CN108518979A - A kind of push-down aluminum-bar heating furnace - Google Patents
A kind of push-down aluminum-bar heating furnace Download PDFInfo
- Publication number
- CN108518979A CN108518979A CN201810384091.1A CN201810384091A CN108518979A CN 108518979 A CN108518979 A CN 108518979A CN 201810384091 A CN201810384091 A CN 201810384091A CN 108518979 A CN108518979 A CN 108518979A
- Authority
- CN
- China
- Prior art keywords
- fire door
- charging tray
- door
- push
- charging
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 abstract description 13
- 239000004411 aluminium Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
Abstract
A kind of push-down aluminum-bar heating furnace, it is related to aluminium bar production equipment technology；Charging tray is provided in burner hearth, charging tray is arranged on heat-resisting steel track, and heat-resisting steel track is arranged on carrier chain；The both ends of the burner hearth are respectively arranged with feeding furnace door and the big fire door of discharging, and for charging port door pocket on feeding big fire door, the discharge end of carrier chain is provided with the small fire door of discharging, discharges and is provided with charging tray return chain between small fire door and the big fire door of charging；The charging tray of the push rod and carrier chain feed end is drivingly connected, and hydraulic station is connect with push rod；The gas supply system is connect with burner；The burner hearth upper end is provided with combustion-supporting fan, and combustion fan is drivingly connected with combustion-supporting fan.Card carrier bar and guipure situation is not present in the configuration of the present invention is simple, avoids breaking down in stove, on-call maintenance can also be accomplished for furnace body external fault, also carrier bar and guipure need not be regularly replaced, has saved maintenance cost and working hour, it can be achieved that the automated production for continuing, stablizing.
Description
Technical field
The present invention relates to aluminium bar production equipment technologies, and in particular to a kind of push-down aluminum-bar heating furnace.
Background technology
Aluminium section bar aluminium bar be mostly used in industry in production heating process, at present flight conveyor formula stove and wire-mesh belt furnace,
Step-by-step movement aluminum-bar heating furnace.But the furnace structure of three is complex, easily breaks down in the actual production process, and maintenance mans
Duration, maintenance cost are high；Three is weaker for the adaptability of productive temp simultaneously, and automated production degree is low；In addition three exists
Switch charging and when discharging door, can cause a large amount of thermal losses, make its feed end and discharge end workpiece temperature float up and down compared with
Greatly, heating quality is reduced, production precision is low, does not have energy-saving effect.
Disadvantage of the existing technology：
1, maintenance problem：
Flight conveyor formula stove and wire-mesh belt furnace, in actual production process, it is easy to card guipure situation occur, especially
It is that when being limited by furnace height and width, product card guipure easily occurs in the case of workpiece shapes size to be heated is irregular
Phenomenon, in long-time high temperature service, carrier bar or guipure easily deform, and chain-plate type stove and wire-mesh belt furnace is caused to need timing (one
Year or so) replace carrier bar and guipure, whole carrier bar and guipure and need to expend tens of thousands of yuan, to which there is higher maintenance costs；
Step-by-step movement aluminum-bar heating furnace is complicated, is difficult to accomplish timely maintenance when breaking down, and results even in halt production
Situation, to reduce automated production degree.
2, to the adaptedness of productive temp：
When chain-plate type stove, wire-mesh belt furnace and walking beam furnace input and output material, no matter pending workpiece is how geomery, still
How workpiece is put in stove, is limited by three's furnace structure, and workpiece must be passed in and out from input and output material gate entire row, during discharging
Workpiece need to wait for manipulator to capture one by one, and a large amount of thermal losses can be caused in waiting process, may cause with productive temp not
Match condition reduces the quality of production.
3, energy-saving aspect：
When chain-plate type stove, wire-mesh belt furnace and walking beam furnace input and output material, it is necessary to open input and output material gate, this will cause to be heat-treated
Stove inner air and outer air generates a large amount of exchanges, and thermal losses is larger, and in stove, especially close to input and output material end, aluminium bar temperature change is very fast,
The temperature instability of heating process is caused, while also increasing total gas consumption, lean production, energy-saving effect is not achieved
Fruit.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple structure and reasonable design, make
With convenient push-down aluminum-bar heating furnace.
