About plants & system
The Lakshsheela Technologies philosophy is to provide our customers with a production system designed as a solution for the specific needs of the market in terms of capacity and product range. The Lakshsheela Technologies can offer this high degree of flexibility in plant design, based on know-how and experience in both tilt-cake and flat-cake systems. Performance is guaranteed through the use of proven standard machine modules and components.
Raw material preparation
A ball mill finely wet-grinds the quartz sand with water to a sand slurry, which is then mixed with lime, cement, gypsum and aluminium powder/paste.
Casting and rising
The mix is poured into moulds. In the rising area the cake pre-cures for ca. 2 –3 hours and is then ready for cutting.
The tilting crane tilts the mould by 90°. The crane unlocks the mould and removes the mould body, so that the cake remains on one mould side/platform for cutting. This tilting system has proven to be the safest method for tilting the cake into the vertical cutting position, as the cake is tilted onto the same side that it rose on.
The cake in cut by high precision cutting machines. Cutting is done by pneumatically tensioned cutting wires.
Back-tilting and bed removal
In most tilt cake systems the cake is autoclaved in the vertical position. The Lakshsheela technologies KBT-S and KBT systems have combined the advantages of the tilt-cake and flat-cake system.
The cakes on the cooking frames get stacked three high and are then fed into the autoclave, where they are cured for 10-12 hours at a temperature of 190°C with saturated steam at a pressure of 12 bar.
Unloading and packaging
After the autoclaving is completed the cakes are destacked and the cakes are unloaded from the cooking frames. Depending on product specification and raw material quality, it might be necessary to separate the layers.
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