Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1981-10-29
1983-10-04
Yuen, Henry C.
Heat exchange
Movable heating or cooling surface
Rotary drum
165134DP, 73215, 122 20B, 122135R, 122136R, 1224511, 13710125, 236 121, B60H 100, B61D 2700
Patent
active
044073534
ABSTRACT:
In a boiler or an industrial furnace, a temperature detecting sensor is mounted at the heat absorbing side of a heat pipe of a waste heat recovery device which is disposed in part of the path of exhaust gas. With an output signal of the temperature detecting sensor, a flow rate control valve is controlled, and a liquid discharging shield is utilized to maintain the flow rate of the liquid to be supplied in correspondence with the flow rate of the liquid to be discharged. The effective area of the heat pipes coming in contact with the liquid is varied to maintain the temperature at a heat absorbing side higher than the dew point of sulfur oxide, thus preventing the heat pipes from corrosion, exhaust ducts and so on, and allowing heat absorbing operation to be performed in accordance with the exhaust gas discharge temperature.
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Asada Tatuo
Kurihara Masao
Nakamoto Takashi
Nakamura Tstomu
Oshiro Mitsuo
Helmbold David E.
Snow Brand Milk Products Co. Ltd.
Suzuki Metal Industry Co., Ltd.
Yuen Henry C.
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