CN110749203A - Furnace body cooling system of substrate glass kiln and operation method thereof - Google Patents
Furnace body cooling system of substrate glass kiln and operation method thereof Download PDFInfo
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- CN110749203A CN110749203A CN201910937063.2A CN201910937063A CN110749203A CN 110749203 A CN110749203 A CN 110749203A CN 201910937063 A CN201910937063 A CN 201910937063A CN 110749203 A CN110749203 A CN 110749203A
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- 238000001816 cooling Methods 0.000 title claims abstract description 163
- 239000011521 glass Substances 0.000 title claims abstract description 32
- 239000000758 substrate Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims description 20
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 8
- 241000405070 Percophidae Species 0.000 claims description 7
- 238000011017 operating method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000001932 seasonal effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/0005—Cooling of furnaces the cooling medium being a gas
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a furnace body cooling system of a substrate glass furnace and an operation method thereof, wherein the furnace body cooling system comprises: the air conditioning unit is used for providing controllable constant-temperature quantitative cooling air; the air supply main pipeline is provided with a plurality of cooling air outlets; each cooling air outlet is provided with a cooling air temperature detection probe; the air inlet of the centrifugal fan is communicated with the cooling air outlet, and the air outlet of the centrifugal fan is provided with a cooling air speed detection probe; the air inlet of the duckbilled air pipe is communicated with the air outlet of the centrifugal fan, and the air outlet of the duckbilled air pipe is used for leading cooling air to cool the furnace body of the kiln. The system and the method have the characteristics of controlling the temperature of the cooling air, the quantity of the cooling air and the cooling air speed, and effectively solve the problem that the cooling of the furnace body of the kiln is not stable due to the change of the environmental temperature in the production of the substrate glass.
Description
Technical Field
The invention belongs to the technical field of substrate glass production, and particularly relates to a substrate glass kiln body cooling system and an operation method thereof.
Background
In the production process of the substrate glass, a furnace body cooling system of the furnace is the guarantee of safe operation and stable operation of the furnace. In a traditional kiln body cooling system, a cooling air source is taken from natural air of a kiln site or a factory building, and the cooling system has the defect of unstable cooling air source in the actual production process; the change of the environmental temperature along with the change of weather can affect the temperature of the cooling air source, the stable operation of the kiln process cannot be guaranteed, and the glass production quality is greatly affected; especially when the requirement on cooling is higher in the later stage of the kiln operation, the safe operation of the kiln can be negatively influenced.
In summary, there is a need for a new substrate glass furnace body cooling system and method of operating the same.
Disclosure of Invention
The invention aims to provide a furnace body cooling system of a substrate glass furnace and an operation method thereof, so as to solve the technical problem of unstable cooling air source caused by field air intake.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a substrate glass kiln body cooling system, which comprises:
the air conditioning unit is used for providing controllable constant-temperature quantitative cooling air;
the air supply main pipeline is provided with a plurality of cooling air outlets; each cooling air outlet is provided with a cooling air temperature detection probe;
the air inlet of the centrifugal fan is communicated with the cooling air outlet, and the air outlet of the centrifugal fan is provided with a cooling air speed detection probe;
the air inlet of duckbilled tuber pipe with centrifugal fan's air outlet is linked together, the air outlet of duckbilled tuber pipe is used for leading to the cooling-air and cools off the kiln furnace body.
The invention further improves the method and also comprises the following steps: a kiln enclosure wall; the main air supply pipeline and the plurality of cooling air outlets are positioned in the kiln enclosure wall; the kiln enclosing wall is provided with a plurality of air return ports for adjusting the pressure difference.
The invention has the further improvement that the air return inlet is provided with a mechanical flashboard for adjusting the opening degree of the air return inlet; and the air return inlet is positioned at the height position of 3-5 m of the kiln enclosing wall.
The air supply main pipeline is further improved in that a heat insulation rubber plastic material layer with the thickness of 30-50 mm is coated outside the air supply main pipeline, and a light reflection film layer is coated outside the heat insulation rubber plastic material layer.
The invention further improves the method and also comprises the following steps: the terminal monitoring system is used for adjusting the running state of the air conditioning unit, the running state of the centrifugal fan and the frequency of the centrifugal fan; the device is used for monitoring the cooling air temperature of the cooling air outlet and the cooling air speed of the air outlet of the centrifugal fan.