To achieve the above object, the technical solution adopted by the present invention is：It includes combustion fan, combustion-supporting fan, burner hearth, stove
Wall, burner, charging tray, heat-resisting steel track, push rod, feeding furnace door, charging tray return to chain, gas supply system, the big fire door of discharging, go out
Expect small fire door, hydraulic station, the small fire door of charging；The periphery of the burner hearth is provided with furnace wall, is provided with burner on furnace wall, in burner hearth
It is provided with charging tray, charging tray is arranged on heat-resisting steel track, and heat-resisting steel track is arranged on carrier chain；The both ends of the burner hearth point
It is not provided with feeding furnace door and the big fire door that discharges, on feeding big fire door, the discharge end of carrier chain is arranged charging port door pocket
There is the small fire door of discharging, discharges and be provided with charging tray return chain between small fire door and the big fire door of charging；The push rod and carrier chain
The charging tray of feed end is drivingly connected, and hydraulic station is connect with push rod；The gas supply system is connect with burner；The burner hearth
Upper end is provided with combustion-supporting fan, and combustion fan is drivingly connected with combustion-supporting fan.
Preferably, limit switches are arranged on the carrier chain, limit switch is connect with PLC controller circuit.
Preferably, the push rod is arranged on the outside of feeding furnace door.
It is arranged in the outside of furnace wall preferably, the charging tray returns to chain.
Preferably, the number of the heat-resisting steel track is four.
The operation principle of the present invention is that：Feed mechanism is set in feed end, captures aluminium bar, and be positioned over feed end carrier chain
In the empty tray of side, 7 front of ideal heat-resisting steel track is gone to by PLC program and limit switch control charging tray and aluminium bar,
The unlatching of small fire door 15 is fed, while push rod 8 pushes charging tray 6, discharge end is also pushed out a charging tray 6 and aluminium bar, and discharge port
Door 13 is opened, then the aluminium bar handled well is shipped for the gripping of discharge end manipulator by discharge end conveyor chain, and empty tray returns to dress
Material, so on circulate, reaches sustainable, automated production.
With the above structure, what the present invention generated has the beneficial effect that：
1, maintenance problem：
It is simple in structure, card carrier bar and guipure situation is not present, avoids breaking down in stove, also may be used for furnace body external fault
Accomplish on-call maintenance, need not also regularly replace carrier bar and guipure, saves maintenance cost and working hour, it can be achieved that lasting, stable
Automated production；
2, to the adaptedness of productive temp：
Since its unique multi-track transport material structure, the big fire door of feed end cover the small fire door of small door structure, discharge end
Unique design not only can also realize and individually discharge from small fire door from the multiple rows of discharging of big fire door, avoid stove gate other workpiece
Heat is largely lost, to the more adaptable of productive temp, ensure that heating production precision and workpiece heat quality；
3, energy-saving aspect：
Unique small fire door design, makes it that can greatly reduce the contact area of stove inner air and outer air in input and output material, thus compared with
The thermal losses for having lacked burner hearth and workpiece stablizes the same of heating production to reduce the demand on gas total amount of heating reaching
When, also achieve the effect that energy-saving.
Description of the drawings
Fig. 1 is the overlooking structure figure of the present invention；
Fig. 2 is side block diagram.
Reference sign：
Combustion fan 1, combustion-supporting fan 2, burner hearth 3, furnace wall 4, burner 5, charging tray 6, heat-resisting steel track 7, push rod 8, feed furnace
Door 9, charging tray return to chain 10, gas supply system 11, the big fire door 12 of discharging, the small fire door 13 of discharging, hydraulic station 14, charging port
Door 15.
Specific implementation mode
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without having to pay creative labor, may be used also for those of ordinary skill in the art
With obtain other attached drawings according to these attached drawings.
