CN219929911U - Toughened glass hot-blast stove - Google Patents
Toughened glass hot-blast stove Download PDFInfo
- Publication number
- CN219929911U CN219929911U CN202321435500.9U CN202321435500U CN219929911U CN 219929911 U CN219929911 U CN 219929911U CN 202321435500 U CN202321435500 U CN 202321435500U CN 219929911 U CN219929911 U CN 219929911U
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- China
- Prior art keywords
- box body
- air
- lower box
- return
- return air
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- 239000005341 toughened glass Substances 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 abstract description 28
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 150000003568 thioethers Chemical class 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 101150013030 FAN1 gene Proteins 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005496 tempering Methods 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
- 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
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a toughened glass hot-blast stove, which comprises a conveying roller connected with the upper surface of a lower box body and positioned below an upper box body; the inner cavities of the upper and lower box bodies are connected with upper and lower air knives, and the exhaust holes of the upper and lower air knives face the upper and lower sides of the conveying roller; the upper end part of the lifting tube of the lower box body is inserted into the guide cylinder of the upper box body, and the screw rod on the guide cylinder drives the lifting tube to move up and down in the guide cylinder through threaded fit, so that the lifting of the lower box body and the conveying roller on the lower box body is realized; when the upper surface of the lower box body and the conveying roller rise to be in butt joint with the lower surface of the upper box body, the upper box body and the lower box body form a closed heating inner cavity. The upper sensor and the lower sensor are used for respectively controlling different motors to drive the rotating plate to adjust the return air quantity of the return air pipe, so that the adjustment of different temperatures of the heated glass is realized. Especially, the Low-E coated glass is heated, so that the upper and lower surfaces of the glass are heated uniformly, the heating time is obviously shortened, and the heating energy consumption is saved. Eliminates the pollution of sulfides generated by combustion to the surface of the glass and improves the processing quality of the glass.
Description
Technical Field
The utility model relates to a heating device for glass; in particular to a toughened glass hot blast stove.
Background
In the prior art, toughened glass, such as sheet glass, is processed by horizontally conveying the sheet glass into an electric heating furnace or a direct gas combustion furnace through a conveying roller for high-temperature heating, and then conveying the sheet glass into a toughening furnace for toughening treatment. For the tempering of the Low-E coated glass, one surface of the glass is coated with a light-transmitting and infrared-reflecting film layer, and in the high-temperature heating process, the temperature of the upper surface and the lower surface of the glass is extremely unbalanced due to the fact that the heating speed of the glass on one surface of the coated layer is Low, and the temperature difference is large. In order to increase the heating temperature of the Low-E coated glass, a forced high-temperature gas convection device is additionally arranged in the furnace. There are disadvantages: firstly, install forced high temperature gas convection device additional, need prolong the heating time of glass to reduce heating efficiency, increased the heating energy consumption. And secondly, direct gas is adopted in the furnace for high-temperature heating, sulfide generated by combustion gas directly pollutes the surface of the glass, and the processing quality of the glass is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a toughened glass hot blast stove, which aims to improve the heating efficiency, save the heating energy consumption and improve the processing quality of glass.
In order to achieve the above purpose, the technical scheme of the toughened glass hot blast stove of the utility model is as follows: comprises a conveying roller, an air inlet pipe and an air return pipe; an upper box body is fixedly connected above a bracket; the upper surface of the lower box body is rotatably connected with a conveying roller which is positioned below the upper box body; the inner cavities of the upper box body and the lower box body are connected with an upper air knife and a lower air knife; the exhaust holes of the upper air knife and the lower air knife face the upper part and the lower part of the conveying roller; the side edge of the upper box body is connected with a guide cylinder, and the side edge of the lower box body is connected with a lifting pipe; the upper end of the lifting tube is inserted into the guide cylinder, and the chain wheel connected with the upper end of the guide cylinder drives the screw rod to be in threaded connection with the upper end of the lifting tube, so that the lifting tube is controlled to move up and down in the guide cylinder to drive the lower box body and the conveying roller above the lower box body to lift; when the upper surface of the lower box body and the conveying roller rise to be in butt joint with the lower surface of the upper box body, the upper box body and the lower box body form a closed heating inner cavity.
