Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1992-06-25
1994-07-19
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
34167, 34174, 55474, 55479, 95110, 95275, 96150, 422213, 422216, B01D 5306, B01D 5334, B01J 808, F26B 1712
Patent
active
053307267
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to an adsorption device for separating undesired components from a fluid, especially exhaust gas, having a reactor delimiting a reaction chamber, which at the top is provided with an introduction means and at the bottom with a floor consisting of grid-like arranged removal funnels for introducing and removing a granular adsorption medium, whereby in the floor fluid inflow openings are provided which are covered by distributing elements via which the fluid is introduced from the bottom into the reaction chamber.
Such adsorption devices are commonly operated as counterflow reactors whereby the usually granular adsorption medium is removed below the floor in a downward direction continuously or intermittently and, corresponding to this removal, the adsorption medium column moves downwardly. The fluid to be treated is guided through the reaction chamber counter to the transportation direction of the adsorption medium. In order to achieve a high degree of reaction efficiency, it is important that the fluid flows through the adsorption medium column at a uniform rate and that the granular adsorption medium is provided with uniform moving conditions within the reaction chamber.
From German Offenlegungschrift 37 32 567 a flow bottom for moving bed reactors is known which supposedly ensures a good inflow distribution of the fluid and uniform removal properties of the flowable adsorption medium. This known flow bottom is provided with removal funnels for the flowable bulk material that are arranged in a honeycomb fashion adjacent and behind one another, whereby in the side walls through openings for the fluid are provided. Above each through opening a roof-shaped distributing element for the fluid is arranged such that it spans the funnel from one wall to the other in a bridge-like manner.
The invention solves the problem of providing a uniform inflow and through flow of the fluid to be treated through the adsorption medium bed and a uniform and disruption-free removal of the adsorption medium through the absorber floor with especially simple constructive means.
SUMMARY OF THE INVENTION
In the adsorption device of the aforementioned kind this object is inventively solved by forming a gutter or trough which is open to the top between oppositely slanted walls of the floor, in which alternatingly fluid inflow openings and funnel mouths are arranged, and in which each distributing element is provided in the shape of a pyramid hood, a cone hood, a pyramid sector hood, or a cone sector hood, the lower edges of which at least with portions thereof are vertically spaced from the oppositely slanted side walls of the floor for forming the fluid inflow openings.
The device of the present invention for separating undesired exhaust gas components from a fluid primarily characterized by: arranged parallel to one another and forming between each first and second sidewalls a gutter open in a direction toward the top, with sections of the gutter forming removal funnels, each having a funnel mouth, for removing the granular adsorption medium; into the reaction chamber, the funnel mouths and the fluid inflow openings arranged alternatingly in the gutters, wherein the funnel mouths are arranged to form a grid structure; and
the bottom further having distributing elements for covering the fluid inflow openings, the distributing elements having a shape selected from the group consisting of a pyramid, a cone, a pyramid sector, and a cone sector, the distributing elements having lower edges that are vertically spaced at least with portions thereof from the oppositely slanted sidewalls for forming the fluid inflow openings.
Preferably, each distributing element has maximum cross-sectional dimensions in a direction of the longitudinal extension of the gutter or transverse thereto.
Advantageously, each funnel mouth is partially overlapped by distributing elements adjacent to the funnel mouth.
Expediently, the device further comprises an inflow channel having a rectangular cross-section, an
REFERENCES:
patent: 2882912 (1959-04-01), Reeg et al.
patent: 4308669 (1982-01-01), Noyes et al.
patent: 4441898 (1984-04-01), Revell
patent: 4712311 (1987-12-01), Peifer
patent: 4784836 (1988-11-01), Karlsson et al.
patent: 5169607 (1992-12-01), Krambrock et al.
Bruggendick Hermann
Klinginger Karl
Crawford L. M.
Steag Aktiengesellschaft
Warden Robert J.
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