CN108947207A - Glass melting process - Google Patents
Glass melting process Download PDFInfo
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- CN108947207A CN108947207A CN201810791053.8A CN201810791053A CN108947207A CN 108947207 A CN108947207 A CN 108947207A CN 201810791053 A CN201810791053 A CN 201810791053A CN 108947207 A CN108947207 A CN 108947207A
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- China
- Prior art keywords
- side wall
- rifle
- burning rifle
- raw material
- furnace body
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
- C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2211/00—Heating processes for glass melting in glass melting furnaces
- C03B2211/40—Heating processes for glass melting in glass melting furnaces using oxy-fuel burners
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The invention discloses a kind of glass melting process, implement the glass melting process using kiln, the kiln includes: furnace body, and furnace body has first to fourth side wall, and furnace body includes along multiple heating zones of first level direction arrangement；Rifle is burnt, rifle is burnt and is located at least one of third side wall and the 4th side wall, wherein each heating zone, which is equipped at least one, burns rifle；And electrode, electrode are located at least one of third side wall and the 4th side wall；Glass melting process is the following steps are included: close discharge port, raw material is added into furnace body by feed inlet, heat is provided to the intracorporal raw material of furnace using rifle and electrode is burnt, the oxygen for burning rifle fires volume ratio within a preset range, and the fuel quantity positioned at the burning rifle of adjacent three heating zones meets preset relation.By utilizing glass melting process according to an embodiment of the present invention, so as to improve the production efficiency of glass, eliminate the defects of bubble, striped, the consistency for promoting glass and quality, reduction energy consumption.
Description
Technical field
The present invention relates to glass arts, and in particular, to glass melting process.
Background technique
In the related art, it is melted in kiln for manufacturing the batch of glass, then completes the glass of fusing
Liquid is flowed into next procedure and is adjusted and forms.The effect that glass metal melts in kiln determines the quality of glass product.
Summary of the invention
The application is to be made based on inventor to the discovery of following facts and problem and understanding: the prior art is mentioned with increasing
The mode for producing the heat of the raw material of glass is supplied, to improve the production efficiency of glass.Therefore, those skilled in the art deposit
In technology prejudice, which causes those skilled in the art to ask in face of how to improve the production efficiency of glass this technology
When topic, it only will recognize that increase is supplied to the heat of the raw material for producing glass.
Those skilled in the art have found after in depth studying, the glass metal in the furnace of kiln intracorporal temperature field and generation
Circulation not only has larger impact to the production efficiency of glass, but also also has larger impact to the quality of glass, especially for molten
When changing the higher glass kind of viscosity and promote production capacity, this influence is more significant.
It is of the existing technology the purpose of the invention is to overcome the problems, such as, kiln is provided and utilizes kiln implementation
Glass melting process.
To achieve the goals above, the present invention provides a kind of glass melting process, implements the glass melting using kiln
Method, the kiln include: furnace body, the furnace body have the first side wall and the second side wall opposite on first level direction with
And the opposite third side wall and the 4th side wall in the second horizontal direction, in the crown wall of the furnace body and first side wall extremely
Few one is equipped with feed inlet, and at least one of the bottom wall of the furnace body and second side wall are equipped with discharge port, described
Furnace body includes along multiple heating zones of first level direction arrangement；Rifle is burnt, the burning rifle is located at the third side wall and institute
It states at least one of the 4th side wall, wherein each heating zone is equipped at least one described burning rifle；And electrode, the electricity
Pole is located at least one of the third side wall and the 4th side wall, it is preferable that the burning rifle position is in the electrode
Top；The glass melting process the following steps are included: close the discharge port, by the feed inlet into the furnace body plus
Enter raw material, heat is provided to the intracorporal raw material of the furnace using the burning rifle and the electrode, wherein the oxygen for burning rifle fires body
Within a preset range, the fuel quantity positioned at the burning rifle of adjacent three heating zones meets preset relation to product ratio.
