Efficient dust removing and flow equilibrating device of square-box type desulfurizing tower
A desulfurization tower and box-type technology, which is applied in the field of high-efficiency dust removal and flow equalization devices for square box-type desulfurization towers, can solve the problems that the desulfurization system cannot meet the ultra-low emission operation emission requirements, and achieve simple structure, low energy consumption, and cost reduction Effect
Active Publication Date: 2016-07-13
DATANG ENVIRONMENT IND GRP
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Problems solved by technology
Existing desulfurization facilities are no longer able to meet the ultra-low emissions of sulfur dioxide (SO 2 )3 , The outlet smoke concentration is 5mg / Nm 3 Emission requirements, that is, the existing desulfurization system cannot meet the emission requirements of ultra-low emission operation, so it is necessary to modify the desulfurization reaction device of the unit
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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0029] A square box-type desulfurization tower high-efficiency dust removal and flow equalization device, such as figure 1 As shown, the square box-type desulfurization tower includes: a flue gas inlet, which is arranged at the middle and lower part of one side of the desulfurization tower; a flue gas outlet, which is arranged at the top of one side of the desulfurization tower; a slurry tank, which is arranged inside the desulfurization tower The bottom side is located below the flue gas inlet; the spray part is arranged inside the desulfurization tower and above the flue gas inlet. The spray part...
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Abstract
The invention relates to an efficient dust removing and flow equilibrating device of a square-box type desulfurizing tower. The efficient dust removing and flow equilibrating device comprises a plurality of arc-shaped dust removing and flow equilibrating plate modules which are horizontally arranged along the cross section of the desulfurizing tower and are connected into a whole, wherein each arc-shaped dust removing and flow equilibrating plate module comprises a plurality of steel plates longitudinally arranged in parallel, each steel plate is a bent plate with an arc groove in the middle, and the steel plates are arranged equidistantly; triangular dustproof plates are arranged in the connection positions of the arc-shaped dust removing and flow equilibrating plate modules. In the efficient dust removing and flow equilibrating device, gas flow performs rotary disturbance, gas and liquids are more sufficiently contacted, the desulfurizing reaction area is increased, meanwhile, smoke and gypsum slurry in the gas and liquids are removed, and the dust removal purpose is achieved.
Description
technical field [0001] The invention relates to a high-efficiency dust removal and flow equalization device for a square box type desulfurization tower. Background technique [0002] With the continuous development of China's economy, the demand for electricity continues to increase, and the smog continues to affect it. Controlling PM2.5 is on the agenda. Local governments and power companies have put forward the construction or renovation requirements of "ultra-low emissions", "near-zero emissions", and "meet gas turbine emission standards". "Ultra-low emission" technology scientifically guides the sustainable development of the thermal power industry with ultra-clean emissions. [0003] The Development and Reform Commission issued the "Coal Power Energy Conservation and Emission Reduction Upgrading and Transformation Action Plan (2014-2020)" to strictly control the emission of air pollutants. Newly built coal-fired power generating units (including units under constructi...
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IPC IPC(8): B01D53/78B01D53/50B01D47/06
CPCB01D47/06B01D53/50B01D53/78
Inventor 刘玉新刘畅吴国军陆生宽彭代军
Owner DATANG ENVIRONMENT IND GRP