CN104671642A - Glass rolling production method and glass rolling production line - Google Patents
Glass rolling production method and glass rolling production line Download PDFInfo
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- CN104671642A CN104671642A CN201510049159.7A CN201510049159A CN104671642A CN 104671642 A CN104671642 A CN 104671642A CN 201510049159 A CN201510049159 A CN 201510049159A CN 104671642 A CN104671642 A CN 104671642A
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- calendering
- rolling
- shower nozzle
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B13/00—Rolling molten glass, i.e. where the molten glass is shaped by rolling
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Abstract
The invention discloses a glass rolling production method and a glass rolling production line. According to the production method, in a rolling and shaping step, while performing an online washing step for the rolling top roller at regular intervals, a drying step is performed between the rolling and shaping step and an annealing step, so that the glass breakage problem caused by the washing liquid splashing down to the glass plate and/or flowing into the annealing kiln can be avoided. The production line in turn comprises a glass melting furnace, a glass rolling machine, a transitional roller table and an annealing kiln, wherein the glass rolling machine comprises a rolling machine body, at least one pair of parallelly arranged rolling top roller and rolling bottom roller installed on the rolling machine body, a rolling top roller online washing device is arranged on the rolling top roller and a drying device is arranged on the transitional roller table. The cleaning liquid splashing down to the glass plate can be rapidly blown away, so that the glass breakage problem caused by the washing liquid splashing down to the glass plate and/or flowing into the annealing kiln can be avoided. The rolling production method and the glass rolling production line are simple in structure, low in cost and strong in practicability, and are suitable for industrial mass application.
Description
Technical field
The application relates to glassmaking art, particularly relates to a kind of glass calender method for producing and glass press production line.
Background technology
Rolling process is that the glass metal of melting is made tabular glass ribbon in horizontal direction by metallic roll, the more annealed a kind of moulding technique being cut into finished product.Two kinds of process meanses that it can adopt single roller, two rollers etc. different produce the glassworks such as the opaque rolled glass of printing opacity, figured glass, folder wire cloth glass, special-shaped glass.
Single roller technique refers to that artificial materials bale-out glass metal is cast on metal die platform, extends into tabular by metal rolls roll-in, then send into anneal, cooling cutting of coming out of the stove forms glasswork.Two roller technique refers to that the glass metal flowed out from kiln continuously can enter the water-cooled metal pressure roller of a pair constant revolution be set in parallel that be arranged above and below, while carrying out pressure roller, glass metal is solidified by chilling, is transmitted anneal into annealing furnace by horizontal direction.
At present, two roller technique comparatively meets the manufacturing of industrial extensive, large-tonnage glass.The production method of the very white rolled glass of good market prospect mainly contains fusing, calendering formation, annealing three large operations, in calendering formation technique, calendering top roll directly contacts with glass metal, glass metal is sheet glass by extrusion molding, because calendering top roll contacts with glass metal for a long time, make to roll top roll can form oxide compound in use for some time adhesion layer on its surface, not only radiating effect can be affected, its cooling performance is reduced, seriously limit the work-ing life of calendering top roll, but also the roughness of calendering top roll can be reduced, cause the decline of glass-board surface upper surface roughness, have a strong impact on the transmitance of glass-board surface.Therefore, in order to extend the work-ing life of calendering top roll, and improving the good article rate of glass-board surface, in calendering formation technique, needing the cleaning increasing calendering top roll.
The cleaning of cleaning calendering top roll in prior art, all that operative employee adopts the mode manually pulled to be processed calendering top roll by the cleaning way of pointwise wiping or flushing, but the method scavenging period is long, process uneven, production loss is larger, and operation is higher to the requirement of people, moreover, severe operational environment, operational risk is large, can there is a lot of uncontrollable risk, easily causes the quality problems of glass-board surface.Also have a prior problem to be exactly, have large water gaging when rolling top roll on-line cleaning and to splash on sheet glass and the lead of sheet glass of postponing enters in annealing furnace, cause the fried plate of sheet glass in transition roller table and annealing furnace; Sheet glass explodes the scuffing that plate easily causes glass-board surface on the one hand, glass plate drops in annealing furnace and easily blocks annealing furnace on the other hand, very large on annealing process impact, also needs cost long time to clean the glass cullet of fried plate simultaneously, workload is large, has had a strong impact on the efficiency of glass production.
In addition, the on-line cleaning mode of above-mentioned calendering top roll is all the mode of artificial cleaning, the unspecial research for calendering top roll washing unit aspect in prior art, only there is contriver only for the lower roller cleaning device of rolling press lower roll research and development, such as Authorization Notice No. is that CN 201737830U discloses " a kind of lower roller cleaning device of calendar in plate glass production process ", its technical scheme adopted is, lower roller cleaning device location is arranged on the below of lower roll in rolling press, the structure of this washing unit comprises frame, be positioned at the guide rail in frame, the spacing wiper mechanism be arranged in parallel on guide rail and with lower roll, wiper mechanism and guide rail form being slidably matched of horizontal direction.The high pressure water transport pipe that the structure of described wiper mechanism comprises shower nozzle, is connected with shower nozzle, this shower nozzle is swing shower nozzle.When the guide rail of installation frame, need the lower roll making guide rail and rolling press to be arranged in parallel, and remain on a perpendicular, just can guarantee that lower roll is rinsed well by swing shower nozzle.
Angle for the cleaning of rolling press lower roll is analyzed from technological layer, although technique scheme avoids the operation of the artificial cleaning of operative employee, but, its structure design is complicated, need mounting guide rail, require higher to the setting accuracy of guide rail, and rotating sprayer also needs increase electric controller to control, cleaning coverage rate is restricted; It carries out operation to drive single shower nozzle by the displacement back and forth of the horizontal direction realizing shower nozzle that is slidably matched with guide rail under roller, the cleaning way adopted is segmentation repeatedly cleaning back and forth, it is long not only to clean the required time, and cleaning performance and stability also poor.The most important thing is that this technical scheme can not directly apply to the cleaning of rolling press top roll.
