Typical glazed clay roofing tile production technological parameters

The production technological parameters is depend on the raw material,fuel,capacity condition etc. Here list a typical glazed clay roofing tile production technological parameters from a clay roofing tile plant in Shangdong,China.

I Raw material preparation:

1. Jaw crusher: feed granularity <150mm, give granularity <20mm.

2. Roller crusher: The first time crushing clearance 1.8-2mm

                             The second time crushing clearance 0.8-1mm

II Drying

Max.Temperature 60~75℃

Drying period>=40 hours

III Firing:

1. Max.Temperature:1025℃

2. Car-in speed: 20.2min/car

3. Firing period: 19.6 hours

4. Water absorption rate: 3.5-4%

IV Glazed production technology

1. Add water 800kg, grinding 10 hours, and granularity pass 325 mesh

2. Glaze viscometer: 730

3. Glaze water absorption rate: 35-40%

4. Glaze proportion: 1.64-1.66

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1月
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