Device for improving pressure swing adsorption yield and purity
A pressure swing adsorption and purity technology, which is applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve problems such as the influence of pressure swing adsorption gas yield, and achieve the effect of wide application range and improved yield
Inactive Publication Date: 2013-09-18
中船(邯郸)派瑞氢能科技有限公司
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Problems solved by technology
In order for the adsorbent to be regenerated and recycled, this part of the residual pressure gas must be discharged to the atmosphere or to the gas system as fuel, which will have a certain impact on the gas yield of the pressure swing adsorption
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[0008] Such as figure 1 As shown, the present invention includes five adsorption towers 6, 14, 25, 32, 43, and the first path at the upper end of each adsorption tower 6, 14, 25, 32, 43 passes through the first group of program-controlled valves 1, 19, 20, respectively. 37, 38 are connected with the product air pipe 52 in a sealed manner, and the second channel at the upper end passes through the second group of ① program-controlled valves 4, 16, 23, 34, 41 to make the adsorption towers 6, 14, 25, 32, 43 communicate with each other, and the third channel at the upper end The adsorption towers 6, 14, 25, 32, and 43 communicate with each other through the second group ② program-controlled valves 3, 17, 22, 35, 40 respectively, and the fourth road at the upper end passes through the second group ③ program-controlled valves 2, 18, 21, 36, 39 make each adsorption tower 6, 14, 25, 32, 43 communicate with each other, and communicate with the product gas pipe 52 through the throttle v...
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The invention relates to a device for improving pressure swing adsorption yield and purity. The device comprises a plurality of adsorption towers, wherein one paths at the upper ends of the adsorption towers are communicated with a product air pipe in a sealed manner through a first group of program control valves; another path or multiple paths of the adsorption towers are communicated with one another through a second group of program control valves; first paths at the lower ends of the adsorption towers are respectively communicated with a raw material air pipe in a sealed manner through a third group of program control valves, and second paths at the lower ends of the adsorption towers are communicated with one another through a fourth group of program control valves and are communicated with a combustion system or an emptying pipe in a sealed manner; the upper ends of the adsorption towers are respectively communicated with the upper end of a middle tank in a sealed manner through a fifth group of program control valves; the lower ends of the adsorption towers are respectively communicated with the lower end of the middle tank in a sealed manner through a sixth group of program control valves. The device can improve the pressure swing adsorption yield and purity without pressurization.
Description
technical field [0001] The invention relates to a pressure swing adsorption device. Background technique [0002] At present, in the relatively mature field of pressure swing adsorption gas separation technology, improving the gas yield of pressure swing adsorption has always been a goal pursued by scientific researchers and pressure swing adsorption manufacturers. The existing pressure swing adsorption gas separation technology is usually through vacuum desorption, cancellation of flushing with product gas, multiple pressure equalization between adsorption towers, backwashing of gas in parallel tanks, and increased pressure recovery in the pressure swing adsorption gas separation system. system to achieve the purpose of improving the gas separation yield of pressure swing adsorption, such as patent ZL 98122393.1 03117786.797107640.5 88105938.2 200510020305.X. However, with the proposal of "energy saving and emission reduction" in my country's "Eleventh Five-Year Plan", ent...
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IPC IPC(8): B01D53/047
Inventor 李福顺毕胜利何丰修凯李华波苏玉蕾
Owner 中船(邯郸)派瑞氢能科技有限公司