Contriver is had again to have developed in prior art " washing unit of glass pressing machine lower roll " that such as Authorization Notice No. is CN 202174080U, its technical scheme is: " the calendering frame below lower roll is provided with a washing unit, washing unit comprises a pipeline corresponding to lower roll length, pipeline is horizontally installed in frame, its axis and lower roller shaft line parallel, along the length direction of pipeline, pipeline is evenly provided with one group of shower nozzle, each shower nozzle is towards the periphery of lower roll, wherein be provided with a waterpipe jointing at the middle part of pipeline ", in addition, from the content disclosed in its accompanying drawing 1, this washing unit is arranged at glass melter side, and between shower nozzle and jet pipe, have angle to arrange, the water surface of the water surface non-vertical that shower nozzle is sprayed, further, from the content disclosed in its accompanying drawing 2, this shower nozzle is a kind of pipe, pipe with the center of water distribution pipe for the center of circle is obliquely installed.In technique scheme, (1) owing to jet pipe only being arranged one group of shower nozzle, during the work of calendering lower roll, its surperficial same place oxide compound to be cleaned only just can clean by one group of water surface when turning to and aiming at shower nozzle, the oxide compound to be cleaned of same place again cleaning requirement calendering lower roll to rotate when this position got back to by a circle again, likely can miss because hydraulic pressure is unstable when such structure makes first time clean must wait rotate a circle again after just can clean, and the cleaning mode that this interval one is enclosed, not only cleaning efficiency is low, and cleaning effect is not obvious, need to extend scavenging period, money of wasting water also add cleaning cost simultaneously, (2) because washing unit is arranged at glass melter side, make the small space being originally positioned at glass melter side more limited, space availability ratio is lower, and between shower nozzle and jet pipe, have angle to arrange, reduce the hydraulic pressure gushed out, cleaning effect is reduced further, can rebound after the water surface arrival roll surface of shower nozzle ejection simultaneously and splash to glass melter side, make the Working environment of this side moist, shorten the work-ing life of melting furnaces kiln brick, too increase the cost safeguarding melting furnaces kiln brick, (3) jet pipe adopts angled pipe, first, hydraulic pressure effect lower nozzle go out water unstable, wayward, as ensured, the angle of shower nozzle also needs separately to establish device for stationary nozzle angle to ensure its ejection angle, not only use inconvenience, but also can jeting effect be affected, the second, the installation between pipe and jet pipe is also comparatively complicated, if single pipe is damaged, be also unfavorable for the quick-replaceable of single shower nozzle.
If technique scheme will be applied to the cleaning of calendering top roll, be need contriver to pay performing creative labour could realize, and described in above-mentioned, its technical scheme itself also have a lot of defects and point to be modified.
To sum up, the applicant needs to research and develop a kind of glass calender method for producing and press production line, with improve in glass calender method for producing increase calendering top roll cleaning step or glass press production line increase calendering top roll on-line cleaning device time, avoid current to splash to sheet glass and/or enter the glass plate caused in annealing furnace problem occur.
Summary of the invention
The object of the application be to avoid weak point of the prior art and provide a kind of can realize rolling top roll on-line cleaning while the glass calender method for producing that occurs of current splash to sheet glass and/or enter the glass plate caused in annealing furnace when can stop on-line cleaning calendering top roll problem and glass press production line.
The object of the application is achieved through the following technical solutions:
providea kind of glass calender method for producing, include fusing step, calendering formation step and annealing steps, wherein: the on-line cleaning step also including calendering top roll in described calendering formation step, also include drying step between described calendering formation step and described annealing steps, splash to sheet glass to avoid the cleaning liquid when carrying out the on-line cleaning step of rolling top roll and/or enter in annealing furnace.
As the application preferred embodiment: described drying step is utilize compressed air to purge the side positioning of the cleaning liquid splashed on sheet glass from sheet glass to opposite side corresponding thereto.
As the application preferred embodiment: the on-line auto-cleaning step also including calendering lower roll in described calendering formation step.
additionally providea kind of glass press production line, it includes glass melter, glass pressing machine, transition roller table and annealing furnace successively, the calendering top roll that described glass pressing machine includes rolling press body, mounted thereto at least one pair of is set in parallel and calendering lower roll, described calendering top roll is provided with calendering top roll on-line cleaning device, and described transition roller table is provided with drying installation.
As the application preferred embodiment: described drying installation is airduct, compressed air is utilized to purge the side positioning of the cleaning liquid splashed on sheet glass from sheet glass to opposite side corresponding thereto.
As the application preferred embodiment: described airduct is the airduct of the flat mouth mouth of pipe in flaring type.
As the application preferred embodiment: described calendering top roll on-line cleaning device is arranged at the pedestal of described rolling press body, it includes jet pipe, described jet pipe is provided with the jet head sets of at least one group, often organize jet head sets and be provided with several shower nozzles, described jet pipe is provided with fluid inlet, the cleaning liquid with certain pressure is delivered in described jet pipe through described fluid inlet, then through the jet head sets ejection of described at least one group formed at least one row liquid level and to be tilted to the lower working face that top roll is rolled in lower angle spraywashing.
As the application preferred embodiment: described jet pipe is provided with jet head sets more than two, often organize jet head sets and be provided with several shower nozzles, the shower nozzle between adjacent jet head sets is arranged at the length direction alternate of described jet pipe.
As the application preferred embodiment: described shower nozzle is 150mm ~ 350mm with the roll surface spacing of calendering top roll.
As the application preferred embodiment: described calendering lower roll is provided with calendering lower roll on-line cleaning device.
As the application preferred embodiment: described calendering lower roll on-line cleaning device is arranged at the calendering frame described rolling press body being positioned at and rolling below lower roll, it includes jet pipe, described jet pipe is provided with jet head sets more than two, often organize jet head sets and be provided with several shower nozzles, shower nozzle between adjacent jet head sets is arranged at the direction alternate of calendering lower roll medullary ray, often organize the liquid level of jet head sets ejection all on perpendicular, described jet pipe is provided with fluid inlet, the cleaning liquid with certain pressure is delivered in described jet pipe through described fluid inlet, above liquid level is arranged to clean the working face of calendering lower roll again through described jet head sets more than two ejection formation two.
As the application preferred embodiment: described shower nozzle and the perpendicular setting of described jet pipe, described shower nozzle includes nozzle, and described nozzle offers V-arrangement nozzle slot, is provided with spray hole in described V-arrangement nozzle slot.
As the application preferred embodiment: described nozzle is columniform nozzle, the notch of described V-arrangement nozzle slot is arranged along the direction with calendering roll body centerline parallel, and described spray hole is arranged at the home position of the end face of columniform nozzle.