Preferably, the inlet and return air pipe connectors connected with the inlet and return air inlet of the lower box body are inclined end surfaces, the inclined end surfaces are connected with positioning telescopic rods and springs, and the positioning telescopic rods are elastically extruded and sealed with the inclined end surfaces of the inlet and return air inlet of the lower box body through compression of the springs.
Preferably, an upper motor is connected to the air return port of the upper box body communicated with the air return pipe, and an upper rotating plate of the upper motor is rotatably positioned in the inner cavity of the air return port; the upper sensor enters the inner cavity of the upper box body through the outer side of the upper box body so as to control the upper motor to drive the upper rotating plate to rotate, and the air return quantity of the upper box body is adjusted.
Preferably, a return air motor is connected to a return air pipe close to the return air inlet of the lower box body, and a return air rotating plate of the return air motor is rotatably positioned in the inner cavity of the return air pipe; the lower sensor is inserted into the inner cavity of the lower box body through the outer side of the lower box body so as to control the return air motor to drive the return air rotating plate to rotate, and the return air quantity of the lower box body is adjusted.
Preferably, an outer air port is arranged at the air return pipe connected with the fan, an outer air motor is connected to the outer air port, and an outer air rotating plate of the outer air motor is rotatably positioned in the outer air port; the outer wind motor is controlled by the upper sensor to drive the outer wind rotating plate to rotate so as to adjust the outer wind quantity entering the fan through the return air pipe.
Preferably, the exhaust hole end surfaces of the upper air knife and the lower air knife are in an angle shape.
The utility model adopts the structure, in the working process, the upper and lower surfaces of the glass conveyed by the conveying roller are heated at high temperature by the heating wind exhausted by the upper and lower air knives in the sealed inner cavity of the upper and lower box bodies in butt joint, and the upper and lower sensors are adopted to respectively control the different motors to drive the rotating plates to adjust the return air quantity of the return air pipe, so that the adjustment of different heating temperatures of the inner cavities of the upper and lower box bodies is realized. Especially, the high-temperature heating of the Low-E coated glass achieves the balance of the heating temperature of the upper surface and the lower surface of the glass. Compared with the prior art, the heating time is obviously reduced, the heating efficiency is improved, and the heating energy consumption is saved. The hot air generated by combustion of the burner enters the inner cavities of the upper box body and the lower box body through the hot air furnace to heat the glass at high temperature, so that pollution to the surface of the glass caused by sulfide generated by directly burning gas in the furnace is eliminated, and the processing quality of the glass is effectively improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 is a plan view, partially in section, of the fig. 1 device of the present utility model.
Fig. 3 is an enlarged view of the present utility model at X in fig. 2.
Fig. 4 is a view of the inlet and return air duct of fig. 1 engaged with the inlet and return air duct of the lower housing.
Fig. 5 is an enlarged view of the air inlet pipe interface at K in fig. 2 separated from the air inlet of the lower case.
Fig. 6 is a view of the junction of the air inlet pipe interface at K in fig. 5 with the air inlet of the lower box.
Fig. 7 is a view in partial cross section of the rear view of fig. 2 in accordance with the present utility model.
Fig. 8 is a cross-sectional view taken along line A-A in fig. 7 in accordance with the present utility model.
Fig. 9 is an enlarged view of the return air duct of fig. 7 with the return air flap closed in accordance with the present utility model.
Fig. 10 is an enlarged view of the return air duct of fig. 9 opening at the return air flap.
FIG. 11 is an enlarged view of the return air opening of the upper housing of FIG. 7 for opening the upper swing plate at L in accordance with the present utility model.
Fig. 12 is an enlarged view of the upper swing plate of fig. 11 closing the return air opening of the upper case according to the present utility model.
FIG. 13 is an enlarged view of the vent holes of the upper and lower air knives of FIG. 8 according to the present utility model.
