CN202849234U - Device for prolonging service life of electric melting furnace - Google Patents
Device for prolonging service life of electric melting furnace Download PDFInfo
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- CN202849234U CN202849234U CN201220479693.3U CN201220479693U CN202849234U CN 202849234 U CN202849234 U CN 202849234U CN 201220479693 U CN201220479693 U CN 201220479693U CN 202849234 U CN202849234 U CN 202849234U
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- tin oxide
- oxide electrode
- melting furnace
- electric melting
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Abstract
The utility model discloses a device for prolonging service life of an electric melting furnace. The device comprises an electric melting furnace (1), wherein a first tin oxide electrode (2) is arranged on the electric melting furnace (1); a connecting rod (6) passes through a water cooling plate (4) and a second tin oxide electrode (3) and is fixed on the first tin oxide electrode (2); an electrode jacking device (5) is provided with an insulation plate (7), and the second tin oxide electrode (3) is placed on the insulation plate (7). According to the device for prolonging the service life of the electric melting furnace disclosed by the utility model, a new tin oxide electrode is adhered to the back side of the first tin oxide electrode, and is tightly contacted with the first tin oxide electrode by applying pressure, so that the tin oxide electrode can be replaced under conditions of not blowing down or discharging, the problems of blowing down, power cut, temperature reducing and discharging in the prior art can be solved, cost can be reduced, loss can be reduced, production is not interrupted, and the service life of the electric melting furnace is effectively prolonged.
Description
Technical field
The utility model belongs to glass substrate processing and manufacturing technical field, relates to a kind of electric melting furnace device in work-ing life that prolongs.
Background technology
In the TFT-LCD base plate glass was produced, glass melter was one of the most key equipment, plays a part high temperature melting glass powder and predefecation homogenizing.Fusing mode commonly used has flame kiln, electric melting furnace or mixes kiln several.But in order to reach desirable technological effect more employing flame kiln and the kiln design of electric melting furnace mixing, with the heating of combustion of natural gas as kiln top, use tin oxide electrode with the electric melting furnace type of heating of glass metal as the heating conductor loading current.
Adopt the electric smelting heating technique of glass furnace to mainly contain following characteristics: (1) can improve the glass melting rate significantly, compares large-scale fuel oil glass furnace, and electric smelting system kiln melting rate can improve 30%---50%.(2) refining quality of raising glass.This is to have improved because the temperature height of electric melting furnace has been strengthened the mobile homogeneity of glass metal that makes of glass metal.In glass metal, introduce the temperature that electric energy improves glass metal, thus the reduced viscosity of glass metal, clarifying process is accelerated, and the gas volume that is dissolved in the glass metal significantly reduces, and this is to the shaping of glass and be processed with desirable influence.(3) the electric smelting device is particularly useful for the liquid crystal substrate glass of infusibility.By electrode array and the power-distribution design to glass furnace, according to the heat effect principle of resistance, two interelectrode glass metals will generate heat, and have just formed glass metal stream, and integral body has improved the whole temperature of glass liquid of melting furnaces inside, promote the clarification and homogenization of glass.
In glass electric melting furnace used, the general employing organized the tin oxide electrode structures more, and tin oxide electrode can continue to consume under the working conditions of the large electric current of high temperature.According to electric melting furnace service condition for many years, the consumption of tin oxide electrode every day is calculated with length and the loss of electrode about 0.5---0.7mm, and approximately 18 months to 24 months consumption of electrodes totally.After the tin oxide electrode approach exhaustion, just mean that the glass furnace life-span expires.Existing repairing kiln mode is necessary blowing out outage cooling discharging, removes kiln and rebuilds.After removing kiln, scrap after Zhuan, Xuan brick is removed at the bottom of more intact tank block, the pond in the kiln, also have many steel construction all must to remove or change around the body of heater, the repairs cost is higher, and the repair cycle is long.Because the platinum channel after the kiln is difficult to guarantee its integrity after discharging, also must remove reconstruction simultaneously, platinum channel is to be worth the most expensive key equipment in this line body, and reconstructed cost is very high.Because the repairing cost of whole kiln and passage is large, servicing time is long, and this brings with regard to the operation of giving whole glass substrate production and company and seriously influences.How effectively prolonging furnace service life, making the nucleus equipment system maximum economic benefit of performance is an extremely urgent problem.
