CN108455826B - Tin pollutant eliminating device and method for tin bath and application of tin pollutant eliminating device - Google Patents
Tin pollutant eliminating device and method for tin bath and application of tin pollutant eliminating device Download PDFInfo
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- CN108455826B CN108455826B CN201810019570.3A CN201810019570A CN108455826B CN 108455826 B CN108455826 B CN 108455826B CN 201810019570 A CN201810019570 A CN 201810019570A CN 108455826 B CN108455826 B CN 108455826B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
- C03B18/18—Controlling or regulating the temperature of the float bath; Composition or purification of the float bath
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Abstract
The invention mainly relates to the field of float glass manufacturing, and discloses a tin bath tin pollutant eliminating device, a method and application. The invention can ensure that the tin bath basically does not generate the defect of cassiterite, greatly reduces the quantity of tin ash at the tail end, reduces the purging frequency to 1/3, effectively solves the problem of tin pollution of the tin bath, increases the cleanliness and stability of the whole tin bath space atmosphere, and effectively improves the quality of finished glass.
Description
Technical Field
The invention relates to the field of float glass manufacturing and other fields needing to remove polluted gas, in particular to a tin bath tin pollutant removing device and method and application.
Background
The molten glass entering the tin bath from the melting furnace carries a large amount of SO3Meanwhile, a certain amount of O is generated when tin liquid permeates into the high-temperature section in the tin bath2From the outside into the tin bath. Tin liquid is very easy to react with SO at high temperature of more than 950 DEG C3、O2Carrying out a reaction: 4Sn + SO3＝3SnO+SnS，Sn+3SnO+SO3＝3SnO2+SnS，2Sn+O2＝2SnO，Sn+O2＝SnO2. When a certain amount of SnS and SnO are stored in the tin liquor2Then, the following reaction can occur: SnS + SnO2→SnSO4+2Sn，SnSO4Is a good tin plating material, but is adsorbed on the lower surface of the glass plate, and simultaneously Sn is easy to react with SnSO4The complexation can cause the generation of tin ash and tin-sticking defects on the lower surface of the glass plate.
The tin oxide exists in gas state at 870 deg.c, and is gasified at high temperature into protecting gas and exists in solid state at 870 deg.c and is dissolved in tin liquid. The tin oxide has certain solubility in tin liquid and protective gas, the higher the temperature is, the higher the solubility is, when the pollutant content exceeds the tin liquid solubility, tin ash is separated out, and after a certain amount of tin oxide is accumulated, the tin oxide is very easily adhered to the lower surface of a glass plate and is taken out, so that the grey printing of the lower surface is caused.
The tin pollutant is gasified at high temperature and enters the protective gas, the protective gas generally has two outlets, namely a front section and a rear end, the front section outlet is provided with an adjusting flashboard, the tin pollutant discharged from the front end is easy to condense and crystallize to cause the defect of cassiterite, and the tin pollutant discharged from the rear end is easy to cause the defect of tin prick and tin pick-up. Therefore, the generation of the tin bath of the glass has the conditions of less tin stone, more tin slag, more tin stone, less tin slag and the like. At present, no good method for solving the problems exists in the float production, and the problems of tin slag and cassiterite always puzzle the whole float production. Therefore, it is necessary to research an apparatus and a method for eliminating tin contamination in a tin bath to remove obstacles in glass production.
Disclosure of Invention
The invention aims to overcome the defects that tin ash and tin sticking are easily generated on the lower surface of a glass plate in the float production in the prior art, and the problems of less cassiterite, more tin slag or more cassiterite, less tin slag and the like in a tin bath, and provides a tin pollutant eliminating device and method for the tin bath and application.
In order to achieve the above purpose, the present invention provides a tin bath tin pollutant eliminating device, a method and an application thereof, wherein the tin bath tin pollutant eliminating device comprises an air extracting device, exhaust pipes, an exhaust device and air guide pipes, the exhaust pipes are symmetrically connected to two side surfaces of the exhaust device, the exhaust pipes symmetrically arranged are communicated through the air guide pipes, the air guide pipes are communicated with the air extracting device, and the exhaust pipes are provided with control valves.