By utilizing glass melting process according to an embodiment of the present invention, so as to improve the production efficiency of glass, disappear
The defects of bubble removing, striped, the consistency for promoting glass and quality reduce energy consumption.
Preferably, the burning rifle includes the first burning rifle and second burns rifle, and the first burning rifle is located on the third side wall,
The second burning rifle is located on the 4th side wall；The electrode includes first electrode and second electrode, and the first electrode is set
On the third side wall, the second electrode is located on the 4th side wall.
Preferably, the glass melting process is the following steps are included: A) close the discharge port, by the feed inlet to
Raw material is added in the furnace body, provides heat to the intracorporal raw material of the furnace using the burning rifle；B) when the intracorporal original of the furnace
When the material position of material reaches the first preset value, start the electrode to provide heat to the intracorporal raw material of the furnace；C) continue to lead to
It crosses the feed inlet and raw material is added into the furnace body, the fuel characteristic and fuel quantity for burning rifle is adjusted, to make the burning
The oxygen combustion volume ratio of rifle meets institute in the preset range, positioned at the fuel quantity of the burning rifle of adjacent three heating zones
State preset relation；And D) continue through the feed inlet raw material is added into the furnace body, when the material of the intracorporal raw material of the furnace
When position reaches the second preset value, stop that raw material is added, it is preferable that the ratio between first preset value and second preset value are greater than
Equal to 0.2 and it is less than or equal to 0.4, it is further preferred that the ratio between first preset value and second preset value are equal to 0.33.
Preferably, the glass melting process further comprises: E) stopping after raw material is added, is meeting the preset range
Under conditions of the preset relation, preset time is heated to the intracorporal raw material of the furnace, it is preferable that the preset time is 24
- 96 hours hours, it is preferable that the glass melting process further comprises: F) it is described pre- to the heating of the furnace intracorporal raw material
If after the time, opening the discharge port and raw material being added into the furnace body by the feed inlet.
Preferably, the step C) include: C-1) continue through the feed inlet raw material is added into the furnace body, by institute
The total current value for stating electrode adjusts and is maintained at third preset value, and the total fuel quantity for burning rifle is adjusted and is maintained at the 4th in advance
If value；And C-2) the adjustment fuel characteristic and fuel quantity for burning rifle, to make the oxygen combustion volume ratio for burning rifle described pre-
If meeting the preset relation in range, positioned at the fuel quantity of the burning rifle of adjacent three heating zones.
Preferably, the oxygen combustion volume ratio for burning rifle is (2-3): 1, it is preferable that the oxygen for burning rifle fires volume ratio and is
(2.3-2.7): 1, it is further preferred that the oxygen combustion volume ratio for burning rifle is (2.45-2.55): 1.
Preferably, under the conditions of isothermal and isobaric, the oxygen combustion volume ratio for burning rifle is (2-3): 1, it is preferable that the burning rifle
Oxygen combustion volume ratio be (2.3-2.7): 1, it is further preferred that it is described burn rifle oxygen combustion volume ratio be (2.45-2.55): 1.
Preferably, first heating zone in adjacent three heating zones is adjacent to the feed inlet, and adjacent three
Third in the heating zone heating zone is adjacent to the discharge port, first in adjacent three heating zones
The sum of fuel quantity of the burning rifle of the heating zone is M1, second heating in adjacent three heating zones
The sum of the fuel quantity of the burning rifle in area is M2, described in the third heating zone in adjacent three heating zones
Burning the sum of fuel quantity of rifle is M3, wherein 0.7≤M1/M2≤0.95,1.3≤(M1+M2)/M3≤2, it is preferable that 0.72≤M1/
M2≤0.91,1.4≤(M1+M2)/M3≤1.9, it is further preferred that 0.77≤M1/M2≤0.85,1.55≤(M1+M2)/M3≤
1.75。
Preferably, the furnace body includes along three heating zones of first level direction arrangement.
