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Preparation method of microcrystalline glass

A technology of glass-ceramics and particles, which is applied in the field of glass-ceramics preparation, can solve the problems of heat resistance and toughness to be improved, glass-ceramic wear resistance and poor mechanical properties, etc., so as to improve mechanical properties and improve bonding The effect of strength, thermal stability and mechanical properties improvement

Inactive Publication Date: 2018-10-02
朱文杰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a preparation method of glass-ceramics in view of the problems that the wear resistance and mechanical properties of glass-ceramics are not good, and the heat resistance and toughness need to be improved.

Method used

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  • Preparation method of microcrystalline glass

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preparation example Construction

[0031] A method for preparing glass ceramics, comprising the steps of:

[0032] (1) Take the straw, crush it through a 120-mesh sieve, take the sieved particles and lay them on the container with a thickness of 2~4cm, and lay quicklime on the particles, control the thickness of the quicklime to be 0.1~0.3cm, and then alternately use the same thickness Lay sieved particles and quicklime to 30~45% of the height of the container, add 45~60% of the container volume of water, mix, let stand for 20~24h, add 4~8% of the container volume of the mixture, seal the container, and put it under room temperature Stand still for 4-8 days, filter with suction, collect the filter residue, rinse with deionized water until the lotion is neutral, then move to a drying oven at 65-80°C and dry until the water content is below 1%, to obtain pretreated straw particles;

[0033] (2) According to the number of parts by mass, take 20~40 parts of pretreated straw particles, mix 25~35 parts of oxidant, st...

Embodiment 1

[0038] Straw: Cotton straw.

[0039] Mixing material: take biogas slurry according to the mass ratio of 4:1, and mix watermelon seeds crushed through a 100-mesh sieve to obtain the mixing material.

[0040] Coating solution: Mix potassium permanganate, sodium alginate, xanthan gum, and water at a mass ratio of 2:4:0.2:10 to obtain a coating solution.

[0041] Mixed stone: In parts by weight, 10 parts of sepiolite, 40 parts of bauxite and 3 parts of copper alloy powder are mixed to obtain the mixed stone.

[0042] Oxidant: Mix potassium permanganate, sodium periodate, and water in a mass ratio of 4:2:12 to obtain the oxidant.

[0043] Adjuvant: mix sodium fluoride, nano-iron powder, and sodium chloride at a mass ratio of 4:1:0.2 to obtain the adjuvant.

[0044] Waste residue pretreatment: soak glass slag and carbide slag in a sodium citrate solution with a concentration of 0.1mol / L for 3 hours at a mass ratio of 1:1:10, filter, and dry the filter residue to obtain waste resid...

Embodiment 2

[0052] Straw: wheat straw.

[0053] Mixing material: take biogas slurry according to the mass ratio of 5:1, and mix watermelon seeds crushed through a 100-mesh sieve to obtain the mixing material.

[0054] Coating solution: Mix potassium permanganate, sodium alginate, xanthan gum, and water at a mass ratio of 2:6:0.2:10 to obtain a coating solution.

[0055] Mixed stone material: in parts by weight, 15 parts of sepiolite, 50 parts of bauxite and 4 parts of copper alloy powder are mixed to obtain the mixed stone material.

[0056] Oxidant: Mix potassium permanganate, sodium periodate and water at a mass ratio of 4:2.5:15 to obtain the oxidant.

[0057] Adjuvant: mix sodium fluoride, nanometer iron powder, and sodium chloride at a mass ratio of 6:1:0.2 to obtain the adjuvant.

[0058] Waste residue pretreatment: soak glass slag and carbide slag in a sodium citrate solution with a concentration of 0.1mol / L for 5 hours at a mass ratio of 1:2:10, filter, and dry the filter residu...

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Abstract

The invention discloses a preparation method of microcrystalline glass and belongs to the technical field of glass making. The preparation method has the advantages that straw, quick lime and water are mixed to release heat and absorb silicon dioxide generated by a mixed stone material, and accordingly the mechanical performance of a microcrystalline fiber system is increased; the silicon dioxideadsorbed in straw particle fibers can have reaction with carbon under the catalytic effect of sodium fluoride and nano iron powder to generated hard and wear-resistant silicon carbide, surface roughness is increased effectively, bonding strength among various system components is further increased, and product thermal stability and mechanical performance are effectively increased; sepiolite, bauxite and copper alloy powder are used as the materials, potassium permanganate, sodium alginate and xanthan gum are mixed to prepare coating liquid, sintering is performed after granulation, exothermicreaction is performed, sintering efficiency is increased, and mechanical performance is further improved; the problems that current microcrystalline glass is poor in wear resistance and mechanical performance, and the heat resistance and the toughness of the current microcrystalline glass need to be increased are solved.

Description

technical field [0001] The invention belongs to the technical field of glass manufacturing, and in particular relates to a preparation method of glass-ceramic. Background technique [0002] Glass-ceramic refers to the addition of some nucleating substances to the glass, and through heat treatment, light irradiation, or chemical treatment, a large number of tiny crystals are uniformly precipitated in the glass to form a multi-phase dense microcrystalline phase and glass phase. Complex. By controlling the type, quantity and size of crystallites, transparent glass-ceramics, glass-ceramics with zero expansion coefficient, surface-strengthened glass-ceramics, glass-ceramics of different colors or machinable glass-ceramics can be obtained. Crystalline glass (CRYSTOE and NEOPARIES) is also called microcrystalline jade or ceramic glass. It is an inorganic non-metallic material. It is synthetic glass, which is a new type of building material just developed by foreign countries. It...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03C6/06C03C6/02C03C1/02
CPCC03C1/002C03C1/02C03C10/0063
Inventor 朱文杰陈建春李莉
Owner 朱文杰
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