CN115521052B - Glass tempering production line using double-chamber heating furnace - Google Patents

Glass tempering production line using double-chamber heating furnace Download PDF

Info

Publication number
CN115521052B
CN115521052B CN202211246051.3A CN202211246051A CN115521052B CN 115521052 B CN115521052 B CN 115521052B CN 202211246051 A CN202211246051 A CN 202211246051A CN 115521052 B CN115521052 B CN 115521052B
Authority
CN
China
Prior art keywords
air
heating furnace
double
air grid
chamber heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211246051.3A
Other languages
Chinese (zh)
Other versions
CN115521052A (en
Inventor
黄亮东
黎伟源
李冠泓
刘华娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South Guangdong Glass Technology Co Ltd
Original Assignee
South Guangdong Glass Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by South Guangdong Glass Technology Co Ltd filed Critical South Guangdong Glass Technology Co Ltd
Priority to CN202211246051.3A priority Critical patent/CN115521052B/en
Publication of CN115521052A publication Critical patent/CN115521052A/en
Application granted granted Critical
Publication of CN115521052B publication Critical patent/CN115521052B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00Tempering or quenching glass products
    • C03B27/012Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

The invention relates to the technical field of glass tempering equipment, and discloses a glass tempering production line using a double-chamber heating furnace, wherein a preheating zone and a high-temperature zone which are adjacent front and back and communicated are arranged in the double-chamber heating furnace; the heating wind bag comprises an upper wind plate and a lower wind plate; the upper vent holes are uniformly distributed on the upper air plate at intervals; the lower air plate is provided with a plurality of lower vent holes, and the lower vent holes penetrate through the lower air plate from top to bottom; the upper vent holes and the lower vent holes are distributed in a staggered manner; the heating time of the glass to be tempered in the preheating zone is the same as that of the glass to be tempered in the high-temperature zone, and the double-chamber heating furnace is provided with a rapid heating mode and a flat heating mode; can meet the toughening requirements of glass with different thicknesses. The upper air plate and the lower air plate have turbulent flow effect on downward output hot air, and the optimized preheating area and the high temperature area have good wind pressure distribution uniformity, so that the condition that the glass subjected to rapid heating is large in bending degree and waviness can be avoided, the defect of obvious optical distortion is avoided, and the quality of output glass products is further improved.

