|The Ajax Metallurgical Service Laboratory has the technical expertise you need for better salt bath heat treating & processing.|
Salt Bath F.A.Q's
|What about Environmental Considerations?||Several processes and material handling
systems - from simple hand held units to completely automatic, computerized
desludging and counterflow wash/rinse systems - are available to treat
salts, scrubber run-offs, and salt residues for environmental
•Econosal™ for Nitrite/nitrate salt recycling
•BaClean™ for Barium chloride detoxification to water-soluble and harmless barium sulfate.
•Hexavalent Chromium Conversion in alkaline or aqueous solutions to water-insoluble trivalent chromium hydroxide.
•Hydroxide neutralization to harmless alkali chlorides
|How much maintenence is required?||Maintenance and operation of salt
baths cannot be seperated. Salt baths are by nature a corrosive environment,
and preventive as well as prompt corrective maintenance are a necessary
part of salt bath operation for specification performance.
An inventory of spare parts permits quick replacement of electrodes, resistance heaters, radiant tubes, switches, pots, pumps, motors, and thermocouples.
|What are some safety issues?||Any industrial operation can be hazardous
when carried out incorrectly. Salt baths run at high temperatures, and
while the bath itself is not flammable, it can promptly ignite combustibles
that come in contact with it.
•Personnel must take logical precautions to protect themselves from contact with molten salts or any vapors.
•Introduction of water into high temperature baths may cause steam or salt eruptions to occur.
•Mixing unlike salts carries the danger of potential explosion.
•Inadvertant dipping of certain aluminum-magnesium alloys can produce explosion.
•Steel hardened in a cyanide bath must have cyanide completely removed prior to a nitrite bath to prevent an explosive cyanide/nitrate mixture.
AJAX representives will instruct you in the proper operation of its systems to avoid these known hazards.
AJAX Electric Company
60 Tomlinson Road
Huntingdon Valley, PA. 19006 U.S.A.
Phone: (215) 947-8500 • (800) 516-9916 • Fax: (215) 947-6757
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