CN104529159A - Super white glass ball and production process thereof - Google Patents
Super white glass ball and production process thereof Download PDFInfo
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- CN104529159A CN104529159A CN201410709193.8A CN201410709193A CN104529159A CN 104529159 A CN104529159 A CN 104529159A CN 201410709193 A CN201410709193 A CN 201410709193A CN 104529159 A CN104529159 A CN 104529159A
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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
- C03C12/00—Powdered glass; Bead compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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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
- 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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- 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
- C03C2203/00—Production processes
- C03C2203/10—Melting processes
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 relates to a glass ball, particularly relates to a super white glass ball and a production process thereof, and belongs to the technical field of glass material. The glass ball comprises the raw materials in parts by weight: 290-320 parts of fine sand, 10-12 parts of aluminum hydroxide, 76-85 parts of sodium carbonate, 5-8 parts of sodium nitrate, 5-15 parts of potassium carbonate, 10-15 parts of barium carbonate, 60-70 parts of calcite, 1.5-2.5 parts of anhydrous sodium sulphate, 3-3.5 parts of sodium fluorosilicate, 4.5-5.5 parts of a clarifying agent, 3-5 parts of borax, 1.5-2.5 parts of zinc oxide, 170-190 parts of broken glass, 1.3-1.8 parts of a selenium powder, and 2.5-3.5 parts of a cobalt-containing pigment named Tiaogu according to the Chinese pronunciation. Air bubbles and stone in the super white glass ball are reduced, the quality of the glass ball is greatly improved, and the super white glass ball has the advantages of high visible light transmittance, high strength and hardness, high gloss, rich refractive index and toughness, relatively low cost, economy, environmental protection, and wide application field.
Description
Technical field
The present invention relates to a kind of glass sphere, be specifically related to a kind of ultra-clear glasses ball and production technique thereof, belong to technical field of glass materials.
Background technology
Developing rapidly in recent years along with China's economy, photoelectric technology and experimental study level are much improved, ultrawhite superhard glass market expanded demand, and the large cost of ultra-clear glasses production difficulty is high, and supply falls short of demand.As everyone knows, the color of white float glass is caused by the ferric oxide in raw material, and iron is in glass with Fe
2+and Fe
3+, Fe
2+glass is made into blue-greenish colour, Fe
3+glass is made into yellow-green colour, Fe
2+fe
3+tens times of tinting strength, the color of glass is by Fe
2+and Fe
3+equilibrium state determine.The iron-holder of current domestic white float glass is at about 0.07-0.20%, and the iron-holder of external white float glass is mostly in 0.05% effect, and therefore domestic float glass presents obvious bluish-green tone, has had a strong impact on the quality of glass.
As Chinese patent application file (publication number: CN 1385386A) discloses a kind of composite decoloring agent and the application method thereof that improve float glass transmittance and whiteness, specifically disclose composite decoloring agent by Sb
2o
3+ CeO
2, Na
2o+SO
3, ZnO, La
2o
3, Nd
2o
3, SiO
2the formations such as+CaO, reach chemistry, physical decolorization double effects, thus reach the object improving glass " whiteness " and visible light transmissivity.Its application method is: the composite decoloring agent adding 0.005-2 weight part in batching by relative 100 parts by weight of glass liquid.
And for example Chinese patent application file (publication number: CN 1962506A) discloses a kind of batch composition manufacturing low air bubble content, high permeability glass, stibnate and the vitriol as optional component is added in glass composition, count by weight percentage, introduce in raw material according to antimonous oxide (Sb
2o
3) the stibnate weight percentage in glass that calculates is no less than 0.05%, with sulphur trioxide (SO
3) vitriol that calculates is no more than 0.8%, the glass that this composition is founded out has lower air bubble content and higher transmittance.
Those skilled in the art are also in the method for the various raising ultra-clear glasses ball visible light transmissivity of research.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of visible light transmissivity high, intensity and the large ultra-clear glasses ball of hardness.
