CN106316140B - A kind of preparation method of high intensity electrical engineering deadener - Google Patents
A kind of preparation method of high intensity electrical engineering deadener Download PDFInfo
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- CN106316140B CN106316140B CN201610636178.4A CN201610636178A CN106316140B CN 106316140 B CN106316140 B CN 106316140B CN 201610636178 A CN201610636178 A CN 201610636178A CN 106316140 B CN106316140 B CN 106316140B
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- deadener
- molten aluminum
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- electrical engineering
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Classifications
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- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/002—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of fibres, filaments, yarns, felts or woven material
-
- 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
-
- 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
- C03C14/00—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
- C03C14/004—Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of particles or flakes
Abstract
The present invention relates to a kind of preparation methods of high-intensitive electrical engineering deadener, belong to deadener preparation technical field.The present invention utilizes scrap glass, flyash, it is ground after the material mixings such as mullite fiber, it obtains mixed-powder and vibratory compaction after tap water mixing is added, dry green body, green body is put into resistance furnace and is warming up to different temperatures heat preservation, it foams to obtain foam glass in blowing temperature, molten aluminum is obtained after again dissolving by heating fine aluminium and magnesium, molten aluminum is poured into foam glass, full of foam glass aperture, in mold after being put into preheating after casting, it is put into vacuum foam in vacuum tank, high-intensitive electrical engineering deadener can be obtained, the present invention foams molten aluminum in glass foam, obtained deadener has very high intensity, sound wave is elongated in the bend channel that material internal passes through, the increased friction generated with foam cell walls, collide refraction, reflection is often, energy loss is big, it eliminates the noise, sound absorbing performance is good.
Description
Technical field
The present invention relates to a kind of preparation methods of high-intensitive electrical engineering deadener, belong to deadener technology of preparing neck
Domain.
Background technique
Cellular glass is a kind of novel construction material, belongs to the application material that nation-building cause Eleventh Five-Year Plan is widelyd popularize
Material.Due to it is small with density, thermal coefficient is small, anti-chemical corrosivity, not by ant mouse infringement, insulation, waterproof and dampproof, anti-
A series of superior functions such as fire, sound absorption are used as and protect in chemical industry, petrochemical industry, light industry, refrigeration, heating conveying, building, environment protection field
The preferred engineering material of warm cold insulation, sound absorption.But it since cellular glass intensity itself is lower, is not only carrying, is processing, work progress
In it is easily broken, it is often more important that be not able to satisfy the intensity requirement of high building wall body load-bearing material, military project packing.
Polyurethane foam plastics in organic foam material for sound absorption has excellent sound absorbing performance, but there are materials
The problems such as aging and poor fire protecting performance, can still be burned even flame retarded polyurethane-foam plastics, and have under molten drop object
It falls, this material does not meet building fire protection requirement.Metal acoustic foams, such as aluminum foam acoustic board, intensity is high, non-ignitable, anti-
It is water, moisture-proof, there is preferable sound absorbing performance, but the problems such as there are corrosion of metal and higher prices.Froth inorganic stock, such as Bamda
Foam sound absorbing board is a kind of foamed cement product, although having preferable sound absorbing performance, that there are plates is too heavy, easily absorbs water,
The problems such as to make sound absorbing performance be greatly reduced and decorative difference.Foam glass have it is light, non-ignitable, will not aging, freeze proof, resistance to
Hot, water-fast, durable, material property is stablized, and can produce multiple color product, the characteristics such as good decorating effect.Especially suitable for anti-
Fire requires to use under the environmental condition of high and extreme humidity, but its sound absorbing performance absorbs sound far away from polyurethane foam plastics and glass
Plate, therefore, improve the sound absorbing performance of foam glass to its in engineering using most important.
Summary of the invention
The technical problems to be solved by the invention: it is lower for foam glass intensity itself, in carrying, processing, constructed
Easily broken drawback in journey provides a kind of preparation method of high-intensitive electrical engineering deadener, and the present invention utilizes discarded
Ground after the material mixings such as glass, flyash, mullite fiber, obtain mixed-powder be added tap water mixing after vibratory compaction,
Green body is put into resistance furnace and is warming up to different temperatures heat preservation by dry green body, is foamed to obtain foam glass in blowing temperature, then will be pure
Aluminium and magnesium obtain molten aluminum after dissolving by heating, and molten aluminum is poured into foam glass, are full of foam glass aperture, preheating is put into after casting
In mold afterwards, it is put into vacuum foam in vacuum tank, high-intensitive electrical engineering deadener can be obtained, the present invention exists molten aluminum
It foaming in glass foam, obtained deadener has very high intensity, and sound wave is elongated in the bend channel that material internal passes through,
The increased friction generated with foam cell walls, often, energy loss is big for the refraction that collides, reflection, eliminates the noise, sound absorbing performance
It is good.
