Method to prevent the formation of incrustations on working elec

Details Method to prevent the formation of incrustations on working elec Method to prevent the formation of incrustations on working elec

1975-03-24

1977-07-19

Tufariello, T. M.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204196, 204231, C23F 1300

Patent

active

040367169

ABSTRACT:
The present invention relates to electrically heated steam generators and means for preventing and removing incrustations due to hard water in such generators. According to the invention this is achieved by means of a superimposed direct current the polarity of which is periodically changed whereby gas bubbles, mainly carbon dioxide and hydrogen, are generated at the electrodes causing segregation and removing of incrustations on the electrodes, the method and means for feeding of the superimposed direct current being variable.

REFERENCES:
patent: 392736 (1888-11-01), Kotyra
patent: 1558647 (1925-10-01), Thalhofer
patent: 1576581 (1926-03-01), Elmore et al.
patent: 1736986 (1929-11-01), Thalhofer

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