The utility model content
The technical problem that the utility model solves is to provide a kind of electric melting furnace device in work-ing life that prolongs, in the situation that not blowing out, not discharging, the work-ing life of electric melting furnace can effectively be prolonged, and it is short time of recovery to have reduced disadvantageous effect, technique that electric melting furnace equipment is produced.
The utility model is to be achieved through the following technical solutions:
A kind of electric melting furnace device in work-ing life that prolongs comprises electric melting furnace; Be provided with the first tin oxide electrode on the described electric melting furnace; Union lever passes water cooling plate and the second tin oxide electrode is fixed on the first tin oxide electrode; Be placed with insulcrete on the electrode jacking apparatus, the second tin oxide electrode is positioned on the insulcrete.
Be respectively arranged with four silk holes on described the first tin oxide electrode, the second tin oxide electrode.
Offer via hole on the described water cooling plate; Also be provided with cooling water inlet pipe, water coolant water inlet pipe and water outlet pipe on the described water cooling plate.
Described union lever is band silk screw rod; Band silk screw rod passes the via hole on the water cooling plate successively, and the silk hole on the second tin oxide electrode, is fixed on the silk hole of the first tin oxide electrode.
By the nut that is complementary with band silk screw rod, the first tin oxide electrode, the second tin oxide electrode and water cooling plate are fixed.
Also be provided with resistant to elevated temperatures cable on the described union lever.
Described electrode jacking apparatus comprises: base plate, and top board is connected with base plate by positioning screw rod, and described floor below also is provided with the roller for the sliding electrode jacking apparatus.
Described base plate and top board are metal sheet, and the positioning tie bar number is four, and it is arranged at respectively four edges of base plate.
Described positioning screw rod passes the first nut and is connected with base plate, and by the second nut positioning screw rod is fixed.
Change the height of top board by the positioning screw rod in the adjusting electrode jacking apparatus, the first tin oxide electrode, the second tin oxide electrode are on the same level.
Compared with prior art, the utlity model has following useful technique effect:
The utility model provides a kind of electric melting furnace device in work-ing life that prolongs, and is intended to prolong the work-ing life of the key part tin oxide electrode of electric melting furnace, after the tin oxide electrode approach exhaustion, removes the cost of changing very high.Therefore this device is by second tin oxide electrode that reclines of the back at the first tin oxide electrode, and by close contact the first tin oxide electrode of exerting pressure, namely by lengthening that tin oxide electrode length has realized in the situation that not blowing out, not discharging finish the replacing to tin oxide electrode, thereby effectively prolong the work-ing life of electric melting furnace.In the situation that preparation work puts in place, the activity duration was controlled in 24 hours, electric melting furnace equipment was not had a negative impact, and finished in 3---5 days.Like this, time of recovery, the short disadvantageous effect that electric melting furnace equipment is produced that reduced.
Adopt this device can make TFT-LCD glass substrate furnace service life prolong 10-12 months, filled up the technological gap in domestic and international this field.But the kiln life of the application Effective Raise of this technology more than 50% has the very meaning of reality, can significantly lower the brickwork cost that liquid crystal glass base is produced, and also can be that liquid crystal glass base manufacturing enterprise obtains good economic benefit.
Description of drawings
The apparatus structure schematic diagram in Fig. 1 provides for the utility model prolongation electric melting furnace work-ing life;
The electrode jacking apparatus structural representation one that Fig. 2 provides for the utility model;
The electrode jacking apparatus structural representation two that Fig. 3 provides for the utility model;
The electrode jacking apparatus structural representation three that Fig. 4 provides for the utility model.
