| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a heating control board for a molten metal filtering/ containing tank, capable of preventing corrosion due to a chlorine gas, and having less failure, stopping and error in operation and long service life. SOLUTION: This heating control board is provided to control a temperature in a molten metal filtering/containing tank housing a filter unit formed by fixing a plurality of tubular porous filtering mediums between side plates of the filter unit, which are opposed to each other, in a containing tank constituted of a heat-insulating material. The heating control board is constituted with a casing 1 made of metal, a control equipment housed in the casing 1 and a control meter disposed on the surface of the casing 1, and openable doors 6a, 6b having peep windows 7a, 7b are hinged on the surface of the casing 1 so as to cover the control meter. An air dryer and a compressor are also disposed to send dried air into the heating control board under pressure.</p> |
