초록 ▼

Apparatus for preheating scrap material, e.g. scrap metal, comprises heaters, such as air preheaters, scrap containers and air or gas conduits for conveying heated gas from the heaters to the scrap container(s) and back from the scrap container(s). The apparatus is characterized in that the conduit

Apparatus for preheating scrap material, e.g. scrap metal, comprises heaters, such as air preheaters, scrap containers and air or gas conduits for conveying heated gas from the heaters to the scrap container(s) and back from the scrap container(s). The apparatus is characterized in that the conduit to the scrap container(s) is provided with valve means for diverting the flow of hot air or gas to the container(s), for example during replacement of container(s).

대표청구항 ▼

A method of preheating scrap material comprising repeatedly indexing a support means; between indexing movements of the support means loading onto the support means containers containing scrap material to be preheated for subsequent indexing movement into and out of at least one preheating station,

A method of preheating scrap material comprising repeatedly indexing a support means; between indexing movements of the support means loading onto the support means containers containing scrap material to be preheated for subsequent indexing movement into and out of at least one preheating station, unloading containers which have been indexed through the or each preheating station and which contain preheated scrap material, and supplying heated gas to the or each preheating station for preheating scrap material contained in containers supported by the support means at the or each preheating station; and diverting the flow of heated gas to the or each preheating station during indexing movements of the support means.