CN114289528A - High-speed wire air-cooled roller way - Google Patents
High-speed wire air-cooled roller way Download PDFInfo
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- CN114289528A CN114289528A CN202111405490.XA CN202111405490A CN114289528A CN 114289528 A CN114289528 A CN 114289528A CN 202111405490 A CN202111405490 A CN 202111405490A CN 114289528 A CN114289528 A CN 114289528A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention provides a high-speed wire air-cooled roller bed, which belongs to the technical field of steel rolling and comprises a frame, a plurality of roller shafts, a detector and a temperature blocking assembly; the roll shafts are arranged in parallel at intervals along a conveying path and are respectively in rotating connection with the rack, the detector is connected to the rack and is arranged at intervals with the roll shafts along the axes of the roll shafts, and the detector is used for detecting the conveying condition of the roll shafts; keep off the temperature subassembly use the first axis as the pivot with the frame rotates to be connected, and is located two adjacent between the roller, the first axis is on a parallel with the axis of roller, keep off the temperature subassembly and follow first axis with the detector sets up relatively, keep off the temperature subassembly and wind when the first axis rotates, have and shield the state of shielding that the detector sent the signal, and right the detector sends the conducting state that the signal gave way. The invention provides a high-speed wire air-cooling roller way, aiming at preventing a detection piece from being damaged by a high-temperature environment and prolonging the service life of the detection piece.
Description
Technical Field
The invention belongs to the technical field of steel rolling, and particularly relates to a high-speed wire air-cooling roller bed.
Background
Steel rolling refers to a press working process of changing the shape of a steel ingot or a steel billet between rotating rolls. And (3) conveying the high-temperature wire rods to a roller way after processing, and cooling the wire rods in an air cooling mode. Whether set up detection piece and detect to having the wire rod on the roll table on the forced air cooling roll table usually to the operation of control roll table or stop, but the wire rod temperature on the roll table is higher, and high temperature environment causes the damage to detection piece easily.
Disclosure of Invention
The invention aims to provide a high-speed wire air-cooling roller way, which can avoid a detection piece from being damaged by a high-temperature environment and prolong the service life of the detection piece.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a high line forced air cooling roll table includes:
a frame;
the roll shafts are arranged in parallel at intervals along the conveying path and are respectively and rotatably connected with the rack;
the detector is connected to the rack and arranged at intervals with the roller shaft along the axis of the roller shaft, and is used for detecting the conveying condition of the roller shaft; and
keep off the temperature subassembly to the first axis as the pivot with the frame rotates to be connected, and is located two adjacent between the roller, the first axis is on a parallel with the axis of roller, keep off the temperature subassembly and follow first axis with the detector sets up relatively, keep off the temperature subassembly and wind when the first axis rotates, have and shield the state of shielding that the detector signals, and right the detector signals the on-state of stepping down.
In one possible implementation, the temperature blocking assembly includes:
the two ends of the connecting shaft are respectively and rotatably connected with the rack, the axis of the connecting shaft forms the first axis, and the supporting surface of the connecting shaft and the supporting surface of the roll shaft are positioned on the same plane; and
the separation blade is arranged at the end part of the connecting shaft, a yielding groove is formed in the separation blade, and the separation blade is in a conducting state when the yielding groove corresponds to the detector; when the abdicating groove is staggered with the detector, the blocking piece is in a shielding state.
In a possible implementation mode, keep off the temperature subassembly still including locating the separation blade with the first elastic component of frame junction, locating first stopper on the separation blade with locate second stopper in the frame, first elastic component is configured with the messenger step down the groove with the corresponding pretightning force of detector, first stopper is followed the radial setting of separation blade, the second stopper is followed the axis setting of roller, first stopper with the butt of second stopper makes keep off the temperature subassembly and keep shielding the state.
In a possible implementation manner, the altitude air-cooled roller way further comprises a cooling assembly connected with the frame, the cooling assembly comprises a water tank located below the roller shaft, the top of the water tank is provided with an opening, and the bottom end of the roller shaft is located in the water tank.