Preferably, first side wall is L, Mei Gesuo at a distance from second side wall is on the first level direction
Length of the heating zone on the first level direction is stated more than or equal to 0.25L and is less than or equal to 0.45L, it is preferable that Mei Gesuo
Length of the heating zone on the first level direction is stated more than or equal to 0.3L and is less than or equal to 0.35L, it is further preferred that each
Length of the heating zone on the first level direction is equal to 0.33L.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of kiln according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of kiln according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings kiln 10 according to an embodiment of the present invention is described.As depicted in figs. 1 and 2, real according to the present invention
The kiln 10 for applying example includes furnace body 110, burns rifle 120 and electrode 130.
Furnace body 110 has the first side wall 111 and the second side wall 112 opposite on first level direction and in the second water
Square upwards opposite third side wall 113 and the 4th side wall 114.In the crown wall 115 of furnace body 110 and the first side wall 111 at least
One is equipped with feed inlet 151, and at least one of the bottom wall 116 of furnace body 110 and the second side wall 112 are equipped with discharge port 152.
Furnace body 110 includes along multiple heating zones 117 of first level direction arrangement.
It burns rifle 120 to be located at least one of third side wall 113 and the 4th side wall 114, each heating zone 117 is equipped with extremely
A few burning rifle 120.Electrode 130 is located at least one of third side wall 113 and the 4th side wall 114.Wherein, first water
Square to as shown by the arrow a in fig. 2, second horizontal direction as indicated by arrow b in fig. 1, the arrow of up and down direction as shown in figure 1
Shown in head C.
The present invention also provides the glass melting process implemented using kiln 10 according to an embodiment of the present invention, according to this hair
The glass melting process of bright embodiment is the following steps are included: closing discharge port 152, is added by feed inlet 151 into furnace body 110
Raw material provides heat using the raw material of rifle 120 and electrode 130 into furnace body 110 is burnt, wherein the oxygen combustion volume ratio for burning rifle 120 exists
In preset range, the fuel quantity positioned at the burning rifle 120 of adjacent three heating zones 117a, 117b, 117c meets preset relation.Burn rifle
120 oxygen combustion volume ratio refers to the volume ratio for burning oxygen and fuel that rifle 120 sprays.The fuel can be natural gas.
The application is to be made based on inventor to the discovery of following facts and problem and understanding: the prior art is mentioned with increasing
The mode for producing the heat of the raw material of glass is supplied, to improve the production efficiency of glass.Therefore, those skilled in the art deposit
In technology prejudice, which causes those skilled in the art to ask in face of how to improve the production efficiency of glass this technology
When topic, it only will recognize that increase is supplied to the heat of the raw material for producing glass.
Those skilled in the art have found after in depth studying, the glass metal in the furnace of kiln intracorporal temperature field and generation
Circulation not only has larger impact to the production efficiency of glass, but also also has larger impact to the quality of glass, especially for molten
When changing the higher glass kind of viscosity and promote production capacity, this influence is more significant.
Glass melting process according to an embodiment of the present invention pass through make burn rifle 120 oxygen fire volume ratio within a preset range,
And the fuel quantity of the burning rifle 120 positioned at adjacent three heating zones 117a, 117b, 117c is made to meet preset relation, so as to essence
Really, the temperature field in furnace body 110 is adjusted, in time to generate ideal glass metal circulation.
Due to can produce glass metal circulation in furnace body 110, i.e., there are glass metal circulation in furnace body 110, therefore not only may be used
So that the fusing of glass metal is strengthened, to improve the melting efficiency of glass metal, and then the production efficiency of glass is improved, and
The glass metal in furnace body 110 can be made more uniform, more uniform, the defects of to eliminate the bubble in glass, striped, improved
The consistency and quality of glass are higher more particularly to improve the production efficiency for melting the higher glass of viscosity, promotion fusing viscosity
Glass quality.
For example, can produce preceding circulation 161 and rear circulation 162 in furnace body 110, the foundation of preceding circulation 161 and rear circulation 162
And stabilization, it ensure that molten state of the glass metal in furnace body 110, the production efficiency of kiln 10 thus not only can be improved, and
And the quality of glass can be improved.