In the above figures, the name-part numbers are as follows: a fan-1; an air return pipe-2; an air inlet pipe-3 and an air inlet pipe joint-3-1; an upper motor-4 and an upper rotating plate-4-1; the return air motor-5 and the return air rotating plate-5-1; uploading a sensor-6; an upper box body-7; a conveying roller-8; a return air pipe joint-9; sprocket wheel-10; -a lower sensor-11; a transmission wheel shaft-12; the lower box body-13, the lower box body air inlet-13-1 and the lower box body air return opening-13-2; glass plate-14; a bracket-15; a burner-16; hot blast stove-17; a screw-18; a nut-19; a guide cylinder-20; a lifting tube-21; a windup knife-22; a leeward knife-23; a spring-24; an external wind motor-25; and an external wind rotating plate-25-1.
Detailed Description
The principles and features of the present utility model are described in detail below with reference to the accompanying drawings. It should be noted that: the examples are given for the purpose of illustration only and are not intended to limit the scope of the utility model.
The toughened glass hot blast stove (shown in figures 1-13) comprises a conveying roller 8, air inlet and air return pipes 3 and 2, and an upper box body 7 is fixedly connected above a bracket 15; the upper surface of the lower box body 13 is rotatably connected with a conveying roller 8 and is positioned below the upper box body (shown in figures 1-3); the inner cavities of the upper and lower box bodies 7, 13 are connected with a plurality of upper and lower air knives 22, 23 at intervals; the exhaust holes of the upper and lower air knives face the upper and lower sides of the conveying roller 8 (shown in fig. 8 and 13); four corners of the side edge of the upper box body 7 are connected with guide cylinders 20, and four corners of the side edge of the lower box body 13 are connected with lifting pipes 21; the upper end of the lifting tube is inserted into a guide cylinder 20 (shown in fig. 2 and 3), a chain wheel 10 connected with the upper end of the guide cylinder 20 drives a screw rod 18 to be in threaded connection with a nut 19 at the upper end of a lifting tube 21, and the lifting tube 21 is controlled to move up and down in the guide cylinder 20 so as to drive the lower box 13 and the conveying roller 8 above the lower box to lift; when the upper surface of the lower box body and the conveying roller 8 are lifted to be in butt joint with the lower surface of the upper box body 7, the upper box body 7 and the lower box body 13 form a closed heating inner cavity (shown in figure 2).
For the convenience of maintenance and replacement of the conveying roller 8, the inlet and return air pipe connectors 3-1 and 9 connected with the inlet and return air inlets of the lower box body 13 are generally set to be inclined end surfaces (shown in fig. 1, 2, 5 and 6), and the inclined end surfaces are connected with positioning telescopic rods and springs 24, and are elastically extruded and sealed with the inclined end surfaces 13-1 and 13-2 of the inlet and return air inlets of the lower box body 13 through compression of the springs.
In order to adjust the heating temperature of the inner cavity of the upper box body, an upper motor 4 (shown in figures 4, 7 and 11) is connected to the air return port of the upper box body 7 communicated with the air return pipe 2, and an upper rotating plate 4-1 of the upper motor is rotatably positioned in the inner cavity of the air return port; the upper sensor 6 enters the inner cavity of the upper box body 7 through the outer side of the upper box body so as to control the upper motor to drive the upper rotating plate to rotate, adjust the air return quantity of the upper box body and realize the control of the temperature of the inner cavity of the upper box body.
In order to adjust the heating temperature of the inner cavity of the lower box body, a return air motor 5 (shown in figures 4, 7, 9 and 10) is connected to a return air pipe close to a return air opening 13-2 of the lower box body 13, and a return air rotating plate 5-1 of the return air motor is rotatably positioned in the inner cavity of the return air pipe 2; the lower sensor 11 enters the inner cavity of the lower box body through the outer side of the lower box body 13 to control the return air motor 5 to drive the return air rotating plate 5-1 to rotate, and the return air quantity of the lower box body is adjusted to realize the control of the temperature of the inner cavity of the lower box body 13.
