CN102701744B - Preparation method for feeding nozzle for high-purity quartz continuous smelting furnace and continuous smelting furnace - Google Patents
Preparation method for feeding nozzle for high-purity quartz continuous smelting furnace and continuous smelting furnace Download PDFInfo
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- CN102701744B CN102701744B CN2012101888571A CN201210188857A CN102701744B CN 102701744 B CN102701744 B CN 102701744B CN 2012101888571 A CN2012101888571 A CN 2012101888571A CN 201210188857 A CN201210188857 A CN 201210188857A CN 102701744 B CN102701744 B CN 102701744B
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- purity quartz
- smelting furnace
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention discloses a preparation method for a feeding nozzle for a high-purity quartz continuous smelting furnace and the continuous smelting furnace. The high-purity quartz continuous smelting furnace is characterized by consisting of a cooling water jacket furnace shell 1, a carbon fiber insulation material 2, a ceramic liner seat 3, a graphite heater 4, a ceramic liner 5, the feeding nozzle 6, a furnace body upper cover 7, an upper cooling cavity 8, a furnace hearth 9, a lower cooling cavity 10 and a furnace body lower cover 11, wherein the cooling water jacket furnace shell is a cooling water jacket, the feeding nozzle for the high-purity quartz continuous smelting furnace is made of a material compounded by reactive sintering aluminum nitride and hafnium boride, the using temperature is 1,600 to 2,200, and the atmosphere is an argon atmosphere. The prepared feeding nozzle for the high-purity quartz continuous smelting furnace and the continuous smelting furnace have the characteristics of uniform microstructure, high intensity and whole reliability, strong oxidation resistance, and high production efficiency, do not pollute high-purity quartz melt, and can be used at the temperature of 2,200 DEG C for a long time, and continuous production can be realized.
Description
Technical field
The present invention relates to a kind of high purity quartz continuous fusion stove with mouth and the continuous fusion stove of feeding intake, belong to the structural ceramics preparing technical field.
Background technology
Present quartzy melting adopts tubular intermittent type melting furnace to found, and its shortcoming is that energy consumption yields poorly greatly, and due to make near barrel and heating element fused quartz found bad or foreign matter content higher, need manually selection, production efficiency and quality are all lower.
Summary of the invention
The object of the present invention is to provide a kind of preparation method that can overcome defects, realize high purity quartz continuous fusion stove and the mouth that feeds intake.Its technical scheme is:
High purity quartz continuous fusion stove is comprised of watercooling jacket furnace shell 1, carbon fiber heat insulation material 2, ceramic liner seat 3, graphite heater 4, ceramic liner 5, the mouth 6 that feeds intake, furnace upper cover 7, upper cooling chamber 8, burner hearth 9, lower cooling chamber 10, body of heater lower cover 11, wherein, the watercooling jacket furnace shell adopts watercooling jacket, ceramic liner and the mouth that feeds intake all adopt hafnium boride or zirconium boride 99.5004323A8ure matrix material, use temperature is 1600 ~ 2200 ℃, and atmosphere is argon gas atmosphere.
high purity quartz continuous fusion stove is made in conjunction with zirconium boride 99.5004323A8ure by silica aluminium nitrogen with the mouth that feeds intake, its profile is the right cylinder that high 50 ~ 100mm diameter is 50 ~ 200mm, inner chamber is the cylinder funnel-form, cylinder funnel upper diameter is 45 ~ 180mm, height is 20 ~ 50mm, cylinder funnel lower diameter is 5 ~ 10mm, wherein, high purity quartz continuous fusion stove with the composition of the mouth that feeds intake is: zirconium diboride 78 ~ 95%, silica aluminium nitrogen wedding agent is 5 ~ 22%, its silica aluminium nitrogen wedding agent consist of silicon nitride 80 ~ 95%, aluminium sesquioxide 2 ~ 8%, aluminium nitride 3 ~ 12%, after said components is evenly mixed, isostatic pressing becomes high purity quartz continuous fusion stove with the mouth base substrate that feeds intake, nitrogen atmosphere burns till and made in 2 ~ 3 hours at the temperature of 1600 ~ 1800 ℃.
