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Dynamic calciner for active zinc oxide
Active zinc oxide
Molecular formula: ZnO, molecular weight: 81.37.
Characteristic: white or light yellow, ball-shape, fine powder. Specific gravity: 5.47 smelting point:
SD calcinatory
Calcining is the processes of changing character, purifying, decompositionreduction. During the calcining the materials do staticdynamic movement. The bigger the specific surface area is the faster the materials transfer heating. Eddy dynamic calcining is mixing the powder materialsheated hot air,makes a same direction movement. It is a new technologyequipment for ensuring sufficient heat exchange, decompositionimproving the quality of the products.
Working principle of the calciner
Calciner consists of air heater, mixer of gassolid, body of the calciner, separatorcollector of gassolid.
The materials are fed to the calciner by mixer of gassolid,mixed with the hot air heated by the heater. The materials move with a form of eddy,the calcining is finished in seconds. Then the gassolid are separateddischarged from discharge lips separately.
Performance of calciner
The temperature of the hot air in the calciner: 500
Fuel: solid coal, gas coal gas, natural gas, liquid diesel oil, heavy oil
Combustion mode: direct, indirect, internalexternal.
The main parts of the system:
Graft fans are usually used to make the system in negative pressure. Materials get heat by way of direct or indirect form. The end gas is separated by cyclone system, cooled by air. Bagwash water are used to collect productsclean air.
Group system of the dryingcalcining:
In order to utilize the end gassave energy, the end gas is used to supply heat to the drying systemit can preheatdehydrate the materials while reducing the temperature of end gas.
The user of dynamic calciner:
1. Taiwan Luchang Chemical Corporation ltd.
Taiwan Luchang Co.
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