CN214735937U - Annealing furnace with heat preservation effect - Google Patents
Annealing furnace with heat preservation effect Download PDFInfo
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- CN214735937U CN214735937U CN202120352955.9U CN202120352955U CN214735937U CN 214735937 U CN214735937 U CN 214735937U CN 202120352955 U CN202120352955 U CN 202120352955U CN 214735937 U CN214735937 U CN 214735937U
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- 238000000137 annealing Methods 0.000 title claims abstract description 165
- 230000000694 effects Effects 0.000 title claims abstract description 27
- 238000004321 preservation Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 59
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 239000007769 metal material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
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Abstract
The utility model relates to a metal heat treatment's technical field, mainly relate to an annealing stove with heat preservation effect, including annealing stove body, material inlet and material export have been seted up on the lateral wall of annealing stove body, material inlet and material export are located annealing stove body relative both sides wall, this internal in-connection of annealing stove has the transmission assembly who is used for transmitting the work piece to the material export from material inlet, be provided with a furnace gate on material inlet and the material export respectively, be connected with on the annealing stove body and be used for driving the furnace gate rotation and make it cover the drive link assembly on material inlet and material export. The annealing furnace has the effects of reducing heat loss, maintaining stable temperature in the annealing furnace and improving annealing efficiency.
Description
Technical Field
The application relates to the technical field of metal heat treatment, in particular to an annealing furnace with a heat preservation effect.
Background
The metal material is often hardened after cold working, the strength and hardness of the metal material after the work hardening are improved, and the ductility and toughness are reduced, so that the difficulty degree of further processing and application of the metal material is increased. In order to alleviate such work hardening phenomenon, it is often necessary to anneal the metal material using an annealing furnace.
At present, chinese patent No. CN103103336A discloses a steel wire annealing furnace, which comprises a furnace shell, a furnace lining, a furnace top and an electric heating element. The furnace lining is arranged at the bottom of the furnace shell, arc-shaped grooves for supporting the line pipes are arranged on the furnace lining at equal intervals, the line pipes penetrate through the inlet end and the outlet end of the annealing furnace and are arranged on the grooves of the brackets, the electric heating elements are arranged above and below the line pipes at equal intervals, hydrogen gas inlet pipes are arranged on the line pipes close to the inlet ends of the steel wires, and the furnace top is arranged above the furnace shell.
In view of the above-mentioned related art, the inventors believe that the above-mentioned wire annealing furnace has an unstable temperature inside the annealing furnace and affects the annealing quality because the wire inlet and outlet are open during the process of annealing the metal material.
SUMMERY OF THE UTILITY MODEL
In order to maintain the temperature in the annealing furnace stable and improve the efficiency of annealing operation, the application provides an annealing furnace with a heat preservation effect.
The application provides an annealing stove with heat preservation effect adopts following technical scheme:
the utility model provides an annealing stove with heat preservation effect, includes annealing stove body, material inlet and material export have been seted up respectively on the relative both sides wall of annealing stove body, material inlet and material export are located the both sides wall of annealing stove body width, annealing stove body in-connection has and is used for transmitting the transmission assembly of work piece to the material export from material inlet, be provided with the furnace gate on material inlet and the material export respectively, be connected with on the annealing stove body and be used for driving the furnace gate rotation and make it cover the drive link assembly on material inlet and the material export.
Through adopting above-mentioned technical scheme, when carrying out annealing operation, put into the work piece of treating processing from the material entry, the transmission subassembly operates, transports the work piece to the annealing stove originally internally. Under the effect of drive link assembly, the furnace gate is closed, and the inside of annealing stove body forms the enclosure space, and the annealing stove begins to anneal the work piece this moment, and after the annealing finishes, the furnace gate that sets up on the material export is opened under the effect of drive link assembly, and the work piece transports out the annealing stove body through the material export under the effect of transmission assembly. Through mutually supporting of annealing stove body, furnace gate, transmission assembly and drive link assembly, realized the automatic annealing operation to the work piece, reduced losing of the interior heat of stove in the annealing process, had the effect that improves annealing efficiency.
