CN102093032B - Preparation method of light refractory plate - Google Patents
Preparation method of light refractory plate Download PDFInfo
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- CN102093032B CN102093032B CN 201010606305 CN201010606305A CN102093032B CN 102093032 B CN102093032 B CN 102093032B CN 201010606305 CN201010606305 CN 201010606305 CN 201010606305 A CN201010606305 A CN 201010606305A CN 102093032 B CN102093032 B CN 102093032B
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Abstract
The invention discloses a preparation method of a light refractory plate, belonging to the field of the refractory material. The preparation method comprises the following steps: using talcum powder, bauxite powder and clay powder as main raw materials to mix evenly in advance, then adding expansion glazed hollow beads to mix evenly, placing the final mixture in a mixer, adding water to stir, shaping, drying, and firing at 1400-1600 DEG C. The added glazed hollow beads can meet the refractory requirement and also effectively achieve the aim of reducing the weight. The method can be widely used in the fields such as architecture, metallurgy and chemical engineering.
Description
Technical field
The invention belongs to fire resisting material field, be specifically related to a kind of manufacture method of light weight fire.
Technical background
Void content is high in the refractory materials, volume density is low is called lightweight refractory, has vesicular structure and high thermal insulation, therefore also claim insulating refractory.Refractory materials is comprised of principal crystalline phase and matrix, because material structure different (such as granular size and distribution, void content, pore size and distributions), its heat exchange pattern is also different, thereby directly affects the heat-conductive characteristic of material.Heat carries out with conduction pattern in principal crystalline phase and matrix, and heat carries out with radiation and convection type in pore.Because the gas conduction performance only is 1/10 of solid material, therefore it can effectively stop the transmission of gas heat in pore, the vesicular structure that lightweight refractory has and low volume density make it have the heat-insulating and energy-saving effect.
Expanded and vitrified small ball is a kind of inorganic light weight particulate species material monomer with better heat-insulating property that development in recent years is got up; its inner porous cavity; surface vitreous sealing; gloss is level and smooth; physicochemical property is stable; have light weight, thermal insulation, fire prevention, high-low temperature resistant, the excellent specific property such as anti-aging, water-intake rate is little.
Summary of the invention
The objective of the invention is to overcome existing shortcoming of producing the lightweight refractory method, provide a kind of and economize on resources, protection of the environment, conscientiously solve the manufacture method of existing preparation lightweight refractory method defective.
The manufacture method of a kind of light weight fire of the present invention may further comprise the steps:
(1) adopts take talcum powder, alumine powder, clay powder, expanded and vitrified small ball as raw material.
(2) first that the raw material of talcum powder, alumine powder, clay powder is evenly mixed, form compound, again
Add expanded and vitrified small ball and mix, add at last entry and make pug and moulding.
(3) sample seasoning demoulding after 1 day of moulding, then drying kiln for drying 12 hours, drying temperature was 110 ℃.
(4) dried sample burns till in electric furnace, and sintering process is: the temperature rise rate with 4 ℃/min rises to 1400 ℃-1600 ℃ from room temperature, and soaking time is 3 hours, furnace cooling.
Talcum powder 28-15wt% in the above-mentioned compound, alumine powder 27-50wt%, clay powder 45-35wt%; The volume ratio of expanded and vitrified small ball and compound (talcum powder+alumine powder+clay powder) is 1: 6-1: 1.
Preferred 1450 ℃ of above-mentioned steps (4) firing temperature.
The invention has the advantages that utilizing expanded and vitrified small ball can make in the goods after burning till presents uniform hole; and free from environmental pollution; the glass bead that mixes can not only reach fire-resistant requirement; simultaneously the purpose of lightweight can be effectively reached, thereby the light weight fire of excellent property can be effectively prepared.The lightweight refractory that utilizes expanded and vitrified small ball to produce; the shortcoming such as can overcome effectively that the refractory materials proportion that traditional method (combustiblematerials addition method, foaming process, chemical method etc.) produces is large, structure is inhomogeneous, physical strength is low, profile variation is large, the production cycle is long, production efficiency is low and heat-proof quality is poor; preferably popularizing application prospect is arranged, can be widely used in the fields such as building, metallurgy, chemical industry.
Embodiment
Example 1: prescription consists of: talcum powder 28wt%, alumine powder 27wt%, clay powder 45wt%, the volume ratio of expanded and vitrified small ball and compound (talcum powder+alumine powder+clay powder) is 1: 6.Talcum powder, alumine powder and clay powder are pre-mixed, mix again expanded and vitrified small ball and mix, add at last entry and make pug and moulding.The demoulding behind the sample seasoning 1d of moulding.Then in drying kiln for drying, its drying system is 110 ℃ * 12h.Dried sample burns till in electric furnace, and calcining system is: the temperature rise rate with 4 ℃/min rises to 1450 ℃ from room temperature, and soaking time is 3h, furnace cooling.
