CN219463952U - Device and system for drying glass sheet spray coating by using waste heat of kiln - Google Patents
Device and system for drying glass sheet spray coating by using waste heat of kiln Download PDFInfo
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- CN219463952U CN219463952U CN202223575750.0U CN202223575750U CN219463952U CN 219463952 U CN219463952 U CN 219463952U CN 202223575750 U CN202223575750 U CN 202223575750U CN 219463952 U CN219463952 U CN 219463952U
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- drying
- heat
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- air
- glass sheet
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- 239000011521 glass Substances 0.000 title claims abstract description 66
- 238000001035 drying Methods 0.000 title claims abstract description 65
- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- 238000005507 spraying Methods 0.000 title claims abstract description 9
- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 25
- 239000011248 coating agent Substances 0.000 claims abstract description 23
- 238000000576 coating method Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000007605 air drying Methods 0.000 claims abstract description 12
- 239000002440 industrial waste Substances 0.000 claims abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 17
- 239000002241 glass-ceramic Substances 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006060 molten glass Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a device and a system for drying a glass sheet spray coating by utilizing waste heat of a kiln, which relate to the technical field of waste heat recovery and comprise the following steps: the heat exchange mechanism and the air drying mechanism; the heat exchange mechanism comprises a heat exchange medium transmission assembly and a heat absorption pipe, wherein the heat exchange medium transmission assembly is used for conveying a heat exchange medium and the heat absorption pipe, and the heat absorption pipe is used for absorbing heat of industrial waste heat; the air drying mechanism comprises a drying pipe, and the heat absorption pipe is connected with the drying pipe; the heat exchange medium enters the heat absorption pipe, absorbs heat when passing through the heat absorption pipe, and dries the glass sheet sprayed with the release agent coating through the drying pipe. The device can be used for drying the glass sheet sprayed with the release agent coating by using the heat generated by industrial waste heat, so that the energy consumption is reduced and the surface quality of the glass sheet is not affected.
Description
Technical Field
The application relates to the technical field of waste heat recovery, in particular to a device and a system for drying a glass sheet spray coating by using waste heat of a kiln.
Background
In the production of glass, a kiln (such as a roller kiln) is required to be used for carrying out heat treatment on glass sheets according to a certain temperature curve, and cooling is required to be carried out according to a certain cooling speed. Natural cooling or other modes are often adopted to take away heat in the cooling process. This results in a significant amount of heat being wasted and increases the ambient temperature at the production site. In the production of ultra-thin glass sheets, a layer of release agent is sprayed on the glass sheets in order to avoid adhesion of the stacked glass sheets when the ultra-thin glass sheets are subjected to crystallization heat treatment, and the release agent contains a large amount of water. The glass sheets coated with the release agent are stacked and then heat-treated after being dried by a dryer, and the surface quality of the glass sheets is not affected during drying. In order to reduce the energy consumption, how to use the heat taken away when cooling the glass to dry the glass sheet sprayed with the release agent coating so as to achieve the purpose of reducing the energy consumption without affecting the surface quality of the glass sheet is a problem to be solved by the skilled in the art.
Disclosure of Invention
Purpose of (one) application
In view of this, the purpose of this application is to provide a device and system that utilize the waste heat of kiln to the glass piece spraying layer stoving to the solution is used for the glass piece stoving of spraying release agent coating with the heat of taking away when cooling down to glass, thereby reaches the technical problem that reduces the energy consumption and does not influence the surface quality of glass piece's purpose.
(II) technical scheme
The application discloses utilize waste heat of kiln to device of glass piece spraying layer stoving, include: the heat exchange mechanism and the air drying mechanism; the heat exchange mechanism comprises a heat exchange medium transmission assembly and a heat absorption pipe, wherein the heat exchange medium transmission assembly is used for conveying a heat exchange medium and the heat absorption pipe, and the heat absorption pipe is used for absorbing heat of industrial waste heat; the air drying mechanism comprises a drying pipe, and the heat absorption pipe is connected with the drying pipe; the heat exchange medium enters the heat absorption pipe, absorbs heat when passing through the heat absorption pipe, and dries the glass sheet sprayed with the release agent coating through the drying pipe.
In one possible embodiment, the heat exchange medium is air.
