An energy-saving and consumption-reducing selective catalytic reduction low-temperature denitrification tower
A technology of low-temperature denitrification and reduction method, which is applied in chemical instruments and methods, chemical industry, separation methods, etc. It can solve problems such as difficulties in low-temperature denitrification, and achieve the effect of ingenious design, good dust removal effect, and normal operation
Active Publication Date: 2018-07-06
HUANGSHI LANTIAN ENVIRONMENTAL PROTECTION ENERGY SAVING EQUIP
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Problems solved by technology
[0009] The purpose of the present invention is to solve the difficult problem of low-temperature denitrification, and to provide an energy-saving and consumption-reducing low-temperature denitrification tower with selective catalytic reduction method
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[0023] see figure 1 , 2 , 3, the present invention has tower frame 3, and three-layer reaction layer 5,7,9 is installed on the tower frame 3, is provided with smoke inlet hood 2 and smoke inlet pipe 1 above the first reaction layer 5, in the third reaction layer The bottom of 9 is equipped with a smoke outlet hood 10 and a smoke outlet pipe 11, which is characterized in that: an integral extruded honeycomb low-temperature denitrification catalyst 6 (invented by the Dalian Institute of Chemical Physics, Chinese Academy of Sciences) is placed in the tower tank of each reaction layer production), the top of the tower tank of the first reaction layer 5 is equipped with an air distribution plate A4, and the bottom of the tower tanks of the first and second reaction layers 5 and 7 is equipped with an air distribution plate B13, and the air distribution plate A4 and B13 plays the role of diversion, and slows down the flue gas wind speed, reduces the direct injection of the catalyst ...
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The invention relates to environmental protection waste gas treatment equipment, in particular to an energy-saving and consumption-reducing low-temperature denitrification tower with selective catalytic reduction method, which has a tower frame, and at least two reaction layers are installed on the tower frame. The smoke hood and the smoke inlet pipe are equipped with a smoke outlet hood and a smoke outlet pipe under the bottom reaction layer. An air distribution plate A is installed on the top of the reaction layer tower tank, and an air distribution plate B is installed at the bottom of all reaction layer tower tanks excluding the bottom reaction layer; The ash container is equipped with an air inlet pipe, which is introduced from the smoke outlet pipe or the smoke inlet pipe and is coiled and heated in the smoke outlet hood or the smoke inlet hood and each layer of reaction layer and connected to each soot blower at the same time; The invention better solves the difficult problem of low-temperature denitrification, saves energy and reduces consumption, and is widely used in the treatment of industrial boilers and kiln tail gases in coal-fired power plants, chemical industry, steel glass and other industrial boilers.
Description
technical field [0001] The invention relates to environmental protection waste gas treatment equipment, in particular to an energy-saving and consumption-reducing low-temperature denitrification tower with selective catalytic reduction method. Background technique [0002] Based on the harmfulness of nitrogen oxide gas, the control of nitrogen oxide masonry emissions in industrial waste gas is an objective requirement for the sustainable development of the national economy and environmental protection. Moreover, the development of the denitrification industry has been strongly supported by relevant national policies and regulations. The pollutant emission standards of various industries have further tightened the emission limits of nitrogen oxides. In order to meet increasingly stringent emission standards, especially in some key areas To meet the ultra-low emission standards, exhaust gas must be effectively treated. [0003] Although there are many methods in the process o...
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IPC IPC(8): B01D53/86B01D53/56
CPCB01D53/8631B01D2255/90Y02P20/10
Inventor 黄良谷余汉水卫强
Owner HUANGSHI LANTIAN ENVIRONMENTAL PROTECTION ENERGY SAVING EQUIP