Object of the present invention realizes by following technical proposal: a kind of ultra-clear glasses ball, and the parts by weight of each raw material of described glass sphere are: washed ore 290-320 part, aluminium hydroxide 10-12 part, soda ash 76-85 part, SODIUMNITRATE 5-8 part, salt of wormwood 5-15 part, barium carbonate 10-15 part, calcite 60-70 part, Sodium sulfate anhydrous.min(99) 1.5-2.5 part, Sodium Silicofluoride 3-3.5 part, finings 4.5-5.5 part, borax 3-5 part, zinc oxide 1.5-2.5 part, glass cullet 170-190 part, selenium powder 1.3-1.8 part, adjusts cobalt 2.5-3.5 part.
The quality of glass sphere raw material and chemical composition thereof are the key factors of production high-quality ultra-clear glasses ball, by scientifically compatibility glass sphere raw material, can improve the mechanical property of glass sphere, chemical property, optical property and thermal properties, improve the quality of glass sphere comprehensively.First ultra-clear glasses ball will reduce iron-holder in glass sphere raw material to greatest extent, and the present invention has selected 290-320 part washed ore, and recycles 170-190 part glass cullet, effectively can reduce temperature of fusion, reduce energy consumption, can save material again, reduce the wasting of resources, reduce production cost.With the addition of 3-5 part in ultra-clear glasses ball of the present invention and can strengthen transmission of ultraviolet rays, improve the transparency of glass and the borax of resistance toheat, 1.5-2.5 part, as solubility promoter, can increase the transparency of glass sphere, luminance brightness and tension stress distortion, reduce zinc oxide and 5-15 part of thermal expansivity.And suitably improve aluminium hydroxide, barium carbonate, Sodium sulfate anhydrous.min(99) content, reduce calcite content simultaneously, avoid glass sphere to cause crystallization in production technique, reduce bubble, the calculus in glass sphere.
Also add 3-3.5 part Sodium Silicofluoride in the present invention and coordinate 10-15 part barium carbonate, can by part Fe
2o
3feF is changed into FeO
3volatilization is gone out, or produces colourless Na
3feF
6, thus increase the transparency of glass sphere, obviously increase the lightness of glass sphere.The composition of reasonable compatibility glass sphere of the present invention and content thereof, by the synergy produced between each composition, make glass sphere visible light transmissivity high, and intensity and hardness are large, and cost is lower, and economic environmental protection, Application Areas is wide.
In above-mentioned ultra-clear glasses ball, as preferably, the parts by weight of each raw material of described glass sphere are: washed ore 300 parts, 12 parts, aluminium hydroxide, soda ash 80 parts, SODIUMNITRATE 6 parts, 10 parts, salt of wormwood, barium carbonate 12 parts, 68 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3.2 parts, finings 5 parts, borax 3 parts, 1.5 parts, zinc oxide, glass cullet 180 parts, selenium powder 1.5 parts, adjusts cobalt 3 parts.
In above-mentioned ultra-clear glasses ball, as preferably, the parts by weight of each raw material of described glass sphere are: washed ore 310 parts, 12 parts, aluminium hydroxide, soda ash 80 parts, SODIUMNITRATE 6 parts, 15 parts, salt of wormwood, barium carbonate 14 parts, 68 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3.2 parts, finings 5 parts, borax 4 parts, 2 parts, zinc oxide, glass cullet 180 parts, selenium powder 1.5 parts, adjusts cobalt 3 parts.
In above-mentioned ultra-clear glasses ball, as preferably, the parts by weight of each raw material of described glass sphere are: washed ore 290 parts, 12 parts, aluminium hydroxide, soda ash 85 parts, SODIUMNITRATE 6 parts, 5 parts, salt of wormwood, barium carbonate 10 parts, 70 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3 parts, finings 5 parts, borax 3 parts, 2 parts, zinc oxide, glass cullet 175 parts, selenium powder 1.3 parts, adjusts cobalt 3.5 parts.
In above-mentioned ultra-clear glasses ball, as preferably, described finings be antimony sesquioxide powder and white arsenic in mass ratio 80-95%:5-20% with the use of.The finings that production ultrawhite uses should have clarification and decolorization simultaneously.What wherein performance was best surely belongs to industrial chemicals white arsenic, but white arsenic is highly toxic substance.The present invention is through constantly testing discovery, and adopt high purity sb2o3 powder and white arsenic 80-95%:5-20% is composite in mass ratio when using, the best results obtained, can significantly improve the transparency of glass sphere.
