CN112939434B - Tempering furnace for glass production - Google Patents
Tempering furnace for glass production Download PDFInfo
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- CN112939434B CN112939434B CN202110464407.XA CN202110464407A CN112939434B CN 112939434 B CN112939434 B CN 112939434B CN 202110464407 A CN202110464407 A CN 202110464407A CN 112939434 B CN112939434 B CN 112939434B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/04—Tempering or quenching glass products using gas
- C03B27/0404—Nozzles, blow heads, blowing units or their arrangements, specially adapted for flat or bent glass sheets
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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
Abstract
The invention relates to a toughening furnace for glass production, which belongs to the technical field of glass processing equipment and comprises a heating box body, a cooling box body and a conveying roller set, wherein the conveying roller set penetrates through the heating box body and the cooling box body; the cooling box body comprises a box body, a plurality of upper cooling mechanisms are distributed in the box body and positioned on the conveying roller set along the conveying direction, and a plurality of lower cooling mechanisms are distributed in the box body and positioned on the lower side of the conveying roller set along the conveying direction; the upper cooling mechanism comprises an upper air box, and a first air supply assembly and a first air absorption assembly are arranged on the upper air box, wherein the first air supply assembly supplies air to one side of the conveying roller set, and the first air absorption assembly absorbs the wind power of one side of the conveying roller set. Through adopting above-mentioned technical scheme, cooling temperature in-process is being carried out glass, forms the air reflux near glass, improves glass cooling efficiency.
Description
Technical Field
The invention belongs to the technical field of glass processing equipment, and particularly relates to a toughening furnace for glass production.
Background
The physical glass toughening furnace is divided according to quenching media and can be divided into a gas toughening method, a liquid cooling toughening method, a particle toughening method and a spray toughening method. The gas tempering is mainly applied to industries such as automobiles, steamships, buildings, furniture, household appliances and the like, can temper glass with the glass thickness of more than 2.85mm, has the defects of low cooling speed and high energy consumption, has the problem of glass deformation of thin glass, cannot meet the field with high optical quality, has the advantages of low cost and high yield of air-cooled tempering, and is suitable for quenching thin glass with the glass thickness of less than 2.85mm by a liquid-cooled tempering method, a particle tempering method and a spray tempering method, so that the energy consumption is low.
When glass is tempered by a gas tempering method in the prior art, an air supply system is adopted for cooling. However, the air supply system in the prior art generally blows air to the upper side surface and the lower side surface of the glass, the air return device is generally arranged on the box body, or the air return device is not arranged, therefore, when toughened glass is manufactured, a local air layer with relatively high temperature is formed near the glass in the air blowing process, and then the cooling speed of the glass is relatively slow.
Disclosure of Invention
In view of the problems in the prior art, the present invention is directed to a tempering furnace for glass production, which forms air backflow near glass during cooling glass to improve the cooling efficiency of glass.
In order to achieve the above object, the present invention provides a technical solution as follows:
a toughening furnace for glass production comprises a heating box body, a cooling box body and a conveying roller set, wherein the conveying roller set penetrates through the heating box body and the cooling box body; the cooling box body comprises a box body, a plurality of upper cooling mechanisms are distributed in the box body and positioned on the conveying roller set along the conveying direction, and a plurality of lower cooling mechanisms are distributed in the box body and positioned on the lower side of the conveying roller set along the conveying direction; the upper cooling mechanism comprises an upper air box, and a first air supply assembly and a first air absorption assembly are arranged on the upper air box, wherein the first air supply assembly supplies air to one side of the conveying roller set, and the first air absorption assembly absorbs the wind power of one side of the conveying roller set.
Preferably, a plurality of first partition plates are arranged in the upper air box at intervals, a first air inlet channel and a first air return channel are formed between the first partition plates, a plurality of first air supply holes and first air return holes are formed in one side surface, close to the conveying roller set, of the upper air box, the first air supply holes are communicated with the first air inlet channel, and the first air return holes are communicated with the first air return channel; the first air supply assembly is communicated with the first air inlet channel, and the first air suction assembly is communicated with the first air return channel.
Preferably, an extension pipe is arranged on the outer side of the upper air box and on the first air supply hole, and a diffusion hopper is arranged at the tail end of the extension pipe.