Optionally, drive link assembly includes connecting rod motor, dwang and connecting rod, the width direction setting of annealing stove body is followed to the dwang, the dwang rotates to be connected on annealing stove body, the one end and the dwang rigid coupling of connecting rod, the other end and furnace gate rigid coupling, connecting rod motor connects on annealing stove body, be connected with first gear on the output shaft of connecting rod motor, the cover is equipped with the second gear on the dwang, first gear and second gear intermeshing.
Through adopting above-mentioned technical scheme, the connecting rod motor starts, drives the connecting rod and uses the dwang to rotate as the center, and the furnace gate removes thereupon, has realized opening and shutting the automation of furnace gate.
Optionally, the transmission assembly includes the transmission roller, the transmission roller rotates along the width direction of annealing stove body and connects in annealing stove body, the transmission roller has arranged a plurality of in proper order along the length direction of annealing stove body, the roller shaft of transmission roller stretches out annealing stove body and fixed cover is equipped with the transmission gear, and the transmission gear meshing that is located the homonymy has a drive chain, this external connection of annealing stove is used for driving transmission gear pivoted transmission motor.
By adopting the technical scheme, the transmission motor is started to drive the transmission gear coaxially connected with the transmission motor to rotate, all the transmission gears synchronously rotate under the matching action of the chain wheel and the chain, and the transmission roller arranged in the annealing furnace body rotates to realize the transmission operation of the workpiece.
Optionally, an auxiliary transmission assembly is arranged outside the annealing furnace body, one auxiliary transmission assembly is arranged beside the material inlet and the material outlet, the auxiliary transmission assembly comprises a transmission frame and a plurality of auxiliary rollers, and the auxiliary rollers are parallel to each other and are rotatably connected to the transmission frame.
Through adopting above-mentioned technical scheme, when adding or taking out the work piece to annealing stove this internal, supplementary transmission assembly carries out the bearing to the work piece, need not the artifical work piece of taking, has reduced operating personnel's intensity of labour.
Optionally, the transmission frame is fixedly connected with an insertion rod, the annealing furnace body is provided with a connecting groove for inserting the insertion rod, the bottom of the transmission frame is connected with a universal wheel, and when the auxiliary transmission assembly is inserted into the annealing furnace body, the direction of the auxiliary roller is parallel to the width direction of the annealing furnace body.
Through adopting above-mentioned technical scheme, supplementary transmission assembly can dismantle with annealing stove body and be connected, installs the universal wheel under the transmission frame, is convenient for dismantle and remove it.
Optionally, be provided with the temperature-detecting subassembly on the annealing stove body, the temperature-detecting subassembly includes temperature sensor and digital display screen, temperature sensor connects in the annealing stove body, the digital display screen is connected on the annealing stove body, temperature sensor passes through control system electric connection in digital display screen.
Through adopting above-mentioned technical scheme, the temperature measurement subassembly set up the real-time supervision who has realized the interior temperature of stove, and the operating personnel of being convenient for adjusts and control the interior temperature of stove, maintains the stability of the interior temperature of stove, improves annealing quality and efficiency.
Optionally, a circulating air heater is arranged outside the annealing furnace body, a circulating air pipe is communicated with the annealing furnace body, and one end of the circulating air pipe is communicated with an air outlet of the circulating air heater.
By adopting the technical scheme, the hot air in the annealing furnace body is circulated by the circulating hot air blower, so that the temperature of each part in the annealing furnace body is uniform, the possibility of local overheating of the workpiece in the annealing process is reduced, and the annealing operation efficiency is improved.
Optionally, a heat-insulating layer is fixedly connected in the annealing furnace body, and the heat-insulating layer is matched with the inner wall of the annealing furnace body.