The invention has the further improvement that the terminal monitoring system is an industrial personal computer or a computer;
the signal input end of the terminal monitoring system is connected with the signal output end of the cooling air temperature detection probe; the signal input end of the terminal monitoring system is connected with the signal output end of the cooling air speed detection probe;
and the signal output end of the terminal monitoring system is connected with the signal receiving ends of the air conditioning unit and the centrifugal fan.
The invention has the further improvement that the temperature of cooling air output by the cooling air outlet is 20-30 ℃; the speed of cooling air output by the centrifugal fan is 0.5-3.0 m/s.
The invention is further improved in that the main air supply pipeline comprises a first main pipeline and a second main pipeline; the first main pipeline and the second main pipeline are respectively arranged on two sides of the kiln body;
all be provided with 4 ~ 8 cooling air exports on first trunk line and the second trunk line.
The invention discloses an operation method of a furnace body cooling system of a substrate glass furnace, which comprises the following steps:
opening an air conditioning unit, and providing controllable constant-temperature quantitative cooling air through the air conditioning unit;
cooling air is sent into the centrifugal fan through a cooling air outlet of the main air supply pipeline;
the air speed of cooling air is adjusted through a centrifugal fan, and the cooling air with the adjusted air speed is sprayed out through an air outlet of a duckbill air pipe to cool the furnace body of the kiln;
the air temperature of the cooling air outlet is monitored through a cooling air temperature detection probe, and the air temperature is adjusted through adjusting the air conditioning unit; the wind speed of the air outlet of the centrifugal fan is monitored through the cooling wind speed detection probe, and the wind speed is adjusted through adjusting the frequency of the centrifugal fan.
The invention has the further improvement that the temperature of cooling air output from a cooling air outlet is 20-30 ℃; the speed of cooling air output by the centrifugal fan is 0.5-3.0 m/s.
Compared with the prior art, the invention has the following beneficial effects:
the cooling system of the furnace body of the substrate glass kiln comprises an air conditioning unit, an air supply main pipeline, a cooling air outlet, a centrifugal fan and a duckbilled air pipe; the controllable constant-temperature quantitative cooling air can be provided through the air conditioning unit; a cooling air temperature detection probe is arranged at the cooling air outlet, so that the temperature of the cooling air can be monitored in real time; a cooling air speed detection probe is arranged at the outlet of the centrifugal fan and can monitor the cooling air speed; the duckbilled air pipe has the advantages of large cooling area, high temperature resistance and insulating function. The invention has the characteristics of controlling the temperature of cooling air, the quantity of cooling air and the cooling air speed, effectively solves the problem that the furnace body cooling of the furnace is not stable due to the change of environmental temperature (day and night temperature difference, seasonal variation and weather variation) in the production of the substrate glass, and plays a positive role in the safe operation of the substrate glass furnace, the stability of the furnace process and the improvement of the production quality.
Furthermore, the air return ports are located at the height positions of 3-5 m of the furnace enclosing wall, and the opening degree of each air return port has the opening degree adjusting function, so that the internal and external pressure difference can be effectively controlled.
Further, the outside cladding of air supply trunk line has the thermal-insulated heat preservation rubber and plastic material layer that thickness is 30 ~ 50mm, the outside cladding on thermal-insulated heat preservation rubber and plastic material layer has reflection of light rete, and the air supply trunk line has thermal-insulated and elimination trunk line outer wall comdenstion water function to can reduce the decay of cooling air temperature.
Furthermore, the terminal monitoring system can remotely monitor parameters such as the running state of the air conditioner unit, the running state of the centrifugal fan, the frequency of the centrifugal fan, the air temperature of cooling air, the air speed of the cooling air and the like, so that closed-loop control is realized; the centrifugal fan has a frequency remote control function and is convenient to adjust in real time.
The operation method is used for the cooling system, can control the temperature, the quantity and the speed of cooling air, can effectively solve the problem that the cooling of the furnace body of the furnace is not stable due to the change of environmental temperature (day and night temperature difference, seasonal variation and weather variation) in the production of the substrate glass, and plays a positive role in the safe operation of the substrate glass furnace, the stability of the furnace process and the improvement of the production quality.
