3632974

Information

• Patent Grant
• 3632974

• References
• Source

• Patent Number

  3,632,974

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • F28C3/12 - the heat-exchange medium being a particulate material and a gas, vapour, or liquid
  • C01B17/52 - by roasting sulfides
  • C22B1/02 - Roasting processes
  • C22B1/14 - Agglomerating Briquetting Binding Granulating
  • F26B3/205 - the materials to be dried covering or being mixed with heated inert particles which may be recycled
  • Y10S159/03 - Fluidized bed

• US Classifications

  • 392 - Electric resistance heating devices
  • 034 - Drying and gas or vapor contact with solids
  • 159 - Concentrating evaporators
  • 165 - Heat exchange
  • 219 - Electric heating
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 432 - Heating