Through adopting above-mentioned technical scheme, the heat preservation can keep warm to the annealing stove body, reduces losing of thermal in the heating process, has maintained the stability of this internal temperature of annealing stove.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the matching arrangement of the driving connecting rod assembly and the furnace door, the automatic opening and closing of the furnace door is realized, so that a closed space is formed in the annealing furnace body in the annealing process, the heat loss in the annealing process is reduced, the stability of the temperature in the furnace is convenient to maintain, and the annealing efficiency is improved;
2. the auxiliary transmission assembly is convenient for an operator to carry out loading and unloading operation, so that the labor intensity of the operator is reduced;
3. the circulating hot air blower circulates the air in the annealing furnace, so that the air temperature of each part in the annealing furnace is kept uniform, the possibility of local overheating of the workpiece is reduced, and the annealing efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of an annealing furnace for exhibiting a heat retaining effect according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a circulating air heater embodying the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1 according to an embodiment of the present application;
FIG. 4 is a cross-sectional view of an embodiment of the present application for embodying a transfer roller;
fig. 5 is a schematic structural diagram of an interior of an annealing furnace for embodying a heating effect in the embodiment of the present application.
Description of reference numerals: 1. the annealing furnace comprises an annealing furnace body, 11 and a material inlet; 12. a material outlet; 2. a transmission assembly; 21. a transfer roller; 22. a transmission gear; 23. a drive chain; 24. a transmission motor; 3. a furnace door; 4. a drive link assembly; 41. a link motor; 42. rotating the rod; 43. a first connecting rod; 44. a second connecting rod; 45. a first gear; 46. a second gear; 5. a heat-insulating layer; 6. connecting grooves; 7. a circulating air heater; 8. a circulating air duct; 9. a temperature detection assembly; 91. a temperature sensor; 92. a digital display screen; 10. an auxiliary transmission assembly; 101. a transmission rack; 1011. a frame; 1012. a support bar; 102. an auxiliary roller; 103. a universal wheel; 104. a plug rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application provides an annealing furnace with heat preservation effect, and it has the effect that reduces the loss of heat in the annealing furnace in-process, improves annealing efficiency. Referring to fig. 1 and 2, the annealing furnace having a heat-retaining effect includes an annealing furnace body 1 and a transfer assembly 2. A material inlet 11 and a material outlet 12 are respectively arranged on two side walls of the annealing furnace body 1 in the width direction. The material inlet 11 and the material outlet 12 are respectively provided with a furnace door 3, the annealing furnace body 1 is connected with a driving connecting rod assembly 4 fixedly connected with the furnace doors 3, and the furnace doors 3 can rotate and cover the material inlet 11 and the material outlet 12 under the action of the driving connecting rod assembly 4. The conveying assembly 2 is connected to the lehr body 1 and is used to convey the workpieces from the material inlet 11 to the material outlet 12.
Referring to fig. 1 and 2, when annealing operation is performed, an operator places a workpiece in the material inlet 11, the conveying assembly 2 is started to convey the workpiece into the annealing furnace body 1 and stops operating, and the furnace door 3 covers the material inlet 11 and the material outlet 12 under the action of the driving connecting rod assembly 4, so that a closed space is formed in the annealing furnace body 1, and heat loss in the annealing process is reduced. The annealing furnace starts a heating annealing operation of the workpiece in the furnace. After the annealing is finished, the furnace door 3 is opened, and the conveying assembly 2 conveys the workpiece out of the annealing furnace body 1 through the material outlet 12.
