CN105776846B - A kind of brown glass fining agent and preparation method thereof - Google Patents
A kind of brown glass fining agent and preparation method thereof Download PDFInfo
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- CN105776846B CN105776846B CN201610191874.9A CN201610191874A CN105776846B CN 105776846 B CN105776846 B CN 105776846B CN 201610191874 A CN201610191874 A CN 201610191874A CN 105776846 B CN105776846 B CN 105776846B
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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
Abstract
The present invention relates to a kind of brown glass fining agents, further relate to a kind of preparation method of above-mentioned brown glass fining agent.The brown glass fining agent of the present invention includes each component of following parts by weight：8 10 parts of Nacl, 24 26 parts of gypsum, 26 30 parts of anhydrous sodium sulphate, 44 56 parts of calcite, the grain size of the Nacl is 300 400 mesh, and the grain size of gypsum is 200 300 mesh, and the grain size of anhydrous sodium sulphate is 200 300 mesh, and the grain size of calcite is 200 300 mesh.It is an advantage of the invention that it is not only environmental-friendly, but also the bubble in melten glass liquid can be effectively eliminated.
Description
Technical field
Technical field of producing more particularly to a kind of brown glass fining agent the invention belongs to glass, further relate to one
The preparation method of the above-mentioned brown glass fining agent of kind.
Background technology
Brown glass is a kind of functional glass for absorbing ultraviolet light, infrared ray, and brown glass generally using carbon-sulfur coloring, is matched
It closes material and more difficulty is clarified in fusion process.Glass releases a large amount of gas in melting process, this is because glass raw material
In various mineral (such as feldspar), metal salt (such as barium carbonate), oxide (such as SiO2) the chemical reaction institute such as decompose, is melt and dissolved
The reaction product of releasing.They are the inevitable outcomes in Improving Glass Manufacturing Processes, while are free in except glass structures again
Extra reaction product, referred to as formation of gaseous inclusions, commonly referred to as " bubble ".The presence of these bubbles, can be to final glass
Manufactured goods generate fatal influence.
In Improving Glass Manufacturing Processes, the decomposition of silicate is at about 800 DEG C -1000 DEG C, and glass still end is formed at this time, is generated
All kinds of formation of gaseous inclusions flue is fully entered to discharge by the interface void of each solid phase.With temperature be increased to 1200 DEG C-
1300 DEG C, the various material surfaces for forming glass are initially formed the larger high viscosity liquid phase substance of layer of surface tension, this time-division
All kinds of formation of gaseous inclusions solved are possible to closing and form bubble in the melt, these bubbles only have point for working as it in the melt
When pressing sufficiently large, be possible to overcome the resistance of bath surface and escape.Temperature continues to be increased to 1300 DEG C -1450 DEG C, glass
Raw material all melts, and a small amount of oxygen occurs in the part of silica silicon oxygen bond fracture in quartz sand, and amount of oxygen is less, it is impossible to
Air pocket is formed, bubble inner pressure is smaller, and buoyancy is small, it is impossible to it is automatically drained out, a large amount of small bubbles of glass glass melt package, this
When, gas -- the interfacial tension of liquid two-phase is in a kind of relative balance state, without the interference and destruction of external force, vitreum in glass
The bubble of middle package is just remained in glass metal always.By being added to the substance of the 1300-1430 DEG C of substance decomposed or vaporization,
Minute bubbles is made to become air pocket, improve the internal pressure of bubble and the buoyancy of bubble, make the process that bubble is discharged in glass metal as clear
Clear process.
Glass fining agent is auxiliary material important in glass production, and major function is the glass in glass melting process
Glass fining agent generates gas by pyrolytic (or gasification) or reduces viscosity of glass metal, promotes the elimination of bubble in glass metal.
