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Method for preparing urban sludge ceramic heat collection panel

A technology of ceramic heat collection and silt, applied in the direction of ceramic layered products, chemical instruments and methods, layered products, etc., can solve the problems of low efficiency, achieve the effect of reducing production costs and strengthening decoration

Inactive Publication Date: 2015-01-28
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The salt industry in coastal areas still uses the traditional method of drying salt in salt pans, which is less efficient

Method used

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  • Method for preparing urban sludge ceramic heat collection panel

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] a. Preparation of the heat collecting layer (1): after uniformly mixing the Yellow River silt and urban silt with a weight ratio of 50:50 plus 5% ceramic pigments by weight, melt treatment at a temperature of 1350°C in a frit furnace Form heat-collecting layer frit particles with a particle size of 0.1mm;

[0019] b. Preparation of the transition layer (2): uniformly mix and grind the heat-collecting layer frit particles prepared in step a with 5% by weight of mullite until the particle size is 10 μm to make the transition layer raw material;

[0020] c. Preparation of the insulation layer (3): After uniformly mixing the heat-collecting layer frit particles prepared in step a with 5% coal gangue by weight percentage, the insulation layer raw material with a particle size of 0.1mm is made by spray granulation;

[0021] d. the preparation of urban silt ceramic heat collecting plate: first adopt the setter plate (4) left, right, front, back and bottom surface to encircle t...

Embodiment 2

[0023] a. Preparation of the heat collecting layer (1): After uniformly mixing the Yellow River silt and urban silt with a weight ratio of 70:30 plus ceramic pigments with a weight percentage of 18%, melt treatment at a temperature of 1400°C in a frit furnace. Form heat-collecting layer frit particles with a particle size of 1mm;

[0024] b. Preparation of the transition layer (2): uniformly mix and grind the heat-collecting layer frit particles prepared in step a with 13% by weight of mullite until the particle size is 30 μm to make the transition layer raw material;

[0025] c. Preparation of the insulation layer (3): the heat-collecting layer frit particles prepared in step a plus 12% coal gangue by weight percentage are evenly mixed, and the insulation layer raw material with a particle size of 0.5mm is made by spray granulation;

[0026] d. the preparation of urban silt ceramic heat collecting plate: first adopt the setter plate (4) left, right, front, back and bottom sur...

Embodiment 3

[0028] a. Preparation of the heat collecting layer (1): after uniformly mixing the Yellow River silt and urban silt with a weight ratio of 90:10 and 30% by weight of ceramic pigments, melt treatment at a temperature of 1450°C in a frit furnace Form heat-collecting layer frit particles with a particle size of 2 mm;

[0029] b. Preparation of the transition layer (2): uniformly mix and grind the heat-collecting layer frit particles prepared in step a with 20% by weight of mullite until the particle size is 50 μm to make the transition layer raw material;

[0030] c. Preparation of the insulation layer (3): After the heat-collecting layer frit granules prepared in step a are added with 30% coal gangue by weight and evenly mixed, the insulation layer raw material with a particle size of 1mm is made by spray granulation;

[0031] d. the preparation of urban silt ceramic heat collecting plate: first adopt the setter plate (4) left, right, front, back and bottom surface to encircle t...

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Abstract

The invention discloses a method for preparing an urban sludge ceramic heat collection panel. The urban sludge ceramic heat collection panel is characterized by consisting of three parts, a heat collection layer (1), a transition layer (2) and a thermal insulation layer (3). According to the urban sludge ceramic heat collection panel disclosed by the invention, light waves of each frequency can be fully captured under irradiation of sunlight, so that the surface temperature of the urban sludge ceramic heat collection panel is 100 DEG C, and the thermal conversion capacity can be over 95 percent. With the adoption of once-firing, the transition layer is arranged between the heat collection layer and the thermal insulation layer, so that the defects that the pore diameter is extremely large and the bonding strength and thermal shock resistance are reduced between the heat collection layer and the thermal insulation layer due to inconsistent melting points of materials are effectively overcome. Ceramic colorants are added, so that urban sludge ceramic heat collection panels of various colors such as a single color and composite colors can be prepared, the production process is simple, the cost is low, and the heat collection effect is good.

Description

technical field [0001] The invention relates to a method for preparing an urban silt ceramic heat collecting plate, belonging to the technical field of ceramic preparation. Background technique [0002] Urban silt ceramic heat collector panels will generate a lot of heat energy when they are irradiated by sunlight. The salt industry in coastal areas still uses the traditional method of drying salt in salt pans, which is less efficient. Contents of the invention [0003] The purpose of the present invention is to provide a kind of preparation method of urban silt ceramic heat collecting plate with high heat collecting function and low production cost, its technical scheme is: [0004] A method for preparing an urban silt ceramic heat collecting plate. The urban silt ceramic heat collecting plate is composed of three parts: a heat collecting layer (1), a transition layer (2) and an insulating layer (3). The specific method includes the following steps: [0005] a. Prepara...

Claims

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Application Information

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IPC IPC(8): B32B18/00C04B35/622
CPCB32B18/00B32B33/00B32B2307/30B32B2307/558C04B35/622
Inventor 唐竹兴杨亚琼孙晓东王忠川谢亚茜
Owner SHANDONG UNIV OF TECH
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