CN106698955A - preparation method of thermal insulation material - Google Patents
preparation method of thermal insulation material Download PDFInfo
- Publication number
- CN106698955A CN106698955A CN201710007931.8A CN201710007931A CN106698955A CN 106698955 A CN106698955 A CN 106698955A CN 201710007931 A CN201710007931 A CN 201710007931A CN 106698955 A CN106698955 A CN 106698955A
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- China
- Prior art keywords
- parts
- insulation material
- cement
- cement mortar
- preparation
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/08—Other methods of shaping glass by foaming
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/002—Use of waste materials, e.g. slags
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Building Environments (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a preparation method of a thermal insulation material. The preparation method comprises the following steps that 1, pulverized fuel ash is screened by a 200-mesh screen for usage after cement test grinding; 2, glass powder is screened by a 200-mesh screen for usage after cement test grinding; 3, 5-15 parts of pulverized fly ash, 85-95 parts of glass powder, 2-6 parts of sodium carbonate, 2-8 parts of titanium dioxide powder, 2-4 parts of borax and 30-35 parts of water are stirred evenly, and then slurry is obtained; 4, the slurry is put into a cement mortar test mold, then vibration and compaction are performed on a cement mortar jolt ramming table, then the cement mortar is put into an electrothermal blowing dry box, and drying is performed to form a blank; 5, the blank is put into a high-temperature resistance furnace, and sintering is performed to obtain the thermal insulation material.
Description
Technical field
The invention belongs to inorganic material scientific and engineering field, and in particular to a kind of preparation method of insulation material.
Background technology
In recent years, the fire incident that architecture exterior wall insulating materials triggered takes place frequently, and the use of organic insulation material is subject to very big
Limitation.
Flyash, is catching is got off from the flue gas after coal combustion fine ash, and flyash is the main of coal-burning power plant's discharge
Solid waste.The main oxides of power plants flyash are constituted：Silica, aluminum oxide, ferrous oxide, iron oxide,
Calcium oxide, titanium oxide etc..With the development of power industry, the flyash discharge capacity of coal-burning power plant increases year by year, works as China
One of larger industrial residue of preceding discharge capacity.Substantial amounts of flyash is untreated, will produce airborne dust, pollutes air；If entering water
System can cause river to silt up, and toxic chemical substance therein can also cause harm to human body and biology.
The content of the invention
Goal of the invention：The present invention makes improvement for the problem that above-mentioned prior art is present, i.e., the invention discloses one kind
The preparation method of insulation material, it uses glass dust, titanium dioxide, flyash, with sodium carbonate as foaming agent, mixes appropriate auxiliary
Additive is helped, preheated, sintering, foaming, cooling, annealing are formed.Purpose is, by flyash twice laid, fully to improve insulation
The intensity of material, improves thermal and insulating performance, and then improves quality of materials, expands application field, while reduces cost.
Technical scheme：A kind of preparation method of insulation material, including：
(1) it is flyash is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(2) it is glass dust is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(3) flyash that by mass obtains (1) the step of 5~15 parts, 85~95 parts the step of (2) glass for obtaining
Powder, 2~6 parts of sodium carbonate, 2~8 parts of titanium dioxide powders, 2~4 parts of borax, 30~35 parts of water are starched after stirring
Material；
(4) slurry that step (3) is obtained is put into cement mortar tryout, is then shaken on cement mortar plain jolter close
It is real, it is then placed in being dried in electric drying oven with forced convection, form base substrate；
(5) step (4) base substrate is put into high temperature resistance kiln roasting, calcining system is as follows：
Warm-up phase, 360 DEG C are risen to from room temperature with the programming rate of 6/min, are incubated 28min；
Calcination stage, 850~870 DEG C are warming up to the speed of 12/min；
Foaming stages, are incubated 45~50min under 850~870 DEG C of constant temperature；
In the foam stabilizing stage, 600 DEG C are cooled to the speed of 20 DEG C/min；
Annealing stage, closes high temperature resistance furnace, and 25 DEG C are naturally cooling to stove, that is, obtain insulation material.
Beneficial effect：A kind of preparation method of insulation material disclosed by the invention has the advantages that：
1st, intensity is high；
2nd, changing waste into resources recycling is realized, while improving insulation material quality, cost is reduced, it is cost-effective；
3rd, manufacture craft is simple；
4th, it is widely used.Cannot be only used for the heat-insulation and heat-preservation on civil buildings exterior wall and roof, also can be widely used to oil,
The fields such as chemical industry, underground engineering, defence and military, can reach heat-insulated, insulation, cold insulation, the effect of sound-absorbing.
