Boiler

申请号 JP2047181 申请日 1981-02-14 公开(公告)号 JPS57134645A 公开(公告)日 1982-08-19
申请人 Sagami Plant Service:Kk; 发明人 IKEDA TOSHIO;
摘要 PURPOSE:To facilitate the control of combustion of a solid fuel and enhance heating efficiency by a method wherein at least two furnaces are provided in a water chamber and air is supplied to each of the furnaces from above and below. CONSTITUTION:A tank part 18 is formed in the interior of a casing 10 by a partition plate 16, and two furnaces 12, 14 are placed in the tank part 18. The furnace 12, 14 consists of a lower cylinder 20 and an upper cylinder 22 which has a relatively smaller diameter. An upper part of the lower cylinder 20 is partitioned by a flange 24 to form a chamber 52, the side wall of the cylinder 20 is provided with a fuel charge port 26 and an ash raking-out port 28, and the upper cylinder 22 is communicated into an exhaust pipe 46 through an opening provided at its side wall. A blowing port of a blower 48, 50 is communicated into an air supply disk 34 provided at the bottom part of the furnace 12, 14 so as to supply air through a perforated plate at the upper surface of the disk 34, while a blowing pipe is branched and is connected to an air supply pipe 42 inserted into the furnace 12, 14 from the top part of the furnace. The lower end of the air supply pipe 42 is located to penetrate through an opening formed at the flange 24, and a plurality of holes 43 are formed in the peripheral wall of the air supply pipe 42.
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