As the application preferred embodiment: described shower nozzle also includes nut base, described shower nozzle is fixed on the open holes of described jet pipe by described nut base, described nut base offers fluid hole, described fluid hole and described spray hole be all connected with described jet pipe and the centerline hole of the centerline hole of described fluid hole and described spray hole all on same vertical curve.
As the application preferred embodiment: described nut base is hex-nut, the open holes of described jet pipe is extended with outside screw, the inner side of described hex-nut is provided with internal thread, and described hex-nut is installed on the open holes of described jet pipe by described internal thread and described externally threaded cooperation.
As the application preferred embodiment: the spacing of the adjacent shower nozzle on the length direction of described jet pipe of the shower nozzle in described jet head sets more than two is set to 50 mm ~ 350mm, and on the width of described jet pipe, the spacing of adjacent shower nozzle is set to 10 mm ~ 30mm.
As the application preferred embodiment: described jet pipe is also provided with relief outlet, the fluid inlet of described jet pipe is arranged at the side of described jet pipe, and described relief outlet is arranged at the opposite side of described jet pipe; Or the fluid inlet of described jet pipe is arranged at the middle part of described jet pipe, the both sides that described relief outlet is arranged at arbitrary sidepiece in the both sides of described jet pipe or described jet pipe all arrange described relief outlet.
As the application preferred embodiment: described transition roller table includes several transition rollers, the input terminus of described transition roller table and the secondary roller of the output of described glass pressing machine splice, and output terminal and the annealing furnace conveying roller of described transition roller table splice.
The beneficial effect of the application:
A kind of glass calender method for producing of the application, when regularly carrying out the on-line cleaning step of rolling top roll in calendering formation step, by setting up drying step between calendering formation step and annealing steps, splashing to sheet glass to avoid the cleaning liquid when carrying out the on-line cleaning step of rolling top roll and/or entering the generation of the glass plate problem caused in annealing furnace.
A kind of glass press production line of the application, include glass melter, glass pressing machine, transition roller table and annealing furnace successively, the calendering top roll that glass pressing machine includes rolling press body, mounted thereto at least one pair of is set in parallel and calendering lower roll, calendering top roll is provided with calendering top roll on-line cleaning device, and transition roller table is provided with drying installation.This drying installation can blow off fast to the cleaning liquid splashed on sheet glass, splashes to sheet glass to avoid the cleaning liquid when carrying out the on-line cleaning step of rolling top roll and/or enters the generation of the glass plate problem caused in annealing furnace.And, this drying installation adopts airduct, compressed air is utilized to purge the side positioning of the current splashed on sheet glass from sheet glass to opposite side corresponding thereto, current are made to leave sheet glass before entering annealing furnace, ensure that current can not enter annealing furnace, reach dry object, thus stop the fried plate of sheet glass in transition roller table and/or annealing furnace, this drying installation structure is simple simultaneously, cost is low, practical, be convenient to industrial large-scale application.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the application, but the embodiment in accompanying drawing does not form any restriction to the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the part-structure schematic diagram of a kind of glass pressing machine production line of the application.
Fig. 2 is the structural representation that the calendering top roll on-line cleaning device of a kind of glass press production line of the application is installed on pedestal.
Fig. 3 is the structural representation at a visual angle of the shower nozzle of the calendering top roll on-line cleaning device of a kind of glass press production line of the application.
Fig. 4 is the structure for amplifying schematic diagram at A place in Fig. 3.
Fig. 5 is the structural representation at another visual angle of the shower nozzle of the calendering top roll on-line cleaning device of a kind of glass press production line of the application.
Fig. 6 is the structure for amplifying schematic diagram at B place in Fig. 5.
Fig. 7 is the structural representation that the calendering lower roll on-line cleaning device of a kind of glass press production line of the application is installed on calendering frame.
Fig. 8 is the structural representation that the calendering lower roll on-line cleaning device of a kind of glass press production line of the application is installed on another embodiment of calendering frame.
Fig. 9 is the structural representation at a visual angle of the jet pipe of the calendering lower roll on-line cleaning device of a kind of glass press production line of the application.
Figure 10 is the structure for amplifying schematic diagram at C place in Fig. 9.
Figure 11 is the structural representation at another visual angle of the jet pipe of the calendering lower roll on-line cleaning device of a kind of glass press production line of the application.
Figure 12 is the structure for amplifying schematic diagram at D place in Figure 11.
Include in Fig. 1 to Figure 12:
100---calendering top roll,
200---calendering lower roll,
300---calendering top roll on-line cleaning device,
310---jet pipe, 320---shower nozzle, 321---nozzle, 3211---V-arrangement nozzle slot, 3212---spray hole, 322---nut base, 330---fluid inlet, 340---relief outlet, 350---locating device, 351---mounting bracket, 352---U-shaped draw-in groove, 360---angle regulators;
Be D1 along the spacing of shower nozzle adjacent on jet pipe length direction;
Be d1 along the spacing of shower nozzle adjacent on jet pipe width;
400---calendering lower roll on-line cleaning device,
410---jet pipe, 420---shower nozzle, 421---nozzle, 4211---V-arrangement nozzle slot, 4212---spray hole, 422---nut base, 430---fluid inlet, 440---relief outlet, 450---locating device, 451---mounting bracket, 452---U-shaped draw-in groove,
500---pedestal;
600---calendering frame;
700---sheet glass;
800---drying installation;
900---transition roller table;
10---export secondary roller;
On the direction along calendering lower roll medullary ray, the spacing of adjacent shower nozzle is D2;
On sheet glass throughput direction, the spacing of adjacent shower nozzle is d2.
