CN116022999A - Glass melting furnace with good visualization performance - Google Patents
Glass melting furnace with good visualization performance Download PDFInfo
- Publication number
- CN116022999A CN116022999A CN202211716940.1A CN202211716940A CN116022999A CN 116022999 A CN116022999 A CN 116022999A CN 202211716940 A CN202211716940 A CN 202211716940A CN 116022999 A CN116022999 A CN 116022999A
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- brick
- camera
- hole
- melting
- photographing
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- 238000002844 melting Methods 0.000 title claims abstract description 78
- 230000008018 melting Effects 0.000 title claims abstract description 78
- 239000011521 glass Substances 0.000 title claims abstract description 35
- 238000012800 visualization Methods 0.000 title abstract description 7
- 239000011449 brick Substances 0.000 claims abstract description 78
- 210000000481 breast Anatomy 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 13
- 244000144985 peep Species 0.000 claims description 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 239000010431 corundum Substances 0.000 claims description 6
- 210000000779 thoracic wall Anatomy 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims 3
- 241000935235 Fritillaria meleagris Species 0.000 claims 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 208000008918 voyeurism Diseases 0.000 abstract description 9
- 238000003384 imaging method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 239000000446 fuel Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000006060 molten glass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention relates to a glass melting furnace with good visualization performance, which comprises a melting part, a clarifying belt, an endoscopic device, a first camera, a second camera and a third camera, wherein the first camera is respectively embedded in the breast wall of the melting part at the left side and the right side of a feeding pool, a first endoscopic hole is arranged in the first camera, a first mounting hole of the first endoscopic hole is gradually inclined downwards and forwards from outside to inside, an included angle alpha between the axis of the first endoscopic hole and the longitudinal center line of the melting part is 50-65 degrees, an included angle beta between the axis of the first endoscopic hole and the longitudinal center line of the melting part is 13-15 degrees, and the first camera is arranged in the first endoscopic hole; the first camera shooting bricks are embedded in the breast walls of the clarifying belt on the left side and the right side of the clarifying belt, the structures of the first camera shooting bricks are basically the same as those of the first camera shooting bricks, the first mounting holes are gradually inclined downwards and backwards from outside to inside, the included angle between the axis of the first mounting holes and the central line of the melting part is 50-65 degrees, the included angle between the axis of the first mounting holes and the central line of the melting part is 13-15 degrees, and the first camera is arranged in the first inner peeping holes.
Description
Technical Field
The invention relates to the technical field of glass melting furnaces, in particular to a glass melting furnace with good visualization performance.
Background
Melting furnaces are important thermal equipment in glass production. The glass yield, quality, fuel consumption and kiln life are all related to the glass melting quality, and a stable thermal system is a key for ensuring the glass melting quality. The stable thermal system ensures that the temperature in the kiln is stable, the kiln pressure is stable, the liquid level is stable, and the bubble boundary line position and the distribution of the material pile are kept stable. Therefore, observing the flame, the material pile, the bubble boundary and the molten glass in the production process through an industrial television is an important means for controlling the thermodynamic system.
At present, the melting furnace is designed domestically, and industrial televisions are basically placed at the gable behind the melting part (1). Along with the large-scale development of the melting furnace, the length of the melting furnace is greatly prolonged, the bubble boundary line and the material pile are far away from the rear gable, the height positioning of the camera shooting hole is limited, so that the included angle between the plane of the material pile and the camera is small, and the view angle of longitudinal coverage of the material pile is also small. This results in severe image compression, many details are not reflected on industrial television, and the scope of monitoring is limited. Therefore, in the case of a large-scale melting furnace, the production state cannot be fully observed only by installing an industrial television at the rear gable. Some glass factories choose to install industrial televisions on the L hanging wall, and the positions are provided with a storage bin, a feeding machine and a flame shielding brick hanging device, so that the environment is complex, the dust amount is large, and the replacement and overhaul difficulties are large.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention has an object to provide a glass melting furnace with good visualization performance, which can more comprehensively observe the conditions of flames, stockpiles, bubble boundaries, molten glass and the like in the furnace.