Description

Glass tempering production line using double-chamber heating furnace
Technical Field
The invention relates to the technical field of glass tempering equipment, in particular to a glass tempering production line using a double-chamber heating furnace.
Background
In the prior art, a heating furnace is used for heating glass, and a plurality of heating chambers which are sequentially arranged are correspondingly arranged for the heating furnace in order to improve the yield of toughened glass, namely, a continuous heating furnace commonly known in the industry is formed.
The continuous heating furnace occupies large area, has high investment, and has low heat energy utilization rate due to short continuous operation time when the order batch is small, so that the production cost is higher.
The double-chamber heating furnace is provided with a preheating chamber and a high-temperature chamber, has the characteristics of small occupied area and convenient use, has the advantage of larger yield than the single-chamber heating furnace, and has the advantages of obvious optical distortion of the prepared glass product due to the fact that the preheating chamber is limited in length, the glass needs to be heated quickly from room temperature to the target temperature close to the softening temperature, and the phenomena of large bending degree and waviness are easy to occur on the surface of the glass at the position with high wind pressure in the quick heating process.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a glass tempering production line using a double-chamber heating furnace, which can effectively avoid the phenomenon that the local wind pressure of the double-chamber heating furnace is too high in the heating process, thereby improving the output quality of glass products.
To achieve the purpose, the invention adopts the following technical scheme:
a glass tempering production line using a double-chamber heating furnace comprises an upper sheet table, a double-chamber heating furnace, a flat air grid and a lower sheet table which are sequentially arranged along the running direction; a preheating zone and a high-temperature zone which are adjacent front and back and communicated are arranged in the double-chamber heating furnace; a plurality of convection fans and heating air bags which are arranged at intervals are arranged in the preheating zone and the high-temperature zone; the heating wind bag comprises an upper wind plate and a lower wind plate;
the upper air plate and the lower air plate are arranged at the bottom of the heating air bag in an up-down spaced mode, and the upper air plate covers the top surface of the lower air plate; the upper air plate is provided with a plurality of upper air holes, the upper air holes penetrate through the upper air plate from top to bottom, and the upper air holes are uniformly distributed on the upper air plate at intervals; the lower air plate is provided with a plurality of lower vent holes, and the lower vent holes penetrate through the lower air plate from top to bottom; the upper vent holes and the lower vent holes are distributed in a staggered manner;
the heating time of the glass to be tempered in the preheating zone is the same as the heating time of the high-temperature zone, and the double-chamber heating furnace is provided with a rapid heating mode and a smooth heating mode; in the rapid heating mode, the temperature of the preheating zone is 600-650 ℃, and the temperature of the high-temperature zone is 650-700 ℃; in the gentle heating mode, the temperature of the preheating zone is 500-600deg.C, and the temperature of the high temperature zone is 600-700deg.C.
The technical scheme of the invention has the beneficial effects that: according to the glass tempering production line using the double-chamber heating furnace, the preheating zone and the high-temperature zone are arranged in the double-chamber heating furnace, and tempering requirements of glass with different thicknesses can be met by adjusting the power load rate of heating wires in the corresponding zones, the glass heating time, the temperature ranges of the preheating zone and the high-temperature zone; and the bottom of the heating wind bag is provided with an upper wind plate and a lower wind plate, a plurality of upper ventilation holes and a plurality of lower ventilation holes are distributed in a staggered manner, so that the upper wind plate and the lower wind plate have a turbulence effect on the downward output hot air, and the phenomenon of overlarge local wind pressure is avoided.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a glass tempering line using a dual-chamber heating furnace according to the present invention;
FIG. 2 is a schematic view showing the structure of one embodiment of a heating pack of a glass tempering line using a dual-chamber heating furnace according to the present invention;
fig. 3 is a partial enlarged view of a portion a in fig. 2;
FIG. 4 is a schematic view of the structure of an embodiment of a flat louver of a glass tempering line using a dual-chamber heating furnace according to the present invention;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic view of the flat wind grate of FIG. 4 in a closed position;
FIG. 7 is a schematic view of the flat wind grate of FIG. 4 in an open position;
fig. 8 is a partial enlarged view of a portion B in fig. 6;
fig. 9 is a partial enlarged view of a portion C in fig. 6;
FIG. 10 is a diagram of the piping connection of the cylinder to the manual valve;
FIG. 11 is a schematic structural view of an embodiment of a oiling device of a glass tempering line using a double-chamber heating furnace according to the present invention;
FIG. 12 is a schematic view of the mounting structure of the distribution pipe and the pneumatic oil pump of FIG. 11;
FIG. 13 is a schematic view of the mounting structure of the bearing and transfer roller of FIG. 11;
fig. 14 is a partial enlarged view of a portion D in fig. 11;
fig. 15 is a partial enlarged view of a portion E in fig. 12;
FIG. 16 is a schematic view showing the structure of an embodiment of a loading table of a glass tempering line using a dual-chamber heating furnace according to the present invention;
FIG. 17 is a schematic view of the structure of the second stage of FIG. 16;
fig. 18 is a partial enlarged view of a portion F in fig. 1;
wherein: a double-chamber heating furnace 1; a flat air grid 2; a loading table 3; a lower sheet table 4; a transfer roller 5, a oiling device 6; a bearing 7; a positioning plate 8; a convection fan 10; a preheating zone 11; a high temperature zone 12; a heating air bag 13; a frame 21; a damper assembly 22; an upper louver lifting device 23; a lower air grille opening and closing assembly 24; a safety hook 25; a manual reversing valve 26; a gas pipe 28; a one-way shut-off valve 29; a distribution pipe 61; a filler pipe 62; an oil delivery pipe 63; a pneumatic oil pump 64; an air supply pipe 65; a solenoid valve 66; a pneumatic linkage 67; a fuel filler hole 71; a fan cover 131; a deflector fan cover 132; a wind cover 133; a heating wire 134; a downwind plate 135; a windup plate 136; a lower vent 1351; a groove 1352; an upper vent 1361; a first upper beam 211; a first lower cross member 212; a second upper beam 213; a second lower cross member 214; a top beam 215; a tube hole 216; an upper air grille assembly 2221; a lower louver assembly 2222; a fan lifting cylinder 231; a first drive chain 232; a stopper 233; a first drive wheel 234; a holder 235; a second driving wheel 241; a second drive train 242; a hanging ring 2131; the right side end 2211 of the upper air grid; the left end 2212 of the upper air grid; the right end 2221 of the lower air grille; the left end 2222 of the lower air grille; a first stage 31; a second stage 32; a base 321; a transfer rack 322; a sheet table opening/closing device 323; a collection box 324; a baffle 326; sprocket drive 327; a stage lifting cylinder 3231; a rotation shaft 3232; a drive motor 3271; a platen drive wheel 3272; driven wheel 3273; a pallet drive chain 3274.