Wherein: 1 is electric melting furnace; 2 is the first tin oxide electrode; 3 is the second tin oxide electrode; 4 is water cooling plate; 5 is the electrode jacking apparatus; 51 is base plate; 52 is positioning screw rod; 53 is top board; 54 is roller; 55 is the first nut; 56 is the second nut; 6 is web member; 7 is insulcrete; 8 is the via hole on the cooled plate; 9 is the silk hole on the first tin oxide electrode and the second tin oxide electrode; 10 is cooling water inlet pipe; 11 is cooling water outlet pipe; 12 is cable.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Because electrode mounting means and the basic structure of former electric melting furnace, when using approximately about 3 months, will after being advanced to the limitation of length, tin oxide electrode will carry out the blowing out cold repair to the operation of tin oxide electrode actualize, and repair cost is very expensive.Therefore the utility model proposes following technical scheme, realize when not blowing out, prolonging the tin oxide electrode life-span.
Referring to Fig. 1, a kind of electric melting furnace device in work-ing life that prolongs comprises electric melting furnace 1; Be provided with the first tin oxide electrode 2 on the described electric melting furnace 1; Union lever 6 passes water cooling plate 4 and the second tin oxide electrode 3 is fixed on the first tin oxide electrode 2; Being placed with insulcrete 7, the second tin oxide electrodes 3 on the electrode jacking apparatus 5 is positioned on the insulcrete 7.
Need to prove, the first tin oxide electrode 2 is old tin oxide electrode or the former tin oxide electrode in the electric melting furnace, the second tin oxide electrode 3 is the new tin oxide electrode in the electric melting furnace, by union lever 6 cooling water plate 4 and new tin oxide electrode are fixed on the former tin oxide electrode, by increasing new tin oxide electrode at former tin oxide electrode, solve the outage of the blowing out after tin oxide electrode is finished cooling discharging in the prior art, remove kiln and rebuild.
In addition, by the device that the utility model adopts, also solved the problem that platinum channel after the kiln also must be removed reconstruction of removing simultaneously.Because platinum channel is to be worth the most expensive key equipment in this production line, reconstructed cost is very high.Therefore, must avoid as much as possible kiln to repair the problem of bringing platinum channel to repair.Adopt this method can prolong the life-span of electric melting furnace, the kiln glass solution does not need discharging yet, because platinum channel and kiln are connected together, platinum channel also can keep its integrity.
Further, be respectively arranged with four silk holes 9 on the first tin oxide electrode 2, the second tin oxide electrode 3; Offer via hole 8 on the water cooling plate 4; Also be provided with cooling water inlet pipe 10, water coolant water inlet pipe and water outlet pipe 11 on the described water cooling plate 4.
During use, in the water inlet pipe 10 of cooling water plate, pass into water, come the first tin oxide electrode 2 and second tin oxide electrode 3 of heating are carried out cooling process.Further, by at the first tin oxide electrode and the second tin oxide electrode 3 hole being set, at water cooling plate 4 via hole is set, making it can be connected bar 6 well is fixed up, but to the number in hole thereon, preferably four, because the first tin oxide electrode 2, the second tin oxide electrode 3 are the rectangle tin oxide electrodes that formed by a plurality of little tin oxide electrode stack combinations, therefore the combination of rectangle tin oxide electrode selects four holes to connect, and can guarantee its good combination, firm fixing.
Concrete, union lever 6 is band silk screw rod; Band silk screw rod passes the via hole 8 on the water cooling plate 4, and the silk hole 9 on the second tin oxide electrode 3, is fixed on the silk hole 9 of the first tin oxide electrode 2.
Further, by the nut that is complementary with band silk screw rod, that the first tin oxide electrode 2, the second tin oxide electrode 3 and water cooling plate 4 is fixing.
In addition, also be provided with resistant to elevated temperatures cable 12 on the union lever 6.
Concrete, union lever 6 is band silk screw rod in this device, twines on the band silk screw rod and is provided with resistant to elevated temperatures cable 12, during use, passes into electric current in Pyrotenax 12, the electric power of finishing electric melting furnace loads.
Further, referring to Fig. 2,3,4, electrode jacking apparatus 5 comprises: base plate 51, and top board 53 is connected with base plate 51 by positioning screw rod 52, and described base plate 51 belows also are provided with the roller 54 for sliding electrode jacking apparatus 5.