In a possible implementation manner, the cooling assembly further comprises a cold air pipe connected to the frame, an air inlet of the cold air pipe is connected with the air blower, an air outlet of the cold air pipe is located at one end of the detector, where the roller shaft is close to, and the cold air pipe is along with cold air output outwards in the axis direction of the roller shaft.
In a possible implementation manner, the roller shaft is connected with a first driver, the first driver can control the roller shaft to rotate, and the altitude air-cooling roller bed further comprises a controller respectively in communication connection with the first driver and the detector.
In a possible implementation manner, the altitude forced air cooling roll table is further provided with a guide assembly arranged on the frame, the guide assembly is located at two ends of the roll shaft and can stretch along the axis of the roll shaft, and the guide assembly is used for guiding the wire rod in the direction perpendicular to the conveying path.
In one possible implementation, the guide assembly includes:
the two second drivers are arranged on the rack and are respectively positioned at two ends of the roll shaft; and
and the driving end of the second driver can control the guide plates to move along the axial direction of the roll shaft so as to guide the wire.
In one possible implementation manner, the altitude air-cooled roller bed further includes an adjusting assembly disposed above the roller shaft, and the adjusting assembly includes:
the bottom end of the supporting frame is connected with the rack, and the top end of the supporting frame extends to the upper part of the conveying surface;
the adjusting plate is connected to the supporting frame in a sliding mode along the direction perpendicular to the conveying surface; and
the second elastic piece is arranged at the joint of the adjusting plate and the supporting frame, and the second elastic piece is configured with pretightening force for enabling the adjusting plate to be close to the roller shaft.
In a possible implementation manner, the adjusting plate includes a first adjusting portion and a second adjusting portion connected along the conveying direction, the first adjusting portion is an arc-shaped plate-shaped member, and one side of the first adjusting portion located at the upstream is bent in a direction away from the roller shaft, the second adjusting portion is a plate-shaped member, and the second adjusting portion is located at the downstream of the first adjusting portion.
The high-speed wire air-cooled roller bed provided by the invention has the beneficial effects that: compared with the prior art, when the high-speed wire air-cooled roller bed conveys wires, the wires have higher temperature, so that heat exchange is generated with the outside, and the outside temperature is increased. The roller is used for carrying the wire rod, and when the wire rod moved to fender temperature subassembly department along direction of delivery, keep off the temperature subassembly and rotate around first axis under the effect of frictional force to switch between shielding state and the state of conducting. When the detector can intermittently receive signals, the fact that the wire is normally conveyed on the roll shaft is proved; when the detector can continuously receive the signal or cannot receive the signal all the time, the situation that no wire is on the roller shaft is indicated. The temperature blocking assembly can prevent heat emitted by the wire from generating continuous impact on the detector, improves the detection precision of the detector, prolongs the service life of the detector and does not influence the normal work of the detector.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a main schematic view of a high-speed wire air-cooled roller bed according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a top view of the high line air-cooled roller bed shown in FIG. 1;
fig. 4 is a schematic main view of a high-speed wire air-cooled roller bed according to a second embodiment of the present invention;
FIG. 5 is a top view of the high line air-cooled roller bed shown in FIG. 4;
FIG. 6 is a side view of a high-speed wire air-cooled roller bed provided in the third embodiment of the present invention;
fig. 7 is a main schematic view of a high-speed wire air-cooled roller bed provided in the fourth embodiment of the present invention.