In order to achieve the aim, the invention provides a glass melting furnace with good visualization performance, which comprises a melting part and a clarifying belt, wherein the melting part sequentially comprises a feeding tank and a plurality of small furnaces from back to front along the flowing direction of glass, two sides of the melting part are provided with melting part breast walls, the width H of the melting part is 12 m-14 m, the length L from the inner rear side of the feeding tank to the inner front side of the foremost small furnace is 20 m-36 m, the left side and the right side of the clarifying belt are provided with clarifying belt breast walls, the glass melting furnace further comprises an endoscopic device, the endoscopic device comprises a first camera brick, a second camera brick and a second camera, the melting part breast walls at the left side and the right side of the feeding tank are respectively embedded with a first camera brick, the first shooting bricks on the left side and the right side are left and right symmetrically, a first peeping hole is arranged in the first shooting brick, the first peeping hole comprises a first lofting hole arranged on the inner side surface of the first shooting brick and a first mounting hole which is formed in the outer side surface of the first shooting brick and communicated with the first lofting hole, the first mounting hole is gradually inclined downwards and forwards from outside to inside, an included angle alpha between the axis of the first mounting hole and the longitudinal center line of the melting part is 50-65 degrees, an included angle beta between the axis of the first mounting hole and the longitudinal center line of the melting part is 13-15 degrees, and the first camera is arranged in the first mounting hole and the lens of the first camera is positioned in the first lofting hole; the utility model discloses a clear zone, including the clearance zone, the clearance zone breast wall of clearance zone, the clearance zone is equipped with the clearance zone breast wall of clearance zone left and right sides, the clearance zone breast wall of clearance zone both sides is embedded respectively and is equipped with a second in the brick of clearance zone, the second is equipped with the second peep hole in the second, the second peep hole is including setting up the second lofting hole at the second in the brick medial surface of clearance zone and from the second mounting hole of second in the brick lateral surface of clearance zone seting up and UNICOM second lofting hole, the second mounting hole is from outside inwards gradually downwards and slope backward, the contained angle between second mounting hole axis and the melting portion central line is 50 ~ 65 to contained angle between with the horizontal direction is 13 ~ 15, the second camera is in the second mounting hole of second peep hole and the camera is located the second lofting hole, the camera of first camera is towards clearance zone rear side.
Further, the first camera brick is positioned at the middle position in the length direction of the clarifying zone.
Further, the first camera brick is close to the top end of the breast wall of the melting part, and the distance between the first camera brick and the height of the glass liquid level in the melting part is 1.3-1.7 m.
Further, the first camera brick adopts a 33# fused zirconia corundum shrinkage-free brick.
Further, the second camera brick adopts a beta-fused corundum shrinkage-free brick.
As described above, the glass melting furnace according to the present invention has the following advantageous effects:
the first camera bricks are added above the chest walls at two sides of the melting part, so that the first camera is convenient to install, and a reasonable installation angle is set to cover the maximum observation visual angle; through increasing the second hole brick of making a video recording on the chest wall of clear zone both sides, the second camera of easy to assemble to set up reasonable installation angle, in order to cover the biggest viewing angle. Through first camera and second camera, can more comprehensively observe the condition such as flame, stock pile, bubble boundary, molten glass in the glass melting furnace, according to the observation result, the operator can more rapidly fix a position stock pile and bubble boundary position, better control stock pile and bubble boundary's position, avoid the material running, better regulation fuel gun's angle obtains best flame coverage. Meanwhile, the operation space at the outer side of the breast wall is wide, the ambient temperature is relatively low, and the replacement and overhaul difficulties are small.
Drawings
FIG. 1 is a schematic view of the structure of a glass melting furnace of the present invention.
FIG. 2 is a cross-sectional view of a glass melting furnace of the present invention at a batch tank.
FIG. 3 is a top view of the glass melting furnace of the present invention at the loading pond and the furnace # 1.
Fig. 4 is a schematic structural view of the outer side surface of the first camera tile in the present invention.
Fig. 5 is a cross-sectional view taken along A-A in fig. 4.
Fig. 6 is a B-B cross-sectional view of fig. 4.
Fig. 7 is a schematic structural view of the outer side face of the second camera tile in the present invention.
Fig. 8 is a cross-sectional view taken along the direction C-C in fig. 7.
Fig. 9 is a D-D cross-sectional view of fig. 7.
Fig. 10 is a schematic view of the photographing areas of the first camera and the second camera in the present invention.
Fig. 11 is a schematic view of a photographing region of a first camera in the present invention.
