| 摘要 |
1530836 Waste gas silencing; preheating combustion air LUDWIG-OFAG-INDUGAS INDUSTRIEOFENANLAGEN GmbH 15 June 1977 [2 July 1976] 24946/77 Headings F4T and F4B A silencer 5 for the waste gas outlet 2 of a furnace comprises outer and inner shells 6, 7, forming an air preheater space 9, and a silencing space 8 with inserts 10, which also serve as elements of the preheater. The waste gases leave a radiant tube 1 and pass through space 8 to outlet 14, and combustion air flows from an inlet 15 through space 9 and into tube 1 through a union 3. Shell 6 is insulated and wire netting 13 is located between shell 7 and an insert 12, which latter may be hollow to allow some of the waste gas to pass therethrough. |
