CN214577778U

CN214577778U - Compressor system for gas separation

Info

Publication number: CN214577778U
Application number: CN202120510654.4U
Authority: CN
Inventors: 赵旭辉; 何毅; 张志华; 沙宏磊; 俞天野; 洪申平; 孙吉松; 孟翠; 邢磊; 沙佩亮; 孙启正
Original assignee: Esurging (tianjin) Technology Co ltd
Current assignee: Esurging (tianjin) Technology Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-02
Anticipated expiration: 2031-03-10

Abstract

The utility model relates to the technical field of air separation, especially, relate to a compressor system for gas separation, it includes motor, first impeller and second impeller, first impeller is fixed to be set up on one end of the output shaft of motor, the second impeller is fixed to be set up on the other end of the output shaft of motor, first impeller with the motor constitutes the air-blower, the second impeller with the motor constitutes the vacuum pump; the first control pipeline is communicated with the air inlet of the first adsorption tower, the air inlet of the second adsorption tower and the air outlet of the blower; and the second control pipeline is communicated with the air inlet of the first adsorption tower, the air inlet of the second adsorption tower and the air inlet of the vacuum pump. The utility model discloses can reduce the space and occupy, reduce the energy consumption.

Description

Compressor system for gas separation

Technical Field

The utility model relates to an air separation technical field especially relates to a compressor system for gas separation.

Background

The conventional power equipment in the air separation industry mainly adopts a roots type blower and a roots type vacuum pump, and in recent years, a centrifugal compressor begins to be applied in the gas separation industry. However, at present, whether the roots type equipment or the compressor is used as power equipment for gas separation, two pieces of equipment are needed, one is a blower, the other is a vacuum pump, and smooth air separation can be ensured.

Therefore, a compressor system for gas separation is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor system for gas separation can reduce the space and occupy, reduces the energy consumption.

To achieve the purpose, the utility model adopts the following technical proposal:

a compressor system for gas separation, comprising:

the first impeller is fixedly arranged at one end of an output shaft of the motor, the second impeller is fixedly arranged at the other end of the output shaft of the motor, the first impeller and the motor form a blower, and the second impeller and the motor form a vacuum pump;

the first control pipeline is communicated with the air inlet of the first adsorption tower, the air inlet of the second adsorption tower and the air outlet of the blower;

the second control pipeline is communicated with the gas inlet of the first adsorption tower, the gas inlet of the second adsorption tower and the gas inlet of the vacuum pump;

the blower can be alternately communicated with the first adsorption tower and the second adsorption tower through the first control pipeline; the vacuum pump can be alternately communicated with the first adsorption tower and the second adsorption tower through the second control pipeline, and when the vacuum pump is communicated with one of the first adsorption tower and the second adsorption tower, the blower is communicated with the other of the first adsorption tower and the second adsorption tower.

The gas outlet of the first adsorption tower and the gas outlet of the second adsorption tower are both connected, and the gas inlet of the product discharge control pipeline is communicated with the first adsorption tower or the second adsorption tower which blows air correspondingly by the air blower.

Further, the device also comprises a buffer tank, and the buffer tank is communicated with the air outlet of the product discharge control pipeline.

Further, the first control pipeline comprises a first pipeline, a first switch valve and a second switch valve are arranged on the first pipeline, the first switch valve is communicated with the air inlet of the first adsorption tower and the air outlet of the air blower, and the second switch valve is communicated with the air inlet of the second adsorption tower and the air outlet of the air blower.

Further, a first flow collector is arranged between the air blower and the first pipeline, one end of the first flow collector is communicated with an air outlet of the air blower, and the other end of the first flow collector is communicated with the first pipeline.

Further, a first anti-surge valve is arranged at an air outlet of the air blower.

Further, the second control pipeline comprises a second pipeline, a third switch valve and a fourth switch valve are arranged on the second pipeline, the third switch valve is communicated with the air inlet of the first adsorption tower and the air inlet of the vacuum pump, and the fourth switch valve is communicated with the air inlet of the second adsorption tower and the air inlet of the vacuum pump.

Further, a second flow collector is arranged between the vacuum pump and the second pipeline, one end of the second flow collector is communicated with the air inlet of the vacuum pump, and the other end of the second flow collector is communicated with the second pipeline.

Further, the product discharge control pipeline comprises a third pipeline, a fifth switch valve and a sixth switch valve are arranged on the third pipeline, one end of the fifth switch valve is communicated with the gas outlet of the first adsorption tower, the other end of the fifth switch valve is communicated with the gas inlet of the third pipeline, one end of the sixth switch valve is communicated with the gas outlet of the second adsorption tower, and the other end of the sixth switch valve is communicated with the gas inlet of the third pipeline.

The device further comprises a back-washing control pipeline, wherein the back-washing control pipeline comprises a fourth pipeline, a seventh switch valve is arranged on the fourth pipeline, one end of the seventh switch valve is communicated with the air outlet of the first adsorption tower, and the other end of the seventh switch valve is communicated with the air outlet of the second adsorption tower.

The utility model has the advantages that:

the utility model provides a compressor system for gas separation, motor and the combination of first impeller form the air-blower, and the combination of motor and second impeller forms the vacuum pump, realizes the function of air-blower and vacuum pump through a motor drive first impeller and second impeller to reduce space and occupy, and reduced the energy consumption; the air blower is communicated with one of the first adsorption tower and the second adsorption tower through the first control pipeline, and the vacuum pump is communicated with the other one of the first adsorption tower and the second adsorption tower through the second control pipeline, so that gas separation is realized.

Drawings

Fig. 1 is a schematic diagram of a compressor system for gas separation according to the present invention.

In the figure:

1. a motor; 11. an air cleaner; 12. a first current collector; 13. a first anti-surge valve; 14. a second current collector; 15. a second anti-surge valve; 2. a first control line; 21. a first conduit; 22. a first on-off valve; 23. a second on-off valve; 3. a second control line; 31. a second conduit; 32. a third on-off valve; 33. a fourth switching valve; 4. a first adsorption tower; 5. a second adsorption column; 6. a product discharge control line; 61. a third pipeline; 62. a fifth on-off valve; 63. a sixth switching valve; 7. a back-flushing control pipeline; 71. a fourth conduit; 72. a seventh on-off valve; 8. and a buffer tank.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to reduce the space occupation and the energy consumption, as shown in fig. 1, the utility model provides a compressor system for gas separation. The present compressor system for gas separation comprises: the device comprises a motor 1, a first impeller, a second impeller, a first control pipeline 2 and a second control pipeline 3.

The first impeller is fixedly arranged at one end of an output shaft of the motor 1, the second impeller is fixedly arranged at the other end of the output shaft of the motor 1, the first impeller and the motor 1 form a blower, and the second impeller and the motor 1 form a vacuum pump; the first control pipeline 2 is communicated with the air inlet of the first adsorption tower 4, the air inlet of the second adsorption tower 5 and the air outlet of the blower; the second control pipeline 3 is communicated with the air inlet of the first adsorption tower 4, the air inlet of the second adsorption tower 5 and the air inlet of the vacuum pump; the blower can be alternately communicated with the first adsorption tower 4 and the second adsorption tower 5 through the first control pipeline 2; the vacuum pump can be alternately communicated with the first adsorption tower 4 and the second adsorption tower 5 through the second control pipeline 3, and when the vacuum pump is communicated with one of the first adsorption tower 4 and the second adsorption tower 5, the blower is communicated with the other of the first adsorption tower 4 and the second adsorption tower 5.

The first impeller and the second impeller are driven by the motor 1 to realize the functions of an air blower and a vacuum pump, so that the occupied space is reduced, and the energy consumption is reduced; the blower is communicated with one of the first adsorption tower 4 and the second adsorption tower 5 through the first control pipeline 2, and the vacuum pump is communicated with the other of the first adsorption tower 4 and the second adsorption tower 5 through the second control pipeline 3, so that the separation of the gas is realized. Specifically, in the present embodiment, the motor 1 employs a magnetic levitation motor 1. Through the arrangement, the equipment investment and the equipment investment are reduced, the maintenance amount is reduced, the installation space is reduced, and the production cost is reduced.

Further, the first control pipeline 2 comprises a first pipeline 21, a first switch valve 22 and a second switch valve 23 are arranged on the first pipeline 21, the first switch valve 22 is communicated with the air inlet of the first adsorption tower 4 and the air outlet of the blower, and the second switch valve 23 is communicated with the air inlet of the second adsorption tower 5 and the air outlet of the blower. By controlling the opening or closing of the first switch valve 22 and the second switch valve 23, the air blower can be controlled to be communicated with the first adsorption tower 4 or the second adsorption tower 5, when the air blower blows air into the first adsorption tower 4 or the second adsorption tower 5 to perform gas separation, the vacuum pump pumps out waste gas in the other adsorption tower, and by alternately controlling the opening and closing of the first switch valve 22 and the second switch valve 23, continuous gas separation is realized, and the output efficiency is improved.

Further, a first collector 12 is disposed between the blower and the first conduit 21, one end of the first collector 12 is communicated with an air outlet of the blower, and the other end is communicated with the first conduit 21. The rate of gas blown by a blower into the first adsorption tower 4 can be increased by providing the first collector plate 12.

Further, in order to ensure the cleanness of the gas blown by the blower, an air filter 11 is arranged at the air inlet of the blower, and the gas is filtered and adsorbed by the air filter 11, so that other impurities such as tiny dust are adsorbed by the air filter 11, and the cleanness of the gas blown by the blower is ensured.

Further, a first anti-surge valve 13 is provided at the air outlet of the blower. The first anti-surge valve 13 is arranged and is opened or closed according to the requirement of the blower, so that the functions of anti-surge and anti-overload are realized.

Further, the second control pipeline 3 comprises a second pipeline 31, a third on-off valve 32 and a fourth on-off valve 33 are arranged on the second pipeline 31, the third on-off valve 32 is communicated with the gas inlet of the first adsorption tower 4 and the gas inlet of the vacuum pump, and the fourth on-off valve 33 is communicated with the gas inlet of the second adsorption tower 5 and the gas inlet of the vacuum pump. By controlling the opening and closing of the third switching valve 32 and the fourth switching valve 33, the vacuum pump can be alternately connected to the first adsorption tower 4 and the second adsorption tower 5.

Further, a second collector 14 is disposed between the vacuum pump and the second pipe 31, one end of the second collector 14 is communicated with an air inlet of the vacuum pump, and the other end is communicated with the second pipe 31. By providing the second collector plate 14, the efficiency of vacuum pumping can be improved.

Further, a second anti-surge valve 15 is provided at the air inlet of the vacuum pump. By arranging the second anti-surge valve 15, the vacuum pump can be opened or closed according to the requirements, and the functions of anti-surge and anti-overload are realized.

Further, the compressor system for gas separation further comprises a product discharge control pipeline 6, the product discharge control pipeline 6 is connected with both the gas outlet of the first adsorption tower 4 and the gas outlet of the second adsorption tower 5, and the gas inlet of the product discharge control pipeline 6 is communicated with the first adsorption tower 4 or the second adsorption tower 5 through which the blower blows air correspondingly. That is, to which adsorption column the blower communicates, and to which adsorption column the product discharge control line 6 communicates. Through setting up the product discharge control pipeline 6, be convenient for control product's the discharge on the one hand, on the other hand can not cause the influence to the first adsorption tower 4 or the second adsorption tower 5 of evacuation.

Specifically, the product discharge control line 6 includes a third pipe 61, a fifth on-off valve 62 and a sixth on-off valve 63 are provided on the third pipe 61, one end of the fifth on-off valve 62 is communicated with the gas outlet of the first adsorption tower 4, the other end is communicated with the gas inlet of the third pipe 61, one end of the sixth on-off valve 63 is communicated with the gas outlet of the second adsorption tower 5, and the other end is communicated with the gas inlet of the third pipe 61. The third pipe 61 can be communicated with the first adsorption tower 4 or the second adsorption tower 5 by controlling the fifth switching valve 62 and the sixth switching valve 63.

Further, the compressor system for gas separation further comprises a buffer tank 8, and the buffer tank 8 is communicated with a gas outlet of the product discharge control pipeline 6. Can cushion and the steady voltage to the gas of output through setting up buffer tank 8 to effectively prevent to cause the influence because the atmospheric pressure of resultant gas fluctuates to first adsorption tower 4 and second adsorption tower 5, thereby influence gaseous normal separation.

Further, the compressor system for gas separation further comprises a back-washing control pipeline 7, the back-washing control pipeline 7 comprises a fourth pipeline 71, a seventh switch valve 72 is arranged on the fourth pipeline 71, one end of the seventh switch valve 72 is communicated with the gas outlet of the first adsorption tower 4, and the other end of the seventh switch valve 72 is communicated with the gas outlet of the second adsorption tower 5. Since the exhaust gas in the first adsorption tower 4 or the second adsorption tower 5 cannot be completely discharged during the process of vacuum pumping by the vacuum pump, the purity of the produced gas is inevitably affected because the exhaust gas is not completely discharged. Therefore, when the first adsorption tower 4 or the second adsorption tower 5 is vacuumized, the seventh switch valve 72 is opened, so that the waste gas in the vacuumized adsorption tower is pressed out by using the positive pressure of the produced gas, and the cleanliness of the corresponding adsorption tower after vacuumization is ensured.

Further, the compressor system for gas separation further comprises a control module, wherein the control module is electrically connected with the first switch valve 22, the second switch valve 23, the third switch valve 32, the fourth switch valve 33, the fifth switch valve 62, the sixth switch valve 63 and the seventh switch valve 72. And the control module is electrically connected with the motor 1, the first anti-surge valve 13 and the second anti-surge valve 15, and the manual use can be reduced through the control of the control module, so that the automatic control is realized, and the gas separation speed is increased.

Furthermore, a first inlet pressure sensor and a first inlet temperature sensor are arranged at the air inlet of the air blower, a first outlet pressure sensor and a first outlet temperature sensor are arranged at the air outlet of the air blower, a first inlet vacuum sensor and an inlet vacuum temperature sensor are arranged at the air inlet of the vacuum pump, and a first outlet vacuum sensor and an outlet vacuum temperature sensor are arranged at the air outlet of the vacuum pump. The first inlet pressure sensor, the first inlet temperature sensor, the first outlet pressure sensor, the first outlet temperature sensor, the first inlet vacuum sensor, the inlet vacuum temperature sensor, the first outlet vacuum sensor and the outlet vacuum temperature sensor are all electrically connected with the control module, and when the system breaks down or the air inlet condition changes, the control module can control the first anti-surge valve 13 and the second anti-surge valve 15 to realize anti-overload protection.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A compressor system for gas separation, comprising:

the device comprises a motor (1), a first impeller and a second impeller, wherein the first impeller is fixedly arranged at one end of an output shaft of the motor (1), the second impeller is fixedly arranged at the other end of the output shaft of the motor (1), the first impeller and the motor (1) form a blower, and the second impeller and the motor (1) form a vacuum pump;

the first control pipeline (2) is communicated with the air inlet of the first adsorption tower (4), the air inlet of the second adsorption tower (5) and the air outlet of the blower;

the second control pipeline (3) is communicated with the air inlet of the first adsorption tower (4), the air inlet of the second adsorption tower (5) and the air inlet of the vacuum pump;

the blower can be alternately communicated with the first adsorption tower (4) and the second adsorption tower (5) through the first control pipeline (2); the vacuum pump can be alternately communicated with the first adsorption tower (4) and the second adsorption tower (5) through the second control pipeline (3), and when the vacuum pump is communicated with one of the first adsorption tower (4) and the second adsorption tower (5), the blower is communicated with the other one of the first adsorption tower (4) and the second adsorption tower (5).

2. The compressor system for gas separation according to claim 1, further comprising a product discharge control line (6), wherein the product discharge control line (6) is connected to both the gas outlet of the first adsorption tower (4) and the gas outlet of the second adsorption tower (5), and the gas inlet of the product discharge control line (6) is communicated with the first adsorption tower (4) or the second adsorption tower (5) blown by the blower.

3. A compressor system for gas separation according to claim 2, further comprising a buffer tank (8), the buffer tank (8) being in communication with a gas outlet of the product discharge control line (6).

4. A compressor system for gas separation according to claim 1, wherein the first control line (2) comprises a first conduit (21), a first on-off valve (22) and a second on-off valve (23) are arranged on the first conduit (21), the first on-off valve (22) is communicated with the gas inlet of the first adsorption tower (4) and the gas outlet of the blower, and the second on-off valve (23) is communicated with the gas inlet of the second adsorption tower (5) and the gas outlet of the blower.

5. A compressor system for gas separation according to claim 4, characterized in that a first collector (12) is arranged between the blower and the first conduit (21), one end of the first collector (12) being in communication with the outlet of the blower and the other end being in communication with the first conduit (21).

6. A compressor system for gas separation according to claim 4, characterized in that a first anti-surge valve (13) is arranged at the gas outlet of the blower.

7. A compressor system for gas separation according to claim 1, wherein the second control circuit (3) comprises a second conduit (31), a third on-off valve (32) and a fourth on-off valve (33) are arranged on the second conduit (31), the third on-off valve (32) is communicated with the gas inlet of the first adsorption tower (4) and the gas inlet of the vacuum pump, and the fourth on-off valve (33) is communicated with the gas inlet of the second adsorption tower (5) and the gas inlet of the vacuum pump.

8. A compressor system for gas separation according to claim 7, characterized in that a second collector (14) is arranged between the vacuum pump and the second conduit (31), one end of the second collector (14) being in communication with the inlet of the vacuum pump and the other end being in communication with the second conduit (31).

9. A compressor system for gas separation according to claim 2, wherein the product discharge control line (6) comprises a third pipeline (61), a fifth on-off valve (62) and a sixth on-off valve (63) are arranged on the third pipeline (61), one end of the fifth on-off valve (62) is communicated with the gas outlet of the first adsorption tower (4), the other end is communicated with the gas inlet of the third pipeline (61), one end of the sixth on-off valve (63) is communicated with the gas outlet of the second adsorption tower (5), and the other end is communicated with the gas inlet of the third pipeline (61).

10. The compressor system for gas separation according to claim 1, further comprising a back-flushing control pipeline (7), wherein the back-flushing control pipeline (7) comprises a fourth pipeline (71), a seventh switch valve (72) is arranged on the fourth pipeline (71), one end of the seventh switch valve (72) is communicated with the gas outlet of the first adsorption tower (4), and the other end is communicated with the gas outlet of the second adsorption tower (5).