Referring to such as Fig. 1 --- shown in Fig. 2, present embodiment adopts the following technical scheme that：It include combustion fan 1,
Combustion-supporting fan 2, burner hearth 3, furnace wall 4, burner 5, charging tray 6, heat-resisting steel track 7, push rod 8, feeding furnace door 9, charging tray return chain 10,
Gas supply system 11, the small fire door 13 of discharging, hydraulic station 14, feeds small fire door 15 at the big fire door 12 of discharging；The burner hearth 3
Periphery is provided with furnace wall 4, and burner 5 is provided on furnace wall 4, and charging tray 6 is provided in burner hearth 3, and charging tray 6 is arranged in heat-resisting steel track 7
On, heat-resisting steel track 7 is arranged on carrier chain；The both ends of the burner hearth 3 are respectively arranged with feeding furnace door 9 and the big fire door that discharges
12, it feeds small fire door 15 and is sleeved on the big fire door of charging 9, the discharge end of carrier chain is provided with the small fire door 13 of discharging, and discharge port
It is provided with charging tray between door 13 and the big fire door of charging 9 and returns to chain 10；The charging tray 6 of the push rod 8 and carrier chain feed end drives
Dynamic connection, hydraulic station 14 are connect with push rod 8；The gas supply system 11 is connect with burner 5；3 upper end of burner hearth is set
It is equipped with combustion-supporting fan 2, combustion fan 1 is drivingly connected with combustion-supporting fan 2.
Preferably, limit switches are arranged on the carrier chain, limit switch is connect with PLC controller circuit.
Preferably, the setting of push rod 8 is in 9 outside of feeding furnace door.
It is arranged in the outside of furnace wall 4 preferably, the charging tray returns to chain 10.
Preferably, the number of the heat-resisting steel track 7 is four.
The working principle of this specific embodiment: being：Feed mechanism is set in feed end, captures aluminium bar, and be positioned over charging
In the empty tray for holding conveyor chain side, ideal heat-resisting rail is gone to by PLC program and limit switch control charging tray and aluminium bar
7 front of road, feeds the unlatching of small fire door 15, and while push rod 8 pushes charging tray 6, discharge end is also pushed out a charging tray 6 and aluminium bar,
The small fire door 13 that discharges is opened, then the aluminium bar handled well is shipped for the gripping of discharge end manipulator, sky material by discharge end conveyor chain
Disk returns to charging, so on circulate, reaches sustainable, automated production.
With the above structure, what present embodiment generated has the beneficial effect that：
1, maintenance problem：
It is simple in structure, card carrier bar and guipure situation is not present, avoids breaking down in stove, also may be used for furnace body external fault
Accomplish on-call maintenance, need not also regularly replace carrier bar and guipure, saves maintenance cost and working hour, it can be achieved that lasting, stable
Automated production；
2, to the adaptedness of productive temp：
Since its unique multi-track transport material structure, the big fire door of feed end cover the small fire door of small door structure, discharge end
Unique design not only can also realize and individually discharge from small fire door from the multiple rows of discharging of big fire door, avoid stove gate other workpiece
Heat is largely lost, to the more adaptable of productive temp, ensure that heating production precision and workpiece heat quality；
3, energy-saving aspect：
Unique small fire door design, makes it that can greatly reduce the contact area of stove inner air and outer air in input and output material, thus compared with
The thermal losses for having lacked burner hearth and workpiece stablizes the same of heating production to reduce the demand on gas total amount of heating reaching
When, also achieve the effect that energy-saving.
The basic principles and main features and advantages of the present invention of the present invention have been shown and described above.The skill of the industry
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (5)
1. a kind of push-down aluminum-bar heating furnace, it is characterised in that：It include combustion fan, combustion-supporting fan, burner hearth, furnace wall, burner,
Charging tray, heat-resisting steel track, push rod, feeding furnace door, charging tray return to chain, gas supply system, the big fire door of discharging, discharging port
Door, hydraulic station, the small fire door of charging；The periphery of the burner hearth is provided with furnace wall, and burner is provided on furnace wall, is provided in burner hearth
Charging tray, charging tray are arranged on heat-resisting steel track, and heat-resisting steel track is arranged on carrier chain；The both ends of the burner hearth are respectively set
There is feeding furnace door and the big fire door that discharges, for charging port door pocket on feeding big fire door, the discharge end of carrier chain is provided with discharging
Small fire door discharges and is provided with charging tray return chain between small fire door and the big fire door of charging；The push rod and carrier chain feed end
Charging tray be drivingly connected, hydraulic station connect with push rod；The gas supply system is connect with burner；The burner hearth upper end is set
It is equipped with combustion-supporting fan, combustion fan is drivingly connected with combustion-supporting fan.