In the figure: 1. a frame; 2. a roll shaft; 3. a water tank; 4. a connecting shaft; 5. a baffle plate; 501. a yielding groove; 502. a first stopper; 503. a second limiting block; 6. a detector; 7. a cold air pipe; 8. a second driver; 9. a guide plate; 10. a support frame; 11. an adjusting plate; 1101. a first adjusting section; 1102. a second regulating part.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3 together, the high-speed wire air-cooled roller bed provided by the present invention will now be described. The altitude air-cooled roller bed comprises a frame 1, a plurality of roller shafts 2, a detector 6 and a temperature blocking assembly; the roll shafts 2 are arranged in parallel at intervals along the conveying path and are respectively connected with the rack 1 in a rotating mode, the detector 6 is connected to the rack 1 and is arranged at intervals with the roll shafts 2 along the axis of the roll shafts 2, and the detector 6 is used for detecting the conveying conditions of the roll shafts 2; keep off the temperature subassembly and use first axis to rotate with frame 1 as the pivot and be connected, and be located between two adjacent roller 2, first axis is on a parallel with the axis of roller 2, keeps off the temperature subassembly and sets up with detector 6 relatively along first axis, keeps off the temperature subassembly and when rotating around first axis, has the shielding state that shields detector 6 and send the signal and let the conducting state who puts to detector 6.
Compared with the prior art, the high-speed wire air-cooling roller bed provided by the invention has the advantages that when the high-speed wire air-cooling roller bed is used for conveying wires, the wires have higher temperature, so that heat exchange is generated between the wires and the outside, and the outside temperature is increased. The roller shaft 2 is used for conveying a wire rod, and when the wire rod moves to the temperature blocking component along the conveying direction, the temperature blocking component rotates around the first axis under the action of friction force, so that the shielding state and the conduction state are switched. When the detector 6 can intermittently receive signals, the fact that the wire is normally conveyed on the roller shaft 2 is proved; when the detector 6 can continuously receive the signal or cannot receive the signal all the time, the situation that no wire is on the roller shaft 2 is indicated. The temperature blocking assembly can prevent heat emitted by the wire from continuously impacting the detector 6, improve the detection precision and prolong the service life of the detector 6, and meanwhile, the normal work of the detector 6 cannot be influenced.
Optionally, the signal that detector 6 sent is optical signal, and detector 6 includes the transmitting terminal that sets up relatively with keeping off the temperature subassembly and locates the receiving terminal of the roller 2 other end, and the transmitting terminal sets up relatively with the receiving terminal along the axis of roller 2.
In the present invention, the wire is conveyed by the rotation of the roller shaft 2.
In some embodiments, referring to fig. 1 to 3, the temperature blocking assembly includes a connecting shaft 4 and a blocking piece 5, two ends of the connecting shaft 4 are respectively rotatably connected to the frame 1, an axis of the connecting shaft 4 forms a first axis, and a supporting surface of the connecting shaft 4 and a supporting surface of the roller shaft 2 are located on the same plane; the blocking piece 5 is arranged at the end part of the connecting shaft 4, the blocking piece 5 is provided with a yielding groove 501, and when the yielding groove 501 corresponds to the detector 6, the blocking piece 5 is in a conducting state; when the escape groove 501 is shifted from the detector 6, the shutter 5 is in a shielding state.
In this embodiment, when the wire is conveyed to the connecting shaft 4, the wire continues to advance under the action of inertia, and generates a friction force with the connecting shaft 4 to rotate the connecting shaft 4, so as to drive the blocking piece 5 to rotate, and when the abdicating groove 501 on the blocking piece 5 is opposite to the signal sent by the detector 6, the blocking piece 5 is in a conducting state; when the blocking piece 5 rotates to the avoiding groove 501 and is staggered with the signal sent by the detector 6, the blocking piece 5 is in a shielding state. Can confirm that the roll shaft 2 has the wire rod to carry through to separation blade 5 continuous switching between shielding state and conducting state, when separation blade 5 continuously is in shielding state or conducting state, can confirm that there is not the wire rod to carry on confirming the roll shaft 2 to can close the machine, make roll shaft 2 stall, reduce the energy consumption.
Specifically, the diameter of the blocking piece 5 is larger than that of the roller shaft 2, the blocking piece 5 is located outside the rack 1, the blocking piece 5 does not interfere with the rack 1 when rotating, and a signal generated by the detector 6 passes through the upper side of the rack 1 to be prevented from being blocked by the rack 1.