[0005]The present invention compared with prior art, its advantage is:
1, the present invention produces high purity quartz continuous fusion stove with the mouth uniform microstructure that feeds intake, and intensity is high, and global reliability is high;
2, this high purity quartz continuous fusion stove can stand the erosion of quartzy melt with the mouth that feeds intake under oxidizing atmosphere, keeps the high purity quartz melt not contaminated;
3, the method adopts continuous fusion, and the continuous fusion furnace structure is simple, and is easy to operate, and the fused quartz purity of producing is evenly high, need not artificial selection, and production efficiency is greatly improved.
Description of drawings
Fig. 1 is high purity quartz continuous fusion furnace structure schematic diagram, wherein, feed intake cooling chamber on mouth, 7 furnace upper covers, 8,9 burner hearths, 10 times cooling chambers, 11 body of heater lower covers of 1 watercooling jacket furnace shell, 2 carbon fiber heat insulation materials, 3 ceramic liner seats, 4 graphite heaters, 5 ceramic liners, 6
Fig. 2 is the structural representation that high purity quartz continuous fusion stove is used the mouth embodiment that feeds intake.
Embodiment
In the embodiment shown in Fig. 1-2, high purity quartz continuous fusion stove first covers tightly furnace upper cover 7 and body of heater lower cover 11 in use, with high purity quartz continuous fusion stove evacuation, be filled with argon gas after upper cooling chamber 8, burner hearth 9 and lower cooling chamber 10 evacuation of air, air pressure is slightly larger than 1 normal atmosphere, upper cooling chamber 8, burner hearth 9 and lower cooling chamber 10 all have argon gas inflation inlet separately, guarantee that in use not having air enters.Switch on power after qi of chong channel ascending adversely finishes to the burner hearth heating, open simultaneously furnace upper cover 7 and add continuously appropriate high purity quartz by the mouth 6 that feeds intake, open body of heater lower cover 11 when temperature reaches 1650 ℃, prepare the high purity quartz molten mass and flow out.
be 5% with granularity for zirconium diboride powder 95% and silica aluminium nitrogen wedding agent less than 2 μ m, wherein silica aluminium nitrogen wedding agent consists of silicon nitride 80%, aluminium sesquioxide 8%, aluminium nitride 12%, after said components is evenly mixed, being 50% phenol resin solution with ethanol content mixes with the ratio of 100:10, dry and make 100 μ m and make granulation powder at the temperature of 80 ℃, be that under the pressure of 150Mpa., isostatic pressing and pressurize were pressed into high purity quartz continuous fusion stove in 30 minutes with the mouth biscuit that feeds intake at pressure, then to burn till at 1800 ℃ * 2 hours and make wall thickness be 5mm in the demoulding, the top cylinder outside diameter is 200mm, height is 500mm, bottom cylinder outside diameter is 30mm, high high purity quartz continuous fusion stove for 50mm is with the mouth that feeds intake.
The purity of testing proportion material used is technical pure.
be 13% with granularity for zirconium diboride powder 87% and silica aluminium nitrogen wedding agent less than 2 μ m, wherein silica aluminium nitrogen wedding agent consists of silicon nitride 88%, aluminium sesquioxide 5%, aluminium nitride 7%, after said components is evenly mixed, being 50% phenol resin solution with ethanol content mixes with the ratio of 100:10, dry and make 200 μ m and make granulation powder at the temperature of 80 ℃, be that under the pressure of 150Mpa., isostatic pressing and pressurize were pressed into high purity quartz continuous fusion stove in 30 minutes with the mouth biscuit that feeds intake at pressure, then to burn till at 1700 ℃ * 2.5 hours and make wall thickness be 15mm in the demoulding, the top cylinder outside diameter is 150mm, height is 300mm, bottom cylinder outside diameter is 25mm, high high purity quartz continuous fusion stove for 40mm is with the mouth that feeds intake.
