CN110314932B - Stainless steel hot continuous rolling billet heat preservation method - Google Patents
Stainless steel hot continuous rolling billet heat preservation method Download PDFInfo
- Publication number
- CN110314932B CN110314932B CN201910606737.0A CN201910606737A CN110314932B CN 110314932 B CN110314932 B CN 110314932B CN 201910606737 A CN201910606737 A CN 201910606737A CN 110314932 B CN110314932 B CN 110314932B
- Authority
- CN
- China
- Prior art keywords
- wall
- stainless steel
- hot continuous
- fixedly connected
- continuous rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 40
- 238000004321 preservation Methods 0.000 title claims abstract description 35
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 32
- 239000010935 stainless steel Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 108
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 230000000694 effects Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 239000002918 waste heat Substances 0.000 description 6
- 238000009749 continuous casting Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
- B21B1/463—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a continuous process, i.e. the cast not being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Forging (AREA)
Abstract
The invention discloses a stainless steel hot continuous rolling billet heat preservation method, which comprises the following steps: the motor in the stainless steel hot continuous rolling production equipment is electrically connected with an external power supply, and the motor drives the roller to move the target high-temperature steel; opening an inlet and an outlet of a heater in the stainless steel hot continuous rolling production equipment so as to facilitate the passing of target steel; when the heat of the target steel is low, the internal pressure of the shell in the stainless steel hot continuous rolling production equipment is reduced, the second baffle is moved to press the switch, the switch is turned on, the electric bell gives an alarm to warn a worker, and the worker operates to ensure the normal work of the stainless steel hot continuous rolling production equipment; the invention facilitates the movement of target steel through the power mechanism, facilitates the automatic control of the heating power of the heating mechanism through the heat preservation mechanism, switches the heat preservation and heating states of the heating mechanism, facilitates the alarm in an abnormal state through the alarm mechanism, and can pull the heat preservation mechanism to finish the heat preservation state of the heating mechanism when the steel passes by.
Description
Technical Field
The invention relates to the technical field of hot continuous rolling production equipment, in particular to a heat preservation method for stainless steel hot continuous rolling billets.
Background
The continuous casting and rolling is a steel rolling process that liquid steel is poured into a continuous casting machine to cast a billet, then the billet is directly fed into a hot continuous rolling mill set to be rolled and formed after being kept warm for a certain time in a soaking pit without cooling, the process ingeniously combines the casting process and the rolling process, and compared with the traditional process that the billet is cast firstly and then is heated by a heating furnace and then is rolled, the process has the advantages of simplifying the process, improving the labor condition, increasing the metal yield, saving energy, improving the quality of the continuous casting billet and being convenient for realizing mechanization and automation;
in common hot continuous rolling production facility, adopt direct conventional heating usually, after steel cuts off the material, its firing equipment still continues the heating, cause the extravagant problem of the energy, steel runs off seriously through back both sides heat energy simultaneously, further extravagant heat energy, when the heating that the heating function is unusual can not be fine, can't send the alarm sound by oneself to make the staff can not in time handle, influence work efficiency, so need a device that can solve above-mentioned problem promptly.
Disclosure of Invention
The invention aims to provide a heat preservation method for stainless steel hot continuous rolling billets, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a heat preservation method for stainless steel hot continuous rolling billets comprises the following steps:
s1: the motor in the stainless steel hot continuous rolling production equipment is electrically connected with an external power supply, and the motor drives the roller to move the target steel;
s2: opening an inlet and an outlet of the stainless steel hot continuous rolling production equipment in the S1, so that the target steel can pass through conveniently;
s3: when the heat of the target steel is low in S2, the internal pressure of the shell in the stainless steel hot continuous rolling production equipment is reduced, the second baffle is moved to press the switch, the switch is turned on, the electric bell gives an alarm to warn a worker, and the worker operates to ensure the normal work of the stainless steel hot continuous rolling production equipment;
the stainless steel hot continuous rolling production equipment comprises a power mechanism, a heating mechanism, a heat preservation mechanism and an alarm mechanism, wherein the rear end of the alarm mechanism is movably arranged on the inner wall of the rear part of the power mechanism, the front end of the alarm mechanism is movably arranged on the inner wall of the front part of the power mechanism, the lower end of the heating mechanism is fixedly connected with the upper end of the side part of the power mechanism, the outer wall of the middle part of the heat preservation mechanism is rotatably arranged at the upper end of the heating mechanism, the power mechanism is supported by supporting legs and the ground, target steel is driven to move towards the inside of the heating mechanism through the power mechanism in the use process, when the steel passes through the alarm mechanism after passing through the self temperature of the steel, the alarm mechanism gives an alarm, if the temperature is normal, the target steel is sent into the heating mechanism, the upper end of the heat preservation mechanism is downwards rotated by utilizing the dead weight of the heat preservation mechanism to cover two ports of the heating mechanism, so that heat preservation is realized for the heating mechanism, meanwhile, the working current of the heating mechanism is reduced, energy waste is reduced, meanwhile, the rear end of the alarm mechanism is upwards lifted through the heat preservation mechanism to prepare for next alarm work, and the heat preservation mechanism is suitable for the post-stage heating treatment work of the hot continuous rolling of the stainless steel.
