Boric sludge fire resistant ceramsites

A technology of boron mud and ceramsite, which is applied in the field of aggregate - refractory ceramsite, can solve the problems of poor high temperature resistance of boron mud ceramsite, large occupation of boron mud, land pollution and other problems, so as to reduce the cost of masonry and improve the Service life, the effect of solving the pollution of the environment

Active Publication Date: 2010-06-09
聂立武
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AI Technical Summary

Problems solved by technology

[0002] Borax mud is the waste residue discharged from the production of borax. A large amount of boron mud discharged from the annual production of borax in my country, especially in Liaoning Province, not only occupies a large amount of land but also pollutes the environment; Clay ceramsite has poor high temperature resistance and can only withstand a temperature of about 900 ° C, which often cannot meet the needs of production

Method used

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Embodiment Construction

[0008] The raw materials used in the production of boron mud refractory ceramsite include boron mud, magnesium slag, and binder. The volume percentage of the amount of various raw materials in the total amount of raw materials is: boron mud accounts for 75% or 70% or 65% or 60%, magnesium slag accounts for 20% or 25% or 30%, binder accounts for 5% or 8% or 10%. The binder can be bentonite, diatomaceous earth, limestone powder, magnesite powder, refractory clay, any one of them, or any combination of several of them.

[0009] Production method: crush and mix various raw materials evenly, add water, use a ball forming machine to make balls, and then fire them in a rotary kiln.

[0010] The specific method of firing in a rotary kiln is as follows: After the raw materials are mixed into balls, they are sent to the rotary kiln for roasting. During the roasting process, water is added while bottom blowing is performed, and the flame is adjusted to make the balls burn to normal fire...

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Abstract

The invention provides boric sludge fire resistant ceramsites, relates to a fire resistant ceramsite aggregate formed by taking boric sludge as a main raw material. The boric sludge fire resistant ceramsites are invented mainly to solve the problem that at present, the boric sludge occupies a vast area and causes environmental pollution, the problem that the conventional boric sludge ceramsites is poor in high temperature resistance and the like. The boric sludge fire resistant ceramsites are prepared form the following raw materials in percentage by volume: 60 to 75 percent of boric sludge, 20 to 30 percent of magnesium slag, and 5 to 10 percent of bonding agent. The production method comprises the following steps of: grinding all raw materials, mixing the ground raw materials and addingwater; granulating the mixture by a granulator; and baking the granules in a rotary kiln to obtain the boric sludge fire resistant ceramsites. The boric sludge fire resistant ceramsites have the advantages of replacing clay ceramsite and high-aluminum ceramsite, prolonging the service life of a hearth when used for building the hearth and reducing the building cost of the hearth and producing various fire resistant concrete, fire resistant building blocks, fire resistant filling materials and the like; and the boric sludge fire resistant ceramsites also solve the problems that the boric sludge occupies a vast area as well as causes environmental pollution and also have quite obvious social benefits.

Description

Technical field: [0001] The invention relates to an aggregate made of boron mud as a main raw material - refractory ceramsite. It is mainly used for boiler masonry, heat preservation treatment of thermal equipment or as refractory filler, refractory blocks, etc. Background technique: [0002] Borax mud is the waste residue discharged from the production of borax. A large amount of boron mud discharged from the annual production of borax in my country, especially in Liaoning Province, not only occupies a large amount of land but also pollutes the environment; Clay ceramsite has poor high temperature resistance and can only withstand a temperature of about 900°C, which often cannot meet the needs of production. Invention content: [0003] The technical problem to be solved by the present invention is to provide a kind of boron mud refractory ceramsite produced with boron mud as the main raw material and has good high temperature resistance. [0004] The object of the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/66
Inventor 韩古月聂立武周大伟
Owner 聂立武
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