In above-mentioned ultra-clear glasses ball, as preferably, described glass cullet are colourless glass cullet.
Another object of the present invention is to provide a kind of production technique as above-mentioned ultra-clear glasses ball, and described production technique comprises the steps:
S1, batching: take the raw material as above-mentioned ultra-clear glasses ball, drop into mixer by the raw material except glass cullet and make admixtion;
S2, fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 8-10 hour at 1430-1480 DEG C, obtains the glass metal of clarification;
S3, shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
S4, annealing: utilize cooling heat-insulation system to carry out anneal, obtain ultra-clear glasses ball finished product.
In the production technique of above-mentioned ultra-clear glasses ball, as preferably, in step S2, the fuel of glass-melting furnace is Sweet natural gas, adopts mechanical air blast.In the production technique of ultra-clear glasses ball, except raw material is very important, fuel is also very important.In prior art, useful landing oil makes fuel, but containing ash content 0.3% in landing oil, ash content is again containing ferric oxide 10%.Simultaneously because W/O part is excessive, cause oil pressure unstable, short during flame duration, material look always unstable, and the necessary frequent adjustment of discoloring agent, brings very burden to production.Through constantly testing discovery, in the production technique of ultra-clear glasses ball of the present invention, adopting fuelled with natural gas, not only can reduce the pollution to glass metal, can also make material look always more stable.And, when production ultra-clear glasses ball, combustion air volume is reached maximum, make it in strong oxidizing property, avoid the large and defect that reductibility is strong of natural gas/gas furnace atmosphere fluctuation, make material chromatic effect pure stable.If natural air inlet or air quantity hour, in glass-melting furnace, atmosphere fluctuates greatly and easily in reductibility, will make the SO in glass
2, SO
3be reduced to sulfide, then generate iron sulphide and sulphur selenium compound with the iron in raw material and selenium effect again, thus reduce the whiteness of glass sphere.And a part of iron protoxide does not convert Fe to
2o
3, make oxidizing atmosphere in glass-melting furnace not enough.
In the production technique of above-mentioned ultra-clear glasses ball, as preferably, anneal described in step S4 is: first carry out anneal with the annealing cooling rate of 4.5-5.5 DEG C/min, when temperature is down to 680-730 DEG C, be incubated 20-25min at this temperature, then lower the temperature with the annealing cooling rate of 3.5-4.5 DEG C/min, when temperature is down to 350-380 DEG C, naturally cool to room temperature.In the production technique of glass sphere of the present invention, by two stage anneal, and suitably improve anneal temperature, the stress in glass sphere can be eliminated compared with the anneal directly at about 550 DEG C in prior art better.
Compared with prior art, the present invention has following advantage:
1, the composition of reasonable compatibility glass sphere of the present invention and content thereof, by the synergy produced between each composition, make ultra-clear glasses ball visible light transmissivity high, intensity and hardness are large, high gloss, are rich in specific refractory power and toughness, and cost is lower, economic environmental protection, Application Areas is wide.
Choose reasonable temperature of fusion in the production technique of 2, ultra-clear glasses ball of the present invention, controls melting rate at 1.6t/m
2, and pass through intense adjustment and the control of parameter in annealing process, take into account links in glass sphere production process and, to the requirement of glass sphere performance, reduced the bubble in glass sphere and calculus, substantially increase glass sphere quality.
Embodiment
Be below specific embodiments of the invention, technical scheme of the present invention is further described, but the present invention is not limited to these embodiments.
A kind of ultra-clear glasses ball, the parts by weight of each raw material of described glass sphere are: washed ore 290-320 part, aluminium hydroxide 10-12 part, soda ash 76-85 part, SODIUMNITRATE 5-8 part, salt of wormwood 5-15 part, barium carbonate 10-15 part, calcite 60-70 part, Sodium sulfate anhydrous.min(99) 1.5-2.5 part, Sodium Silicofluoride 3-3.5 part, finings 4.5-5.5 part, borax 3-5 part, zinc oxide 1.5-2.5 part, glass cullet 170-190 part, selenium powder 1.3-1.8 part, adjusts cobalt 2.5-3.5 part.
