Heat exchange – With cleaning means for heat exchanger
Patent
1981-06-30
1983-12-13
Richter, Sheldon J.
Heat exchange
With cleaning means for heat exchanger
15 351, F28G 112
Patent
active
044200382
ABSTRACT:
In a cleaning system for heat conductive conduits of a heat exchanger, a great number of balls are circulated through the conduits for mechanically removing incrustations formed on the inner surfaces of the conduits. In order to automatically operate the cleaning system, there are provided with ball counters, one of which counts the number of balls actually circulating the system and the other count the number of balls to be withdrawn out of the system or replaced with new balls because of worn out or breakage. The number of balls circulating is always maintained at a certain level necessary for effective cleaning by a controller which actuates various valves to maintain the number of balls in response to the signal generated by the ball counters.
REFERENCES:
patent: 3021117 (1962-02-01), Taprogge
patent: 3919732 (1975-11-01), Honma et al.
patent: 4314604 (1982-02-01), Koller
Miyai Masahiko
Mukai Yasuteru
Okouchi Isao
Otake Katsumoto
Sasaki Takuya
Hitachi , Ltd.
Richter Sheldon J.
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