CN108751674A - A kind of method of glass melter and melted glass - Google Patents
A kind of method of glass melter and melted glass Download PDFInfo
- Publication number
- CN108751674A CN108751674A CN201810826924.5A CN201810826924A CN108751674A CN 108751674 A CN108751674 A CN 108751674A CN 201810826924 A CN201810826924 A CN 201810826924A CN 108751674 A CN108751674 A CN 108751674A
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- China
- Prior art keywords
- glass
- spray gun
- melter
- fining end
- fining
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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
- C03B5/225—Refining
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
- Glass Compositions (AREA)
Abstract
The present invention provides a kind of methods of glass melter and melted glass.Include spray gun in the fining end of the glass melter, the spray gun is fixed in fining end.The method of the melted glass includes that the raw material for preparing glass is added in above-mentioned glass melter, carries out glass smelting, the spray gun of the fining end of glass melter is opened in glass melting process, obtains viscosity and meets the glass smelting liquid that molding needs.Glass melter provided by the invention in fining end by being arranged spray gun, it realizes and the volatile matter that glass fusion process generates is purged into out melting furnaces, and these volatile matters can be diluted, reduce its concentration in melting furnaces, so that these volatile matters is not condensed on furnace refractory, extends the service life of glass melter, reduce maintenance cost, will not occur in glass delaying the defect for falling and being formed because refractory surface suffers erosion simultaneously, ensure that the quality of glass smelting liquid.
Description
Technical field
The invention belongs to field of glass production technology, and in particular to a kind of method of glass melter and melted glass.
Background technology
In Improving Glass Manufacturing Processes, batch is known as the melting process of glass by being thermally formed the process of glass.Glass
It is melted be important stage in Improving Glass Manufacturing Processes, melted quality and speed decide the quality and yield of product.
The melted needs of glass carry out in glass melter, and glass melter is one kind that glass manufacturing industry must possess
Melting appartus, can by the clinker (cullet) of the powder and admixture that are prepared by glass ingredient in kiln high temperature melting, clarification simultaneously
Form the glass metal for meeting forming requirements.Glass manufacture has history in 5000, and using firewood as fuel, in mud tank, melten glass is matched
The manufacturing method for closing material has continued for a long time.Siemens brother has built continuous coal tank furnace within 1867.1945
Afterwards, glass melter rapidly develops.
But current glass be melted field the problem is that, glass batch is during being fused into glass metal or clear
Certain components, such as the compound of sodium oxide molybdena, sulfur dioxide, boron oxide, lead, vapor etc. can be volatilized during clear, especially
It is high-boron-silicon glass, low-melting glass and flint glass etc., volatilization phenomenon is more notable, the volatile quantity even meeting of certain components
More than the 10% of its content in glass.It is resistance to that the group branch that volatility glass volatilizes during fusing condenses in melting furnaces
On fiery material structure, refractory material is caused to corrode, the particle after causing refractory material to corrode, which is delayed, to be fallen or coagulation drops onto glass
Defect is formed in glass, is all had an adverse effect to glass production and kiln service life.
CN103910482A discloses a kind of double card neck structure float glass smelting kiln and its reduces the side of discharged nitrous oxides
Method.The method discloses a kind of double card neck structure float glass smelting kiln and its reduce discharged nitrous oxides method, melting furnaces
Kiln pond includes melting end, the first card neck, fining end, the second card neck and cooling end, melting end, the first card neck, fining end, the second card
Neck and cooling end, which are sequentially connected, to be connect, and melting end, the second card neck, fining end, the first card neck and cooling end bottom surface be in same
On horizontal plane.It is when melting end carries out glass batch fusing, by its fuel combustion that it, which reduces the mode of discharged nitrous oxides,
Flame temperature control be not higher than 1500 DEG C.
CN201250168Y discloses a kind of oxy-fuel combustion glass melting furnace, belongs to glass melter technical field.The total oxygen fires
It burns glass melter to be mainly made of the feeding port, melting end, fining end, glass metal channel and the cooling end that are integrally attached to successively, institute
It states and is provided with all-oxygen combustion device and Waste gas outlet on the both sides breastwork of melting end, the all-oxygen combustion device is mainly by fuel
Burner and total oxygen gas ejection ports below fuel burner are constituted, the fuel burner distinguish external fuels sources and
Total oxygen air source, the external total oxygen air source of total oxygen gas ejection ports.
