Process for the production of a ceramic heat-retaining brick

Details Process for the production of a ceramic heat-retaining brick Process for the production of a ceramic heat-retaining brick

1979-11-26

1981-05-05

Thurlow, Jeffery R.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

106 60, 264 65, C04B 3520

Patent

active

042658454

ABSTRACT:
There is disclosed a process for the production of a ceramic heat-retaining brick based on olivine which comprises shaping and drying a mixture of granular material and a binding agent. The granular material includes powdered iron having a particle size of less than 0.1 mm in an amount of between 5 and 20% by weight of the brick. The brick is subsequently burnt in an oxidizing atmosphere and the powdered iron is substantially converted to iron oxide.

REFERENCES:
patent: 3285761 (1966-11-01), Hare et al.
patent: 3288617 (1966-11-01), Heuer
patent: 3297457 (1967-01-01), Charvat
patent: 3312557 (1967-04-01), Havranek et al.

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