Therefore, by utilizing glass melting process according to an embodiment of the present invention, so as to improve the production effect of glass
Rate eliminates the defects of bubble, striped, the consistency for promoting glass and quality, reduces energy consumption.
As depicted in figs. 1 and 2, in some embodiments of the invention, kiln 10 may include furnace body 110, burn rifle 120,
Electrode 130 and temperature detector 140.
Furnace body 110 can have the first side wall 111 and the second side wall 112 opposite on the first level direction and
Opposite third side wall 113 and the 4th side wall 114 in second horizontal direction can be equipped with feed inlet 151 on the first side wall 111,
Discharge port 152 can be equipped on second side wall 112.Wherein, which can be perpendicular to second horizontal direction.
Burning rifle 120 may include that the first burning rifle 121 and second burns rifle 122, and electrode 130 may include 131 He of first electrode
Second electrode 132.First burning rifle 121 is located on third side wall 113, and the second burning rifle 122 is located on the 4th side wall 114.First electricity
Pole 131 is located on third side wall 113, and second electrode 132 is located on the 4th side wall 114.Temperature detector 140 can be located at bottom wall
On 116.
Preferably, first burning rifle 121 can be it is multiple, second burning rifle 122 can be it is multiple, it is multiple first burn rifles 121 can
Be located on third side wall 113 at interval along the first level direction, multiple second burn rifle 122 can be along the first level side
To being located on the 4th side wall 114 at interval.First electrode 131 can be it is multiple, second electrode 132 can be it is multiple, it is multiple
First electrode 131 can be located on third side wall 113 at interval along the first level direction, and multiple second electrodes 132 can be with
It is located on the 4th side wall 114 at interval along the first level direction.
It is possible thereby to be uniformly heated the glass metal in furnace body 110, so as to so that kiln 10 structure more adduction
Reason.
It is further preferred that multiple first burning rifles 121 can equally spacedly be located at third side wall 113 along the first level direction
On, multiple second burning rifles 122 can be equally spacedly located on the 4th side wall 114 along the first level direction.Multiple first electrodes
131 can equally spacedly be located on third side wall 113 along the first level direction, multiple second electrodes 132 can along this first
Horizontal direction is equally spacedly located on the 4th side wall 114.It is possible thereby to it is uniformly heated the glass metal in furnace body 110, from
And the structure of kiln 10 can be made more reasonable.
As shown in Figure 1, each of the first burning rifle 121 and the second burning rifle 122 can be located at first electrode 131 and second
The top of each of electrode 132.It is possible thereby to keep the structure of kiln 10 more reasonable.
Glass melting process according to an embodiment of the present invention may comprise steps of:
A discharge port 152) is closed, raw material is added into furnace body 110 by feed inlet 151, using burning rifle 120 to furnace body 110
Interior raw material provides heat；
B) when the material position of the raw material in furnace body 110 reaches the first preset value, start electrode 130 so as into furnace body 110
Raw material provide heat；
C it) continuing through feed inlet 151 and raw material is added into furnace body 110, the fuel characteristic and fuel quantity of rifle 120 are burnt in adjustment,
So as to make burn rifle 120 oxygen combustion volume ratio in the preset range, positioned at the burning of adjacent three heating zones 117a, 117b, 117c
The fuel quantity of rifle 120 meets the preset relation；With
D it) continues through feed inlet 151 and raw material is added into furnace body 110, when the material position of the raw material in furnace body 110 reaches
When two preset values, stop that raw material is added.Wherein it is possible to which first to reach this second default for the material position of the raw material in (possibility) furnace body 110
Value, then realize burn rifle 120 oxygen combustion volume ratio in the preset range, be located at adjacent three heating zones 117a, 117b, 117c
The fuel quantity of burning rifle 120 meet the preset relation, i.e., adjustment burn rifle 120 fuel characteristic and fuel quantity process relatively
It is long；Can also (possibility) first realize burn rifle 120 oxygen combustion volume ratio in the preset range, be located at adjacent three heating zones
The fuel quantity of the burning rifle 120 of 117a, 117b, 117c meets the preset relation, the i.e. fuel characteristic and fuel of adjustment burning rifle 120
The process of amount is relatively short, and then the material position of the raw material in furnace body 110 reaches second preset value.