Wherein, base plate 51 is metal sheet with top board 53, and positioning screw rod 52 numbers are four, and it is arranged at respectively four edges of base plate 51, and positioning screw rod 52 passes the first nut 55 and is connected with base plate 51, and by the second nut 56 that positioning screw rod 52 is fixing.
During actual installation, change the height of top board 53 by the positioning screw rod 52 in the adjusting electrode jacking apparatus 5, the first tin oxide electrode 2, the second tin oxide electrode 3 are on the same level; By nut that water cooling plate 4, the first tin oxide electrode 2 and the second tin oxide electrode 3 is fixing.
Wherein, can be according to the height of the first tin oxide electrode 2 during use, regulate the first nut 55 in the positioning screw rod 52, determine the height of electrode jacking apparatus 5 by the first nut 55, the second tin oxide electrode 3 and the first tin oxide electrode 2 that are positioned on the electrode jacking apparatus 5 are on the same level, then by the second nut 56 that positioning screw rod 52 is fixing.
Concrete, at first place insulcrete 7 at electrode jacking apparatus 5, the second tin oxide electrode 3 is being positioned on the electrode jacking apparatus 5, positioning screw rod 52 in the adjusting electrode jacking apparatus 5 is regulated the height of top board 53, make the first tin oxide electrode 2 and the second tin oxide electrode 3 be positioned at same level, then the roller 54 that promotes on the electrode jacking apparatus 5 slides into the first tin oxide electrode 2 places with the second tin oxide electrode 3, by being with the silk screw rod with the first tin oxide electrode 2, the second tin oxide electrode 3 and cooling water plate 4 couple together, and use nut that cooling water plate 4 first tin oxide electrodes 2 and the second tin oxide electrode 3 are fixed up.Like this, the first tin oxide electrode 2 is well contacted with the second tin oxide electrode 3, and realize good insulation by being positioned at the heat resistance insulating sheet of regulating on the electrode jacking apparatus 5, guarantee personnel's security.
Need to prove, in actual use, electrode jacking apparatus 5 and insulcrete 7 one placed thereon can be finished making yet, can separately make yet, the utility model is not restricted this.
Further, with reference to the accompanying drawings 1.
1) the basic building block introduction in the actual device:
1. electric melting furnace: the major equipment of molten glass powder.
2. tin oxide electrode, namely be exactly the first tin oxide electrode or former tin oxide electrode: electric energy is loaded into the incoming end of electric melting furnace, and the output cable of heating power supply is connected on the electrode, and tin oxide electrode inserts in the kiln inner glass solution.
3. increasing tin oxide electrode newly, namely is exactly the second tin oxide electrode: be used for the new electrode of prolongs life, size can be slightly shorter.
4. water cooling plate: the water cooling plant of cooling tin oxide electrode.
5. electrode jacking apparatus: be used for the docking tin oxide electrode and the isolated plant made, can utilize the jacking screw to regulate height, can guarantee new and old electrode close contact.
6. a band silk screw rod: can the old tin oxide electrode of firm connection, newly-increased electrode and cooled plate.
7. heat resistance insulating sheet: newly-increased tin oxide electrode can prevent that on this plate, this plate will have good insulativity, and can guarantee the long term high temperature baking and indeformable fracture.
8. the via hole on the cooled plate: screw mandrel can pass this hole.
9. the silk hole on the electrode: screw mandrel connects
10. water inlet pipe and water outlet pipe: the water inlet on the cooled plate and rising pipe.