CN205635349U discloses a kind of glass melter melting end, including melting tank, two charge doors, two flames
Mouth, two spray guns, wherein two boccas are opened on the kiln wall of glass melter melting tank front end, and respectively the bocca is another
End is connect with a regenerative chamber respectively；It is oppositely arranged the charge door by front end on the melting tank both sides breastwork, in the respectively charging
It is oppositely arranged the spray gun near mouthful and far from bocca direction, the spray gun is for spraying reproducibility fuel.The utility model provides
Glass melter melting end, make burning gases be in oxidizing atmosphere when, from the spray gun of melting end breastwork both sides at charge door to
The hydrocarbon fuels such as addition natural gas in kiln carry out controlled aftercombustion in the burning gases of oxidizing atmosphere to tempering end, make
NO in its burning gasesxIt reacts, generates the nitrogen and vapor of environmental sound.
But said program can not solve the group branch that volatility glass volatilizes during fusing condense in it is molten
On kiln structure of refractory, refractory material is caused to corrode or coagulation drops onto the problem of forming defect in glass.Therefore, it opens
The method of the glass melter and melted glass sending out a kind of can to solve the above problems has this field important meaning.
Invention content
Aiming at the above shortcomings existing in the prior art, the purpose of the present invention is to provide a kind of glass melter and be melted
The method of glass.Glass is melted with glass melter provided by the invention, it can be to avoid these fugitive constituents in melting furnaces internal condensate shape
At defect, the quality for improving glass smelting liquid extends the service life of glass melter, reduces maintenance cost simultaneously.
For this purpose, the present invention uses following technical scheme：
In a first aspect, the present invention provides a kind of glass melter, include spray gun, the spray in the fining end of the glass melter
Rifle is fixed in fining end.
In glass melter provided by the invention, spray gun can provide clean high-temperature atmosphere, clean gas in fining end
The volatile matter that glass fusion process generates can be purged out melting furnaces, and these volatile matters can be diluted, it is dense in melting furnaces to reduce it
Degree, makes these volatile matters not condense on furnace refractory, will not form coagulation and drops onto and forms defect in glass.
In addition lance combustion, which generates air-flow, can also maintain the temperature of fining end.
In glass melter provided by the invention, spray gun is integrally fixed at fining end, that is, is permanently disposed in fining end, without
It is placed on to be finished above temporarily and just take off, this is different from oven spray gun.
Dog-hole structure or card neck structure etc. can be used in glass melter provided by the invention, has very strong flexible structure
Property.
It is used as currently preferred technical solution below, but not as the limitation to technical solution provided by the invention, leads to
Following preferred technical solution is crossed, can preferably reach and realize the technical purpose and advantageous effect of the present invention.
As currently preferred technical solution, the glass melter includes sequentially connected melting end, fining end, flow liquid
Hole and cooling end.
Preferably, the fining end of the glass melter is integrated space with melting end.
Preferably, the side that the fining end is connect with dog-hole is equipped with rear gable.
Preferably, the spray gun is arranged on rear gable.
Preferably, the spray gun is arranged in pairs on rear gable.
Preferably, the both sides of the fining end are equipped with breastwork.
In the present invention, the both sides of the fining end refer to two sides that fining end is not connect with melting end or dog-hole.
According to the prior art, the melting end of glass melter and the vertical view of fining end are quadrangle, are surrounded by four faces, in the present invention
Glass melter be also in this way, except connect with melting end (this while can not set gable and make melting end and clarification
Portion is integrally formed space) and the one side that is connect with dog-hole outside, there are two opposite side, this both sides to be equipped with chest for fining end
Wall.
Preferably, the spray gun is arranged on the breastwork of fining end both sides.
Preferably, the spray gun is arranged in pairs on the breastwork of fining end both sides.
As currently preferred technical solution, 1-4 branch, example is arranged in the spray gun on the breastwork of fining end both sides per side
Such as 1,2,3 or 4.In general, the space of glass melter is bigger, and the volatile quantity of volatile matter is more, needs to be arranged
Spray gun quantity is more, and vice versa.
Preferably, when spray gun quantity >=2 on homonymy breastwork, homonymy spray gun level interval 0.3-0.8m, such as
0.3m, 0.4m, 0.5m, 0.6m, 0.7m or 0.8m etc., it is not limited to cited numerical value, in the numberical range, other are not
The numerical value enumerated is equally applicable, preferably 0.5m.