Embodiment
With the following Examples the application is described in further detail.
embodiment 1
A kind of glass calender method for producing of the application, include fusing step, calendering formation step and annealing steps, the glass metal melted through dog-hole enter shaping pond cool applicable calendering formation viscosity temperature after, enter two roll calender through overflow port and be pressed into glass raw sheet, glass raw sheet is run by transition roller table delivery and anneals through annealing furnace, goes out annealing furnace and is cooled to cut platform place cutting and checks the quality packaging.Above-mentioned steps is the step of the known glass calender method for producing of prior art, certainly also comprises other steps commonly known in the art.The improvements of the application are: the on-line cleaning step also including calendering top roll in described calendering formation step, also drying step is included between described calendering formation step and described annealing steps, by setting up drying step between calendering formation step and annealing steps, splash to sheet glass to avoid the cleaning liquid when carrying out the on-line cleaning step of rolling top roll and/or enter the generation of the glass plate problem caused in annealing furnace, thus stopped sheet glass that top roll on-line cleaning causes completely and explode the problem that one side that plate brings easily causes the scuffing of glass-board surface, and on the other hand glass plate drops in annealing furnace and easily blocks annealing furnace, very large on the continuous production processes impact of glass, also need cost long time to clean the glass cullet of fried plate simultaneously, workload is large, have a strong impact on the problem of the efficiency of glass production.Wherein, the on-line cleaning of involved calendering top roll can be artificial cleaning way of the prior art, is preferably the online mechanical cleaning of calendering top roll.Here mentioned drying step can be the step of heating, drying; be about to the current splashed on sheet glass evaporated by heating, drying; also can for the current splashed on sheet glass purging being left sheet glass by external force, these two kinds of technical schemes all belong to the claimed category of the present invention.
Concrete, described drying step is utilize compressed air to purge the side positioning of the cleaning liquid splashed on sheet glass from sheet glass to opposite side corresponding thereto.Adopt pressurized air as purging power, sheet glass is left to realize dry object by being purged before entering annealing furnace by the current on sheet glass, at this, here involved drying is not dry evaporation by the current heated or the device such as oven dry will splash on sheet glass, but by current from a blowing of sheet glass to the opposite side position relative with the side of this sheet glass, current are made to flow out outside sheet glass, to realize the object that current leave glass-board surface along the edge of sheet glass.
Concrete, also include the on-line auto-cleaning step of calendering lower roll in described calendering formation step.Due in glass calendering technology, adopt glass pressing machine mainly kiln glass metal is out passed through the extruding of calendering top roll and calendering lower roll and cools rapidly, final molding is glass-board surface.Because calendering top roll and calendering lower roll are all adopt special substance to make, when glass metal is from when flowing out between calendering top roll and calendering lower roll, having one deck oxide compound attaches at roller surfaces, especially larger on the impact of calendering lower roll, if the thing on calendering lower roll surface cleans out not in time, will be formed " greyness " at roller surfaces, thus affect the quality of face glass, the automatic cleaning of therefore rolling lower roll is also particularly important.
embodiment 2
A kind of glass press production line of the application, with reference to shown in Fig. 1, it includes glass melter, glass pressing machine, transition roller table 900 and annealing furnace successively, the calendering top roll 100 that described glass pressing machine includes rolling press body, mounted thereto at least one pair of is set in parallel and calendering lower roll 200, the improvements of the application are: described calendering top roll 100 is provided with calendering top roll on-line cleaning device 300, and described transition roller table 900 is provided with drying installation 800.This drying installation 800 can blow off fast to the cleaning liquid splashed on sheet glass 700, splashes to sheet glass 700 to avoid the cleaning liquid when carrying out the on-line cleaning step of rolling top roll 100 and/or enters the generation of the glass plate problem caused in annealing furnace.
Concrete, described drying installation 800 is airduct, utilizes compressed air to purge the side positioning of the cleaning liquid splashed on sheet glass 700 from sheet glass 700 to opposite side corresponding thereto.Adopt airduct, compressed air is utilized to purge the side positioning of the current splashed on sheet glass 700 from sheet glass 700 to opposite side corresponding thereto, make current before entering annealing furnace, leave sheet glass 700, ensure that current can not enter annealing furnace, reach dry object, thus stop the fried plate of sheet glass 700 in transition roller table 900 and/or annealing furnace, this drying installation 800 structure is simple simultaneously, cost is low, practical, is convenient to industrial large-scale application.
Concrete, described airduct is the airduct of the flat mouth mouth of pipe in flaring type.In the airduct of flaring type structure, make pressurized air enter into explosion after airduct inner chamber, then reduced rapidly by the structure of the flat mouth mouth of pipe again and eject, be conducive to increasing the stream pressure that pressurized air ejects from the mouth of pipe, with better gaseous purge stream.
In addition, this drying installation 800 can also be other structures, such as: utilize compressed-air actuated Blowing drum etc., the drying installation 800 that can realize the cleaning liquid splashing to sheet glass 700 purges to opposite side corresponding thereto from a side positioning of sheet glass 700 in this area is drying installation 800 mentioned the application.
embodiment 3
A kind of glass press production line of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.With reference to figure 2, shown in Fig. 3 and Fig. 5, the difference of the present embodiment and embodiment 2 is, calendering top roll on-line cleaning device 300 is arranged at the pedestal 500 of rolling press body, the concrete structure of this calendering top roll on-line cleaning device 300 includes, jet pipe 310, described jet pipe 310 is provided with the jet head sets of at least one group, often organize jet head sets and be provided with several shower nozzles 320, described jet pipe 310 is provided with fluid inlet 330, the cleaning liquid with certain pressure is delivered in described jet pipe 310 through described fluid inlet 330, the liquid level of at least one row is formed to be tilted to the lower working face that top roll is rolled in lower angle cleaning again through the jet head sets ejection of described at least one group.The length of jet pipe 310 need according to the length setting of calendering lower roll, and general industry application its length upper selects 2500mm.Angle of inclination between the liquid level that jet pipe 310 sprays and horizontal plane can be selected in the scope of 30 ° ~ 70 °.Described shower nozzle 320 is 150mm ~ 350mm with the roll surface spacing of calendering top roll.
Preferably, described jet pipe 310 is provided with jet head sets more than two, the shower nozzle 320 between adjacent jet head sets is arranged at the direction alternate of calendering lower roll medullary ray.The space D 1 of the adjacent shower nozzle 320 on jet pipe 310 length direction of the shower nozzle 320 in described jet head sets more than two is set to 50 mm ~ 350mm, and on jet pipe 310 width, the spacing d1 of adjacent shower nozzle 320 is set to 10 mm ~ 30mm.Preferably, the space D 1 of the adjacent shower nozzle 320 on jet pipe 310 length direction of the shower nozzle 320 in described jet head sets more than two is set to 100mm, and on jet pipe 310 width, the spacing d1 of adjacent shower nozzle 320 is set to 15mm.Not only ensure that the covering cleaning along the overall length on calendering top roll centerline direction, but also ensure that along in sheet glass 700 working direction or calendering top roll 100 outer circumferential side cover cleaning close to continuous print.