Preferably, the power mechanism comprises a frame, a roller, a motor, a driving gear and a driven gear, the rollers are uniformly and rotatably arranged on the inner wall of the frame, the outer wall of the motor is fixedly connected with the lower end of the frame, the rear end of the driving gear is fixedly connected with the front end of the motor, the rear end of the driven gear is fixedly connected with the front end of the roller, the roller wheel penetrates through the frame, the lower end of the driven gear is engaged with the upper end of the driving gear, the motor is electrically connected with an external power supply to drive the driving gear to rotate, the driving gear is used for driving the driven gear to rotate, the twisting force of the driven gear is improved, the roller is driven to rotate, drive target steel through the gyro wheel and remove, provide basic kinetic energy for steel, realize that steel wears to send the function, be applicable to conveying work in the production heating work of hot continuous rolling, provide the installation frame for this device simultaneously.
Preferably, power unit still includes dog, spout and recess, the spout is seted up in the rear portion upper end of frame, the dog lid is in the spout upper end, and frame and spout fixed connection, the recess is seted up in the front portion upper end of frame, and with alarm mechanism's rear end lid in the spout through the dog, restriction alarm mechanism rear end along spout rebound working range, is used for alarm mechanism to rotate the installation through the recess, reduces alarm mechanism's occupation space, improves space utilization.
Preferably, the heating mechanism comprises a gear, a heater and a rotary rheostat, the inner wall of the gear is fixedly installed at one end of the rotary rheostat, the lower end of the rotary rheostat is fixedly connected to the upper end of the heater, the lower end of the heater is fixedly connected to the upper end of the rack, the heater and the rotary rheostat are electrically connected in series with an external power supply, the gear is driven to rotate by external force, a knob of the rotary rheostat is driven to rotate through the gear, and therefore resistance of the rotary rheostat is changed, power of the heater is changed, and the heating mechanism is suitable for controlling the power of the heater through.
Preferably, the heating mechanism further comprises a rotary hole, the rotary hole penetrates through the heater, the heat preservation mechanism penetrates through the heater through the rotary hole and is assembled with the heater, and the heat preservation mechanism and the heating mechanism are assembled conveniently.
Preferably, the heat preservation mechanism comprises a first cover plate, a first rotating shaft, a pulley, a rope and a second cover plate, wherein the side wall of the first cover plate is fixedly connected to one end of the first rotating shaft, the outer wall of the other end of the first rotating shaft is fixedly connected to the inner wall of the second cover plate, a support column is rotatably installed at one end of the pulley, the lower end of the support column is fixedly connected to the middle of the upper end of the rack, one end of the rope is fixedly connected to the upper portion of the side end of the first rotating shaft, the middle of the rope is supported on the upper wall of the pulley in a rolling manner, the outer wall of the middle of the first rotating shaft is inserted into the inner wall of the rotating hole in a sliding manner, the rope is pulled through external force, downward acting force is converted into backward acting force through the pulley, the first cover plate and the second cover plate rotate along the first rotating shaft, the first cover, the device is suitable for heating after the stainless steel hot continuous rolling production.
Preferably, the toothed ring on the second cover plate is meshed with and installed at the lower end of the gear, the second cover plate and the toothed ring are utilized to rotate downwards to drive the gear to rotate forwards, the gear rotates forwards, the knob of the rheostat is driven to rotate through the gear to rotate forwards to increase resistance, the power of the heater is reduced, the power is reduced when no target steel is in the heater, the energy utilization rate is improved, meanwhile, the inlet and the outlet are covered through the first cover plate and the second cover plate, the heat energy loss is reduced, the energy utilization rate is further improved, the device is suitable for high-temperature heating continuous rolling production, and the device can only be used for heating steel after being heated.