Preferably, a suction force intensifier is further arranged between the control valve and the air guide pipe, a flow detector is arranged on a waste gas inlet of the suction force intensifier, the waste gas inlet is communicated with the exhaust pipe through the control valve, an exhaust port of the suction force intensifier is communicated with an air extraction device, a water inlet is arranged at a position close to the exhaust port, and a water outlet is arranged at a position close to the waste gas inlet.
Preferably, a flow guide device is arranged inside the exhaust device; further preferably, the flow guiding device is an arc-shaped air guiding pipe.
Preferably, a cassiterite cleaning port is further arranged at the lower ends of the exhaust pipe and the exhaust device.
Preferably, the exhaust device is an exhaust box.
Preferably, the airway tube is an arc airway tube.
The invention provides an application of a tin bath tin pollutant eliminating device in removing polluted gas.
Preferably, in the float glass manufacturing, the tin bath tin contaminant elimination device is arranged between the launder cover plate and the zero-bainite seal, and an optional cassiterite cleaning port in the tin bath tin contaminant elimination device is arranged outside the glass liquid of the runner.
The invention provides a method for eliminating tin pollutants in a tin bath by using the tin pollutant eliminating device, under the air suction action of an air suction device, protective gas enters the inner space of the tin bath area, so that the protective gas and glass liquid move in the same direction, the polluted gas flows to an exhaust device with heat preservation measures along with the protective gas, and the gas flow in an exhaust pipe is controlled by a control valve to converge into a gas guide pipe to be exhausted out of the tin bath area.
Preferably, the temperature of the heat preservation is 700-.
Preferably, the device further comprises a suction force enhancing measure, wherein a suction force enhancer with a cooling device is arranged between the control valve and the air guide pipe and can enable the passing gas to generate a temperature difference of 200 ℃ and 500 ℃.
Preferably, the cooling device is a water cooling device.
Preferably, the gas flow rate is adjusted by adjusting the opening of the control valve (5) or closing the cooling device.
Preferably, the gas flow is only 60-200 square, and the total amount is 120-400 square.
Preferably, the device further comprises a cassiterite cleaning measure, wherein the cassiterite cleaning measure is that cassiterite cleaning openings are formed in the lower ends of the exhaust pipe and the exhaust device.
Through the technical scheme, the tin bath basically does not generate the defect of cassiterite, the quantity of tail tin ash is greatly reduced, the purging frequency is reduced to 1/3, the problem of tin pollution of the tin bath is effectively solved, the cleanliness and stability of the space atmosphere of the whole tin bath are improved, and the quality of finished glass is effectively improved.
Drawings
FIG. 1 is a side view of an apparatus for eliminating contamination of tin in a tin bath in a float process according to the present invention.
FIG. 2 is a front view of the tin contamination eliminating device for tin bath of the present invention.
FIG. 3 is an enlarged view of a drawing force intensifier of the tin contamination eliminator of tin bath according to the present invention.
FIG. 4 is a schematic view of the tin contamination removal process of the tin bath in the float process of the present invention.
Description of the reference numerals
1-a launder cover plate, 2-a tin bath tin pollutant eliminating device, 3-zero shellfish sealing, 4-an air extracting device, 5-a control valve, 6-an exhaust pipe, 7-a flow guide device, 8-an exhaust device, 9-an air guide pipe, 10-a cassiterite cleaning port, 11-a suction force intensifier, 12-a flow detector, 13-a water inlet, 14-a water outlet, 15-a waste gas inlet and 16-a discharge port.
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a tin bath tin pollutant eliminating device, which comprises an air extracting device 4, an exhaust pipe 6, an exhaust device 8 with a heat preservation measure and an air duct 9, wherein the exhaust pipe 6 is symmetrically connected to two side surfaces of the exhaust device 8, the symmetrically arranged exhaust pipes 6 are communicated through the air duct 9, the air duct 9 is communicated with the air extracting device 4, and the exhaust pipe 6 is provided with a control valve 5, as shown in figure 2.
The invention firstly changes the flow direction of the polluted gas through the air exhaust device, and then leads the polluted gas to smoothly enter the exhaust channel through the exhaust device, the tin bath basically does not generate the cassiterite defect, the quantity of the tin ash at the tail end is greatly reduced, the purging frequency is reduced to 1/3, and the problem of tin pollution of the tin bath is effectively solved.