Description of the reference numerals
1. Melting part
11. Melting part breast wall
12. Feeding pool
13 No. 1 small furnace
14 N-size small furnace
2. Clarifying belt
21. Clear belt breast wall
3. First camera brick
31. First inner peep hole
311. First mounting hole
312. First lofting hole
4. Second camera brick
41. Second inner peep hole
411. Second mounting hole
412. Second lofting hole
5. Shooting area
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the invention, are included in the spirit and scope of the invention which is otherwise, without departing from the spirit or scope thereof. Also, the terms such as "upper", "lower", "left", "right", "middle", etc. are used herein for convenience of description, but are not to be construed as limiting the scope of the invention, and the relative changes or modifications are not to be construed as essential to the scope of the invention.
Referring to fig. 1 to 11, the invention provides a glass melting furnace with good visualization performance, which comprises a melting part 1 and a fining zone 2, wherein the melting part 1 sequentially comprises a feeding pool 12 and a plurality of small furnaces from back to front along the glass flow direction, the number of the small furnaces is N, the small furnaces from back to front are sequentially recorded as small furnaces from No. 1 to No. N14, the small furnaces from No. 1 13 are connected with the front side of the feeding pool 12, the fining zone 2 is positioned at the front side of the small furnaces from No. N14, melting parts 1 are provided with melting part breast walls 11 at two sides, the width H of the melting part 1 is 12-14 m, the length L from the rear side to the front side of the N small furnaces from the front end in the feeding pool 12 is 20-36 m, and the fining zone 2 is provided with fining zone breast walls 21 at the left and right sides.
The glass melting furnace of the invention further comprises an endoscopic device, the endoscopic device comprises a first photographing brick 3, a first camera, a second photographing brick 4 and a second camera, the first photographing brick 3 is embedded in the chest wall 11 of the melting part at the left side and the right side of the feeding pool 12, the first photographing brick 3 at the left side and the right side is kept bilaterally symmetrical, a first peeping hole 31 is arranged in the first photographing brick 3, the first peeping hole 31 comprises a first lofting hole 312 arranged at the inner side surface (the side positioned in the furnace) of the first photographing brick 3, and a first mounting hole 311 which is opened from the outer side surface of the first photographing brick 3 and communicated with the first lofting hole 312, the first mounting hole 311 is gradually inclined downwards from outside to inside and forwards, an included angle alpha between the axis of the first mounting hole 311 and the longitudinal center line of the melting part 1 is 50-65 degrees, and is preferably 65 degrees, the included angle beta between the axis of the first mounting hole 311 and the horizontal direction is 13-15 degrees, and preferably 15 degrees, the included angle beta is preferably is arranged in fig. 3 and 6, the first mounting hole 311 is arranged in the front of the first photographing lens 312 in the first photographing region of the first photographing brick 1, the first photographing hole is not required to be arranged in the first photographing region of the first photographing brick 1 according to the actual photographing region, and the first lofting hole 312 is arranged at the front of the first lofting hole 4.
On the other hand, the second imaging bricks 4 are respectively embedded in the chest wall 21 of the clarifying zone 2 on the left side and the right side, the second imaging bricks 4 on the left side and the right side are left and right symmetrically, the second imaging bricks 4 are internally provided with second inner peeping holes 41, the second inner peeping holes 41 comprise second lofting holes 412 arranged on the inner side surfaces of the second imaging bricks 4, and second mounting holes 411 which are opened from the outer side surfaces of the second imaging bricks 4 and are communicated with the second lofting holes 412, the second mounting holes 411 are gradually inclined downwards and backwards from outside to inside, an included angle between the axes of the second mounting holes 411 and the center line of the melting part 1 is 50-65 degrees, an included angle between the axes of the second mounting holes 411 and the horizontal direction is 13-15 degrees, a second camera is mounted in the second mounting holes 411 of the second inner peeping holes 41, and the lens of the second camera is positioned in the second lofting holes 412, the lens of the first camera faces the rear side of the clarifying zone 2, and the rear side area of the second imaging bricks 4 is photographed.
According to the glass melting furnace disclosed by the invention, the existing large melting furnace is improved, according to the length and width dimensions of the furnace, the first camera bricks 3 and the first cameras are arranged in the breast walls at two sides of the feeding pool 12, the first mounting holes 311 in the first camera bricks 3 are provided with proper inclination angles, the area at the front side of the feeding pool 12 can be reasonably shot, the second camera bricks 4 and the second cameras are arranged in the breast walls at two sides of the clarifying belt 2, the second mounting holes 411 of the second camera bricks 4 are provided with proper inclination angles, the area at the front side of the clarifying single can be reasonably shot, the maximum observation view angle can be covered, the formed shooting area 5 is wide, the observation of the small furnaces 13 to the small furnaces 14 with the number N can be realized, and the flame, the material pile, the bubble boundary and the glass liquid can be more comprehensively observed. According to the observation result, an operator can more quickly position the material pile and the bubble boundary line, better control the positions of the material pile and the bubble boundary line, avoid material running, better adjust the angle of the fuel gun and obtain the optimal flame coverage. Meanwhile, the operation space at the outer side of the breast wall of the melting part is wide, the ambient temperature is relatively low, and the replacement and overhaul difficulties are small.
