Patent · US Expired

Gas transferring apparatus in coke oven

US4465557A · kind A · utility

3Cited by
6References
40Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 3, 1982
Grant dateAug 14, 1984
Priority date
Expiry dateMay 3, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10B27/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An apparatus for transferring between chambers of a coke oven charging gases which develop during the charging of the chambers, while preventing the escape of the gases to the surrounding environment, includes first and second covers mounted for movement between first positions closing charging openings through an oven roof and second positions uncovering such openings. Ducts surround the peripheries of the first and second openings, such ducts being filled with a displaceable sealing medium. First and second housings form respective first and second compartments enclosing the first and second covers, respectively, at all positions thereof. The first and second covers have apron members extending into the displaceable sealing medium in the respective ducts when the covers are in the first positions thereof. The housings have at lower portions thereof seals for sealing the compartments from the exterior. First and second lifting devices are associated with the respective housing to move the first and second covers, respectively, within the respective compartments between the first and second positions of the covers. A transfer duct extends between the first and second compartments f…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.