Process of cooling glass and fluidisation apparatus for use...

Details Process of cooling glass and fluidisation apparatus for use... Process of cooling glass and fluidisation apparatus for use...

C - Chemistry, Metallurgy

03

B

49/77

C03B 27/04 (2006.01) C03B 27/02 (2006.01) C03B 27/052 (2006.01) C03B 32/00 (2006.01)

Patent

CA 1148743

ABSTRACT To achieve favourable and uniform rates of heat exchange in a process for cooling glass (e.g. in order to temper it) by introducing the glass into a fluidised bed of particles, the velocity of the fluidising gas is above the value V0 corresponding with the expansion peak on the bed height/gas velocity curve but not more than 1.2 times that value. A fluidisation apparatus suitable for use in such process comprises a pressure chamber surmounted by a flui- dising vessel whose floor is porous, the pores being less than 60 microns in size.

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