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Boiler chimney

A chimney and boiler technology, applied in the field of chimneys, can solve the problems of short service life, high cost, collapse, etc., and achieve the effect of low manufacturing cost

Inactive Publication Date: 2006-05-24
张喜清
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problems of the first two kinds of chimneys are that they occupy a large area and are expensive to manufacture, while the chimneys welded with iron roll barrels are not resistant to corrosion, resulting in a short service life.
The average service life of a chimney with a wall thickness of 4mm is only about 4 years. If it is not repaired and replaced in time, it may collapse at any time and even cause injuries

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A boiler chimney, which is characterized in that the chimney is made by mixing short glass fiber, potassium silicate, acid-resistant clay, and quartz sand, stirring, solidifying, and demoulding. The raw material ratio is: short glass fiber 20%, sodium water 20% glass, 30% quartz sand, 30% acid-resistant clay.

Embodiment 2

[0013] A boiler chimney, which is characterized in that it is composed of two layers of glass fiber cloth, acid-resistant cement prepared with sodium water glass and quartz sand mixed in the acid-resistant cement, wherein the proportion of acid-resistant cement, sodium water glass and quartz sand is: Acid-resistant clay 35%, sodium silicate 30%, quartz sand 35%, the prepared clay is spread on two layers of glass fiber cloth respectively, each layer of glass fiber cloth is wiped with 2cm thick clay, and it becomes a cylinder after melting.

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PUM

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Abstract

The invention relates to a boiler chimney, characterized in that it blends and solidifies fiber material and acid resisting clay mixed by sodium water or potassium water to make the boiler chimney. The fiber material is glass fiber cloth or short glass fiber; and can also be the short fiber or fiber cloth made of asbestos fiber, ceramic fiber. And the acid resisting clay can be added with aggregate of a certain size in a certain proportion. For meeting the height and windproof requirements, the glass steel of a certain thickness can be added on the outer surface of the boiler chimney, or the boiler chimney is arranged in a steel framework to adhere to the steel framework. The invention has the advantages of corrosion resistance, high temperature resistance, anti-aging, etc, as compared with the existing techniques, and the boiler chimney has a service life 3-5 times longer than that of an existing steel plate chimney and a manufacturing cost lower than that of the steel plate chimney.

Description

(1) Technical field [0001] The invention relates to a chimney used on a boiler. (2) Background technology [0002] Most of the current boiler chimneys are piled up with red bricks, rammed with concrete and welded with iron rolls. The problems of the first two kinds of chimneys are that they occupy a large area and are expensive to manufacture, while the chimneys welded with iron plate barrels are not resistant to corrosion, so the service life is too short. The average service life of a chimney with a wall thickness of 4mm is only about 4 years. If it is not repaired and replaced in time, it may collapse at any time and even cause injuries. (3) Contents of the invention [0003] The object of the present invention is to provide a corrosion-resistant and anti-aging boiler chimney, which not only has low manufacturing cost, but also has a long service life. [0004] The technical solutions adopted are: [0005] A boiler chimney is characterized in that the chimney is made...

Claims

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Application Information

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IPC IPC(8): C04B22/08C04B14/38F23J13/00
Inventor 张喜清
Owner 张喜清
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