×

Method of removal of impure gases at the time of scrap preheating, and equipment for use of same

  • US 4,492,567 A
  • Filed: 10/20/1983
  • Issued: 01/08/1985
  • Est. Priority Date: 10/20/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method of preheating scrap metal with impure gases containing particulates and discharging from a metallurgical furnace, the method comprising the steps of:

  • burning said impure gases in a combustion chamber,conducting a first portion of the combustion products from said combustion chamber to a container of scrap metal,contacting the scrap metal with said combustion products for preheating the scrap whereby additional impurities are generated and entrained in said combustion products,washing in a wet scrubber the combustion products and entrained additional impurities,mixing the first portion of the combustion products and entrained additional impurities after wet scrubbing with a second portion of the combustion products from said chamber,and removing particulates from the mixture of the second portion of combustion products and the first portion of combustion products and the entrained additional impurities after the wet scrubbing thereof.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×