In order to solve the above technical problems, the present invention is using technical solution as described below:
(1) according to parts by weight, respectively choose 50~60 parts of scrap glasses, 10~15 parts of flyash, 1~3 part of graphite,
0.2~0.4 part of silicon carbide, 0.8~1.2 part of tertiary sodium phosphate, 5~8 parts of waterglass, 0.5~0.8 part of magnesium carbonate, 4~6 parts not come
Mineral wool is put into 1~2h of ball milling in ball mill, crosses 160~180 meshes after ball milling and obtain mixed-powder after being uniformly mixed；
(2) 12~15% tap water of mixed-powder quality will be added while stirring in above-mentioned mixed-powder, is uniformly mixed
It is fitted into mold afterwards, is placed on 6~10min of vibration on concrete vibrating stand, is put into baking oven after vibratory compaction at 120~140 DEG C
Under the conditions of dry 5~6h, it is dry after green body；
(3) above-mentioned green body is put into resistance furnace, is first warming up to 380~450 DEG C with 5~7 DEG C/min rate, heat preservation 20~
680~780 DEG C are warming up to 10~12 DEG C/min rate again after 25min, immediately with the heating of 15~18 DEG C/min rate after heating
To 850~880 DEG C, and 40~60min of thermal insulation foaming, 500~550 DEG C are cooled to 18~20 DEG C/min after foaming, is protected
Foam glass can be obtained in 20~25min of temperature, cooled to room temperature after heat preservation；
(4) it weighs 5~10g fine aluminium and 0.2~0.4g magnesium is encased in crucible, and be put into burnt gas reverberatory furnace, be heated to
710~720 DEG C make solid melt to obtain molten aluminum, and 0.05 is added into molten aluminum after being stirred 4~6min with 1000~2000r/min
~0.10g titantium hydride, liquid castable to be prepared to above-mentioned after 2000~3000r/min revolving speed insulated and stirred, 5~7min
Foam glass in, so that liquid is trickled naturally full of aperture；
(5) mold puts the filled foam glass of above-mentioned molten aluminum after preheating first in 650~700 DEG C of 15~20min of preheating
Enter in mold, then mold is put into vacuum tank, being evacuated to vacuum degree is that 3~10Pa carries out 1~3min of foaming, and foaming terminates
It is cooled to room temperature in vacuum tank in 6~8min afterwards, high-intensitive electrical engineering deadener can be obtained.
Application method of the invention: the high-intensitive electrical engineering deadener that the present invention is prepared can be prepared into thickness
It for 20~40mm soundproof plate, may be mounted in electrical engineering workshop, the deadener porosity is 85~92%, apparent porosity
It is 50~65%, density is respectively 250~265kg/m3, compression strength is 4~6MPa, and frequency of sound wave is 100~200Hz, sound absorption
Coefficient is 0.04~0.06, and frequency of sound wave is 200Hz or more, and acoustic absorptivity is 0.04 or more.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention foams molten aluminum in glass foam, and obtained deadener has very high intensity, material property
Stablize, compression strength is 4~6MPa；
(2) the deadener water resistance that the present invention is prepared is good, stands rain-out, or even impregnate in water
Influence intensity will not be softened, be able to maintain original shape；
(3) the bend channel that sound wave passes through inside the deadener that the present invention is prepared is elongated, produces with foam cell walls
Raw increased friction, often, energy loss is big for the refraction that collides, reflection, and noise elimination, sound absorbing performance are good.
