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Roof tile and snowmelt roof roofed by the tile

A technology for roofing tiles and ceramic materials, which is applied to roofs, roof coverings, and roofs using tiles/slate tiles.

Inactive Publication Date: 2002-11-27
MINEBEA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Roof tiles used for melting snow roofs are also made of clay or cement, so there is also a problem that a huge load is applied to the columns supporting the roof

Method used

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  • Roof tile and snowmelt roof roofed by the tile
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  • Roof tile and snowmelt roof roofed by the tile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] Embodiment 1 [preparation of fireproof CRB ceramic material]

[0071] 55 kg of defatted rice bran from rice bran and 45 kg of liquid phenolic resin (resol) were mixed and kneaded while heating to 50-60° C. to obtain a plastic homogeneous mixture.

[0072] The mixture was baked in a rotary kiln at 1000°C in a nitrogen atmosphere for 70 minutes. The generated carbonized and roasted agglomerates were pulverized with a pulverizer and passed through a 200-mesh sieve to obtain carbonized powder with an average particle size of 100 μm.

[0073] 70kg of carbonized powder obtained in this way, 10kg of silica powder, 20kg of alumina powder, 10kg of phenolic resin as a binder, 5kg of sodium silicate, and 15kg of water and 5kg of ethanol as a solvent were kneaded together to obtain a plastic homogeneous mixture .

[0074] The particle size of the silicon dioxide used is 5-10 μm, and the particle size of the alumina is 10-20 μm. [Fireproof Roof Tile Molding]...

Embodiment 2

[0081] Embodiment 2 [preparation of fireproof CRB ceramic material]

[0082] 75 kg of defatted rice bran from rice bran and 25 kg of liquid phenolic resin (resol) were mixed and kneaded while heating to 50-60° C. to obtain a plastic homogeneous mixture.

[0083] The mixture was baked in a rotary kiln at 900° C. for 60 minutes in a nitrogen atmosphere. The generated carbonized and roasted agglomerates were pulverized by a pulverizer and passed through a 200-mesh sieve to obtain a carbonized powder with an average particle size of 90 μm.

[0084] 80 kg of the carbonized powder thus obtained, 60 kg of alumina powder, 10 kg of aluminum phosphate as a binder, and 25 kg of water as a solvent were kneaded together to obtain a homogeneous mixture having plasticity.

[0085] The average particle size of alumina used is 10-20 μm. [Fireproof Roof Tile Molding]

[0086] Next, the resistor 4 made of nickel-chromium alloy wire such as figure 2 Embedded in a plasti...

Embodiment 3

[0092] Fireproof CRB ceramic material roof tiles with heating elements were produced from CRB ceramic material in the following manner. [Preparation of CRB ceramic material]

[0093] 75 kg of defatted rice bran from rice bran and 25 kg of liquid phenolic resin (resol) were mixed and kneaded while heating to 50-60° C. to obtain a plastic homogeneous mixture.

[0094] The mixture was baked at 900° C. for 60 minutes in a nitrogen atmosphere in a rotary kiln. The generated carbonized and roasted agglomerates are crushed with a pulverizer and passed through a 100-mesh sieve to obtain carbonized powder with an average particle size of 50-250 μm.

[0095] 75 kg of the carbonized powder thus obtained was kneaded with 25 kg of solid phenolic resin (resol) while heating to 100-150° C. to obtain a homogeneous mixture having plasticity. [Form heating element]

[0096] This plastic mixture is press molded under 22MPa to obtain such as figure 2The heating resistor shown. The mold temp...

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Abstract

The invention discloses a roof tile made of a fireproof ceramic material, which is obtained through the following steps: kneading defatted rice bran from rice bran and a thermosetting resin, and preliminarily baking the obtained mixture in an inert atmosphere at 700-1000° C. The block is crushed into carbonized powder, and then the carbonized powder is kneaded with a ceramic material powder, a solvent, and an optional binder to obtain a plastic mixture (ceramic material-solvent mixture), and the mixture has a pressure of 10-100 MPa. Press forming, and the obtained briquettes are heat-treated again in an inert atmosphere at 500-1400°C.

Description

technical field [0001] The invention relates to a roof tile made of a novel fireproof CRB ceramic material, and a snow melting roof structure made of the roof tile. Background technique [0002] Materials currently used to manufacture roof tiles include clay and cement. Usually the thickness of the roof tiles makes the weight of the individual tiles very high, thus putting a huge load on the columns supporting the roof. [0003] Roof tiles used for snow-melting roofs are also made of clay or cement, so there is also a problem that a huge load is applied to the columns supporting the roof. [0004] In addition, the roof tiles used for snow-melting roofs must also have embedded heating elements. Contents of the invention [0005] The object of the present invention is to provide a roof tile which overcomes the disadvantages of the corresponding prior art and which is at the same time lightweight, weather-resistant and corrosion-resistant, and which cannot be affected by hu...

Claims

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Application Information

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IPC IPC(8): C04B18/10C04B33/132C04B33/36C04B35/565C04B35/622E04D1/04E04D1/08E04D1/30E04D1/34E04D12/00E04D13/10E04D13/18
CPCC04B18/101C04B33/132C04B33/20C04B33/32C04B33/36C04B35/10C04B35/14C04B35/48C04B35/5611C04B35/5626C04B35/565C04B35/583C04B35/584C04B35/597C04B35/62204C04B35/62213C04B35/6262C04B35/6263C04B35/6264C04B35/6267C04B35/6309C04B2235/3201C04B2235/3217C04B2235/3244C04B2235/3418C04B2235/3427C04B2235/3826C04B2235/3847C04B2235/386C04B2235/3869C04B2235/3873C04B2235/48C04B2235/5436C04B2235/604C04B2235/6562C04B2235/6565C04B2235/6567C04B2235/94E04D1/04E04D1/34E04D12/004E04D13/103E04D2001/345E04D2001/3455E04D2001/3467E04D2001/3473Y02B10/20Y02W30/91Y02P40/60
Inventor 堀切川一男小原陆郎
Owner MINEBEA CO LTD
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