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Building ceramic plate/brick and preparation method thereof

A technology of architectural ceramics and base materials, applied in the field of architectural ceramic materials, can solve the problems of not meeting the performance requirements of ceramic rock slabs, low flexural strength and fracture toughness, etc., and achieve ideal high-temperature deformation resistance, ensure strength, and avoid melting. Effect

Pending Publication Date: 2021-09-17
况学成 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the flexural strength and fracture toughness of the products involved in prior art 2 are not high, and cannot meet the performance requirements of ceramic rock slabs

Method used

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  • Building ceramic plate/brick and preparation method thereof

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preparation example Construction

[0062] Correspondingly, the present invention also discloses a method for preparing a building ceramic plate / brick, comprising:

[0063] (1) add the base material and additive of described building ceramic board / brick by proportioning, carry out ball milling mixing with water as medium to obtain mud;

[0064] (2) spray drying the mud into powder with a water content of 4-9 wt%;

[0065] (3) pressing and molding the powder with a press, and obtaining a green body after drying;

[0066] Under normal circumstances, dry powder pressing has lower requirements on the plasticity of the blank, so that it can be matched with the formula of the present invention and less alumina is introduced to reduce the sintering temperature. On the contrary, plastic molding has high plasticity to the blank, and a large amount of kaolin, mud and other plastic raw materials with high alumina content must be added to the blank, resulting in a high sintering temperature.

[0067] (4) After glazing is ...

Embodiment 1

[0073] (1) Formula: composed of base material and additives;

[0074] The raw material composition of the base material is bentonite 5wt%, borosilicate cullet 35wt%, ordinary cullet 7wt%, wollastonite 35wt%, fluorite 4wt%, calcined calcium phosphate 4wt%, kaolin 10wt%; relative to the base material, The additives are modified starch 0.5wt%, water glass 0.5wt%.

[0075] Among them, the chemical composition mass percentage of bentonite is: SiO 2 72.10%, Na 2 O+K 2 O 1.51%, Al 2 O 3 15.84%, Fe 2 O 3 1.12%, CaO+MgO 6.5%, TiO 2 0.15%, 2.78% loss on ignition.

[0076] The chemical composition mass percentage of high borosilicate cullet is: SiO 2 81.12%, Na 2 O+K 2 O 2.29%, Al 2 O 3 2.84%, Fe 2 O 3 0.11%, CaO+MgO+ZnO+BaO+SrO 0.43%, TiO 2 0.15%, B 2 O 3 13.06%.

[0077] The chemical composition mass percentage of ordinary cullet is: SiO 2 71.33%, Na 2 O+K 2 O 15.26%, Al 2 O 3 2.84%, Fe 2 O 3 0.21%, CaO+MgO+ZnO+BaO+SrO 10.21%, TiO 2 0.15%.

[0078]...

Embodiment 2

[0085] (1) Formula: composed of base material and additives;

[0086] The raw material composition of the base material is bentonite 6wt%, borosilicate cullet 46wt%, wollastonite fiber 30wt%, fluorite 4wt%, calcined calcium phosphate 4wt%, kaolin 10wt%; relative to the base material, the additive is modified starch 0.5wt%, water glass 0.5wt%.

[0087] Among them, the chemical composition mass percentage of bentonite is: SiO 2 72.10%, Na 2 O+K 2 O 1.51%, Al 2 O 3 15.84%, Fe 2 O 3 1.129%, CaO+MgO 6.5%, TiO 2 0.15%, 2.78% loss on ignition.

[0088] The chemical composition mass percentage of high borosilicate cullet is: SiO 2 81.12%, Na 2 O+K 2 O 2.29%, Al 2 O 3 2.84%, Fe 2 O 3 0.11%, CaO+MgO+ZnO+BaO+SrO 0.43%, TiO 2 0.15%, B 2 O 3 13.06%.

[0089] The wollastonite fiber has a diameter of 2 to 5 μm, a length of 16 to 60 μm, an aspect ratio of 8 to 12, and its chemical composition mass percentage is SiO 2 53.30%, CaO 42.80%, 3.90% loss on ignition.

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Abstract

The invention discloses a building ceramic plate / brick, which is prepared from a base material and an additive, wherein the base material comprises 5-25 wt% of a plastic raw material, 40-60 wt% of a fluxing raw material, and 25-45 wt% of wollastonite and / or wollastonite fiber, and relative to the base material, the addition amount of the additive is 0.01-6 wt%, and the additive comprises one or a combination of an organic reinforcing agent and a water reducing agent. Correspondingly, the invention also discloses a preparation method of the building ceramic plate / brick. According to the invention, through formula design, wollastonite and / or wollastonite fibers are introduced into a green body for reinforcement and toughening while low-temperature fluxing raw materials are introduced to realize low-temperature firing and avoid high-temperature melting failure of inorganic fibers, so that the product performance is remarkably improved, and the energy consumption and the production cost are reduced.

Description

technical field [0001] The invention relates to the technical field of building ceramic materials, in particular to a building ceramic plate / brick suitable for ceramic tiles and decorative panels of household, furniture and cabinets and a manufacturing method thereof. Background technique [0002] In the past two years, architectural ceramic tiles are accelerating the transformation and development in the direction of ceramic plates, and architectural ceramics are gradually opening up the market in the fields of stone, home furnishing, furniture, and cabinet decorative panels. In 2020, more than 80 ceramic enterprises across the country have added 112 ceramic slate production lines. However, at present, the application of ceramic plates as home furnishing, furniture, and cabinet decorative panels generally has the problems of processing and cutting and high energy consumption. These two problems seriously restrict the development of the industry. The sintering temperature o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132C04B33/36C04B33/13C04B33/24C04B41/89
CPCC04B33/1321C04B33/1324C04B33/131C04B33/36C04B33/1315C04B33/1305C04B41/89C04B41/52C04B41/009C04B2235/5224C04B2235/5228C04B2235/5236C04B2235/5232C04B2235/447C04B2235/3427C04B2235/96C04B41/5022Y02P40/60
Inventor 况学成陶正武
Owner 况学成
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