CN100494106C - Ultralight low-conductive heat-insulation material and producing method thereof - Google Patents
Ultralight low-conductive heat-insulation material and producing method thereof Download PDFInfo
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- CN100494106C CN100494106C CNB2006101283751A CN200610128375A CN100494106C CN 100494106 C CN100494106 C CN 100494106C CN B2006101283751 A CNB2006101283751 A CN B2006101283751A CN 200610128375 A CN200610128375 A CN 200610128375A CN 100494106 C CN100494106 C CN 100494106C
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- parts
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- ultralight
- conductive heat
- flyash
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a hyperlight low-conductive insulating material, which is comprises the following parts: 65-85% refined bleached ball of coal ash, 3-9% clay, 0.8-1.5% sodium silicate, 4-8% combustible material and 5-10% water. The invention utilizes waste to manufacture insulating material with high environmental value, which possesses excellent insulating property.
Description
Technical field
The invention belongs to the thermal insulation technology field, particularly a kind of Ultralight low-conductive heat-insulation material and production method thereof.
Background technology
The tradition lagging material comprises soft lagging material and hard insulating material, and soft lagging material globality is poor, and inconvenience is built by laying bricks or stones and life-time service, and Application Areas is restricted; Hard insulating material thermal conductivity height, energy-saving effect is not good.These lagging materials all exist than great, defectives such as refractoriness is low, thermal conductivity height, and range of application is limited.Therefore, development and use ultralight matter, low heat conduction, high-intensity environmental protection and energy saving lagging material are important development directions of refractory materials, for improving environment for human survival, save human limited resources, reducing enterprise and consume, improve the business economic benefit and will play immeasurable effect.
Summary of the invention
The object of the invention is to provide a kind of Ultralight low-conductive heat-insulation material and production method thereof.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: Ultralight low-conductive heat-insulation material is not more than 0.3g/cm with proportion
3Flyash selected to float pearl be major ingredient, be that auxiliary materials and mixing is fired and formed with can burnout material and binding agent.
Starting material by following parts by weight are mixed and made into: selected 65-85 parts on pearl, 3-9 parts of clays, 0.8-1.5 parts of water glass, 4-8 parts of the materials that can burnout, 5-10 parts in the water of floating of flyash.
Flyash is selected to float in the pearl iron level less than 2%wt, granularity 0.05mm, Al
2O
3Greater than 29%wt, SiO
2Greater than 65%wt, 600 ℃ of dry for standby; Clay size is less than 250 orders, and iron level is less than 1%; The material that can burnout is sawdust or polyvinyl chloride, and granularity is less than 1mm.
The Ultralight low-conductive heat-insulation material production method is got major ingredient-proportion and is not more than 0.3g/cm
3Selected pearl, the auxiliary material-material that can burnout, binding agent and the water of floating of flyash mix and mix thoroughly, form through the ageing mixture of preserving moisture, the oven dry that is shaped, sintering.
By weight: flyash is selected to be floated 65-85 parts on pearl, 3-9 parts of clays, 0.8-1.5 parts of water glass, 4-8 parts of the materials that can burnout, water and gets material for 5-10 parts, earlier loose mixing in sand mill, Forced Mixing in soil kneader again; Compound adds mould vibration extrusion forming behind insulation, the deposit of preserving moisture; The work in-process that are shaped are dried to moisture and are not more than 1%wt, are warming up to 980 ℃-1300 ℃ then in sintering oven, temperature control 3 hours; Progressively be cooled to room temperature, get ultralight quality guarantee adiabator.
Mixing time is no less than 20 minutes in sand mill, and Forced Mixing is more than 3 times in soil kneader, and mixture thermal-insulating, the deposit of preserving moisture are no less than 6 hours.
The present invention is not more than 0.3g/cm with the selected proportion that comes out from flyash
3The pearl that floats be major ingredient, belong to regenerated resource development and utilization, value of environmental protection height; Adopt that flyash is selected to float pearl and the material that can burnout is made raw material, efficiently solve the specific gravity control problem of target product, target product proportion is not more than 0.3g/cm
3Adopt chemical bond control work in-process intensity at shaping stage, can improve the work in-process qualification rate, be convenient to handling and loading and production; Add the clay wedding agent in the raw material, the similar ceramic forming process of sintering process, product strength is greater than 15kg; But the employing burnout is an auxiliary material, forms a large amount of pores in the sintering process, and the goods thermal conductivity is low, and 350 ℃ less than 0.12.