Furthermore, the cooling air temperature is 20-30 ℃, the cooling air speed is 0.5-3.0m/s (more preferably 1.5-2.5 m/s) and is the optimal range, the furnace body of the kiln can be continuously and stably influenced by the environmental temperature (day and night temperature difference, seasonal change and weather change) in the range, and the defects caused by the instability of the kiln to the production quality are reduced to the minimum.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below; it is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of a substrate glass kiln body cooling system according to an embodiment of the present invention;
in fig. 1, an air conditioning unit; 2. a main air supply pipeline; 3. a cooling air outlet; 4. a connecting hose; 5. a centrifugal fan; 6. a duckbill air duct; 7. a furnace body of the kiln; 8. a kiln enclosure wall; 9. an instrument signal line; 10. a terminal monitoring system; 11. and (4) an air return opening.
Detailed Description
In order to make the purpose, technical effect and technical solution of the embodiments of the present invention clearer, the following clearly and completely describes the technical solution of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention; it is to be understood that the described embodiments are only some of the embodiments of the present invention. Other embodiments, which can be derived by one of ordinary skill in the art from the disclosed embodiments without inventive faculty, are intended to be within the scope of the invention.
Referring to fig. 1, a furnace body cooling system of a substrate glass furnace according to an embodiment of the present invention includes: the device comprises an air conditioning unit 1, a main air supply pipeline 2, a cooling air outlet 3, a connecting hose 4, a centrifugal fan 5, a duckbill air pipe 6 and a terminal monitoring system 10.
The air outlet of the air conditioning unit 1 is communicated with the air inlet of the main air supply pipeline 2; the main air supply pipeline 2 is divided into a left side and a right side which are respectively positioned at two sides of the kiln 7.
A plurality of cooling air outlets 3 are arranged on the main air supply pipeline 2; specifically, the cooling air outlets 3 can be divided into 4-8 groups according to the cooling requirements of the kiln; and a cooling air temperature detection probe is arranged at the cooling air outlet 3.
Wherein, the outer wall of the air supply main pipeline 2 is wrapped by a heat insulation rubber plastic material with the thickness of 30-50 mm, and is wrapped by a reflective film outside the heat insulation rubber plastic material, so that the functions of heat insulation and elimination of the condensed water on the outer wall of the main pipeline are achieved, and the attenuation of the temperature of cooling air can be reduced
The temperature of cooling air output from the cooling air outlet 3 is 20-30 ℃; the speed of the cooling air output by the centrifugal fan 5 is 0.5-3.0m/s, preferably 1.5-2.5m/s as the optimal range.
The cooling air outlet 3 is communicated with an inlet of a centrifugal fan 5 through a connecting hose 4; a cooling air speed detection probe is arranged at the outlet of the centrifugal fan 5; the outlet of the centrifugal fan 5 is communicated with the inlet of the duckbilled air pipe 6 through the connecting hose 4, and the outlet of the duckbilled air pipe 6 is used for leading cooling air out to directly cool the furnace body of the kiln 7. The cooling air temperature detection probe monitors the cooling air temperature; and the cooling wind speed detection probe monitors the cooling wind speed. The material of the connecting hose 4 has insulating and high temperature resistant properties.
The main air supply pipeline 2 is positioned in the kiln enclosing wall 8; a plurality of air return ports 11 are formed in the kiln enclosing wall 8, and the air return ports 11 are located at the height position of 3-5 m of the kiln enclosing wall 8; specifically, at least two air return ports 11 are respectively arranged on two sides of the kiln enclosing wall 8, so that the balance control of the internal and external pressure difference can be effectively carried out, and the balance of the internal and external pressure difference is achieved; and the specific opening degree of each air return inlet can be adjusted according to the control requirement, so that the internal and external pressure difference required by process control is achieved. Specifically, the return air inlet is provided with a mechanical flashboard and an opening and closing motor, and can be manually adjusted in a point mode for adjusting the opening degree.
The terminal monitoring system 10 loads air conditioning unit control software, is connected with the air conditioning unit 1 and a cooling air temperature detection probe installed at the cooling air outlet 3, the centrifugal fan 5 and a cooling air speed detection probe installed at the centrifugal fan 5 outlet through a Distributed Control System (DCS) and an instrument signal line 9, and remotely monitors and controls all equipment and operation parameters of the furnace body cooling system to realize closed-loop control.
Specifically, a cooling air group is formed by a cooling air outlet 3, a connecting hose 4, a centrifugal fan 5 and a duckbill air pipe 6; the number of the cooling air sets is 2-12, 12 sets of outlets are preset in the left main pipeline and the right main pipeline of the cooling air, and the cooling air sets can be started according to process requirements in the actual production process.