Specific embodiment
According to parts by weight, respectively choose 50~60 parts of scrap glasses, 10~15 parts of flyash, 1~3 part of graphite, 0.2~
0.4 part of silicon carbide, 0.8~1.2 part of tertiary sodium phosphate, 5~8 parts of waterglass, 0.5~0.8 part of magnesium carbonate, 4~6 parts of mullite fibres
Dimension is put into 1~2h of ball milling in ball mill, crosses 160~180 meshes after ball milling and obtain mixed-powder after being uniformly mixed；It will be above-mentioned
12~15% tap water of mixed-powder quality is added in mixed-powder while stirring, is fitted into mold, is placed on after being uniformly mixed
6~10min is vibrated on concrete vibrating stand, and dry 5~6h under the conditions of 120~140 DEG C is put into baking oven after vibratory compaction, is done
Green body is obtained after dry；Above-mentioned green body is put into resistance furnace, is first warming up to 380~450 DEG C with 5~7 DEG C/min rate, heat preservation 20~
680~780 DEG C are warming up to 10~12 DEG C/min rate again after 25min, immediately with the heating of 15~18 DEG C/min rate after heating
To 850~880 DEG C, and 40~60min of thermal insulation foaming, 500~550 DEG C are cooled to 18~20 DEG C/min after foaming, is protected
Foam glass can be obtained in 20~25min of temperature, cooled to room temperature after heat preservation；Weigh 5~10g fine aluminium and 0.2~0.4g magnesium
It is encased in crucible, and is put into burnt gas reverberatory furnace, being heated to 710~720 DEG C makes solid melt to obtain molten aluminum, with 1000~
2000r/min is stirred after 4~6min addition 0.05~0.10g titantium hydride into molten aluminum, with 2000~3000r/min revolving speed
After 5~7min of insulated and stirred by liquid castable into the above-mentioned foam glass being prepared, liquid is made to be trickled naturally full of aperture；
The filled foam glass of above-mentioned molten aluminum is put into mold after preheating by mold first in 650~700 DEG C of 15~20min of preheating, then
Mold is put into vacuum tank, being evacuated to vacuum degree is that 3~10Pa carries out 1~3min of foaming, in vacuum tank after foaming
In be cooled to room temperature in 6~8min, high-intensitive electrical engineering deadener can be obtained.
Example 1
According to parts by weight, 50 parts of scrap glasses, 10 parts of flyash, 1 part of graphite, 0.2 part of silicon carbide, 0.8 are chosen respectively
Part tertiary sodium phosphate, 5 parts of waterglass, 0.5 part of magnesium carbonate, 4 parts of mullite fibers, are put into ball milling in ball mill after being uniformly mixed
1h crosses 160 meshes after ball milling and obtains mixed-powder；Mixed-powder quality 12% will be added while stirring originally in above-mentioned mixed-powder
Water, is fitted into mold after being uniformly mixed, is placed on concrete vibrating stand and vibrates 6min, is put into baking oven after vibratory compaction
Dry 5h under the conditions of 120 DEG C, obtains green body after dry；Above-mentioned green body is put into resistance furnace, is first warming up to 5 DEG C/min rate
380 DEG C, 680 DEG C are warming up to 10 DEG C/min rate again after keeping the temperature 20min, is warming up to immediately with 15 DEG C/min rate after heating
850 DEG C, and thermal insulation foaming 40min, 500 DEG C are cooled to 18 DEG C/min after foaming, keeps the temperature 20min, it is naturally cold after heat preservation
But to room temperature, foam glass can be obtained；It weighs 5g fine aluminium and 0.2g magnesium is encased in crucible, and be put into burnt gas reverberatory furnace,
Being heated to 710 DEG C makes solid melt to obtain molten aluminum, is stirred after 4min the addition 0.05g titantium hydride into molten aluminum with 1000r/min,
With after 2000r/min revolving speed insulated and stirred 5min by liquid castable into the above-mentioned foam glass being prepared, keep liquid natural
Trickling is full of aperture；The filled foam glass of above-mentioned molten aluminum is put into mold after preheating first in 650 DEG C of preheating 15min by mold
In, then mold is put into vacuum tank, being evacuated to vacuum degree is that 3Pa carries out foaming 1min, after foaming in vacuum tank
It is cooled to room temperature in 6min, high-intensitive electrical engineering deadener can be obtained.
The high-intensitive electrical engineering deadener that the present invention is prepared can be prepared into a thickness of 20mm soundproof plate, can be with
It is mounted in electrical engineering workshop, the deadener porosity is 85%, and apparent porosity 50%, density is respectively 250kg/m3,
Compression strength is 4MPa, frequency of sound wave 100Hz, acoustic absorptivity 0.04, frequency of sound wave 300Hz, acoustic absorptivity 0.04.
