CN102923959A - Anti-static foam glass heat insulation and cold insulation material and preparation method thereof - Google Patents
Anti-static foam glass heat insulation and cold insulation material and preparation method thereof Download PDFInfo
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- CN102923959A CN102923959A CN2012103888294A CN201210388829A CN102923959A CN 102923959 A CN102923959 A CN 102923959A CN 2012103888294 A CN2012103888294 A CN 2012103888294A CN 201210388829 A CN201210388829 A CN 201210388829A CN 102923959 A CN102923959 A CN 102923959A
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Abstract
The invention discloses an anti-static foam glass heat insulation and cold insulation material and a preparation method thereof. The preparation method comprises the steps of: carrying out ultra-refining fusion permo-treatment on a special high-temperature resistant conductive metallurgical powder material and a metal oxide serving as adding materials for realizing phase modification; controlling the combustion atmosphere by using a special process, expanding at a high temperature and sintering for forming; and finally, annealing and cooling to prepare the anti-static foam glass heat insulation and cold insulation material. The anti-static foam glass heat insulation and cold insulation material maintains the advantages of water prevention, heat insulation, cold insulation, water and moisture prevention, good chemical stability, sound insulation, noise reduction and the like of foam glass, and has a permanent conductive (static) and static dissipative function. The use space and the application range of the foam glass material are expanded.
Description
Technical field
The invention belongs to the inorganic functional material field, relate in particular to anti-electrostatic multicellular glass technology.
Background technology
Present technique has wide application space, market in fields such as national defense industry, precise electronic, petrochemical complex, electric power energy, material of construction.Along with the energy-saving and cost-reducing promotion that reaches the circular economy industrial policy of national environmental protection, the type material of this excellent performance of anti-electrostatic cold insulation multicellular glass material will be more widely used in the development and construction of national national economy.Save energy and reduce the cost, reduce waste, protection of the environment, China is realized resource-conserving and environment-friendly society, protection of the environment realizes that the strategy and policy of recycling economy and Sustainable development have very important exemplary role and meaning.
Anti-electrostatic multicellular glass cold insulation material tool permanence antistatic function and the highest material fire resistance rating, anti-most acid, caustic corrosion, the corrosion of organic solvent-resistant, chemical stability is extremely strong.And have and misfire, do not send out the excellent properties such as dirt, sound insulation and noise reduction, in an industry that is essential cold insulation, such as petrochemical complex (light-end products, organic hydrocarbon, liquefied petroleum gas (LPG) and Sweet natural gas), defence and military, (the liquid-solid attitude propelling agent of gunpowder ammunition, spacecraft delivery), precise electronic industry, (extensive CMOS unicircuit, led chip and display screen, LCD, STN, TFT liquid-crystal display) the great market requirement is arranged.These field of employment inflammable-explosives are high, and are high to anti-electrostatic requirement and the fire-protection rating requirement of building materials, belong to the static hazardous area.Invisible electrostatic accumulation is dissipated and decay as can not effectively discharging, and firing of causing will be destructive.
In addition, along with the lifting of national industry industry standard, increasingly strict to the requirement of the aspects such as the fire-protection rating of building materials that commercialization and covil construction use and heat preservation energy-saving.This has opened up wide market and has bred unlimited business opportunity also for anti-electrostatic multicellular glass thermal insulation material promoting the use of of building trade.
Summary of the invention
For the defective that exists in the prior art and technical problem, the invention provides a kind of film glass material with functions such as permanent antistatic, cold insulation, fire prevention are stable.
For solving the problems of the technologies described above, the present invention is by the following technical solutions: a kind of anti-electrostatic multicellular glass cold insulation material, take ordinary plate glass as base, and mix conductive additive and whipping agent, described conductive additive is the mixture of conductive powder and metal oxide powder, by mass percentage, the addition of conductive additive and whipping agent is:
Metal-powder 0.05～1%;
Metal oxide powder 0.05～1%;
Whipping agent 1～4%.
As preferably, described conductive powder is one kind of multiple the mixture of Ni, Al, Cr, Ti, Sb, C or Fe.
As preferably, described metal oxide powder is aluminium sesquioxide or antimonous oxide.
As preferably, described whipping agent is carbon black or sodium sulfate.
