F - Mech Eng,Light,Heat,Weapons – 22 – D
Patent
F - Mech Eng,Light,Heat,Weapons
22
D
122/40
F22D 1/00 (2006.01) F22B 1/18 (2006.01) F22B 21/06 (2006.01) F22B 21/30 (2006.01)
Patent
CA 1208507
ABSTRACT A vertical radiation tank for gaining heat from process gases of ash forming, carbon containing fuels, comprises a vessel provided inside its jacket with diaphragm pipe walls traversed by a coolant. The walls bound a flow space to be traversed by process gases, the space having at the top a central inlet for the gas, on the lower side an inverting space for inverting the direction of flow of the gas and, adjacent the inverting space, an outlet for the cooled gas. The inverting space is bounded by a water space for capturing the locally separated ash particles. In the present invention, the diaphragm pipe walls comprise a cylindrical, first diaphragm pipe wall concentric with the jacket of the vessel and covering the length of the flow space and the inverting space, a plurality of second pipe walls radially arranged inside the first pipe wall, a funnel-shaped, third diaphragm pipe wall bounding the radial pipe walls on their underside, and a short, cylindrical fourth diaphragm pipe wall adjoining the funnel-shaped diaphragm pipe wall. The third and fourth diaphragm pipe walls are formed by pipes branched from the first diaphragm pipe wall. The cylindrical first diaphragm pipe wall is formed by U-section pipes lying wholly or partly side by side, one limb of which at the top is connected with an annular collecting duct for the water supply and the other limb is connected with an annular collecting duct for the water outlet. The radial second pipe walls are formed by a plurality of co- planar U-section pipes, one limb of which at the top is connected with a collecting duct for the water supply and the other limb is connected with a collecting duct for the water outlet. With this arrangement, the overall heat exchanging surface per unit of volume of the tank is increased, so that the dimensions of the tank can be reduced.
432120
Maatschappij Tot Exploitatie Van Stork Ketels B.v.
Ridout & Maybee Llp
Ruhrchemie Aktiengesellschaft
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