In this embodiment, referring to fig. 1 and 3, as a preferred design, the first camera brick 3 is located at a middle position in the length direction of the clarifying zone 2, so as to provide an installation space for the first camera, and facilitate installation. Wherein, the first image pickup brick 3 is close to the top end of the breast wall 11 of the melting part, and the height distance between the first image pickup brick and the glass liquid level in the melting part 1 is 1.3-1.7 m, and the shooting coverage is large and clear.
In the present embodiment, referring to fig. 1 and 10, as a preferred design, in order to cover the maximum viewing angle, the second image pickup hole brick mounting position on the breast wall 21 of the belt is provided at a position near the front side of the breast wall 21 of the belt, that is, at a suitable distance from the front side of the melting section 1.
In this embodiment, in order to meet the requirement of use in the high-temperature environment of the melting section 1, the first imaging brick 3 is preferably a 33# fused zirconia corundum shrinkage-free brick. Considering that the second camera brick 4 is located at the junction of the melting part 1 and the clarifying zone 2, the alkali vapor is severely corroded, and the second camera brick 4 is preferably a beta-fused corundum shrinkage-free brick.
In this embodiment, referring to fig. 4, 5 and 6, in the first image capturing brick 3, the first lofting hole 312 of the first peeping hole 31 is in an oval bell mouth shape, the specific size of which can be set according to actual needs, the included angle between the foremost side and the rearmost side of the inner wall of the first image capturing brick 3 is preferably 90 °, and the shape of the first mounting hole 311 is a cylindrical hole. In the present embodiment, referring to fig. 7, 8 and 9, the structure of the second image pickup brick 4 is substantially similar to that of the first image pickup brick 3, in which the second peephole 41 is also similar to that of the first peephole 31, except that the angle of inclination of the second peephole 41 in the front-rear direction is opposite to that of the first peephole 31, the second peephole 41 is inclined toward the rear side, and the first peephole 31 is inclined toward the front side.
From the above, the glass melting furnace of the invention has the following technical effects:
the first camera bricks are added above the chest walls on two sides of the melting part 1, so that the first camera is convenient to install, and a reasonable installation angle is set to cover the maximum observation view angle; through increasing the second hole brick of making a video recording on the breast wall of clear zone 2 both sides, the second camera of easy to assemble to set up reasonable installation angle, in order to cover the biggest viewing angle. Through first camera and second camera, can more comprehensively observe the condition such as flame, stock pile, bubble boundary, molten glass in the glass melting furnace, according to the observation result, the operator can more rapidly fix a position stock pile and bubble boundary position, better control stock pile and bubble boundary's position, avoid the material running, better regulation fuel gun's angle obtains best flame coverage. Meanwhile, the operation space at the outer side of the breast wall is wide, the ambient temperature is relatively low, and the replacement and overhaul difficulties are small.