Product the key technical indexes of the present invention sees the following form:
| The life-time service temperature | ≥1200℃ | SiO 2 | ≥65％wt |
| Normal temperature strength | ≥15kg | Al 2O 3 | ≥29％wt |
| 1200 ℃ are heavily burnt 3 hours changes in weight | ≤±1.0％ | Fe 2O 3 | ≤1.5％wt |
| Thermal conductivity (350 ℃) | ≤0.12 | CaO+MgO | ≤1.5％wt |
| Refractoriness (℃) | ≥1580℃ | Overall dimension (mm) | 200×400×600 |
The present invention relatively sees the following form with external like product the key technical indexes:
| Product of the present invention | Japan | Germany | |
| Use temperature (℃) | ≥1200 | ≥1150 | ≥1150 |
| Thermal conductivity (350 ℃) | ≤0.12 | ≤0.136 | ≤0.125 |
| Normal temperature strength (kg) | ≥15 | ≥10 | ≥11 |
Above-mentioned technical indicator testing method is an ordinary method well known to those skilled in the art.
Embodiment
Embodiment 1, ultralight quality guarantee adiabator production method, press column weight amount umber: flyash is selected to be floated 65 parts on pearl, 3 parts of clays, 0.8 part of water glass, 4 parts in wooden sawdust, water and gets material for 5 parts.Loose mixing 20 minutes in sand mill earlier, Forced Mixing 3 times in soil kneader again; Compound adds mould vibration extrusion forming through being incubated, preserving moisture deposit 6 hours; The work in-process that are shaped are dried to moisture 1%wt (weight percent, down together), are warming up to 980 ℃ then in sintering oven, temperature control 3 hours; Progressively be cooled to room temperature, get ultralight quality guarantee adiabator.
Wherein, flyash is selected floats in the pearl iron level less than 2%wt, granularity 0.05mm, Al
2O
3Greater than 29%wt, SiO
2Greater than 65%wt, 600 ℃ of dry for standby; Clay size is less than 250 orders, and iron level is less than 1%; The material that can burnout is sawdust or polyvinyl chloride, and granularity is less than 1mm.
In embodiment 2, the present embodiment, flyash is selected to be floated 75 parts on pearl, 6 parts of clays, 1.2 parts of water glass, 6 parts of polyvinyl chloride, water and gets material for 7 parts, loose mixing 30 minutes in sand mill earlier, Forced Mixing 3 times in soil kneader again; Compound adds mould vibration extrusion forming through being incubated, preserving moisture deposit 6 hours; The work in-process that are shaped are dried to moisture 0.8%wt, progressively are warming up to 1150 ℃ then in sintering oven, temperature control 3 hours; Progressively be cooled to room temperature, get ultralight quality guarantee adiabator.Other are with embodiment 1.
In embodiment 3, the present embodiment, flyash is selected to float each 4 parts of 85 parts on pearl, 9 parts of clays, 1.5 parts of water glass, wooden sawdust and polyvinyl chloride, water is got material for 10 parts, loose mixing 40 minutes in sand mill earlier, Forced Mixing more than 3 times in soil kneader again; Compound adds mould vibration extrusion forming through being incubated, preserving moisture deposit 6 hours; The work in-process that are shaped are dried to moisture and are not more than 1%wt, progressively are warming up to 1300 ℃ then in sintering oven, temperature control 3 hours; Progressively be cooled to room temperature, get ultralight quality guarantee adiabator.Other are with embodiment 1.
Claims (4)
1, Ultralight low-conductive heat-insulation material, it is characterized in that, be not more than the flyash of 0.3g/cm3 selected to float pearl be major ingredient, be that auxiliary materials and mixing is fired and formed that with proportion each raw-material weight umber is: selected 65-85 parts on pearl, 3-9 parts of clays, 0.8-1.5 parts of water glass, 4-8 parts of the materials that can burnout, 5-10 parts in the water of floating of flyash with can burnout material and binding agent.