As currently preferred technical solution, the mounting height of the spray gun is higher than metal level 0.6-1m, such as
0.6m, 0.7m, 0.8m, 0.9m or 1m etc., it is not limited to cited numerical value, other interior unrequited numbers of the numberical range
It is worth equally applicable.This position is commonly located closer at the arch foot of the big arch of fining end, such as below arch payment to a porter at 200mm.
Preferably, when the spray gun is arranged on the breastwork of fining end both sides, the mounting height of spray gun is higher than glass metal
Face and be less than gable height.
Preferably, when the side that the spray gun is arranged on the breastwork of fining end both sides and fining end is connect with dog-hole is set
When having rear gable, the horizontal distance of installation site gable after fining end of spray gun in 0.5m or more, such as 0.5m, 0.55m,
0.6m or 0.65m etc..
Preferably, the pipette tips of the spray gun and glass melter inner surface be mutually neat, in retraction glass melter inner wall or protrudes from
Glass melter inner surface, the preferably pipette tips of spray gun and glass melter inner surface are mutually neat.Here, pipette tips retraction glass melter inner wall
In refer to that the pipette tips of spray gun are arranged in the inner wall of glass melter, the still inner surface without reaching glass melter；Pipette tips protrude from
Glass melter inner surface refers to that the pipette tips of spray gun breach glass melter inner surface, enters the inner space of glass melter.This
In, the inner surface can be the inner surface of gable and/or breastwork, and the inner wall can be gable and/or breastwork.
As currently preferred technical solution, the nozzle material for stating spray gun is refractory material.The refractory material is existing
There are retrievable refractory material, such as zircon, mullite or refractory cement etc. in technology.
Preferably, the spray gun is air gun and/or total oxygen spray gun.In the present invention, the air gun and/or total oxygen
Spray gun refer to can be air gun, or total oxygen spray gun, can also be air gun and total oxygen spray gun combination.Generally
For, there is the Horizontal flame melting furnace of regenerative chamber usually to select air-breathing spray gun, and the melting furnaces that main jet rifle is total oxygen rifle then need
Using total oxygen spray gun, in order to avoid leading to the raising of melting furnaces nitrogen oxides in effluent concentration using air-breathing spray gun, influence is melted
The concentration of emission of pollutant in kiln exhaust gas.
As currently preferred technical solution, the glass-melting furnace further includes regenerative chamber.
Preferably, the regenerative chamber is set to the both sides of the melting end of glass-melting furnace, and with the melting end of glass-melting furnace
It is connected.
Preferably, side of the melting end of the glass-melting furnace far from fining end is equipped with feed inlet.
According to the prior art, the melting end of glass melter and the vertical view of fining end are quadrangle, are surrounded by four faces,
Glass melter in the present invention be also in this way, except connect with fining end (this while can not set gable and make fusing
Portion and fining end are integrally formed space) and positioned at side (can this side be arranged feed inlet) of the outermost far from fining end,
For fining end there are two opposite side, the two sides are the both sides that regenerative chamber can be arranged.
Second aspect, the present invention provide a kind of method of melted glass, the described method comprises the following steps：Glass will be prepared
Raw material be added in glass melter as described in relation to the first aspect, carry out glass smelting, it is molten that glass opened in glass melting process
The spray gun of the fining end of kiln obtains viscosity and meets the glass smelting liquid that molding needs.
In melting method provided by the invention, by opening spray gun in glass smelting, it can be provided in fining end clean
High-temperature atmosphere, the volatile matter that glass fusion process generates can purge out melting furnaces, and can dilute these volatilizations by clean gas
Point, its concentration in melting furnaces is reduced, these volatile matters is made not condense on furnace refractory, coagulation will not be formed
It drops onto and forms defect in glass.Melting method provided by the invention has the characteristics that the glass of volatilization, example especially suitable for being melted
Such as pyrex, high lead glass, flint glass.
In melting method provided by the invention, the raw material for preparing glass can be selected according to techniques known
With.
