Baking soda preparation device and preparation method
A preparation device and baking soda technology, applied in the field of chemical machinery, can solve problems such as waste of raw materials, imbalance, insufficient reaction of carbonization equipment, etc.
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[0072] Such as Figure 1-4 As shown, the baking soda preparation apparatus includes CO 2 Output device, Na 2 CO 3 Solution preparation device, carbonization device, crystallization tank 4, first centrifuge 5, drying bed 61, mother liquor tank 62, mother liquor recovery device, heating device and CaCO 3 Preparation of device 9.
[0073] CO 2 The output device consists of CaCO connected sequentially through pipelines 3 Calcination kiln 11, CO 2 Dust removal and denitrification device 12 and CO 2 Desulfurization tower 13, CO 2 Dust removal and denitrification device 12 is used to remove CaCO 3 Dust and nitrogen oxides in calcination flue gas, CO 2 Desulfurization tower 13 is used to remove CaCO 3 Sulfur oxides in calcination flue gas.
[0074] Na 2 CO 3 The solution preparation unit includes Na 2 CO 3 Storage bin 21, first water supply device 22 and alkali-dissolving tank 23. Na 2 CO 3 The storage bin 21 communicates with the inner chamber of the alkali-dissolvi...
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