High Comment Gypsum Frying Boiler- Ebullience Calciner

Specifications

New-type Gypsum frying boiler- ebullience calciner

Technical features of ebullience calciner:

1. The equipment is delicate and owns a large production capacity.
    The production capacity of the ebullience calciner is essentially decided by the quantity of heat transferred by heat source through heater wall to the material. Because the material completely realizes fluidization, it is unnecessary to install blending equipment within the ebullience calciner, many heat pipes can be installed with high density so the small-size furnace shall have large heat-transfer area. Besides, the heat source adopted by ebullience calciner is saturated steam or heat oil, their coefficient of heat transfer is one order of magnitude higher than that of hot smoke. The heat transfer equation shows large coefficient and area of heat transfer, which lead to large amount of heat transfer. That is to say that the ebullience calciner has a large production capacity, for example, the diameter of 5T-capaciaty ebullience calciner is 1.3m, while for the diameter of 20T-capacity ebullience calciner, 2m is enough, which is incomparable for other traditional external-heating type calcinin equipment. 

2. Structure is simple and hard to destroy.
    Owing to the fluidization of the materials, rotating parts are not needed and the structure is much simpler, which is convenient for manufacturing and maintenance is not required after put into production. Since the low-temperature heat source is adopted, the furnace shall not be threatened by burning at all events and the equipment has a long service life.

3. The equipment is compact and covers small areas.
    the ebullience calciner is standing equipment; the dust collector covers the upper furnace body and is integrated with the furnace. The equipment is quite compact so it covers small areas and avoids the dew of the dust collector. 

4. Low energy consumption:
    The heat energy consumption and electricity consumption of the ebullience calciner are low. Heat energy: as to the heat energy transferred from heat source to materials, only a small amount is used to heat the blasted cold air at the bottom of the furnace or is lost from heat dissipation of the furnace body, most heat is applied to the dehydration and decomposition of the materials. The heat efficiency of the furnace is above 95%. Of course, the ebullience calciner uses the secondary heat source and the final heat efficiency shall have the efficiency of the furnace multiplied by the heat efficiency of the boiler. However, the steam boiler or the hot oil boiler is mature thermal equipment and their heat efficiency is relatively high. The heat efficiency of the steam boiler generally can reach to 60-70% and the hot oil boiler can reach to 70-80% (Our company’s program adopts organic heat-transfer material heater). Therefore, the total heat efficiency of the ebullience calciner is relatively high and adopts steam, primary energy, but the heat efficiency is seldom above 50%. At home, the heat consumption index of the ebullience calciner is 7.7*105KJ/t building gypsum. Electricity energy: the ebullience calciner requires no rotating and no blender; the materials realize fluidization mainly by the steam from gypsum dehydration; the required blasted air at the bottom of furnace is very limited; so the power of the air blower is very low and the ebullience calciner requires much less electricity consumption than that of traditional calcination equipment.

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