CN217712852U - Air separation continuous stable operation common and standby air compressor switching system - Google Patents
Air separation continuous stable operation common and standby air compressor switching system Download PDFInfo
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- CN217712852U CN217712852U CN202221298202.5U CN202221298202U CN217712852U CN 217712852 U CN217712852 U CN 217712852U CN 202221298202 U CN202221298202 U CN 202221298202U CN 217712852 U CN217712852 U CN 217712852U
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Abstract
The utility model discloses an empty continuous steady operation's commonly used and reserve air compressor machine switched systems, including air separation equipment, system control unit, system and spare system commonly used, system commonly used comprises first air conveying equipment, first air control valve, first correction unit and first air control valve, and wherein first air conveying equipment is first air control valve and first air control valve air feed, and spare system comprises second air conveying equipment, second correction unit, second air control valve and second air control valve, and wherein second air conveying equipment is second air control valve and second air control valve air feed, system control unit controls first air control valve, second air control valve and second air control valve. The system can realize the continuous and stable operation of the air separation device without damaging the existing working condition.
Description
Technical Field
The utility model relates to an air separation plant technical field especially relates to an empty continuous stable operation's commonly used and reserve air compressor machine switched systems that divides.
Background
At present, two air compressors are arranged for one set of air separation device, wherein one air compressor is commonly used, the other air compressor is prepared, and in view of 24-hour continuous air utilization of customers, the on-line switching function of the commonly used air compressor and the standby air compressor is realized under the condition that the air separation device does not stop. On one hand, in the prior art, one of the two air compressors can be in a hot standby state, namely the common air compressor is stopped, the standby air compressor is automatically started, but in the process, the working condition of the device is damaged, and the device needs to be stopped to process to reestablish the working condition when the working condition is normal; on the other hand, when the common air compressor sends out a fault signal or is maintained, the air separation device is required to stop, and then the standby air compressor is started to run again. The continuous and stable operation of the air separation device cannot be realized under the above conditions, and a switching system for the common air compressor and the standby air compressor which are used for the continuous and stable operation of the air separation is provided for the purpose.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides an empty continuous stable operation commonly used and reserve air compressor machine switched systems, can realize the continuous stable operation of air separation plant through this system, and do not destroy current operating mode.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an empty continuous stable operation's commonly used and reserve air compressor machine switched systems, includes air separation equipment, system control unit, commonly used system and standby system, commonly used system is commonly used for the air feed commonly used for air separation equipment, and commonly used system comprises first air delivery equipment, first air control valve, first correction unit and first gas control valve, first air control valve, first gas control valve pass through gas passage and are connected with first air delivery equipment, and wherein first air delivery equipment is first air control valve and first gas control valve air feed, and standby system is used for giving air separation equipment's reserve air feed, and standby system comprises second air delivery equipment, second correction unit, second gas control valve and second air control valve, second gas control valve passes through gas passage and is connected with second air delivery equipment, and wherein second air delivery equipment is second gas control valve and second air control valve air feed, system control unit control first air control valve, first gas control valve, second air control valve and second gas control valve, first gas control valve and second gas control valve are connected with second gas control valve, second gas control unit and second correction unit.
As a preferred technical scheme of the utility model, be provided with first check valve between first gas control valve and the first pipeline.
As an optimized technical scheme of the utility model, be provided with the second check valve between second gas control valve and the second pipeline.
As an optimized technical scheme of the utility model, first air conveying equipment and second air conveying equipment are air compressor.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is:
1. the system control unit is used for gradually closing the first air control valve and also closing the first gas control valve to reduce gas supply, and simultaneously, the second air control valve is gradually opened to increase the second air conveying equipment to supply gas gradually and normally, so that the second gas control valve is opened to increase the second gas control valve and supply gas gradually and normally until the switching is finished finally;
2. through setting up first check valve, avoid the gas refluence among the system commonly used, through setting up the second check valve, avoid the gas refluence among the standby system.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
fig. 2 is a schematic structural view of a first correction unit of the present invention;
fig. 3 is a schematic structural diagram of a second correction unit of the present invention;
fig. 4 is a schematic structural diagram of a system control unit of the present invention.
Wherein: 1. a first air delivery device; 2. a first air control valve; 3. a first correcting unit; 4. a first gas control valve; 5. a first check valve; 6. an air separation plant; 7. a second air delivery device; 8. a second correction unit; 9. a second gas control valve; 10. a second check valve; 11. a second air control valve; 12. a system control unit.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-4, a switching system for a common air compressor and a standby air compressor for continuous and stable operation of air separation comprises an air separation plant 6, a system control unit 12, a common system and a standby system, wherein the common system is used for supplying air to the air separation plant 6 in a common way, the common system is composed of a first air delivery device 1, a first air control valve 2, a first correction unit 3 and a first air control valve 4, the first air control valve 2 and the first air control valve 4 are connected with the first air delivery device 1 through a gas channel, the first air delivery device 1 is used for supplying air to the first air control valve 2 and the first air control valve 4, the standby system is used for supplying air to the air separation plant 6 in a standby way, the standby system is composed of a second air delivery device 7, a second correction unit 8, a second gas control valve 9 and a second air control valve 11, the second gas control valve 9 and the second air control valve 11 are connected with the second air delivery device 7 through gas channels, wherein the second air delivery device 7 supplies gas to the second gas control valve 9 and the second air control valve 11, a system control unit 12 controls the first air control valve 2, the first gas control valve 4, the second air control valve 11 and the second gas control valve 9, the first correction unit 3 is connected with the first gas control valve 4, and the second correction unit 8 is connected with the second gas control valve 9.