In summary, the present invention effectively overcomes the disadvantages of the prior art and has high industrial utility value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (5)
1. Glass melting furnace with good visual performance, including melting portion (1) and refining zone (2), melting portion (1) is from back to preceding including throwing material pond (12) and a plurality of fritillary furnaces in proper order along glass flow direction, melting portion (1) both sides have melting portion breast wall (11), melting portion (1) width H is 12m ~ 14m, and from throwing material pond (12) interior rear side to the length L of foremost fritillary furnace inside front side be 20m ~ 36m, refining zone (2) left and right sides has refining zone breast wall (21), its characterized in that: the endoscope device comprises a first photographing brick (3), a first camera, a second photographing brick (4) and a second camera, wherein the first photographing brick (3) is embedded in a melting part breast wall (11) at the left side and the right side of the feeding pool (12), the first photographing bricks (3) at the left side and the right side are kept bilaterally symmetrical, a first endoscopic hole (31) is arranged in the first photographing brick (3), the first endoscopic hole (31) comprises a first lofting hole (312) arranged on the inner side surface of the first photographing brick (3), and a first mounting hole (311) which is formed in the outer side surface of the first photographing brick (3) and communicated with the first lofting hole (312), the first mounting hole (311) is gradually downwards from outside to inside and is inclined forwards, an included angle alpha between the axis of the first mounting hole (311) and the longitudinal center line of the melting part (1) is 50-65 degrees, an included angle beta between the axis of the first mounting hole and the longitudinal center line of the melting part is 13-15 degrees, and the first camera is mounted in the first lofting hole (311) and is positioned in the first lofting hole (312); the utility model provides a clear zone chest wall (21) of clear zone (2) left and right sides is gone up and is inlayed respectively and is equipped with a second and make a video recording brick (4) to the left and right sides's second makes a video recording brick (4) keep bilateral symmetry, be equipped with second peep hole (41) in second make a video recording brick (4), second peep hole (41) are including setting up in second lofting hole (412) of second make a video recording brick (4) medial surface to and from second mounting hole (411) of second make a video recording brick (4) lateral surface offer and UNICOM second lofting hole (412), second mounting hole (411) are from outside inwards gradually downwards and backward slope, contained angle between second mounting hole (411) axis and melting portion (1) central line is 50 ~ 65 to contained angle between with the horizontal direction is 13 ~ 15, the second camera is in second mounting hole (411) of second peep hole (41) and be located second lofting hole (412), the camera is towards the rear side of clear zone (2).
2. A glass melting furnace according to claim 1, wherein: the first camera brick (3) is positioned at the middle position of the clarifying belt (2) in the length direction.
3. A glass melting furnace according to claim 1, wherein: the first camera brick (3) is close to the top end of the breast wall (11) of the melting part, and the distance between the first camera brick and the height of the glass liquid level in the melting part (1) is 1.3-1.7 m.
4. A glass melting furnace according to claim 1, wherein: the first camera brick (3) adopts a 33# fused zirconia corundum shrinkage-free brick.
5. A glass melting furnace according to claim 1, wherein: and the second camera brick (4) adopts a beta-fused corundum shrinkage-free brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211716940.1A CN116022999A (en) | 2022-12-29 | 2022-12-29 | Glass melting furnace with good visualization performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211716940.1A CN116022999A (en) | 2022-12-29 | 2022-12-29 | Glass melting furnace with good visualization performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116022999A true CN116022999A (en) | 2023-04-28 |
Family
ID=86070307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211716940.1A Pending CN116022999A (en) | 2022-12-29 | 2022-12-29 | Glass melting furnace with good visualization performance |
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| Country | Link |
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| CN (1) | CN116022999A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07140298A (en) * | 1993-11-15 | 1995-06-02 | Power Reactor & Nuclear Fuel Dev Corp | Monitor for glass melting furnace |
| CN202101731U (en) * | 2011-02-25 | 2012-01-04 | 秦皇岛玻璃工业研究设计院 | Glass liquid level pickup measuring device |
| KR20120028759A (en) * | 2010-09-15 | 2012-03-23 | 한국수력원자력 주식회사 | Device for monitoring camera of glass melt inside melter |
| CN102875010A (en) * | 2012-10-31 | 2013-01-16 | 中国建材国际工程集团有限公司 | Float glass melting kiln for producing ultrathin glass |
| CN203768209U (en) * | 2014-03-03 | 2014-08-13 | 中国中轻国际工程有限公司 | Observation hole brick made from fused zirconia corundum with low glass phase exudation for glass melter |
-
2022
- 2022-12-29 CN CN202211716940.1A patent/CN116022999A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07140298A (en) * | 1993-11-15 | 1995-06-02 | Power Reactor & Nuclear Fuel Dev Corp | Monitor for glass melting furnace |
| KR20120028759A (en) * | 2010-09-15 | 2012-03-23 | 한국수력원자력 주식회사 | Device for monitoring camera of glass melt inside melter |
| CN202101731U (en) * | 2011-02-25 | 2012-01-04 | 秦皇岛玻璃工业研究设计院 | Glass liquid level pickup measuring device |
| CN102875010A (en) * | 2012-10-31 | 2013-01-16 | 中国建材国际工程集团有限公司 | Float glass melting kiln for producing ultrathin glass |
| CN203768209U (en) * | 2014-03-03 | 2014-08-13 | 中国中轻国际工程有限公司 | Observation hole brick made from fused zirconia corundum with low glass phase exudation for glass melter |
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