Anticorrosive dust-collecting energy-saving chimney

A chimney and flue technology, applied in the field of chimneys, can solve the problems of not curing the surface but not the root cause, the inner sleeve is expensive, and achieving the effects of low cost, good environmental protection effect and prolonged service life.

Inactive Publication Date: 2010-05-12
郑德明
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But such inner sleeves are expensive
For example, a 210-meter chimney of a 600,000-kilowatt thermal power plant requires an investment of 10 million yuan for the inner casing, and this method is only a measure for easy replacement, and it is a method that treats the surface but not the root cause.

Method used

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  • Anticorrosive dust-collecting energy-saving chimney
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  • Anticorrosive dust-collecting energy-saving chimney

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Embodiment Construction

[0016] according to Figure 1 to Figure 3 And the anti-corrosion, dust-collecting and energy-saving chimney of the present invention with the above structure, its chimney cylinder 3, the inner wall of the chimney cylinder 3 is provided with an inner bore helix 1 with a helix angle of 60°; see figure 1 with figure 2 , the outlet 2 of the arc-shaped flue 4 outside the lower end of the chimney cylinder 3 communicates with the inner bore helix 1, and the arc rotation direction of the arc-shaped flue 4 is in the same direction as the helical direction of the inner bore helix 1 (The same is right-handed) and the arc-shaped flue 4 is smoothly connected with the inner bore helix 1.

[0017] The chimney barrel 3 is constructed of bricks with an inner chamber, and the bottom diameter of the chimney barrel 3 is ￠9 meters and 100 meters high. The chimney shell 3 has 5 different slope ratios from bottom to top, and they are as follows: the first slope ratio i 1 =0.06~0.08, second slope...

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Abstract

The invention discloses a high-efficiency anticorrosive dust-collecting energy-saving chimney comprising a chimney cylinder. The inner wall of the chimney cylinder is provided with a conversion helix line the spiral lead angle of which is10-80 DEG; an outlet of an arc flue arranged outside the lower end of the chimney cylinder is communicated with the conversion helix line; the arc rotation direction of the arc flue is the same as the spiral direction of the conversion helix line; and the arc flue is smoothly connected with the conversion helix line. Compared with the traditional chimney, the chimney has stable structure, good environment-protecting effect, prolonged service life and relatively low manufacture price, can improve the environment-protecting effect by 25-45% and can decrease the self resistance by 20% and the power consumption of a draught fan by approximate 8.5%; and flue gases whirl in the cylinder to collect dust by 30-80%. The chimney is used for wet-method dust collection and wet-method desulphurization, absolutely protects the inner wall without corrosion and is suitable for various chimneys.

Description

technical field [0001] The invention relates to a chimney, and further refers to a chimney with the functions of anticorrosion, dust collection and energy saving. technical background [0002] In the existing chimney, the flue is in the form of a straight line and is connected to the chimney by the pipe core line of the chimney. The chimney with this structure has high resistance and does not collect dust. The smoke in the chimney rises along the inner wall of the chamber, delaying the corrosion of the lining, causing the lining to rot and peel off, and the cylinder to rupture. In recent years, in order to protect the environment, the flue gas containing harmful sulfur dioxide produced by smelting, power generation, chemical industry and other industries has been subjected to wet desulfurization before it enters the chimney, so that the temperature of the flue gas will drop below the dew point; but the resulting acid The liquid flows down the inner wall of the chimney, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/28
CPCF23J2217/40F23J13/02E04H12/28F23J15/02
Inventor 郑德明盛惕闻
Owner 郑德明
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