As currently preferred technical solution, the head temperature phase of the flame temperature of the spray gun and the fining end
Together.It is to allow the gas of lance ejection not to the temperature of fining end that fining end head temperature, which is selected, as the temperature of torch flame
It has an impact.It is generally all bound by big arch at the top of the melting end and fining end of glass melter, therefore the head temperature one of fining end
As refer to the big arch of fining end top temperature, i.e. coping temperature.
Preferably, the flame of the spray gun is flat.
Preferably, when the spray gun is air gun, the combustion-supporting gas of spray gun is air, and spray gun fuel is natural gas.
Preferably, when the spray gun is air gun, the air dosage of every spray gun is 500-2000m3/ hr, such as
500m3/hr、750m3/hr、1000m3/hr、1250m3/hr、1500m3/hr、1600m3/hr、1700m3/hr、1800m3/hr、
1900m3/ hr or 2000m3/ hr etc., it is not limited to cited numerical value, other interior unrequited numerical value of the numberical range are same
Sample is applicable in.
Preferably, when the spray gun is total oxygen spray gun, the combustion-supporting gas of spray gun is oxygen, and spray gun fuel is natural gas.
Preferably, when the spray gun is total oxygen spray gun, the flow of oxygen of every spray gun is 50-1000m3/ hr, such as
50m3/hr、100m3/hr、120m3/hr、140m3/hr、160m3/hr、180m3/hr、200m3/hr、300m3/hr、400m3/hr、
500m3/hr、600m3/hr、700m3/hr、800m3/hr、900m3/ hr or 1000m3/ hr etc., it is not limited to cited
Numerical value, other interior unrequited numerical value of the numberical range are equally applicable, preferably 250m3/hr。
As currently preferred technical solution, the method for carrying out glass smelting is：Heating prepares the raw material of glass,
Carry out fusing and glass metal be obtained by the reaction, the glass metal is eliminated into bubble in fining end, obtain defoaming glass metal, it is cooling described in
Glass metal is defoamed, viscosity is obtained and meets the glass smelting liquid that molding needs.
As the further preferred technical solution of the method for the invention, the described method comprises the following steps：
The raw material for preparing glass is added in glass melter as described in relation to the first aspect, glass is prepared in melting end heating
Raw material, carry out fusing glass metal is obtained by the reaction, the spray gun of the fining end of glass melter is opened, by the glass metal in fining end
Middle elimination bubble obtains defoaming glass metal, and the defoaming glass metal is cooled down in cooling end, obtains viscosity and meets the glass that molding needs
Liquid is melted in glass；
Wherein, the flame temperature of the spray gun is identical as the head temperature of the fining end, and the flame of spray gun is flat；
When the spray gun is air gun, the combustion-supporting gas of spray gun is air, and spray gun fuel is natural gas, every spray gun
Air dosage is 1500-2000m3/hr；
When the spray gun is total oxygen spray gun, the combustion-supporting gas of spray gun is oxygen, and spray gun fuel is natural gas, every spray gun
Flow of oxygen is 100-200m3/ hr, preferably 150m3/hr。
Compared with prior art, the invention has the advantages that：
(1) glass melter provided by the invention realizes by the way that spray gun is arranged in fining end and produces glass fusion process
Raw volatile matter purges out melting furnaces, and can dilute these volatile matters, reduces its concentration in melting furnaces, makes these volatile matters will not
It condenses on furnace refractory, extends the service life of glass melter, reduce maintenance cost.
(2) method of melted glass provided by the invention can ensure that the volatile matter generated in melting process will not form condensation
Object, which drops onto, causes defect in glass, ensure that the quality of the glass smelting liquid of preparation.
Description of the drawings
Fig. 1 is the overlooking structure diagram of the glass melter in the embodiment of the present invention 1；
Fig. 2 is the overlooking structure diagram of the glass melter in the embodiment of the present invention 2；
Fig. 3 is the overlooking structure diagram of the glass melter in the embodiment of the present invention 3；
Wherein, 1- fining ends, 2- spray guns, 3- melting ends, 4- dog-holes, 5- cooling ends, 6- feed inlets, 7- regenerative chambers.
Specific implementation mode
For the present invention is better described, it is easy to understand technical scheme of the present invention, below further specifically to the present invention
It is bright.But following embodiments is only the simple example of the present invention, does not represent or limit the scope of the present invention, this
Invention protection domain is subject to claims.