Preferably, the upper air box comprises a second partition plate which is horizontally arranged, a second air supply channel is formed on one side, away from the conveying roller set, of the second partition plate, and a second air return channel is formed on one side of the conveying roller set; a plurality of air supply pipes are arranged on the upper air box, one end of each air supply pipe penetrates through the second air return channel and is communicated with the second air supply channel, and the other end of each air supply pipe protrudes out of the upper air box; a second air return hole is formed in one side face, close to the second air return channel, of the upper air box; the first air supply assembly is communicated with the second air supply channel, and the first air suction assembly is communicated with the second air return channel.
Preferably, the outer side of the air supply pipe is covered with a first heat insulation layer, and one side surface of the second partition plate is provided with a second heat insulation layer.
Preferably, the conveying roller group comprises a support frame arranged along the conveying direction and a driving roller arranged on the support frame, and a driving assembly for driving the driving roller to rotate is arranged on the support frame.
Preferably, the lower cooling mechanism comprises a lower air box, a second air supply assembly for supplying air into the lower air box is arranged on the lower air box, and a second air supply hole is formed in one side face, close to the conveying roller set, of the lower air box; a cavity is formed on the inner side of the driving roller, and a plurality of third air return holes are formed in the roller surface of the driving roller; and second air suction assemblies are arranged at two axial ends of the driving roller and communicated with the cavity.
Preferably, the box body is provided with an adjusting assembly for adjusting the vertical height of the upper air box and/or the lower air box; the adjusting assembly comprises a guide rod which is vertically arranged, the upper air box and/or the lower air box are/is arranged on the guide rod in a sliding manner, a lead screw is arranged on the box body, a guide block is fixedly arranged on the upper air box or the lower air box, the guide block is in threaded connection with the lead screw, and a servo motor for controlling the lead screw to rotate forwards or reversely is arranged on the box body; and a travel switch is arranged on the guide rod and controls the maximum travel of the upper air box or the lower air box.
Preferably, the second baffle slope sets up, second air feed passageway is being close to the cross-sectional area of one side of second air feed subassembly air inlet end is great relatively, and the opposite side cross-sectional area is less relatively the interval is provided with the deep bead on the second baffle, the deep bead is perpendicular the second baffle, and each the deep bead is located air supply pipe air inlet end is kept away from one side of second air feed subassembly air inlet end.
The invention provides a toughening furnace for glass production, which can accelerate air circulation at two sides of glass in the process of blowing and cooling the two sides of the glass through an upper air box and a lower air box which are arranged in a cooling box body and an air supply component and an air return component, so that air at lower temperature can be kept at the two sides of the glass, and further, the cooling of the glass is accelerated. Compare in traditional tempering furnace, the cooling box that this application relates when using the same power fan to carry out the air-blast, cooling rate is faster.
Drawings
FIG. 1 is a schematic view of the structure of a glass-producing tempering furnace of the present invention;
FIG. 2 is a schematic view of a protruding upper cooling mechanism in a tempering furnace for glass production in accordance with the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along A-A in FIG. 2 and highlighted inbase:Sub>A glass-producing tempering furnace of the present invention;
FIG. 4 is a cross-sectional view of a protruded first partition plate in a tempering furnace for glass production in accordance with the present invention;
FIG. 5 is a schematic view of a protruding lower cooling mechanism in a tempering furnace for glass production according to the present invention;
FIG. 6 is a schematic view of a projecting adjustment assembly in a tempering furnace for glass production in accordance with the present invention;
FIG. 7 is a schematic view of the set of transfer rollers inside the protruded cooling chamber of the tempering furnace for glass production according to the present invention;
FIG. 8 is a sectional view of a protruded upper windbox in example 2 of a glass production tempering furnace of the present invention;
FIG. 9 is a sectional view of a protruded second barrier in a tempering furnace for glass production in accordance with the present invention.