As preferably, the parts by weight of each raw material of described glass sphere are: washed ore 300 parts, 12 parts, aluminium hydroxide, soda ash 80 parts, SODIUMNITRATE 6 parts, 10 parts, salt of wormwood, barium carbonate 12 parts, 68 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3.2 parts, finings 5 parts, borax 3 parts, 1.5 parts, zinc oxide, glass cullet 180 parts, selenium powder 1.5 parts, adjusts cobalt 3 parts.
As preferably, the parts by weight of each raw material of described glass sphere are: washed ore 310 parts, 12 parts, aluminium hydroxide, soda ash 80 parts, SODIUMNITRATE 6 parts, 15 parts, salt of wormwood, barium carbonate 14 parts, 68 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3.2 parts, finings 5 parts, borax 4 parts, 2 parts, zinc oxide, glass cullet 180 parts, selenium powder 1.5 parts, adjusts cobalt 3 parts.
As preferably, the parts by weight of each raw material of described glass sphere are: washed ore 290 parts, 12 parts, aluminium hydroxide, soda ash 85 parts, SODIUMNITRATE 6 parts, 5 parts, salt of wormwood, barium carbonate 10 parts, 70 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3 parts, finings 5 parts, borax 3 parts, 2 parts, zinc oxide, glass cullet 175 parts, selenium powder 1.3 parts, adjusts cobalt 3.5 parts.
As preferably, described finings be antimony sesquioxide powder and white arsenic in mass ratio 80-95%:5-20% with the use of.
As preferably, described glass cullet are colourless glass cullet.
Special instruction, in the present invention, washed ore is pyrite concentrate, is broken by sulfurous iron ore or water mill forms, water mill particle can reach 100 orders with.Namely colourless glass cullet refer to the fragment of flint glass.
Present invention also offers a kind of production technique as above-mentioned ultra-clear glasses ball, described production technique comprises the steps:
S1, batching: take the raw material as above-mentioned ultra-clear glasses ball, drop into mixer by the raw material except glass cullet and make admixtion;
S2, fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 8-10 hour at 1430-1480 DEG C, obtains the glass metal of clarification;
S3, shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
S4, annealing: utilize cooling heat-insulation system to carry out anneal, obtain ultra-clear glasses ball finished product.
As preferably, in step S2, the fuel of glass-melting furnace is Sweet natural gas, adopts mechanical air blast.
As preferably, anneal described in step S4 is: first carry out anneal with the annealing cooling rate of 4.5-5.5 DEG C/min, when temperature is down to 680-730 DEG C, be incubated 20-25min at this temperature, then lower the temperature with the annealing cooling rate of 3.5-4.5 DEG C/min, when temperature is down to 350-380 DEG C, naturally cool to room temperature.
Table 1: the raw material of ultra-clear glasses ball and parts by weight thereof in embodiment 1-4
Embodiment 1
Batching: the raw material taking ultra-clear glasses ball described in table 1 embodiment 1, raw material except glass cullet is dropped into mixer and makes admixtion, wherein, described finings be antimony sesquioxide powder and white arsenic in mass ratio 85%:15% with the use of, glass cullet are colourless glass cullet;
Fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 9 hours at 1450 DEG C, obtain the glass metal of clarification, wherein, the fuel of glass-melting furnace is Sweet natural gas, adopts mechanical air blast;
Shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
Annealing: utilize cooling heat-insulation system to carry out anneal: first to carry out anneal with the annealing cooling rate of 5.2 DEG C/min, when temperature is down to 720 DEG C, be incubated 22min at this temperature, then lower the temperature with the annealing cooling rate of 4.2 DEG C/min, when temperature is down to 360 DEG C, naturally cool to room temperature, obtain ultra-clear glasses ball finished product.The visible light transmissivity of this ultra-clear glasses ball is greater than 96%, and whiteness is less than 0.08, and intensity is greater than 405Mpa, and hardness is greater than 8870Mpa.
