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Preparation method for bagasse ash mortar

A technology for bagasse ash and mortar, applied in the field of building materials, can solve the problems of unstable combustion of furnace temperature, variability of bagasse ash, large particle size, etc., to achieve environmental protection production, improvement of mechanical strength and durability, and enhancement of compactness. Effect

Inactive Publication Date: 2019-09-27
GUANGXI UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Due to the instability of the furnace temperature and the incompleteness of combustion, the bagasse ash obtained directly from the sugar factory furnace is usually volatile, with large particle size and high porosity. In most cases, it cannot be directly used as a mineral blend. Mixture

Method used

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  • Preparation method for bagasse ash mortar

Examples

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Embodiment 1

[0024] This embodiment is an example of the preparation method of the bagasse ash mortar of the present invention. The components and their corresponding parts by mass are shown in Table 1. The bagasse ash in this example is used in an amount of 10% to replace part of the cement. Prepare bagasse ash mortar according to described mixing ratio, and concrete method comprises the steps:

[0025] Step 1: Calcining the bagasse ash at a high temperature of 650° C. for 1 hour, and cooling naturally. Add 0.05% triisopropanolamine (TIPA) to the cooled bagasse ash raw material, grind it in a ball mill until the sieve residue of 45 μm is less than 10%, and the specific surface area of ​​the bagasse ash prepared at this time is 943m 2 / kg.

[0026] Step 2: Put the bagasse ash and cement after the pretreatment of the corresponding parts by mass into the mixer and stir for 3 minutes to obtain the dry mix, which is stored in a polyethylene bottle for use, and kept dry and sealed;

[0027] S...

Embodiment 2

[0030] This embodiment is another example of the preparation method of bagasse ash mortar of the present invention. The difference from Example 1 is that each component and its corresponding mass parts are as shown in Table 1. The bagasse ash of this example Replace part of the cement with a dosage of 15%.

Embodiment 3

[0032] This embodiment is another example of the preparation method of bagasse ash mortar of the present invention. The difference from Example 1 is that each component and its corresponding mass parts are as shown in Table 1. The bagasse ash of this example Replace part of the cement with a dosage of 10%.

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Abstract

The invention discloses a preparation method for bagasse ash mortar. The preparation method comprises the following steps that bagasse ash discharged from a burning furnace of a sugar refinery is pretreated, so that the activity of the bagasse ash is improved; and the pretreated bagasse ash serves as a raw material for preparing the mortar, the pretreated bagasse ash, sand, water, cement and a water reducer are mixed, stirred, poured and vibrated so as to prepare a bagasse ash mortar product, and standard curing is further adopted. The bagasse ash mortar prepared through the preparation method has higher structural strength and durability. Compared with traditional mortar, the bagasse ash mortar prepared through the preparation method has the advantages that on the premise that the performance is improved, the bagasse ash can be fully reused, the resource consumption is reduced, and economical and environmentally-friendly production is facilitated.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a preparation method of bagasse ash mortar. Background technique [0002] Cement has the disadvantages of high energy consumption, high pollution, and high cost, which to a certain extent aggravates the greenhouse effect and causes harm to the environment. In recent years, green and environmentally friendly building materials have attracted a lot of attention. Continuous research has shown that agricultural by-products such as bagasse ash not only have huge yields and broad prospects, but also can be used as mineral admixtures to improve various properties of mortar. [0003] Bagasse ash is taken from the high-temperature furnace of the sugar factory, which is the ashes produced by burning bagasse as fuel at a high temperature of 700-900°C. Bagasse ash is mainly composed of SiO 2 Composition, in addition to Al 2 o 3 , CaO, Fe 2 o 3 Other ingredients, such as pozzolanic act...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B18/10
CPCC04B18/101C04B28/00C04B2201/50C04B14/06C04B2103/302Y02W30/91
Inventor 陈正韦京利王耀民徐峰赖晓旭陈维超钟福文
Owner GUANGXI UNIV
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