Method of improving the product properties of clinker in the firing of raw meal
AssigneeHolcim Technology Ltd
InventorsAlbert Obrist, Peter Von Zedtwitz, Christian Wieckert
Life of this patent
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Abstract
Method of improving the product properties of clinker in the firing of raw meal in a clinker or cement furnace in which at least part of the fuels used are low-heating-value or alternative fuels, waste products containing organic substances or low-heating-value or alternative fuels are subjected to thermal dissociation and reaction of the dissociation products using radiant energy. The product gas or synthesis gas formed in this way is fed to the burners of the main firing facility to increase the flame temperature.
Claims19
A method of producing a product gas or synthesis gas to use as a fuel in a clinker or cement furnace, comprising the steps of:
- in a solar gasification reactor, subjecting to radiant energy at least one of alternative fuels, low-heating-value fuels, and waste products containing organic substances to cause thermal dissociation thereof at temperatures of more than 700° C., to produce a product gas or synthesis gas, and
- feeding said product gas or synthesis gas to burners of the clinker or cement furnace to increase flame temperature.
Dependencies are inferred from the claim text.