It is present invention typical case but non-limiting embodiment below：
Embodiment 1
The overlooking structure diagram for the glass melter that the present embodiment uses is as shown in Figure 1, the glass melter includes：Clarification
Portion 1, spray gun 2, melting end 3, dog-hole 4, cooling end 5, feed inlet 6 and storage heater 7.The melting end 3, fining end 1, dog-hole
4 and cooling end 5 be sequentially connected, fining end 1 and melting end 3 are integrated space, and the side that fining end 1 is connect with dog-hole 4 is equipped with
The both sides of gable afterwards, fining end 1 are equipped with breastwork.
2 spray guns 2 are symmetrically arranged on the both sides breastwork of fining end 1, and spray gun 2 is higher than the distance of glass metal
0.6m, the installation site of spray gun 2 is at 1 gable horizontal distance 1m of fining end, and 2 spray guns 2 are air gun, and nozzle
Material is refractory material.The nozzle of 2 spray guns 2 is mutually neat with the inner surface of corresponding breastwork.
Regenerative chamber 7 is set to the both sides of the melting end 3 of glass-melting furnace, and is connected with the melting end of glass-melting furnace 3, fusing
Side of the portion 3 far from fining end 1 is equipped with feed inlet 6.
Glass is melted in the present embodiment as follows：
The raw material for preparing glass is added to from the feed inlet 6 positioned at upstream in glass melter provided in this embodiment, profit
The raw material for preparing glass in 3 heating of melting end with regenerative chamber 7 carries out fusing and glass metal is obtained by the reaction, opens the clear of glass melter
The spray gun 2 in clear portion 1, bubble is eliminated by the glass metal in fining end 1, obtains defoaming glass metal, defoaming glass metal is through overcurrent
Liquid hole 4 is cooled down in cooling end 5, and obtaining viscosity in downstream meets the glass smelting liquid that molding needs.
Wherein, the flame temperature of spray gun 2 is identical as the coping temperature of fining end 1, for 1400 DEG C or so (with fining end 1
Temperature of glass liquid is close), the flame of spray gun 2 is flat, and two spray guns 2 are air gun, and combustion-supporting gas is air, and fuel is
The air dosage of natural gas, two spray guns is 1500m3/hr。
There is no coagulation to drip the defect to be formed, glass in the glass smelting liquid that the melted glass process of the present embodiment obtains
Will not be generated because of the group segregation junction volatilized in melting furnaces the corrosion to furnace refractory structure and refractory material by
The particulate matter formed after erosion, which is delayed, falls caused glass defect.
Embodiment 2
The overlooking structure diagram for the glass melter that the present embodiment uses is as shown in Fig. 2, the glass melter includes：Clarification
Portion 1, spray gun 2, melting end 3, dog-hole 4, cooling end 5 and feed inlet 6.The melting end 3, fining end 1, dog-hole 4 and cooling
Portion 5 is sequentially connected, and fining end 1 is integrated space with melting end 3, and the side that fining end 1 is connect with dog-hole 4 is equipped with rear gable,
The both sides of fining end 1 are equipped with breastwork.
4 spray guns 2 are symmetrically arranged in pairs on the both sides breastwork of fining end 1, and spray gun 2 is higher than the distance of glass metal
For 1m, the installation site of the spray gun 2 nearest apart from 1 gable of fining end is at 1 gable horizontal distance 0.5m of fining end, homonymy
2 level interval 0.5m of spray gun, 4 spray guns 2 are total oxygen spray gun, and nozzle material is refractory material.The nozzle of 4 spray guns 2
Protrude from the inner surface of corresponding breastwork.
Side of the melting end 3 far from fining end 1 is equipped with feed inlet 6.The both sides of melting end 3 are equipped with spout or spray gun to heat
3 (not shown) of melting end.The glass melter is oxy-fuel glass furnace.
Glass is melted in the present embodiment as follows：
The raw material for preparing glass is added to from the feed inlet 6 positioned at upstream in glass melter provided in this embodiment,
3 heating of melting end prepares the raw material of glass, carries out fusing and glass metal is obtained by the reaction, open the spray gun of the fining end 1 of glass melter
2, the glass metal is eliminated into bubble in fining end 1, obtains defoaming glass metal, defoaming glass metal passes through dog-hole 4, in cooling
Portion 5 cools down, and obtaining viscosity in downstream meets the glass smelting liquid that molding needs.
