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Method for producing microcrystalline foam thermal-insulation sheet material through utilizing industrial lithium tailings

A technology of thermal insulation board and lithium tailings, which is applied in the field of producing microcrystalline foam thermal insulation boards by using industrial lithium tailings, achieving the effects of stable thermal performance, low energy consumption and superior performance

Inactive Publication Date: 2012-06-27
淄博钰晶新型材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the domestic production of foam glass generally uses industrial waste glass as the main raw material, the cost is low and it is beneficial to environmental protection, but due to the shortcomings of low mechanical strength and poor thermal shock resistance, its popularization and application as multi-functional materials and wall materials is limited. Clear direction for future relevant scientific and technological personnel

Method used

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  • Method for producing microcrystalline foam thermal-insulation sheet material through utilizing industrial lithium tailings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Lithium tailings 46% Calcium carbonate powder 27% Quartz sand 18%

[0044] Barium Carbonate 4.5% Sodium Carbonate 3.5% Borax 0.5%

[0045] Clarifying agent 0.5% Coloring agent 0%

[0046] Mix the above raw materials together and mix evenly, put them into the melting furnace and melt them into molten glass at a temperature of 1550°C, then quench them into granules below 6 mm, dry them with drying equipment, and directly crush them into fineness of 50 mesh Then send the microcrystalline powder into the mixing equipment, and add a certain amount of foaming agent, mix evenly, weigh and install the mold, put it into the crystallization and foaming kiln and heat it to 960°C for controlled microcrystallization and foaming. Foaming heat treatment, crystallization and foaming holding time for 30 minutes, then direct annealing and slow cooling, cooling to 150°C for 8 hours, after demoulding, grinding and polishing, cutting to obtain light sapphire-colored microcrystallin...

Embodiment 2

[0048] Lithium tailings 35% Calcium carbonate powder 32% Quartz sand 24%

[0049] Barium Carbonate 4.0% Sodium Carbonate 4.0% Borax 0.5%

[0050] Clarifying agent 0.5% Coloring agent 0%

[0051] Mix the above raw materials together and mix evenly, put them into the melting furnace and melt them into molten glass at a temperature of 1510°C, then quench them into granules below 6 mm, dry them with drying equipment, and directly crush them into fineness of 100 mesh Then send the microcrystalline powder into the mixing equipment, and add a certain amount of foaming agent, mix evenly, weigh and install the mold, put it into the crystallization and foaming kiln and heat it to 940°C for controlled microcrystallization and foaming. Foaming heat treatment, crystallization and foaming heat preservation time for 25 minutes, then direct annealing and slow cooling, cooling to 180 ° C for 7.5 hours, after demoulding, grinding and polishing, cutting to obtain dark sapphire microcrysta...

Embodiment 3

[0053] Lithium tailings 42% Calcium carbonate powder 31% Quartz sand 19%

[0054] Barium Carbonate 3.5% Sodium Carbonate 3.5% Borax 0.5%

[0055] Clarifying agent 0.5% Coloring agent 0%

[0056] Mix the above raw materials together and mix evenly, put them into the melting furnace and melt them into molten glass at a temperature of 1480°C, then quench them into granules below 6 mm, dry them with drying equipment, and directly crush them into fineness of 120 mesh Then send the microcrystalline powder into the mixing equipment, and add a certain amount of foaming agent, mix evenly, weigh and install the mold, put it into the crystallization and foaming kiln and heat it to 900°C for controlled microcrystallization and foaming. Foaming heat treatment, crystallization and foaming holding time for 20 minutes, then direct annealing and slow cooling, cooling to 160°C for 6.5 hours, after demoulding, grinding and polishing, cutting to obtain light blue jade-colored microcrystall...

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Abstract

The invention relates to a method for producing a microcrystalline foam thermal-insulation sheet material through utilizing industrial lithium tailings, which adopts industrial lithium tailings having abundant resources as a main raw material to produce the microcrystalline foam thermal-insulation sheet material. Auxiliary raw materials comprise quartz sand, calcium powder, industrial barium carbonate, industrial soda ash, industrial borax, zinc oxide, a clarificant, a coloring agent and the like. The microcrystalline foam thermal-insulation sheet material has the advantages of excellent physical and chemical performances, environmental protection, suitableness for an industrial streamline technology flow in the production technology process, abundant raw materials, low cost, short crystallization foaming time, high production efficiency, energy saving, comprehensive and effective utilization of resources, and the like.

Description

Technical field: [0001] The microcrystalline foam thermal insulation board in the present invention is a silicate product, which belongs to the product of the building materials industry, and in particular relates to a method for producing a microcrystalline foam thermal insulation board by utilizing industrial lithium tailings. Background technique: [0002] Foam glass, also known as porous glass, is based on waste glass, mica, fly ash, perlite, etc. A porous material with a large number of uniform pores inside is made by preheating, melting, foaming, cooling, annealing, etc. The production and application of foam glass has partially solved the problem of rational utilization of waste glass, fly ash and other domestic waste and industrial waste, and at the same time provided a lightweight material with excellent performance for the construction industry, which has slowed down environmental pollution to a certain extent and played a role To the role of environmental prot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C11/00C03C10/04
Inventor 赵保华邹辞阳赵玉岭梁东成
Owner 淄博钰晶新型材料科技有限公司