Device and method for improving dust removing effect of water-film dust remover
A water film dust collector and water film technology, applied in chemical instruments and methods, combined devices, separation methods, etc., can solve the problems of poor dust removal effect of water film dust collector, environmental pollution, loss of precious metals, etc.
Inactive Publication Date: 2015-09-09
威海恒邦化工有限公司
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Problems solved by technology
According to the national "Comprehensive Emission Standards of Air Pollutants", the concentration of fugitive emission of dust particles is 100mg / m 3 , so if the dust removal effect of the water film dust collector is not good, the evacuated dust will cause environmental pollution and cause the loss of precious metals
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[0011] As shown in the figure, a special steam injection device is installed at the vertical inlet pipe of the water film dust collector. The steam is required to be supersaturated steam, and the steam pressure must be greater than the total pressure of the flue gas. When the steam collides with the flue gas, the steam pressure in the flue gas increases. As the saturation of the flue gas increases, the tiny particles in the flue gas will condense into large particles, and then enter the water film dust collector to increase the collection efficiency of the smoke dust, thereby increasing the dust removal effect of the water film dust collector and avoiding environmental pollution and loss of precious metals.
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The invention relates to a method for improving the dust removing effect of a water-film dust remover. The method is characterized in that a steam vertical-spraying device is additionally arranged at an inlet pipe of the water-film dust remover. The method has the advantages that fine dust in unsaturated gas is gathered by increase of the steam pressure in dust-containing gas, and the dust is absorbed by action of washing water, so that the dust removing effect of the water-film dust remover is improved, the environment pollution is reduced and the loss of noble-metal dust is reduced.
Description
technical field [0001] The invention relates to the field of dust removal, in particular to a device and method for increasing the dust removal effect of a water film dust collector. Background technique [0002] When the flue gas absorbed by the water film dust collector is an unsaturated gas, the water film formed by the sprayed washing liquid will greatly reduce the effect of collecting tiny particles in the flue gas running at high speed, and the tiny dust particles will follow the flue gas. Emission will pollute the environment. If the smoke contains precious metals, it will inevitably cause a large amount of economic losses. After the steam injection device is added to the inlet pipe of the dust collector, the supersaturated steam collides with the flue gas, the steam pressure in the flue gas increases, and the saturation increases, and the tiny particles in the flue gas will condense into large particles, and then enter the water film The dust collection efficiency w...
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IPC IPC(8): B01D50/00B01D47/00
Inventor 王磊陈思涛赵伟费晓臣
Owner 威海恒邦化工有限公司
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