The purity of testing proportion material used is technical pure.
be 20% with granularity for zirconium diboride powder 80% and silica aluminium nitrogen wedding agent less than 2 μ m, wherein silica aluminium nitrogen wedding agent consists of silicon nitride 95%, aluminium sesquioxide 2%, aluminium nitride 3%, after said components is evenly mixed, being 50% phenol resin solution with ethanol content mixes with the ratio of 100:10, dry and make 300 μ m and make granulation powder at the temperature of 80 ℃, be that under the pressure of 150Mpa., isostatic pressing and pressurize were pressed into high purity quartz continuous fusion stove in 30 minutes with the mouth biscuit that feeds intake at pressure, then to burn till at 1600 ℃ * 3 hours and make wall thickness be 20mm in the demoulding, the top cylinder outside diameter is 50mm, height is 50mm, bottom cylinder outside diameter is 22mm, high high purity quartz continuous fusion stove for 30mm is with the mouth that feeds intake.
The purity of testing proportion material used is technical pure.
Claims (1)
1. a high purity quartz continuous fusion stove is with the preparation method of the mouth that feeds intake, it is characterized in that, high purity quartz continuous fusion stove is by watercooling jacket furnace shell (1), carbon fiber heat insulation material (2), ceramic liner seat (3), graphite heater (4), ceramic liner (5), mouth (6) feeds intake, furnace upper cover (7), upper cooling chamber (8), burner hearth (9), lower cooling chamber (10), body of heater lower cover (11) forms, use temperature is 1600 ~ 2200 ℃, atmosphere is argon gas atmosphere, wherein, the watercooling jacket furnace shell adopts watercooling jacket, ceramic liner adopts hafnium boride or zirconium boride 99.5004323A8ure matrix material, high purity quartz continuous fusion stove is made in conjunction with zirconium boride 99.5004323A8ure by silica aluminium nitrogen with the mouth (6) that feeds intake, its profile is the right cylinder that high 50 ~ 100mm diameter is 50 ~ 200mm, inner chamber is the cylinder funnel-form, cylinder funnel upper diameter is 45 ~ 180mm, height is 20 ~ 50mm, cylinder funnel lower diameter is 5 ~ 10mm, high purity quartz continuous fusion stove with the composition of the mouth (6) that feeds intake is: zirconium diboride 78 ~ 95%, its silica aluminium nitrogen wedding agent is 5 ~ 22%, silica aluminium nitrogen wedding agent consist of silicon nitride 80 ~ 95%, aluminium sesquioxide 2 ~ 8%, aluminium nitride 3 ~ 12%, after said components is evenly mixed, isostatic pressing becomes high purity quartz continuous fusion stove with the mouth that feeds intake (6), nitrogen atmosphere burns till and made in 2 ~ 3 hours at the temperature of 1600 ~ 1800 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101888571A CN102701744B (en) | 2012-06-11 | 2012-06-11 | Preparation method for feeding nozzle for high-purity quartz continuous smelting furnace and continuous smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101888571A CN102701744B (en) | 2012-06-11 | 2012-06-11 | Preparation method for feeding nozzle for high-purity quartz continuous smelting furnace and continuous smelting furnace |
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| Publication Number | Publication Date |
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| CN102701744A CN102701744A (en) | 2012-10-03 |
| CN102701744B true CN102701744B (en) | 2013-06-26 |
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| CN2012101888571A Expired - Fee Related CN102701744B (en) | 2012-06-11 | 2012-06-11 | Preparation method for feeding nozzle for high-purity quartz continuous smelting furnace and continuous smelting furnace |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101788225A (en) * | 2010-03-06 | 2010-07-28 | 洛阳市西格马仪器制造有限公司 | Ultrahigh temperature heating furnace |
| CN201883025U (en) * | 2010-11-10 | 2011-06-29 | 单军成 | Continuous quartz smelting furnace |
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