Device for cleaning inner surfaces of heat exchanger tubes

Details Device for cleaning inner surfaces of heat exchanger tubes Device for cleaning inner surfaces of heat exchanger tubes

1988-11-17

1990-04-17

Cohan, Alan

Heat exchange

With cleaning means for heat exchanger

15104062, F28G 112, B08B 904

Patent

active

049171763

ABSTRACT:
A device for cleaning inner surfaces of heat exchanger tubes including a pair of main cleaning device bodies each having a moving device and a brush driving device disposed on opposite tube plates on which each opened end of the heat exchanger tubes is disposed. At least one of the pair of main cleaning devices is provided with a cleaning brush changing device, and each brush driving devices is made to correspond to the opened end of the same heat exchanger tube so that pressurized fluid is alternately supplied to each of the corresponding brush driving device from a pressurized fluid supplying unit and thereby the cleaning brush is moved. As a result of this, only one cleaning brush can clean a multiplicity of heat exchanger tubes. Furthermore, since a brush changing device is provided, the cleaning brush can be at need replaced by fresh one so that a further number of heat exchanger tubes can be cleaned.

REFERENCES:
patent: 3531813 (1970-10-01), Hurst
patent: 4467488 (1984-08-01), Creek
patent: 4627486 (1986-12-01), Baron
patent: 4716611 (1988-01-01), Barry

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