Compared with prior art, what this glass press production line was initiative adds calendering top roll on-line cleaning device 300, abandon manual wipping or rinsed the cleaning way rolling top roll, overall time cleaning can be realized, strengthen cleaning performance, shorten the cleaning operation time, drastically increase cleaning efficiency and operational stability, suitability is strong, and also structure is simple simultaneously, installation and removal convenient, is convenient to industrial popularizing on a large scale and application.And this calendering top roll on-line cleaning device also has following characteristics: (1) this calendering top roll on-line cleaning device 300 arranges jet head sets more than two on jet pipe 310, often organize jet head sets and be provided with several shower nozzles 320, not only ensure that the covering cleaning along the overall length on calendering top roll 100 centerline direction, but also ensure that along cleaning close to continuous print covering in sheet glass 700 working direction, during calendering top roll 100 rotation work, its surperficial same place oxide compound to be cleaned by on-line cleaning device one discharge opeing face clean after, can and then through second row, 3rd row waits the reinforcement cleaning of liquid level, same place oxide compound to be cleaned rotates at calendering lower roll and cleans up in circle, rotate again when this position got back to by a circle without the need to additional wait again and just clean, such structure makes it possible to realize overall time cleaning, scavenging period is short, cleaning performance is better than the cleaning of sectional type or local formula in prior art, and operation efficiency obviously promotes, (2) shower nozzle 320 of this calendering top roll on-line cleaning device 300 between adjacent jet head sets is arranged at jet pipe 310 length direction alternate, makes to form liquid level complementation between many discharge opeings face, and the function with liquid level superposition makes cleaning effect strengthen, in addition, this calendering top roll washing unit 300 also simplify structure, and installation and removal are simple and convenient, suitability is strong, without the need to manually participating in cleaning control, is convenient to large-scale universal and popularization from the angle of industrial practical application.
Separately, calendering top roll on-line cleaning device also includes locating device 350 and angle regulator 360, the U-shaped draw-in groove 352 that described locating device 350 comprises mounting bracket 351 and is connected with described mounting bracket 351, described jet pipe 310 is connected in described U-shaped draw-in groove 352, and the pedestal of glass pressing machine is rotationally connected with by described mounting bracket 351, described angle regulator 360 is arranged at the below of described U-shaped draw-in groove 352, the lifting of described U-shaped draw-in groove 352 is supported to realize the angular adjustment of described calendering top roll on-line cleaning device by the lifting of described angle regulator 360.
Concrete, the angle regulator 360 adopted is nut-screw rod, one end of leading screw is passed the open holes on calendering pedestal and is supported the bottom of the U-shaped draw-in groove 352 of locating device 350, by coordinating of nut and leading screw, leading screw is moved up and down thus drives jet pipe 310 with the motion of the run-on point of mounting bracket 351 in top/bottom latitude.
The installation of the U-shaped draw-in groove 352 of the fixing employing for jet pipe 310, makes jet pipe 310 not easily rock under the effect of hydraulic pressure, more stable, thus makes the water surface not scattering of gushing out, and has good convergence effect.
embodiment 4
A kind of glass press production line of the application, the main technical schemes of the present embodiment is identical with embodiment 3, in the present embodiment unaccounted feature, adopts the explanation in embodiment 3, no longer repeats at this.Shown in figure 3 to Fig. 6, the difference of the present embodiment and embodiment 3 is, described shower nozzle 320 and the perpendicular setting of jet pipe 310, the liquid level that such structure makes shower nozzle 320 spray is mutually vertical with the horizontal plane at jet pipe 310 place, can spray from shower nozzle 320 with maximum spraying pressure after the rinse water with certain pressure is entered from jet pipe 310, cleaning performance is better, operate more stable, also avoid in prior art the installation question of the shower nozzle 320 with certain angle of inclination, the at right angle setting of shower nozzle 320 is convenient and swift simultaneously.Concrete, described shower nozzle 320 includes nozzle 321, and described nozzle 321 offers V-arrangement nozzle slot 3211, is provided with spray hole 3212 in described V-arrangement nozzle slot 3211.Described shower nozzle 320 also includes nut base 322, described shower nozzle 320 is fixed on the open holes of described jet pipe 310 by described nut base 322, this open holes is the jet pipe 310 directly stamping forming open holes (not shown) for mounting spray head 320, described nut base 322 offers fluid hole, described fluid hole and described spray hole 3212 be all connected with described jet pipe 310 and the centerline hole of the centerline hole of described fluid hole and described spray hole 3212 all on same vertical curve.This shower nozzle 320 is the part of single entirety, nozzle 321 and nut base 322 one-body molded, it is convenient to assemble and dismantle.It should be noted that, as the equivalent technical solutions adopting U-shaped nozzle slot also to belong to V-arrangement nozzle slot 3211, but preferred V-arrangement nozzle slot 3211.
Concrete, described nozzle 321 is columniform nozzle 321, and the notch of described V-arrangement nozzle slot 3211 is arranged along the direction with calendering lower roll centerline parallel, and described spray hole 3212 is arranged at the home position of the end face of columniform nozzle 321.The diameter of V-arrangement nozzle slot 3211 on the direction of end face edge calendering top roll 100 medullary ray of columniform nozzle 321, the end face of columniform nozzle 321 is divided into two, adopt V-arrangement nozzle, the current sprayed through spray hole 3212 are ejected along the cell wall of V-arrangement nozzle slot 3211, to form the liquid level with certain radiating surface.
Concrete, described nut base 322 is hex-nut, the open holes of described jet pipe 310 is extended with outside screw, and the inner side of described hex-nut is provided with internal thread, and described hex-nut is installed on the open holes of described jet pipe 310 by described internal thread and described externally threaded cooperation.The open holes of jet pipe 310 forms flange when punching, flange arranges outside screw, by with the screw-internal thread fit of hex-nut to realize the fixing of shower nozzle 320 and jet pipe 310, adopt the mounting means of simple thread fit, make the installation and removal of shower nozzle 320 simple, timely replacing when facilitating single shower nozzle 320 to block or damage, and shower nozzle 320 can also be manufactured as standardized parts.