In the invention, in order to completely change the flow direction of the polluted gas, the pollutants flowing to a low-temperature area become less, so that the defects of generated oxides cannot reach saturation, and the generation of tin ash at an outlet is effectively avoided, a suction force intensifier 11 is also arranged between a control valve 5 and an air guide pipe 9, a waste gas inlet 15 of the suction force intensifier 11 is provided with a flow detector 12, the waste gas inlet 15 is communicated with an exhaust pipe 6 through the control valve 5, an exhaust port 16 of the suction force intensifier 11 is communicated with an air extraction device 4, a water inlet 13 is arranged at a position close to the exhaust port 16, and a water outlet 14 is arranged at a position close to the waste gas inlet 15.
In the invention, in order to adopt a design shape which is more in accordance with the flow of fluid and avoid generating vortex in the process and influencing the quality of glass, a flow guide device 7 is arranged inside the exhaust device 8, and preferably, the flow guide device 7 is an arc-shaped air guide pipe.
In order to further solve the problem that the cassiterite is condensed and falls when the polluted gas flows from the low-temperature area to the high-temperature area and is discharged from the high-temperature area, the exhaust device 8 is an exhaust box with a heat preservation facility.
According to the invention, the lower ends of the exhaust pipe 6 and the exhaust device 8 are also provided with the cassiterite cleaning port 10, so that the emission of cassiterite is effectively treated, and the quality of the glass plate is not influenced.
According to the invention, the gas-guide tube 9 is an arc-shaped gas-guide tube, so that the influence on the glass quality caused by the generation of vortex in the process can be effectively avoided.
The invention provides an application of a tin bath tin pollutant eliminating device in removing polluted gas.
Preferably, in the float glass manufacturing process, the tin bath tin pollutant eliminating device is arranged between the launder cover plate and the zero-bainite seal, an optional cassiterite cleaning port in the tin bath tin pollutant eliminating device is outside the glass liquid of the runner, the tin bath basically does not generate cassiterite defects, the tail tin ash amount is greatly reduced, the purging frequency is reduced to 1/3, and the problem of tin pollution of the tin bath is effectively solved.
The second aspect of the invention provides a method for eliminating tin pollutants in a tin bath by using the tin pollutant eliminating device, under the air suction action of the air suction device 4, protective gas enters the inner space of the tin bath area, so that the protective gas and glass liquid move in the same direction, the polluted gas flows to the exhaust device 8 with heat preservation measures along with the protective gas, and the gas flow in the exhaust pipe 6 is controlled by the control valve 5 to converge into the gas guide pipe 9 to be discharged out of the tin bath area. Wherein, going in opposite directions means that the protective gas and the molten glass are in opposite directions.
The invention mainly changes the process operation method, so that most of the protective gas flow flows from the low-temperature area to the high-temperature area, and the protective gas also flows from the low-temperature area to the high-temperature area along with the driving of the polluted gas and is discharged through the tin bath tin pollutant eliminating device. Without the device, the polluted gas can generate the cassiterite to drop in the glass liquid in the discharge process of the high-temperature area, so that the upper surface of the glass plate generates the cassiterite defect. When the device is adopted to discharge gas, the condensing position of the cassiterite is collected through the discharge pipeline, so that the cassiterite does not drip on the surface of the molten glass, and the defect of the cassiterite is effectively avoided; meanwhile, the flow direction of the polluted gas is changed, pollutants flowing to a low-temperature area are reduced, the defects of generated oxides cannot reach saturation, the generation of tin ash at an outlet is effectively avoided, and the problems that fewer cassiterites, more tin residues, more cassiterites and fewer tin residues exist in a tin bath are solved perfectly.
According to the present invention, the heat-retaining temperature is 700 ℃ and 950 ℃, for example, the temperature may be 700 ℃, 710 ℃, 720 ℃, 730 ℃, 740 ℃, 750 ℃, 760 ℃, 770 ℃, 780 ℃, 790 ℃, 800 ℃, 810 ℃, 820 ℃, 830 ℃, 840 ℃, 850 ℃, 860, 870 ℃, 880 ℃, 890 ℃, 900 ℃, 910 ℃, 920 ℃, 930 ℃, 940 ℃, 950 ℃ or any value in the range of any two of these values, and the condensation of cassiterite in the exhaust region can be effectively avoided.