Example 2
According to parts by weight, 55 parts of scrap glasses, 13 parts of flyash, 2 parts of graphite, 0.3 part of silicon carbide, 1.0 are chosen respectively
Part tertiary sodium phosphate, 7 parts of waterglass, 0.6 part of magnesium carbonate, 5 parts of mullite fibers, are put into ball milling in ball mill after being uniformly mixed
1.5h crosses 170 meshes after ball milling and obtains mixed-powder；Mixed-powder quality 14% will be added while stirring in above-mentioned mixed-powder certainly
Water is fitted into mold after being uniformly mixed, is placed on concrete vibrating stand and vibrates 8min, is put into baking oven after vibratory compaction
Dry 5.5h under the conditions of 130 DEG C, obtains green body after dry；Above-mentioned green body is put into resistance furnace, first with the heating of 6 DEG C/min rate
To 420 DEG C, 720 DEG C are warming up to 11 DEG C/min rate again after keeping the temperature 23min, is warming up to immediately with 16 DEG C/min rate after heating
865 DEG C, and thermal insulation foaming 50min, 525 DEG C are cooled to 19 DEG C/min after foaming, keeps the temperature 23min, it is naturally cold after heat preservation
But to room temperature, foam glass can be obtained；It weighs 7.5g fine aluminium and 0.3g magnesium is encased in crucible, and be put into burnt gas reverberatory furnace
In, being heated to 715 DEG C makes solid melt to obtain molten aluminum, is stirred after 5min with 1500r/min and 0.08g hydrogenation is added into molten aluminum
Titanium, with after 2500r/min revolving speed insulated and stirred 6min by liquid castable into the above-mentioned foam glass being prepared, make liquid from
So trickling is full of aperture；The filled foam glass of above-mentioned molten aluminum is put into mould after preheating first in 675 DEG C of preheating 17min by mold
In tool, then mold is put into vacuum tank, being evacuated to vacuum degree is that 6Pa carries out foaming 2min, in vacuum tank after foaming
In be cooled to room temperature in 7min, high-intensitive electrical engineering deadener can be obtained.
The high-intensitive electrical engineering deadener that the present invention is prepared can be prepared into a thickness of 30mm soundproof plate, can be with
It is mounted in electrical engineering workshop, the deadener porosity is 90%, and apparent porosity 60%, density is respectively 260kg/m3,
Compression strength is 5MPa, frequency of sound wave 150Hz, acoustic absorptivity 0.05, frequency of sound wave 400Hz, and acoustic absorptivity is
0.045。
Example 3
According to parts by weight, 60 parts of scrap glasses, 15 parts of flyash, 3 parts of graphite, 0.4 part of silicon carbide, 1.2 are chosen respectively
Part tertiary sodium phosphate, 8 parts of waterglass, 0.8 part of magnesium carbonate, 6 parts of mullite fibers, are put into ball milling in ball mill after being uniformly mixed
2h crosses 180 meshes after ball milling and obtains mixed-powder；Mixed-powder quality 15% will be added while stirring originally in above-mentioned mixed-powder
Water is fitted into mold after being uniformly mixed, is placed on concrete vibrating stand and vibrates 10min, is put into baking oven after vibratory compaction
Dry 6h under the conditions of 140 DEG C, obtains green body after dry；Above-mentioned green body is put into resistance furnace, is first warming up to 7 DEG C/min rate
450 DEG C, 780 DEG C are warming up to 12 DEG C/min rate again after keeping the temperature 25min, is warming up to immediately with 18 DEG C/min rate after heating
880 DEG C, and thermal insulation foaming 60min, 550 DEG C are cooled to 20 DEG C/min after foaming, keeps the temperature 25min, it is naturally cold after heat preservation
But to room temperature, foam glass can be obtained；It weighs 10g fine aluminium and 0.4g magnesium is encased in crucible, and be put into burnt gas reverberatory furnace,
Being heated to 720 DEG C makes solid melt to obtain molten aluminum, is stirred after 6min the addition 0.10g titantium hydride into molten aluminum with 2000r/min,
With after 3000r/min revolving speed insulated and stirred 7min by liquid castable into the above-mentioned foam glass being prepared, keep liquid natural
Trickling is full of aperture；The filled foam glass of above-mentioned molten aluminum is put into mold after preheating first in 700 DEG C of preheating 20min by mold
In, then mold is put into vacuum tank, being evacuated to vacuum degree is that 10Pa carries out foaming 3min, after foaming in vacuum tank
It is cooled to room temperature in 8min, high-intensitive electrical engineering deadener can be obtained.
The high-intensitive electrical engineering deadener that the present invention is prepared can be prepared into a thickness of 40mm soundproof plate, can be with
It is mounted in electrical engineering workshop, the deadener porosity is 92%, and apparent porosity 65%, density is respectively 265kg/m3,
Compression strength is 6MPa, frequency of sound wave 200Hz, acoustic absorptivity 0.06, frequency of sound wave 500Hz, acoustic absorptivity 0.05.