Example 2: prescription consists of: talcum powder 15wt%, alumine powder 50wt%, clay powder 35wt%, the volume ratio of expanded and vitrified small ball and compound (talcum powder+alumine powder+clay powder) is 1: 4.Talcum powder, alumine powder and clay powder are pre-mixed, mix again expanded and vitrified small ball and mix, add at last entry and make pug and moulding.The demoulding behind the sample seasoning 1d of moulding.Then in drying kiln for drying, its drying system is 110 ℃ * 12h.Dried sample burns till in electric furnace, and calcining system is: the temperature rise rate with 4 ℃/min rises to 1450 ℃ from room temperature, and soaking time is 3h, furnace cooling.
Example 3: prescription consists of: talcum powder 25, alumine powder 40, clay powder 35, the volume ratio of expanded and vitrified small ball and compound (talcum powder+alumine powder+clay powder) is 1: 3.Talcum powder, alumine powder and clay powder are pre-mixed, mix again expanded and vitrified small ball and mix, add at last entry and make pug and moulding.The demoulding behind the sample seasoning 1d of moulding.Then in drying kiln for drying, its drying system is 110 ℃ * 12h.Dried sample burns till in electric furnace, and calcining system is: the temperature rise rate with 4 ℃/min rises to 1450 ℃ from room temperature, and soaking time is 3h, furnace cooling.
Example 4: prescription consists of: talcum powder 26, alumine powder 34, clay powder 40, the volume ratio of expanded and vitrified small ball and compound (talcum powder+alumine powder+clay powder) is 1: 1.Talcum powder, alumine powder and clay powder are pre-mixed, mix again expanded and vitrified small ball and mix, add at last entry and make pug and moulding.The demoulding behind the sample seasoning 1d of moulding.Then in drying kiln for drying, its drying system is 110 ℃ * 12h.Dried sample burns till in electric furnace, and calcining system is: the temperature rise rate with 4 ℃/min rises to 1450 ℃ from room temperature, and soaking time is 3h, furnace cooling.
Claims (2)
1. the manufacture method of a light weight fire is characterized in that, may further comprise the steps:
(1) adopts take talcum powder, alumine powder, clay powder, expanded and vitrified small ball as raw material;
(2) first that the raw material of talcum powder, alumine powder, clay powder is evenly mixed, form compound, add again expanded and vitrified small ball and mix, add at last entry and make pug and moulding;
(3) sample seasoning demoulding after 1 day of moulding, then drying kiln for drying 12 hours, drying temperature was 110 ℃;
(4) dried sample burns till in electric furnace, and sintering process is: the temperature rise rate with 4 ℃/min rises to 1400 ℃-1600 ℃ from room temperature, and soaking time is 3 hours, furnace cooling;
Talcum powder 28-15wt% in the described compound, alumine powder 27-50wt%, clay powder 45-35wt%; The volume ratio of expanded and vitrified small ball and compound is 1:1-6.
2. method claimed in claim 1 is characterized in that, preferred 1450 ℃ of step (4) firing temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606305 CN102093032B (en) | 2010-12-24 | 2010-12-24 | Preparation method of light refractory plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010606305 CN102093032B (en) | 2010-12-24 | 2010-12-24 | Preparation method of light refractory plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102093032A CN102093032A (en) | 2011-06-15 |
| CN102093032B true CN102093032B (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010606305 Expired - Fee Related CN102093032B (en) | 2010-12-24 | 2010-12-24 | Preparation method of light refractory plate |
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| CN (1) | CN102093032B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110185164B (en) * | 2019-06-25 | 2024-04-23 | 吉林建筑科技学院 | Energy-saving heat-insulating board for ultralow-energy-consumption building and preparation method thereof |
| CN112645721B (en) * | 2020-12-23 | 2023-04-28 | 山东乐鹏新材料有限公司 | Refractory material for high-temperature kiln and preparation method thereof |
| CN115466076B (en) * | 2022-09-06 | 2023-06-23 | 辽宁鹏硕科技有限公司 | Concrete ECI early crack inhibitor and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121493A (en) * | 1995-07-03 | 1996-05-01 | 淄博市淄川区查王乡社会福利耐火建材厂 | Cordierite light brick productive method |
| FR2771406B1 (en) * | 1997-11-27 | 2000-02-11 | Bouygues Sa | METAL FIBER CONCRETE, CEMENT MATRIX AND PREMIXES FOR THE PREPARATION OF THE MATRIX AND CONCRETE |
| CN101597159A (en) * | 2009-06-19 | 2009-12-09 | 江苏省一夫新材料科技有限公司 | A kind of gypsum fire retardant coating |
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Granted publication date: 20130410 Termination date: 20191224 |