According to the invention, a suction force enhancing measure is further included, and the suction force enhancing measure is that a suction force enhancer 11 with a cooling device is further arranged between the control valve 5 and the air guide pipe 9, and the temperature difference of 200 ℃ and 500 ℃ can be generated by passing gas. For example, the temperature difference may be any value within a range of 200 ℃, 210 ℃, 220 ℃, 230 ℃, 240 ℃, 250 ℃, 260 ℃, 270 ℃, 280 ℃, 290 ℃, 300 ℃, 310 ℃, 320 ℃, 330 ℃, 340 ℃, 350 ℃, 360 ℃, 370 ℃, 380 ℃, 390 ℃, 400 ℃, 410 ℃, 420 ℃, 430 ℃, 440 ℃, 450 ℃, 460 ℃, 470 ℃, 480 ℃, 490 ℃, 500 ℃ or any two of these values. The larger the temperature difference is, the larger the suction force is, thereby more thoroughly changing the flow direction of the polluted gas, and effectively avoiding the defect that the pollutant is condensed and falls when the polluted gas flows from the low-temperature area to the high-temperature area and is discharged from the high-temperature area. Preferably, the cooling device is a water cooling device.
According to the present invention, the gas flow rate is adjusted by adjusting the opening degree of the control valve 5 or closing the cooling device, so that pressure loss can be effectively avoided.
According to the invention, the gas flow is only 60-200 sides, for example, any value in the range of 60 sides, 70 sides, 80 sides, 90 sides, 100 sides, 110 sides, 120 sides, 130 sides, 140 sides, 150 sides, 160 sides, 170 sides, 180 sides, 190 sides, 200 sides and any two of the values can be adopted, and the total amount is 120-400 sides, so that the air extraction effect is effectively ensured.
According to the invention, the tin-removing method also comprises a tin stone removing measure, and the tin stone in the tin bath is removed in time. The cassiterite cleaning measure is that a cassiterite cleaning opening 10 is formed at the lower end of the exhaust pipe 6 and the lower end of the exhaust device 8.
The present invention will be described in detail below by way of examples.
Example 1
The utility model provides a molten tin bath tin pollutant remove device, see figure 2, including air exhaust device 4, blast pipe 6, exhaust apparatus 8 and air duct 9 that have the heat preservation measure, 6 symmetric connection of blast pipe are in exhaust apparatus 8's both sides face, and the symmetry sets up moreover blast pipe 6 is linked together through air duct 9, air duct 9 is linked together with air exhaust device 4, be equipped with control valve 5 on the blast pipe 6.
Still be equipped with suction force intensifier 11 between control valve 5 and air duct 9, be equipped with flow detector 12 on suction force intensifier 11's the waste gas air inlet 15, waste gas air inlet 15 is linked together through control valve 5 and blast pipe 6, suction force intensifier 11's gas vent 16 is linked together with air exhaust device 4, is being close to gas vent 16 position is equipped with water inlet 13, is being close to waste gas air inlet 15 position is equipped with delivery port 14.
Wherein, exhaust apparatus 8 is inside to be equipped with guiding device 7, and guiding device 7 is the arc air duct, still is equipped with cassiterite clearance mouth 10 at exhaust pipe 6 and exhaust apparatus 8's lower extreme, exhaust apparatus 8 is the exhaust box that has the heat preservation facility, air duct 9 is the arc air duct.
Example 2
The application of the tin bath tin pollutant eliminating device in the float glass manufacturing is shown in figure 1, wherein the tin bath tin pollutant eliminating device 2 is arranged between a launder cover plate 1 and a zero-bainite seal 3, and a cassiterite cleaning port 10 in the tin bath tin pollutant eliminating device 2 is arranged outside glass liquid in a flow channel. Tests prove that after the eliminating device is adopted, the tin defect is reduced to be below 5 percent, the tin bath basically does not generate the cassiterite defect, the tail tin ash amount is greatly reduced, the purging frequency is reduced to 1/3, the problem of tin pollution of the tin bath is effectively solved, the cleanliness and the stability of the space atmosphere of the whole tin bath are improved, and the quality of finished glass is effectively improved. Without the use of the abatement device of the present invention at the front end, tin defects are typically around 15% of the total defects.