Detailed Description
The technical scheme of the invention is further described below with reference to fig. 1-18 and through specific embodiments.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, so to speak, the two elements are communicated internally. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
A glass tempering production line using a double-chamber heating furnace comprises an upper sheet table 3, a double-chamber heating furnace 1, a flat air grid 2 and a lower sheet table 4 which are sequentially arranged along the running direction; a preheating zone 11 and a high temperature zone 12 which are adjacent and communicated front and back are arranged in the double-chamber heating furnace 1; a plurality of convection fans 10 and heating wind bags 13 which are arranged at intervals are arranged in the preheating zone 11 and the high-temperature zone 12; the heating wind pack 13 comprises an upper wind plate 136 and a lower wind plate 135;
the upper air plate 136 and the lower air plate 135 are arranged at the bottom of the heating air bag 13 in an up-down spaced manner, and the upper air plate 136 covers the top surface of the lower air plate 135; the upper air plate 136 is provided with a plurality of upper air holes 1361, the upper air holes 1361 penetrate through the upper air plate 136 from top to bottom, and the plurality of upper air holes 1361 are uniformly distributed on the upper air plate 136 at intervals; the lower air plate 135 has a plurality of lower air holes 1351, and the lower air holes 1351 penetrate through the lower air plate 135 from top to bottom; a plurality of upper vent holes 1361 and a plurality of lower vent holes 1351 are arranged in a staggered manner;
the heating time of the glass to be tempered in the preheating zone 11 is the same as the heating time of the glass to be tempered in the high-temperature zone 12, and the double-chamber heating furnace 1 is provided with a rapid heating mode and a flat heating mode; in the rapid heating mode, the temperature of the preheating zone 11 is 600-650 ℃, and the temperature of the high temperature zone 12 is 650-700 ℃; in the gentle heating mode, the temperature of the preheating zone 11 is 500-600 ℃ and the temperature of the high temperature zone 12 is 600-700 ℃.
The glass tempering production line using the dual-chamber heating furnace of the present invention as shown in fig. 1-3, wherein the preheating zone 11 and the high temperature zone 12 in the dual-chamber heating furnace 1 are respectively provided with a driving device of an independent conveying roller 5, and the corresponding glass tempering production process flow is as follows: when the set heating time is reached, the glass enters the preheating zone 11 from the upper sheet table 3, the glass enters the high-temperature zone 12 from the preheating zone 11 for continuous heating, meanwhile, the glass of the second furnace enters the preheating zone 11 from the upper sheet table 3, when the set heating time is reached, the glass is discharged from the furnace and enters the flat air grid 2 for rapid cooling tempering and cooling, at the moment, the glass of the second furnace enters the high-temperature zone 12 from the preheating zone 11 for continuous heating, meanwhile, the glass of the third furnace enters the preheating zone 11 from the upper sheet table 3 for heating, the glass of the first furnace enters the lower sheet table 4 immediately after the cooling of the flat air grid 3 is completed, and the continuous production of glass tempering can be realized through cyclic repetition. The tempering requirements of glass with different thicknesses can be met by adjusting the power of heating wires in corresponding areas, the load rate, the glass heating time and the temperature ranges of a preheating area and a high-temperature area.
As shown in fig. 2-3, the heating air bag 13 of the present invention further includes a fan housing 131, a diversion air housing 132, an air bag housing 133, and a plurality of groups of heating wires 134; the fan housing 131 surrounds the periphery of the corresponding convection fan 10 and is communicated with the output port of the corresponding convection fan 10; the two ends of the heating wire 134 respectively pass through the top of the wind cover 133 and the top of the double-chamber heating furnace 1 upwards and are connected with an external power supply; the glass to be tempered is heated by gradually heating the glass in the preheating zone 11 and reaches the preset preheating temperature, and then enters the high-temperature zone 12 to be heated to be close to the glass softening temperature, so that the glass in the high-temperature zone 12 is quickly heated to reach the preset target temperature, the upper air plate 136 and the lower air plate 135 are arranged at the bottom of the heating air bag 13, the plurality of upper air holes 1361 and the plurality of lower air holes 1351 are distributed in a staggered manner, part of air blown downwards from the outlet of the diversion air cover 132 passes through the upper air holes 1361 and the lower air holes 1351 which are opposite from top to bottom along a straight line and is directly blown to the surface of the glass to be tempered passing below, the upper air plate 136 and the lower air plate 135 have a turbulent flow effect, and the phenomenon that local air pressure is overlarge is avoided, therefore, the optimized preheating zone 11 and the high-temperature zone 12 have good air pressure distribution uniformity, the condition that the glass is subjected to quick heating is bent and the condition that the wave intensity is overlarge is avoided, the defect that the light distortion is obvious is avoided, and the quality of the output glass product is improved is further avoided.
The glass tempering production line using the double-chamber heating furnace can realize two tempering modes: the rapid heating mode and the slow heating mode correspond to the following processes:
1. rapid heating mode: is a high productivity mode; the preheating zone 11 is set at a higher temperature, and meanwhile, the heating wire with higher power is set to enable the glass to reach the set temperature quickly, and the average temperature of the preheating zone 11 in the mode is smaller in difference with the average temperature of the high-temperature zone 12. In one embodiment, the temperature of the high temperature region 12 is set to 650-700 ℃, the power load rate of a heating wire is 60-70%, the temperature of the preheating region 11 is set to 600-650 ℃, the power load rate of the heating wire is 80-90%, and the glass can quickly reach the required temperature in a short time through high-power high-temperature heating of the preheating region 11, so that the purpose of high productivity is achieved; in the gentle heating mode, the glass tempering production line using the double-chamber heating furnace has the advantages that the double-layer air plate structure with the turbulence effect is arranged at the bottom of the heating air bag 13, so that the effect of improving the air pressure distribution uniformity is achieved, and the quality of output glass products is ensured.
2. Gentle heating mode: is a high quality mode; the preheating zone 11 is set at a relatively low temperature, and meanwhile, the lower heating wire use power is set, so that the temperature of the glass rises gradually to reach the set temperature in the heating process, and the average temperature of the preheating zone 11 in the mode is greatly different from the average temperature of the high-temperature zone 12. In another embodiment, the temperature of the high temperature area 12 is 650-700 ℃, the power load rate of heating wires is 60-70%, the temperature of the preheating area 11 is 500-600 ℃, the power load rate of heating wires is 60-70%, the glass can pass through the preheating area 11 in a longer time, so that the temperature of the glass is gradually increased and reaches the required temperature, and the purpose of high quality of output glass products is achieved.
Further, the air down plate 135 is provided with a plurality of grooves 1352;
the concave grooves 1352 extend in parallel and along the length direction of the wind shroud 133, the surface of the groove bottom of the groove 1352 is a plane, and the lower ventilation holes 1351 are only distributed on the surface of the groove bottom of the groove 1352.
As shown in fig. 5 and 6, in the glass tempering production line using a dual-chamber heating furnace according to the present invention, the lower vent holes 1351 are arranged on the surface of the groove 1352 where the groove bottom is located, and the surface of the lower air plate 135 protruding upwards and close to the upper air plate 136 is not provided with the lower vent holes 1351, so that the protruding surface of the lower air plate 135 has a secondary turbulence effect on the air flow, and the uniformity of the air pressure of the downward output hot air can be further optimized.
Specifically, the flat air grid 2 includes a frame 21, an air grid assembly 22, an upper air grid lifting device 23 and a lower air grid opening and closing assembly 24, and the air grid assembly 22 includes an upper air grid assembly 2221 and a lower air grid assembly 2222;
the upper air grid assembly 2221 is provided with an upper air grid right side end 2211 and an upper air grid left side end 2212, the lower air grid assembly 2222 is provided with a lower air grid right side end 2221 and a lower air grid left side end 2222, the upper air grid right side end 2211 and the lower air grid right side end 2221 are both cold air input ends, and the upper air grid left side end 2212 and the lower air grid left side end 2222 are both closed ends;
the frame 21 comprises a first upper beam 211, a second upper beam 213, a first lower beam 212, a second lower beam 214 and a top beam 215; the first upper beam 211, the second upper beam 213, the first lower beam 212 and the second lower beam 214 all extend along the running direction, and the top beam 215 is mounted on the top of the frame 21 from left to right;
the upper air grid lifting device 23 comprises a fan lifting cylinder 231, a first transmission chain 232 and a first transmission wheel 234; the lower air grid opening and closing assembly 24 comprises a second driving wheel 241 and a second driving chain 242; the right side end 2211 of the upper air grid and the left side end 2212 of the upper air grid are respectively hung at the bottom of the first upper cross beam 211 and the bottom of the second upper cross beam 213, and the first upper cross beam 211 is hinged with the top of the frame 21 upwards; the right end 2221 of the lower air grid and the left end 2222 of the lower air grid are respectively arranged at the top of the first lower cross beam 212 and the top of the second lower cross beam 214 in a rack manner, and the first lower cross beam 212 is hinged with the bottom of the rack 21 downwards;
the first driving wheel 234 and the fan lifting cylinder 231 are mounted on the top surface of the top beam 215 in a left-right spaced manner, the output end of the fan lifting cylinder 231 is positioned at the left end of the fan lifting cylinder 231, the upper end of the first driving chain 232 bypasses the first driving wheel 234 to be connected with the output end of the fan lifting cylinder 231, and the lower end of the first driving chain 232 is connected with the top of the second upper cross beam 213; the second driving wheel 241 is mounted on the left side of the top of the frame 21, one end of the second driving chain 242 bypasses the second driving wheel 241 and is connected with the top of the left side end 2212 of the windrow, and the other end of the second driving chain 242 is connected with the top of the second lower cross beam 214.
As shown in fig. 4 to 9, the fan lifting cylinder 231 is in transmission connection with the top of the left end 2212 of the upper air grid through the first transmission chain 232 and the first transmission wheel 234, when the sliding rod of the fan lifting cylinder 231 is contracted inwards, the lower end of the first transmission chain 232 is pulled to lift up, the top of the left end 2212 of the upper air grid is lifted up, the right end 2211 of the upper air grid is driven to rotate along the hinged first upper beam 211, meanwhile, one end of the second transmission chain 242 is lifted up along the top of the left end 2212 of the upper air grid, and the other end of the second transmission chain 242 is driven to droop through the transmission cooperation of the second transmission chain 242 and the second transmission wheel 241, so that the left end 2222 of the lower air grid is driven to descend downwards, and the right end 2221 of the lower air grid is driven to rotate along the hinged first lower beam 212, so that the left side of the flat air grid 2 is in an open state, as shown in fig. 7; conversely, when the sliding rod of the fan lifting cylinder 231 is contracted inwards, the sliding rod of the fan lifting cylinder 231 pushes the lower end of the first transmission chain 232 to descend and drives the top of the left end 2212 of the upper air grid to move downwards, and then the left end 2222 of the lower air grid is driven to move upwards by the lower air grid opening and closing assembly 24, so that the left side of the flat air grid 2 is restored to a closed state, as shown in fig. 6; therefore, the telescopic length of the sliding rod of the fan lifting cylinder 231 is controlled, through the hinge structures of the first upper beam 211, the second upper beam 213, the first lower beam 212 and the second lower beam 214 and the cooperation of the upper air grid lifting device 23 and the lower air grid opening and closing assembly 24, the size of the opening and closing gap on the left side of the flat air grid 2 can be effectively controlled, the body of an operator can conveniently penetrate into the flat air grid 2 to clean broken glass, and the broken glass inside the flat air grid 2 can be cleaned with better operation convenience and work efficiency.
Further, the flat air grid 2 further comprises a manual reversing valve 26 and an air pipe 28, the manual reversing valve 6 is a three-position four-way manual reversing valve, and a pipe penetrating hole 216 is further formed in the left upright post of the stand 21;
the manual reversing valve 26 is arranged on the left upright post of the stand 21, and the air inlet and the air source of the manual reversing valve 26 are communicated;
the two working ports of the manual reversing valve 26 are respectively communicated with a rod cavity and a rodless cavity of the fan lifting cylinder 231 through two air pipes 28 so as to control the sliding rod of the fan lifting cylinder 231 to move;
the pipe penetrating hole 216 is close to the upper side of the manual reversing valve 26, and one ends of the two air pipes 28 respectively penetrate through the pipe penetrating hole 216 to be communicated with the rod cavity and the rodless cavity of the fan lifting cylinder 231.
As shown in fig. 6 and 7, the direction and the travel of the movement of the sliding rod of the fan lifting cylinder 231 are controlled by rotating the manual reversing valve 26 to reverse the air path, so that the rod cavity and the rodless cavity are used for alternating air inlet and air exhaust, and the left opening and closing of the flat air grid can be effectively controlled, so that the operation is convenient and the manufacturing cost is lower.
The pipe penetrating hole 216 for penetrating the air pipe 28 is arranged above the manual reversing valve 26, so that the air pipe 28 exposed during operation can be prevented from being collided, and the situation that the air pipe 28 is loosened after being collided to influence the operation of the fan lifting cylinder 231 is avoided.
Further, the flat air grid 2 further comprises a one-way stop valve 29 and a safety hook 25, and a hanging ring 2131 is arranged on the left side surface of the second upper cross beam 213;
the two stop valves 9 are respectively arranged on the two communication pipelines of the air pipes 28 and the air inlet and the air outlet of the fan lifting cylinder 231;
the top end of the safety hook 25 is rotatably fixed at the top of the left side of the frame 21, and a hanging hole matched with the hanging ring 2131 is arranged at the bottom end of the safety hook 25;
when the fan elevating cylinder 231 pulls the first driving chain 232 to move upward and the upper louver left side end 2212 is elevated to a high position, it is inserted into the hanging hole of the bottom end of the safety hook 25 through the peg and fixes the hanging ring 2131 to the bottom end of the safety hook 25.
As shown in fig. 10, the manual reversing valve 26 is connected to the fan lifting cylinder 231 through a pipeline, and the stop valve 9 controls the compressed air input or discharged by the fan lifting cylinder 231 to not pass reversely, so that the condition that the air pressure of the fan lifting cylinder 231 is released during cleaning operation can be avoided, and the phenomenon that the open flat air grid 2 is folded out of control and causes accidents is avoided.
As shown in fig. 7, when the left side of the flat air grid 2 is in an open state, the hanging ring 2131 is fixed at the bottom end of the safety hook 25 through the pin, so that the phenomenon of uncontrolled closure of the flat air grid 2 in the open state can be avoided, and the body safety of an operator cleaning broken glass can be ensured.
Further, the upper air grid lifting device 23 further comprises a limiting block 233 and a fixing seat 235;
the fixed seat 235 is installed in the middle of the top beam 215, and a limiting hole is formed in the top of the fixed seat 235;
the limiting block 233 is fixed in the middle of the first transmission chain 232, the first transmission chain 232 passes through the limiting hole of the fixed seat 235, and the limiting block 233 is located between the limiting hole of the fixed seat 235 and the fan lifting cylinder 231;
the sliding rod of the fan lifting cylinder 231 extends out leftwards, and the limiting block 233 follows the first driving chain 232 to move leftwards until abutting against the edge of the limiting hole of the fixing base 235, so as to limit the first driving chain 232 to move leftwards and downwards continuously.
As shown in fig. 6 to 8, the left and downward movement travel of the first driving chain 232 can be limited by the limiting block 233, so that the descending limit of the left end 2212 of the upper air grid during closing can be limited, the phenomenon that the left end 2212 of the upper air grid descends to an excessively low position to collide with a conveying roller below is avoided, and the bottom air outlet of the upper air grid assembly 2221 and the air outlet of the top of the lower air grid assembly 2222 are respectively located at set horizontal planes, so that the quality of glass tempering is ensured.
Further, along the running direction, a plurality of conveying rollers 5 are arranged at intervals in the middle of the double-chamber heating furnace 1, two ends of each conveying roller 5 are respectively exposed out of the left side and the right side of the double-chamber heating furnace 1, positioning plates 8 are arranged on the left side and the right side of the double-chamber heating furnace 1, bearings 7 are sleeved at two ends of each conveying roller 5, the bearings 7 are mounted on the tops of the positioning plates 8 in a supporting mode, and a oiling device 6 is mounted above each bearing 7 in a supporting mode;
the oiling device 6 comprises a distributing pipe 61, an oil delivery pipe 63, a pneumatic oil pump 64 and a plurality of oil injection pipes 62;
the top of the bearing 7 is provided with an oil filling hole 71; the distributing pipe 61 extends along the running direction and is arranged above a plurality of bearings 7 arranged at intervals, the upper end and the lower end of the oil filling pipe 62 are respectively communicated with the output port of the distributing pipe 61 and the corresponding oil filling hole 71, the input port of the distributing pipe 61 is communicated with the output end of the pneumatic oil pump 64 through the oil filling pipe 63, and the input end of the pneumatic oil pump 64 is connected to a lubricating oil storage tank.
As shown in fig. 11-15, the oiling device 6 is started, the pneumatic oil pump 64 is started, the output end of the pneumatic oil pump 64 outputs lubricating oil, the lubricating oil sequentially passes through the oil delivery pipe 63, the distributing pipe 61 and the plurality of oil injection pipes 62 and is injected into the oiling holes 71 at the tops of the plurality of bearings 7, the operation is simple and convenient, the lubricating oil of the bearings 7 can be timely supplemented, the abrasion of the conveying roller caused by the lack of the lubricating oil is avoided, and the operation time for supplementing the lubricating oil can be saved.
