Fuel for firing into rotary kiln cement clinker
A technology for cement clinker and rotary kiln, which is applied to fuels, solid fuels, biofuels, etc., can solve the problems of small actual substitution, large mixing amount, poor coal type selectivity, etc., to promote output and quality, and wide selection , the effect of reducing the firing temperature
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Embodiment 1
[0019] Example 1: A fuel used for burning cement clinker in a rotary kiln. The raw materials are peanut shells, sawdust from the bamboo and wood processing industry, pressed tea seed oil cake, and anthracite. The industrial analysis results of each raw material are shown in Table-1 , by weight percentage: peanut shell 35%, sawdust 41%, tea seed oil cake 13%, anthracite 11% to prepare the fuel for the cement clinker of the rotary kiln, and its preparation method is: the peanut shell that cools and dries in advance 1. Pulverize the tea seed oil cake into 40-50 mesh powder, dry the sawdust until the water content is less than 3.0%, grind the anthracite until the residue on the 80um square hole sieve is less than 15%, and mix evenly. Table-2 is the technical and economic indicators of the rotary kiln system when the cement clinker of the rotary kiln is fired with two different fuels, high-quality bituminous coal and the fuel of the present invention, under the same other technologi...
Embodiment 2
[0020] Example 2: A kind of fuel used for burning cement clinker in a rotary kiln. Cotton stalks in straw materials, bamboo joints and anthracite from scraps in the bamboo and wood processing industry are selected as raw materials, and the raw materials are based on industrial analysis results. See Table-1, by weight percentage: cotton stalk 20%, bamboo knot 65%, anthracite 15% to prepare the fuel for rotary kiln cement clinker burning, and its preparation method is: pre-cool cotton stalk, bamboo knot Dry in the sun until the moisture content is less than 3.0%, then pulverize them into 30-50 mesh powders with a pulverizer, and grind the anthracite until the 80um sieve residue is less than 15%, then mix evenly. The implementation effect is detailed in Table-2.
Embodiment 3
[0021] Embodiment 3: A kind of fuel that is used for cement clinker burning of rotary kiln, selects shrubs and miscellaneous trees among forest products, rice bran and coke that are the by-products of grain processing industry as composition raw materials and prepares for cement clinker burning of rotary kiln For fuel, the industrial analysis results of each raw material are shown in Table-1. After drying the small shrubs and miscellaneous trees in the sun and crushing them into 30-50 mesh powders, and grinding the coke powder until the sieve residue of 80um is less than 10%, press the shrub miscellaneous 30% of tree powder, 60% of rice bran, and 10% of coke are metered by metering pumps, and sprayed into the rotary kiln through multi-channel conveying pipeline burners at the same time as fuel for white cement clinker firing. Table-3 is a comparison table of the technical and economic effects of burning white cement clinker with high-quality bituminous coal and the fuel prepare...
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