Improved Kiln for Burning Limestone

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Building, Chemical and allied process industries

Salient Technical Features

Mixed-feed (coal fired) vertical shaft masonry ecased in RCC ring beams and columns with thermal efficiencies 10-15% higher than conventional lime kilns

Environmental Aspects

A pollution control system has been developed and patent filed

Level/Scale of Development

Designs developed for capacities 5,10 and 15 tonnes of quick lime per day

Status of Commercialization

Licensed, Technology in production

Raw Mateials

Limestone (calcitic as well as dolomite), masonry structure lines with refractory bricks


Vertical shaft lime kiln charging device

Technology Package

Design drawings of lime kiln, equipment specification for charging device

For further information please contact

Dy. Director & Head
Research Planning & Business Development
Central Building Research Institute,
Roorkee- 247 667 (India)