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Preparation method of ceramic curtain wall and foamed ceramic composite material

A technology of foam ceramics and composite materials, which is applied in the production of ceramic materials, ceramic products, clay products, etc., can solve the problems of composite material limitations, low bonding strength, and low yield, and achieve high composite strength, low water absorption, and high The effect of flexural strength

Active Publication Date: 2017-11-10
SHAANXI UNIV OF SCI & TECH
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Problems solved by technology

However, the high water absorption and low bonding strength of cement have great limitations on the use of composite materials.
Patent CN105315013A discloses a method for preparing composite materials by contacting and bonding with the bottom of ceramic plates during the volume expansion process of foamed glass, but the process is relatively complicated, the yield is not high, and the energy consumption is also relatively large; In the formulation process, the matching of the performance of the two must also be considered

Method used

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  • Preparation method of ceramic curtain wall and foamed ceramic composite material

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preparation example Construction

[0024] A method for preparing a ceramic curtain wall and a ceramic foam composite material, comprising the following steps:

[0025] Step 1: Use 75-80wt.% iron tailings and 19-24wt.% flat waste glass powder as the main raw materials, and 1wt.% silicon carbide powder as a foaming agent as a raw material for foam ceramics; use 70-75wt.% iron tailings Mine, 10-15wt.% Suzhou soil and 10-15wt.% ceramic waste are used as raw materials for the ceramic curtain wall, and the two materials are mixed with a drum type ball mill;

[0026] Step 2: Add 5wt.% PVA solution to the mixed powder for granulation, the amount of PVA added to the foam ceramic mixture and the ceramic curtain wall mixture accounts for 2%-2.5% of the mass of the foam ceramic mixture and the ceramic curtain wall mixture respectively , and then use semi-dry pressing to obtain the green body, the molding pressure is 2.5 tons, and the green body size is 30×30×20mm 3 After drying, place the foamed ceramic body on the top su...

Embodiment 1

[0030] Step 1: Use 75wt.% iron tailings and 24wt.% flat waste glass powder as the main raw materials, and 1wt.% silicon carbide powder as the foaming agent as raw materials for foam ceramics; use 70wt.% iron tailings, 15wt.% Suzhou Soil and 15wt.% ceramic waste are used as raw materials for the ceramic curtain wall, and the two raw materials are mixed by a drum type ball mill;

[0031] Step 2: Add 5wt.% PVA solution to the mixed powder to granulate respectively. The amount of PVA added in the foam ceramic mixture and the ceramic curtain wall mixture accounts for 2% of the quality of the foam ceramic mixture and the ceramic curtain wall mixture respectively, and then use The green body is obtained by semi-dry pressing, the forming pressure is 2.5 tons, and the size of the green body is 30×30×20mm 3 After drying, place the foamed ceramic body on the top surface of the ceramic curtain wall body of the same size to ensure that the joint surface of the two is smooth and even, and f...

Embodiment 2

[0034] Step 1: Use 76wt.% iron tailings and 23wt.% flat waste glass powder as main raw materials, 1wt.% silicon carbide powder as foaming agent as raw material for foam ceramics; use 71wt.% iron tailings, 14wt.% Suzhou Soil and 15wt.% ceramic waste are used as raw materials for the ceramic curtain wall, and the two raw materials are mixed by a drum type ball mill;

[0035] Step 2: Add 5wt.% PVA solution to the mixed powder to granulate respectively, the amount of PVA added in the foam ceramic mixture and the ceramic curtain wall mixture accounts for 2.5% of the quality of the foam ceramic mixture and the ceramic curtain wall mixture respectively, and then use The green body is obtained by semi-dry pressing, the forming pressure is 2.5 tons, and the size of the green body is 30×30×20mm 3 After drying, place the foamed ceramic body on the top surface of the ceramic curtain wall body of the same size to ensure that the joint surface of the two is smooth and even, and fully contac...

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Abstract

The invention discloses a preparation method of a ceramic curtain wall and foamed ceramic composite material. The method comprises the steps that PVA is added into a foamed ceramic mixture and a ceramic curtain wall mixture for granulation, a foamed ceramic granulation material and a ceramic curtain wall granulation material are obtained respectively, the foamed ceramic granulation material and the ceramic curtain wall granulation material are subjected to semi-dry pressing molding to obtain a foamed ceramic body and a ceramic curtain wall body, the foamed ceramic body and the ceramic curtain wall are dried, the dried foamed ceramic body is placed on the top face of the dried ceramic curtain wall body, the combination faces of the foamed ceramic body and the ceramic curtain wall body is smooth and flat, and sufficient contact is performed to obtain a composite body; then, the composite body is kept at the temperature of 120 DEG C for 12 h, the temperature is increased to 1,100-1,150 DEG C for foaming, after foaming is finished, the temperature is decreased to 600 DEG C, heat preservation is performed for 4 h, and after furnace cooling is performed, the ceramic curtain wall and foamed ceramic composite material is obtained. By adopting the foamed ceramic and ceramic curtain sintering method, the compound technology is simple, the energy consumption can be greatly lowered, and the cost is lowered.

Description

technical field [0001] The invention belongs to the field of solid waste reuse and preparation of building materials, and in particular relates to a method for preparing a ceramic curtain wall and a foam ceramic composite material. Background technique [0002] Ceramic curtain wall is a new type of building curtain wall material, which has the advantages of wind pressure deformation resistance, earthquake resistance, fire prevention and beautiful appearance. Most of the raw materials for ceramic curtain walls are natural raw materials. In recent years, there have been more and more studies on the use of solid waste as raw materials to prepare ceramic curtain walls. Patent CN103896556A discloses a new environmental protection and energy-saving curtain wall material made of sludge and waste ceramics and its preparation method. Ceramic curtain walls are often used in conjunction with foam materials, such as foam glass, foam ceramics, etc. Among them, foam ceramics is a new ty...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132C04B33/13C04B38/02C04B33/32
CPCC04B33/13C04B33/1305C04B33/131C04B33/1324C04B33/1328C04B33/32C04B38/02C04B2235/3826C04B2235/77C04B2235/96C04B2235/9607Y02P40/60
Inventor 殷海荣王飞白建光张森汪枫帆田一冲李明阳高杨
Owner SHAANXI UNIV OF SCI & TECH
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