2. a kind of push-down aluminum-bar heating furnace according to claim 1, it is characterised in that：It is provided on the carrier chain
Limit switch, limit switch are connect with PLC controller circuit.
3. a kind of push-down aluminum-bar heating furnace according to claim 1, it is characterised in that：The push rod setting is being fed
On the outside of fire door.
4. a kind of push-down aluminum-bar heating furnace according to claim 1, it is characterised in that：The charging tray returns to chain and sets
It sets in the outside of furnace wall.
5. a kind of push-down aluminum-bar heating furnace according to claim 1, it is characterised in that：The number of the heat-resisting steel track
Mesh is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384091.1A CN108518979A (en) | 2018-04-26 | 2018-04-26 | A kind of push-down aluminum-bar heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810384091.1A CN108518979A (en) | 2018-04-26 | 2018-04-26 | A kind of push-down aluminum-bar heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108518979A true CN108518979A (en) | 2018-09-11 |
Family
ID=63429106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810384091.1A Pending CN108518979A (en) | 2018-04-26 | 2018-04-26 | A kind of push-down aluminum-bar heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518979A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238225A (en) * | 2020-01-09 | 2020-06-05 | 济南麦哈勃冶金技术开发有限公司 | Continuous feeding system of zirconium core sintering tunnel kiln |
| CN113639551A (en) * | 2021-08-27 | 2021-11-12 | 紫江炉业南京有限公司 | Rotatable chain plate type heating furnace |
| CN116555549A (en) * | 2023-07-10 | 2023-08-08 | 江苏丰东热技术有限公司 | Continuous tempering furnace with charging tray locking structure |
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| US4412816A (en) * | 1981-01-16 | 1983-11-01 | Gautschi Electro-Fours Ag | Sliding shoe for a pusher furnace |
| CN101382383A (en) * | 2008-09-18 | 2009-03-11 | 章体 | Aluminum rod heating-furnace |
| CN201340186Y (en) * | 2008-11-24 | 2009-11-04 | 北京赛能杰高新技术股份有限公司 | Round billet heating device for pusher continuous heating furnace |
| CN201867042U (en) * | 2010-10-12 | 2011-06-15 | 中国石油化工股份有限公司 | Push plate kiln |
| CN202209884U (en) * | 2011-09-09 | 2012-05-02 | 岳阳钟鼎热工电磁科技有限公司 | Novel furnace door structure of aluminum industrial furnace |
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| CN202582175U (en) * | 2012-03-30 | 2012-12-05 | 天长市昭田磁电科技有限公司 | Internal track system of hydraulic system of kiln |
| CN102925635A (en) * | 2012-11-12 | 2013-02-13 | 南京年达炉业科技有限公司 | Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line |
| CN103131858A (en) * | 2013-02-22 | 2013-06-05 | 宜兴市炜华合金材料有限公司 | Tungsten-base alloy waste material recovery furnace |
| CN203820840U (en) * | 2014-05-05 | 2014-09-10 | 淄博高新区百力工贸有限公司 | Tempering furnace with flue gas recovery and combustion characteristic |
| CN204111810U (en) * | 2014-08-18 | 2015-01-21 | 长春一汽嘉信热处理科技有限公司 | Large loading capacity tempering stove |
| CN106152792A (en) * | 2016-07-29 | 2016-11-23 | 河南省天利工业炉有限公司 | A kind of push rod furnace fire door elevating mechanism |