Preferably, the ratio between first preset value and second preset value can be more than or equal to 0.2 and be less than or equal to 0.4.By
This can be further improved melting efficiency.It is further preferred that the ratio between first preset value and second preset value can be equal to
0.33.Specifically, which can be 700 millimeters -1000 millimeters.
In one embodiment of the invention, the step C) may include:
C-1 it) continues through feed inlet 151 and raw material is added into furnace body 110, the total current value of electrode 130 is adjusted and protected
It holds in third preset value, the total fuel quantity for burning rifle 120 is adjusted and is maintained at the 4th preset value；With
C-2) fuel characteristic and fuel quantity of rifle 120 are burnt in adjustment, to make the oxygen for burning rifle 120 combustion volume ratio preset model at this
Meet the preset relation in enclosing, positioned at the fuel quantity of the burning rifle 120 of adjacent three heating zones 117a, 117b, 117c.Wherein, kiln
Furnace 10 may include multiple burning rifles 120, can be by adjusting the fuel characteristic and fuel quantity for burning rifle 120, to make different burnings
The fuel characteristic and fuel quantity of rifle 120 be different from each other or identical, the difference that has that have, but multiple fuel quantities for burning rifle 120
The sum of (total fuel quantity) be maintained at the 4th preset value.
Pass through total fuel quantity tune that the total current value of electrode 130 is adjusted to and is maintained at the third preset value, rifle 120 will be burnt
It is whole and be maintained at the 4th preset value, to not only can preferably meet requirement of the fusing glass to heat, but also can be more
Add the temperature field accurately, more rapidly adjusted in furnace body 110, to generate more ideal glass metal circulation.
The third preset value and the 4th preset value can be according to the type of raw material, the yield (production capacity) of kiln 10, productions
The factors such as glass kind determine.
Specifically, glass metal in the operating temperature in furnace body 110 between 1530 DEG C to 1650 DEG C, i.e., in furnace body 110
The temperature of glass metal can be more than or equal to 1530 DEG C and be less than or equal to 1650 DEG C.
The oxygen combustion volume ratio for burning rifle 120 can be (2-3): 1.It is possible thereby to more accurately, regulating stove much sooner
Temperature field in body 110, so as to generate more ideal glass metal circulation.Preferably, the oxygen combustion volume ratio for burning rifle 120 can
To be (2.3-2.7): 1.It is further preferred that the oxygen combustion volume ratio for burning rifle can be (2.45-2.55): 1.
Preferably, the oxygen combustion volume ratio of above-mentioned burning rifle 120 can be the oxygen combustion of the burning rifle 120 under the conditions of isothermal and isobaric
Volume ratio.Specifically, if the temperature and/or pressure of oxygen are not equal to the temperature and/or pressure of fuel, it first can be by oxygen
Volume be converted into the volume under the temperature and pressure of fuel, or the volume of fuel can be converted into the temperature in oxygen
With the volume under pressure, the oxygen combustion volume ratio for burning rifle 120 is then calculated again.It is possible thereby to which more reasonably rifle 120 is burnt in control
Oxygen fires volume ratio.
First heating zone 117a in adjacent three heating zones 117a, 117b, 117c can be adjacent to feed inlet 151, phase
Third heating zone 117c in neighbour three heating zones 117a, 117b, 117c can neighbouring discharge port 152.In other words, for phase
For neighbour three heating zones 117a, 117b, 117c, compared with second heating zone 117b and third heating zone 117c, first
A heating zone 117a is more adjacent to feed inlet 151, compared with first heating zone 117a and second heating zone 117b, third
Heating zone 117c is more adjacent to discharge port 152.
