APPARATUS FOR CLEANING COKE-OVEN DOORS Russian patent published in 1997 - IPC

FIELD: coke production. SUBSTANCE: invention relates to cleaning sealing surfaces of coke- oven doors to remove graphite and tar deposits. Stop 6 is mounted on basement 8 coaxially with one of springs 9 and is joined with it which enables constant contact of stop with transition member 4. Holding 7 supports pivoting cleaning member 12. Member 12 is made in the form of rod 10, along which plates 11 are rigidly and radially fastened with constant pitch. Initial position of cleaning member 12 with holder 7 is provided by springs 9 and stop 6. EFFECT: ensured integrity of refractory masonwork of coke-oven door when installed into cleaning apparatus with simultaneously monitoring varying slope of surface being cleaned. 2 cl, 1 dwg