In some embodiments, please refer to fig. 1 to 3, the temperature blocking assembly further includes a first elastic member disposed at a connection portion between the blocking plate 5 and the frame 1, a first limiting block 502 disposed on the blocking plate 5, and a second limiting block 503 disposed on the frame 1, the first elastic member is configured with a pre-tightening force for enabling the receding groove 501 to correspond to the detector 6, the first limiting block 502 is disposed along a radial direction of the blocking plate 5, the second limiting block 503 is disposed along an axis of the roller shaft 2, and the first limiting block 502 abuts against the second limiting block 503 to enable the temperature blocking assembly to maintain a shielding state.
The wire rod is carried to connecting axle 4, and separation blade 5 rotates to first stopper 502 and second stopper 503 butt along with connecting axle 4 when, and separation blade 5 can't continue to rotate, and separation blade 5 is in the state of shielding, and the wire rod of carrying in succession makes first stopper 502 and second stopper 503 guarantee the butt state, and separation blade 5 can last to block high temperature steam, avoids its direct impact to detect the piece and causes the damage to it. When no wire rod is conveyed on the roller shaft 2, the connecting shaft 4 does not bear the friction force of the wire rod any longer, the blocking piece 5 resets under the action of the first elastic piece, the abdicating groove 501 corresponds to the detector 6, the blocking piece 5 is in a conduction state, and at the moment, the fact that no wire rod is arranged on the roller shaft 2 can be determined, and the roller shaft 2 can be stopped rotating.
In some embodiments, referring to fig. 1, the altitude air-cooled roller way further comprises a cooling assembly connected to the frame 1, the cooling assembly comprises a water tank 3 located below the roller shaft 2, the top of the water tank 3 has an opening, and the bottom end of the roller shaft 2 is located in the water tank 3.
Hold the cooling water in the water tank 3, when roller 2 rotates and carries the wire rod, the bottom of roller 2 rotate to with the water tank 3 in the cooling water contact, then the roller 2 that has the cooling water rotates to top and wire rod contact to cooling down the wire rod, avoiding the wire rod of high temperature to make around temperature rise, influence detector 6's detection precision and life.
In some embodiments, referring to fig. 4, the cooling assembly further includes a cold air pipe 7 connected to the frame 1, an air inlet of the cold air pipe 7 is connected to the blower, an air outlet of the cold air pipe 7 is located at one end of the roller shaft 2 close to the detector 6, and the cold air pipe 7 outputs cold air outwards along the axial direction of the roller shaft 2.
The air-blower passes through cold air pipe 7 and outwards carries cold air, and cold air blows along the axis of roller 2, can lower the temperature to the wire rod on the roller 2, blows the steam that the wire rod produced to the one side of keeping away from detector 6 simultaneously, reduces the temperature near detector 6.
In some embodiments, not shown in the figures, the roller shaft 2 is connected to a first drive capable of controlling the rotation of the roller shaft 2, and the altitude air-cooled roller bed further comprises a controller in communication with the first drive and the detector 6, respectively.
When the detector 6 detects that no wire is on the roller shaft 2, a stop signal is generated, and the controller controls the first driver to stop working according to the stop signal; when the detector 6 detects that the wire rod is arranged on the roller shaft 2, an opening signal is generated, and the controller controls the first driver to start working according to the opening signal. This embodiment can be convenient the opening and closing of control first driver, need not artifical monitoring, has improved monitoring efficiency, has reduced the energy consumption.
In some embodiments, referring to fig. 6, the altitude air-cooled roller bed further includes guide assemblies disposed on the frame 1, the guide assemblies are located at two ends of the roller shaft 2 and can extend and retract along an axis of the roller shaft 2, and the guide assemblies are configured to guide the wire rod in a direction perpendicular to the conveying path.