Further, the oiling device 6 further comprises an air supply pipe 65, a solenoid valve 66 and a pneumatic coupling 67;
two ends of the air supply pipe 65 are respectively communicated with the output end of the compressed air tank and the air source input port of the pneumatic oil pump 64;
the electromagnetic valve 66 is installed on the air supply pipe 65 and is positioned between the output end of the compressed air tank and the air source input port of the pneumatic oil pump 64;
the pneumatic coupling 67 is mounted to the air feed pipe 65 and is located between the output end of the compressed air tank and the solenoid valve 66.
As shown in fig. 12, the amount of lubricant oil added can be effectively controlled by controlling the opening and flow rate of the compressed air fed to the pneumatic oil pump 64 by the solenoid valve 66.
The pneumatic coupling 45 not only can effectively filter the moisture in the compressed air and prevent the moisture in the compressed air from being mixed into the lubricating oil, but also can stabilize the air pressure of the compressed air and reduce the damage of the electromagnetic valve 66 caused by the abrupt change of the air pressure.
Specifically, the upper sheet table 3 and the lower sheet table 4 each include a first sheet table 31 and a second sheet table 32 that are adjacent to each other in front and back, and one end of the first sheet table 31 is close to an oven door at an input end or an output end of the dual-chamber heating oven 1;
the second sheet table 32 is provided with a base 321, a conveying frame 322, a sheet table opening and closing device 323 and a collecting box 324;
the conveying frame 322 is arranged above the base 321 in a supporting way, the collecting box 324 is positioned in the base 321, the top of the collecting box 324 is open, and the opening is close to the bottom of the conveying frame 322;
the tray opening and closing device 323 comprises a rotating shaft 3232 and a tray lifting cylinder 3231;
the rotating shaft 3232 extends along a direction perpendicular to the running direction, the rotating shaft 3232 is in rotating fit with the bottom of one end, far away from the dual-chamber heating furnace 1, of the conveying frame 322, and the other end of the conveying frame 322 is a free end and is close to the first slice table 31; the bottom of the tray lifting cylinder 3231 is mounted on the base 321, and the top of the tray lifting cylinder 3231 is in transmission connection with the bottom of the other end of the conveying frame 322.
As shown in fig. 16 to 18, when the emergency discharging is required, the glass sheet discharged from the dual-chamber heating furnace 1 passes through the first stage 31 and is collected in the collection box 324 by only starting the stage lifting cylinder 3231 and lifting the other end of the conveying frame 322 upwards through the cooperation of the rotating shaft 3232 and the stage lifting cylinder 3231, so that the operation is convenient, the glass sheet discharged can be prevented from impacting and damaging the glass positioned on the second stage 32 and the glass positioned on the conveying line behind the second stage 32, and the loss of glass materials during the emergency discharging can be effectively reduced.
Further, the second stage 32 is further provided with a baffle 326 and a sprocket drive 327;
the baffle 326 extends along a direction perpendicular to the running direction and is mounted on one side of the rotating shaft 3232, which is close to the dual-chamber heating furnace 1, and the end surface of the baffle 326 facing the dual-chamber heating furnace 1 is a downward inclined surface;
the sprocket transmission device 327 comprises a driving motor 3271, a sheet table transmission chain 3274, a plurality of sheet table transmission wheels 3272 and a plurality of driven wheels 3273;
the sheet table driving wheel 3272 and the driven wheel 3273 extend along a direction perpendicular to the running direction, a plurality of sheet table driving wheels 3272 are arranged at intervals and are arranged at the bottom of the conveying frame 2 in a supporting mode, a plurality of driven wheels 3273 are arranged at intervals and are arranged at the top surface of the conveying frame 2 in a supporting mode, and the driving motor 3271, the sheet table driving wheels 3272 and the driven wheels 3273 are respectively in transmission fit with the sheet table driving chain 3274;
the driving motor 3271 is installed at one end of the bottom of the base 321, which is far away from the dual-chamber heating furnace 1; two of the sheet table driving wheels 3272 are close to one end of the conveying frame 322 and are located above the driving motor 3271; the rotating shaft 3232 is disposed between the two sheet table driving wheels 3272 near one end of the conveying frame 322.
As shown in fig. 16 and 18, when the tempered glass is a large-area sheet, the front-rear direction dimension of the glass sheet is larger than the front-rear direction dimension of the first stage 31, one end of the glass sheet discharged from the twin-chamber heating furnace 1 is protruded below the conveying frame 322 along a conveying surface parallel to the first stage 31, and one end of the glass sheet is dropped downward after hitting the beveled end surface of the baffle 326, whereby the rotation shaft 3232 and the bottom of the conveying frame 322 can be protected from being hit and damaged by the glass sheet.
As shown in fig. 2 and 3, a sprocket drive 327 is provided for transporting glass sheets, and a rotating shaft 3232 is provided between two sheet table drive wheels 3272 near the rear end of the conveying frame 322, so that the sheet table drive chain 3274 is prevented from loosening or deviating when the other end of the conveying frame 322 is lifted, and the normal use of the sheet table drive chain 3274 in the later stage is prevented from being affected.
In summary, as shown in fig. 1-18, in the embodiment of the invention, in the glass tempering production line using the dual-chamber heating furnace, the dual-chamber heating furnace 1 is provided with the preheating zone 11 and the high temperature zone 12, and the tempering requirements of glass with different thicknesses can be satisfied by adjusting the power load rate of heating wires in the corresponding zones, the heating time of the glass, and the temperature ranges of the preheating zone and the high temperature zone; and the bottom of the heating air bag 13 is provided with the upper air plate 136 and the lower air plate 135, and the plurality of upper air holes 1361 and the plurality of lower air holes 1351 are distributed in a staggered manner, so that the upper air plate 136 and the lower air plate 135 have a turbulent flow effect on the downward output hot air, and the phenomenon of overlarge local wind pressure is avoided, and therefore, the optimized preheating zone 11 and the high-temperature zone 12 have good wind pressure distribution uniformity, the condition that the curvature and the waviness of the glass subjected to rapid heating are overlarge can be avoided, the defect of obvious optical distortion is avoided, and the quality of the output glass products is further improved.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (9)

