High-efficiency and energy-saving multi-pollutant flue-gas cleaning device
A flue gas purification, high-efficiency and energy-saving technology, applied in the field of flue gas purification, can solve the problems of high investment and operation costs, large equipment footprint, and many elbows and tees, achieving small investment, small footprint, The effect of shortening the purification process
Inactive Publication Date: 2012-06-13
CPI YUANDA ENVIRONMENTAL PROTECTION ENG
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Problems solved by technology
[0003] The shortcomings of the existing multi-pollutant flue gas purification devices are: effective energy saving considerations and optimization of the layout of the flue gas purification process have not been carried out. However, the connection of the flue is complicated, the diameter of the flue changes sharply, there are many elbows and tees, and the resistance is large, so the entire device occupies a large area, and the investment and operation costs are high.
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[0015] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0016] figure 1 It is a structural schematic diagram of the present invention, as shown in the figure, the high-efficiency energy-saving multi-pollutant flue gas purification device of the present invention includes an activated coke flue gas purification device 1, a waste heat recovery device 2, a dust collector 3 and a flue 4, the active The coke flue gas purification device 1, the waste heat recovery device 2 and the dust collector 3 are sequentially connected as a whole and arranged in the flue 4 as a whole; Removal of various pollutants in flue gas (SOx, H 2 S, NOx, heavy metal mercury, water vapor, etc.), and then reduce the flue gas temperature to above the acid dew point temperature of the flue gas through the waste heat recovery device 2 and consider a certain temperature margin (recover the waste heat to other systems of the f...
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The invention discloses a high-efficiency and energy-saving multi-pollutant flue-gas cleaning device which comprises an activated coke flue-gas cleaning device, a dust remover and a flue, wherein the activated coke flue-gas cleaning device and the dust remover are communicated into a whole and integrally arranged in the flue. According to the invention, the activated coke flue-gas cleaning device and the dust remover are combined into a whole and integrally arranged in the flue (when a waste heat recovery device is arranged, the waste heat recovery device is also combined), therefore the components of the device are reduced to the greatest extent, the cleaning process is shortened and the system resistance is reduced, so that the whole device is small in occupied area, small in investment, and low in energy consumption for operation; and after raw flue gas is subjected to cleaning processing by using the device disclosed by the invention, the comprehensive dust removal efficiency is greater than or equal to 99.8%, the SOx removal efficiency is greater than or equal to 95%, the NOx removal efficiency is greater than or equal to 25%, and the heavy metal Hg removal efficiency is greater than or equal to 80%, meanwhile, waste heat can be recycled, and no water is consumed.
Description
technical field [0001] The invention belongs to the technical field of flue gas purification, and in particular relates to a high-efficiency, energy-saving and multi-pollutant flue gas purification device. Background technique [0002] The existing multi-pollutant flue gas purification device is generally composed of an activated coke flue gas purification device and a dust collector, wherein the activated coke flue gas purification device is a reactor equipped with activated coke or activated carbon, which can be adsorbed and removed Sulfur, nitrate, mercury and other pollutants in the flue gas. The unpurified raw flue gas is removed by the activated coke flue gas purification device to remove various pollutants (sulfur, nitrate, mercury, moisture, etc.) in the flue gas, and then the fine dust in the flue gas is removed by the dust collector. The flue gas is discharged through the flue. [0003] The shortcomings of the existing multi-pollutant flue gas purification device...
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IPC IPC(8): B01D53/04B01D53/76B01D53/56
Inventor 唐小健王强赵培超熊志成杨斌懿谢兴旺杜云贵张金伦
Owner CPI YUANDA ENVIRONMENTAL PROTECTION ENG