Embodiment 2
Batching: the raw material taking ultra-clear glasses ball described in table 1 embodiment 2, raw material except glass cullet is dropped into mixer and makes admixtion, wherein, described finings be antimony sesquioxide powder and white arsenic in mass ratio 90%:10% with the use of, glass cullet are colourless glass cullet;
Fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 9 hours at 1460 DEG C, obtain the glass metal of clarification, wherein, the fuel of glass-melting furnace is Sweet natural gas, adopts mechanical air blast;
Shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
Annealing: utilize cooling heat-insulation system to carry out anneal: first to carry out anneal with the annealing cooling rate of 4.8 DEG C/min, when temperature is down to 700 DEG C, be incubated 24min at this temperature, then lower the temperature with the annealing cooling rate of 3.8 DEG C/min, when temperature is down to 370 DEG C, naturally cool to room temperature, obtain ultra-clear glasses ball finished product.The visible light transmissivity of this ultra-clear glasses ball is greater than 96.3%, and whiteness is less than 0.077, and intensity is greater than 410Mpa, and hardness is greater than 8860Mpa.
Embodiment 3
Batching: the raw material taking ultra-clear glasses ball described in table 1 embodiment 3, raw material except glass cullet is dropped into mixer and makes admixtion, wherein, described finings be antimony sesquioxide powder and white arsenic in mass ratio 95%:5% with the use of, glass cullet are colourless glass cullet;
Fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 8 hours at 1480 DEG C, obtain the glass metal of clarification, wherein, the fuel of glass-melting furnace is Sweet natural gas, adopts mechanical air blast;
Shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
Annealing: utilize cooling heat-insulation system to carry out anneal: first to carry out anneal with the annealing cooling rate of 5.5 DEG C/min, when temperature is down to 730 DEG C, be incubated 20min at this temperature, then lower the temperature with the annealing cooling rate of 4.5 DEG C/min, when temperature is down to 380 DEG C, naturally cool to room temperature, obtain ultra-clear glasses ball finished product.The visible light transmissivity of this ultra-clear glasses ball is greater than 95.2%, and whiteness is less than 0.082, and intensity is greater than 395Mpa, and hardness is greater than 8850Mpa.
Embodiment 4
Batching: the raw material taking ultra-clear glasses ball described in table 1 embodiment 4, raw material except glass cullet is dropped into mixer and makes admixtion, wherein, described finings be antimony sesquioxide powder and white arsenic in mass ratio 80%:20% with the use of, glass cullet are colourless glass cullet;
Fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 10 hours at 1430 DEG C, obtain the glass metal of clarification, wherein, the fuel of glass-melting furnace is Sweet natural gas, adopts mechanical air blast;
Shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
Annealing: utilize cooling heat-insulation system to carry out anneal: first to carry out anneal with the annealing cooling rate of 4.5 DEG C/min, when temperature is down to 680 DEG C, be incubated 25min at this temperature, then lower the temperature with the annealing cooling rate of 3.5 DEG C/min, when temperature is down to 350 DEG C, naturally cool to room temperature, obtain ultra-clear glasses ball finished product.The visible light transmissivity of this ultra-clear glasses ball is greater than 94.8%, and whiteness is less than 0.088, and intensity is greater than 390Mpa, and hardness is greater than 8860Mpa.
In sum, the composition of reasonable compatibility glass sphere of the present invention and content thereof, by the synergy produced between each composition, and by the temperature of fusion in choose reasonable production technique, control melting rate at 1.6t/m
2and the intense adjustment of parameter and control in annealing process, take into account links in glass sphere production process and, to the requirement of glass sphere performance, reduce the bubble in glass sphere and calculus, substantially increase glass sphere quality, make ultra-clear glasses ball visible light transmissivity high, intensity and hardness are large, high gloss, are rich in specific refractory power and toughness, and cost is lower, economic environmental protection, Application Areas is wide.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (9)
1. a ultra-clear glasses ball, is characterized in that, the parts by weight of each raw material of described glass sphere are: washed ore 290-320 part, aluminium hydroxide 10-12 part, soda ash 76-85 part, SODIUMNITRATE 5-8 part, salt of wormwood 5-15 part, barium carbonate 10-15 part, calcite 60-70 part, Sodium sulfate anhydrous.min(99) 1.5-2.5 part, Sodium Silicofluoride 3-3.5 part, finings 4.5-5.5 part, borax 3-5 part, zinc oxide 1.5-2.5 part, glass cullet 170-190 part, selenium powder 1.3-1.8 part, adjusts cobalt 2.5-3.5 part.
