The main refractories for CDQ are NM β–SiC brick, AT mullite silicon carbide brick, BT mullite silicon carbide brick, AM mullite brick, BM mullite brick, AN clay brick, BN clay brick and so on.

AT mullite silicon carbide brick is mainly used in coke dry quenching chute;

BT mullite silicon carbide brick is mainly used in dry quenching coke oven mouth;

AM mullite brick is mainly used for coke dry quenching ramps, annular air ducts and primary dust removal parts;

BM mullite brick is mainly used in the cooling section of CDQ;

AN and BN clay bricks are mainly used in the pre-existing section of dry quenching.