Claims (1)
1. a kind of preparation method of high intensity electrical engineering deadener, it is characterised in that specific preparation step are as follows:
(1) according to parts by weight, respectively choose 50~60 parts of scrap glasses, 10~15 parts of flyash, 1~3 part of graphite, 0.2~
0.4 part of silicon carbide, 0.8~1.2 part of tertiary sodium phosphate, 5~8 parts of waterglass, 0.5~0.8 part of magnesium carbonate, 4~6 parts of mullite fibres
Dimension is put into 1~2h of ball milling in ball mill, crosses 160~180 meshes after ball milling and obtain mixed-powder after being uniformly mixed；
(2) 12~15% tap water of mixed-powder quality will be added while stirring in above-mentioned mixed-powder, is filled after being uniformly mixed
Enter in mold, is placed on 6~10min of vibration on concrete vibrating stand, is put into baking oven after vibratory compaction in 120~140 DEG C of conditions
5~6h of lower drying obtains green body after dry；
(3) above-mentioned green body is put into resistance furnace, is first warming up to 380~450 DEG C with 5~7 DEG C/min rate, heat preservation 20~
680~780 DEG C are warming up to 10~12 DEG C/min rate again after 25min, immediately with the heating of 15~18 DEG C/min rate after heating
To 850~880 DEG C, and 40~60min of thermal insulation foaming, 500~550 DEG C are cooled to 18~20 DEG C/min after foaming, is protected
Foam glass can be obtained in 20~25min of temperature, cooled to room temperature after heat preservation；
(4) it weighs 5~10g fine aluminium and 0.2~0.4g magnesium is encased in crucible, and be put into burnt gas reverberatory furnace, it is heated to 710~
720 DEG C make solid melt to obtain molten aluminum, and 0.05 is added into molten aluminum after being stirred 4~6min with 1000~2000r/min revolving speed
~0.10g titantium hydride, liquid castable to be prepared to above-mentioned after 2000~3000r/min revolving speed insulated and stirred, 5~7min
Foam glass in, so that liquid is trickled naturally full of aperture；
(5) the filled foam glass of above-mentioned molten aluminum is put into mould after preheating first in 650~700 DEG C of 15~20min of preheating by mold
In tool, then mold is put into vacuum tank, being evacuated to vacuum degree is that 3~10Pa carries out 1~3min of foaming, after foaming
It is cooled to room temperature in vacuum tank in 6~8min, high-intensitive electrical engineering deadener can be obtained.
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| CN1792504A (en) * | 2005-12-26 | 2006-06-28 | 中国科学院长春应用化学研究所 | Process for preparing composite material of high magnesium aluminium alloy-expanding ore |
| CN101240383A (en) * | 2007-10-16 | 2008-08-13 | 中国科学院长春应用化学研究所 | Method for preparing porous magnesium-expansion perlite composition material |
| CN101880128A (en) * | 2010-07-02 | 2010-11-10 | 陕西科技大学 | Method for preparing lightweight high-strength foam glass |
| CN101948962A (en) * | 2010-09-19 | 2011-01-19 | 昆明理工大学 | Vacuum foaming method for preparing foamed aluminum/aluminum alloy |
| CN103880289A (en) * | 2013-06-25 | 2014-06-25 | 浙江奥强环保科技有限公司 | Multifunctional environment-friendly foam glass product and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4268558A (en) * | 1977-07-01 | 1981-05-19 | Boardman Energy Systems, Inc. | Thermal storage material and process for making |
| CN1792504A (en) * | 2005-12-26 | 2006-06-28 | 中国科学院长春应用化学研究所 | Process for preparing composite material of high magnesium aluminium alloy-expanding ore |
| CN101240383A (en) * | 2007-10-16 | 2008-08-13 | 中国科学院长春应用化学研究所 | Method for preparing porous magnesium-expansion perlite composition material |
| CN101880128A (en) * | 2010-07-02 | 2010-11-10 | 陕西科技大学 | Method for preparing lightweight high-strength foam glass |
| CN101948962A (en) * | 2010-09-19 | 2011-01-19 | 昆明理工大学 | Vacuum foaming method for preparing foamed aluminum/aluminum alloy |
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Effective date of registration: 20181121 Address after: 318010 No. 12, Qiaonan Village, Xiachen Street, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Xu Lin Address before: 213164 C 416, Tianhong science and technology building, 801 Changwu Middle Road, Changzhou, Jiangsu. Applicant before: Lei Chunsheng |
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Effective date of registration: 20191126 Address after: 314423 Qihui Road, Haining Comprehensive Agricultural Development Zone, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Huayuan Textile Co., Ltd. Address before: Jiaojiang District of Taizhou city streets of Chen bridge village 318010 Zhejiang province No. 12 Patentee before: Xu Lin |