Referring to fig. 1 and 3, the driving link assemblies 4 are respectively provided in a set at both ends of the annealing furnace body 1 in the length direction, and the driving link assemblies 4 include a link motor 41, a rotating lever 42, and a connecting link. The rotating rod 42 is rotatably connected to the top wall of the annealing furnace body 1 and is located at the end part of the annealing furnace body 1 in the length direction, and the setting direction of the rotating rod 42 is parallel to the width direction of the annealing furnace body 1. The connecting rods include a first connecting rod 43 and a second connecting rod 44. The first connecting rods 43 are fixedly connected to each rotating rod 42, the first connecting rods 43 are perpendicularly connected to the rotating rods 42, one ends, far away from the rotating rods 42, of the first connecting rods 43 are fixedly connected to second connecting rods 44, the second connecting rods 44 are coplanar with the first connecting rods 43 and are connected with the first connecting rods 43 in an acute angle, and one ends, far away from the first connecting rods 43, of the second connecting rods 44 are fixedly connected with the furnace door 3.
Referring to fig. 3, a link motor 41 is connected to the ceiling wall of the annealing furnace body 1 by bolts, and a first gear 45 is coaxially connected to the link motor 41. The rotating rod 42 is sleeved with a second gear 46, and the second gear 46 is meshed with the first gear 45.
Referring to fig. 1 and 3, in an initial state, the oven door 3 is in a closed state, when loading and unloading are required, the link motor 41 is started to drive the first gear 45 coaxially connected therewith to rotate, the second gear 46 meshed with the first gear 45 synchronously rotates, the first connecting rod 43 and the second connecting rod 44 rotate around the rotating rod 42, so that the oven door 3 is opened, and the closing of the oven door 3 is the reverse process of the above operations.
Referring to fig. 1 and 4, the conveying assembly 2 comprises conveying rollers 21, the conveying rollers 21 are rotatably connected in the annealing furnace body 1, the conveying rollers 21 are arranged along the width direction of the annealing furnace body 1, and a plurality of rollers are uniformly arranged along the length direction of the annealing furnace body 1. The two ends of each transmission roller 21 respectively extend out of the side wall of the annealing furnace body 1 and are sleeved with a transmission gear 22, a driving chain 23 is meshed on the transmission gear 22 positioned on the same side, one of the transmission gears 22 is selected as a driving gear, a transmission motor 24 is connected to the outer side wall of the annealing furnace body 1 through a bolt, and the output shaft of the transmission motor 24 is coaxially connected to the driving gear.
Referring to fig. 1 and 4, when a workpiece is located at the material inlet 11, the transmission motor 24 is started, all the transmission gears 22 synchronously rotate under the driving action of the driving chain 23, and the transmission gears 22 drive the transmission rollers 21 to rotate, so that the workpiece is transported.
Referring to fig. 2, a circulating air heater 7 is arranged outside the annealing furnace body 1, a circulating air pipe 8 is communicated with the annealing furnace body 1, the circulating air pipe 8 is communicated with an inner cavity of the annealing furnace body 1, and the other end of the circulating air pipe 8 is communicated with an air outlet of the circulating air heater 7. When annealing operation is carried out, the circulating hot air blower 7 is started, so that the air temperature in the annealing furnace body 1 is kept uniform, the possibility of local overheating of workpieces in the annealing furnace is reduced, and the annealing efficiency is improved.
Referring to fig. 1 and 5, the inner side wall of the annealing furnace body 1 is paved with a heat preservation layer 5, and the heat preservation layer 5 is used for preserving heat of the annealing furnace body 1, so that heat loss in the annealing process is reduced. The annealing furnace body 1 is provided with a temperature detection assembly 9, and the temperature detection assembly 9 comprises a temperature sensor 91 and a digital display screen 92. The temperature sensor 91 is connected in the annealing furnace body 1, the digital display screen 92 is connected on the side wall of the annealing furnace body 1, and the temperature sensor 91 is electrically connected with the digital display screen 92 through the control system.
Referring to fig. 1, an operator can monitor the temperature of the annealing furnace in real time through the digital display screen 92, and adjust the temperature in the annealing furnace body 1 according to the change of the numerical value on the digital display screen 92, so as to keep the stability of the temperature in the furnace.
