| 摘要 |
<p>1446524 Gas cleaning GOTTFRIED BISCHOFF BAU KOMPL GASREINIGUNGSUND WASSERRUCKKUHLANLAGEN KG 6 Nov 1974 [6 Nov 1973 20 Aug 1974 (2)] 48163/74 Heading B1R [Also in Division Fl] A gas cleaning plant for throat gases from a blast furnace 1 comprises in the direction of flow of the said throat gases, a crude throat gas pipe 2, a coarse particle separator 3, a prewasher 4, differential pressure washer means 6 having an adjustable flow control element, drops separator 7 and a clean gas offtake 9, wherein the washer means is in a control system as the sole means for adjusting the throat gas pressure prevailing at the throat of the furnace 1 and consists of two sets of differential pressure washing apparatus 10 and 11 in the form of adjustable annular gap washers either in parallel (as illustrated) or in series, washer 10 controlling via insert 12 the throat gas pressure via control system 32, washer 11 having connected downstream thereof via 24 an expansion turbine 26 driving an electricity generator 25. The washers 10 and 11 are set in the sloping floor 15 of prewasher 4, sludge being drawn off via 16. The drop separator 7 contains swirl blades 8.</p> |