In one possible embodiment, the heat exchange mechanism further comprises a first branch pipe and a second branch pipe, wherein the first branch pipe comprises a first air inlet and a plurality of first air outlets; the second branch pipe comprises a plurality of second air inlets and second air outlets, and the first branch pipe and the second branch pipe are arranged in parallel at intervals; the heat absorption pipe comprises a plurality of heat absorption branch pipes; a plurality of heat absorption branch pipes are distributed at intervals of the first branch pipes and the second branch pipes, two ends of each heat absorption branch pipe are respectively connected with the first branch pipes and the second branch pipes, and a plurality of first air outlets and a plurality of second air inlets are communicated through a plurality of heat absorption branch pipes; the second air outlet is connected with the drying pipe.
In one possible embodiment, the air drying mechanism further comprises a heat exchange medium transmission pipe, and the heat exchange medium transmission pipe is arranged between the second air outlet and the drying pipe.
In one possible embodiment, the heat exchange medium transfer pipe is provided with a hot air evacuation port.
In one possible embodiment, the hot air outlet has a valve which controls the closing.
In one possible embodiment, the drying duct includes a plurality of air outlet holes provided on a wall of the drying duct.
In one possible embodiment, the plurality of air outlet holes are disposed along the drying tube axis.
In one possible embodiment, the fan comprises a fan air inlet and a fan air outlet; air enters the heat absorption pipe through the air inlet of the fan.
As a second aspect of the present application, there is also provided a system for drying a sprayed coating of glass sheets using waste heat from a kiln, comprising an apparatus as described in any one of the above and a conveyor line for conveying coated glass sheets, said apparatus drying coated glass sheets on the conveyor line.
(III) beneficial effects
The device and the system can be used for drying the glass sheet sprayed with the release agent coating by using the heat generated by industrial waste heat, so that the energy consumption is reduced and the surface quality of the glass sheet is not affected.
Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application. The objects and other advantages of the present application may be realized and attained by the written description which follows.
Drawings
The embodiments described below with reference to the drawings are exemplary and intended for the purpose of illustrating and explaining the present application and are not to be construed as limiting the scope of protection of the present application.
FIG. 1 is a block diagram of the present utility model;
wherein: 1. a heat exchange mechanism; 2. an air drying mechanism; 3. a blower; 4. a transmission line; 5. a glass sheet; 11. a heat absorbing branch pipe; 12. a first branch pipe; 13. a second branch pipe; 21. a drying tube; 22. a heat exchange medium transfer tube; 23. a valve; 24. an air outlet hole; 25. a hot air evacuation port; 31. an air inlet of the fan.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the foregoing description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "one side", "the other side", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of description and simplification of the description, and are not indicative or implying that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "identical" and the like do not denote that the components are identical, but rather that there may be minor differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel" and does not mean that the structure must be perfectly perpendicular, but may be slightly tilted.
As shown in fig. 1, this embodiment provides a device for drying a sprayed layer of a glass sheet by using waste heat of a kiln, including: a heat exchange mechanism 1 and an air drying mechanism 2; the heat exchange mechanism 1 comprises a heat exchange medium transmission assembly and a heat absorption pipe, wherein the heat exchange medium transmission assembly is used for conveying a heat exchange medium and the heat absorption pipe, and the heat absorption pipe is used for absorbing heat of industrial waste heat; the air drying mechanism 2 comprises a drying pipe 21, and the heat absorption pipe is connected with the drying pipe 21; the heat exchange medium enters the heat absorption pipe, absorbs heat of industrial waste heat when passing through the heat absorption pipe, and dries the glass sheet 5 sprayed with the release agent coating through the drying pipe 21. When the heat of the industrial waste heat is the heat of the glass ceramics during cooling, the heat absorbing pipe can be arranged above and below the driving roller rod in the cooling area of the glass ceramics crystallization kiln, a large amount of heat can be emitted, and the drying pipe 21 can be arranged right above the transmission line 4 of the glass sheet 5 parallel to the spraying of the release agent coating. The position of the heat absorption pipe can be arranged in a cold end area on the glass production line, and a large amount of heat can be dissipated in the cold end area in order to fully cool the glass, and the selection of the position can be freely selected according to actual conditions. The following examples mainly illustrate the heating of the absorber tube by utilizing the waste heat of the cooling zone of the glass ceramic crystallization kiln.
