Dust cleaning method and equipment by using cloth bag of desulfurization and fluorine removal
A bag filter and bag filter technology, applied in separation methods, chemical instruments and methods, dispersed particle separation, etc., can solve problems such as air pollution, achieve long service life, reduce content requirements, and achieve high desulfurization, defluorination, and dust removal efficiency. Effect
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[0016] Example 1: Bag dust removal device for removing toxic substances sulfur and fluorine in dust.
[0017] Contains a container 5 for storing chemical powders, the container 5 is set on the top of the bag filter, the upper part of the container 5 is provided with an openable feeding port 4, a gamma-ray level meter 6 is installed in the container 5, and the container 5 passes through a controllable valve 3 Connected to the compressed air inlet 2 and controlled by the control system to adjust its required pressure. The bottom of the container 5 is also provided with multiple connecting pipes 7 leading to the inner cavity of the working chamber 10 of the bag filter. The connecting pipe 7 is equipped with The outlet end of the control valve 8 and the connecting pipe 7 is equipped with a nozzle 9 which is placed in the inner cavity of the working chamber 10 of the bag filter.
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[0018] Example 2: A method for bag dust removal that simultaneously removes toxic substances sulfur and fluorine in dust.
[0019] First, clean the inner cavity of the working room 10 of the bag filter, and then combine the SO in the flue gas 2 , SO 3 The chemical powder CaO that reacts with HF to produce non-toxic chemical substances is added into the container 5 from the feeding port 4, and the compressed air enters the container 5 from the compressed air inlet 2 through the controllable valve 3 through the connecting pipe 7. Under the control of the control system, The CaO powder is fed into the working room 10 of a certain bag filter after the dust is cleared and the dust settled through the controllable valve 8, sprayed through the nozzle 9 and sprayed on the bag 11 in the working room 10 of the bag filter. On the surface, due to the homogenization and dispersion of the nozzle and the gravity effect of the CaO powder, the CaO powder will uniformly adhere to the surface of the...
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