2) implementation principle:
Remove the water cooling plate 4 of former tin oxide electrode after the outage, newly-increased tin oxide electrode is positioned on the electrode jacking apparatus 5 of height-adjustable, isolate with resistant to elevated temperatures insulcrete 7, band filament length screw rod passes first water cooling plate 4 via holes, passing newly-increased tin oxide electrode has the hole of passing of four band silks again, be fixed at last on the former tin oxide electrode bolt silk hole, strain two cube electrodes and water cooling plate 4 on screw rod with the nut band water cooling plate 4 ends, electric current imports by the Pyrotenax that is connected on the screw rod, and the electric power of finishing electric melting furnace loads.In order effectively to save time, simultaneously operations of two electrodes in same group of north and south of electric melting furnace during operation can be finished the mating operation of remaining electrode successively after this group electrode operation is finished.During operation, because other electrode of electric melting furnace is in running order, it can conduct on the electrode that has cut off the power supply by the glass metal of molten state.Necessarily require when carrying out this operation to carry out good insulation, be strictly on guard against that short circuit causes personal injury.
This utility model is intended to prolong the life-span of the key part tin oxide electrode of electric melting furnace, and after the tin oxide electrode approach exhaustion, it is the highest that whole kiln is removed the cost of changing.Device of the present utility model is in the situation that not blowing out, not discharging prolong tin oxide electrode length, realizes the prolongation in the work-ing life of kiln integral body.In the situation that preparation work puts in place, the activity duration was controlled in 24 hours, electric melting furnace equipment was not had a negative impact, and technique is recovered to finish in 3---5 days.This new device is concise and to the point to be exactly the new tin oxide electrode that reclines in the back of former tin oxide electrode, by the former tin oxide electrode of the close contact of exerting pressure, new electrode loading current is reached the purpose that prolongs furnace service life.
Need to prove, because electric melting furnace regional work envrionment temperature is high, the voltage range that electrode applies is high, easily gets an electric shock.Near the tin oxide electrode appurtenances are many, in the dismounting electrode process there are from the outside static pressure of inside furnace the body of heater glass solution, and 1600 ℃ glass solution in case leakage occurs catastrophic consequence will occur.So must formulate rational process program, make in advance associated materials and Assembly part, special-purpose instrument, reasonably personnel placement just can be carried out this operation.
Adopt this device can make TFT-LCD glass substrate furnace service life prolong 10-12 months, filled up the technological gap in domestic and international this field.But the kiln life of the application Effective Raise of this technology more than 50%, has the very meaning of reality.The technical scheme that this utility model provides can significantly lower the brickwork cost that liquid crystal glass base is produced, and reduces the repair time, also can obtain good economic benefit for liquid crystal glass base manufacturing enterprise.
Claims (10)
1. one kind prolongs the electric melting furnace device in work-ing life, it is characterized in that, comprises electric melting furnace (1); Be provided with the first tin oxide electrode (2) on the described electric melting furnace (1); Union lever (6) passes water cooling plate (4) and the second tin oxide electrode (3) is fixed on the first tin oxide electrode (2); Be placed with insulcrete (7) on the electrode jacking apparatus (5), the second tin oxide electrode (3) is positioned on the insulcrete (7).
2. the device in prolongation electric melting furnace according to claim 1 work-ing life is characterized in that, is respectively arranged with four silk holes (9) on described the first tin oxide electrode (2), the second tin oxide electrode (3).
3. the device in prolongation electric melting furnace according to claim 2 work-ing life is characterized in that, offers via hole (8) on the water cooling plate (4); Also be provided with cooling water inlet pipe (10), water coolant water inlet pipe and water outlet pipe (11) on the described water cooling plate (4).
4. the device in prolongation electric melting furnace according to claim 3 work-ing life is characterized in that, described union lever (6) is a band silk screw rod; Band silk screw rod passes the via hole (8) on the water cooling plate (4) successively, and the silk hole (9) on the second tin oxide electrode (3), is fixed on the silk hole (9) of the first tin oxide electrode (2).
5. the device in prolongation electric melting furnace according to claim 4 work-ing life is characterized in that, by the nut that is complementary with band silk screw rod, the first tin oxide electrode (2), the second tin oxide electrode (3) and water cooling plate (4) is fixed.
6. the device in prolongation electric melting furnace according to claim 1 work-ing life is characterized in that, also is provided with resistant to elevated temperatures cable (12) on the described union lever (6).
