host connected with the first-stage motor, the first-stage motor comprises a first-stage motor main body and a first-stage motor shell which is sealed and encircling the periphery of the first-stage motor main body, a first-stage motor cooling cavity is formed between the first-stage motor main body and the first-stage motor shell in an encircling manner, the first-stage host comprises a first-stage host main body and a first-stage host shell which is sealed and encircling the periphery of the first-stage host main body, and a first-stage host cooling cavity is formed between the first-stage host shell and the first-stage host main body in an encircling manner;
the cooling pipeline is sequentially communicated with the water suction pump, the first-stage motor cooling cavity, the first-stage main engine cooling cavity and the cooler and then flows back to the water tank to form a circulating cooling water path.
2. A cooling system for a dry screw compressor, characterized by: the cooling device comprises a water tank, a water pump, a first-stage compressor, a second-stage compressor, a cooler and a cooling pipeline, wherein the water pump is connected with the water tank, the first-stage compressor comprises a first-stage motor and a first-stage host connected with the first-stage motor, the first-stage motor comprises a first-stage motor main body and a first-stage motor shell which is sealed and encircling the periphery of the first-stage motor main body, a first-stage motor cooling cavity is formed between the first-stage motor main body and the first-stage motor shell in an encircling mode, the first-stage host comprises a first-stage host main body and a first-stage host shell which is sealed and encircling the periphery of the first-stage host main body, and a first-stage host cooling cavity is formed between the first-stage host shell and the first-stage host main body in an encircling mode; the secondary compressor comprises a secondary motor and a secondary host connected with the secondary motor, the secondary motor comprises a secondary motor main body and a secondary motor shell which is sealed around the periphery of the secondary motor main body, a secondary motor cooling cavity is formed between the secondary motor main body and the secondary motor shell in a surrounding mode, the secondary host comprises a secondary host main body and a secondary host shell which is sealed around the periphery of the secondary host main body, and a secondary host cooling cavity is formed between the secondary host shell and the secondary host main body in a surrounding mode;
the cooling pipeline is sequentially communicated with the water suction pump, the first-stage motor cooling cavity, the second-stage motor cooling cavity, the first-stage main engine cooling cavity, the second-stage main engine cooling cavity and the cooler and then flows back to the water tank to form a circulating cooling water path.
3. A cooling system of a dry screw compressor according to claim 1 or 2, characterized in that: the primary motor cooling cavity is provided with a primary motor liquid inlet and a primary motor liquid outlet, and the primary motor liquid inlet and the primary motor liquid outlet are both positioned at the top end of the primary motor.
4. A cooling system of a dry screw compressor according to claim 1 or 2, characterized in that: the primary host cooling cavity is provided with a primary host liquid inlet and a primary host liquid outlet, and the primary host liquid inlet and the primary host liquid outlet are both positioned at the top end of the primary host.
5. A cooling system for a dry screw compressor as set forth in claim 2 wherein: the secondary motor cooling cavity is provided with a secondary motor liquid inlet and a secondary motor liquid outlet, and the secondary motor liquid inlet and the secondary motor liquid outlet are both positioned at the top end of the secondary motor.
6. A cooling system for a dry screw compressor as set forth in claim 2 wherein: the secondary host cooling cavity is provided with a secondary host liquid inlet and a secondary host liquid outlet, and the secondary host liquid inlet and the secondary host liquid outlet are both positioned at the top end of the secondary host.
7. A cooling system of a dry screw compressor according to claim 1 or 2, characterized in that: the cooling system further includes a pressure sensor mounted on the cooling line between the suction pump and the primary motor cooling chamber.
8. A cooling system of a dry screw compressor according to claim 1 or 2, characterized in that: the cooling system further includes a temperature sensor mounted on the cooling line between the cooler and the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856698.XU CN219012872U (en) | 2022-10-28 | 2022-10-28 | Cooling system of dry screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222856698.XU CN219012872U (en) | 2022-10-28 | 2022-10-28 | Cooling system of dry screw compressor |
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| Publication Number | Publication Date |
|---|---|
| CN219012872U true CN219012872U (en) | 2023-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222856698.XU Active CN219012872U (en) | 2022-10-28 | 2022-10-28 | Cooling system of dry screw compressor |
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| Country | Link |
|---|---|
| CN (1) | CN219012872U (en) |
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- 2022-10-28 CN CN202222856698.XU patent/CN219012872U/en active Active
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