The operation method of the furnace body cooling system of the substrate glass furnace provided by the embodiment of the invention comprises the following steps:
opening an air conditioning unit, and providing controllable constant-temperature quantitative cooling air through the air conditioning unit;
cooling air is sent into the centrifugal fan through a cooling air outlet of the main air supply pipeline;
the air speed of cooling air is adjusted through a centrifugal fan, and the cooling air with the adjusted air speed is sprayed out through an air outlet of a duckbill air pipe to cool the furnace body of the kiln;
the air temperature of the cooling air outlet is monitored through a cooling air temperature detection probe, and the air temperature is adjusted through adjusting the air conditioning unit; monitoring the air speed of an air outlet of the centrifugal fan through a cooling air speed detection probe, and adjusting the air speed by adjusting the frequency of the centrifugal fan; the regulation can be monitored and regulated through a terminal monitoring system.
The temperature of cooling air output from the cooling air outlet is 20-30 ℃; the cooling wind speed is in the range of 0.5-3.0m/s (more preferably 1.5-2.5 m/s) as the optimal range, and the furnace body of the kiln can be continuously and stably influenced by the environmental temperature (day and night temperature difference, seasonal variation and weather variation) in the range, so that the defects caused by the instability of the kiln on the production quality are reduced to the minimum.
In summary, the invention discloses a substrate glass kiln body cooling system, which comprises an air conditioning unit, an air supply main pipeline, a cooling air outlet, a centrifugal fan, a duckbill air pipe, a connecting hose, an air return inlet and a terminal monitoring system; the air conditioning unit can provide controllable constant-temperature quantitative cooling air; the air supply main pipeline has the functions of heat insulation and elimination of condensed water on the outer wall of the main pipeline; a cooling air temperature detection probe is arranged at the cooling air outlet; the centrifugal fan has a frequency remote control function; the duckbilled air pipe has the functions of large cooling area, high temperature resistance and insulation; the return air inlet can effectively achieve the balance of the internal and external pressure differences; the terminal monitoring system can remotely monitor the parameters of each device of the cooling system, thereby realizing closed-loop control. The invention effectively solves the problem that the cooling of the furnace body of the furnace is not stable due to the influence of the change of the environmental temperature in the production of the substrate glass, and plays an active role in stabilizing the process of the furnace.
Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can make modifications and equivalents to the embodiments of the present invention without departing from the spirit and scope of the present invention, which is set forth in the claims of the present application.
Claims (10)
1. A substrate glass kiln body cooling system, comprising:
the air conditioning unit (1), the air conditioning unit (1) is used for providing controllable constant temperature quantitative cooling air;
the air supply system comprises an air supply main pipeline (2), an air inlet of the air supply main pipeline (2) is communicated with an air outlet of the air conditioning unit (1), and the air supply main pipeline (2) is provided with a plurality of cooling air outlets (3); each cooling air outlet (3) is provided with a cooling air temperature detection probe;
the air inlet of the centrifugal fan (5) is communicated with the cooling air outlet (3), and the air outlet of the centrifugal fan (5) is provided with a cooling air speed detection probe;
duckbilled tuber pipe (6), the air intake of duckbilled tuber pipe (6) with the air outlet of centrifugal fan (5) is linked together, the air outlet of duckbilled tuber pipe (6) is used for leading to the cooling air and cools off kiln furnace body (7).
2. The substrate glass kiln body cooling system of claim 1, further comprising: a kiln enclosure wall (8);
the main air supply pipeline (2) and the plurality of cooling air outlets (3) are positioned in the kiln enclosing wall (8);
the kiln enclosing wall (8) is provided with a plurality of air return ports (11) for adjusting the internal and external pressure difference.
3. The substrate glass kiln body cooling system according to claim 2, characterized in that the return air opening (11) is provided with a mechanical shutter for adjusting the opening of the return air opening;
and the air return opening (11) is positioned at the height position of 3-5 m of the kiln enclosing wall (8).
4. The substrate glass kiln body cooling system according to claim 1, wherein the outside of the main air supply pipeline (2) is coated with a heat insulation rubber-plastic material layer with a thickness of 30-50 mm, and the outside of the heat insulation rubber-plastic material layer is coated with a reflective film layer.