Specific embodiment：
Specific embodiment of the invention is described in detail below.
Specific embodiment 1
A kind of preparation method of insulation material, including：
(1) it is flyash is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(2) it is glass dust is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(3) flyash that by mass obtains (1) the step of 15 parts, 85 parts the step of (2) obtain glass dust, 2 parts
Sodium carbonate, 4 parts of titanium dioxide powders, 2 parts of borax, 30 parts of water obtain slurry after stirring；
(4) slurry that step (3) is obtained is put into cement mortar tryout, is then shaken on cement mortar plain jolter close
It is real, it is then placed in being dried in electric drying oven with forced convection, form base substrate；
(5) step (4) base substrate is put into high temperature resistance kiln roasting, calcining system is as follows：
Warm-up phase, 360 DEG C are risen to from room temperature with the programming rate of 6/min, are incubated 28min；
Calcination stage, 860 DEG C are warming up to the speed of 12/min；
Foaming stages, 45min is incubated under 860 DEG C of constant temperature；
In the foam stabilizing stage, 600 DEG C are cooled to the speed of 20 DEG C/min；
Annealing stage, closes high temperature resistance furnace, and 25 DEG C are naturally cooling to stove, that is, obtain insulation material.
The insulation material obtained using the above method, its performance is：Unit weight 681kg/m3, compression strength 11.2MPa, anti-folding
Intensity 0.77MPa, thermal conductivity factor 0.060W/mK.
Specific embodiment 2
A kind of preparation method of insulation material, including：
(1) it is flyash is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(2) it is glass dust is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(3) flyash that by mass obtains (1) the step of 5 parts, 95 parts the step of (2) obtain glass dust, 6 parts
Sodium carbonate, 8 parts of titanium dioxide powders, 4 parts of borax, 35 parts of water obtain slurry after stirring；
(4) slurry that step (3) is obtained is put into cement mortar tryout, is then shaken on cement mortar plain jolter close
It is real, it is then placed in being dried in electric drying oven with forced convection, form base substrate；
(5) step (4) base substrate is put into high temperature resistance kiln roasting, calcining system is as follows：
Warm-up phase, 360 DEG C are risen to from room temperature with the programming rate of 6/min, are incubated 28min；
Calcination stage, 850 DEG C are warming up to the speed of 12/min；
Foaming stages, 50min is incubated under 850 DEG C of constant temperature；
In the foam stabilizing stage, 600 DEG C are cooled to the speed of 20 DEG C/min；
Annealing stage, closes high temperature resistance furnace, and 25 DEG C are naturally cooling to stove, that is, obtain insulation material.
The insulation material obtained using the above method, its performance is：Unit weight 612kg/m3, compression strength 10.3MPa, anti-folding
Intensity 0.74MPa, thermal conductivity factor 0.057W/mK.
Specific embodiment 3
A kind of preparation method of insulation material, including：
(1) it is flyash is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(2) it is glass dust is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(3) flyash that by mass obtains (1) the step of 10 parts, 90 parts the step of (2) obtain glass dust, 4 parts
Sodium carbonate, part titanium dioxide powder, 3 parts of borax, 33 parts of water obtain slurry after stirring；
(4) slurry that step (3) is obtained is put into cement mortar tryout, is then shaken on cement mortar plain jolter close
It is real, it is then placed in being dried in electric drying oven with forced convection, form base substrate；
(5) step (4) base substrate is put into high temperature resistance kiln roasting, calcining system is as follows：
Warm-up phase, 360 DEG C are risen to from room temperature with the programming rate of 6/min, are incubated 28min；
Calcination stage, 870 DEG C are warming up to the speed of 12/min；
Foaming stages, 47min is incubated under 870 DEG C of constant temperature；
In the foam stabilizing stage, 600 DEG C are cooled to the speed of 20 DEG C/min；
Annealing stage, closes high temperature resistance furnace, and 25 DEG C are naturally cooling to stove, that is, obtain insulation material.
The insulation material obtained using the above method, its performance is：Unit weight 632kg/m3, compression strength 10.8MPa, anti-folding
Intensity 0.83MPa, thermal conductivity factor 0.062W/mK.