Another object of the present invention has provided a kind of above-mentioned anti-electrostatic multicellular glass cold insulation material preparation method, it may further comprise the steps: a, pulverizing, load weighted each component become more meticulous be ground into 50～200 purpose powder, and mix, put into diaphragm capsule, and the control water content is less than 0.03%; B, vacuum preheating are carried out preheating and drying, the anti-oxidation of control temperature with leading portion in the mixed powder propelling heating kiln of above-mentioned acquisition under 450～600 ℃; B, sintered and foamed carries out the sintering oxidation foaming with the mixed powder continuation of above-mentioned acquisition under 600～900 ℃, the time is 20～50min; C, cooling and shaping are cooled to the multicellular glass after the uniform in foaming below 600 ℃, lay down diaphragm capsule; Then d, stress relieving are incubated the multicellular glass annealing that step c obtains to normal temperature by annealing furnace, and this process was finished in 24～48 hours.
As preferably, described conductive powder is one kind of multiple the mixture among Ni, Li, Cr, Ti, Zn or the Fe.
As preferably, described metal oxide powder is aluminium sesquioxide or antimonous oxide.
Beneficial effect: with respect to prior art, the present invention has the following advantages: not only kept fire prevention, cold insulation, waterproof and dampproof, the plurality of advantages such as chemical stability good, sound insulation and noise reduction of multicellular glass, and had permanent leading (quiet) electricity and electrostatic dissipation function.Usage space and the range of application of multicellular glass material have been expanded.Especially be fit to be applied to the liquid state of defence and military firer ammunition and explosive substance, guided missile and space launch vehicles and production, storage and the conveying place of solid-state propelling agent.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
Choose 95% white fused alumina material as the shredder liner, 95% the white fused alumina ball that is equipped with different size carries out respectively the super-refinement crushing grinding with ordinary plate glass, carbon powder, metal powder and whipping agent and becomes 100 purpose powder.Can avoid bringing into the impurity effect quality product owing to white fused alumina hardness is very high.Then take by weighing respectively 0.2% nickel powder and 0.2% aluminium sesquioxide by massfraction, and the ordinary plate glass powder of 1% whipping agent and surplus, after mixing, put into the diaphragm capsule of specific standard size, rectangle diaphragm capsule specification is length less than 800 millimeters, width less than 600 millimeters, thickness less than 200 millimeters, and arc diaphragm capsule specification is length less than 600 millimeters, arc 30-180 degree, thickness less than 200 millimeters.The diaphragm capsule that mixed powder is housed advanced leading portion carries out preheating and drying in the heating kiln under 450～600 ℃, the anti-oxidation of control temperature, in heating kiln, carry out the sintering oxidation foaming under 600～900 ℃ in the stage casing, control temperature and time (20-50 minute) makes uniform in foaming, back segment is cooled to below 600 ℃ in heating kiln, take out from heating kiln, lay down diaphragm capsule; Foam glass product is then dropped into annealing furnace, through 24-48 hour, the annealing of the foam glass product below 600 ℃ is incubated to normal temperature (less than 50 ℃) finishes product.Heating kiln adopts Sweet natural gas bright eruption control combustion atmosphere to be aided with the accurate temperature control of controllability, and the multistage warm area cooperates expanded method of burning till that mixed powder is burnt till anti-electrostatic multicellular glass.
Because the multicellular glass thermal conductivity that has just formed is extremely low, the uneven fracture of stress and collapse the angle very easily when the product internal-external temperature difference is larger.For this reason, we prolong the return of goods time, adopt the nonlinear temperature gradient at 600～50 ℃ of long term annealings, thus the internal stress in the release products.
Embodiment 2
Choose 95% white fused alumina material as the shredder liner, 95% the white fused alumina ball that is equipped with different size carries out respectively the super-refinement crushing grinding with ordinary plate glass, carbon powder, metal powder and whipping agent and becomes 200 purpose powder.Can avoid bringing into the impurity effect quality product owing to white fused alumina hardness is very high.Then take by weighing respectively 0.2% carbon dust and 0.2% antimonous oxide by massfraction, and the ordinary plate glass powder of 1% whipping agent and surplus, after mixing, put into the diaphragm capsule of specific standard size, rectangle diaphragm capsule specification is length less than 800 millimeters, width less than 600 millimeters, thickness less than 200 millimeters, and arc diaphragm capsule specification is length less than 600 millimeters, arc 30-180 degree, thickness less than 200 millimeters.The diaphragm capsule that mixed powder is housed advanced leading portion carries out preheating and drying in the heating kiln under 450～600 ℃, the anti-oxidation of control temperature, in heating kiln, carry out the sintering oxidation foaming under 600～900 ℃ in the stage casing, control temperature and time (20-50 minute) makes uniform in foaming, back segment is cooled to below 600 ℃ in heating kiln, take out from heating kiln, lay down diaphragm capsule; Foam glass product is then dropped into annealing furnace, through 24-48 hour, the annealing of the foam glass product below 600 ℃ is incubated to normal temperature (less than 50 ℃) finishes product.Heating kiln adopts Sweet natural gas bright eruption control combustion atmosphere to be aided with the accurate temperature control of controllability, and the multistage warm area cooperates expanded method of burning till that mixed powder is burnt till anti-electrostatic multicellular glass.
