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Chimney desulfurizing tower integrated desulfurizing process and apparatus thereof

A desulfurization process and desulfurization tower technology, applied in chemical instruments and methods, dispersed particle separation, separation methods, etc., can solve the problems of inability to obtain large-scale desulfurization projects, poor sustainable development, and power plants being overwhelmed, and achieve simple structure, The system occupies a small area and reduces the resistance effect

Inactive Publication Date: 2006-07-26
易晓辉 +1
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Problems solved by technology

[0002] Power plants fueled by sulfur-containing fuels such as coal and fuel oil emit a large amount of flue gas, which contains a large amount of SO X They are also the main substances that form acid rain and pollute the environment. In China, the current desulfurization projects of coal-fired power plants mainly use some imported equipment from abroad. The investment is large and the system is complicated, causing a large number of power plants to be overwhelmed. A bottleneck, this bottleneck is that domestically produced equipment cannot be recognized by large-scale desulfurization projects, mainly in the fact that pumps, cyclones, vacuum belt filters, desulfurization towers and other equipment must use foreign products. , Spray liquid with high solid content, but domestic equipment cannot meet this requirement, and the sustainable development is poor

Method used

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  • Chimney desulfurizing tower integrated desulfurizing process and apparatus thereof
  • Chimney desulfurizing tower integrated desulfurizing process and apparatus thereof
  • Chimney desulfurizing tower integrated desulfurizing process and apparatus thereof

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Embodiment

[0032] refer to figure 1 , figure 2 with image 3 , A power plant, the sulfur content of fuel oil is 3%, and the displacement under actual working conditions is 1080000m 3 / h, the temperature of the flue gas is 350°C, the SO in the flue gas 2 The emission concentration is 2000mg / m 3 , the diameter of the chimney is 10-4, the height of the chimney is 110m, and the spray layer is two layers,

[0033] The chimney-sweeping tower integrated desulfurization process includes the following steps:

[0034] Preparation of desulfurization solution

[0035] Put the desulfurizing agent into the batching tank, add clean water, the weight ratio of clean water and desulfurizing agent is 100:25-100:45; prepare the first-stage slurry with a concentration of 20%-30% after stirring, and transport the slurry to the cyclone , separate the undissolved solids with large particle size, transport the separated mother liquor to the clarification and adjustment tank, adjust it with the water recyc...

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Abstract

The invention relates desulfurization technique and device. Chimney is integrated with desulfurizing tower. The technique comprises formulating desulfurizing solution, desulfurizing and oxidation treatment. The invention reduces the combination of chimney flue and baffle, decreases the smoke gas system resistance and adopts low concentration desulfurizing solution to reduce the investment. The percentage of desulfurization is high and accommodation area is small.

Description

technical field [0001] The invention relates to a chimney-desulphurization tower integrated desulfurization process and a device for treating and recovering sulfur in flue gas, belonging to the field of environmental protection. Background technique [0002] Power plants fueled by sulfur-containing fuels such as coal and fuel oil emit a large amount of flue gas, which contains a large amount of SO X They are also the main substances that form acid rain and pollute the environment. In China, the current desulfurization projects of coal-fired power plants mainly use some imported equipment from abroad. The investment is large and the system is complicated, causing a large number of power plants to be overwhelmed. A bottleneck, this bottleneck is that domestically produced equipment cannot be recognized by large-scale desulfurization projects, mainly in the fact that pumps, cyclones, vacuum belt filters, desulfurization towers and other equipment must use foreign products. , S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/50B01D53/78
Inventor 易晓辉洪俊鹏
Owner 易晓辉
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