CN101659512A - Glass melting furnace - Google Patents
Glass melting furnace Download PDFInfo
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- CN101659512A CN101659512A CN200810118843A CN200810118843A CN101659512A CN 101659512 A CN101659512 A CN 101659512A CN 200810118843 A CN200810118843 A CN 200810118843A CN 200810118843 A CN200810118843 A CN 200810118843A CN 101659512 A CN101659512 A CN 101659512A
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- melting furnace
- smelting furnace
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Abstract
The invention discloses a glass melting furnace, which comprises a melting furnace chamber enclosed by the wall of the melting furnace, a crucible, a feeding hole, a baffle and a liquid outlet pipe which are arranged in the melting furnace chamber, and a heating device arranged in the melting furnace chamber and outside the crucible; the top of the crucible is open; a cover plate is suspended above the open of the crucible; the longitudinal section line of the cover plate is provided with a pole, and gradually approaches the crucible from the pole; edges of the cover plate extend out of the edge of the open; the side wall of the melting furnace is provided with a support frame; and the edges of the cover plate are lapped onto the support frame. The separate crucible of which the top is open and the high corrosion resistant cover plate with low price form an enclosed structure to achieve the aims of simplifying a structure of a crucible of a platinum glass melting furnace in the prior art, saving platinum consumption and reducing production cost.
Description
Technical field
The present invention relates to field of glass production technology, relate in particular to a kind of glass-melting furnace.
Background technology
As everyone knows, in the electronic product assembling process, the glass powder with low melting point that is used for its bonding processing is absolutely necessary, and glass powder with low melting point is to pulverize the product that processes by low melting glass.At present, the glass smelting technology of making low melting glass adopts electrically heated to found technology and technology is founded in the oil gas heating mostly.Found technology than oil gas heating, the glass-melting furnace volume that the electrically heated technology of founding adopts is little, stable performance, reliability height, is present state-of-the-art glass smelting technology.
Because it is all higher that manufacturing low melting glass desired raw material contains the amount of low-melting metal oxide and nonmetal oxide, for example plumbous oxide, Vanadium Pentoxide in FLAKES etc., and these raw materials all can have very strong corrodibility when high temperature, therefore utilize the electrically heated technology of founding make fusing point low, when containing the glass of severe corrosive element, adopt the platinum of characteristics such as having the fusing point height, high temperature resistant and erosion resistance is strong to make the glass-melting furnace crucible usually.Generally be enclosed to form a smelting furnace chamber, the glass-melting furnace crucible is arranged in the smelting furnace chamber, also be provided with heating unit in the smelting furnace chamber, be used for outside the glass-melting furnace crucible, forming hot environment and heat by furnace wall.Existing platinum is made in the technology of glass-melting furnace crucible, be generally the enclosed construction of welding fabrication.Fig. 1 is arranged on the structural representation of the totally-enclosed platinum glass-melting furnace crucible in the smelting furnace chamber for prior art, as shown in Figure 1, the totally-enclosed platinum glass-melting furnace crucible of welding fabrication is made up of charging opening 1, crucible 2, baffle plate 3 and drain pipe 4 in the prior art, and each parts are the platinum material and make.In the process of melting glass, frit is joined the crucible 2 from opening for feed 1, heating units such as crucible 2 outer employing globarss form hot environment crucible 2 are heated, make frit be molten into liquid, baffle plate 3 can stop not the frit of fusing fully, the glass metal of fusing will flow to the upper port of drain pipe 4 from baffle plate 3 belows, derive from drain pipe 4 again.In this course of processing, the highly corrosive element in the glass metal can form steam, for example forms plumbous oxide steam, and plumbous oxide steam can be attached to the top of crucible 2, so crucible must be totally enclosed.
Though the Totally-enclosed-type glass-melting furnace crucible made from platinum can be resisted the deep-etching that frit is brought when high temperature, the materials amount of platinum is big, moreover platinum costs an arm and a leg, therefore the Totally-enclosed-type glass-melting furnace crucible cost height made from platinum.Simultaneously for the fraction defective that prevents to produce in the glass smelting process increases, the Totally-enclosed-type glass-melting furnace crucible made from platinum also needs regularly to melt down and reproduces, and this has further increased cost undoubtedly again.