2, Ultralight low-conductive heat-insulation material as claimed in claim 1 is characterized in that, flyash is selected to float in the pearl iron level less than 2%wt, granularity 0.05mm, Al
2O
3Greater than 29%wt, SiO
2Greater than 65%wt, 600 ℃ of dry for standby; Clay size is less than 250 orders, and iron level is less than 1%; The material that can burnout is sawdust or polyvinyl chloride, and granularity is less than 1mm.
3, the production method of the described Ultralight low-conductive heat-insulation material of claim 1, it is characterized in that, by weight: flyash is selected to be floated 65-85 parts on pearl, 3-9 parts of clays, 0.8-1.5 parts of water glass, 4-8 parts of the materials that can burnout, water and gets material for 5-10 parts, elder generation loose mixing in sand mill, Forced Mixing in soil kneader again; Compound adds mould vibration extrusion forming behind insulation, the deposit of preserving moisture; The work in-process that are shaped are dried to moisture and are not more than 1%wt, are warming up to 980 ℃-1300 ℃ then in sintering oven, temperature control 3 hours; Progressively be cooled to room temperature, get ultralight quality guarantee adiabator.
4, Ultralight low-conductive heat-insulation material production method as claimed in claim 3 is characterized in that, mixing time is no less than 20 minutes in sand mill, and Forced Mixing is more than 3 times in soil kneader, and mixture thermal-insulating, the deposit of preserving moisture are no less than 6 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101283751A CN100494106C (en) | 2006-12-13 | 2006-12-13 | Ultralight low-conductive heat-insulation material and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101283751A CN100494106C (en) | 2006-12-13 | 2006-12-13 | Ultralight low-conductive heat-insulation material and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1970485A CN1970485A (en) | 2007-05-30 |
| CN100494106C true CN100494106C (en) | 2009-06-03 |
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|---|---|---|---|
| CNB2006101283751A Expired - Fee Related CN100494106C (en) | 2006-12-13 | 2006-12-13 | Ultralight low-conductive heat-insulation material and producing method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108752022B (en) * | 2018-06-14 | 2021-09-17 | 郑州远东耐火材料有限公司 | Method for manufacturing heat insulation material for producing fused zirconia alumina bricks |
| CN109160821A (en) * | 2018-09-30 | 2019-01-08 | 焦作市金星耐火材料有限公司 | A kind of ultralight degree insulating fire brick |
| CN110128091A (en) * | 2019-06-05 | 2019-08-16 | 孙华通 | A kind of novel energy-saving environment-friendly mortar and its production method |
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2006
- 2006-12-13 CN CNB2006101283751A patent/CN100494106C/en not_active Expired - Fee Related
Non-Patent Citations (8)
| Title |
|---|
| 利用粉煤灰中德漂珠研究绝热制品. 徐风广.中国非金属矿工业导刊，第4期总第28期. 2002 |
| 利用粉煤灰中德漂珠研究绝热制品. 徐风广.中国非金属矿工业导刊，第4期总第28期. 2002 * |
| 十里泉电厂粉煤灰漂珠开发应用研究. 杨赞中等.非金属矿，第25卷第2期. 2002 |
| 十里泉电厂粉煤灰漂珠开发应用研究. 杨赞中等.非金属矿，第25卷第2期. 2002 * |
| 用粉煤灰漂珠生产轻质耐火材料. 李德周等.粉煤灰综合利用，第4期. 2002 |
| 用粉煤灰漂珠生产轻质耐火材料. 李德周等.粉煤灰综合利用，第4期. 2002 * |
| 粉煤灰中漂珠德物性研究与应用. 徐风广.中国矿业，第11卷第6期. 2002 |
| 粉煤灰中漂珠德物性研究与应用. 徐风广.中国矿业，第11卷第6期. 2002 * |
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| Publication number | Publication date |
|---|---|
| CN1970485A (en) | 2007-05-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Huaxing Glass Co., Ltd. Assignor: Xu Jinqing Contract record no.: 2010440001134 Denomination of invention: Ultralight low-conductive heat-insulation material and producing method thereof Granted publication date: 20090603 License type: Exclusive License Open date: 20070530 Record date: 20100812 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20121213 |