Separately, the serial materials such as brass, soft copper, stainless steel, alloy, wolfram varbide can be selected in the material aspect of shower nozzle 320; The bottom land that the structure of V-arrangement nozzle slot 3211 comprises two cell walls and is clipped between two cell walls, wherein, bottom land can be straight line, also can be a plane, angle between two cell walls can be set to be greater than 0 ° and be less than 110 °, preferably, this angle selects to be greater than 30 ° and be less than 65 °.
Concrete, described jet pipe 310 is also provided with relief outlet 340, this relief outlet 340 can be sewage draining exit also can be water port, the fluid inlet 330 of concrete jet pipe 310 is different with the position that relief outlet 340 is arranged, comprising wherein a kind of technical scheme is: the fluid inlet 330 of described jet pipe 310 is arranged at the side of described jet pipe 310, and described relief outlet 340 is arranged at the opposite side of described jet pipe 310; Another kind of technical scheme is: the fluid inlet 330 of described jet pipe 310 is arranged at the middle part of described jet pipe 310, and the both sides that described relief outlet 340 is arranged at arbitrary sidepiece in the both sides of described jet pipe 310 or described jet pipe 310 all arrange described relief outlet 340.
Separately, the side of jet pipe 310 is arranged at the fluid inlet 330 of jet pipe 310, relief outlet 340 is arranged in the technical scheme of the opposite side of jet pipe 310, concrete, fluid inlet 330 is perpendicular with relief outlet 340, namely fluid inlet 330 is arranged along the length direction of jet pipe 310, and so relief outlet 340 is arranged along the width of jet pipe 310.
embodiment 5
A kind of glass press production line of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.With reference to figure 7, Fig. 8, shown in Fig. 9 and Figure 11, the difference of the present embodiment and embodiment 2 is, this glass press production line is positioned in the calendering frame 600 below calendering lower roll 200 at rolling press body and is provided with and the calendering lower roll on-line cleaning device 400 rolling movement together with frame 600, preferably, calendering lower roll on-line cleaning device 400 be installed on calendering lower roll 200 medullary ray vertical immediately below calendering frame 600, can be connected with the mobile platform of glass pressing machine, when ensureing that glass pressing machine adjusts, this calendering lower roll on-line cleaning device 400 also can follow movement simultaneously, and this calendering lower roll on-line cleaning device 400 is arranged at immediately below calendering lower roll 200, shower nozzle 320 is made just in time to be positioned at immediately below calendering lower roll 200, the water surface that shower nozzle 320 vertically upward sprays to guarantee to spray is vertical with the roll surface of calendering lower roll, make to reach best cleaning performance.In addition, also there is higher space availability ratio.
The concrete structure of this calendering lower roll on-line cleaning device 400 includes, jet pipe 410, described jet pipe 410 is provided with jet head sets more than two, often organize jet head sets and be provided with several shower nozzles 420, shower nozzle 420 between adjacent jet head sets is arranged at the direction alternate of calendering lower roll 200 medullary ray, often organize the liquid level of jet head sets ejection all on perpendicular, described jet pipe 410 is provided with fluid inlet 430, the cleaning liquid with certain pressure is delivered in described jet pipe 410 through described fluid inlet 430, above liquid level is arranged to clean the working face of calendering lower roll 200 again through described jet head sets more than two ejection formation two.The length of jet pipe 410 need according to the length setting of calendering lower roll 200, and general industry application its length upper selects 2200mm.
The space D 2 of the adjacent shower nozzle 420 on the direction along calendering lower roll 200 medullary ray of the shower nozzle 420 in described jet head sets more than two is set to 50 mm ~ 350mm, and on sheet glass 700 throughput direction, the spacing d2 of adjacent shower nozzle 420 is set to 10 mm ~ 30mm.Preferably, the space D 2 of the adjacent shower nozzle 420 on the direction along calendering lower roll 200 medullary ray of the shower nozzle 420 in described jet head sets more than two is set to 100mm, and on sheet glass 700 throughput direction, the spacing d2 of adjacent shower nozzle 420 is set to 15mm.Not only ensure that the covering cleaning along the overall length on calendering lower roll 200 centerline direction, but also ensure that along cleaning close to continuous print covering in sheet glass 700 working direction.
Compared with prior art, the calendering lower roll on-line cleaning device 400 of this glass press production line has following characteristics: (1) arranges jet head sets more than two on jet pipe 410, often organize jet head sets and be provided with several shower nozzles 420, not only ensure that the covering cleaning along the overall length on calendering lower roll 200 centerline direction, but also ensure that along cleaning close to continuous print covering in sheet glass 700 working direction, during calendering lower roll 200 rotation work, its surperficial same place oxide compound to be cleaned by this calendering lower roll on-line cleaning device 400 1 discharge opeing face clean after, can and then through second row, 3rd row waits the reinforcement cleaning of liquid level, same place oxide compound to be cleaned rotates in a circle at calendering lower roll 200 and just cleans up, rotate again when this position got back to by a circle without the need to additional wait again and just clean, such structure makes it possible to realize overall time cleaning, scavenging period is short, cleaning performance is better than the cleaning of sectional type or local formula in prior art, and operation efficiency obviously promotes, (2) shower nozzle 420 between adjacent jet head sets is arranged at the direction alternate of calendering lower roll 200 medullary ray, makes to form liquid level complementation between many discharge opeings face, and the function with liquid level superposition makes cleaning effect strengthen, (3) liquid level of jet head sets ejection is often organized all on perpendicular, such structure makes the liquid level sprayed from shower nozzle 420 remain in the vertical direction, after roll surface cleaning, directly backwash refluxes downwards to ground or edge close to vertical direction, after can liquid level being avoided as much as possible to be sprayed onto roll surface, affect operating environment by roll surface backwash to the elsewhere of glass furnace furnace side or rolling press again, also drastically increase the stability of cleaning performance and operation simultaneously, in addition, this calendering lower roll on-line cleaning device 400 also simplify structure, and installation and removal are simple and convenient, suitability is strong, without the need to manually participating in cleaning control, is convenient to large-scale universal and popularization from the angle of industrial practical application.