Wherein, the flame temperature of spray gun 2 is identical as the coping temperature of fining end 1, for 1550 DEG C or so (with fining end 1
Temperature of glass liquid is close), the flame of spray gun 2 is flat, and 4 spray guns 2 are total oxygen spray gun, and combustion-supporting gas is oxygen, and fuel is
The flow of oxygen of natural gas, 4 spray guns is 250m3/hr。
There is no coagulation to drip the defect to be formed, glass in the glass smelting liquid that the melted glass process of the present embodiment obtains
Will not be generated because of the group segregation junction volatilized in melting furnaces the corrosion to furnace refractory structure and refractory material by
The particulate matter formed after erosion, which is delayed, falls caused glass defect.
Embodiment 3
The overlooking structure diagram for the glass melter that the present embodiment uses is as shown in figure 3, the glass melter includes：Clarification
Portion 1, spray gun 2, melting end 3, dog-hole 4, cooling end 5 and feed inlet 6.The melting end 3, fining end 1, dog-hole 4 and cooling
Portion 5 is sequentially connected, and fining end 1 is integrated space with melting end 3, and the side that fining end 1 is connect with dog-hole 4 is equipped with rear gable,
The both sides of fining end 1 are equipped with breastwork.
2 spray guns 2 are arranged in pairs on the rear gable of fining end 1, and spray gun 2 is 1m, 2 spray guns higher than the distance of glass metal
2 be total oxygen spray gun, and nozzle material is refractory material.In the rear gable of the equal retraction fining end of the nozzles of 2 spray guns 21.
Side of the melting end 3 far from fining end 1 is equipped with feed inlet 6.The both sides of melting end 3 are equipped with spout or spray gun to heat
3 (not shown) of melting end.The glass melter is oxy-fuel glass furnace.
Glass is melted in the present embodiment as follows：
The raw material for preparing glass is added to from the feed inlet 6 positioned at upstream in glass melter provided in this embodiment,
3 heating of melting end prepares the raw material of glass, carries out fusing and glass metal is obtained by the reaction, open the spray gun of the fining end 1 of glass melter
2, the glass metal is eliminated into bubble in fining end 1, obtains defoaming glass metal, defoaming glass metal passes through dog-hole 4, in cooling
Portion 5 cools down, and obtaining viscosity in downstream meets the glass smelting liquid that molding needs.
Wherein, the flame temperature of spray gun 2 is identical as the coping temperature of fining end 1, for 1550 DEG C or so (with fining end 1
Temperature of glass liquid is close), the flame of spray gun 2 is flat, and 2 spray guns 2 are total oxygen spray gun, and combustion-supporting gas is oxygen, and fuel is
The flow of oxygen of natural gas, 4 spray guns is 1000m3/hr。
There is no coagulation to drip the defect to be formed, glass in the glass smelting liquid that the melted glass process of the present embodiment obtains
Will not be generated because of the group segregation junction volatilized in melting furnaces the corrosion to furnace refractory structure and refractory material by
The particulate matter formed after erosion, which is delayed, falls caused glass defect.
Embodiment 4
The structure of the glass melter of the present embodiment is with reference to embodiment 2, and difference lies in 8 spray guns 2 are in the both sides of fining end 1
It is symmetrically arranged in pairs on breastwork, 4 is arranged per side, spray gun 2 is 0.8m, 2 water of homonymy spray gun higher than the distance of glass metal
The nozzle of flat spacing 0.3m, every spray gun 2 are mutually neat with the inner surface of corresponding breastwork.
The method of glass is melted with reference to embodiment 2 in the present embodiment, and difference lies in the flow of oxygen of 8 spray guns is 50m3/
hr。
There is no coagulation to drip the defect to be formed, glass in the glass smelting liquid that the melted glass process of the present embodiment obtains
Will not be generated because of the group segregation junction volatilized in melting furnaces the corrosion to furnace refractory structure and refractory material by
The particulate matter formed after erosion, which is delayed, falls caused glass defect.
Embodiment 5
The structure of the glass melter of the present embodiment is with reference to embodiment 1, and difference lies in 4 spray guns 2 are in the both sides of fining end 1
It is symmetrically arranged in pairs on breastwork, 2 is arranged per side, 2 level interval 0.8m of homonymy spray gun.
