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Ceramic material with multi-stage duct structure and manufacture method thereof

A technology of ceramic materials and pore structure, applied in the production of ceramic materials, ceramic products, clay products, etc., can solve problems such as the impact of living environment, and achieve the effect of less cracks, good water permeability, excellent water absorption and water retention

Inactive Publication Date: 2010-11-17
ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, if these wastes are discharged at will without proper treatment, they will also have a very bad impact on our living environment

Method used

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  • Ceramic material with multi-stage duct structure and manufacture method thereof
  • Ceramic material with multi-stage duct structure and manufacture method thereof
  • Ceramic material with multi-stage duct structure and manufacture method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] 1. Raw material formula

[0065] (1) Water-quenched slag: the particle size is in the range of 0.5-1mm, and the mass percentage is 50%.

[0066] (2) Zeolite used as an adsorbent eliminated in the water treatment industry: the average particle size is 20 μm, and the mass percentage is 5%.

[0067] (3) Diatomaceous earth eliminated from the brewery as an adsorbent: the average particle size is 30 μm, and the mass percentage is 15%.

[0068] (4) Kaolinite clay: the average particle size is 100 μm, and the mass percentage is 30%.

[0069] 2. Manufacturing process

[0070] (1) Mixing and adjustment of raw materials: Mix the above-mentioned raw materials according to the proportion, add appropriate amount of water and stir evenly in the concrete mixer for 30 minutes, and adjust the water content of the slurry between 7% and 10%.

[0071] (2) Compression molding: Pour the slurry into a metal mold, and use 10kgf / cm 2 The pressure was molded to obtain a 16cm×8cm×3.5cm brick-...

Embodiment 2、 Embodiment 3、 comparative example 1 and comparative example 2

[0078] All adopt the same raw materials as in Example 1, namely, water-quenched slag, zeolite as adsorbent eliminated in the water treatment industry, diatomite and kaolin clay eliminated as adsorbent in breweries, and the specific ingredients are as follows: Table 1 shows. A brick-shaped porous ceramic body was sintered using the same manufacturing process as in Example 1. The results of the sintered compact and the properties of the porous ceramics are shown in Table 1.

Embodiment 4

[0080] 1. Raw material formula

[0081] (1) Vitreous residue remaining after sewage sludge is incinerated and melted: After crushing and screening, the particle size is controlled within the range of 0.5-1mm, and the mass percentage added is 35%.

[0082] (2) Zeolite used as an adsorbent eliminated in the water treatment industry: the average particle size is 20 μm, and the mass percentage is 10%.

[0083] (3) Diatomaceous earth eliminated from the brewery as an adsorbent: the average particle size is 30 μm, and the mass percentage is 35%.

[0084] (4) Kaolinite clay: the average particle size is 100 μm, and the mass percentage is 20%.

[0085] 2. Manufacturing process

[0086] (1) Mixing and adjustment of raw materials: Mix the above-mentioned raw materials according to the proportion, add appropriate amount of water and stir evenly in the concrete mixer for 30 minutes, and adjust the water content of the slurry between 7% and 10%.

[0087] (2) Compression molding: Pour the ...

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Abstract

The invention provides a ceramic material with a multi-stage duct structure and a manufacture method thereof. The ceramic material is characterized by being provided with a plurality of macropores with millimeter grade, tens of middle pores with millimeter grade exist on the walls of the macropores, micropores with sizes less than microns exist on the walls of the middle pores. The ceramic material is manufactured by using 10-50 percent by mass of waste and 20-60 percent by mass of natural porous mineral and matching with 10-30 percent by mass of clay through the steps of adding water for mixing, forming, drying, preheating and sintering at a temperature of 1000-1200 DEG C, wherein the waste can be expanded at high temperature or has large ignition lost and easy decomposition and volatilization. The ceramic material has excellent water-absorbing and water-retaining properties, better water permeability, excellent absorption and filtration and light weight, and can be used as a water-absorbing material, a water-retaining material, a water permeating material, a sound insulating material, a heat insulating material, an indoor deodorizing material, an absorbing material, a filtering material and the like to be widely applied to various fields.

Description

technical field [0001] The invention relates to a porous ceramic material and a manufacturing method thereof, in particular to a ceramic material with a multi-level pore structure made from waste as the main raw material and a manufacturing method thereof. Background technique [0002] Porous ceramics, as the name implies, are ceramic materials containing a large number of pores. Generally, the volume fraction of pores in the porous ceramic material is between 20% and 95%. Due to its unique porous structure, porous ceramics have the characteristics of low thermal conductivity, small bulk density, high specific surface area, and surface structure with unique physical and chemical properties. Advanced features, has been widely used in environmental protection, energy saving, chemical industry, petroleum, smelting, food, pharmaceutical, biomedical and other fields. [0003] At present, there are mainly the following methods for preparing porous ceramics: [0004] (1) Solid-s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/06C04B33/00C04B33/132B09B3/00
CPCY02P40/60Y02W30/78
Inventor 程丽
Owner ZHE JIANG ECO ENVIRONMENTAL TECH CO LTD
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