7. the device in prolongation electric melting furnace according to claim 1 work-ing life, it is characterized in that, described electrode jacking apparatus (5) comprising: base plate (51), top board (53) is connected with base plate (51) by positioning screw rod (52), and described base plate (51) below also is provided with the roller (54) for sliding electrode jacking apparatus (5).
8. the device in prolongation electric melting furnace according to claim 7 work-ing life is characterized in that, described base plate (51) is metal sheet with top board (53), and positioning screw rod (52) number is four, and it is arranged at respectively four edges of base plate (51).
9. the device in prolongation electric melting furnace according to claim 7 work-ing life is characterized in that, described positioning screw rod (52) passes the first nut (55) and is connected with base plate (51), and by the second nut (56) that positioning screw rod (52) is fixing.
10. according to claim 7 or the device in 8 described prolongation electric melting furnace work-ing lifes, it is characterized in that, change the height of top board (53) by the positioning screw rod (52) in the adjusting electrode jacking apparatus (5), the first tin oxide electrode (2), the second tin oxide electrode (3) are on the same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220479693.3U CN202849234U (en) | 2012-09-19 | 2012-09-19 | Device for prolonging service life of electric melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220479693.3U CN202849234U (en) | 2012-09-19 | 2012-09-19 | Device for prolonging service life of electric melting furnace |
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| CN202849234U true CN202849234U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201220479693.3U Expired - Lifetime CN202849234U (en) | 2012-09-19 | 2012-09-19 | Device for prolonging service life of electric melting furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145610A (en) * | 2016-07-01 | 2016-11-23 | 东南大学 | Continuous basalt fiber tank furnace packaged type electrode assemblie and replacing options thereof |
| CN107892464A (en) * | 2017-11-24 | 2018-04-10 | 郑州旭飞光电科技有限公司 | Electrode block puopulsion equipment and electric smelting glass furnace |
| CN107963802A (en) * | 2017-11-09 | 2018-04-27 | 彩虹集团（邵阳）特种玻璃有限公司 | One kind prepares cover-plate glass electrode |
| CN108191210A (en) * | 2018-03-25 | 2018-06-22 | 山东信和光热有限公司 | A kind of tip cutting powers up all-electrical glass melting kiln |
| CN110698040A (en) * | 2019-10-12 | 2020-01-17 | 彩虹集团（邵阳）特种玻璃有限公司 | Butt joint method for cover plate glass tank furnace electrodes |
-
2012
- 2012-09-19 CN CN201220479693.3U patent/CN202849234U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145610A (en) * | 2016-07-01 | 2016-11-23 | 东南大学 | Continuous basalt fiber tank furnace packaged type electrode assemblie and replacing options thereof |
| CN106145610B (en) * | 2016-07-01 | 2018-11-16 | 东南大学 | Continuous basalt fiber tank furnace packaged type electrode assembly and its replacing options |
| CN107963802A (en) * | 2017-11-09 | 2018-04-27 | 彩虹集团（邵阳）特种玻璃有限公司 | One kind prepares cover-plate glass electrode |
| CN107892464A (en) * | 2017-11-24 | 2018-04-10 | 郑州旭飞光电科技有限公司 | Electrode block puopulsion equipment and electric smelting glass furnace |
| CN108191210A (en) * | 2018-03-25 | 2018-06-22 | 山东信和光热有限公司 | A kind of tip cutting powers up all-electrical glass melting kiln |
| CN108191210B (en) * | 2018-03-25 | 2024-03-15 | 山东信和光热有限公司 | Top-inserted full-electric melting kiln for powered glass |
| CN110698040A (en) * | 2019-10-12 | 2020-01-17 | 彩虹集团（邵阳）特种玻璃有限公司 | Butt joint method for cover plate glass tank furnace electrodes |
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| TR01 | Transfer of patent right |
Effective date of registration: 20160308 Address after: 712021 Rainbow Road, Shaanxi, Xianyang, No. 1 Patentee after: IRICO Group Corp. Address before: 712021 Rainbow Road, Shaanxi, Xianyang, No. 1 Patentee before: SHAANXI CAIHONG ELECTRONIC GLASS Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
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| CX01 | Expiry of patent term |