Conventionally, for glass production enterprise to the use of glass fining agent generally using scene addition, kind includes oxide
A kind of or combination in fining agent, sulfide fining agent, arsenic oxide arsenoxide fining agent or halide fining agent.Arsenic oxide arsenoxide is in addition to causing
Except glass product quality of colour is unstable, a maximum harm also resides in the use of arsenic.Because the white arsenic that tradition uses
(arsenic oxide arsenoxide, also known as arsenic) is a kind of good glass fining agent, and the advantage for having effect good, at low cost becomes glass production
The first choice of producer.But the currently known arsenic of people is a kind of extremely toxic substance, taking orally 0.06 gram can be lethal.Long Term Contact white arsenic can
Cause slow poisoning symptom, the organs, also carcinogenesis such as the nervous system and kidney of major determinant people, liver, heart.Use white arsenic
As glass fining agent, the high industrial waste into present treatment, serious threat operator's health and pollution environment can be not only generated,
And when glass product service life exhausts, processing correlation therewith is also led to the problem of, foreign countries have been banned from use white arsenic
Make the fining agent of glass.
Invention content
An object of the present invention is to overcome deficiency of the prior art, provides a kind of brown glass fining agent, not only ring
Border is friendly, and can effectively eliminate the bubble in melten glass liquid.
In order to solve the above-mentioned technical problem, the present invention uses following technical scheme：
A kind of brown glass fining agent includes each component of following parts by weight：8-10 parts of Nacl, 24-26 parts of gypsum,
26-30 parts of anhydrous sodium sulphate, 44-56 parts of calcite, the grain size of the Nacl is 300-400 mesh, and the grain size of gypsum is 200-300
Mesh, the grain size of anhydrous sodium sulphate is 200-300 mesh, and the grain size of calcite is 200-300 mesh.
Further, the brown glass fining agent includes each component of following parts by weight：9 parts of Nacl, gypsum 25
Part, 28 parts of anhydrous sodium sulphate, 50 parts of calcite.
It is a further object of the present invention to provide a kind of preparation method of above-mentioned brown glass fining agent, brown glass clarifications
The preparation method of agent includes the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, Nacl is crushed to grain size is
300-400 mesh, gypsum are crushed to grain size as 200-300 mesh, and anhydrous sodium sulphate is crushed to grain size as 200-300 mesh, and calcite in powder is broken to
Grain size is 200-300 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 20-30min；
(4) 10-20min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C,
240 DEG C are cooled to 20 DEG C of speed per minute；
(5) 2-2.5 times of 4 DEG C of the purified water that weight is industrial salt quality is added in into 240 DEG C of mixture, and fully
Stir 30min, cool down, be crushed to grain size for 200-300 mesh to get object.
The present invention makees raw material using Nacl, gypsum, anhydrous sodium sulphate and calcite, first by Nacl, gypsum, anhydrous sodium sulphate and side
Solution mountain flour is broken to different grain sizes, then Nacl is melted, and gypsum, anhydrous sodium sulphate and calcite powder are added to the molten of Nacl
Melt in liquid, gypsum, anhydrous sodium sulphate and calcite powder can be distributed in the molten liquid of Nacl well so that Nacl,
Gypsum, anhydrous sodium sulphate and calcite can give full play to its clarifying effect, and clarifying effect has obtained significantly improving.In addition, in palm fibre
In the clarifying process of color glass, release carbon dioxide can be decomposed since calcite is heated, the carbon dioxide of release can enter
In the bubble of glass metal, the partial pressure in bubble is reduced, is allowed to continue to absorb gas, bubble volume is promoted to increase, in acceleration
It rises, therefore can achieve the purpose that glass clarifying and homogenizing.In addition, Nacl, gypsum, anhydrous sodium sulphate and calcite hot mixt
Middle 4 DEG C of purified water for adding in certain content, the operating procedure of quenching change molecular structure, are conducive to play Nacl, stone
Synergistic effect between cream, anhydrous sodium sulphate and calcite so that the clarifying effect of brown glass fining agent of the invention is more preferable, so as to
Improve the quality of prepared glass.
In addition to this, brown glass fining agent of the invention does not contain the high toxic materials such as arsenic, antimony, environmentally friendly, right
Human body is nontoxic.
It should be noted that step (5) needs careful operation to prevent water steam from scalding.