The heat exchange medium absorbs heat generated by cooling the glass ceramics through the heat absorption pipe, the glass sheet 5 sprayed with the release agent coating is dried through the drying pipe 21, and the heat generated by cooling the glass ceramics is used for drying the glass sheet 5 sprayed with the release agent coating, so that the energy consumption is reduced and the surface quality of the glass sheet 5 is not affected. The heat exchange medium may be a liquid medium or a gaseous medium, for example, when the heat exchange medium is water in the liquid medium, the water absorbs heat through the heat absorption pipe and then brings the heat to the drying pipe 21.
In this embodiment, the heat exchange medium is air. The heat exchange medium transmission assembly further comprises a first branch pipe 12 and a second branch pipe 13, wherein the first branch pipe 12 comprises a first air inlet and a plurality of first air outlets; the second branch pipe 13 comprises a plurality of second air inlets and second air outlets, and the first branch pipe 12 and the second branch pipe 13 are arranged in parallel at intervals; the heat absorption pipe includes a plurality of heat absorption branch pipes 11; a plurality of heat absorbing branch pipes 11 are distributed at intervals of the first branch pipes 12 and the second branch pipes 13, two ends of each heat absorbing branch pipe 11 are respectively connected with the first branch pipes 12 and the second branch pipes 13, and a plurality of first air outlets and a plurality of second air inlets are communicated through the plurality of heat absorbing branch pipes 11; the second air outlet is connected with the drying pipe 21; the air drying mechanism 2 further comprises a heat exchange medium transmission pipe 22, and the heat exchange medium transmission pipe 22 is arranged between the second air outlet and the air inlet of the drying pipe 21; the heat exchange medium transmission pipe 22 is provided with a hot air emptying port 25, and the hot air emptying port 25 is used for discharging redundant hot air; the hot air exhausting port 25 is provided with a valve 23 for controlling to be closed; the drying tube 21 comprises a plurality of air outlet holes 24, and air which absorbs heat in the heat absorbing tube can be directly blown on the surface of the glass sheet 5 coated with the release agent coating through the air outlet holes 24, and the plurality of air outlet holes 24 are arranged on the tube wall of the drying tube 21; the plurality of air outlet holes 24 are arranged along the axis of the drying pipe 21, and uniformly diffuse the hot air to the glass sheet 5 just sprayed with the release agent coating. The heat exchange mechanism 1, the heat exchange medium transmission pipe 22 and the drying pipe 21 are all made of stainless steel. The heat exchange mechanism 1, the heat exchange medium transmission pipe 22 and the drying pipe 21 are all subjected to heat preservation treatment. The device also comprises a fan 3, wherein the fan 3 comprises a fan air inlet 31 and a fan air outlet; the heat absorbing pipe is connected with a fan air outlet of the fan 3, and air enters the heat absorbing pipe through a fan air inlet 31.
The heat generated by cooling the glass ceramics is absorbed by the air through the heat absorption pipe to become hot air, and then the glass sheet 5 sprayed with the release agent coating is dried through the drying pipe 21, so that the heat generated by cooling the glass ceramics is used for drying the glass sheet 5 sprayed with the release agent coating, and the energy consumption is reduced. In addition, the high-temperature gas in the kiln contains SO 3 And volatile alkali metal compounds, when Na+, K+, cl-, are contained in the molten glass, naCl and KCl vapors inevitably volatilize, and these gases are liable to react with the glass sheet 5 or are deposited on the surface of the glass sheet 5 by cooling, resulting in quality defects. Cold air is sucked into the heat absorption pipe through the fan 3, and the air in the heat absorption pipe is heated by utilizing waste heat, so that the quality defect caused by that the air with heat directly sucked into a kiln is sprayed on the surface of the glass sheet 5 sprayed with the release agent coating is avoided.
As a second aspect of the present application, there is also provided a system for drying a sprayed layer of a glass sheet 5 using waste heat of a kiln, comprising an apparatus as described in any one of the above and a conveyor line 4 for conveying the glass sheet 5 coated with a release agent, said apparatus drying the glass sheet 5 coated with the release agent on the conveyor line 4. The position of the drying tube 21 may be set directly above the transfer line 4 parallel to the glass sheet 5 coated with the release agent.