In actual use, the first air control valve 2 is opened to make the first air delivery equipment 1 in a normal air supply state, so that the gas passing through the first gas control valve 4 can be normally supplied, a passage is formed, so that the air separation equipment 6 is supplied with the gas, at this time, the second air control valve 11 and the second gas control valve 9 are in a closed state, the second air delivery equipment 7 is in a low-load operation state and does not supply the gas, so that the air separation equipment 6 cannot be supplied with the gas, when it is necessary to switch the common system to the standby system, the system control unit 12 gradually closes the first air control valve 2, and also closes the first gas control valve 4, so that the supply of the gas is reduced, and simultaneously gradually opens the second air control valve 11, so that the second air delivery equipment 7 gradually supplies the gas normally, so that the second gas control valve 9 is opened, and the gas is gradually and normally supplied until the last switching is completed, wherein the first modification unit 3 adjusts the temperature and the pressure of the first gas control valve 4, the second modification unit 8 adjusts the temperature and the pressure of the second gas control valve 9, and the temperature and the pressure of the air delivery equipment can be gradually and the existing system can be stably operated without destroying the existing air separation equipment 6.
In other embodiments, a first check valve 5 is provided between the first gas control valve 4 and the first pipeline;
through setting up first check valve 5, avoid the gas refluence in the system commonly used.
In other embodiments, a second check valve 10 is provided between the second gas control valve 9 and the second pipeline;
by providing the second check valve 10, backflow of gas in the standby system is prevented.
The position numbers of the meters in the figure correspond to the following: PT-pressure detecting element; PI-pressure display; PIC-pressure display regulation; TE-temperature primary part; TI-temperature indication; an FT-flow transmitter; FIC-flow display adjustment; PV-pressure regulating valve; FV-flow regulating valve.
Wherein, fig. 2 is the structural schematic diagram of the first correction unit of the present invention, the flow control valve 601B is connected to the flow display control valve 601B, the flow display control valve 601B is connected to the flow transmitter 601B, the flow control valve 601B is connected to the temperature indicator 601B, the temperature indicator 601B is connected to the temperature primary component 601B, the flow control valve 601B is connected to the pressure indicator valve 601B, and the pressure indicator valve 601B is connected to the pressure detection element 601B;
fig. 3 is a schematic diagram of a second correction unit structure of the present invention, a flow indicator regulating valve 601A is connected to a flow transmitter 601A, the flow indicator regulating valve 601A is connected to a flow regulating valve 601A, the flow regulating valve 601A is connected to a temperature indicator 601A, the temperature indicator 601A is connected to a temperature primary component 601A, the flow regulating valve 601A is connected to a pressure indicator valve 601A, and the pressure indicator valve 601A is connected to a pressure detection element 601A;
fig. 4 is a schematic structural diagram of the system control unit of the present invention, and the pressure indication regulating valve 602 is connected to a pressure detecting element 602.
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.
The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides an empty commonly used and reserve air compressor machine switched systems who divides continuous steady operation which characterized in that: the system comprises an air separation device (6), a system control unit (12), a common system and a standby system, wherein the common system is used for supplying air to the air separation device (6) commonly, the common system is composed of a first air delivery device (1), a first air control valve (2), a first correction unit (3) and a first air control valve (4), the first air control valve (2) and the first air control valve (4) are connected with the first air delivery device (1) through gas channels, the first air delivery device (1) supplies air to the first air control valve (2) and the first air control valve (4), the standby system is used for supplying standby air to the air separation device (6), the standby system is composed of a second air delivery device (7), a second correction unit (8), a second air control valve (9) and a second air control valve (11), the second air control valve (9) and the second air control valve (11) are connected with the second air delivery device (7) through gas channels, the second air delivery device (7) is composed of the second air control valve (9) and the second air control valve (11), the second air delivery device (7) is connected with the second air control valve (9) and the second air control valve (11), the first air control valve (4) and the second air control valve (11), the first air delivery device (3) and the second air control valve (11) are connected with the second air control unit (12), the second correction unit (8) is connected to a second gas control valve (9).
2. The switching system of the common air compressor and the standby air compressor which are continuously and stably operated for air separation according to claim 1, is characterized in that: a first check valve (5) is arranged between the first gas control valve (4) and the first pipeline.
3. The switching system of the common air compressor and the standby air compressor which are continuously and stably operated for air separation according to claim 1, is characterized in that: and a second check valve (10) is arranged between the second gas control valve (9) and the second pipeline.
4. The switching system of the common air compressor and the standby air compressor which are continuously and stably operated for air separation according to claim 1, is characterized in that: the first air conveying equipment (1) and the second air conveying equipment (7) are both air compressors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221298202.5U CN217712852U (en) | 2022-05-26 | 2022-05-26 | Air separation continuous stable operation common and standby air compressor switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221298202.5U CN217712852U (en) | 2022-05-26 | 2022-05-26 | Air separation continuous stable operation common and standby air compressor switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217712852U true CN217712852U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221298202.5U Active CN217712852U (en) | 2022-05-26 | 2022-05-26 | Air separation continuous stable operation common and standby air compressor switching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217712852U (en) |
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2022
- 2022-05-26 CN CN202221298202.5U patent/CN217712852U/en active Active
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