Because the multicellular glass thermal conductivity that has just formed is extremely low, the uneven fracture of stress and collapse the angle very easily when the product internal-external temperature difference is larger.For this reason, we prolong the return of goods time, adopt the nonlinear temperature gradient at 600～50 ℃ of long term annealings, thus the internal stress in the release products.
Embodiment 3
Choose 95% white fused alumina material as the shredder liner, 95% the white fused alumina ball that is equipped with different size carries out respectively the super-refinement crushing grinding with ordinary plate glass, carbon powder, metal powder and whipping agent and becomes 100 purpose powder.Can avoid bringing into the impurity effect quality product owing to white fused alumina hardness is very high.Then take by weighing respectively 0.2% carbon dust and 0.2% titanium valve by massfraction, and the ordinary plate glass powder of 1% whipping agent and surplus, after mixing, put into the diaphragm capsule of specific standard size, rectangle diaphragm capsule specification is length less than 800 millimeters, width less than 600 millimeters, thickness less than 200 millimeters, and arc diaphragm capsule specification is length less than 600 millimeters, arc 30-180 degree, thickness less than 200 millimeters.The diaphragm capsule that mixed powder is housed advanced leading portion carries out preheating and drying in the heating kiln under 450～600 ℃, the anti-oxidation of control temperature, in heating kiln, carry out the sintering oxidation foaming under 600～900 ℃ in the stage casing, control temperature and time (20-50 minute) makes uniform in foaming, back segment is cooled to below 600 ℃ in heating kiln, take out from heating kiln, lay down diaphragm capsule; Foam glass product is then dropped into annealing furnace, through 24-48 hour, the annealing of the foam glass product below 600 ℃ is incubated to normal temperature (less than 50 ℃) finishes product.Heating kiln adopts Sweet natural gas bright eruption control combustion atmosphere to be aided with the accurate temperature control of controllability, and the multistage warm area cooperates expanded method of burning till that mixed powder is burnt till anti-electrostatic multicellular glass.
Because the multicellular glass thermal conductivity that has just formed is extremely low, the uneven fracture of stress and collapse the angle very easily when the product internal-external temperature difference is larger.For this reason, we prolong the return of goods time, adopt the nonlinear temperature gradient at 600～50 ℃ of long term annealings, thus the internal stress in the release products.
Embodiment 4
Choose 95% white fused alumina material as the shredder liner, 95% the white fused alumina ball that is equipped with different size carries out respectively the super-refinement crushing grinding with ordinary plate glass, carbon powder, metal powder and whipping agent and becomes 100 purpose powder.Can avoid bringing into the impurity effect quality product owing to white fused alumina hardness is very high.Then take by weighing respectively 0.2% carbon dust and 0.2% aluminium powder by massfraction, and the ordinary plate glass powder of 1% whipping agent and surplus, after mixing, put into the diaphragm capsule of specific standard size, rectangle diaphragm capsule specification is length less than 800 millimeters, width less than 600 millimeters, thickness less than 200 millimeters, and arc diaphragm capsule specification is length less than 600 millimeters, arc 30-180 degree, thickness less than 200 millimeters.The diaphragm capsule that mixed powder is housed advanced leading portion carries out preheating and drying in the heating kiln under 450～600 ℃, the anti-oxidation of control temperature, in heating kiln, carry out the sintering oxidation foaming under 600～900 ℃ in the stage casing, control temperature and time (20-50 minute) makes uniform in foaming, back segment is cooled to below 600 ℃ in heating kiln, take out from heating kiln, lay down diaphragm capsule; Foam glass product is then dropped into annealing furnace, through 24-48 hour, the annealing of the foam glass product below 600 ℃ is incubated to normal temperature (less than 50 ℃) finishes product.Heating kiln adopts Sweet natural gas bright eruption control combustion atmosphere to be aided with the accurate temperature control of controllability, and the multistage warm area cooperates expanded method of burning till that mixed powder is burnt till anti-electrostatic multicellular glass.