An outer air port is arranged at the position of an air return pipe 2 connected with the fan 1, an outer air motor 25 (shown in figure 4) is connected to the outer air port, and an outer air rotating plate 25-1 of the outer air motor is rotatably positioned in the outer air port; the outer wind motor 25 is controlled by the upper sensor 6 to drive the outer wind rotating plate 25-1 to rotate so as to adjust the outer wind quantity entering the fan 1 through the return air pipe 2 and realize the control of the heating temperature of the inner cavity of the upper box 7.
The exhaust hole end surfaces of the upper and lower air knives 22, 23 are inclined at an obtuse angle (shown in fig. 8 and 13). The upper motor 4, the return air motor 5 and the external air motor 25 are all servo motors.
In operation (shown in figures 1 to 13), the burner 16 is in communication with the stove 17 and the motor is connected to the stove 17 by the belt driven fan 1. The speed reducer connected to the outer side of the lower box 13 drives the conveying roller 8 to rotate through the transmission wheel shaft 12. The side of the Low-E coated glass plate 14 with the film layer is placed upwards on the conveying roller 8 and enters the inner cavities (shown in figures 1 and 2) of the upper box body 7 and the lower box body 13. The hot air generated by the burner 16 enters the hot air furnace 17, and under the operation of the fan 1, the hot air in the hot air furnace is respectively sent into the inner cavities of a plurality of upper and lower air knives 22 and 23 in the upper and lower box bodies 7 and 13 through the air outlet holes of the upper and lower air knives, and is sprayed to the upper and lower surfaces of the glass plate 14 on the conveying roller 8 for high-temperature heating (shown by arrow directions in fig. 1-3, 7, 8 and 13).
When the heating temperature of the coating layer on the Low-E glass entering the inner cavity of the upper box body 7 is Low, the upper sensor 6 of the inner cavity of the upper box body sends out signals, and the electric control device respectively and automatically controls: 1. the combustor 16 generates an increased amount of hot gases. 2. The upper motor 4 drives the upper rotating plate 4-1 to rotate for setting a rotation angle, the return air inlet part of the upper box body 7 is closed, and the return air quantity of the return air inlet is reduced (shown by arrow directions in reference to fig. 7, 11 and 12); 3. the external wind motor 25 drives the external wind rotating plate 25-1 to rotate to close the external wind gap (refer to fig. 4), and external low-temperature air does not enter the fan 1, so that the temperature of the inner cavity of the upper box 7 is rapidly increased.
When the temperature of the inner cavity of the lower box body 13 is high, the lower sensor 11 of the inner cavity of the lower box body sends out a signal, the return air motor 5 drives the return air rotating plate 5-1 to rotate for setting a rotating angle, the inner cavity of the return air pipe 2 close to the return air inlet of the lower box body 13 is partially opened, the return air quantity leading to the return air pipe is increased (refer to fig. 7 and 10), and the temperature of the inner cavity of the lower box body is reduced. The upper and lower surfaces of the Low-E coated glass are heated uniformly, so that the heating efficiency is improved, and the energy consumption is saved. The hot air burnt by the burner 16 enters the inner cavities of the upper and lower boxes 7 and 13 through the hot blast stove 17 to heat the glass, thereby eliminating the pollution of sulfides generated by combustion to the surface of the glass.
When the conveying roller 8 needs to be maintained or replaced, an electric device (not shown in the drawing) arranged on the upper box body 7 drives a chain wheel 10 to drive a screw 18 to rotate anticlockwise, and the screw is in threaded connection with a nut 19 to push a lifting pipe 21 to descend, so that the lower box body 13 and the conveying roller 8 arranged on the lower box body are driven to be separated from the lower surface of the upper box body 7 by a distance (shown in figures 1-3). During the descending process of the lower box body 13, the air inlet and air return openings 13-1 and 13-2 of the lower box body are elastically connected and separated with the inclined end surfaces of the interfaces 3-1 and 9 of the air inlet and air return pipes 3 and 2 (shown in figures 1 and 5). The lower box 13 is lifted to restore to the original position, and the lower box air inlet and air return inlets 13-1 and 13-2 are elastically engaged with the inclined end surfaces of the air inlet and air return pipes 3 and 2 and the interfaces 3-1 and 9 (shown in figures 4 and 6).