The fuel quantity of the burning rifle 120 of first heating zone 117a in adjacent three heating zones 117a, 117b, 117c
The sum of can be M1, the burning rifle 120 of second heating zone 117b in adjacent three heating zones 117a, 117b, 117c
The sum of fuel quantity can be M2, the burning rifle of the third heating zone 117c in adjacent three heating zones 117a, 117b, 117c
The sum of 120 fuel quantity can be M3.For example, being located in first heating zone 117a there are five rifle 120 is burnt, this five burning rifles
The sum of the fuel quantity of 120 (injections) can be M1.
Wherein, 0.7≤M1/M2≤0.95,1.3≤(M1+M2)/M3≤2.It is possible thereby to more accurately, much sooner
Ground adjusts the temperature field in furnace body 110, so as to generate more ideal glass metal circulation.Preferably, 0.72≤M1/M2≤
0.91,1.4≤(M1+M2)/M3≤1.9.It is further preferred that 0.77≤M1/M2≤0.85,1.55≤(M1+M2)/M3≤
1.75。
As shown in Fig. 2, specifically, furnace body 110 may include along first level direction arrangement three heating zone 117a,
117b,117c.It is possible thereby in the case where generating ideal glass metal circulation, reduce accurately, adjust furnace body 110 in time
The difficulty in interior temperature field.Heating zone 117 can be the part between adjacent two dotted lines of the furnace body 110 in Fig. 2.
First side wall 111 can be L, each heating zone 117 at a distance from the second side wall 112 is on the first level direction
Length on the first level direction can be more than or equal to 0.25L and be less than or equal to 0.45L.
Preferably, length of each heating zone 117 on the first level direction can be more than or equal to 0.3L and be less than etc.
In 0.35L.It is further preferred that length of each heating zone 117 on the first level direction can be equal to 0.33L.Thus may be used
To expand the moving range on the boundary of each heating zone 117, so as to increase the operating flexibility of glass melting process.
For example, when length of each heating zone 117 on the first level direction is more than or equal to 0.3L and is less than or equal to
When 0.35L, the boundary of second heating zone 117b can move 0.05L, to adjacent to discharge port to the direction of neighbouring feed inlet 151
The mobile 0.1L in 152 direction.
In some examples of the invention, glass melting process may further include:
E) stop after raw material is added, under conditions of meeting the preset range and the preset relation, to the original in furnace body 110
Material heating preset time.It is possible thereby to further increase the consistency and quality of glass.Preferably, which can be 24
- 96 hours hours.It is further preferred that the preset time can be -72 hours 48 hours.
In an example of the invention, after heating the preset time, the glass metal in furnace body 110 can all be arranged
Out.The glass metal of discharge can enter next process.That is, the glass melting process can be carried out intermittently.
In another example of the invention, glass melting process according to an embodiment of the present invention may further include:
F it after) heating the preset time to the raw material in furnace body 110, opens discharge port 152 and is added by feed inlet 151 into furnace body 110
Enter raw material.In other words, after heating the preset time to the raw material in furnace body 110, glass metal is discharged by discharge port 152 on one side,
Raw material is added into furnace body 110 by feed inlet 151 on one side.That is, the glass melting process can be carried out continuously.
Experimental example 1: glass flow quantity is 8 ton/days, and product is TFT-LCD glass, and wherein oxygen combustion is than being 2.4, M1/M2=
0.7, (M1+M2)/M3=2.Within 3%, product meets quality requirements for bubble and striped fraction defective.
Experimental example 2: glass flow quantity is 10 ton/days, and product is TFT-LCD glass, and wherein oxygen combustion is than being 2, M1/M2=
0.95, (M1+M2)/M3=1.3.Within 3%, product meets quality requirements for bubble and striped fraction defective.