Summary of the invention
The objective of the invention is the problem that involves great expense at the Totally-enclosed-type glass-melting furnace crucible made from platinum in the prior art, propose a kind of improvement structure of glass-melting furnace.
For achieving the above object, the invention provides a kind of glass-melting furnace, comprise the smelting furnace chamber that furnace wall is enclosed to form, be arranged on crucible, opening for feed, baffle plate and drain pipe in the smelting furnace chamber, and be arranged on the outer heating unit of crucible in the smelting furnace chamber, wherein,
The top of described crucible is uncovered for what open;
The uncovered top of described crucible is hung with cover plate, has a limit on the longitudinally cutting line of described cover plate, and described longitudinally cutting line begins to draw close to described crucible direction gradually from described limit;
The edge of described cover plate extends described open edge.
The material of described cover plate is electric fused zirconium corundum or aluminum oxide.Also be provided with bracing frame on the smelting furnace sidewall, the edge of described cover plate is set up on support frame as described above.
Described opening for feed is that double-layer stainless steel encloses the cylindrical body that forms, and feeds the round-robin cooling fluid in the interlayer of described double-layer stainless steel, is used for the frit of opening for feed is cooled off.
As shown from the above technical solution, the present invention forms the structure of sealing by the cover plate of open open pot in independent top and the relatively low material of price, reach the structure of simplifying platinum glass-melting furnace crucible in the prior art, saved the platinum consumption, the purpose that reduces production costs.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is arranged on the structural representation of the totally-enclosed platinum glass-melting furnace crucible in the smelting furnace chamber for prior art;
Fig. 2 is the one-piece construction representative side section view of glass-melting furnace specific embodiment one of the present invention;
Fig. 3 is the one-piece construction representative side section view of glass-melting furnace specific embodiment two of the present invention;
Fig. 4 is the one-piece construction representative side section view of glass-melting furnace specific embodiment three of the present invention;
Fig. 5 is the structural representation of crucible in the glass-melting furnace specific embodiment four of the present invention;
Fig. 6 is the structural representation of opening for feed in the glass-melting furnace specific embodiment five of the present invention.
Description of reference numerals:
1-charging opening 2-crucible 3-baffle plate 4-drain pipe
5-crucible 6-cover plate 7-bracing frame 8-baffle plate
9-drain pipe 10-heating carbon-point 11-retort furnace 12-opening for feed
The outer barrel 63-of 61-internal layer barrel 62-water-in 64-water outlet
Embodiment
Glass-melting furnace embodiment one
Fig. 2 is the one-piece construction representative side section view of glass-melting furnace specific embodiment one of the present invention.As shown in Figure 2, this glass-melting furnace of present embodiment comprises the smelting furnace chamber that furnace wall is enclosed to form, it is retort furnace 11, be arranged on crucible 5, opening for feed 12, baffle plate 8 and drain pipe 9 in the smelting furnace chamber, and be arranged on the outer heating unit of crucible in the smelting furnace chamber, promptly heat carbon-point 10.
Particularly, the top of crucible 5 is uncovered for what open; The uncovered top of crucible 5 is hung with cover plate 6, and the material of cover plate can be high corrosion resistance materials such as electric fused zirconium corundum or aluminum oxide.Have a limit on the longitudinally cutting line of cover plate 6, and the longitudinally cutting line begins to draw close to crucible 5 directions gradually from limit; The edge of cover plate 6 extends open edge.So-called longitudinally cutting line, i.e. the cover plate section line that obtains behind the longitudinally cutting cover plate 6.In the present embodiment, the longitudinally cutting line of cover plate 6 can be specially the straight line that is inclined relative to horizontal an angle, and a slant range crucible end farthest is a limit.
In the process of making low melting glass, low melting glass raw material in the crucible 5 is along with the continuous rising of Heating temperature, can form severe corrosive steam, for example form plumbous oxide steam, plumbous oxide steam upwards volatilizees to corrode other glass-melting furnace structure from crucible 5.Be provided with the cover plate 6 of material in the present embodiment, cooperate crucible 5 to form the structure of relative closure with erosion resistance.When the steam of severe corrosive runs into relatively cryogenic cover plate 6, can condense into liquid state, flow down along the scarp of cover plate 6, moreover along with the transformation from the steam state to the liquid state, its temperature also reduce accordingly, so its corrodibility also weakens widely.
