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Unburned spheroidal attapulgite fire-resistant ceramic grain

An attapulgite and spherical technology, applied in the field of non-burning spherical attapulgite refractory ceramsite, can solve problems such as hidden dangers of tailings pond safety, threats to people's property and life safety in surrounding areas, etc., to improve resource utilization rate and yield High, environmental protection effect

Active Publication Date: 2013-08-14
NANGTONG HAODI ANTICORROSION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many tailings ponds have been used for overdue periods or overloaded, or even operated in violation of regulations, which has caused great potential safety hazards in tailings ponds, posing a serious threat to people's property and life safety in surrounding areas

Method used

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Embodiment Construction

[0026] Below in conjunction with embodiment the present invention will be further described:

[0027] 1. The ingredients of non-burning spherical attapulgite refractory ceramsite are composed of the following components by weight percentage: high-viscosity attapulgite clay powder 4%, attapulgite clay tailings powder 22%, granulated blast furnace slag powder 30%, Iron tailings powder 10%, coal gangue powder 8%, bauxite tailings powder 6%, diatomite tailings powder 4% and aluminate cement 16%.

[0028] 2. The production method of non-burning spherical attapulgite refractory ceramsite: (1) Add the ingredients of non-burning spherical attapulgite refractory ceramsite into the mixer and mix them, then input them into the disc granulator for granulation, and the particle diameter is controlled at 8-12 mm ; (2) Transport the granulated particles to the concrete curing room for routine curing of cement products for 28 days, and pack them into non-burning spherical attapulgite refracto...

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Abstract

The invention discloses an unburned spheroidal attapulgite fire-resistant ceramic grain. According to the technical scheme, the unburned spheroidal attapulgite fire-resistant ceramic grain is composed of high-viscosity attapulgite clay powder, attapulgite clay tailing powder, grained blast furnace slag powder, iron tailing powder, gangue powder, bauxite tailing powder, kieselguhr tailing powder and aluminate cement. The raw materials of the unburned spheroidal attapulgite fire-resistant ceramic grain are mixed, pelletized, maintained and screened, and then are packed as the unburned spheroidal attapulgite fire-resistant ceramic grain. The unburned spheroidal attapulgite fire-resistant ceramic grain is spheroidal in shape, has a rough and hard surface, is provided with fine pores inside and is the fire-resistant ceramic grain with high compression strength, low coefficient of heat conductivity, high fire resistance, corrosion resistance and excellent heat-insulating and sound-insulating effect. Various tailings are comprehensively utilized to produce the unburned spheroidal attapulgite fire-resistant ceramic grain, so that the use ratio of resources is increased, the waste is turned into the wealth, and the environmental protection is achieved. The unburned spheroidal attapulgite fire-resistant ceramic grain is suitable for the production of fire-resistant ceramic grain concretes and heat-insulating and sound-insulating materials.

Description

technical field [0001] The invention relates to ceramsite, in particular to an unfired spherical attapulgite refractory ceramsite. Background technique [0002] Refractory concrete is a special concrete that can withstand high temperature and maintain the required physical and mechanical properties at high temperature. It is formulated with appropriate cementitious materials, refractory aggregates, admixtures and water in a certain proportion. [0003] Most of the refractory aggregates are heavy slag, crushed refractory bricks, basalt, bauxite clinker, sintered magnesia, etc. [0004] Coal gangue is discarded and occupies a large area of ​​land. The escape or leaching of sulfide in coal gangue will pollute the atmosphere, farmland and water bodies. [0005] 80% of my country's mineral resources are associated mines, a large amount of valuable resources are stored in tailings, and tailings stockpiles require a large amount of land. Many tailings ponds have been used beyond ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B35/66
Inventor 余兴南金白云许庆华许盛英
Owner NANGTONG HAODI ANTICORROSION EQUIP
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