CN101717179A - Method for online replacement of tin bath outlet labial lamina - Google Patents

Method for online replacement of tin bath outlet labial lamina Download PDF

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Publication number
CN101717179A
CN101717179A CN200910175500A CN200910175500A CN101717179A CN 101717179 A CN101717179 A CN 101717179A CN 200910175500 A CN200910175500 A CN 200910175500A CN 200910175500 A CN200910175500 A CN 200910175500A CN 101717179 A CN101717179 A CN 101717179A
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labial lamina
tin bath
bath outlet
tin
new
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CN200910175500A
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CN101717179B (en
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翟耀坡
李兆廷
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Sichuan Hongke Innovation Technology Co ltd
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HEBEI DONGXU INVESTMENT Corp CO Ltd
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Abstract

The invention relates to a method for online replacement of tin bath outlet labial lamina, which solves the technical problem that the tin bath labial lamina is replaced under the thermal state so as to save the manpower and resources and effectively improve the working efficiency and the economic benefit. The technical scheme is that the old labial lamina in the tin bath is replaced on line under the thermal state. The method comprises the specific steps of: solidifying tin fluid at the tin bath outlet by means of a prefabricated cooling waterbox and a water injector at the bottom of the bath; taking the old labial lamina down to be replaced with the new labial lamina, and adding ramming mass on the contact surface of the new labial lamina and the lip tile; and removing the sundries in a slag box of the new labial lamina and sealing the tin bath outlet. The invention has the advantage that the new labial lamina is directly replaced under the thermal state, thereby saving the working time and improving the working efficiency; the tin fluid at the tin bath outlet is solidified by the prefabricated cooling waterbox and the water injector at the bottom of the bath; and a labial lamina cooling system is adopted to avoid causalities in the replacement process.

