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Desulfurization denitration dust collecting integral purifier for coal burning boiler fume gas

A technology for desulfurization and denitrification and coal-fired boilers, which is applied in gas treatment, chemical instruments and methods, and the use of liquid separation agents, etc., to achieve the effects of low corrosion rate, low operating costs, and low maintenance costs

Inactive Publication Date: 2008-06-11
李大明 +2
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0024] From the above analysis, it is possible to complete the desulfurization, denitrification and dust removal of coal-fired boiler flue gas in a set of purifiers

Method used

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  • Desulfurization denitration dust collecting integral purifier for coal burning boiler fume gas

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with accompanying drawing.

[0051] Figure 1 shows that the purification and removal reaction part is composed of the main reactor group 1 and the secondary reactor group 2. The main reactor group is composed of three reactors, and each reactor is from the top down to above the liquid level of the removal medium. Equipped with a partition plate 3, the bottoms of each reactor in the main reactor group are connected to form the main reactor to remove the medium liquid storage area 7, and the bottoms of each reactor in the secondary reactor group are also connected to form a secondary reactor group to remove The medium liquid storage area 8 contains the removal medium 9 in the removal medium liquid storage area 7 and the removal medium liquid storage area 8, and a flue gas inlet is installed in the upper part of the left space of each reactor, and a flue gas inlet is installed in the upper part of the righ...

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PUM

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Abstract

This invention relates to an integral cleaner of coal-burning boiler smoke gas desulfuration, denitration and dedusting, which belongs to the environmental protection apparatus field. The device comprises major-minor reactor cluster, major-minor circulating pool, tank and the removing agent made up of lime slurry liquor, boiler blowdown, reinforcer and catalyst. The invention applies the integral project according to the smoke gas components and the product of removing reaction.

Description

technical field [0001] The invention relates to the field of boiler accessory equipment, especially environmental protection equipment. Background technique [0002] The flue gas discharged from coal-fired boilers contains many solid particles and harmful substances, such as soot, SO 2 , NO, NO 2 etc. These harmful substances are not only of various types but also in large quantities. They vary with the types of coal fired, and the concentration of coal dust is 10-50g / m 3 (status), SO 2 The concentration is 1000-5000mg / m 3 (standard state), NO X The concentration is 600-1500mg / m 3 (standard state). Due to a large amount of emissions into the atmosphere, it has caused serious pollution to the environment, and the air index has dropped greatly, causing various diseases to humans, especially the harm to the respiratory tract, eyes, and blood. At the same time, it also poses a threat to the survival of animals and plants. For example, acid rain has caused the withering an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D53/75B01D53/60B01D47/06B01D53/78
CPCB01D2257/404B01D2257/302F23J2217/20B01D53/78
Inventor 张友花张锡源李大明
Owner 李大明
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