Reference numbers in the figures:
100. heating the box body;
200. cooling the box body;
300. a set of transport rollers; 310. a support frame; 320. a driving roller; 321. a support shaft; 322. a cavity; 323. a third return air hole; 330. a transmission assembly; 331. a first pulley; 332. a drive shaft; 333. a second pulley; 334. a belt;
400. an upper cooling mechanism; 410. an upper air box; 411. a first separator; 411a, a heat-insulating layer; 412. a first air inlet channel; 412a, a first air supply hole; 413. a first return air channel; 413a, a first return air hole; 414. Lengthening a pipe; 415. a diffusion hopper; 416. a second separator; 416a, a second insulating layer; 416b a windshield; 417. a second air supply channel; 418. a second return air channel; 418a and a second air return hole; 419. an air supply pipe; 419a, a first thermal insulation layer; 420. a first air supply assembly; 421. a first blower; 422. a first air supply duct; 430. a first air intake assembly; 431. a suction fan; 432. an air suction pipeline;
500. a lower cooling mechanism; 510. a lower air box; 511. a second air supply hole; 520. a second air supply assembly; 521. A second blower; 522. a second air supply duct;
600. an adjustment assembly; 610. a guide bar; 620. a screw rod; 630. a guide block; 640. a servo motor; 650. A travel switch;
700. a second air suction assembly; 710. a rotary joint; 720. an air outlet pipe; 730. an exhaust fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The invention provides a toughening furnace for glass production, which is shown in figures 1-5 and comprises a heating box body 100, a cooling box body 200 and a conveying roller group 300, wherein the conveying roller group 300 penetrates through the heating box body 100 and the cooling box body 200, in the process of manufacturing toughened glass, glass to be processed is placed on the conveying roller group 300, and under the driving of the conveying roller group 300, the glass to be processed sequentially passes through the heating box body 100 and the cooling box body 200 to finally form the toughened glass.
A heating device is provided inside the heating chamber 100, and the glass to be processed is heated by the heating device.
The cooling box body 200 comprises a box body, a plurality of upper cooling mechanisms 400 are distributed on the conveying roller group 300 in the box body along the conveying direction, and a plurality of lower cooling mechanisms 500 are distributed on the lower side of the conveying roller group 300 in the box body along the conveying direction; when the heated glass is transferred into the cooling box body 200, the glass between the upper cooling mechanism 400 and the lower cooling mechanism 500 is rapidly cooled through the upper cooling mechanism 400 distributed on the upper side of the glass and the lower cooling mechanism 500 distributed on the lower side of the glass.
Specifically, the upper cooling mechanism 400 includes an upper wind box 410, and the upper wind box 410 is provided with a first wind supply unit 420 for supplying wind to the conveyor roller group 300 side and a first wind suction unit 430 for absorbing wind force from the conveyor roller group 300 side. During cooling, the air circulation near the glass can be enhanced through the arranged first air supply assembly 420 and the first air absorption assembly 430, and meanwhile, heat on the glass can be taken away at a high speed, and the cooling speed is accelerated.
A plurality of first partition plates 411 are arranged on the inner side of the upper wind box 410 at intervals, a first wind inlet channel 412 and a first wind return channel 413 are formed among the first partition plates 411, a plurality of first wind supply holes 412a and first wind return holes 413a are formed in one side face, close to the conveying roller group 300, of the upper wind box 410, the first wind supply holes 412a are communicated with the first wind inlet channel 412, and the first wind return holes 413a are communicated with the first wind return channel 413. The first air supply assembly 420 is communicated with the first air intake passage 412, and the first air intake assembly 430 is communicated with the first return air passage 413.
Preferably, an extension pipe 414 is disposed on the first air supply hole 412a and outside the upper air box 410, and a diffusion funnel 415 is disposed at the end of the extension pipe 414. Through the extension pipe 414 and the diffusion fill 415 that set up, first air feed subassembly 420 blows in the cold wind in the first inlet air channel 412 can be quick and reachs the glass surface, there is the certain distance between cold wind layer and the first return air hole 413a, cold wind can carry out cooling treatment to the glass surface, absorb the return air in the one side far away at relative cold wind, can increase the circulation of air near glass, can discharge rapidly through first return air hole 413a after cold wind carries partial heat, make the temperature on glass surface keep the low degree relatively for invariant. And then under the same power air feed condition, this scheme cooling effect is better relatively.
Specifically, the first air supply assembly 420 includes at least one first blower 421 and a first air supply duct 419, one end of the first air supply duct 419 is connected to the first blower 421, and the other end is communicated with the first air intake passage 412. Preferably, a cooling device is disposed at the air inlet end of the first blower 421.
The first air suction assembly 430 comprises at least one air suction fan 431 and an air suction pipe 432, wherein one end of the air suction pipe 432 is connected with the air suction fan 431, and the other end is connected with the first air return channel 413.
In order to prevent heat transfer between the first air intake duct 412 and the first air return duct 413 during the cooling process, an insulating layer 411a is disposed on the first partition 411 therebetween.
The lower cooling mechanism 500 includes a lower wind box 510, a second wind supply assembly 520 for supplying wind into the lower wind box 510 is provided on the lower wind box 510, and a second wind supply hole 511 is opened at a side of the lower wind box 510 close to the transfer roller set 300. The specific second air supply assembly 520 comprises at least one second blower 521 and a second air supply pipe 522, and two ends of the second air supply pipe 522 are respectively connected with the lower air box 510 and the second blower 521.
The box body is provided with an adjusting component 600 for adjusting the vertical height of the upper air box 410 and/or the lower air box 510; the adjusting assembly 600 comprises a guide rod 610 which is vertically arranged, the upper wind box 410 and/or the lower wind box 510 are/is slidably arranged on the guide rod 610, a screw 620 is arranged on the box body, a guide block 630 is fixedly arranged on the upper wind box 410 or the lower wind box 510, the guide block 630 is in threaded connection with the screw 620, and a servo motor 640 for controlling the forward rotation or the reverse rotation of the screw 620 is arranged on the box body; a stroke switch 650 is provided on the guide rod 610, and the stroke switch 650 controls the maximum stroke of the upper or lower bellows 410 or 510. When the glass window is used, the screw rod 620 is controlled to rotate through the power of the servo motor 640, the upper air box 410 and the lower air box 510 are driven to rotate in the vertical direction, and then the distance between the upper air box 410, the lower air box 510 and the glass can be adjusted.
The conveying roller set 300 includes a supporting frame 310 disposed along a conveying direction, a driving roller 320 disposed on the supporting frame 310, and a driving assembly 330 disposed on the supporting frame 310 and driving the driving roller 320 to rotate. Specifically, support shafts 321 are disposed at two ends of the driving roller 320, and the support shafts 321 are connected to the support frame 310 through bearings and bearing seats. The transmission assembly 330 includes a first belt wheel 331 disposed on the supporting shaft 321, and a driving shaft 332 disposed horizontally and perpendicular to the length direction of the transmission roller 320, a second belt wheel 333 is disposed on the driving shaft 332, and a belt 334 is sleeved between the first belt wheel 331 and the second belt wheel 333, wherein the belt 334 rotates between the two at a certain angle, and further, the driving shafts 332 can drive the plurality of sets of transmission rollers 320. A driving motor is provided at one end of the driving shaft 332.
A cavity 322 is formed at the inner side of the driving roller 320, and a plurality of third air return holes 323 are formed on the roller surface of the driving roller 320; connecting holes are formed inside the support shafts 321 at both axial ends of the driving roller 320, and the connecting holes are communicated with the inner cavity 322 of the drive shaft. A second air suction assembly 700 is disposed on the support shaft 321, and the second air suction assembly 700 communicates with the cavity 322.
The second air suction assembly 700 includes a rotary joint 710 connected to the end of the support shaft 321 through a connection hole, an air outlet pipe 720 connected to the rotary joint 710, and an air suction fan 730, wherein the air suction fan 730 is connected to the other end of the air outlet pipe 720. When using, can carry out convulsions through driving roller 320 and handle near the air of glass, and then accelerate the circulation of air of glass downside, cool down the processing to driving roller 320 simultaneously for glass's cooling efficiency.
Example 2
This example provides a glass-producing tempering furnace, which is different from the first example in the structure of the upper windbox 410.
Specifically, the upper wind box 410 includes a second partition 416, a second wind supply passage 417 is formed on a side of the second partition 416 away from the conveying roller group 300, and a second return wind passage 418 is formed on a side of the conveying roller group 300; a plurality of air supply pipes 419 are arranged on the upper air box 410, one end of each air supply pipe 419 penetrates through the second air return channel 418 and is communicated with the second air supply pipeline 522, and the other end of each air supply pipe 419 protrudes out of the upper air box 410; a second return air hole 418a is formed in one side surface of the upper air box 410 adjacent to the second return air passage 418. The first air supply assembly 420 communicates with the second air supply passage 417, and the first air suction assembly 430 communicates with the second return air passage 418. The air supply pipe 419 is covered with a first heat insulation layer 419a on the outer side, and a second heat insulation layer 416a is arranged on one side surface of the second partition 416. The second partition 416 and the second air supply duct 419 are provided to reduce the contact area between the second air supply duct 417 and the second return air duct 418, thereby reducing the heat transfer therebetween.
Preferably, the second partition 416 is disposed obliquely, the sectional area of the second air supply channel 417 at one side close to the air inlet end of the second air supply assembly 520 is relatively larger, the sectional area of the other side is relatively smaller, air blocking plates 416b are disposed on the second partition 416 at intervals, the air blocking plates 416b are perpendicular to the second partition 416, and each air blocking plate 416b is located at one side of the air inlet end of the air supply pipe 419 far away from the air inlet end of the second air supply assembly 520. The air volume of each air supply duct 419 can be increased to some extent by the provision of the air blocking plate 416 b.
When using, put the glass of treating processing and carry out the conveying on conveying roller set 300, heat in heating box 100, glass after the heating is under conveying roller set 300's drive, reach inside the cooling box 200, inside cooling box 200 you, cool down the mechanism 500 and cool down glass through last cooling body 400 that sets up with cooling body down, at this in-process, carry out the cooling of blowing through first air feed subassembly 420 and second air feed subassembly 520, air flow that subassembly 700 adds and accelerate glass both sides face is induced drafted through first air feed subassembly 700430 and second, and then accelerate glass's the very fast cooling.
The invention provides a toughening furnace for glass production, which can accelerate air circulation at two sides of glass in the process of carrying out blast cooling on two sides of the glass through an upper air box 410 and a lower air box 510 which are arranged in a cooling box body 200 and an air supply component and an air return component which are arranged, so that air at lower temperature can be kept at two sides of the glass, and further, the cooling of the glass is accelerated. Compare in traditional tempering furnace, the cooling box 200 that this application relates when using with the power fan to carry out the air-blast, cooling rate is faster.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The embodiments and features of the embodiments of the present invention may be combined with each other without conflict. In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The above-mentioned embodiments only express the implementation manner of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the patent scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A tempering furnace for glass production is characterized in that: the device comprises a heating box body (100), a cooling box body (200) and a conveying roller set (300), wherein the conveying roller set (300) penetrates through the heating box body (100) and the cooling box body (200);
the cooling box body (200) comprises a box body, a plurality of upper cooling mechanisms (400) are distributed in the box body and positioned on the conveying roller set (300) along the conveying direction, and a plurality of lower cooling mechanisms (500) are distributed in the box body and positioned on the lower side of the conveying roller set (300) along the conveying direction;
the upper cooling mechanism (400) comprises an upper wind box (410), and a first wind supply assembly (420) for supplying wind to the conveying roller group (300) side and a first wind absorption assembly (430) for absorbing wind power of the conveying roller group (300) side are arranged on the upper wind box (410);
a plurality of first clapboards (411) are arranged in the upper air box (410) at intervals, and a first air inlet channel (412) and a first air return channel (413) are formed between the first clapboards (411);
a plurality of first air supply holes (412 a) and first air return holes (413 a) are formed in one side face, close to the conveying roller set (300), of the upper air box (410), the first air supply holes (412 a) are communicated with the first air inlet channel (412), and the first air return holes (413 a) are communicated with the first air return channel (413);
the first air supply assembly (420) is communicated with the first air inlet channel (412), and the first air suction assembly (430) is communicated with the first air return channel (413);
the conveying roller set (300) comprises a support frame (310) arranged along the conveying direction and a driving roller (320) arranged on the support frame (310), and a transmission assembly (330) for driving the driving roller (320) to rotate is arranged on the support frame (310);
the lower cooling mechanism (500) comprises a lower air box (510), a second air supply assembly (520) for supplying air into the lower air box (510) is arranged on the lower air box (510), and a second air supply hole (511) is formed in one side surface, close to the conveying roller set (300), of the lower air box (510);
a cavity (322) is formed at the inner side of the driving roller (320), and a plurality of third air return holes (323) are formed in the roller surface of the driving roller (320);
second air suction assemblies (700) are arranged at two axial ends of the driving roller (320), and the second air suction assemblies (700) are communicated with the cavity (322);
the box body is provided with an adjusting component (600) for adjusting the vertical height of the upper air box (410) and/or the lower air box (510);
the adjusting assembly (600) comprises a guide rod (610) which is vertically arranged, the upper air box (410) and/or the lower air box (510) are/is arranged on the guide rod (610) in a sliding manner, a screw rod (620) is arranged on the box body, a guide block (630) is fixedly arranged on the upper air box (410) or the lower air box (510), the guide block (630) is connected to the screw rod (620) in a threaded manner, and a servo motor (640) for controlling the forward rotation or the reverse rotation of the screw rod (620) is arranged on the box body;
a travel switch (650) is arranged on the guide rod (610), and the travel switch (650) controls the maximum travel of the upper air box (410) or the lower air box (510).
2. A tempering furnace for glass production according to claim 1, characterized in that an extension pipe (414) is provided outside said upper windbox (410) and on said first air supply hole (412 a), and a diffusion bucket (415) is provided at the end of said extension pipe (414).
3. A tempering furnace for glass production according to claim 1, characterized in that said upper windbox (410) comprises a second baffle (416), said second baffle (416) forming a second air supply passage (417) on the side away from the set of conveying rollers (300) and said set of conveying rollers (300) forming a second return air passage (418);
a plurality of air supply pipes (419) are arranged on the upper air box (410), one end of each air supply pipe (419) penetrates through the second air return channel (418) and is communicated with the second air supply channel (417), and the other end of each air supply pipe protrudes out of the upper air box (410);
a second return air hole (418 a) is formed in one side face, close to the second return air channel (418), of the upper air box (410);
the first air supply component (420) is communicated with the second air supply channel (417), and the first air suction component (430) is communicated with the second air return channel (418).
4. A tempering furnace for glass production according to claim 3, characterized in that said air supply duct (419) is covered with a first heat insulating layer (419 a) on the outside and a second heat insulating layer (416 a) is provided on one side of said second partition plate (416).
5. The glass production tempering furnace of claim 3, wherein said second baffle plate (416) is disposed in an inclined manner, said second air supply channel (417) has a relatively larger cross-sectional area at one side near the air inlet end of said second air supply assembly (520) and a relatively smaller cross-sectional area at the other side, wind shields (416 b) are disposed at intervals on said second baffle plate (416), said wind shields (416 b) are perpendicular to said second baffle plate (416), and each of said wind shields (416 b) is disposed at one side of the air inlet end of said air supply pipe (419) away from the air inlet end of said second air supply assembly (520).
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| US6378339B1 (en) * | 2000-09-05 | 2002-04-30 | Glasstech, Inc. | Apparatus and method for glass sheet forming |
| US20040055337A1 (en) * | 2002-09-20 | 2004-03-25 | Asahi Glass Company, Limited | Apparatus and process for air-cooling and tempering a glass sheet |
| CN206553395U (en) * | 2017-01-22 | 2017-10-13 | 佛山市亮星玻璃科技有限公司 | A kind of combination type glass tempering stove |
| CN109912182A (en) * | 2017-12-13 | 2019-06-21 | 张许生 | A kind of curved tempered glass processing unit (plant) |
| CN208055203U (en) * | 2018-03-30 | 2018-11-06 | 洛阳仁钢机械设备有限公司 | A kind of high-strength wind pressure outlet air high uniformity shaped steel stove cooling device |
| CN208664619U (en) * | 2018-07-23 | 2019-03-29 | 合肥金晋业实业有限公司 | The color crystal glass production cooling mechanism of printing machine |
| CN213012573U (en) * | 2020-07-24 | 2021-04-20 | 洛阳申诚玻璃技术有限公司 | Forced convection toughening furnace air grid structure |
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| CN112939434A (en) | 2021-06-11 |
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