When the wire rod was carried on roller 2, fold between the adjacent wire rod and press, if one of them wire rod takes place the skew, make subsequent wire rod also take place the skew easily to cause a large amount of wire rods landing from roller 2, influence production efficiency. The wire rod is guided in the direction parallel to the axis of the roller shaft 2 through the guide assembly, and the wire rod can be prevented from sliding off the roller shaft 2.
In some embodiments, referring to fig. 6, the guiding assembly includes two second drivers 8 and two guiding plates 9, the two second drivers 8 are disposed on the frame 1, and the two second drivers 8 are respectively disposed at two ends of the roller shaft 2; two guide plates 9 are connected to the driving end of the second driver 8, and the driving end of the second driver 8 can control the guide plates 9 to move along the axial direction of the roller shaft 2 so as to guide the wire.
The wire may be deformed during the production or the transportation, so that the outer diameter or the roundness of the wire does not meet the standard. The distance between the two guide plates 9 is adjusted according to the size of the produced wire rod, so that the guide plates are matched with the outer diameter of the wire rod, the wire rod can be guided, and the size of the wire rod can be adjusted.
In some embodiments, referring to fig. 7, the altitude air-cooling roller bed further includes an adjusting assembly disposed above the roller shaft 2, the adjusting assembly includes a supporting frame 10, an adjusting plate 11 and a second elastic member, the bottom end of the supporting frame 10 is connected to the frame 1, and the top end extends above the conveying surface; the adjusting plate 11 is connected with the supporting frame 10 in a sliding way along the direction vertical to the conveying surface; the second elastic component is arranged at the joint of the adjusting plate 11 and the supporting frame 10, and the second elastic component is configured with a pretightening force for enabling the adjusting plate 11 to be close to the roller shaft 2.
The wires may be stacked during the conveying process, which affects the conveying and heat dissipation of the wires, and the adjusting plate 11 can adjust the wires in a direction perpendicular to the conveying surface, so that the stacked wires are pushed away. The height of the adjusting plate 11 on the supporting frame 10 is controlled according to the height of the wire, and when the wire is stacked such that the height of the wire exceeds the gap between the adjusting plate 11 and the roll shaft 2 and cannot pass through the adjusting plate 11, the wire continues to advance to be laid flat.
In some embodiments, referring to fig. 7, the adjusting plate 11 includes a first adjusting portion 1101 and a second adjusting portion 1102 connected along the conveying direction, the first adjusting portion 1101 is an arc-shaped plate-shaped member, and a side located upstream is bent in a direction away from the roller shaft 2, the second adjusting portion 1102 is a plate-shaped member, and the second adjusting portion 1102 is located downstream of the first adjusting portion 1101.
The first adjusting portion 1101 is an arc-shaped plate-shaped member, so that friction between the first adjusting portion and the wire rod can be reduced, impact force between the first adjusting portion and the wire rod is buffered, and the wire rod is prevented from being hooked to cause further stacking of the wire rod. The wire rod smoothly enters the second adjusting portion 1102 after being adjusted by the first adjusting portion 1101, so that the wire rod can be ensured to be laid flat on the roller shaft 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. High line forced air cooling roll table, its characterized in that includes:
a frame;
the roll shafts are arranged in parallel at intervals along the conveying path and are respectively and rotatably connected with the rack;
the detector is connected to the rack and arranged at intervals with the roller shaft along the axis of the roller shaft, and is used for detecting the conveying condition of the roller shaft; and
keep off the temperature subassembly to the first axis as the pivot with the frame rotates to be connected, and is located two adjacent between the roller, the first axis is on a parallel with the axis of roller, keep off the temperature subassembly and follow first axis with the detector sets up relatively, keep off the temperature subassembly and wind when the first axis rotates, have and shield the state of shielding that the detector signals, and right the detector signals the on-state of stepping down.
2. The high wire air-cooled roller way of claim 1, wherein the temperature blocking assembly comprises:
the two ends of the connecting shaft are respectively and rotatably connected with the rack, the axis of the connecting shaft forms the first axis, and the supporting surface of the connecting shaft and the supporting surface of the roll shaft are positioned on the same plane; and
the separation blade is arranged at the end part of the connecting shaft, a yielding groove is formed in the separation blade, and the separation blade is in a conducting state when the yielding groove corresponds to the detector; when the abdicating groove is staggered with the detector, the blocking piece is in a shielding state.
