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Preparation process of natrolite inorganic artificial stone

A preparation process and a technology for sodium zeolite, applied in the field of artificial stone, can solve the problems of affecting the later strength of cement stone, affecting the excitation of by-products of the cement stone industry by alkali, and achieving the effects of low cost, high early strength and avoiding blooming

Inactive Publication Date: 2013-04-03
SHAANXI UNIV OF TECH
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  • Abstract
  • Description
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Problems solved by technology

As the alkali migrates to the cement stone surface, it will affect the excitation of the industrial by-products inside the cement stone by the alkali, thus affecting the later strength of the cement stone

Method used

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  • Preparation process of natrolite inorganic artificial stone
  • Preparation process of natrolite inorganic artificial stone
  • Preparation process of natrolite inorganic artificial stone

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with specific examples.

[0031] Table 1 lists the formulation compositions of 10 examples numbered 1-10. According to the different examples in Table 1, the amount of industrial by-products, sodium zeolite, aggregate, early strength agent, sepiolite, lime, and hydroxymethyl cellulose was determined to prepare inorganic artificial stone precursor powder.

[0032] Table 2 has listed the preparation technology of the sodium zeolite used in table 1

[0033] Table 3 has listed the preparation technology of the calcined alunite used in table 1

[0034] Table 4 lists the properties of the sodium zeolite inorganic artificial stone prepared in Examples 1-10 of the present invention.

[0035] As can be seen from Table 4, the artificial stone prepared by the method of the present invention using industrial by-products as the main raw material has high early strength, no frosting, and no alkali-aggreg...

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Abstract

The invention discloses a preparation process of a natrolite inorganic artificial stone. The process is characterized by: adding natrolite, aggregate, an early strength agent, sepiolite, lime, and hydroxymethyl cellulose into an industrial by-product, and stirring them evenly to obtain natrolite inorganic artificial stone precursor powder, adding water into the natrolite inorganic artificial stone precursor powder, stirring them uniformly, pouring the mixture into a die, and performing natural curing for 28d, thus obtaining the natrolite inorganic artificial stone, which has the characteristics of high early strength, no frosting, and no alkali-aggregate reaction.

Description

technical field [0001] The invention relates to a method of using industrial by-products as main raw materials to prepare artificial stones with high early strength, no frosting and no alkali-aggregate reaction. Background technique [0002] At present, Portland cement is often used as the cementitious material of concrete. Portland cement mainly uses limestone, clay and sandstone as raw materials. It is calcined at high temperature to obtain cement clinker. After adding a certain amount of admixture materials and gypsum to the cement clinker, it is ground to obtain Portland cement. No or less cement clinker is used, and industrial by-products (such as: slag, steel slag, phosphorus slag, fly ash, coal slag, calcined coal gangue) are directly used to stimulate its hydration activity through alkali to prepare cementitious materials with cementing ability ( i.e. cement) for the preparation of concrete (i.e. artificial stone). The following are several patented technologies in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
Inventor 谭宏斌马小玲
Owner SHAANXI UNIV OF TECH
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