Heat exchange – With cleaning means for heat exchanger
Patent
1992-05-20
1992-12-22
Flanigan, Allen J.
Heat exchange
With cleaning means for heat exchanger
122379, 122395, F28G 1300
Patent
active
051727579
ABSTRACT:
A method for removing soot or the like adhered to heat transfer tubes of a heat-exchanger by providing a steel ball scatterer above the heat transfer tubes and intermittently scattering steel balls towards the heat transfer tubes, is improved. The improvements reside in that a steel ball scattering rate is set to a small initial rate at the commencement of the scattering operation and thereafter is increased either in a stepwise manner or continuously. Preferably, within a main body casing of the heat-exchanger, a plurality of steel ball collision preventing plates having their central portions extending convexly upwards are provided between the steel ball scatterer and the heat transfer tube group, in order to prevent fins of the heat transfer tubes from being damaged by steel balls falling from the steel ball scatterer and directly colliding against the fins.
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Fujiike Hiroshi
Higashi Tsuneo
Kato Masami
Makino Katsuaki
Miyamoto Hiroshi
Chubu Electric Power Company Inc.
Flanigan Allen J.
Mitsubishi Jukogyo Kabushiki Kaisha
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