Description

The method of online replacing tin bath outlet labial lamina
Technical field
The invention belongs to float glass process and produce sheet glass manufacturing field, a kind of completely new approach of how changing tin bath outlet labial lamina is provided.
Background technology
In sheet glass float glass process forming technique, the forming principle of sheet glass be by melten glass liquor ratio heavy (2.5g/cm3) float on less than the proportion (7.3g/cm3) of tin liquor tin liquor above, and then, can produce the sheet glass of desired thickness and width by of the acting in conjunction of melten glass liquid because of self gravitation, surface tension and edge machine external force.Molten tin bath is sheet glass float glass process moulding place, and the molten tin bath agent structure comprises: molten tin bath overhead guard (bus-bar room, electric heater unit and molten tin bath breastwork etc.), groove pond and auxiliary facility (as edge machine, Shui Bao, thermometer, monitor etc.).The groove pond is made up of sidewall block, bottom land brick, molten tin bath inlet lip tile and outlet lip tile, and outside by the steel plate parcel, bottom land has the cooling air cooling, guarantee tin liquor smooth flow in the groove pond, avoids revealing.Tin liquor safety in groove flows under the standard state, and the fusing point of tin is 232 ℃, and the tin bath outlet glass temperature is generally 600 ℃, other specific glass temperature outs can be higher, as 650 ℃ of PDP outlet glass temperatures,, can seepage be arranged at brickwork joint so tin liquor viscosity is very little in the molten tin bath.General bottom land has the cooling of bottom land blower fan,
Tin bath outlet labial lamina has cooled with liquid nitrogen, bottom land and sidewall steel plate are difficult for being etched, but along with the molten tin bath prolongation of duration of service, especially the abominable outside atmosphere in tin bath outlet place can cause outlet labial lamina to corrode, along with the erosive aggravation, finally cause tin bath outlet to leak tin and seriously can't produce.
Up to now, those skilled in the art have taked to prolong tin with the cold water bag and have revealed, thereby prolong its work-ing life, but effect is very not remarkable.If stop production cold repair under forced situation, cold repair not only need spend the great amount of manpower financial resources, and operating mode is long time of recovery, and financial loss is serious.Therefore how to change the molten tin bath labial lamina effectively down hot, avoid tin to reveal, not only can avoid loss of life and personal injury, also can increase economic efficiency greatly.
Summary of the invention
The objective of the invention is to change the molten tin bath labial lamina in order to solve under hot, thereby save the manpower financial capacity, and effectively increase work efficiency with the technical problem of increasing economic efficiency, designed a kind of method of online replacing tin bath outlet labial lamina, this method can onlinely be changed old labial lamina, need not the cold repair that stops production, avoid financial loss.
The present invention is embodied as the technical scheme that goal of the invention adopts, the method for online replacing tin bath outlet labial lamina, above method be when hot to online replacing of old labial lamina in the molten tin bath, concrete steps are:
A, the tin liquor at tin bath outlet place is solidified by ready-formed water coolant bag and bottom land waterworks;
B, old labial lamina is taken down, more renewed labial lamina, and at the contact surface interpolation ramming mass of new labial lamina with lip tile;
Foreign material under C, the new labial lamina of removing in the slag case, carry out encapsulation process to the tin bath outlet place:
D, electrically heated are restored.
According to the method at the hot molten tin bath of replacing down labial lamina provided by the invention, may further comprise the steps: the fusing point of tin is 232 ℃, be that temperature can be solidified gradually being lower than 232 ℃ of tin in the groove, according to this point, only take the tin liquor of tin bath outlet solidified and molten tin bath front end temperature, tin liquor state remain unchanged substantially, the tin bath outlet room temps is controlled at about 100 ℃, treat tin bath outlet tin completely solidified after, the outlet labial lamina that more renews.Open the tin bath outlet electrically heated after replacing finishes, and observe the outlet labial lamina changing conditions, progressively return to normality.
The invention has the beneficial effects as follows: directly more renew labial lamina down hot, saved the working hour, improved working efficiency; Adopt ready-formed water coolant bag, bottom land waterworks the tin liquor at tin bath outlet place to be solidified, and, avoid in the replacing process, causing casualties by the labial lamina cooling system.
The present invention is described in detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the sectional view at tin bath outlet place.
In the accompanying drawing, the 1st, water coolant bag, the 2nd, cooling system, the 3rd, transition roller check apron, the 4th, bottom land waterworks, the 5th, lip tile, the 6th, transition roller, the 7th, new labial lamina, the 8th, ramming mass.
Embodiment
The method of online replacing tin bath outlet labial lamina, above method be when hot to online replacing of old labial lamina in the molten tin bath, concrete steps are:
A, the tin liquor at tin bath outlet place is solidified by ready-formed water coolant bag 1 and bottom land waterworks 4;
B, old labial lamina is taken down, more renewed labial lamina 7, and add ramming mass 8 at the contact surface of new labial lamina 7 and lip tile 5;
Foreign material in C, 7 times slag casees of the new labial lamina of removing carry out encapsulation process to the tin bath outlet place;
D, electrically heated are restored.
New labial lamina 7 materials are identical with former labial lamina with size.
Above-mentioned water coolant bag 1 is controlled at below 25 ℃ with the cooling water inlet temperature of bottom land waterworks 4, and hydraulic pressure is greater than 0.35MPa, and leaving water temperature(LWT) is below 40 ℃.
Above-mentioned new labial lamina 7 supporting settings adopt cooled with liquid nitrogen to add the cooling system 2 of water-cooled.
The flow control of above-mentioned liquid nitrogen is at 65-75m 3/ h, the pressure of water coolant is set at 0.28-0.32MPa.
The room temps of above-mentioned tin bath outlet is controlled at 90-110 ℃.
The present invention in the specific implementation,
(1) the water coolant bag 1 with two groups of tin liquors is placed in tin bath outlet crossbeam front end place, have with a certain distance from outlet, guarantee labial lamina place tin liquor completely solidified, and envrionment temperature can allow the people stand.Water coolant bag 1 be two pairs to the formula of wearing, install bottom land waterworks 4 simultaneously, the position is consistent with water coolant bag 1, quickens the tin liquor curing speed.Two equipments will be carried out in advance, and waterworks is in place in advance, and the water bag then inserts molten tin bath again.
(2) change the labial lamina related personnel and put in place, treat to insert water coolant bag 1 behind the disconnected plate, bottom land waterworks 4 water flowings are simultaneously cooled off the bottom land steel plate.Melting furnaces are carried out corresponding technology adjustment work, open the electrically heated of wide section of molten tin bath, and the annealing furnace inlet is carried out the insulation measure.Reduce transition roller check apron 3 simultaneously, it is too many to prevent that the annealing furnace temperature from descending.
Tin bath outlet tin liquor surface cure after (3) 2 hours, outlet tin liquor completely solidified after 4 hours, the exit room temps is 130 ℃.Change the labial lamina personnel and carry out the security measure, the old labial lamina in removal tin bath outlet place is installed new labial lamina 7 simultaneously and the ramming mass 8 of 5 of new labial lamina 7 and lip tiles is tamped 1 hour whole process time spent.
(4) behind the replacing end-of-job, clear up 6 times slag casees of No. 1 transition roller, carry out on-the-spot cleaning works simultaneously, prevent from tin is polluted.After all working finishes, open the tin bath outlet electrically heated and close bottom land waterworks 4, treat to extract water coolant bag 1 out after the tin liquorization, carry out tin groove sealing work.Improve transition roller place check apron 3, in order to avoid the annealing furnace temperature descends too much.
(5) melting furnaces are carried out corresponding adjustment work, treat the molten tin bath temperature rise to normal after, do the corbel back slab operation, so far change the tin bath outlet labial lamina end-of-job, shared approximately 12 hours.By this work, avoid the waste for no reason of tin, increased the work-ing life of molten tin bath again.