In the present embodiment, can be provided with bracing frame 7 on the smelting furnace sidewall, bracing frame 7 is two same structures that height is different, and the edge of cover plate 6 is set up on bracing frame 7, wherein the concrete structure of bracing frame 7 can be the right angle draw-in groove for an end, and the other end is fixed on the smelting furnace sidewall.The straight line of cover plate 6 longitudinally cutting lines and the angle between the horizontal plane are preferably disposed on more than or equal in 5 degree and the scopes smaller or equal to 30 degree, so that the condensation glass metal can be expeditiously flow in the diversion trench along the scarp of cover plate 6.
The below at cover plate 6 edges can also be provided with diversion trench, and particularly, diversion trench vertically runs through and is arranged in the lower bracing frame 7 overlapping edges of the upper end of diversion trench and cover plate 6.In glass-melting furnace, if the liquid condensation glass metal of plumbous oxide vapor condenses is trapped in the glass-melting furnace bottom, soak 11 of retort furnaces and can accelerate to corrode retort furnace 11, cause obviously shorten the work-ing life of retort furnace 11, therefore diversion trench is communicated to outside the smelting furnace chamber, is used to guide the corrodibility of adhering on the cover plate 6 drop, as the condensation glass metal, flow to outside, smelting furnace chamber, stretch out outside the smelting furnace chamber from the export mouth that the smelting furnace diapire in smelting furnace chamber is provided with the lower end of diversion trench for this reason.
Moreover, since from plumbous oxide steam to the condensation glass metal, its temperature obviously reduces, its corrodibility also reduces widely thereupon, for the condensation glass metal that temperature has been reduced is heated again, heating unit promptly can be heated the middle part that carbon-point 10 is arranged on crucible 5 outsides, the condensation glass metal flows down along vertically running through the diversion trench that is arranged in the bracing frame 7, along with its temperature that flows of condensation glass metal further reduces, therefore the furnace wall of retort furnace 11 is not had yet too many corrosion-damagedly, retort furnace 11 is flowed out in the diversion trench lower end that the export mouth that last condensation glass metal is provided with along the smelting furnace diapire from the smelting furnace chamber stretches out outside the smelting furnace chamber.
Present embodiment is by open open crucible in top and the relatively low cover plate combination formation glass-melting furnace crucible with corrosion resistant material of price.Cover plate longitudinally cutting line can be specially the straight line that is inclined relative to horizontal an angle, and a slant range crucible end farthest is a limit.Said structure has been simplified the structure of the totally-enclosed platinum glass-melting furnace crucible of welding fabrication in the prior art greatly, the top that does not need original Platinum crucible, saved and be equivalent to original about 1/3 platinum consumption, reduced production cost, simultaneously crucible is melted down to reproduce operation to become simple, shortened the cycle that crucible puts into production again.
Glass-melting furnace embodiment two
Fig. 3 is the one-piece construction representative side section view of glass-melting furnace specific embodiment two of the present invention; As shown in Figure 3, glass-melting furnace of the present invention comprises that equally the smelting furnace chamber that furnace wall is enclosed to form is a retort furnace 11, be arranged on crucible 5, opening for feed 12, baffle plate 8 and drain pipe 9 in the smelting furnace chamber, and be arranged on the outer heating unit of crucible in the smelting furnace chamber, promptly heat carbon-point 10.
Present embodiment and the foregoing description one difference are: the longitudinally cutting line of cover plate 6 can be the broken line of two rectilinear(-al)s, spends less than 180 towards the angle of crucible between two straight lines, and two collinear intersection points are limit; The edge of cover plate 6 extends open edge.In actual production is made, can adopt two dull and stereotyped overlap joints or welding to form the cover plate 6 of above-mentioned bending.
In the present embodiment, also be provided with bracing frame 7 on the smelting furnace sidewall, bracing frame 7 is two same structures that height is identical, and the edge of cover plate 6 is set up on bracing frame 7, wherein the concrete structure of bracing frame 7 also can be for an end be the right angle draw-in groove, and the other end is fixed on the smelting furnace sidewall.Angle in two straight lines of cover plate 6 longitudinally cutting lines between arbitrary one and the horizontal plane is preferably disposed on more than or equal in 5 degree and the scopes smaller or equal to 30 degree, so that the condensation glass metal can be expeditiously flow to outside the crucible 5 along the scarp of cover plate 6.
