| 摘要 |
PROBLEM TO BE SOLVED: To enable the reduction of a wood drying cost by obtaining a boiler having a simple structure and capable of reducing the consumption of liquid fuel oil over initial performance, in a steam wood drying apparatus to artificially dry wood. SOLUTION: The boiler mounted with a permanent magnet is provided at the outer periphery portion of the air intake of a burner. The boiler mounted with the permanent magnet is provided at the outer periphery portion of the air intake of the burner and the outer periphery portion of a feed oil pipe. The boiler mounted with the permanent magnet is provided at the outer periphery portion of the air intake of the burner and the outer periphery portion of a feed water pipe. The boiler mounted with the permanent magnet is provided at the outer periphery portion of the air intake of the burner and the outer periphery portion of a steam pipe. The boiler mounted with the permanent magnet is provided at the outer periphery portion of the air intake of the burner, the outer periphery portion of the feed oil pipe, the outer periphery portion of the feed water pipe, and the outer periphery portion of the steam pipe. The boiler mounted with the permanent magnet is provided at the the outer periphery portion of the air intake of the burner. COPYRIGHT: (C)2004,JPO
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