Example 3
A method for eliminating tin pollutants in a tin bath by using the tin pollutant eliminating device in embodiment 1 is shown in figure 3, and under the air suction effect of an air suction device 4, protective gas enters the inner space of the tin bath area to enable the protective gas and glass liquid to move in opposite directions, the polluted gas flows to an exhaust device 8 with heat preservation measures along with the protective gas, the gas flow in an exhaust pipe 6 is controlled by a control valve 5 to converge in an air guide pipe 9 to be discharged out of the tin bath area, and finally, the polluted gas is discharged out of a workshop space through air suction. The device also comprises a suction force enhancing measure, wherein a suction force enhancer 11 with a water cooling device is arranged between the control valve 5 and the gas guide pipe 9 and can enable the passing gas to generate a temperature difference of 500 ℃. The gas flow is adjusted by adjusting the opening of the control valve 5 or closing the cooling device, the single gas flow is 170 square, the flow speed can reach 4.5m/s, and meanwhile, the method also comprises a cassiterite cleaning measure, wherein the cassiterite cleaning measure is that cassiterite cleaning openings 10 are formed in the lower ends of the exhaust pipe 6 and the exhaust device 8. Experiments prove that the protective gas drives the polluted gas to increase the pumping force through the inner space of the tin bath area, so that the polluted gas is discharged out of the tin bath space, the total amount of the polluted gas is about 1/6-1/3 of the total amount of the polluted gas in the range of 1200-2000, the polluted air containing tin oxide is effectively treated, and the generation of tin defects is effectively reduced.
Example 4
According to the method of example 3, except that no water cooling device is added, the gas temperature difference through the discharge pipeline is 200 ℃, the density difference is 1/6 rho of standard density, and the flow monitoring shows that under the condition that the control valve is fully opened, the single flow is 60 square, and the flow rate is about 2.8 m/s. Tests prove that the protective gas drives the polluted gas to be discharged from the tin bath space through the inner space of the tin bath area, the polluted air containing tin oxide is treated, and the generation of tin defects is reduced.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (16)
1. The tin bath tin pollutant eliminating device is characterized by comprising an air extracting device (4), exhaust pipes (6), an exhaust device (8) with a heat preservation measure and air guide pipes (9), wherein the exhaust pipes (6) are symmetrically connected to two side surfaces of the exhaust device (8), the exhaust pipes (6) which are symmetrically arranged are communicated through the air guide pipes (9), the air guide pipes (9) are communicated with the air extracting device (4), and the exhaust pipes (6) are provided with control valves (5); wherein, a pumping force intensifier (11) is also arranged between the control valve (5) and the air duct (9).
2. The tin bath tin contaminant eliminator according to claim 1, wherein a flow detector (12) is disposed on the waste gas inlet (15) of the suction force intensifier (11), the waste gas inlet (15) is communicated with the exhaust pipe (6) through a control valve (5), the exhaust port (16) of the suction force intensifier (11) is communicated with the air extractor (4), a water inlet (13) is disposed near the exhaust port (16), and a water outlet (14) is disposed near the waste gas inlet (15).
3. A molten tin contamination elimination device according to claim 1, characterized in that a flow guide device (7) is provided inside the exhaust device (8).
4. A molten tin contamination removing device according to claim 3, wherein the flow guide device (7) is an arc-shaped air guide tube.
5. A molten tin contamination elimination device according to claim 3, wherein the exhaust device (8) is an exhaust box.
6. The tin bath tin contaminant eliminator according to claim 1, wherein a cassiterite cleaning port (10) is further provided at the lower ends of the exhaust pipe (6) and the exhaust device (8).
7. A molten tin contamination eliminator according to any one of claims 1 to 6, wherein the air duct (9) is an arc-shaped air duct.
8. Use of a tin bath tin contaminant removal device as claimed in any one of claims 1 to 7 for the removal of contaminant gases.
9. Use according to claim 8, characterized in that in float glass manufacturing the tin bath tin contaminant elimination device (2) is arranged between the launder cover plate (1) and the zero-shellfish seal (3), and the cassiterite cleaning port (10) in the tin bath tin contaminant elimination device (2) is outside the channel glass bath.