1. A glass tempering production line using a double-chamber heating furnace comprises an upper sheet table, a double-chamber heating furnace, a flat air grid and a lower sheet table which are sequentially arranged along the running direction; a preheating zone and a high-temperature zone which are adjacent front and back and communicated are arranged in the double-chamber heating furnace; a plurality of convection fans and heating air bags which are arranged at intervals are arranged in the preheating zone and the high-temperature zone; the heating air bag is characterized by comprising an upper air plate and a lower air plate;
the upper air plate and the lower air plate are arranged at the bottom of the heating air bag in an up-down spaced mode, and the upper air plate covers the top surface of the lower air plate; the upper air plate is provided with a plurality of upper air holes, the upper air holes penetrate through the upper air plate from top to bottom, and the upper air holes are uniformly distributed on the upper air plate at intervals; the lower air plate is provided with a plurality of lower vent holes, and the lower vent holes penetrate through the lower air plate from top to bottom; the upper vent holes and the lower vent holes are distributed in a staggered manner;
the lower air plate is provided with a plurality of grooves;
the plurality of concave grooves are parallel and extend along the length direction of the wind cover, the plate surface where the bottoms of the grooves are positioned is a plane, and the lower vent holes are only distributed on the plate surface where the bottoms of the grooves are positioned;
the heating time of the glass to be tempered in the preheating zone is the same as the heating time of the high-temperature zone, and the double-chamber heating furnace is provided with a rapid heating mode and a smooth heating mode; in the rapid heating mode, the temperature of the preheating zone is 600-650 ℃, and the temperature of the high-temperature zone is 650-700 ℃; in the gentle heating mode, the temperature of the preheating zone is 500-600deg.C, and the temperature of the high temperature zone is 600-700deg.C.
2. The glass tempering production line using a dual-chamber heating furnace according to claim 1, wherein the flat air grid comprises a frame, an air grid assembly, an upper air grid lifting device and a lower air grid opening and closing assembly, and the air grid assembly comprises an upper air grid assembly and a lower air grid assembly;
the upper air grid assembly is provided with an upper air grid right side end and an upper air grid left side end, the lower air grid assembly is provided with a lower air grid right side end and a lower air grid left side end, the upper air grid right side end and the lower air grid right side end are cold air input ends, and the upper air grid left side end and the lower air grid left side end are closed ends;
the frame comprises a first upper beam, a second upper beam, a first lower beam, a second lower beam and a top beam; the first upper cross beam, the second upper cross beam, the first lower cross beam and the second lower cross beam extend along the running direction, and the top beam is arranged at the top of the frame from left to right;
the upper air grid lifting device comprises a fan lifting cylinder, a first transmission chain and a first transmission wheel; the lower air grid opening and closing assembly comprises a second driving wheel and a second driving chain; the right side end of the upper air grid and the left side end of the upper air grid are respectively hung at the bottom of the first upper cross beam and the bottom of the second upper cross beam, and the first upper cross beam is hinged with the top of the frame upwards; the right side end of the lower air grid and the left side end of the lower air grid are respectively arranged at the top of the first lower cross beam and the top of the second lower cross beam in a rack-mounted manner, and the first lower cross beam is hinged with the bottom of the rack downwards;
the first driving wheel and the fan lifting cylinder are arranged on the top surface of the top beam in a left-right spaced mode, the output end of the fan lifting cylinder is positioned at the left end of the fan lifting cylinder, the upper end of the first driving chain bypasses the first driving wheel to be connected with the output end of the fan lifting cylinder, and the lower end of the first driving chain is connected with the top of the second upper cross beam; the second transmission wheel frame is arranged on the left side of the top of the frame, one end of the second transmission chain bypasses the second transmission wheel and is connected with the top of the left side end of the upper air grid, and the other end of the second transmission chain is connected with the top of the second lower cross beam.
3. The glass tempering production line using a double-chamber heating furnace according to claim 2, wherein the flat air grid further comprises a manual reversing valve and an air pipe, the manual reversing valve is a three-position four-way manual reversing valve, and a left upright post of the stand is further provided with a pipe penetrating hole;
the manual reversing valve is arranged on a left upright post of the frame, and an air inlet and an air source of the manual reversing valve are communicated;
the two working ports of the manual reversing valve are respectively communicated with a rod cavity and a rodless cavity of the fan lifting cylinder through two air pipes so as to control the sliding rod of the fan lifting cylinder to move;
and one ends of the two air pipes respectively penetrate through the pipe penetrating holes to be communicated with a rod cavity and a rodless cavity of the lifting air cylinder of the fan.
4. The glass tempering production line using a double-chamber heating furnace according to claim 3, wherein the flat air grid further comprises a one-way stop valve and a safety hook, and a hanging ring is arranged on the left side surface of the second upper cross beam;
the two stop valves are respectively arranged on the two communication pipelines of the air pipes and the air inlet and the air outlet of the fan lifting cylinder;
the top end of the safety hook is rotatably fixed at the top of the left side of the rack, and a hanging hole matched with the hanging ring is formed in the bottom end of the safety hook;
when the fan lifting cylinder pulls the first transmission chain to move upwards and the left side end of the upper air grid rises to a high position, the hanging ring is inserted into the hanging hole at the bottom end of the safety hook through the pin bolt and fixed at the bottom end of the safety hook.
5. The glass tempering production line using a double-chamber heating furnace according to claim 2, wherein the upper air grid lifting device further comprises a limiting block and a fixing seat;
the fixed seat is arranged in the middle of the top beam, and a limiting hole is formed in the top of the fixed seat;
the limiting block is fixed in the middle of the first transmission chain, the first transmission chain passes through the limiting hole of the fixing seat, and the limiting block is positioned between the limiting hole of the fixing seat and the fan lifting cylinder;
the sliding rod of the fan lifting cylinder stretches out leftwards, and the limiting block moves leftwards along with the first transmission chain until abutting against the edge of the limiting hole of the fixing seat so as to limit the first transmission chain to continue to move leftwards and downwards.
6. The glass tempering production line using the double-chamber heating furnace according to claim 1, wherein a plurality of conveying rollers are arranged at intervals in the middle of the double-chamber heating furnace along the running direction, two ends of each conveying roller are respectively exposed out of the left side and the right side of the double-chamber heating furnace, positioning plates are arranged on the left side and the right side of the double-chamber heating furnace, two ends of each conveying roller are sleeved with bearings, bearing frames are arranged on the tops of the positioning plates, and oiling devices are arranged above the bearings in a supporting mode;
the oiling device comprises a distributing pipe, an oil conveying pipe, a pneumatic oil pump and a plurality of oil injection pipes;
the top of the bearing is provided with an oil filling hole; the distributing pipe extends along the running direction and is arranged above a plurality of bearings in a rack manner at intervals, the upper end and the lower end of the oil filling pipe are respectively communicated with the output port of the distributing pipe and the corresponding oil filling hole, the input port of the distributing pipe is communicated with the output end of the pneumatic oil pump through the oil conveying pipe, and the input end of the pneumatic oil pump is connected to a lubricating oil storage tank.
7. The glass tempering line using a dual chamber furnace according to claim 6, wherein the oiling device further comprises an air supply pipe, a solenoid valve, and a pneumatic duplex member;
two ends of the air supply pipe are respectively communicated with the output end of the compressed air tank and the air source input port of the pneumatic oil pump;
the electromagnetic valve is arranged on the air supply pipe and is positioned between the output end of the compressed air tank and the air source input port of the pneumatic oil pump;
the pneumatic duplex member is mounted to the air supply pipe and is located between the output end of the compressed air tank and the solenoid valve.
8. The glass tempering production line using a dual-chamber heating furnace according to claim 1, wherein the upper sheet stage and the lower sheet stage each comprise a first sheet stage and a second sheet stage which are adjacent to each other in front and back, and one end of the first sheet stage is close to a furnace door of an input end or an output end of the dual-chamber heating furnace;
the second sheet table is provided with a base, a conveying frame, a sheet table opening and closing device and a collecting box;
the conveying frame is arranged above the base, the collecting box is positioned in the base, the top of the collecting box is open, and the opening is close to the bottom of the conveying frame;
the slice table opening and closing device comprises a rotating shaft and a slice table lifting cylinder;
the rotating shaft extends along the direction perpendicular to the running direction, the rotating shaft is in running fit with the bottom of one end, far away from the double-chamber heating furnace, of the conveying frame, and the other end of the conveying frame is a free end and is close to the first slice table; the bottom of the sheet table lifting cylinder is arranged on the base, and the top of the sheet table lifting cylinder is in transmission connection with the bottom of the other end of the conveying frame.
9. The glass tempering production line using a double-chamber heating furnace according to claim 8, wherein the second sheet table is further provided with a baffle plate and a sprocket gear;
the baffle extends along the direction perpendicular to the running direction and is arranged on one side of the rotating shaft, which is close to the double-chamber heating furnace, and the end face of the baffle, which faces the double-chamber heating furnace, is a downward inclined surface;
the sprocket transmission device comprises a driving motor, a sheet table transmission chain, a plurality of sheet table transmission wheels and a plurality of driven wheels;
the sheet table driving wheels and the driven wheels extend along the direction perpendicular to the running direction, the plurality of sheet table driving wheels are arranged at intervals and are arranged at the bottom of the conveying frame in a supporting mode, the plurality of driven wheels are arranged at intervals and are arranged at the top surface of the conveying frame in a supporting mode, and the driving motor, the plurality of sheet table driving wheels and the plurality of driven wheels are respectively in transmission fit with the sheet table driving chains;
the driving motor is arranged at one end, far away from the double-chamber heating furnace, of the bottom of the base; two of the sheet table driving wheels are close to one end of the conveying frame and are positioned above the driving motor; the rotating shaft is arranged between the two sheet table driving wheels which are close to one end of the conveying frame.
CN202211246051.3A 2022-10-12 2022-10-12 Glass tempering production line using double-chamber heating furnace Active CN115521052B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211246051.3A CN115521052B (en) 2022-10-12 2022-10-12 Glass tempering production line using double-chamber heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211246051.3A CN115521052B (en) 2022-10-12 2022-10-12 Glass tempering production line using double-chamber heating furnace