5. The substrate glass kiln body cooling system of claim 1, further comprising:
the terminal monitoring system (10) is used for adjusting the running state of the air conditioning unit (1), the running state of the centrifugal fan (5) and the frequency of the centrifugal fan (5); the device is used for monitoring the temperature of cooling air at the cooling air outlet (3) and the speed of the cooling air at the air outlet of the centrifugal fan (5).
6. The substrate glass kiln body cooling system according to claim 5, characterized in that the terminal monitoring system (10) is an industrial personal computer or a computer;
the signal input end of the terminal monitoring system (10) is connected with the signal output end of the cooling air temperature detection probe; the signal input end of the terminal monitoring system (10) is connected with the signal output end of the cooling wind speed detection probe;
and the signal output end of the terminal monitoring system (10) is connected with the signal receiving ends of the air conditioning unit (1) and the centrifugal fan (5).
7. The substrate glass kiln body cooling system according to claim 1, wherein the cooling air temperature output from the cooling air outlet (3) is 20-30 ℃; the speed of cooling air output by the centrifugal fan (5) is 0.5-3.0 m/s.
8. The substrate glass kiln body cooling system according to claim 1, characterized in that the main supply air conduit (2) comprises a first main conduit and a second main conduit; the first main pipeline and the second main pipeline are respectively arranged on two sides of the kiln body (7);
all be provided with 4 ~ 8 cooling air outlet (3) on first trunk line and the second trunk line.
9. A method of operating the substrate glass kiln furnace body cooling system of claim 1, comprising:
the air conditioning unit (1) is opened, and controllable constant-temperature quantitative cooling air is provided through the air conditioning unit (1);
cooling air is sent into a centrifugal fan (5) through a cooling air outlet (3) of the main air supply pipeline (2);
the air speed of cooling air is adjusted through a centrifugal fan (5), and the cooling air with the adjusted air speed is sprayed out through an air outlet of a duckbill air pipe (6) to cool a kiln body (7);
the air temperature of the cooling air outlet (3) is monitored through a cooling air temperature detection probe, and the air temperature is adjusted through adjusting the air conditioning unit (1); the wind speed of the air outlet of the centrifugal fan (5) is monitored by a cooling wind speed detection probe, and the wind speed is adjusted by adjusting the frequency of the centrifugal fan (5).
10. The operating method of the substrate glass kiln body cooling system according to claim 9, characterized in that the cooling air temperature output from the cooling air outlet (3) is 20-30 ℃; the speed of cooling air output by the centrifugal fan (5) is 0.5-3.0 m/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937063.2A CN110749203A (en) | 2019-09-29 | 2019-09-29 | Furnace body cooling system of substrate glass kiln and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910937063.2A CN110749203A (en) | 2019-09-29 | 2019-09-29 | Furnace body cooling system of substrate glass kiln and operation method thereof |
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| CN110749203A true CN110749203A (en) | 2020-02-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112777919A (en) * | 2020-12-28 | 2021-05-11 | 彩虹显示器件股份有限公司 | Advanced substrate glass melting device and method |
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| CN206580732U (en) * | 2017-03-09 | 2017-10-24 | 福州东旭光电科技有限公司 | Glass furnace cooling system |
| CN108083615A (en) * | 2017-12-07 | 2018-05-29 | 郑州旭飞光电科技有限公司 | Glass furnace cooling system and the method for extending glass furnace service life |
| CN208532598U (en) * | 2018-05-11 | 2019-02-22 | 彩虹集团有限公司 | A kind of TFT-LCD substrate glass kiln pool wall temperature stabilising arrangement |
-
2019
- 2019-09-29 CN CN201910937063.2A patent/CN110749203A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110223552A1 (en) * | 2010-03-10 | 2011-09-15 | Tokyo Electron Limited | Vertical heat treatment apparatus and method for cooling the apparatus |
| CN206580732U (en) * | 2017-03-09 | 2017-10-24 | 福州东旭光电科技有限公司 | Glass furnace cooling system |
| CN108083615A (en) * | 2017-12-07 | 2018-05-29 | 郑州旭飞光电科技有限公司 | Glass furnace cooling system and the method for extending glass furnace service life |
| CN208532598U (en) * | 2018-05-11 | 2019-02-22 | 彩虹集团有限公司 | A kind of TFT-LCD substrate glass kiln pool wall temperature stabilising arrangement |
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| CN112777919A (en) * | 2020-12-28 | 2021-05-11 | 彩虹显示器件股份有限公司 | Advanced substrate glass melting device and method |
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