| CN106288776A (en) * | 2015-05-25 | 2017-01-04 | 天津华夏泓源实业有限公司 | A kind of lithium battery powder sintering the most double push pedal resistance furnace |
| DE102015010401A1 (en) * | 2015-08-14 | 2017-02-16 | Eisenmann Se | thrust oven |
| CN208349818U (en) * | 2018-04-26 | 2019-01-08 | 许国华 | A kind of push-down aluminum-bar heating furnace |
-
2018
- 2018-04-26 CN CN201810384091.1A patent/CN108518979A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4412816A (en) * | 1981-01-16 | 1983-11-01 | Gautschi Electro-Fours Ag | Sliding shoe for a pusher furnace |
| CN101382383A (en) * | 2008-09-18 | 2009-03-11 | 章体 | Aluminum rod heating-furnace |
| CN201340186Y (en) * | 2008-11-24 | 2009-11-04 | 北京赛能杰高新技术股份有限公司 | Round billet heating device for pusher continuous heating furnace |
| CN201867042U (en) * | 2010-10-12 | 2011-06-15 | 中国石油化工股份有限公司 | Push plate kiln |
| CN202209884U (en) * | 2011-09-09 | 2012-05-02 | 岳阳钟鼎热工电磁科技有限公司 | Novel furnace door structure of aluminum industrial furnace |
| CN202450118U (en) * | 2011-12-20 | 2012-09-26 | 南京长宏电炉有限责任公司 | Tray-pushing solidifying heat treatment production line |
| CN202582175U (en) * | 2012-03-30 | 2012-12-05 | 天长市昭田磁电科技有限公司 | Internal track system of hydraulic system of kiln |
| CN202509106U (en) * | 2012-04-18 | 2012-10-31 | 长春一汽嘉信热处理科技有限公司 | Push rod type double-grate low-temperature tempering furnace |
| CN102925635A (en) * | 2012-11-12 | 2013-02-13 | 南京年达炉业科技有限公司 | Rail locomotive bolster lateral frame continuous pushing-disc type heat treatment production line |
| CN103131858A (en) * | 2013-02-22 | 2013-06-05 | 宜兴市炜华合金材料有限公司 | Tungsten-base alloy waste material recovery furnace |
| CN203820840U (en) * | 2014-05-05 | 2014-09-10 | 淄博高新区百力工贸有限公司 | Tempering furnace with flue gas recovery and combustion characteristic |
| CN204111810U (en) * | 2014-08-18 | 2015-01-21 | 长春一汽嘉信热处理科技有限公司 | Large loading capacity tempering stove |
| CN106288776A (en) * | 2015-05-25 | 2017-01-04 | 天津华夏泓源实业有限公司 | A kind of lithium battery powder sintering the most double push pedal resistance furnace |
| DE102015010401A1 (en) * | 2015-08-14 | 2017-02-16 | Eisenmann Se | thrust oven |
| CN106152792A (en) * | 2016-07-29 | 2016-11-23 | 河南省天利工业炉有限公司 | A kind of push rod furnace fire door elevating mechanism |
| CN208349818U (en) * | 2018-04-26 | 2019-01-08 | 许国华 | A kind of push-down aluminum-bar heating furnace |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238225A (en) * | 2020-01-09 | 2020-06-05 | 济南麦哈勃冶金技术开发有限公司 | Continuous feeding system of zirconium core sintering tunnel kiln |
| CN111238225B (en) * | 2020-01-09 | 2021-06-15 | 济南麦哈勃冶金技术开发有限公司 | Continuous feeding system of zirconium core sintering tunnel kiln |
| CN113639551A (en) * | 2021-08-27 | 2021-11-12 | 紫江炉业南京有限公司 | Rotatable chain plate type heating furnace |
| CN116555549A (en) * | 2023-07-10 | 2023-08-08 | 江苏丰东热技术有限公司 | Continuous tempering furnace with charging tray locking structure |
| CN116555549B (en) * | 2023-07-10 | 2023-10-24 | 江苏丰东热技术有限公司 | Continuous tempering furnace with charging tray locking structure |
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