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Apparatus and method for removing smoke of boiler

A fume purification and boiler technology, applied in chemical instruments and methods, combined devices, separation methods, etc., can solve the problems of increasing dust removal costs, large ash discharge, and high costs, and achieve improved service life, less water consumption, and corrosion strength. diminished effect

Inactive Publication Date: 2003-02-12
张福生
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AI Technical Summary

Problems solved by technology

The feature of these wet purification devices is that a device for atomizing water is installed in the housing. Although the problem of smoke and dust treatment is better solved, since the dust (large particles) and sulfur-containing gas are treated in the same container, it is difficult for the Larger boilers, especially coal-fired boilers, have the following disadvantages due to the large amount of dust particles: (1) The amount of ash discharge is large, and the wet method increases the difficulty of ash discharge
(2) The amount of water consumed in the granular dust is relatively large, resulting in a waste of water resources and increasing the cost of dust removal
(3) Due to the one-time treatment of dust and flue gas (sulfur-containing gas), the equipment works in a state of strong corrosion and high wear, and the requirements for anti-corrosion treatment of the equipment are high. The cost of making corrosion-resistant stainless steel is high, and the service life of the equipment is relatively long. Low

Method used

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  • Apparatus and method for removing smoke of boiler
  • Apparatus and method for removing smoke of boiler

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Embodiment Construction

[0013] figure 1 As shown, a boiler smoke purification device includes the existing general-purpose cyclone dust collector 2 and hydraulic induced draft fan 4, as well as wet dust collector 3, steam-water separator 5, desulfurizer 6, etc., and is connected to the boiler by pipeline 7 Or industrial furnaces (such as: building materials, metallurgy, chemical industry and other industrial furnaces), cyclone dust collector, wet dust collector, hydraulic induced draft fan, steam-water separator and desulfurizer. The upper parts of the main bodies of the wet dust collector, the steam-water separator, and the desulfurizer are respectively provided with a water inlet and a water outlet at the lower part, and a water inlet pipe (401) connected with the steam-water separator is provided on the hydraulic induced draft fan.

[0014] The wet precipitator 3 is a closed container with a cylindrical shell, consisting of a shell 301, an air intake pipe 302 on its upper part, the air intake pipe...

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Abstract

A smoke cleaner for boiler and its cleaning method are discloosed. The smoke from boiler flows through cyclone dust collector for removing dust, hydraulic draught fan, wet dust for further removing dust and sulfuride, and gas-water separator for separating water from gas. The water containing dust powder flows in depositing pool. The gas flows into lime milk in desulfurizer to obtain chean gas for exhausting. Its advantages are high effect and low corrosion to equipment.

Description

1. Technical field [0001] The invention belongs to a domestic and industrial boiler waste gas smoke purification device and a treatment method. In particular, the utility model relates to a purification device and a corresponding treatment method for waste gas and dust of coal-fired boilers and industrial furnaces. It belongs to atmospheric environmental protection equipment. 2. Background technology [0002] At present, countries around the world are paying more and more attention to environmental protection and strengthening governance, and the control and comprehensive treatment technologies for air pollution sources are becoming more and more perfect. Existing various waste gas dust installations and equipment, and treatment methods. Dry dust removal is commonly used in coal-fired boilers and industrial furnace dust treatment equipment and methods, such as cyclone separation methods and equipment, electrostatic dust removal methods and equipment; in recent years, peopl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D50/00B01D53/78
Inventor 张福生
Owner 张福生
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