Further, the brown glass fining agent further includes zeolite powder, magnetic iron oxide and Ludox, the zeolite powder
Weight ratio with gypsum is 1：4-1：6, the additive amount of the magnetic iron oxide is identical with the additive amount of Nacl, and the silicon is molten
Half of the additive amount of glue for the additive amount of Nacl.Preferably, the weight ratio of the zeolite powder and gypsum is 1：5.It is described
The grain size of zeolite powder is 100-150 mesh, and the grain size of the magnetic iron oxide is 200-300 mesh.The system of the brown glass fining agent
Preparation Method includes the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, Nacl is crushed to grain size is
300-400 mesh, gypsum are crushed to grain size as 200-300 mesh, and anhydrous sodium sulphate is crushed to grain size as 200-300 mesh, and calcite in powder is broken to
Grain size is 200-300 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 20-30min；
(4) 10-20min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C,
240 DEG C are cooled to 20 DEG C of speed per minute；
(5) 2-2.5 times of 4 DEG C of the purified water that weight is industrial salt quality is added in into 240 DEG C of mixture, and fully
30min is stirred, cools down, be crushed to grain size as 200-300 mesh；
(6) zeolite powder and magnetic iron oxide are distinguished into grinding and sieving, zeolite is crushed to grain size as 100-150 mesh, it will
Magnetic iron oxide is crushed to grain size as 200-300 mesh；
(7) zeolite powder and magnetic iron oxide for weighing Ludox according to proportioning and crushing；
(8) load weighted zeolite powder and magnetic iron oxide are uniformly mixed, by zeolite powder and the mixture of magnetic iron oxide
1450-1540 DEG C is heated to, after being kept for 10-20 minutes, cools down, be crushed to grain size as 300-400 mesh, and molten with load weighted silicon
Crushed material obtained by glue, step (5) is uniformly mixed to get object.
The mixture of zeolite powder and magnetic iron oxide is heated to 1450-1540 DEG C, after being kept for 10-20 minutes, cooling, powder
Grain size is broken to as 300-400 mesh, and with the grain size obtained by Ludox and step (5) be the Nacl of 200-300 mesh, gypsum,
Anhydrous sodium sulphate, calcite mixture after mixing, have further played the synergistic effect of each ingredient, greatly increase clear
Clear effect, due to the mixture grain size of zeolite powder and magnetic iron oxide be 300-400 mesh, Nacl, stone obtained by step (5)
Cream, anhydrous sodium sulphate, calcite mixture grain size are 200-300 mesh, and grain size is different, and specific surface area is also different, different specific surface areas
It is poor to produce sinking speed, it is made to generate echelon clarifying effect in isothermal melt, therefore clarifying effect has obtained significantly carrying
Height, so as to improve the quality of prepared glass.
The application method of the brown glass fining agent of the present invention is as follows：By the brown glass fining agent of the present invention according to 0.7-
0.9% mass percent is added in glass batch, is mixed in input cell furnace through batch mixer, glass liquid heating arrives
1430-1600 DEG C of fusing.
Compared with prior art, the beneficial effects of the invention are as follows：(1) present invention uses Nacl, gypsum, anhydrous sodium sulphate and side
Masonry raw material is solved, Nacl, gypsum, anhydrous sodium sulphate and calcite in powder are first broken to different grain sizes, then Nacl is melted, by stone
Cream, anhydrous sodium sulphate and calcite powder are added in the molten liquid of Nacl, can be well by gypsum, anhydrous sodium sulphate and calcite in powder
End is distributed in the molten liquid of Nacl so that Nacl, gypsum, anhydrous sodium sulphate and calcite can give full play to its clarification effect
Fruit, clarifying effect have obtained significantly improving.(2) it in the clarifying process of brown glass, can be decomposed since calcite is heated
Discharge carbon dioxide, the carbon dioxide of release can enter in the bubble of glass metal, reduce the partial pressure in bubble, be allowed to after
It is continuous to absorb gas, bubble volume is promoted to increase, is accelerated, therefore can achieve the purpose that glass clarifying and homogenizing.(3) it is industrial
Salt, gypsum, anhydrous sodium sulphate and calcite hot mixt in add in 4 DEG C of purified water of certain content, the operating procedure of quenching changes
Molecular structure is become, has been conducive to play the synergistic effect between Nacl, gypsum, anhydrous sodium sulphate and calcite so that of the invention
The clarifying effect of brown glass fining agent is more preferable, so as to improve the quality of prepared glass.(4) brown glass of the invention is clear
Clear agent does not contain the high toxic materials such as arsenic, antimony, environmentally friendly, non-toxic to humans.