Claims (5)

1. the method for online replacing tin bath outlet labial lamina is applied to float glass process and produces sheet glass and make in the maintenance process of molding device, it is characterized in that: above method be when hot to online replacing of old labial lamina in the molten tin bath, concrete steps are:
A, the tin liquor at tin bath outlet place is solidified by ready-formed water coolant bag (1) and bottom land waterworks (4);
B, old labial lamina is taken down, more renewed labial lamina (7), and add ramming mass (8) at the contact surface of new labial lamina (7) and lip tile (5);
C, remove the foreign material in the slag case under the new labial lamina (7), to carrying out encapsulation process in the tin bath outlet place;
D, electrically heated are restored.
2. the method for online replacing tin bath outlet labial lamina according to claim 1, it is characterized in that: described water coolant bag (1) is controlled at below 25 ℃ with the cooling water inlet temperature of bottom land waterworks (4), hydraulic pressure is greater than 0.35MPa, and leaving water temperature(LWT) is below 40 ℃.
3. the method for online replacing tin bath outlet labial lamina according to claim 1 is characterized in that: the supporting setting of described new labial lamina (7) adopts cooled with liquid nitrogen to add the cooling system (2) of water-cooled.
4. the method for online replacing tin bath outlet labial lamina according to claim 3 is characterized in that: the flow control of described liquid nitrogen is at 65-75m 3/ h, the pressure of water coolant is set at 0.28-0.32MPa.
5. the method for online replacing tin bath outlet labial lamina according to claim 1 is characterized in that: the room temps of described tin bath outlet is controlled at 90-110 ℃.
CN2009101755008A 2009-11-25 2009-11-25 Method for online replacement of tin bath outlet labial lamina Active CN101717179B (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101962261A (en) * 2010-09-19 2011-02-02 彩虹集团电子股份有限公司 Method for coating platinum in center joints of lip bricks
CN104724911A (en) * 2015-04-09 2015-06-24 蚌埠中建材信息显示材料有限公司 Tin bath outlet end sealing device
CN110862219A (en) * 2019-12-28 2020-03-06 蚌埠中光电科技有限公司 Float glass tin bath broken plate lifting device
CN117964209A (en) * 2024-04-01 2024-05-03 江苏春戈玻璃有限公司 Melting equipment for glass production and processing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101962261A (en) * 2010-09-19 2011-02-02 彩虹集团电子股份有限公司 Method for coating platinum in center joints of lip bricks
CN104724911A (en) * 2015-04-09 2015-06-24 蚌埠中建材信息显示材料有限公司 Tin bath outlet end sealing device
CN104724911B (en) * 2015-04-09 2017-07-28 蚌埠中建材信息显示材料有限公司 A kind of tin bath outlet end sealing device
CN110862219A (en) * 2019-12-28 2020-03-06 蚌埠中光电科技有限公司 Float glass tin bath broken plate lifting device
CN110862219B (en) * 2019-12-28 2024-05-14 蚌埠中光电科技有限公司 Float glass tin bath broken plate lifting device
CN117964209A (en) * 2024-04-01 2024-05-03 江苏春戈玻璃有限公司 Melting equipment for glass production and processing
CN117964209B (en) * 2024-04-01 2024-05-28 江苏春戈玻璃有限公司 Melting equipment for glass production and processing

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