Electrode tip for high voltage electrodes of the type utilized i

Details Electrode tip for high voltage electrodes of the type utilized i Electrode tip for high voltage electrodes of the type utilized i

1975-09-26

1977-09-27

Bartis, A.

Electric heating

Heating devices

Combined with diverse-type art device

219275, 219285, 219294, 338 86, H05B 360, F22B 130, H01C 1002

Patent

active

040513459

ABSTRACT:
A jet-protected electrode tip for high voltage electrode boilers from which boiler water is taken, mixed with the boiler feedwater or other water of lower temperature taken from an outside source and pumped through circuits terminated by a nozzle located below and pointing upward towards the tip of each electrode. A boiler having this distinguishing feature is commonly referred to as a jet-flow electrode boiler. The water is discharged through the nozzle and ejected as a jet stream having sufficient velocity to prevent oscillation thereof about the electrode tip. The improvement comprises passing a portion of the jet stream as a continuous stream through an inlet passage leading to a central chamber in the electrode tip, thereby maintaining electrical contact between the jet and the electrode tip. The inlet passage is disposed on the central longitudinal axis of the electrode. At least two return passages extend from the central chamber to the outer wall of the electrode tip body in a downward direction relative to the longitudinal axis of the electrode whereby water entering the central chamber of the electrode tip through the inlet passage in an upward direction, is returned out of the central chamber of the electrode tip through the return passages to the space below the electrode tip where the cooling effect of the returned water limits the steam generation in the space below the electrode tip. The electrode tip construction provides a number of advantages including the use of boiler water of higher conductivity resulting in great operating efficiency.

REFERENCES:
patent: 2088932 (1937-08-01), Stalhane
patent: 2676240 (1954-04-01), Eaton
patent: 3138696 (1964-06-01), Eaton
patent: 3496334 (1970-02-01), Williams

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