Publications (2)

Publication Number Publication Date
CN115521052A CN115521052A (en) 2022-12-27
CN115521052B true CN115521052B (en) 2024-03-19

Family

ID=84700816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211246051.3A Active CN115521052B (en) 2022-10-12 2022-10-12 Glass tempering production line using double-chamber heating furnace

Country Status (1)

Country Link
CN (1) CN115521052B (en)

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB549103A (en) * 1941-07-19 1942-11-05 Kodak Ltd Improvements in or relating to shutter operating mechanism of projection apparatus for transparencies
GB1253681A (en) * 1968-02-27 1971-11-17 Pilkington Brothers Ltd Improvements in or relating to the toughening of glass
CN201488511U (en) * 2009-09-14 2010-05-26 杭州金竺机械有限公司 Air uniform device of hot air circulating oven
CN203376675U (en) * 2013-07-31 2014-01-01 加弘科技咨询(上海)有限公司 Wind board and server computer case which wind board is applicable to
CN103864284A (en) * 2014-01-13 2014-06-18 洛阳捷瑞精工机械有限公司 Weak convection structure applicable to ordinary toughening furnace
KR101448546B1 (en) * 2014-04-16 2014-10-14 주식회사 이엔씨 테크놀로지 Air circulation unit having a flat display panel, a heat treatment apparatus and a heat treatment method
CN105927970A (en) * 2016-05-30 2016-09-07 广东工业大学 Circulating fluidized bed combustion system with uniform wind distribution device
CN106865964A (en) * 2017-02-27 2017-06-20 洛阳豪顿曼节能风机有限公司 Isothermal, isobaric Multi-use ultra-thin glass toughening equipment equipment
CN107200467A (en) * 2017-07-14 2017-09-26 洛阳名特智能设备股份有限公司 A kind of low pressure quenching technique when air grid and the use air grid safety glass
CN107417077A (en) * 2017-09-19 2017-12-01 洛阳北方玻璃技术股份有限公司 A kind of urgent grate furnace device and grate furnace method for annealing furnace
CN207016073U (en) * 2017-07-25 2018-02-16 河南重泰建材有限责任公司 Conveying tape guide with lubrication filling mechanism
CN111116027A (en) * 2020-01-14 2020-05-08 宣城吉鼎玻机械有限公司 Air supply equipment of glass tempering furnace and corresponding glass tempering furnace
CN112592041A (en) * 2020-12-31 2021-04-02 索奥斯(广东)玻璃技术股份有限公司 Production line for processing all-tempered ultrathin glass by using mixed gas cooling
CN214693881U (en) * 2021-05-31 2021-11-12 索奥斯(广东)玻璃技术股份有限公司 Glass sheet platform with emergency furnace arrangement function
CN113772936A (en) * 2021-10-29 2021-12-10 索奥斯(广东)玻璃技术股份有限公司 Tempered glass production system capable of improving quality
CN217077394U (en) * 2022-04-29 2022-07-29 索奥斯(广东)玻璃技术股份有限公司 Flat air grid capable of quickly unloading glass
CN217418527U (en) * 2022-06-23 2022-09-13 索奥斯(广东)玻璃技术股份有限公司 Processing system for curtain wall glass tempering

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB549103A (en) * 1941-07-19 1942-11-05 Kodak Ltd Improvements in or relating to shutter operating mechanism of projection apparatus for transparencies
GB1253681A (en) * 1968-02-27 1971-11-17 Pilkington Brothers Ltd Improvements in or relating to the toughening of glass
CN201488511U (en) * 2009-09-14 2010-05-26 杭州金竺机械有限公司 Air uniform device of hot air circulating oven
CN203376675U (en) * 2013-07-31 2014-01-01 加弘科技咨询(上海)有限公司 Wind board and server computer case which wind board is applicable to
CN103864284A (en) * 2014-01-13 2014-06-18 洛阳捷瑞精工机械有限公司 Weak convection structure applicable to ordinary toughening furnace
KR101448546B1 (en) * 2014-04-16 2014-10-14 주식회사 이엔씨 테크놀로지 Air circulation unit having a flat display panel, a heat treatment apparatus and a heat treatment method
CN105927970A (en) * 2016-05-30 2016-09-07 广东工业大学 Circulating fluidized bed combustion system with uniform wind distribution device
CN106865964A (en) * 2017-02-27 2017-06-20 洛阳豪顿曼节能风机有限公司 Isothermal, isobaric Multi-use ultra-thin glass toughening equipment equipment
CN107200467A (en) * 2017-07-14 2017-09-26 洛阳名特智能设备股份有限公司 A kind of low pressure quenching technique when air grid and the use air grid safety glass
CN207016073U (en) * 2017-07-25 2018-02-16 河南重泰建材有限责任公司 Conveying tape guide with lubrication filling mechanism
CN107417077A (en) * 2017-09-19 2017-12-01 洛阳北方玻璃技术股份有限公司 A kind of urgent grate furnace device and grate furnace method for annealing furnace
CN111116027A (en) * 2020-01-14 2020-05-08 宣城吉鼎玻机械有限公司 Air supply equipment of glass tempering furnace and corresponding glass tempering furnace
CN112592041A (en) * 2020-12-31 2021-04-02 索奥斯(广东)玻璃技术股份有限公司 Production line for processing all-tempered ultrathin glass by using mixed gas cooling
CN214693881U (en) * 2021-05-31 2021-11-12 索奥斯(广东)玻璃技术股份有限公司 Glass sheet platform with emergency furnace arrangement function
CN113772936A (en) * 2021-10-29 2021-12-10 索奥斯(广东)玻璃技术股份有限公司 Tempered glass production system capable of improving quality
CN217077394U (en) * 2022-04-29 2022-07-29 索奥斯(广东)玻璃技术股份有限公司 Flat air grid capable of quickly unloading glass
CN217418527U (en) * 2022-06-23 2022-09-13 索奥斯(广东)玻璃技术股份有限公司 Processing system for curtain wall glass tempering

Also Published As

Publication number Publication date
CN115521052A (en) 2022-12-27

Similar Documents

Publication Publication Date Title
CN207567279U (en) A kind of novel thermal process aging furnace
CN102690048B (en) Heating method of heating furnace for glass tempering
CN106183400B (en) A kind of charging tray automatic circulation type Drying and cooling furnace
CN110653141B (en) Spraying preheating device of stainless steel thermos cup
CN115521052B (en) Glass tempering production line using double-chamber heating furnace
CN206231053U (en) A kind of charging tray automatic circulation type Drying and cooling stove
CN113979651B (en) Full-flow continuous automatic production line for vacuum glass
CN107457999A (en) A kind of Nylon for Automobile pipe shaping equipment
CN211471498U (en) Aging furnace for aluminum products
CN211385669U (en) Spraying preheating device of stainless steel thermos cup
CN114657354A (en) Full-automatic roller type small steel cylinder heat treatment production line
CN113772936A (en) Tempered glass production system capable of improving quality
CN203820854U (en) Horizontal continuous tempering furnace
CN112853063A (en) Metal heat treatment quenching system and quenching process
CN209047301U (en) A kind of high-efficiency and energy-saving type cake apparatus for baking
CN202382555U (en) Hot air circulating system and heating and cooling furnace
CN220867284U (en) Glass annealing equipment
CN218879725U (en) Openable glass sheet platform and heating furnace using same
CN211339282U (en) Air cooling system for toughened glass
CN215886811U (en) Air collecting box with air pressure adjusting function
CN220642907U (en) Annealing furnace for glass product production
CN220845936U (en) Vacuum glass vacuumizing heating system
CN202297711U (en) Energy-saving dehydrogenation furnace
CN204474721U (en) A kind of vertical continous way tempering stove
CN113880460B (en) Vacuum glass edge sealing, vacuumizing and sealing integrated heating furnace and continuous production line

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant