CN110527815B - Multi-burner plate spring center hole heating furnace and working method - Google Patents
Multi-burner plate spring center hole heating furnace and working method Download PDFInfo
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- CN110527815B CN110527815B CN201910887177.0A CN201910887177A CN110527815B CN 110527815 B CN110527815 B CN 110527815B CN 201910887177 A CN201910887177 A CN 201910887177A CN 110527815 B CN110527815 B CN 110527815B
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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Abstract
The invention provides a multi-burner plate spring center hole heating furnace, which comprises a lifting platform, a heating furnace cover arranged on the lifting platform, a conveying chain mechanism positioned below the heating furnace cover and a gas pipeline system connected with the heating furnace cover, wherein the lifting platform is provided with a fixed support for fixing a plurality of lifting mechanisms, lifting cross beams are arranged between the lifting mechanisms, and a plurality of lifting frames connected with the heating furnace cover are arranged on the lifting cross beams; the lifting frame is connected with a lifting beam of the heating furnace cover, the lifting beam is fixed on the heating furnace cover, a plurality of downward-spraying gas burners are arranged in the heating furnace cover, casting refractory bricks are arranged around the gas burners, and heat-insulating cotton blankets are paved around the casting refractory bricks except the combustion surface; the heating mode of the multi-gas burner improves the utilization rate of gas and the heat efficiency and the working efficiency; the heating bell of design goes up and down through lift platform according to leaf spring thickness size, and the heating is more accurate, and the practicality is strong.
Description
Technical Field
The invention relates to the technical field of heat treatment for leaf spring production, in particular to a multi-burner leaf spring center hole heating furnace and a working method.
Background
The existing plate spring center heating furnace adopts an intermediate frequency heating furnace to heat the middle part of the plate spring, and the intermediate frequency heating furnace adopts an electric heating mode to heat the middle part of the plate spring. When the heating time is too long, the heating furnace is easy to break, the plate spring cannot be continuously heated, the structure form cannot be applied to an automatic production line, the plate spring intermediate frequency heating furnace heats the plate spring, and the plate spring quantity is small, and the productivity is low. The heating furnace for processing the plate spring of the vanadium-titanium automobile of patent number 201810037702.5 adopts a single heating nozzle to heat the plate spring, has the advantages of fewer nozzles, low efficiency and heat loss, and does not add mixed combustion of air, wastes resources and is high in cost. While the patent number 201910015233.1 discloses a plate spring double-head synchronous induction heating furnace, which adopts two heating furnaces to heat two end parts of a plate spring and adopts electric heating. Therefore, the design of a heating furnace with multiple fuel gas burners for heating the middle section of the plate spring is a problem to be solved.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide a multi-burner plate spring center hole heating furnace and a working method thereof.
The technical scheme adopted for solving the technical problems is as follows: the heating furnace with the central holes of the multi-burner plate springs comprises a lifting platform, a heating furnace cover arranged on the lifting platform, a conveying chain mechanism positioned below the heating furnace cover and a gas pipeline system connected with the heating furnace cover, wherein the lifting platform is provided with a fixed support for fixing a plurality of lifting mechanisms, lifting cross beams are arranged between the lifting mechanisms, and a plurality of lifting frames connected with the heating furnace cover are arranged on the lifting cross beams;
the lifting frame is connected with a lifting beam of the heating furnace cover, the lifting beam is fixed on the heating furnace cover, a plurality of downward-spraying gas burners are arranged in the heating furnace cover, casting refractory bricks are arranged around the gas burners, and heat-insulating cotton blankets are paved around the casting refractory bricks except the combustion surface;
the gas burner is characterized in that a heating furnace bottom of a conveying chain mechanism is arranged right below the gas burner, the heating furnace bottom is positioned in the middle of a conveying chain plate and is fixed on a rack of the conveying chain mechanism, a driving chain wheel and a driven chain wheel which are connected through the conveying chain plate are arranged at two ends of the rack, the conveying chain plate is provided with a feeding end and a discharging end of a conveying plate spring, and the middle section of the plate spring is positioned above the heating furnace bottom;
one side of the conveying chain mechanism is provided with a gas pipeline system, the gas pipeline system is provided with a gas inlet pipe and an air inlet fan, the gas inlet pipe and the air inlet fan are connected with a gas main pipeline together, a burner sub-pipeline matched with a gas burner is arranged on the gas main pipeline, and the burner sub-pipeline is correspondingly connected with the gas burner.
Specifically, refractory bricks are arranged at the bottom of the heating furnace and used for heat insulation and heat preservation during plate spring heating.
Specifically, the end part of the heating furnace cover is provided with a smoke exhaust cover, and the interior of a smoke outlet of the smoke exhaust cover is a frustum.
Specifically, the gas inlet pipe rear end has connected gradually gas steady voltage valve and gas proportional valve, and the air intake fan rear end is connected with continuous electric actuator valve.
Specifically, the driving sprocket is connected with a gear motor and is driven by the gear motor.
The working method of the multi-burner plate spring center hole heating furnace comprises the following steps:
1) Each mechanism of the heating furnace is installed in place, an air inlet fan and a fuel gas proportional valve are started, the fuel gas is regulated by a fuel gas pressure regulating valve, and the fuel gas and air are regulated by the fuel gas proportional valve in proportion by inlet air, so that the fuel gas and the air are mixed in a fuel gas main pipeline and then enter a burner branch pipeline, and the fuel gas at all fuel gas burners is continuously combusted to continuously heat the heating furnace;
2) According to the thickness requirement of the plate spring to be heated, the lifting frame arranged on the lifting beam is controlled to move up and down through the lifting mechanism, and meanwhile, the heating furnace cover is driven to move up and down, so that the height of the heating furnace cover is adjusted, namely the height of the gas burner is adjusted;
3) Opening a gear motor to drive a driving chain wheel and control the movement of the conveying chain plate, placing a plate spring at the feeding end of the conveying chain plate, and enabling the middle section of the plate spring to be positioned right below the gas burner, wherein the gear motor controls the movement position of the conveying chain plate;
4) The middle section of the plate spring is heated by continuously burning fuel gas at the fuel gas burner, and the pouring refractory bricks and the heat insulation cotton blanket play a role in heat insulation and heat preservation, so that the heating efficiency is improved, the damage caused by overhigh temperature of other devices is avoided, and the waste gas generated by heating is treated and discharged through the smoke exhaust hood;
5) The heated leaf spring is output through the discharge end of the conveying chain plate to enter the next working procedure.
The invention has the following beneficial effects:
the heating mode of the multi-gas burner is adopted, and the mode of mixing with air is adopted, so that the utilization rate of gas is improved, the thermal efficiency and the working efficiency are improved, and the production and labor cost is reduced; the designed separated structure design of the heating furnace cover and the heating furnace bottom is arranged in the middle of the conveying chain plate to heat the middle section of the plate spring, and the heat insulation cotton blanket and the fire-resistant device are arranged, so that the damage to equipment and personnel caused by the overhigh temperature of other devices is avoided, the heat loss is avoided, and the heating efficiency is improved; the heating bell of design is fixed on elevating platform's lifting beam, and the heating bell goes up and down through elevating platform according to leaf spring thickness size, and the heating is more accurate, and the practicality is strong.
Drawings
FIG. 1 is a schematic view of a multi-burner leaf spring center hole furnace.
FIG. 2 is a schematic diagram of a lifting platform structure of a multi-burner plate spring center hole heating furnace.
FIG. 3 is a schematic view of a furnace cover structure of the multi-burner plate spring center hole heating furnace.
FIG. 4 is a schematic diagram of a conveyor chain mechanism of a multi-burner leaf spring center hole heating furnace.
FIG. 5 is a schematic diagram of the gas piping system of the multi-burner leaf spring center hole furnace.
In the figure: 1-lifting a platform; 2-a heating furnace cover; 3-a conveyor chain mechanism; 4-leaf springs; 5-gas piping; 6-a feeding end; 7-a discharge end; 1.1-fixing a bracket; 1.2-lifting mechanism; 1.3-lifting cross beams; 1.4-lifting frames; 2.1-hanging beams; 2.2 heating furnace cover; 2.3-gas burner; 2.4-casting refractory bricks; 2.5-insulating cotton blanket; 2.6-smoke exhaust hood; 3.1-a frame; 3.2-conveying chain plates; 3.3-heating furnace bottom; 3.4-refractory bricks; 3.5-driven sprocket; 3.6-drive sprocket; 3.7-reducing motor; 5.1-a fuel gas inlet pipe; 5.2-a gas pressure stabilizing valve; 5.3-a fuel gas proportional valve; 5.4-an air intake blower; 5.5-a continuous electric actuator valve; 5.6-a main fuel gas pipeline; 5.7-burner branch pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, a multi-burner plate spring center hole heating furnace comprises a lifting platform 1, a heating furnace cover 2 arranged on the lifting platform, a conveying chain mechanism 3 arranged below the heating furnace cover 2 and a gas pipeline system 5 connected with the heating furnace cover 2, wherein a fixed support 1.1 of the lifting platform 1 is arranged on the ground, the heating furnace cover 2 is connected with the lifting platform 1, the conveying chain mechanism 3 is arranged right below the heating furnace cover 2 on the ground, the gas pipeline system 5 is arranged on one side of the conveying chain mechanism 3, and the gas pipeline system 5 is connected with a gas burner 2.3 of the heating furnace cover 2. The gas pipeline system 5 continuously supplies gas to the heating furnace cover 2 to enable the heating furnace cover 2 to be continuously heated, the length center of the plate spring 4 is aligned with the center of the conveying chain mechanism 3, the plate spring 4 is arranged on the conveying chain mechanism 3 and enters from the feeding end 6, the conveying chain mechanism 3 conveys the plate spring 4 to the position below the heating furnace cover 2 to enable the heating furnace cover 2 to heat the middle section of the plate spring 4, the plate spring 4 is discharged from the discharging end 7 of the conveying chain mechanism 3, and the plate spring 4 completes middle section heating. The heating furnace cover 2 is lifted up and down through the lifting platform 1 according to the thickness dimension of the plate spring.
The lifting platform 1 shown in fig. 2 mainly comprises a fixed bracket 1.1, a lifting mechanism 1.2, a lifting beam 1.3 and a lifting frame 1.4. The fixed bolster 1.1 is fixed subaerial, and elevating system 1.2 is fixed on fixed bolster 1.1, and hoist crossbeam 1.3 is fixed on elevating system 1.2, and hoist frame 1.4 is fixed on hoist crossbeam 1.3. The lifting mechanism 1.2 can drive the lifting beam 1.3 to move up and down and simultaneously drive the lifting frame 1.4 to move up and down, and simultaneously drive the hanging beam 2.1 of the heating furnace cover 2 connected with the lifting frame 1.4.
The heating furnace cover 2 shown in fig. 3 consists of a hanging beam 2.1, a heating furnace cover 2.2, a gas burner 2.3, cast refractory bricks 2.4, a heat insulation cotton blanket 2.5 and a smoke exhaust hood 2.6. The hanging beam 2.1 is fixed with the heating furnace cover 2.2, the gas burner 2.3 is arranged in the heating furnace cover 2.2 and connected with the top of the heating furnace cover 2.2, the casting refractory brick 2.4 is arranged in the heating furnace cover 2.2 and sleeved outside the gas burner 2.3, the periphery of the casting refractory brick 2.4 except the combustion surface is paved with a heat insulation cotton blanket 2.5, and the smoke exhaust hood 2.6 is fixed at the feeding end 6 of the heating furnace cover 2.2. The heating furnace cover 2 is internally provided with a plurality of gas burners 2.3, gas is fed through a gas pipeline system 5 to burn, a burning area is formed to heat the plate spring 4, the cast refractory bricks 2.4 play a role in heat insulation in the heating furnace cover 2.2, the heat insulation cotton blanket 2.5 has a role in heat insulation, the smoke exhaust hood 2.6 is obliquely arranged in the middle of two sides, and high-temperature waste gas is discharged from the smoke exhaust hood 2.6 during burning.
The conveying chain mechanism 3 shown in fig. 4 comprises a frame 3.1, a conveying chain plate 3.2, a heating furnace bottom 3.3, refractory bricks 3.4, a driven sprocket 3.5, a driving sprocket 3.6 and a gear motor 3.7. The frame 3.1 is fixed on the ground, the driving chain wheel 3.6 and the driven chain wheel 3.5 are arranged at two ends 3.1 of the frame, the conveying chain plate 3.2 is arranged on the frame 3.1 and supported by the driving chain wheel 3.6 and the driven chain wheel 3.5, the heating furnace bottom 3.3 is arranged in the middle of the conveying chain plate 3.2 and fixed on the frame 3.1, and the refractory brick 3.4 is arranged inside the heating furnace bottom 3.3. The driving chain wheel 3.6 and the driven chain wheel 3.5 drive the conveying chain plate 3.2 to drive through the driving of the gear motor 3.7, the gas burner 2.3 in the heating furnace cover 2 burns the refractory bricks 3.4 to heat, and the heating furnace bottom 3.3 heats and keeps warm to the plate spring 4 when the plate spring 4 heats.
The gas pipeline system 5 of fig. 5 is composed of a gas inlet pipe 5.1, a gas pressure stabilizing valve 5.2, a gas proportional valve 5.3, an air inlet fan 5.4, a continuous electric executing valve 5.5, a gas main pipeline 5.6 and a burner sub-pipeline 5.7. The gas inlet pipe 5.1, the gas pressure stabilizing valve 5.2 and the gas proportional valve 5.3 are connected to a gas pipeline for conveying gas, the air inlet fan 5.4 and the continuous electric executing valve 5.5 form an air inlet pipeline, the gas pipeline is connected with the gas main pipeline 5.6 after being connected with the air inlet pipe, the gas main pipeline 5.6 is connected with a plurality of burner sub-pipelines 5.7, and the burner sub-pipelines 5.7 are connected with the gas burner 2.3. The fuel gas enters a fuel gas pressure stabilizing valve 5.2 from a fuel gas inlet pipe 5.1, the fuel gas is stabilized by the fuel gas pressure stabilizing valve 5.2, and then enters a fuel gas proportional valve 5.3 to be mixed with air for air-fuel gas proportional adjustment, and the fuel gas enters a fuel gas main pipe 5.6 after being adjusted; air enters from an air inlet fan 5.4, air continuously enters a fuel gas main pipeline 5.6 through a continuous electric executing valve 5.5, fuel gas enters a burner sub-pipeline 5.7 through the fuel gas main pipeline 5.6, the fuel gas burner 2.3 burns to heat the plate spring 4, and a fuel gas pipeline system 5 continuously stabilizes the fuel gas of the multi-burner central heating furnace, controls the proportion of the air and the fuel gas and conveys the fuel gas.
The working method of the multi-burner plate spring center hole heating furnace comprises the following steps:
1) Each mechanism of the heating furnace is installed in place, an air inlet fan 5.4 and a gas proportional valve 5.3 are started, a gas pressure stabilizing valve 5.2 is used for stabilizing gas, the gas proportional valve 5.3 is used for adjusting the gas inlet proportion of the gas and the air, so that the gas and the air are mixed in a gas main pipeline 5.6 and then enter a burner branch pipeline 5.7, and the gas at all gas burners 2.3 is continuously combusted to continuously heat the heating furnace;
2) According to the thickness requirement of the plate spring 4 to be heated, the lifting mechanism 1.2 controls the lifting frame 1.4 arranged on the lifting beam 1.3 to move up and down, and simultaneously drives the heating furnace cover 2 to move up and down, so that the height of the heating furnace cover 2 is adjusted, namely the height of the gas burner 2.3 is adjusted;
3) Opening a gear motor 3.7, enabling a driving chain wheel 3.6 to drive and control the movement of the conveying chain plate 3.2, placing a plate spring 4 at a feeding end 6 of the conveying chain plate 3.2, enabling the middle section of the plate spring 4 to be positioned right below the gas burner 2.3, and controlling the movement position of the conveying chain plate 3.2 by the gear motor 3.7;
4) The middle section of the plate spring 4 is heated by continuously burning fuel gas at the position of the fuel gas burner 2.3, and the pouring refractory bricks 2.4 and the heat insulation cotton blanket 2.5 play roles in heat insulation and heat preservation, so that the heating efficiency is improved, the damage caused by the overhigh temperature of other devices is avoided, and the waste gas generated by heating is treated and discharged through the smoke exhaust hood 2.6;
5) The heated leaf spring 4 is output through the outlet end 7 of the conveying chain plate 3.2 to the next process.
The present invention is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present invention can fall within the scope of the present invention if the present invention has the same or similar technical solutions.
The technology, shape, and construction parts of the present invention, which are not described in detail, are known in the art.
Claims (4)
1. The multi-burner plate spring center hole heating furnace is characterized by comprising a lifting platform, a heating furnace cover arranged on the lifting platform, a conveying chain mechanism positioned below the heating furnace cover and a gas pipeline system connected with the heating furnace cover, wherein the lifting platform is provided with a fixed support for fixing a plurality of lifting mechanisms, lifting cross beams are arranged between the lifting mechanisms, and a plurality of lifting frames connected with the heating furnace cover are arranged on the lifting cross beams;
the lifting frame is connected with a lifting beam of the heating furnace cover, the lifting beam is fixed on the heating furnace cover, a plurality of downward-spraying gas burners are arranged in the heating furnace cover, casting refractory bricks are arranged around the gas burners, heat-insulating cotton blankets are paved around the casting refractory bricks except for a combustion surface, a smoke exhaust hood is arranged at the end part of the heating furnace cover, and the interior of a smoke outlet of the smoke exhaust hood is a frustum;
the gas burner is characterized in that a heating furnace bottom of a conveying chain mechanism is arranged right below the gas burner, the heating furnace bottom is positioned in the middle of a conveying chain plate and is fixed on a rack of the conveying chain mechanism, a driving chain wheel and a driven chain wheel which are connected through the conveying chain plate are arranged at two ends of the rack, the conveying chain plate is provided with a feeding end and a discharging end of a conveying plate spring, the middle section of the plate spring is positioned above the heating furnace bottom, and a refractory brick is arranged at the heating furnace bottom and used for heat insulation and heat preservation during plate spring heating;
one side of the conveying chain mechanism is provided with a gas pipeline system, the gas pipeline system is provided with a gas inlet pipe and an air inlet fan, the gas inlet pipe and the air inlet fan are connected with a gas main pipeline together, a burner sub-pipeline matched with a gas burner is arranged on the gas main pipeline, and the burner sub-pipeline is correspondingly connected with the gas burner.
2. The multi-burner plate spring center hole heating furnace according to claim 1, wherein the rear end of the gas inlet pipe is sequentially connected with a gas pressure stabilizing valve and a gas proportional valve, and the rear end of the air inlet fan is connected with a continuous electric executing valve.
3. The multi-burner leaf spring center hole heating furnace of claim 1 wherein the drive sprocket is connected to and driven by a gear motor.