Embodiments of the present invention are elaborated above.But the present invention is not limited to above-mentioned implementation method,
In the ken that art those of ordinary skill possesses, can also be done on the premise of present inventive concept is not departed from
Go out various change.
Claims (1)
1. a kind of preparation method of insulation material, it is characterised in that including：
(1) it is flyash is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(2) it is glass dust is standby after crossing 200 eye mesh screens after cement testing grinds grinding；
(3) flyash that by mass obtains (1) the step of 5~15 parts, 85~95 parts the step of (2) glass dust, 2 for obtaining
~6 parts of sodium carbonate, 2~8 parts of titanium dioxide powders, 2~4 parts of borax, 30~35 parts of water obtain slurry after stirring；
(4) slurry that step (3) is obtained is put into cement mortar tryout, then shaken on cement mortar plain jolter it is closely knit,
It is then placed in being dried in electric drying oven with forced convection, forms base substrate；
(5) step (4) base substrate is put into high temperature resistance kiln roasting, calcining system is as follows：
Warm-up phase, 360 DEG C are risen to from room temperature with the programming rate of 6/min, are incubated 28min；
Calcination stage, 850~870 DEG C are warming up to the speed of 12/min；
Foaming stages, are incubated 45~50min under 850~870 DEG C of constant temperature；
In the foam stabilizing stage, 600 DEG C are cooled to the speed of 20 DEG C/min；
Annealing stage, closes high temperature resistance furnace, and 25 DEG C are naturally cooling to stove, that is, obtain insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007931.8A CN106698955A (en) | 2017-01-05 | 2017-01-05 | preparation method of thermal insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710007931.8A CN106698955A (en) | 2017-01-05 | 2017-01-05 | preparation method of thermal insulation material |
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| CN106698955A true CN106698955A (en) | 2017-05-24 |
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| CN201710007931.8A Pending CN106698955A (en) | 2017-01-05 | 2017-01-05 | preparation method of thermal insulation material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266026A (en) * | 2017-06-06 | 2017-10-20 | 合肥广能新材料科技有限公司 | A kind of preparation method of calcium silicates fire-retardant heat-insulation material |
| CN107324769A (en) * | 2017-06-06 | 2017-11-07 | 合肥广能新材料科技有限公司 | A kind of preparation method of inorganic fireproofing insulation material |
| RU2697981C1 (en) * | 2018-12-05 | 2019-08-21 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | Method of producing foamed glass |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381842A (en) * | 2010-08-31 | 2012-03-21 | 张露露 | Pulverized fuel ash foam glass and preparation method thereof |
| CN102531398A (en) * | 2012-01-18 | 2012-07-04 | 刘福战 | Method for preparing fly ash foam glass |
| CN104612356A (en) * | 2014-12-30 | 2015-05-13 | 北京璞晶科技有限公司 | Inorganic heat preserving decorating building plate |
| CN106219991A (en) * | 2016-07-29 | 2016-12-14 | 石河子大学 | A kind of basalt fibre strengthens the preparation method of foam glass |
-
2017
- 2017-01-05 CN CN201710007931.8A patent/CN106698955A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102381842A (en) * | 2010-08-31 | 2012-03-21 | 张露露 | Pulverized fuel ash foam glass and preparation method thereof |
| CN102531398A (en) * | 2012-01-18 | 2012-07-04 | 刘福战 | Method for preparing fly ash foam glass |
| CN104612356A (en) * | 2014-12-30 | 2015-05-13 | 北京璞晶科技有限公司 | Inorganic heat preserving decorating building plate |
| CN106219991A (en) * | 2016-07-29 | 2016-12-14 | 石河子大学 | A kind of basalt fibre strengthens the preparation method of foam glass |
Non-Patent Citations (1)
| Title |
|---|
| 宋强: "粉煤灰泡沫玻璃的制备及性能优化", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107266026A (en) * | 2017-06-06 | 2017-10-20 | 合肥广能新材料科技有限公司 | A kind of preparation method of calcium silicates fire-retardant heat-insulation material |
| CN107324769A (en) * | 2017-06-06 | 2017-11-07 | 合肥广能新材料科技有限公司 | A kind of preparation method of inorganic fireproofing insulation material |
| RU2697981C1 (en) * | 2018-12-05 | 2019-08-21 | федеральное государственное бюджетное образовательное учреждение высшего образования "Белгородский государственный технологический университет им. В.Г. Шухова" | Method of producing foamed glass |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |