CN-122015014-A - High-pressure high-flow oil-free stable compressed air preparation system and method

Abstract

The invention provides a preparation system and a preparation method of high-pressure high-flow oil-free stable compressed air, wherein the preparation system comprises a first compression device, a second compression device and a third compression device, wherein the first compression device is used for compressing inhaled air to obtain first compressed air; the device comprises a first buffer device for buffering first compressed air, a second compression device for compressing the buffered first compressed air to obtain second compressed air, an adsorption purification device for adsorbing and purifying the second compressed air, and a second buffer device for buffering the adsorbed and purified second compressed air. Compressed air meeting rocket launching task requirements is prepared through the preparation system.

Inventors

• HE YAN
• ZHANG JIANYU
• LIN FENGGONG
• REN WEN
• WANG DEJIN
• ZHANG SHURUI
• Han Hongding
• FU JINGLIN
• LIU DI

Assignees

• 海南国际商业航天发射有限公司

Dates

Publication Date

20260512

Application Date

20260330

Claims (10)

1. 1. The preparation system of the high-pressure high-flow oil-free stable compressed air is characterized by at least comprising a first compression device, a first buffer device, a second compression device, an adsorption purification device and a second buffer device; The first compression device is used for compressing the sucked air to obtain first compressed air; the first buffer device is used for buffering the first compressed air; the second compression device is used for compressing the buffered first compressed air to obtain second compressed air, and the air pressure of the second compressed air is higher than that of the first compressed air; The adsorption purification device is used for carrying out adsorption purification on the second compressed air; and the second buffer device is used for buffering the second compressed air after adsorption purification.
2. 2. The manufacturing system of claim 1, further comprising a control system; The control system is used for controlling the operation of the first compression device, the first buffer device, the second compression device, the adsorption purification device and the second buffer device.
3. 3. The preparation system according to claim 1 or 2, characterized in that the preparation system further comprises an equipment cooling device; The equipment cooling device is used for cooling the first compression device, the second compression device and the adsorption purification device.
4. 4. The manufacturing system of claim 2, wherein the control system is further configured to: Monitoring air indexes of the second compressed air after adsorption purification, wherein the air indexes at least comprise air dew point, oil content and dust particle size diameter; If the air index is not qualified, closing an air supply valve of the adsorption purification device to stop conveying the second compressed air which is subjected to adsorption purification to the second buffer device, and opening a deflation valve of the adsorption purification device to empty the second compressed air which is subjected to adsorption purification; and if the air index is qualified, closing a deflation valve of the adsorption purification device, and opening an air supply valve of the adsorption purification device to convey the second compressed air subjected to adsorption purification to the second buffer device.
5. 5. The manufacturing system of claim 2, wherein the control system controls operation of the second compression device, comprising: Monitoring the air supply pressure of the first buffer device; If the air supply pressure does not reach the starting pressure of the second compression device, not starting the second compression device; and if the air supply pressure reaches the starting pressure of the second compression device, starting the second compression device.
6. 6. The manufacturing system of claim 1, wherein the first compression device is an oil-free screw compressor.
7. 7. The manufacturing system of claim 1, wherein the second compression device is an oil piston compressor.
8. 8. The manufacturing system of claim 1, wherein the adsorption purification device is a double tower adsorber.
9. 9. The manufacturing system of claim 1, wherein the first buffer device and the second buffer device are buffer tanks.
10. 10. A method for preparing high-pressure high-flow oil-free stable compressed air, which is suitable for the preparation system of the high-pressure high-flow oil-free stable compressed air according to any one of claims 1 to 9, and comprises the following steps: Compressing the sucked air to obtain first compressed air; Buffering the first compressed air; Compressing the buffered first compressed air to obtain second compressed air, wherein the air pressure of the second compressed air is higher than that of the first compressed air; carrying out adsorption purification on the second compressed air; Buffering the second compressed air after the adsorption purification is completed.

Description

High-pressure high-flow oil-free stable compressed air preparation system and method Technical Field The invention relates to the technical field of compressed air preparation, in particular to a high-pressure high-flow oil-free stable compressed air preparation system and method. Background When a commercial aerospace launching field executes a rocket launching task, the requirement of high-pressure air supply and air consumption standard of the rocket need to be met, so that a mode capable of preparing compressed air meeting the requirement of the rocket launching task is needed at present. Disclosure of Invention In view of the above, the embodiment of the invention provides a system and a method for preparing high-pressure high-flow oil-free stable compressed air so as to prepare the compressed air meeting the requirements of rocket launching tasks. In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: The first aspect of the embodiment of the invention discloses a preparation system of high-pressure high-flow oil-free stable compressed air, which at least comprises a first compression device, a first buffer device, a second compression device, an adsorption purification device and a second buffer device; The first compression device is used for compressing the sucked air to obtain first compressed air; the first buffer device is used for buffering the first compressed air; the second compression device is used for compressing the buffered first compressed air to obtain second compressed air, and the air pressure of the second compressed air is higher than that of the first compressed air; The adsorption purification device is used for carrying out adsorption purification on the second compressed air; and the second buffer device is used for buffering the second compressed air after adsorption purification. Preferably, the preparation system further comprises a control system; The control system is used for controlling the operation of the first compression device, the first buffer device, the second compression device, the adsorption purification device and the second buffer device. Preferably, the preparation system further comprises an equipment cooling device; The equipment cooling device is used for cooling the first compression device, the second compression device and the adsorption purification device. Preferably, the control system is further configured to: Monitoring air indexes of the second compressed air after adsorption purification, wherein the air indexes at least comprise air dew point, oil content and dust particle size diameter; If the air index is not qualified, closing an air supply valve of the adsorption purification device to stop conveying the second compressed air which is subjected to adsorption purification to the second buffer device, and opening a deflation valve of the adsorption purification device to empty the second compressed air which is subjected to adsorption purification; and if the air index is qualified, closing a deflation valve of the adsorption purification device, and opening an air supply valve of the adsorption purification device to convey the second compressed air subjected to adsorption purification to the second buffer device. Preferably, the control system controls the operation of the second compression device, including: Monitoring the air supply pressure of the first buffer device; If the air supply pressure does not reach the starting pressure of the second compression device, not starting the second compression device; and if the air supply pressure reaches the starting pressure of the second compression device, starting the second compression device. Preferably, the first compression device is an oil-free screw compressor. Preferably, the second compression device is an oil piston compressor. Preferably, the adsorption purification device is a double-tower adsorber. Preferably, the first buffer device and the second buffer device are buffer tanks. The second aspect of the embodiment of the invention discloses a preparation method of high-pressure high-flow oil-free stable compressed air, which is applicable to the preparation system of the high-pressure high-flow oil-free stable compressed air disclosed in the first aspect of the embodiment of the invention, and comprises the following steps: Compressing the sucked air to obtain first compressed air; Buffering the first compressed air; Compressing the buffered first compressed air to obtain second compressed air, wherein the air pressure of the second compressed air is higher than that of the first compressed air; carrying out adsorption purification on the second compressed air; Buffering the second compressed air after the adsorption purification is completed. The preparation system and the preparation method for the high-pressure high-flow oil-free stable compressed air provided by the embodiment of the invention comprise a fi