4. A method of operating a multi-burner leaf spring center hole furnace as claimed in any one of claims 1 to 3, comprising the steps of:
1) Each mechanism of the heating furnace is installed in place, an air inlet fan and a fuel gas proportional valve are started, the fuel gas is regulated by a fuel gas pressure regulating valve, and the fuel gas and air are regulated by the fuel gas proportional valve in proportion by inlet air, so that the fuel gas and the air are mixed in a fuel gas main pipeline and then enter a burner branch pipeline, and the fuel gas at all fuel gas burners is continuously combusted to continuously heat the heating furnace;
2) According to the thickness requirement of the plate spring to be heated, the lifting frame arranged on the lifting beam is controlled to move up and down through the lifting mechanism, and meanwhile, the heating furnace cover is driven to move up and down, so that the height of the heating furnace cover is adjusted, namely the height of the gas burner is adjusted;
3) Opening a gear motor to drive a driving chain wheel and control the movement of the conveying chain plate, placing a plate spring at the feeding end of the conveying chain plate, and enabling the middle section of the plate spring to be positioned right below the gas burner, wherein the gear motor controls the movement position of the conveying chain plate;
4) The middle section of the plate spring is heated by continuously burning fuel gas at the fuel gas burner, and the pouring refractory bricks and the heat insulation cotton blanket play a role in heat insulation and heat preservation, so that the heating efficiency is improved, the damage caused by overhigh temperature of other devices is avoided, and the waste gas generated by heating is treated and discharged through the smoke exhaust hood;
5) The heated leaf spring is output through the discharge end of the conveying chain plate to enter the next working procedure.
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| CN201910887177.0A CN110527815B (en) | 2019-09-19 | 2019-09-19 | Multi-burner plate spring center hole heating furnace and working method |
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| CN201910887177.0A CN110527815B (en) | 2019-09-19 | 2019-09-19 | Multi-burner plate spring center hole heating furnace and working method |
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| CN110527815B true CN110527815B (en) | 2023-04-28 |
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| CN112575163A (en) * | 2020-12-04 | 2021-03-30 | 江苏华夏炉业有限公司 | Environment-friendly efficient heat treatment furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202734504U (en) * | 2012-08-15 | 2013-02-13 | 聊城市宋氏永安管业制造有限公司 | Heat accumulating type stepping bottom heating furnace |
| WO2016059633A1 (en) * | 2014-10-13 | 2016-04-21 | The State Of Israel, Ministry Of Agriculture & Rural Development, Agricultural Research Organization (Aro) (Volcani Center) | Method and system for treating a product |
| WO2017167147A1 (en) * | 2016-03-28 | 2017-10-05 | 苏州普热斯勒先进成型技术有限公司 | Heating equipment for use in hot forming process, and hot forming production line |
| CN109539783A (en) * | 2019-01-07 | 2019-03-29 | 无锡微能数控科技有限公司 | A kind of leaf spring double end synchronization induction heater |
| WO2019087805A1 (en) * | 2017-10-31 | 2019-05-09 | Ｊｆｅスチール株式会社 | Facility and method for producing thick steel sheet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7216511B2 (en) * | 2002-11-12 | 2007-05-15 | Hhh Tempering Systems, Inc. | Furnace apparatus and method for tempering low emissivity glass |
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2019
- 2019-09-19 CN CN201910887177.0A patent/CN110527815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202734504U (en) * | 2012-08-15 | 2013-02-13 | 聊城市宋氏永安管业制造有限公司 | Heat accumulating type stepping bottom heating furnace |
| WO2016059633A1 (en) * | 2014-10-13 | 2016-04-21 | The State Of Israel, Ministry Of Agriculture & Rural Development, Agricultural Research Organization (Aro) (Volcani Center) | Method and system for treating a product |
| WO2017167147A1 (en) * | 2016-03-28 | 2017-10-05 | 苏州普热斯勒先进成型技术有限公司 | Heating equipment for use in hot forming process, and hot forming production line |
| WO2019087805A1 (en) * | 2017-10-31 | 2019-05-09 | Ｊｆｅスチール株式会社 | Facility and method for producing thick steel sheet |
| CN109539783A (en) * | 2019-01-07 | 2019-03-29 | 无锡微能数控科技有限公司 | A kind of leaf spring double end synchronization induction heater |
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