The foregoing is only a preferred embodiment of the present utility model. It should be noted that: it will be apparent to those skilled in the art that, by substantially the same means, substantially the same functions are achieved, substantially the same effects are achieved, other technical features which can be obviously imagined without the need of creative efforts, and several variations and/or improvements in substantially the same way can be substituted, and these variations should be regarded as equivalent features within the scope of protection of the patent of the present utility model.
Claims (6)
1. A toughened glass hot blast stove comprises a conveying roller, an air inlet pipe and an air return pipe; the method is characterized in that: an upper box body is fixedly connected above the bracket; the upper surface of the lower box body is rotatably connected with a conveying roller which is positioned below the upper box body; the inner cavities of the upper box body and the lower box body are connected with an upper air knife and a lower air knife; the exhaust holes of the upper air knife and the lower air knife face the upper part and the lower part of the conveying roller; the side edge of the upper box body is connected with a guide cylinder, and the side edge of the lower box body is connected with a lifting pipe; the upper end of the lifting tube is inserted into the guide cylinder, and the chain wheel connected with the upper end of the guide cylinder drives the screw rod to be in threaded connection with the upper end of the lifting tube, so that the lifting tube is controlled to move up and down in the guide cylinder to drive the lower box body and the conveying roller above the lower box body to lift; when the upper surface of the lower box body and the conveying roller rise to be in butt joint with the lower surface of the upper box body, the upper box body and the lower box body form a closed heating inner cavity.
2. A tempered glass hot blast stove as claimed in claim 1, wherein: the inlet and return air pipe connectors connected with the inlet and return air inlet of the lower box body are inclined end surfaces, the inclined end surfaces are connected with positioning telescopic rods and springs, and the positioning telescopic rods are elastically extruded and sealed with the inclined end surfaces of the inlet and return air inlet of the lower box body through compression of the springs.
3. A tempered glass hot blast stove as claimed in claim 2, wherein: an upper motor is connected to the air return port of the upper box body communicated with the air return pipe, and an upper rotating plate of the upper motor is rotatably positioned in the inner cavity of the air return port; the upper sensor enters the inner cavity of the upper box body through the outer side of the upper box body so as to control the upper motor to drive the upper rotating plate to rotate, and the air return quantity of the upper box body is adjusted.
4. A tempered glass hot blast stove as claimed in claim 3, wherein: a return air motor is connected to a return air pipe close to the return air inlet of the lower box body, and a return air rotating plate of the return air motor is rotatably positioned in the inner cavity of the return air pipe; the lower sensor is inserted into the inner cavity of the lower box body through the outer side of the lower box body so as to control the return air motor to drive the return air rotating plate to rotate, and the return air quantity of the lower box body is adjusted.
5. A tempered glass hot blast stove as claimed in claim 4, wherein: an air return pipe connected with the fan is provided with an outer air port, an outer air motor is connected to the outer air port, and an outer air rotating plate of the outer air motor is rotatably positioned in the outer air port; the outer wind motor is controlled by the upper sensor to drive the outer wind rotating plate to rotate so as to adjust the outer wind quantity entering the fan through the return air pipe.
6. A tempered glass hot blast stove as claimed in claim 5, wherein: the exhaust hole end surfaces of the upper air knife and the lower air knife are in an angle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435500.9U CN219929911U (en) | 2023-05-29 | 2023-05-29 | Toughened glass hot-blast stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321435500.9U CN219929911U (en) | 2023-05-29 | 2023-05-29 | Toughened glass hot-blast stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219929911U true CN219929911U (en) | 2023-10-31 |
Family
ID=88491930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321435500.9U Active CN219929911U (en) | 2023-05-29 | 2023-05-29 | Toughened glass hot-blast stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219929911U (en) |
-
2023
- 2023-05-29 CN CN202321435500.9U patent/CN219929911U/en active Active
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