The air blown in by the fan 3 is changed into hot air by absorbing heat by the heat exchange mechanism 1 arranged above and below the driving roller in the cooling area of the glass crystallization kiln. The heat of a cooling area of the glass crystallization kiln is taken away, so that the temperature of the area is reduced; the heat exchange mechanism 1 transmits hot air to the drying pipe 21 through the heat exchange medium transmission pipe 22, and blows the hot air to the glass sheet 5 coated with the release agent through the air outlet 24 on the drying pipe 21 for drying. The investment of drying equipment and the investment of energy sources for drying are saved, the cost is saved, the cooling purpose required by the microcrystalline glass production process is achieved, the reutilization of waste heat is realized, and the economic benefit is improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, and all such modifications are intended to be encompassed within the scope of the claims of the present application.
Claims (10)
1. The device for drying the glass sheet spray coating by utilizing the waste heat of the kiln is characterized by comprising: the heat exchange mechanism and the air drying mechanism; the heat exchange mechanism comprises a heat exchange medium transmission assembly and a heat absorption pipe, wherein the heat exchange medium transmission assembly is used for conveying a heat exchange medium and the heat absorption pipe, and the heat absorption pipe is used for absorbing heat of industrial waste heat; the air drying mechanism comprises a drying pipe, and the heat absorption pipe is connected with the drying pipe; the heat exchange medium enters the heat absorption pipe, absorbs heat when passing through the heat absorption pipe, and dries the glass sheet sprayed with the release agent coating through the drying pipe.
2. The apparatus for drying a sprayed glass sheet coating using waste heat of a kiln as recited in claim 1, wherein the heat exchange medium is air.
3. The apparatus for drying a sprayed coating of a glass sheet using waste heat from a furnace of claim 2, wherein the heat exchange medium transfer assembly further comprises a first manifold and a second manifold, the first manifold comprising a first air inlet and a plurality of first air outlets; the second branch pipe comprises a plurality of second air inlets and second air outlets, and the first branch pipe and the second branch pipe are arranged at intervals; the heat absorption pipe comprises a plurality of heat absorption branch pipes; the first air outlets and the second air inlets are communicated in one-to-one correspondence through the heat absorbing branch pipes, and the second air outlets are connected with the drying pipes.
4. A device for drying a sprayed coating of a glass sheet by utilizing waste heat of a kiln as in claim 3, wherein the air drying mechanism further comprises a heat exchange medium transmission pipe, and the heat exchange medium transmission pipe is arranged between the second air outlet and the drying pipe.
5. The apparatus for drying a sprayed glass sheet coating using waste heat of a kiln according to claim 4, wherein the heat exchange medium transfer pipe is provided with a hot air exhaust port.
6. The apparatus for drying a sprayed glass sheet using waste heat from a furnace of claim 5, wherein said hot air exhaust port has a valve for controlling closing.
7. The apparatus for drying a sprayed coating of a glass sheet using waste heat from a kiln as recited in claim 1, wherein the drying tube includes a plurality of air outlet holes provided on a wall of the drying tube.
8. The apparatus for drying a sprayed glass sheet using waste heat from a furnace of claim 7, wherein the plurality of air outlet holes are provided along the axis of the drying tube.
9. The device for drying the sprayed coating of the glass sheet by using the waste heat of the kiln as claimed in claim 2, further comprising a fan, wherein the fan comprises a fan air inlet and a fan air outlet; air enters the heat absorption pipe through the air inlet of the fan.
10. A system for drying a sprayed layer of glass sheets using waste heat from a kiln, comprising a device according to any one of claims 1 to 9 and a conveyor line for conveying glass sheets coated with a release agent, said device drying glass sheets coated with a release agent on the conveyor line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223575750.0U CN219463952U (en) | 2022-12-30 | 2022-12-30 | Device and system for drying glass sheet spray coating by using waste heat of kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223575750.0U CN219463952U (en) | 2022-12-30 | 2022-12-30 | Device and system for drying glass sheet spray coating by using waste heat of kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219463952U true CN219463952U (en) | 2023-08-04 |
Family
ID=87460344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223575750.0U Active CN219463952U (en) | 2022-12-30 | 2022-12-30 | Device and system for drying glass sheet spray coating by using waste heat of kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219463952U (en) |
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2022
- 2022-12-30 CN CN202223575750.0U patent/CN219463952U/en active Active
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