The method of glass is melted with reference to embodiment 1 in the present embodiment, and difference lies in the air dosage of 4 spray guns is
500m3/hr。
There is no coagulation to drip the defect to be formed, glass in the glass smelting liquid that the melted glass process of the present embodiment obtains
Will not be generated because of the group segregation junction volatilized in melting furnaces the corrosion to furnace refractory structure and refractory material by
The particulate matter formed after erosion, which is delayed, falls caused glass defect.
Embodiment 6
The structure of the glass melter of the present embodiment is same as Example 1.
The method of glass is melted with reference to embodiment 1 in the present embodiment, and difference lies in the air dosage of two spray guns is
2000m3/hr。
There is no coagulation to drip the defect to be formed, glass in the glass smelting liquid that the melted glass process of the present embodiment obtains
Will not be generated because of the group segregation junction volatilized in melting furnaces the corrosion to furnace refractory structure and refractory material by
The particulate matter formed after erosion, which is delayed, falls caused glass defect.
Comparative example 1
The structure of the glass melter of this comparative example is with reference to embodiment 1, and difference lies in the glass melter that this comparative example uses
Spray gun 2 is not provided in fining end 1.
The method of glass is melted with reference to embodiment 1 in this comparative example, and difference lies in be not turned on glass during glass is melted
The spray gun 2 of melting furnaces fining end 1.
As a result, have in the glass smelting liquid that the melted glass process of this comparative example obtains coagulation drip to be formed lack
It falls into, also the corrosion to furnace refractory structure and refractory material is caused because of the group segregation junction volatilized in glass melter
The particulate matter formed after suffering erosion, which is delayed, falls caused glass defect (such as phosphorus quartz).
Based on the above embodiments with comparative example it is found that glass melter provided by the invention is sprayed by being arranged in fining end
The volatile matter that glass fusion process generates is purged out melting furnaces, and can dilute these volatile matters by rifle, and it is dense in melting furnaces to reduce it
Degree, so that these volatile matters is not condensed on furnace refractory, extend the service life of glass melter, reduce maintenance at
This, and so that the volatile matter generated in melting process is not formed coagulation and is dropped onto and form defect in glass, it ensure that preparation
Raising glass smelting liquid quality.Comparative example does not have scheme using the present invention, thus can not obtain the effect of the present invention.
Applicant states that the present invention illustrates the method detailed of the present invention, but the present invention not office by above-described embodiment
It is limited to above-mentioned method detailed, that is, does not mean that the present invention has to rely on above-mentioned method detailed and could implement.Technical field
Technical staff it will be clearly understood that any improvement in the present invention, equivalence replacement and auxiliary element to each raw material of product of the present invention
Addition, the selection etc. of concrete mode, all fall within protection scope of the present invention and the open scope.
Claims (10)
1. a kind of glass melter, which is characterized in that include spray gun (2), the spray gun in the fining end (1) of the glass melter
(2) it is fixed in fining end.
2. glass melter according to claim 1, which is characterized in that the glass melter includes sequentially connected melting end
(3), fining end (1), dog-hole (4) and cooling end (5)；
Preferably, the fining end (1) of the glass melter is integrated space with melting end (3)；
Preferably, the side that the fining end (1) connect with dog-hole (4) is equipped with rear gable；
Preferably, the spray gun (2) is arranged on rear gable；
Preferably, the spray gun (2) is arranged in pairs on rear gable；
Preferably, the both sides of the fining end (1) are equipped with breastwork；
Preferably, the spray gun (2) is arranged on the breastwork of fining end (1) both sides；
Preferably, the spray gun (2) is arranged in pairs on the breastwork of fining end (1) both sides.
3. glass melter according to claim 1 or 2, which is characterized in that the spray gun (2) is in fining end (1) both sides
1-4 branch is set on breastwork per side；
Preferably, when spray gun (2) quantity >=2 on homonymy breastwork, homonymy spray gun (2) level interval 0.3-0.8m, preferably
For 0.5m.
4. according to claim 1-3 any one of them glass melters, which is characterized in that the mounting height of the spray gun (2) is high
In metal level 0.6-1m；
Preferably, when the spray gun (2) is arranged on the breastwork of fining end (1) both sides, the mounting height of spray gun (2) is higher than glass
Glass liquid level and be less than gable height；
Preferably, when the spray gun (2) is arranged on the breastwork of fining end (1) both sides and fining end (1) is connect with dog-hole (4)
Side when being equipped with rear gable, the horizontal distance of the installation site of spray gun (2) apart from fining end (1) gable afterwards is in 0.5m or more；
Preferably, the pipette tips of the spray gun (2) and glass melter inner surface be mutually neat, in retraction glass melter inner wall or protrudes from glass
Glass melting furnaces inner surface, the preferably pipette tips of spray gun (2) and glass melter inner surface are mutually neat.