Separately, calendering lower roll on-line cleaning device 400 also includes locating device 450, the U-shaped draw-in groove 452 that described locating device 450 comprises mounting bracket 451 and is connected with described mounting bracket 451, described jet pipe 410 to be connected in described U-shaped draw-in groove 452 and to be fixed on the calendering frame 600 below described calendering lower roll 200 by described mounting bracket 451.The concrete structure of mounting bracket 451 can have a variety of.For the installation of fixing employing U-shaped draw-in groove 452 formula of jet pipe 410, jet pipe 410 is not easily rocked under the effect of hydraulic pressure, more stable, thus make the water surface not scattering of gushing out, there is good convergence effect.
embodiment 6
A kind of glass press production line of the application, the main technical schemes of the present embodiment is identical with embodiment 5, in the present embodiment unaccounted feature, adopts the explanation in embodiment 5, no longer repeats at this.Shown in figure 9 to Figure 12, the difference of the present embodiment and embodiment 5 is, described shower nozzle 420 and the perpendicular setting of jet pipe 410, the liquid level that such structure makes shower nozzle 420 spray is mutually vertical with the horizontal plane at jet pipe 410 place, can spray from shower nozzle 420 with maximum spraying pressure after the rinse water with certain pressure is entered from jet pipe 410, cleaning performance is better, operate more stable, also avoid in prior art the installation question of the shower nozzle 420 with certain angle of inclination, the at right angle setting of shower nozzle 420 is convenient and swift simultaneously.Concrete, described shower nozzle 420 includes nozzle 421, and described nozzle 421 offers V-arrangement nozzle slot 4211, is provided with spray hole 4212 in described V-arrangement nozzle slot 4211.Described shower nozzle also includes nut base 422, described shower nozzle is fixed on the open holes of described jet pipe 410 by described nut base 422, described nut base 422 offers fluid hole, described fluid hole and described spray hole 4212 be all connected with described jet pipe 410 and the centerline hole of the centerline hole of described fluid hole and described spray hole 4212 all on same vertical curve.This shower nozzle 420 is the part of single entirety, nozzle 421 and nut base 422 one-body molded, it is convenient to assemble and dismantle.It should be noted that, as the equivalent technical solutions adopting U-shaped nozzle slot also to belong to V-arrangement nozzle slot 4211, but preferred V-arrangement nozzle slot 4211.
Concrete, described nozzle 421 is columniform nozzle 421, and the notch of described V-arrangement nozzle slot 4211 is arranged along the direction with calendering lower roll 200 centerline parallel, and described spray hole 4212 is arranged at the home position of the end face of columniform nozzle 421.The diameter of V-arrangement nozzle slot 4211 on the direction of the end face edge calendering lower roll medullary ray of columniform nozzle 421, the end face of columniform nozzle 421 is divided into two, adopt V-arrangement nozzle, the current sprayed through spray hole 4212 are ejected along the cell wall of V-arrangement nozzle slot 4211, to form the liquid level with certain radiating surface.
Concrete, described nut base 422 is hex-nut, the open holes of described jet pipe 410 is extended with outside screw, and the inner side of described hex-nut is provided with internal thread, and described hex-nut is installed on the open holes of described jet pipe 410 by described internal thread and described externally threaded cooperation.The open holes of jet pipe 410 forms flange when punching, flange arranges outside screw, by with the screw-internal thread fit of hex-nut to realize the fixing of shower nozzle 420 and jet pipe 410, adopt the mounting means of simple thread fit, make the installation and removal of shower nozzle 420 simple, timely replacing when facilitating single shower nozzle 420 to block or damage, and shower nozzle 420 can also be manufactured as standardized parts.
Separately, the serial materials such as brass, soft copper, stainless steel, alloy, wolfram varbide can be selected in the material aspect of shower nozzle 420; The bottom land that the structure of V-arrangement nozzle slot 3211 comprises two cell walls and is clipped between two cell walls, wherein, bottom land can be straight line, also can be a plane, angle between two cell walls can be set to be greater than 0 ° and be less than 110 °, preferably, this angle selects to be greater than 30 ° and be less than 65 °.
Concrete, described jet pipe 410 is also provided with relief outlet 440, this relief outlet 440 can be sewage draining exit also can be water port, the fluid inlet 430 of concrete jet pipe is different with the position that relief outlet 440 is arranged, comprising wherein a kind of technical scheme is: the fluid inlet 430 of described jet pipe 410 is arranged at the side of described jet pipe 410, and described relief outlet 440 is arranged at the opposite side of described jet pipe 410; Another kind of technical scheme is: the fluid inlet 430 of described jet pipe 410 is arranged at the middle part of described jet pipe 410, and the both sides that described relief outlet 440 is arranged at arbitrary sidepiece in the both sides of described jet pipe 410 or described jet pipe 410 all arrange described relief outlet 440.
Separately, the side of jet pipe 410 is arranged at the fluid inlet 430 of jet pipe 410, relief outlet 440 is arranged in the technical scheme of the opposite side of jet pipe 410, concrete, fluid inlet 430 is perpendicular with relief outlet 440, namely fluid inlet 430 is arranged along the length direction of jet pipe 410, and so relief outlet 440 is arranged along the width of jet pipe 410.
embodiment 7
A kind of glass press production line of the application, the main technical schemes of the present embodiment is identical with embodiment 2, in the present embodiment unaccounted feature, adopts the explanation in embodiment 2, no longer repeats at this.Shown in figure 1 and Fig. 2, the difference of the present embodiment and embodiment 2 is, described transition roller table 900 includes several transition rollers, and the input terminus of described transition roller table 900 and the secondary roller 10 of the output of described glass pressing machine splice, and output terminal and the annealing furnace conveying roller of described transition roller table 900 splice.Drying installation 800 is arranged at the mid-way of described transition roller table 900.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the application; but not the restriction to the application's protection domain; although done to explain to the application with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the application or equivalent replacement, and not depart from essence and the scope of technical scheme.
Claims (18)
1. a glass calender method for producing, include fusing step, calendering formation step and annealing steps, it is characterized in that: the on-line cleaning step also including calendering top roll in described calendering formation step, also include drying step between described calendering formation step and described annealing steps, splash to sheet glass to avoid the cleaning liquid when carrying out the on-line cleaning step of rolling top roll and/or enter in annealing furnace.
2. a kind of glass calender method for producing according to claim 1, is characterized in that: described drying step is utilize compressed air to purge the side positioning of the cleaning liquid splashed on sheet glass from sheet glass to opposite side corresponding thereto.
