Inside-incinerator flue gas furnace denitrification apparatus
A technology for incinerators and flue gas furnaces, which is applied in the separation of dispersed particles, chemical instruments and methods, separation methods, etc., can solve the problems of not setting up an on-line monitoring and control device for flue gas, inability to ensure denitration effect, and random addition of chemical doses, etc. Achieve the effect of small footprint, easy maintenance, and low investment and operating costs
Inactive Publication Date: 2016-11-23
WUXI SHENGJIE ENVIRONMENTAL PROTECTION TECHCO LTD
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Problems solved by technology
[0002] In the existing technology, the flue gas between 850 ° C and 1100 ° C generated after the domestic waste is fully incinerated, the denitrification process mainly uses ammonia water (or urea solution) as the reducing agent, using manual feeding, and the degree of automation of the device is not high. , can not meet the continuous demand for chemicals in the removal of nitrogen oxides in large flue gas volumes, resulting in waste of manpower and material resources; there is no flue gas online monitoring and control device, and the doses of chemicals are randomly added, which cannot be monitored in real time and cannot ensure a good denitrification effect. Severe waste and high operating costs
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[0008] The present invention will be further described below in conjunction with the accompanying drawings.
[0009] Such as figure 1 As shown, the present invention is an incinerator flue gas furnace denitrification device, including an incinerator 1, a flue gas online monitoring and control device 24, a bag filter 2, a fan 3, and a chimney 4, and is characterized in that: the incinerator 1 Sequentially connect flue gas on-line monitoring control device 24, bag filter 2, fan 3, chimney 4, said flue gas on-line monitoring and control device 24 is connected to PLC control box 25, PLC control box 25 is connected to frequency conversion rotary feeder 8, frequency conversion rotation The top of the feeder 8 is connected to the electronic screw scale 7, the electronic screw scale 7 is connected to the unloader 6, the unloader 6 is connected to the urea granule silo 5, the bottom of the frequency conversion rotary feeder 8 is connected to the upper part of the jet mixer 13, and the ...
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The invention provides an inside-incinerator flue gas furnace denitrification apparatus, which comprises an incinerator, a flue gas online monitoring control device, a cloth bag dust removing device, a fan and a chimney, and is characterized in that the incinerator is sequentially connected to the flue gas online monitoring control device, the cloth bag dust removing device, the fan and the chimney, the flue gas online monitoring control device is connected to a PLC control box, the PLC control box is connected to a frequency conversion rotary feeder, an electronic spiral scale is connected above the frequency conversion rotary feeder and is connected to a material unloading device, the material unloading device is connected to a urea particle bin, the upper portion of a jet flow mixer is connected below the frequency conversion rotary feeder, one side surface of the jet flow mixer is connected to a water inlet electromagnetic valve and a water inlet through a water inlet pipeline, the lower portion of the jet flow mixer is connected to a dissolving box, one side on the top portion of the dissolving box is provided with a water inlet flow rate meter, and the water inlet flow rate meter is connected to the water inlet electromagnetic valve and the water inlet through a water inlet pipeline. According to the present invention, with the inside-incinerator flue gas furnace denitrification apparatus, nitrogen oxide and other harmful pollutants in the incinerator flue gas can be removed, the flue gas can achieve the discharge standard, and the environmental pollution can be avoided.
Description
technical field [0001] The invention relates to an incinerator flue gas denitrification device, specifically for purifying the flue gas produced by domestic garbage incinerators, and belongs to the technical field of environmental protection. Background technique [0002] In the existing technology, the flue gas between 850 ° C and 1100 ° C generated after the domestic waste is fully incinerated, the denitrification process mainly uses ammonia water (or urea solution) as the reducing agent, using manual feeding, and the degree of automation of the device is not high. , can not meet the continuous demand for chemicals in the removal of nitrogen oxides in large flue gas volumes, resulting in waste of manpower and material resources; there is no flue gas online monitoring and control device, and the doses of chemicals are randomly added, which cannot be monitored in real time and cannot ensure a good denitrification effect. The waste is serious and the operating cost is high. ...
Claims
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IPC IPC(8): B01D53/79B01D53/56
Inventor 戴顺国
Owner WUXI SHENGJIE ENVIRONMENTAL PROTECTION TECHCO LTD