5. according to claim 1-4 any one of them glass melters, which is characterized in that the nozzle material of the spray gun (2) is
Refractory material；
Preferably, the spray gun (2) is air gun and/or total oxygen spray gun.
6. according to claim 1-5 any one of them glass melters, which is characterized in that the glass-melting furnace further includes regenerative chamber
(7)；
Preferably, the regenerative chamber (7) is set to the both sides of the melting end (3) of glass-melting furnace, and with the fusing of glass-melting furnace
Portion (3) is connected；
Preferably, side of the melting end (3) of the glass-melting furnace far from fining end (1) is equipped with feed inlet (6).
7. a kind of method of melted glass, which is characterized in that the described method comprises the following steps：The raw material for preparing glass is added
Into glass melter as claimed in any one of claims 1 to 6, glass smelting is carried out, glass melter is opened in glass melting process
Fining end (1) spray gun (2), obtain viscosity meet clarification need glass melts.
8. the method according to the description of claim 7 is characterized in that the flame temperature of the spray gun (2) and the fining end (1)
Head temperature it is identical；
Preferably, the flame of the spray gun (2) is flat；
Preferably, when the spray gun (2) is air gun, the combustion-supporting gas of spray gun (2) is air, and spray gun (2) fuel is natural
Gas；
Preferably, when the spray gun (2) is air gun, the air dosage of every spray gun (2) is 500-2000m3/hr；
Preferably, when the spray gun (2) is total oxygen spray gun, the combustion-supporting gas of spray gun (2) is oxygen, and spray gun (2) fuel is natural
Gas；
Preferably, when the spray gun (2) is total oxygen spray gun, the flow of oxygen of every spray gun (2) is 50-1000m3/ hr, preferably
For 250m3/hr。
9. method according to claim 7 or 8, which is characterized in that it is described carry out glass smelting method be：It is prepared by heating
The raw material of glass, carries out fusing and glass metal is obtained by the reaction, and the glass metal is eliminated bubble in fining end (1), is defoamed
Glass metal, the cooling defoaming glass metal obtain viscosity and meet the glass smelting liquid that molding needs.
10. according to claim 7-9 any one of them methods, which is characterized in that the described method comprises the following steps：
The raw material for preparing glass is added in glass melter as claimed in any one of claims 1 to 6, is heated in melting end (3)
The raw material of glass is prepared, fusing is carried out and glass metal is obtained by the reaction, the spray gun (2) of the fining end of glass melter is opened, by the glass
Glass liquid eliminates bubble in fining end (1), obtains defoaming glass metal, in the cooling defoaming glass metal of cooling end (5), is glued
Degree meets the glass smelting liquid that molding needs；
Wherein, the flame temperature of the spray gun (2) is identical as the head temperature of the fining end (1), and the flame of spray gun (2) is flat
It is flat-shaped；
When the spray gun (2) is air gun, the combustion-supporting gas of spray gun (2) is air, and spray gun (2) fuel is natural gas, every
The air dosage of spray gun (2) is 500-2000m3/hr；
When the spray gun (2) is total oxygen spray gun, the combustion-supporting gas of spray gun (2) is oxygen, and spray gun (2) fuel is natural gas, every
The flow of oxygen of spray gun (2) is 250m3/hr。
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| CN109264965A (en) * | 2018-12-01 | 2019-01-25 | 卢爱民 | Environment-friendly high-efficiency energy-saving stores heat exchange type glass-melting furnace |
| CN112919775A (en) * | 2021-04-25 | 2021-06-08 | 中国建材桐城新能源材料有限公司 | Stepped kiln pool of flat glass transverse flame melting kiln |
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| CN112919775A (en) * | 2021-04-25 | 2021-06-08 | 中国建材桐城新能源材料有限公司 | Stepped kiln pool of flat glass transverse flame melting kiln |
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| Publication number | Publication date |
|---|---|
| CN108751674B (en) | 2022-01-18 |
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