3. a kind of glass calender method for producing according to claim 1, is characterized in that: the on-line auto-cleaning step also including calendering lower roll in described calendering formation step.
4. a glass press production line, it is characterized in that: include glass melter, glass pressing machine, transition roller table and annealing furnace successively, the calendering top roll that described glass pressing machine includes rolling press body, mounted thereto at least one pair of is set in parallel and calendering lower roll, described calendering top roll is provided with calendering top roll on-line cleaning device, and described transition roller table is provided with drying installation.
5. a kind of glass press production line according to claim 4, is characterized in that: described drying installation is airduct, utilizes compressed air to purge the side positioning of the cleaning liquid splashed on sheet glass from sheet glass to opposite side corresponding thereto.
6. a kind of glass press production line according to claim 5, is characterized in that: described airduct is the airduct of the flat mouth mouth of pipe in flaring type.
7. a kind of glass press production line according to claim 4, it is characterized in that: described calendering top roll on-line cleaning device is arranged at the pedestal of described rolling press body, it includes jet pipe, described jet pipe is provided with the jet head sets of at least one group, often organize jet head sets and be provided with several shower nozzles, described jet pipe is provided with fluid inlet, the cleaning liquid with certain pressure is delivered in described jet pipe through described fluid inlet, then through the jet head sets ejection of described at least one group formed at least one row liquid level and to be tilted to the lower working face that top roll is rolled in lower angle spraywashing.
8. a kind of glass press production line according to claim 7, it is characterized in that: described jet pipe is provided with jet head sets more than two, often organize jet head sets and be provided with several shower nozzles, the shower nozzle between adjacent jet head sets is arranged at the length direction alternate of described jet pipe.
9. a kind of glass press production line according to claim 7 or 8, is characterized in that: described shower nozzle is 150mm ~ 350mm with the roll surface spacing of calendering top roll.
10. a kind of glass press production line according to claim 4, is characterized in that: described calendering lower roll is provided with calendering lower roll on-line cleaning device.
11. a kind of glass press production lines according to claim 10, it is characterized in that: described calendering lower roll on-line cleaning device is arranged at the calendering frame described rolling press body being positioned at and rolling below lower roll, it includes jet pipe, described jet pipe is provided with jet head sets more than two, often organize jet head sets and be provided with several shower nozzles, shower nozzle between adjacent jet head sets is arranged at the direction alternate of calendering lower roll medullary ray, often organize the liquid level of jet head sets ejection all on perpendicular, described jet pipe is provided with fluid inlet, the cleaning liquid with certain pressure is delivered in described jet pipe through described fluid inlet, above liquid level is arranged to clean the working face of calendering lower roll again through described jet head sets more than two ejection formation two.
12. a kind of glass press production lines according to claim 7 or 8 or 11, it is characterized in that: described shower nozzle and the perpendicular setting of described jet pipe, described shower nozzle includes nozzle, and described nozzle offers V-arrangement nozzle slot, is provided with spray hole in described V-arrangement nozzle slot.
13. a kind of glass press production lines according to claim 12, it is characterized in that: described nozzle is columniform nozzle, the notch of described V-arrangement nozzle slot is arranged along the direction with calendering roll body centerline parallel, and described spray hole is arranged at the home position of the end face of columniform nozzle.
14. a kind of glass press production lines according to claim 12, it is characterized in that: described shower nozzle also includes nut base, described shower nozzle is fixed on the open holes of described jet pipe by described nut base, described nut base offers fluid hole, described fluid hole and described spray hole be all connected with described jet pipe and the centerline hole of the centerline hole of described fluid hole and described spray hole all on same vertical curve.
15. a kind of glass press production lines according to claim 14, it is characterized in that: described nut base is hex-nut, the open holes of described jet pipe is extended with outside screw, the inner side of described hex-nut is provided with internal thread, and described hex-nut is installed on the open holes of described jet pipe by described internal thread and described externally threaded cooperation.
A kind of glass press production line described in 16. according to Claim 8 or 11, it is characterized in that: the spacing of the adjacent shower nozzle on the length direction of described jet pipe of the shower nozzle in described jet head sets more than two is set to 50 mm ~ 350mm, and on the width of described jet pipe, the spacing of adjacent shower nozzle is set to 10 mm ~ 30mm.
17. a kind of glass press production lines according to claim 7 or 8 or 11, it is characterized in that: described jet pipe is also provided with relief outlet, the fluid inlet of described jet pipe is arranged at the side of described jet pipe, and described relief outlet is arranged at the opposite side of described jet pipe; Or the fluid inlet of described jet pipe is arranged at the middle part of described jet pipe, the both sides that described relief outlet is arranged at arbitrary sidepiece in the both sides of described jet pipe or described jet pipe all arrange described relief outlet.
18. a kind of glass press production lines according to claim 4, it is characterized in that: described transition roller table includes several transition rollers, the input terminus of described transition roller table and the secondary roller of the output of described glass pressing machine splice, and output terminal and the annealing furnace conveying roller of described transition roller table are spelled.
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| CN201510049159.7A CN104671642A (en) | 2015-01-30 | 2015-01-30 | Glass rolling production method and glass rolling production line |
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| CN201510049159.7A CN104671642A (en) | 2015-01-30 | 2015-01-30 | Glass rolling production method and glass rolling production line |
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| CN106216296A (en) * | 2016-08-03 | 2016-12-14 | 合肥彩虹新能源有限公司 | One washes lower roller arrangement selecting method |
| CN109399897A (en) * | 2018-11-29 | 2019-03-01 | 东莞南玻太阳能玻璃有限公司 | A kind of solar energy flattens the process units and production method of glass |
| CN113666628A (en) * | 2021-08-25 | 2021-11-19 | 徐州华豪玻璃纤维制品有限公司 | Quartz glass plate draws quartz fiber device |
| CN114472407A (en) * | 2021-12-23 | 2022-05-13 | 北京东华原医疗设备有限责任公司 | Medicine barrel cleaning system and control method thereof |
| CN116354589A (en) * | 2023-04-24 | 2023-06-30 | 广西南玻新能源材料科技有限公司 | Emergency treatment system for glass calendaring |
| CN117209124A (en) * | 2023-10-18 | 2023-12-12 | 南通威明精工机械有限公司 | Glass calendaring production line |
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Application publication date: 20150603 |