A pressure swing adsorption tower
A technology of pressure swing adsorption and adsorption chamber, which is applied in the direction of adsorption purification/separation, inorganic chemistry, gas fuel, etc. It can solve the problem that there are few devices for simultaneous separation and purification of multiple gases, and achieve reduced production costs and high adsorption capacity. , improve the effect of continuity
Active Publication Date: 2018-03-13
江苏智楹科技有限公司
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Problems solved by technology
At present, pressure swing adsorption towers generally separate two kinds of gases, and there are few devices that simultaneously separate and purify multiple gases
Method used
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Embodiment Construction
[0022] like figure 1 Shown in -6, the present invention comprises tower body 1, and the bottom of tower body 1 is provided with base 2, and the upper end of tower body 1 is connected with outlet pipe 3, and the lower end of tower body 1 is connected with inlet pipe 4, inlet pipe 3 and outlet pipe 4 are respectively connected with on-off valves 5; the middle part of the tower body 1 is provided with an adsorption partition plate 6, which separates the tower body 1 into a nitrogen adsorption chamber 7 at the upper part and a carbon dioxide adsorption chamber 8 at the lower part, nitrogen adsorption chamber 7 and The tower body walls of the carbon dioxide adsorption chamber 8 are respectively provided with gas outlets 9 , and the bottom of the carbon dioxide adsorption chamber 8 is also connected with a bottom plate 10 .
[0023] The adsorption separation plate 6 includes a circular two-layer fixed plate 11 and a circular rotating plate 12 arranged between the two-layer fixed pla...
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The invention discloses a pressure-variable absorption tower and relates to the field of gas processing.The pressure-variable absorption tower comprises a tower body.A base is arranged at the bottom of the tower body.A gas outlet pipe is connected to the upper end of the tower body.A gas inlet pipe is connected to the lower end of the tower body.An absorption partition plate is arranged in the middle in the tower body to separate the tower body into an upper nitrogen absorption cavity and a lower carbon dioxide absorption cavity.A first annular distribution pipe is connected to the center of the absorption partition plate of the nitrogen absorption cavity, the upper port of the first annular distribution pipe is sealed, and 13X molecular sieves fill between the first annular distribution pipe and the tower body.A second annular distribution pipe is arranged at the center in the carbon dioxide absorption cavity, and activated carbon fills between the second annular distribution pipe and the tower body.The pressure-variable absorption tower has the advantages that methane, nitrogen and carbon dioxide can be separated and recycled, absorbents are high in absorption ability, and the absorption tower is low in process requirement and capable of lowering production cost and increasing process continuity.
Description
technical field [0001] The invention relates to the field of gas treatment, in particular to a pressure swing adsorption tower. Background technique [0002] In order to realize the effective separation of landfill gas and obtain high-purity methane, nitrogen and carbon dioxide, pressure swing adsorption technology is a very effective separation and purification method. The pressure swing adsorption technology utilizes the adsorption capacity of different adsorbents to gas, and adopts five steps of adsorption, pressure equalization drop, reverse discharge, vacuum pumping, and pressure equalization rise to separate and purify the gas. At present, pressure swing adsorption towers generally separate two kinds of gases, and devices for simultaneously separating and purifying multiple gases are rare. Contents of the invention [0003] The purpose of the present invention is to provide a pressure swing adsorption tower that can not only obtain methane with higher purity, but al...
Claims
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IPC IPC(8): B01D53/047C07C9/04C07C7/13C10L3/10C01B21/04C01B32/50
CPCB01D53/0423B01D53/047B01D2259/402B01D2259/4148C01B21/045C01B2210/0014C07C7/13C10L3/102C10L3/105C10L2290/542C07C9/04Y02A50/20Y02C20/40Y02P20/151
Inventor 吕浩陈竹李军
Owner 江苏智楹科技有限公司