3. The high-speed wire air-cooled roller way as claimed in claim 2, wherein the temperature blocking assembly further comprises a first elastic member arranged at the joint of the blocking piece and the frame, a first limiting block arranged on the blocking piece, and a second limiting block arranged on the frame, the first elastic member is configured with a pre-tightening force for enabling the abdicating groove to correspond to the detector, the first limiting block is arranged along the radial direction of the blocking piece, the second limiting block is arranged along the axial direction of the roller shaft, and the first limiting block and the second limiting block are abutted to enable the temperature blocking assembly to keep a shielding state.
4. The wire air-cooled roller bed of claim 1, further comprising a cooling assembly connected to the frame, the cooling assembly comprising a water tank located below the roller shaft, the water tank having an opening at a top thereof, the roller shaft having a bottom end located within the water tank.
5. The high-speed wire air-cooling roller way as claimed in claim 4, wherein the cooling assembly further comprises a cold air pipe connected to the frame, an air inlet of the cold air pipe is connected with the air blower, an air outlet of the cold air pipe is located at one end, close to the detector, of the roller shaft, and the cold air pipe outputs cold air outwards along the axial direction of the roller shaft.
6. The wire-cooled roller bed of claim 1, wherein the roller shaft is coupled to a first drive capable of controlling rotation of the roller shaft, the wire-cooled roller bed further comprising a controller communicatively coupled to the first drive and the detector, respectively.
7. The wire air-cooling roller way of claim 1, further comprising guide assemblies arranged on the frame, wherein the guide assemblies are positioned at two ends of the roller shaft and can extend and retract along the axis of the roller shaft, and the guide assemblies are used for guiding the wires in a direction perpendicular to the conveying path.
8. The high line air-cooled roller way of claim 7, wherein the guide assembly comprises:
the two second drivers are arranged on the rack and are respectively positioned at two ends of the roll shaft; and
and the driving end of the second driver can control the guide plates to move along the axial direction of the roll shaft so as to guide the wire.
9. The high-speed wire air-cooled roller way of claim 1, further comprising an adjustment assembly disposed above the roller shaft, the adjustment assembly comprising:
the bottom end of the supporting frame is connected with the rack, and the top end of the supporting frame extends to the upper part of the conveying surface;
the adjusting plate is connected to the supporting frame in a sliding mode along the direction perpendicular to the conveying surface; and
the second elastic piece is arranged at the joint of the adjusting plate and the supporting frame, and the second elastic piece is configured with pretightening force for enabling the adjusting plate to be close to the roller shaft.
10. The high-speed wire air-cooling roller way according to claim 9, wherein the adjusting plate comprises a first adjusting part and a second adjusting part which are connected along the conveying direction, the first adjusting part is an arc-shaped plate-shaped member, one side of the first adjusting part, which is located at the upstream, is bent in a direction away from the roller shaft, the second adjusting part is a flat-plate-shaped member, and the second adjusting part is located at the downstream of the first adjusting part.
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| CN202111405490.XA CN114289528B (en) | 2021-11-24 | 2021-11-24 | High-speed wire air-cooled roller way |
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| CN202111405490.XA CN114289528B (en) | 2021-11-24 | 2021-11-24 | High-speed wire air-cooled roller way |
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| CN114289528B CN114289528B (en) | 2023-06-16 |
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|---|---|---|---|---|
| CN115739981A (en) * | 2022-11-17 | 2023-03-07 | 山东奇特新材料有限公司 | Cooling mechanism is used in hot rolling reinforcing bar production |
| CN115739981B (en) * | 2022-11-17 | 2024-03-15 | 山东奇特新材料有限公司 | Cooling mechanism for hot rolled steel bar production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114289528B (en) | 2023-06-16 |
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