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Vertical radial-flow adsorber
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A radial flow, adsorber technology, applied in chemical instruments and methods, dispersed particle filtration, gas treatment, etc., can solve the problems of large processing flow, uneven flow steps, small footprint, etc. The effect of flow, simple structure and small footprint
Active Publication Date: 2017-12-01
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS +1
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[0004] Aiming at the problem that the height of the vertical radial flow adsorber is increased, resulting in the problem that the ratio of the equivalent diameter of the adsorption bed layer to the outer annular flow channel is too large and the flow rate is not uniform, the purpose of the present invention is to provide a small footprint, Vertical radial flow adsorber with large processing flow rate and high flow field uniformity, especially suitable as a component of air separationplant in the field of cryogenic technology
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Embodiment 1
[0023] Such as figure 1 As shown, a vertical radial flow adsorber includes an inlet pipe 1, a tank body 2, a head 3, an outer cylindrical screen, a middle cylindrical screen, an inner cylindrical screen, and a central flow channel distribution Device, first adsorption bed 13, second adsorption bed 14, exhaust pipe 15, discharge port 16, two filling / discharge ports 17, manhole 18, load-bearing channel steel 19, the inlet pipe 1 is located in the tank body 2, the discharge port 16, filling / discharging port 17, manhole 18, load-bearing channel steel 19 and exhaust pipe 15 are all arranged on the upper end of the tank body 2, and the inner top of the tank body 2 hangs concentric circles Cylindrical screens are respectively the outer cylindrical screen, the middle cylindrical screen and the inner cylindrical screen, the lower end of the outer cylindrical screen, the lower end of the middle cylindrical screen and the inner cylindrical screen The lower ends of the screens are all fi...
Embodiment 2
[0025] A vertical radial flow adsorber, including an inlet pipe 1, a tank body 2, a head 3, an outer cylindrical screen, a middle cylindrical screen, an inner cylindrical screen, a central channel distributor, and a second An adsorption bed 13, a second adsorption bed 14, an exhaust pipe 15, a discharge port 16, two filling / discharge ports 17, a manhole 18, a load-bearing channel steel 19, and the air inlet pipe 1 is located at the lower end of the tank body 2 , the discharge port 16, filling / discharging port 17, manhole 18, load-bearing channel steel 19 and exhaust pipe 15 are all arranged on the upper end of the tank body 2, and a concentric cylindrical screen is suspended on the top of the tank body 2 The net is respectively the outer cylindrical screen, the middle cylindrical screen and the inner cylindrical screen, the lower end of the outer cylindrical screen, the lower end of the middle cylindrical screen and the lower end of the inner cylindrical screen are all fixed o...
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Abstract
The invention discloses a vertical radial-flow adsorber. The adsorber comprises an air inlet pipe, a tank body, a spherical crown seal head, an outer cylindrical screen, a middle cylindrical screen, an inner cylindrical screen, a central flow channel distributor, a first adsorbent bed, a second adsorbent bed, an exhaust pipe, a discharge port, two feeding / discharging ports, a manhole and bearing channel steel, wherein the central flow channel distributor is located in the cavity of the inner cylindrical screen and is composed of a hollow cylinder, a porous hollow cylinder and a solid truncated cone with equal diameters. With such a structure, unfavorable influence of the height of the adsorbent beds on uniform distribution of a flow field can be reduced, and the maximum design height of the vertical radial-flow adsorber can be greatly increased. The adsorber designed in the invention has the advantages of small land occupation, low energy consumption, high flow field uniformity and the like under the condition of same treatment capacity.
Description
technical field [0001] The invention relates to the field of gas separation and purification, in particular to a vertical radial flow adsorber. Background technique [0002] At present, industrial gases are mainly obtained by air separation. Before the separation, the processing air should be pretreated with a purifier to prevent impurities such as water vapor, carbon dioxide, acetylene and other hydrocarbons from being precipitated, causing blockage or even explosion accidents. In recent years, iron and steel, metallurgy, chemical industry, aerospace and many other fields have developed rapidly, and the demand for industrial gases such as nitrogen and oxygen has increased sharply. Correspondingly, air purification equipment has been developing in the direction of large-scale and low energy consumption. Compared with other air purification equipment such as traditional vertical axial flow adsorbers and horizontal vertical flow adsorbers, vertical radial flow adsorbers ha...
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