10. A method for eliminating tin contamination in a tin bath by using the tin contamination eliminating device in the claims 1 to 7, characterized in that under the air suction effect of the air suction device (4), the protective gas enters the inner space of the tin bath area, the protective gas and the molten glass are enabled to move in the same direction, the polluted gas flows to the exhaust device (8) with heat preservation measures along with the protective gas, and the gas flow in the exhaust pipe (6) is controlled by the control valve (5) to converge to the gas guide pipe (9) and be exhausted out of the tin bath area.
11. The method as claimed in claim 10, wherein the incubation temperature is 700 ℃ and 950 ℃.
12. Method according to claim 10, characterized in that it further comprises a suction enhancement means, which is a suction enhancer (11) with cooling means enabling a temperature difference of 200 ℃ and 500 ℃ to be generated in the passing gas, between the control valve (5) and the gas duct (9).
13. The method of claim 12, wherein the cooling device is a water cooling apparatus.
14. Method according to claim 10, 12 or 13, characterized in that the gas flow is regulated by adjusting the opening of a control valve (5) or by closing a cooling device.
15. The method as claimed in claim 14, wherein the gas flow rate is 60-200 square alone and the total amount is 120-400 square.
16. The method according to claim 10, characterized by further comprising a cassiterite cleaning means, wherein the cassiterite cleaning means is provided with cassiterite cleaning openings (10) at the lower ends of the exhaust pipe (6) and the exhaust device (8).
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| CN201810019570.3A CN108455826B (en) | 2018-01-09 | 2018-01-09 | Tin pollutant eliminating device and method for tin bath and application of tin pollutant eliminating device |
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| CN201810019570.3A CN108455826B (en) | 2018-01-09 | 2018-01-09 | Tin pollutant eliminating device and method for tin bath and application of tin pollutant eliminating device |
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| CN108455826B true CN108455826B (en) | 2021-09-24 |
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| CN109368994B (en) * | 2018-11-27 | 2024-01-26 | 中国洛阳浮法玻璃集团有限责任公司 | Adsorption device capable of reducing tin defects on surface of float glass plate |
| CN115321795B (en) * | 2022-08-30 | 2023-11-03 | 洛玻集团洛阳龙海电子玻璃有限公司 | Self-cleaning endoscope head structure for electronic glass tin bath |
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| WO2008021023A1 (en) * | 2006-08-08 | 2008-02-21 | The Boc Group, Inc. | Tin bath atmospheric recycle system |
| CN201751401U (en) * | 2010-07-09 | 2011-02-23 | 上海吉驰建材科技有限公司 | Tin tank heating/ cooling device for float glass |
| CN202220119U (en) * | 2011-09-19 | 2012-05-16 | 河南国控宇飞电子玻璃有限公司 | Tin bath exhaust emission system in production process of ultrathin glass |
| CN203080049U (en) * | 2012-12-26 | 2013-07-24 | 江阴亿欣新材料科技有限公司 | Sealed tin plating system for preventing tin liquor oxidization |
| CN204711366U (en) * | 2015-05-28 | 2015-10-21 | 广西宾阳县天祥电子有限公司 | Scrape scruff mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201704198U (en) * | 2010-07-01 | 2011-01-12 | 深圳市凯盛科技工程有限公司 | Protective gas flow guide device of tin bath |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008021023A1 (en) * | 2006-08-08 | 2008-02-21 | The Boc Group, Inc. | Tin bath atmospheric recycle system |
| CN201751401U (en) * | 2010-07-09 | 2011-02-23 | 上海吉驰建材科技有限公司 | Tin tank heating/ cooling device for float glass |
| CN202220119U (en) * | 2011-09-19 | 2012-05-16 | 河南国控宇飞电子玻璃有限公司 | Tin bath exhaust emission system in production process of ultrathin glass |
| CN203080049U (en) * | 2012-12-26 | 2013-07-24 | 江阴亿欣新材料科技有限公司 | Sealed tin plating system for preventing tin liquor oxidization |
| CN204711366U (en) * | 2015-05-28 | 2015-10-21 | 广西宾阳县天祥电子有限公司 | Scrape scruff mechanism |
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