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Improvement method for setting pressure-variable adsorption valve

A technology of pressure swing adsorption and valves, which is applied in separation methods, chemical instruments and methods, and separation of dispersed particles, and can solve problems such as large losses, affecting product production capacity, and affecting product quality.

Inactive Publication Date: 2006-12-20
杨皓
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Usually, there are many program-controlled valves in the pressure swing adsorption device. For the failure of the valve during use, the tower cutting operation is generally used, which will inevitably affect the processing capacity, and further affect the production capacity of the product or affect the quality of the product.
In some important occasions, such as the use of pressure swing adsorption devices in the main process, once the valve opens and closes abnormally, the impact on the entire production plant is even more immeasurable
[0003] When some special valves fail, such as raw gas or product gas valves not closed, it must be stopped for processing, even if it is a temporary stop, it will also cause huge losses

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0006] Example 1: There are 12 adsorption towers in a pressure swing adsorption device, and each adsorption tower is equipped with a program-controlled valve with the following contents: 1# feed gas inlet; 2# pumping; 3# product gas outlet; 4#1 average; 5#2 All; 6#3 are all, 7#4 are all, each valve must be used in the circulation process.

[0007] According to the present invention, one program-controlled valve is reserved at the inlet of the adsorption tower, and the program-controlled valve can be used as a backup program-controlled valve for 1#2#. The corresponding main pipe valve of the valve can realize seamless switching.

[0008] According to the present invention, two program-controlled valves are spared at the outlet of the adsorption tower, and the two program-controlled valves can be used as spare program-controlled valves for 3#4#5#6#7#, in any 3#4#5#6#7# program-controlled When the valve cannot work, cut off the original main pipe valve and open the corresponding...

Embodiment 2

[0009] Example 2: There are 2 adsorption towers in a pressure swing adsorption device, and each adsorption tower is equipped with a program-controlled valve with the following contents: 1# feed gas inlet; 2# evacuation; 3# product gas outlet; each valve is in the process of circulation must use.

[0010] According to the present invention, one program-controlled valve is reserved at the inlet of the adsorption tower, and the program-controlled valve can be used as a backup program-controlled valve for 1#2#. The corresponding main pipe valve of the valve can realize seamless switching.

[0011] According to the present invention, one program-controlled valve is spared at the outlet of the adsorption tower, and the program-controlled valve can be used as the spare program-controlled valve of 3#. When the program-controlled valve of 3# cannot work, the original main pipe valve is cut off, and the corresponding main pipe valve of the spare program-controlled valve is opened. to a...

Embodiment 3

[0012] Example 3: There are 9 adsorption towers in a pressure swing adsorption device, and each adsorption tower is equipped with a program-controlled valve with the following contents: 1# feed gas inlet; 2# evacuation; 3# replacement inlet; 4# product gas outlet; 5# 1 is equal; 6# is equal to 2, and 7# is equal to 3. Each valve must be used during the cycle.

[0013] According to the present invention, one program-controlled valve is reserved at the inlet of the adsorption tower, and the program-controlled valve can be used as a backup program-controlled valve for 1#2#3#. When any 1#2#3# program-controlled valve cannot work, the original main pipe valve is cut , open the main pipe valve corresponding to the standby program-controlled valve, and seamless switching can be realized.

[0014] According to the present invention, one program-controlled valve is reserved at the outlet of the adsorption tower, and the program-controlled valve can be used as a backup program-controlle...

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PUM

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Abstract

The invention relates to a method for distributing the range-control valve of pressure-variable absorber, wherein it is characterized in that: there are at least two voltage-variable absorbers with absorb towers; two ends of absorb tower are mounted with the range-control valve, while the inlet of each tower is mounted with 1-2 additive range-control valve, or the outlet is mounted with 1-2 additive range-control valve, or both them are mounted with 1-2 additive range-control valve; the back-up range-control valve can replace the abnormal valve when one valve can not work normally, to realize seamless switch and continuous operation.

Description

1. Technical field [0001] The invention relates to the field of gas separation, and relates to a method for separating some components in a gas mixture by using pressure swing adsorption technology. 2. Background technology [0002] Usually, there are many program-controlled valves in the pressure swing adsorption device. For the failure of the valves during use, the tower cutting operation is generally used, which will inevitably affect the processing capacity, and further affect the production capacity of the product or affect the quality of the product. In some important occasions, such as the use of pressure swing adsorption devices in the main process, once the valve opens and closes abnormally, the impact on the entire production plant is even more immeasurable. [0003] When some special valves fail, such as raw material gas or product gas valves not closing, it must be stopped for processing, even if it is a temporary stop, it will also cause huge losses. 3. Conten...

Claims

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Application Information

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IPC IPC(8): B01D53/047
Inventor 杨皓
Owner 杨皓
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