Diatomite decoration brick and molding method thereof

A molding method and diatomite technology, applied in the field of environmental protection decorative materials, can solve problems such as loss of air purification ability, and achieve the effects of high strength and air purification ability, high air purification ability, and excellent air purification ability

Inactive Publication Date: 2016-09-21
刁宏伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the existing diatomite decorative brick loses the air purification ability due to the high calcination temperature in the manuf

Method used

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  • Diatomite decoration brick and molding method thereof
  • Diatomite decoration brick and molding method thereof
  • Diatomite decoration brick and molding method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] (1) Premixing of raw materials: 40 parts of diatomite (particle size 200 mesh), 40 parts of calcined kaolin (whiteness>95, particle size 200

[0044] mesh), 10 parts of composite inorganic binder, 3 parts of polycrystalline mullite ceramic fiber (whiteness>90) and 5 parts of iron oxide red pigment are mixed evenly; among them, silica sol in composite inorganic binder: aluminum sol: The weight ratio of potassium phosphate is 1:1:0.26;

[0045] (2) Compression molding: Spray and moisten the above-mentioned premixed raw materials and place them in a mold for compression molding, and store them in a cool place.

[0046] After drying, the mold is removed to obtain a rough billet;

[0047] (3) Low-temperature calcination: put the above-mentioned shaped rough body into a tunnel kiln for calcination, the calcination temperature is 200°C, the calcination time is 6 hours, and the product is obtained after cooling.

[0048] figure 1 The scanning electron micrograph of the sect...

Embodiment 2

[0051] (1) Raw material premixing: 50 parts of diatomite (particle size 400 mesh), 30 parts of calcined kaolin (whiteness>95, particle size 200

[0052] mesh), 6 parts of composite inorganic binder, 5 parts of polycrystalline mullite ceramic fiber (whiteness>90) and 3 parts of iron oxide yellow pigment are mixed evenly; among them, silica sol in composite inorganic binder: aluminum sol: The weight ratio of sodium phosphate is 1:1:0.25;

[0053] (2) Compression molding: Spray and moisten the above-mentioned premixed raw materials and place them in a mold for compression molding, and store them in a cool place.

[0054] After drying, the mold is removed to obtain a rough billet;

[0055] (3) Low-temperature calcination: put the above-mentioned formed rough body into a tunnel kiln for calcination, the calcination temperature is 250°C, the calcination time is 5 hours, and the product is obtained after cooling.

[0056] The compressive strength of the diatomite decorative brick obt...

Embodiment 3

[0058] (1) Raw material premixing: 30 parts of diatomite (particle size 500 mesh), 20 parts of calcined kaolin (whiteness>95, particle size 150

[0059] mesh), 5 parts of composite inorganic binder, 2 parts of polycrystalline mullite ceramic fiber (whiteness>90) and 2 parts of cobalt blue pigment are mixed evenly; among them, in the composite inorganic binder, silica sol: aluminum sol: phosphoric acid The weight ratio of sodium is 1:1:0.2;

[0060] (2) Compression molding: Spray and moisten the above-mentioned premixed raw materials and place them in a mold for compression molding, and store them in a cool place.

[0061] After drying, the mold is removed to obtain a rough billet;

[0062] (3) Low-temperature calcination: put the formed rough body into a tunnel kiln for calcination, the calcination temperature is 350°C, the calcination time is 3 hours, and the product is obtained after cooling.

[0063] The compressive strength of the diatomite decorative brick obtained in t...

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Abstract

The invention discloses a diatomite decoration brick and a molding method thereof. The diatomite decoration brick is produced from, by weight, 30-60 parts of diatomite, 15-50 parts of calcined kaolin, 5-12 parts of a composite inorganic adhesive, 2-6 parts of ceramic fibers and 2-6 parts of an inorganic pigment. The molding method of the brick comprises the following steps: uniformly mixing diatomite, calcined kaolin, the composite inorganic adhesive, the ceramic fibers and the inorganic pigment; spraying water onto the above uniformly-premixed raw materials to wet the raw materials, placing the wetted raw materials in a die, carrying out compression molding, drying the molded mixture in a shady and cool place, and removing the die to obtain a rough blank; and placing the molded rough blank in a tunnel furnace, calcining the rough blank at 150-400DEG C for 2-10h, and cooling the calcined rough blank to obtain the diatomite decoration brick. The diatomite decoration brick has high strength and high air purifying ability, is especially suitable for decorating interior and exterior walls of civil buildings, and can be widely applied to factories, subways, food and drink places, entertainment places, conference centers and theaters.

Description

technical field [0001] The invention belongs to the field of environment-friendly decorative materials, and in particular relates to a diatomite decorative brick and a molding method thereof. Background technique [0002] Diatomite is a kind of siliceous rock. Because of its extremely high porosity and strong adsorption properties, it can remove a large amount of toxic and harmful substances in the air. It has been widely used in the field of building materials. At present, diatomite-based coatings It has been accepted by the general public in China, and its good performances such as odor removal, formaldehyde removal, humidity control, fire prevention and heat insulation, mildew resistance and antibacterial are praised by the public. [0003] The content of diatomite in the existing diatomite wall materials generally does not exceed 25%, and the adsorption capacity is low, the strength is poor, and the construction procedure is complicated. The diatomite decorative brick m...

Claims

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Application Information

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IPC IPC(8): C04B28/34C04B14/08B28B1/52B28B3/02
CPCB28B1/52B28B3/02C04B14/08C04B28/34C04B2111/00025C04B2201/50C04B12/04C04B12/00C04B14/106C04B14/38C04B2103/54
Inventor 李陇科刁宏伟
Owner 刁宏伟
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