Experimental example 3: glass flow quantity is 14 ton/days, and product is LTPS glass, and wherein oxygen combustion ratio is 3, M1/M2=0.77,
(M1+M2)/M3=1.75.Within 4.7%, product meets quality requirements for bubble and striped fraction defective.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of glass melting process, which is characterized in that implement the glass melting process using kiln, the kiln includes:
Furnace body, the furnace body have the first side wall and the second side wall opposite on first level direction and in the second level sides
Opposite third side wall and the 4th side wall upwards, at least one of the crown wall of the furnace body and first side wall equipped with into
Material mouth, at least one of the bottom wall of the furnace body and second side wall are equipped with discharge port, and the furnace body includes along described
Multiple heating zones of first level direction arrangement；
Rifle is burnt, the burning rifle is located at least one of the third side wall and the 4th side wall, wherein adding described in each
Hot-zone is equipped at least one described burning rifle；With
Electrode, the electrode are located at least one of the third side wall and the 4th side wall, it is preferable that the burning rifle
Positioned at the top of the electrode；
The glass melting process the following steps are included: close the discharge port, by the feed inlet into the furnace body plus
Enter raw material, heat is provided to the intracorporal raw material of the furnace using the burning rifle and the electrode, wherein the oxygen for burning rifle fires body
Within a preset range, the fuel quantity positioned at the burning rifle of adjacent three heating zones meets preset relation to product ratio.
2. glass melting process according to claim 1, which is characterized in that
The burning rifle includes the first burning rifle and second burns rifle, and the first burning rifle is located on the third side wall, and described second burns
Rifle is located on the 4th side wall；
The electrode includes first electrode and second electrode, and the first electrode is located on the third side wall, second electricity
Pole is located on the 4th side wall.
3. glass melting process according to claim 1, which comprises the following steps:
A the discharge port) is closed, raw material is added into the furnace body by the feed inlet, using the burning rifle to the furnace
Intracorporal raw material provides heat；
B) when the material position of the intracorporal raw material of the furnace reaches the first preset value, start the electrode so as to intracorporal to the furnace
Raw material provides heat；
C it) continues through the feed inlet and raw material is added into the furnace body, adjust the fuel characteristic and fuel quantity for burning rifle,
To make the burning rifle of the oxygen combustion volume ratio for burning rifle in the preset range, positioned at adjacent three heating zones
Fuel quantity meets the preset relation；With
D it) continues through the feed inlet and raw material is added into the furnace body, when the material position of the intracorporal raw material of the furnace reaches second
When preset value, stop that raw material is added, it is preferable that the ratio between first preset value and second preset value more than or equal to 0.2 and
Less than or equal to 0.4, it is further preferred that the ratio between first preset value and second preset value are equal to 0.33.
4. glass melting process according to claim 3, which is characterized in that further comprise:
E) stop after raw material is added, it is intracorporal to the furnace under conditions of meeting the preset range and the preset relation
Raw material heat preset time, it is preferable that the preset time be -96 hours 24 hours, it is preferable that the glass melting process into
One step includes: F) preset time is heated to the intracorporal raw material of the furnace after, open the discharge port and by the charging
Raw material is added into the furnace body in mouth.
5. glass melting process according to claim 3, which is characterized in that the step C) include:
C-1 it) continues through the feed inlet and raw material is added into the furnace body, the total current value of the electrode is adjusted and kept
In third preset value, the total fuel quantity for burning rifle is adjusted and is maintained at the 4th preset value；With
C-2 the fuel characteristic and fuel quantity for burning rifle is adjusted) to make the oxygen combustion volume ratio for burning rifle in the default model
Meet the preset relation in enclosing, positioned at the fuel quantity of the burning rifle of adjacent three heating zones.
6. glass melting process according to any one of claims 1-5, which is characterized in that the oxygen for burning rifle fires volume
Than for (2-3): 1, it is preferable that the oxygen combustion volume ratio for burning rifle is (2.3-2.7): 1, it is further preferred that the oxygen for burning rifle
Firing volume ratio is (2.45-2.55): 1.
7. glass melting process according to claim 6, which is characterized in that under the conditions of isothermal and isobaric, the burning rifle
It is (2-3) that oxygen, which fires volume ratio: 1, it is preferable that the oxygen combustion volume ratio for burning rifle is (2.3-2.7): 1, it is further preferred that described
The oxygen combustion volume ratio for burning rifle is (2.45-2.55): 1.
