Micro and nano-grade active light calcium carbonate automated production system
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An active, lightweight, production system technology, applied in the direction of calcium carbonate/strontium/barium, etc., can solve the problems of affecting the health of operators, difficulty in large-scale production, and increasing production costs, so as to avoid heat loss, eliminate pollution, and save energy. cost effect
Inactive Publication Date: 2014-05-07
SICHUAN HAIYA POWDER TECH CO LTD
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[0004] Each step in the prior art is an independent production unit, and the production process is intermittent production. The transmission of materials between each production unit needs to be transported manually, which is labor-intensive and time-consuming, which affects the improvement of production efficiency and is difficult to achieve large-scale Production, and the existing production devices are all open structures, there is a lot of dust in the production workshop, and the air pollution is serious, which affects the health of the operators; when the limestone is calcined in the prior art, it is all calcined limestone blocks. In order to be able to calcine fully, Longer heating time and higher heating temperature are required, so more heat energy is required, which increases the production cost. After the calcination, the limestone needs to be taken out from the calcination furnace, and the heat energy in the calcination furnace leaks, resulting in waste of resources
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[0025] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:
[0026] Such as figure 1As shown, the automatic production system of microfine and nanoscale active light calcium carbonate includes a feeding system 1, a burner 24, a calcination tower 2, a heat exchanger 3, a cooler A4, a cyclone separation device A5, a spray device 6, Carbon dioxide collection and addition system 20, emulsifier 7, static equipment 8, cooler B9, carbonization device, filter 15, dryer 16, dryer 17, cyclone separation device B18 and trap A19, such as figure 2 As shown, the carbonization device includes air compressor A31, carbonization machine A10, crystal particle size and dispersion processing system A11, air compressor B32, carbonization machine B12, crystal particle size and dispersion processing system B13, air compressor C33, carbonizer C14 and refrigerating machine 38, carbon...
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Abstract
The invention discloses a micro and nano-grade active light calcium carbonate automated production system comprising a feeding system (1), a combustor (24), a calcining tower (2), a heat exchanger (3), a cooler A (4), a cyclone separation apparatus A (5), a spraying apparatus (6), a carbon dioxide collection and addition system (20), an emulsifying machine (7), a standing device (8), a cooler B (9), a carbonization apparatus, a filtering machine (15), a bake-drying machine (16), a drying machine (17), a cyclone separation apparatus B (18), and a catching machine A (19). The production system provided by the invention has the advantages that: a closed processing apparatus is adopted, such that heat energy utilization rate of the apparatus is improved, heat energy loss is avoided, environment pollution caused by production is eliminated, operator working environment air quality is improved, and cost is saved. With the system, carbonization efficiency is improved. The reaction temperature in the tower can be conveniently controlled. An accumulated liquid and scale removing apparatus is provided, such that condenser pipe scale can be conveniently removed.
Description
technical field [0001] The invention relates to an automatic production system of micro- and nano-scale active light calcium carbonate. Background technique [0002] Ultra-fine and nano-scale active light calcium carbonate is widely used in the production of rubber, plastic, paper, high-grade paint, high-grade paint, ink, etc., and can also be used in food, toothpaste, cosmetics, medicine and other daily chemical products. It is also widely used in the production of metallurgy and glass. [0003] The production method of existing calcium carbonate comprises the following steps: 1, crushing, putting the limestone raw material into a crusher for crushing; 2, screening, washing, placing the crushed limestone in a sieve with an aperture of 5 cm for screening, and simultaneously Rinse the sieved limestone with water; 3. Calcination, place the screened and washed limestone in a vertical kiln for calcination, the calcination temperature is 900-1300°C, and the calcination time is 3...
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