A lightweight insulating brick

An insulating brick, lightweight technology, applied in the field of insulating materials, can solve the problems of long time consumption and complicated firing process, and achieve the effect of wide application range, simple firing process, and guaranteed compressive strength

Active Publication Date: 2017-12-26
KEDA INDUSTRIAL GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The firing process of this patent is relatively complicated, and the total firing time is about 10 hours, which takes a long time

Method used

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  • A lightweight insulating brick
  • A lightweight insulating brick

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0103] The raw materials are mixed according to the ratio, and the formula is: 60% industrial cinder, 20% mud, 4% potassium feldspar, 4% albite feldspar, 4% quartz, and 8% polishing slag; then ball milling, spraying, compression molding, and drying , firing, polishing, edging, and finally packaged into finished products;

[0104] Wherein, firing step comprises:

[0105] (1) Add a refractory backing plate under the green body, and spread at least one layer of alumina high-temperature powder between the green body and the refractory backing plate;

[0106] (2) Raise the green body from room temperature to 800°C, and the heating time is t 1 =20min;

[0107] (3) Slowly raise the temperature of the green body from 800°C to 1000°C, and the heating time is t 2 =40min, and heat preservation under the condition of temperature 1000℃, the heat preservation time is t 3 =20min;

[0108] (4) Raise the green body from 1000°C to temperature T, wherein the temperature T is 1150°C, and th...

Embodiment 2

[0112] Mix the raw materials according to the ratio, the formula is: 65% industrial cinder, 10% mud, 5% potassium feldspar, 5% albite feldspar, 5% quartz, 10% polishing slag;

[0113] After ball milling, spraying, pressing, drying, firing, polishing, edging, and finally packaging into finished products.

[0114] Wherein, firing step comprises:

[0115] (1) Add a refractory backing plate under the green body, and spread at least one layer of high-temperature silica powder between the green body and the refractory backing plate;

[0116] (2) Raise the green body from room temperature to 800°C, and the heating time is t 1 =30min;

[0117] (3) Slowly raise the temperature of the green body from 800°C to 1000°C, and the heating time is t 2 =50min, and heat preservation under the condition of temperature 1000℃, the heat preservation time is t 3 =25min;

[0118] (4) Raise the green body from 1000°C to temperature T, wherein the temperature T is 1200°C, and the heating time is t...

Embodiment 3

[0122] Mix the raw materials according to the ratio, and the formula is: 70% industrial cinder, 6% mud, 6% potassium feldspar, 6% albite feldspar, 6% quartz, and 6% polishing slag;

[0123] After ball milling, spraying, pressing, drying, firing, polishing, edging, and finally packaging into finished products.

[0124] Wherein, firing step comprises:

[0125] (1) Add a refractory backing plate under the green body, and spread at least one layer of alumina high-temperature powder between the green body and the refractory backing plate;

[0126] (2) Raise the green body from room temperature to 800°C, and the heating time is t 1 =40min;

[0127] (3) Slowly raise the temperature of the green body from 800°C to 1000°C, and the heating time is t 2 =60min, and heat preservation under the condition of temperature 1000℃, the heat preservation time is t 3 =30min;

[0128] (4) Raise the green body from 1000°C to temperature T, wherein the temperature T is 1180°C, and the heating ti...

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Abstract

The invention discloses a light heat insulating brick, which is made of the following main raw materials: 50-76% of industrial cinder, 6-20% of mud material, 4-20% of potassium feldspar, 4-20% of albite feldspar, 4% of quartz ‑20%, polishing slag 0‑15%. The present invention uses industrial coal slag as the main body of the formula, and the addition amount is more than 50%. Moreover, the entire firing time of the present invention can be controlled within 4-7 hours. , The fire resistance temperature exceeds 1000 degrees, can easily resist conventional fires, has small thermal conductivity and high compressive strength, and is very suitable for heat insulation of external walls and indoor heat insulation and sound insulation.

Description

technical field [0001] The invention relates to the field of thermal insulation materials, in particular to a lightweight thermal insulation brick used for thermal insulation of exterior walls and indoor thermal insulation and sound insulation. Background technique [0002] The thermal insulation material involved in the present invention is mainly used for thermal insulation of exterior walls and indoor thermal insulation and sound insulation. Existing thermal insulation materials mainly include the following types: [0003] 1. The existing external wall insulation materials are mainly benzene boards. The fire-resistant temperature of benzene boards is about 700 degrees, and they have no hardness. They have a texture similar to cotton, so they must be used with other building materials as rigid supports. , to form a composite material for use. Moreover, the temperature of the fire is generally 800-1000 degrees, and the fire-resistant temperature of 700 degrees of benzene b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/06
Inventor 林智武祯邵俊杰郭峰陈全娣
Owner KEDA INDUSTRIAL GROUP CO LTD
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