Referring to fig. 1, an auxiliary conveying assembly 10 is respectively arranged beside a material inlet 11 and a material outlet 12 of an annealing furnace body 1, and the auxiliary conveying assembly 10 comprises a conveying frame 101 and an auxiliary roller 102. The transmission frame 101 comprises a frame 1011 and a support rod 1012, wherein a plurality of auxiliary rollers 102 are mutually parallel and rotatably connected in the frame 1011, the support rod 1012 is fixedly connected at four corners of the frame 1011, one end of the support rod 1012, which is far away from the frame 1011, is connected with a universal wheel 103 through a bolt, and the universal wheel 103 is supported on the ground. Fixedly connected with peg graft pole 104 on the transmission frame 101, seted up on the annealing stove body 1 and supplied peg graft pole 104 male spread groove 6, annealing stove body 1 and supplementary transmission assembly 10 realize dismantling with spread groove 6 through peg graft pole 104 and be connected. When the auxiliary conveying assembly 10 is inserted on the annealing furnace body 1, the direction of the auxiliary rollers 102 is parallel to the width direction of the annealing furnace body 1, and the height of the auxiliary rollers 102 is kept flush with the bottom edge height of the material inlet 11 and the material outlet 12.
Referring to fig. 1, the arrangement of the transmission frame 101 enables workpieces to be taken without manual work during feeding and discharging, and labor intensity of workers is reduced. The movement of the auxiliary transfer assembly 10 can also be achieved by removing it from the lehr body 1 if desired.
The implementation principle of the annealing furnace with the heat preservation effect in the embodiment of the application is as follows: when annealing operation is carried out, the staff preheats the annealing furnace body 1 through the temperature detection assembly 9. The worker places the workpiece to be processed on the transmission roller 21 of the auxiliary transmission assembly 10, opens the connecting rod motor 41 to open the furnace door 3 at the material inlet 11 under the driving of the driving connecting rod assembly 4, pushes the workpiece into the annealing furnace body 1, starts the transmission assembly 2, stops the operation when transporting the workpiece to the inside of the annealing furnace body 1, and at the moment, the connecting rod motor 41 reversely rotates to close the furnace door 3 at the material inlet 11. The circulating hot air blower 7 starts to operate, so that the air in the annealing furnace is uniformly mixed, and the occurrence of local overheating of the workpiece is reduced. After the annealing is finished, the conveying assembly 2 is started, the furnace door 3 at the material outlet 12 is opened under the driving of the driving connecting rod assembly 4, and the workpiece is conveyed out of the annealing furnace and slides to the auxiliary conveying assembly 10 at the outlet.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an annealing stove with heat preservation effect, includes annealing stove body (1), its characterized in that, material entry (11) and material export (12) have been seted up respectively on the relative both sides wall of annealing stove body (1), material entry (11) and material export (12) are located the ascending both sides wall of annealing stove body (1) width direction, annealing stove body (1) in-connection has and is used for transmitting transmission subassembly (2) to material export (12) from material entry (11) with the work piece, be provided with furnace gate (3) on material entry (11) and material export (12) respectively, be connected with on annealing stove body (1) and be used for driving furnace gate (3) rotatory and make it cover drive link assembly (4) on material entry (11) and material export (12).
2. The annealing furnace with heat-insulating effect according to claim 1, wherein: drive link assembly (4) include connecting rod motor (41), dwang (42) and connecting rod, the width direction setting of annealing stove body (1) is followed in dwang (42), dwang (42) rotate to be connected on annealing stove body (1), the one end and dwang (42) rigid coupling of connecting rod, the other end and furnace gate (3) rigid coupling, connecting rod motor (41) are connected on annealing stove body (1), be connected with first gear (45) on the output shaft of connecting rod motor (41), the cover is equipped with second gear (46) on dwang (42), first gear (45) and second gear (46) intermeshing.
3. The annealing furnace with heat-insulating effect according to claim 1, wherein: transmission subassembly (2) are including transmission roller (21), transmission roller (21) rotate along the width direction of annealing stove body (1) and connect in annealing stove body (1), transmission roller (21) have arranged a plurality of in proper order along the length direction of annealing stove body (1), the roller shaft of transmission roller (21) stretches out annealing stove body (1) and fixed cover is equipped with transmission gear (22), and transmission gear (22) that are located the homonymy mesh has a drive chain (23), annealing stove body (1) outer connection has transmission motor (24) that are used for driving transmission gear (22) pivoted.
4. The annealing furnace with heat-insulating effect according to claim 1, wherein: the annealing furnace body (1) is externally provided with an auxiliary transmission assembly (10), the auxiliary transmission assembly (10) is respectively arranged beside the material inlet (11) and the material outlet (12), the auxiliary transmission assembly (10) comprises a transmission frame (101) and auxiliary rollers (102), and the auxiliary rollers (102) are mutually parallel and rotatably connected to the transmission frame (101).
5. The annealing furnace having a heat retaining effect according to claim 4, wherein: fixedly connected with grafting pole (104) on transmission frame (101), set up on annealing stove body (1) and supply grafting pole (104) male spread groove (6), transmission frame (101) bottom is connected with universal wheel (103), when supplementary transmission assembly (10) is pegged graft with annealing stove body (1), the direction of supplementary roller (102) is parallel with the width direction of annealing stove body (1).
6. The annealing furnace with heat-insulating effect according to claim 1, wherein: be provided with temperature-detecting component (9) on annealing stove body (1), temperature-detecting component (9) include temperature sensor (91) and digital display screen (92), temperature sensor (91) are connected in annealing stove body (1), digital display screen (92) are connected on annealing stove body (1), temperature sensor (91) pass through control system electric connection in digital display screen (92).
7. The annealing furnace with heat-insulating effect according to claim 1, wherein: the annealing furnace is characterized in that a circulating air heater (7) is arranged outside the annealing furnace body (1), a circulating air pipe (8) is communicated with the annealing furnace body (1), and one end of the circulating air pipe (8) is communicated with an air outlet of the circulating air heater (7).
8. The annealing furnace with heat-insulating effect according to claim 1, wherein: the annealing furnace body (1) is internally and fixedly connected with a heat-insulating layer (5), and the heat-insulating layer (5) is matched with the inner wall of the annealing furnace body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352955.9U CN214735937U (en) | 2021-02-07 | 2021-02-07 | Annealing furnace with heat preservation effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120352955.9U CN214735937U (en) | 2021-02-07 | 2021-02-07 | Annealing furnace with heat preservation effect |
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| CN214735937U true CN214735937U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120352955.9U Expired - Fee Related CN214735937U (en) | 2021-02-07 | 2021-02-07 | Annealing furnace with heat preservation effect |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116924665A (en) * | 2023-09-15 | 2023-10-24 | 江苏达鑫玻璃工程有限公司 | Annealing furnace for glass products |
| CN117232253A (en) * | 2023-11-14 | 2023-12-15 | 河南天利热工装备股份有限公司 | Roller hearth annealing furnace |
-
2021
- 2021-02-07 CN CN202120352955.9U patent/CN214735937U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116924665A (en) * | 2023-09-15 | 2023-10-24 | 江苏达鑫玻璃工程有限公司 | Annealing furnace for glass products |
| CN116924665B (en) * | 2023-09-15 | 2023-11-21 | 江苏达鑫玻璃工程有限公司 | Annealing furnace for glass products |
| CN117232253A (en) * | 2023-11-14 | 2023-12-15 | 河南天利热工装备股份有限公司 | Roller hearth annealing furnace |
| CN117232253B (en) * | 2023-11-14 | 2024-03-19 | 河南天利热工装备股份有限公司 | Roller hearth annealing furnace |
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Granted publication date: 20211116 |