Specific embodiment
Following embodiment facilitates a better understanding of the present invention, but does not limit the present invention.Experiment in following embodiments
Method is conventional method unless otherwise specified.
Embodiment 1
A kind of brown glass fining agent includes each component of following parts by weight：9 parts of Nacl, 25 parts of gypsum, anhydrous sodium sulphate
28 parts, 50 parts of calcite, the grain size of the Nacl is 300 mesh, and the grain size of gypsum is 300 mesh, and the grain size of anhydrous sodium sulphate is 300
Mesh, the grain size of calcite is 300 mesh.
The preparation method of above-mentioned brown glass fining agent includes the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, it is 300 that Nacl is crushed to grain size
Mesh, gypsum are crushed to grain size as 300 mesh, and anhydrous sodium sulphate is crushed to grain size as 300 mesh, and calcite in powder is broken to grain size as 300 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 30min；
(4) 20min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C, with 20
DEG C speed per minute is cooled to 240 DEG C；
(5) weight is added in into 240 DEG C of mixture and is 2.5 times of 4 DEG C of purified water of industrial salt quality, and is fully stirred
Mix 30min, cool down, be crushed to grain size for 200 mesh to get object.
The application method of above-mentioned brown glass fining agent is：By the brown glass fining agent of the present embodiment according to 0.7%
Mass percent is added in glass batch, is mixed in input cell furnace through batch mixer, glass liquid heating is molten to 1575 DEG C
Change.
Embodiment 2
A kind of brown glass fining agent includes each component of following parts by weight：8 parts of Nacl, 24 parts of gypsum, anhydrous sodium sulphate
26 parts, 44 parts of calcite, the grain size of the Nacl is 400 mesh, and the grain size of gypsum is 200 mesh, and the grain size of anhydrous sodium sulphate is 200
Mesh, the grain size of calcite is 200 mesh, and the brown glass fining agent further includes zeolite powder, magnetic iron oxide and Ludox, described
The weight ratio of zeolite powder and gypsum is 1：6, the additive amount of the magnetic iron oxide is identical with the additive amount of Nacl, the silicon
Half of the additive amount of colloidal sol for the additive amount of Nacl, the grain size of the zeolite powder are 100 mesh, the grain of the magnetic iron oxide
Diameter is 200 mesh.
The preparation method of above-mentioned brown glass fining agent includes the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, it is 400 that Nacl is crushed to grain size
Mesh, gypsum are crushed to grain size as 200 mesh, and anhydrous sodium sulphate is crushed to grain size as 200 mesh, and calcite in powder is broken to grain size as 200 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 20min；
(4) 15min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C, with 20
DEG C speed per minute is cooled to 240 DEG C；
(5) weight is added in into 240 DEG C of mixture and is 2 times of 4 DEG C of purified water of industrial salt quality, and is sufficiently stirred
30min is cooled down, is crushed to grain size as 300 mesh；
(6) zeolite powder and magnetic iron oxide are distinguished into grinding and sieving, zeolite is crushed to grain size as 100 mesh, it will be magnetic
Brown iron oxide is broken to grain size as 200 mesh；
(7) zeolite powder and magnetic iron oxide for weighing Ludox according to proportioning and crushing；
(8) load weighted zeolite powder and magnetic iron oxide are uniformly mixed, by zeolite powder and the mixture of magnetic iron oxide
Be heated to 1450-1540 DEG C, keep after ten minutes, cooling down, being crushed to grain size as 400 mesh, and with load weighted Ludox, step
(5) crushed material obtained by is uniformly mixed to get object.
The application method of above-mentioned brown glass fining agent is：By the brown glass fining agent of the present embodiment according to 0.8%
Mass percent is added in glass batch, is mixed in input cell furnace through batch mixer, glass liquid heating is molten to 1565 DEG C
Change.
Embodiment 3
A kind of brown glass fining agent includes each component of following parts by weight：10 parts of Nacl, 26 parts of gypsum, member are bright
30 parts of powder, 56 parts of calcite, the grain size of the Nacl is 400 mesh, and the grain size of gypsum is 200 mesh, and the grain size of anhydrous sodium sulphate is 200
Mesh, the grain size of calcite is 200 mesh, and the brown glass fining agent further includes zeolite powder, magnetic iron oxide and Ludox, described
The weight ratio of zeolite powder and gypsum is 1：5, the additive amount of the magnetic iron oxide is identical with the additive amount of Nacl, the silicon
Half of the additive amount of colloidal sol for the additive amount of Nacl, the grain size of the zeolite powder are 150 mesh, the grain of the magnetic iron oxide
Diameter is 300 mesh.
The preparation method of above-mentioned brown glass fining agent includes the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, it is 400 that Nacl is crushed to grain size
Mesh, gypsum are crushed to grain size as 200 mesh, and anhydrous sodium sulphate is crushed to grain size as 200 mesh, and calcite in powder is broken to grain size as 200 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 25min；
(4) 10min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C, with 20
DEG C speed per minute is cooled to 240 DEG C；
(5) weight is added in into 240 DEG C of mixture and is 2.5 times of 4 DEG C of purified water of industrial salt quality, and is fully stirred
30min is mixed, cools down, be crushed to grain size as 200 mesh；
(6) zeolite powder and magnetic iron oxide are distinguished into grinding and sieving, zeolite is crushed to grain size as 150 mesh, it will be magnetic
Brown iron oxide is broken to grain size as 300 mesh；
(7) zeolite powder and magnetic iron oxide for weighing Ludox according to proportioning and crushing；
(8) load weighted zeolite powder and magnetic iron oxide are uniformly mixed, by zeolite powder and the mixture of magnetic iron oxide
Be heated to 1450-1540 DEG C, after being kept for 15 minutes, cool down, be crushed to grain size as 400 mesh, and with load weighted Ludox, step
(5) crushed material obtained by is uniformly mixed to get object.
The application method of above-mentioned brown glass fining agent is：By the brown glass fining agent of the present embodiment according to 0.9 ‰
Mass percent is added in glass batch, is mixed in input cell furnace through batch mixer, glass liquid heating is molten to 1430 DEG C
Change.
Embodiment 4
A kind of brown glass fining agent includes each component of following parts by weight：9 parts of Nacl, 25 parts of gypsum, anhydrous sodium sulphate
28 parts, 50 parts of calcite, the grain size of the Nacl is 350 mesh, and the grain size of gypsum is 200 mesh, and the grain size of anhydrous sodium sulphate is 300
Mesh, the grain size of calcite is 200 mesh, and the brown glass fining agent further includes zeolite powder, magnetic iron oxide and Ludox, described
The weight ratio of zeolite powder and gypsum is 1：4, the additive amount of the magnetic iron oxide is identical with the additive amount of Nacl, the silicon
Half of the additive amount of colloidal sol for the additive amount of Nacl, the grain size of the zeolite powder are 100 mesh, the grain of the magnetic iron oxide
Diameter is 200 mesh.
The preparation method of above-mentioned brown glass fining agent includes the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, it is 350 that Nacl is crushed to grain size
Mesh, gypsum are crushed to grain size as 200 mesh, and anhydrous sodium sulphate is crushed to grain size as 300 mesh, and calcite in powder is broken to grain size as 200 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 30min；
(4) 15min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C, with 20
DEG C speed per minute is cooled to 240 DEG C；
(5) weight is added in into 240 DEG C of mixture and is 2 times of 4 DEG C of purified water of industrial salt quality, and is sufficiently stirred
30min is cooled down, is crushed to grain size as 200 mesh；
(6) zeolite powder and magnetic iron oxide are distinguished into grinding and sieving, zeolite is crushed to grain size as 100 mesh, it will be magnetic
Brown iron oxide is broken to grain size as 200 mesh；
(7) zeolite powder and magnetic iron oxide for weighing Ludox according to proportioning and crushing；
(8) load weighted zeolite powder and magnetic iron oxide are uniformly mixed, by zeolite powder and the mixture of magnetic iron oxide
Be heated to 1450-1540 DEG C, keep after twenty minutes, cooling down, being crushed to grain size as 300 mesh, and with load weighted Ludox, step
(5) crushed material obtained by is uniformly mixed to get object.
The application method of above-mentioned brown glass fining agent is：By the brown glass fining agent of the present embodiment according to 0.7%
Mass percent is added in glass batch, is mixed in input cell furnace through batch mixer, glass liquid heating is molten to 1590 DEG C
Change.
The experimental results showed that the brown glass obtained by using the brown glass fining agent of 1- of embodiment of the present invention embodiments 4
Glass air blister defect is few, and the bubble in every square meter brown glass more than 0.02mm is no more than 2, is obtained through 8-10h chemical temperings
Glass surface stress reaches 530-560Mpa, and tempering depth is up to 39 μm or more.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvement can also be made, these improvement should be regarded as the guarantor of the present invention
Protect range.
Claims (3)
1. a kind of brown glass fining agent, it is characterised in that：Include each component of following parts by weight：8-10 parts of Nacl, stone
24-26 parts of cream, 26-30 parts of anhydrous sodium sulphate, 44-56 parts of calcite, the grain size of the Nacl are 300-400 mesh, the grain size of gypsum
For 200-300 mesh, the grain size of anhydrous sodium sulphate is 200-300 mesh, and the grain size of calcite is 200-300 mesh；
The brown glass fining agent further includes the weight of zeolite powder, magnetic iron oxide and Ludox, the zeolite powder and gypsum
The ratio between be 1：4-1：6, the additive amount of the magnetic iron oxide is identical with the additive amount of Nacl, and the additive amount of the Ludox is
The half of the additive amount of Nacl, the grain size of the zeolite powder is 100-150 mesh, and the grain size of the magnetic iron oxide is 200-
300 mesh.
2. brown glass fining agent according to claim 1, it is characterised in that：The brown glass fining agent, including with
The each component of lower parts by weight：9 parts of Nacl, 25 parts of gypsum, 28 parts of anhydrous sodium sulphate, 50 parts of calcite, the grain size of the Nacl
For 300-400 mesh, the grain size of gypsum is 200-300 mesh, and the grain size of anhydrous sodium sulphate is 200-300 mesh, and the grain size of calcite is 200-
The weight ratio of 300 mesh, the zeolite powder and gypsum is 1：5.
3. a kind of preparation method of the brown glass fining agent described in claims 1 or 2, it is characterised in that：Include the following steps：
(1) Nacl, gypsum, anhydrous sodium sulphate and calcite are distinguished into grinding and sieving, Nacl is crushed to grain size as 300-400
Mesh, gypsum are crushed to grain size as 200-300 mesh, and anhydrous sodium sulphate is crushed to grain size as 200-300 mesh, and calcite in powder is broken to grain size and is
200-300 mesh；
(2) Nacl crushed, gypsum, anhydrous sodium sulphate and calcite are weighed according to proportioning；
(3) load weighted gypsum, anhydrous sodium sulphate and calcite are uniformly mixed, ultrasonication 20-30min；
(4) 10-20min is handled in the molten liquid of Nacl that the mixture obtained by step (3) is put into 820-950 DEG C, with 20
DEG C speed per minute is cooled to 240 DEG C；
(5) weight is added in into 240 DEG C of mixture and is 2-2.5 times of 4 DEG C of purified water of industrial salt quality, and is sufficiently stirred
30min is cooled down, is crushed to grain size as 200-300 mesh；
(6) zeolite powder and magnetic iron oxide are distinguished into grinding and sieving, zeolite is crushed to grain size as 100-150 mesh, it will be magnetic
Brown iron oxide is broken to grain size as 200-300 mesh；
(7) zeolite powder and magnetic iron oxide for weighing Ludox according to proportioning and crushing；
(8) load weighted zeolite powder and magnetic iron oxide are uniformly mixed, the mixture of zeolite powder and magnetic iron oxide is heated
To 1450-1540 DEG C, keep 10-20 minute after, cool down, be crushed to grain size be 300-400 mesh, and with load weighted Ludox,
Crushed material obtained by step (5) is uniformly mixed to get object.
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|---|---|---|---|---|
| CN101428969A (en) * | 2008-12-05 | 2009-05-13 | 北京工业大学 | Brown glass and uses thereof |
| CN102659311A (en) * | 2012-04-19 | 2012-09-12 | 益阳生力材料科技有限公司 | Glass refining agent, production method and application |
| CN104761145A (en) * | 2015-03-26 | 2015-07-08 | 蚌埠翔宇玻璃制造有限公司 | Clarifying agent for high-borate glass and preparation method thereof |
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