Technology for preparing light-weight ceramsite by taking basalt tailings as main material

A lightweight ceramsite and basalt technology, applied in the production of ceramic products, clay products, ceramic materials, etc., can solve the problems of high storage cost and large amount of superplastic clay, achieve simple production process, reduce storage cost, and widely distribute Effect

Inactive Publication Date: 2018-06-05
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the foundation excavation method can meet the needs of building roads, the amount of superplastic clay excavated is large, and if it is not treated, the storage cost will be high

Method used

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  • Technology for preparing light-weight ceramsite by taking basalt tailings as main material
  • Technology for preparing light-weight ceramsite by taking basalt tailings as main material
  • Technology for preparing light-weight ceramsite by taking basalt tailings as main material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The present embodiment prepares lightweight ceramsite according to the following steps:

[0034] The first step, the preparation phase:

[0035] Use the jaw crusher and disc mill in turn to crush and grind the large-grain basalt tailings, fly ash extraction aluminate slag, superplastic clay and oil shale semi-coke raw meal, and then pass through a 150-mesh sieve , to obtain basalt tailings powder, fly ash extracted alumina slag powder, superplastic clay powder and oil shale semi-coke powder;

[0036] The second step, mixing:

[0037] Mix basalt tailings powder, fly ash aluminate slag powder, superplastic clay powder and oil shale semi-coke powder at a mass ratio of 5:2:2:1, then add water and stir evenly, the gray-to-water ratio is about 2.1 , get the mixture;

[0038] The third step, molding:

[0039] Put the mixture into a granulator for molding, and put the obtained sample into a blast drying oven at 105°C to dry to constant weight to obtain mixture granules;

...

Embodiment 2

[0044] In this example, light-weight ceramsite was prepared by the same method as in Example 1, except that the temperature of secondary sintering in the fourth step was 1150°C.

Embodiment 3

[0046] In this example, lightweight ceramsite was prepared by the same method as in Example 1, except that the temperature of the secondary sintering in the fourth step was 1200°C.

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Abstract

The invention discloses a technology for preparing light-weight ceramsite by taking basalt tailings as a main material. The high-expansibility light-weight ceramsite with excellent physical propertiesand mechanical properties is prepared by taking the basalt tailings as the main material, and fly ash aluminic acid extracting residue, superplastic clay and oil shale semi-coke as auxiliary materials, crushing and grinding all the raw materials and treating according to a technological flow of mixing the materials, molding and carrying out secondary sintering. According to the finished-product light-weight ceramsite prepared by the technology, the bulk density, the apparent density, the porosity, the cylinder pressure strength and the water absorption rate reach national standards in GBT17431.2-2010.

Description

technical field [0001] The invention relates to a preparation process of light aggregate ceramsite. Background technique [0002] As the name suggests, ceramsite is pottery particles, which is a lightweight aggregate produced by foaming in a rotary kiln. It has a spherical shape, smooth and hard surface, and its interior is fine honeycomb micropores, with closed characteristics, which is beneficial to heat insulation and sound insulation, and can be used as wall insulation materials. The main properties of ceramsite include: light weight, low density, high cylinder compressive strength, high porosity, high softening coefficient, low thermal conductivity, good frost resistance, etc. Due to the many excellent properties of ceramsite, ceramsite is widely used in building materials, horticulture, food and beverage, refractory insulation materials, chemical industry, petroleum and other departments. At the beginning of the invention of ceramsite, it was used as a new type of li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/00C04B33/132C04B33/135
CPCC04B33/132C04B33/1352C04B38/009Y02P40/60
Inventor 苗世顶朱富杰魏存弟程姗张培萍张鹏
Owner JILIN UNIV
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