2. ultra-clear glasses ball according to claim 1, is characterized in that, the parts by weight of each raw material of described glass sphere are: washed ore 300 parts, 12 parts, aluminium hydroxide, soda ash 80 parts, SODIUMNITRATE 6 parts, 10 parts, salt of wormwood, barium carbonate 12 parts, 68 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3.2 parts, finings 5 parts, borax 3 parts, 1.5 parts, zinc oxide, glass cullet 180 parts, selenium powder 1.5 parts, adjusts cobalt 3 parts.
3. ultra-clear glasses ball according to claim 1, is characterized in that, the parts by weight of each raw material of described glass sphere are: washed ore 310 parts, 12 parts, aluminium hydroxide, soda ash 80 parts, SODIUMNITRATE 6 parts, 15 parts, salt of wormwood, barium carbonate 14 parts, 68 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3.2 parts, finings 5 parts, borax 4 parts, 2 parts, zinc oxide, glass cullet 180 parts, selenium powder 1.5 parts, adjusts cobalt 3 parts.
4. ultra-clear glasses ball according to claim 1, is characterized in that, the parts by weight of each raw material of described glass sphere are: washed ore 290 parts, 12 parts, aluminium hydroxide, soda ash 85 parts, SODIUMNITRATE 6 parts, 5 parts, salt of wormwood, barium carbonate 10 parts, 70 parts, calcite, Sodium sulfate anhydrous.min(99) 2 parts, Sodium Silicofluoride 3 parts, finings 5 parts, borax 3 parts, 2 parts, zinc oxide, glass cullet 175 parts, selenium powder 1.3 parts, adjusts cobalt 3.5 parts.
5. the ultra-clear glasses ball according to claim 1 or 2 or 3 or 4, is characterized in that, described finings be antimony sesquioxide powder and white arsenic in mass ratio 80-95%:5-20% with the use of.
6. the ultra-clear glasses ball according to claim 1 or 2 or 3, is characterized in that, described glass cullet are colourless glass cullet.
7. a production technique for ultra-clear glasses ball as claimed in claim 1, it is characterized in that, described production technique comprises the steps:
S1, batching: the raw material taking ultra-clear glasses ball as claimed in claim 1, drop into mixer by the raw material except glass cullet and make admixtion;
S2, fusing: above-mentioned admixtion is dropped into glass-melting furnace together with glass cullet, melt 8-10 hour at 1430-1480 DEG C, obtains the glass metal of clarification;
S3, shaping: above-mentioned glass metal to be poured in apparatus for making pearl ball and carries out forming process;
S4, annealing: utilize cooling heat-insulation system to carry out anneal, obtain ultra-clear glasses ball finished product.
8. the production technique of ultra-clear glasses ball according to claim 7, it is characterized in that, in step S2, the fuel of glass-melting furnace is Sweet natural gas.
9. the production technique of ultra-clear glasses ball according to claim 7, it is characterized in that, anneal described in step S4 is: first carry out anneal with the annealing cooling rate of 4.5-5.5 DEG C/min, when temperature is down to 680-730 DEG C, be incubated 20-25min at this temperature, then lower the temperature with the annealing cooling rate of 3.5-4.5 DEG C/min, when temperature is down to 350-380 DEG C, naturally cool to room temperature.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007362A (en) * | 2016-03-05 | 2016-10-12 | 深圳市久通锑业化工有限公司 | Low-iron soda-lime silicate ultra-white calendered photovoltaic glass bubble-removing auxiliary agent and glass preparation method |
| CN107382059A (en) * | 2017-08-01 | 2017-11-24 | 合肥利裕泰玻璃制品有限公司 | A kind of glass Mosaic and preparation method thereof |
| CN107759083A (en) * | 2017-11-07 | 2018-03-06 | 太仓经济开发区蕴源吉光工艺美术品工作室 | A kind of high gloss glass-glaze sulfide glass |
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| CN107759083A (en) * | 2017-11-07 | 2018-03-06 | 太仓经济开发区蕴源吉光工艺美术品工作室 | A kind of high gloss glass-glaze sulfide glass |
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