Door and valve assembly for a charging installation of a shaft furnace

Hatch and valve arrangement for a charging installation for a shaft furnace, comprising:

• a housing, inside which is located at least one hatch and/or a valve, caused to pivot by an actuator located outside the housing and connected to the hatch or valve by a linking shaft guided in a bearing that is fixed with respect to the housing,
• wherein the bearing and the actuator are mounted on a detachable door that seals an opening made in a wall of the housing and whose dimensions are determined such that the hatch or the valve can be withdrawn transversely to an axis of the housing through said opening;
• wherein the door, the hatch or the valve and its actuator and an associated means for transmitting movement, together constitute a module that is detachable in one piece from the housing;
• and
• wherein said module is designed to be extracted in one piece from the housing.