Because the multicellular glass thermal conductivity that has just formed is extremely low, the uneven fracture of stress and collapse the angle very easily when the product internal-external temperature difference is larger.For this reason, we prolong the return of goods time, adopt the nonlinear temperature gradient at 600～50 ℃ of long term annealings, thus the internal stress in the release products.
Embodiment 5
Choose 95% white fused alumina material as the shredder liner, 95% the white fused alumina ball that is equipped with different size carries out respectively the super-refinement crushing grinding with ordinary plate glass, carbon powder, metal powder and whipping agent and becomes 100 purpose powder.Can avoid bringing into the impurity effect quality product owing to white fused alumina hardness is very high.Then take by weighing respectively 0.2% carbon dust and 0.2% chromium powder by massfraction, and the ordinary plate glass powder of 1% whipping agent and surplus, after mixing, put into the diaphragm capsule of specific standard size, rectangle diaphragm capsule specification is length less than 800 millimeters, width less than 600 millimeters, thickness less than 200 millimeters, and arc diaphragm capsule specification is length less than 600 millimeters, arc 30-180 degree, thickness less than 200 millimeters.The diaphragm capsule that mixed powder is housed advanced leading portion carries out preheating and drying in the heating kiln under 450～600 ℃, the anti-oxidation of control temperature, in heating kiln, carry out the sintering oxidation foaming under 600～900 ℃ in the stage casing, control temperature and time (20-50 minute) makes uniform in foaming, back segment is cooled to below 600 ℃ in heating kiln, take out from heating kiln, lay down diaphragm capsule; Foam glass product is then dropped into annealing furnace, through 24-48 hour, the annealing of the foam glass product below 600 ℃ is incubated to normal temperature (less than 50 ℃) finishes product.Heating kiln adopts Sweet natural gas bright eruption control combustion atmosphere to be aided with the accurate temperature control of controllability, and the multistage warm area cooperates expanded method of burning till that mixed powder is burnt till anti-electrostatic multicellular glass.
Because the multicellular glass thermal conductivity that has just formed is extremely low, the uneven fracture of stress and collapse the angle very easily when the product internal-external temperature difference is larger.For this reason, we prolong the return of goods time, adopt the nonlinear temperature gradient at 600～50 ℃ of long term annealings, thus the internal stress in the release products.
The present invention makes to add material with special high temperature resistant conduction metallurgical powder material and metal oxide aborning, carrying out the super-refinement synthesis and ubiquit processes, realize the phase modification, again through special process control combustion atmosphere, the high temperature puffing sinter molding, finally by making after the annealing cooling processing treatment, this product has not only kept fire prevention, cold insulation, waterproof and dampproof, the plurality of advantages such as chemical stability good, sound insulation and noise reduction of multicellular glass, and has permanent leading (quiet) electricity and electrostatic dissipation function.Usage space and the range of application of multicellular glass material have been expanded.Especially be fit to be applied to the liquid state of defence and military firer ammunition and explosive substance, guided missile and space launch vehicles and production, storage and the conveying place of solid-state propelling agent.Both needed cold insulation in petrochemical complex (light-end products, organic hydrocarbon, liquefied petroleum gas (LPG) and Sweet natural gas) etc., need put again fire, the place of anti-electrostatic also has widely application space.Table 1 is the performance test results of the anti-electrostatic glass of embodiment 1～5 preparation.
Table 1
The inner entire body of the static multicellular glass of the present invention's preparation is full of the porous glass material of the even bubble of a large amount of 0.5～3mm, has nonvolatil leading (quiet) electricity and electrostatic dissipation function.Has the highest material fire-protection rating A level.Have low-down thermal conductivity, the cold insulation energy-saving effect is obvious.Can be widely used in the construction that needs anti-electrostatic to need again the inflammable and explosive place of high risk of cold insulation simultaneously.Such as light-end products, liquefied petroleum gas (LPG) and Sweet natural gas, organic hydrocarbon; The construction in the production of the liquid-solid attitude propelling agent of defence and military ammunition, rocket and guided missile, storage, transportation place; The anti-electrostatic purification workshop of electron trade and anti-static heat-insulating energy saving building; The fire-fighting firewall and the heat insulation structure layer of energy-saving heat preserving partition wall and top that also are used for commercialization and covil construction.