8. glass melting process described in any one of -7 according to claim 1, which is characterized in that adjacent three heating zones
In third of first heating zone in the feed inlet, the adjacent three heating zones heating zone it is neighbouring
The sum of the fuel quantity of the discharge port, the burning rifle of first heating zone in adjacent three heating zones is
M1, the sum of fuel quantity of the burning rifle of second heating zone in adjacent three heating zones are M2, are located at
The sum of the fuel quantity of the burning rifle of the third heating zone in adjacent three heating zones is M3, wherein 0.7≤M1/
M2≤0.95,1.3≤(M1+M2)/M3≤2,
Preferably, 0.72≤M1/M2≤0.91,1.4≤(M1+M2)/M3≤1.9,
It is further preferred that 0.77≤M1/M2≤0.85,1.55≤(M1+M2)/M3≤1.75.
9. glass melting process according to claim 1, which is characterized in that the furnace body includes along the first level side
To three heating zones of arrangement.
10. glass melting process according to claim 9, which is characterized in that first side wall and second side wall
Distance on the first level direction is L, and length of each heating zone on the first level direction is greater than etc.
In 0.25L and be less than or equal to 0.45L, it is preferable that length of each heating zone on the first level direction be greater than etc.
In 0.3L and it is less than or equal to 0.35L, it is further preferred that length of each heating zone on the first level direction is equal to
0.33L。
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| CN201810791053.8A CN108947207B (en) | 2018-07-18 | 2018-07-18 | Glass melting method |
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| CN201810791053.8A CN108947207B (en) | 2018-07-18 | 2018-07-18 | Glass melting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562958A (en) * | 2021-07-23 | 2021-10-29 | 江苏德和新材料科技有限公司 | Glass electric kiln for producing foam glass raw material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406683A (en) * | 1981-12-04 | 1983-09-27 | Ppg Industries, Inc. | Method of and apparatus for removing gas inclusions from a molten glass pool |
| JP2005035826A (en) * | 2003-07-18 | 2005-02-10 | Japan Air Gases Ltd | Glass melting furnace |
| CN202785940U (en) * | 2012-07-23 | 2013-03-13 | 彩虹显示器件股份有限公司 | Glass kiln |
| CN106116109A (en) * | 2016-06-22 | 2016-11-16 | 巨石集团有限公司 | A kind of cell furnace and the method for glass smelting |
| CN205774045U (en) * | 2016-06-29 | 2016-12-07 | 芜湖东旭光电科技有限公司 | Kiln |
| CN206014649U (en) * | 2016-09-08 | 2017-03-15 | 郑州旭飞光电科技有限公司 | Glass substrate kiln temperature control system |
-
2018
- 2018-07-18 CN CN201810791053.8A patent/CN108947207B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406683A (en) * | 1981-12-04 | 1983-09-27 | Ppg Industries, Inc. | Method of and apparatus for removing gas inclusions from a molten glass pool |
| JP2005035826A (en) * | 2003-07-18 | 2005-02-10 | Japan Air Gases Ltd | Glass melting furnace |
| CN202785940U (en) * | 2012-07-23 | 2013-03-13 | 彩虹显示器件股份有限公司 | Glass kiln |
| CN106116109A (en) * | 2016-06-22 | 2016-11-16 | 巨石集团有限公司 | A kind of cell furnace and the method for glass smelting |
| CN205774045U (en) * | 2016-06-29 | 2016-12-07 | 芜湖东旭光电科技有限公司 | Kiln |
| CN206014649U (en) * | 2016-09-08 | 2017-03-15 | 郑州旭飞光电科技有限公司 | Glass substrate kiln temperature control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113562958A (en) * | 2021-07-23 | 2021-10-29 | 江苏德和新材料科技有限公司 | Glass electric kiln for producing foam glass raw material |
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| CN108947207B (en) | 2021-09-07 |
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