18-07-2023 дата публикации
Номер: CN116447635A
Принадлежит:
The invention is suitable for the technical field of boilers, and provides a direct-fired boiler which comprises an inner cylinder, a gas inlet assembly, a gas outlet assembly, a gas outlet assembly and a gas outlet assembly, a first end block is arranged at one end of the inner cylinder, a flue gas inlet is formed in the end, close to the first end block, of the inner cylinder, and a second end block is arranged at the end, away from the first end block, of the inner cylinder. The air inlet assembly comprises an air inlet, the air inlet is connected with a hollow connecting ring, a plurality of air guide pipes are annularly arranged on the hollow connecting ring in the circumferential direction of the inner cylinder, and a plurality of air blowing inclined rods are arranged on the sides, pointing to the axis of the inner cylinder, of the air guide pipes. And the heat exchange assembly comprises a second heat exchange sleeve, the second heat exchange sleeve is sleeved with a first heat ...
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