Claims (7)
1. anti-electrostatic multicellular glass cold insulation material, it is characterized in that: take ordinary plate glass as base, and mix conductive additive and whipping agent, described conductive additive is the mixture of conductive powder and metal oxide powder, by mass percentage, the addition of conductive additive and whipping agent is:
Metal-powder 0.05～1%;
Metal oxide powder 0.05～1%;
Whipping agent 1～4%.
2. described anti-electrostatic multicellular glass cold insulation material according to claim 1 is characterized in that: described conductive powder is one kind of multiple the mixture of Ni, Al, Cr, Ti, Sb, C or Fe.
3. described anti-electrostatic multicellular glass cold insulation material according to claim 1, it is characterized in that: described metal oxide powder is aluminium sesquioxide or antimonous oxide.
4. described anti-electrostatic multicellular glass cold insulation material according to claim 1, it is characterized in that: described whipping agent is carbon black or sodium sulfate.
5. the described anti-electrostatic multicellular glass of claim 1 cold insulation material preparation method is characterized in that may further comprise the steps:
A, pulverizing, load weighted each component become more meticulous is ground into 50～200 purpose powder, and mixes, and puts into diaphragm capsule, and the control water content is less than 0.03%;
B, vacuum preheating are carried out preheating and drying with leading portion in the mixed powder propelling heating kiln of above-mentioned acquisition under 450～600 ℃;
B, sintered and foamed carries out the sintering oxidation foaming with the mixed powder continuation of above-mentioned acquisition under 600～900 ℃, the time is 20～50min;
C, cooling and shaping are cooled to the multicellular glass after the uniform in foaming below 600 ℃, lay down diaphragm capsule;
Then d, stress relieving are incubated the multicellular glass annealing that step c obtains to normal temperature by annealing furnace, and this process was finished in 24～48 hours.
6. described anti-electrostatic multicellular glass cold insulation material preparation method according to claim 5 is characterized in that: described conductive powder is one kind of multiple the mixture among Ni, Li, Cr, Ti, Zn or the Fe.
7. described anti-electrostatic multicellular glass cold insulation material preparation method according to claim 5, it is characterized in that: described metal oxide powder is aluminium sesquioxide or antimonous oxide.
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| CN2012103888294A CN102923959A (en) | 2012-10-15 | 2012-10-15 | Anti-static foam glass heat insulation and cold insulation material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663986A (en) * | 2013-12-17 | 2014-03-26 | 佛山市中国科学院上海硅酸盐研究所陶瓷研发中心 | Antistatic glass and manufacturing method thereof |
| CN103663983A (en) * | 2013-12-17 | 2014-03-26 | 佛山市粤峤陶瓷技术创新服务中心 | Manufacturing method of anti-static plate glass |
| CN103663984A (en) * | 2013-12-17 | 2014-03-26 | 佛山市粤峤陶瓷技术创新服务中心 | Manufacturing method of anti-static glass mosaic |
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| CN101955319A (en) * | 2010-08-26 | 2011-01-26 | 陕西科技大学 | Method for preparing foamed glass by using waste fiberglass products |
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2012
- 2012-10-15 CN CN2012103888294A patent/CN102923959A/en active Pending
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| CN101955319A (en) * | 2010-08-26 | 2011-01-26 | 陕西科技大学 | Method for preparing foamed glass by using waste fiberglass products |
| CN102516934A (en) * | 2011-11-09 | 2012-06-27 | 天津大学 | Foam glass-based microwave absorbing material added with metal powder |
Non-Patent Citations (1)
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| 张剑波等: ""泡沫玻璃的研究进展"", 《中国资源综合利用》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103663986A (en) * | 2013-12-17 | 2014-03-26 | 佛山市中国科学院上海硅酸盐研究所陶瓷研发中心 | Antistatic glass and manufacturing method thereof |
| CN103663983A (en) * | 2013-12-17 | 2014-03-26 | 佛山市粤峤陶瓷技术创新服务中心 | Manufacturing method of anti-static plate glass |
| CN103663984A (en) * | 2013-12-17 | 2014-03-26 | 佛山市粤峤陶瓷技术创新服务中心 | Manufacturing method of anti-static glass mosaic |
| CN103663983B (en) * | 2013-12-17 | 2016-05-18 | 佛山市粤峤陶瓷技术创新服务中心 | A kind of manufacture method of antistatic plate glass |
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Application publication date: 20130213 |