Present embodiment is by open open crucible in top and the relatively low cover plate combination formation glass-melting furnace crucible with corrosion resistant material of price.Cover plate longitudinally cutting line is specifically as follows two straight lines, spends less than 180 towards the angle of crucible between two straight lines, and two collinear intersection points are limit.Said structure has been simplified the structure of the totally-enclosed platinum glass-melting furnace crucible of welding fabrication in the prior art, saved and be equivalent to original about 1/3 platinum consumption, reduce production cost, simultaneously crucible has been melted down to reproduce operation to become simple, shortened the cycle that crucible puts into production again.
Glass-melting furnace embodiment three
Fig. 4 is the one-piece construction representative side section view of glass-melting furnace specific embodiment three of the present invention.As shown in Figure 4, glass-melting furnace of the present invention comprises that equally the smelting furnace chamber that furnace wall is enclosed to form is a retort furnace 11, is arranged on crucible 5, opening for feed 12, baffle plate 8 and drain pipe 9 in the smelting furnace chamber, and is arranged on the outer heating unit of crucible in the smelting furnace chamber, promptly heat carbon-point 10
The difference of present embodiment and the foregoing description one is: the longitudinally cutting line of cover plate 6 can also be para-curve or circular arc line, and para-curve or circular arc line are limit apart from crucible point farthest; The edge of cover plate 6 extends open edge.
In the present embodiment, also be provided with bracing frame 7 on the smelting furnace sidewall, bracing frame 7 is two same structures that height is identical, and the edge of cover plate 6 is set up on bracing frame 7, wherein the concrete structure of bracing frame 7 also can be for an end be the right angle draw-in groove, and the other end is fixed on the smelting furnace sidewall.Angle in two straight lines of cover plate 6 longitudinally cutting lines between arbitrary one and the horizontal plane is preferably disposed on more than or equal in 5 degree and the scopes smaller or equal to 30 degree, so that the condensation glass metal can be expeditiously flow to outside the crucible 5 along the scarp of cover plate 6.
Present embodiment is by open open crucible in top and the relatively low cover plate combination formation glass-melting furnace crucible with corrosion resistant material of price.Cover plate longitudinally cutting line can also be para-curve or circular arc line, para-curve or circular arc line are limit apart from crucible point farthest, said structure has been simplified the structure of the totally-enclosed platinum glass-melting furnace crucible of welding fabrication in the prior art, saved and be equivalent to original about 1/3 platinum consumption, reduced production cost, simultaneously crucible is melted down to reproduce operation to become simple, shortened the cycle that crucible puts into production again.
Glass-melting furnace embodiment four
Fig. 5 is the structural representation of crucible in the glass-melting furnace specific embodiment four of the present invention; As shown in Figure 5, crucible 5 comprises baffle plate 8 and the drain pipe 9 with crucible 5 welding fabrications.Crucible 5 is the semicylinder of horizontal positioned, and cuts along the right cylinder axial cross section, and its top is for open uncovered.Perhaps crucible 5 also can be open open rectangular parallelepiped for other tops.Baffle plate 8 is used for blocking the solid material that swims in the not complete reaction on the glass melt, stops up drain pipe 9 to prevent that the solid material of complete reaction does not flow with glass melt, and glass melt can not successfully be flowed out from drain pipe 9.
Present embodiment is by the open open pot in top, avoided having reduced cost owing to the waste of making the platinum that totally-enclosed crucible causes.
Glass-melting furnace embodiment five
Fig. 6 is the structural representation of opening for feed in the glass-melting furnace specific embodiment five of the present invention.As shown in Figure 6, opening for feed 12 is that double-layer stainless steel encloses the cylindrical body that forms, and feeds the round-robin cooling fluid in the interlayer of double-layer stainless steel, is used for the frit of opening for feed is cooled off.
Particularly, feeding unit comprises internal layer barrel 61 and outer barrel 62, and internal layer barrel 61 is used for feeding the charging of frit raw material to glass pot.Form enclosed construction between internal layer barrel 61 and the outer barrel 62.The wall of outer barrel 62 is provided with water-in 63 and water outlet 64, is enclosed construction between internal layer barrel 61 and the outer barrel 62, is used for feeding circulating cooling liquid to this enclosed construction, and this cooling fluid generally is water coolant.
Present embodiment is by filling with quick mobile water quench liquid between the internal layer barrel of feeding unit and outer barrel, reduced the temperature of internal layer barrel and outer barrel, make the raw material raw material when the internal layer barrel enters glass pot, can melted by heat, efficiently solve after the raw material raw material melted by heat etching problem to feeding unit, thereby make feeding unit can adopt the lower materials of price such as stainless steel to make, reduced production cost.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (11)
1, a kind of glass-melting furnace comprises the smelting furnace chamber that furnace wall is enclosed to form, and is arranged on crucible, opening for feed, baffle plate and drain pipe in the smelting furnace chamber, and is arranged on the outer heating unit of crucible in the smelting furnace chamber, it is characterized in that:
The top of described crucible is uncovered for what open;
The uncovered top of described crucible is hung with cover plate, has a limit on the longitudinally cutting line of described cover plate, and described longitudinally cutting line begins to draw close to described crucible direction gradually from described limit;
The edge of described cover plate extends described open edge.
2, glass-melting furnace according to claim 1 is characterized in that: the longitudinally cutting line of described cover plate is the straight line that is inclined relative to horizontal an angle, and the described crucible of a described slant range end farthest is described limit.
3, glass-melting furnace according to claim 1 is characterized in that: the longitudinally cutting line of described cover plate is the broken line of two rectilinear(-al)s, spends less than 180 towards the angle of described crucible between two described straight lines, and two described collinear intersection points are described limit.
4, glass-melting furnace according to claim 1 is characterized in that: the longitudinally cutting line of described cover plate is para-curve or circular arc line, and described para-curve or the circular arc line described crucible of distance point farthest are described limit.
5, according to the described arbitrary glass-melting furnace of claim 1～4, it is characterized in that: the material of described cover plate is electric fused zirconium corundum or aluminum oxide.
6, glass-melting furnace according to claim 1 is characterized in that: also be provided with bracing frame on the smelting furnace sidewall, the edge of described cover plate is set up on support frame as described above.
7, glass-melting furnace according to claim 6 is characterized in that: an end of support frame as described above is the right angle draw-in groove, and the other end is fixed on the described smelting furnace sidewall.
8, according to claim 1 or 6 described glass-melting furnaces, it is characterized in that: the below of described side edge thereof also is provided with diversion trench, described diversion trench is communicated to outside the described smelting furnace chamber, is used to guide the corrosive liquid drip that adheres on the described cover plate and arrives outside, described smelting furnace chamber.
9, glass-melting furnace according to claim 8 is characterized in that: described diversion trench runs through and is arranged in the support frame as described above upper end of described diversion trench and the overlapping edges of described cover plate.
10, glass-melting furnace according to claim 8 is characterized in that: described heating unit is arranged on the middle part in the described crucible outside; Described diversion trench vertically is provided with, and stretch out outside the described smelting furnace chamber from the export mouth that the smelting furnace diapire in described smelting furnace chamber is provided with the lower end of described diversion trench.
11, glass-melting furnace according to claim 1 is characterized in that: described opening for feed is that double-layer stainless steel encloses the cylindrical body that forms, and feeds the round-robin cooling fluid in the interlayer of described double-layer stainless steel, is used for the frit of opening for feed is cooled off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118843A CN101659512A (en) | 2008-08-25 | 2008-08-25 | Glass melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810118843A CN101659512A (en) | 2008-08-25 | 2008-08-25 | Glass melting furnace |
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| Publication Number | Publication Date |
|---|---|
| CN101659512A true CN101659512A (en) | 2010-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810118843A Pending CN101659512A (en) | 2008-08-25 | 2008-08-25 | Glass melting furnace |
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| CN (1) | CN101659512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395074A (en) * | 2018-04-10 | 2018-08-14 | 湖北新华光信息材料有限公司 | A kind of glass stock crucible and stock method |
-
2008
- 2008-08-25 CN CN200810118843A patent/CN101659512A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108395074A (en) * | 2018-04-10 | 2018-08-14 | 湖北新华光信息材料有限公司 | A kind of glass stock crucible and stock method |
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Open date: 20100303 |