Preferably, the alarm mechanism comprises an electric bell, a switch, a second rotating shaft, a shell, a piston and a second baffle disc, the switch is fixedly connected with the side wall of the electric bell, the second rotating shaft is rotatably connected with the rear end of the shell, the second rotating shaft is movably clamped on the inner wall of the chute, the piston is arranged on the inner wall of the shell in a sealing and sliding manner, the second baffle disc is fixedly connected at the front end of the piston, when the alarm device passes through the upper end of the shell, the rear end of the alarm device is pressed downwards through the shell, the rope is pulled downwards, the rope drives the first rotating shaft to rotate, when the heat of the continuous target steel is low, the expansion rate of the gas in the shell is low, the piston is sucked inwards to drive the second baffle disc to move backwards, the second gear plate press switch is connected with the working power supply of the electric bell, so that the electric bell sounds to warn workers, and the electric bell is only suitable for heating steel and then is disconnected from heating.
Preferably, the alarm mechanism further comprises a support rod, a first baffle disc, a sliding block and an air tap, the support rod is fixedly connected with the electric bell, the first baffle disc is fixedly connected with the rear end of the piston, the slide block is fixedly connected with the rear end of the second rotating shaft, the sliding block is slidably arranged on the inner wall of the sliding groove, the air tap is fixedly connected with the outer wall of the front part of the shell, the shell is communicated with the inner space of the air tap, the outer wall of the front part of the shell, which deviates from the air tap, is rotatably arranged on the inner wall of the groove, the switch is fixedly connected with the front end surface of the supporting rod, the first baffle disc is fixed with the piston to prevent the piston from being sprayed out due to overhigh internal pressure of the shell, the sliding block is square and slides along the inner wall of the sliding groove to prevent the sliding block from rotating, the stability of the sliding operation of the sliding block is improved, the debugging work of the shell is facilitated by opening the air amount inside the air faucet, and the shell alarm device is suitable for abnormal shell alarm adjustment.
Preferably, the electric bell, the switch and the external power supply are electrically connected, the rear end of the sliding block is fixedly connected to the lower end of the rope, target steel passes through the upper side of the shell and presses the shell downwards, the sliding block acts on the sliding block through the second rotating shaft, the sliding block pulls the rope downwards to drive the first cover plate and the second cover plate to rotate upwards, an energy channel of the heater is opened, the gear is driven to rotate through the toothed ring, the knob of the rheostat is rotated through the reverse rotation of the gear, the resistance of the rotary rheostat is reduced, the heating power of the heater is improved, the target steel is better heated, meanwhile, the shell absorbs the waste heat of the target steel and expands to push the piston outwards, when the waste heat of the target steel is insufficient, the piston drives the second baffle plate to move backwards to extrude the switch, the working power supply of the electric bell is switched on, the, the second baffle is staggered with the switch, so that the piston is sucked inwards, the piston with the second baffle cannot extrude the switch to switch on the electric bell working power supply, false alarm is avoided, the alarm accuracy is improved, and the function is only suitable for subsequent heating work of hot continuous rolling.
Compared with the prior art, the invention has the following beneficial effects:
1. the movement of target steel is facilitated through the power mechanism, the heating of the steel in the moving process is facilitated through the heating mechanism, the heating power of the heating mechanism is automatically controlled through the heat preservation mechanism, the heat preservation state and the heating state of the heating mechanism are switched simultaneously, the alarm in an abnormal state is facilitated through the alarm mechanism, meanwhile, the heat preservation state of the heating mechanism can be finished by pulling the heat preservation mechanism when the steel passes through, and the steel can pass through conveniently;
2. the twisting force of the motor on the roller is improved through the driving gear and the driven gear, so that the roller can drive the target steel to move conveniently;
3. the working range of the alarm mechanism is bound through the groove and the sliding groove, so that the alarm mechanism can only swing up and down along the inner wall of the sliding groove around the inner wall of the groove, and the stability of the swing work of the alarm mechanism is improved;
4. the working current of the heater can be conveniently controlled by rotating the rheostat, and the rheostat can be conveniently controlled by external force through the gear;
5. the heat preservation mechanism and the pulley are convenient to rotate and install through the rotating hole, so that the second cover plate is convenient to drive the first cover plate to rotate synchronously;
6. the first cover plate and the second cover plate facilitate shielding of spaces on two sides of the heater, heat preservation is carried out, or the heater is opened for target steel to pass through;
7. the gear ring facilitates the rotation of the second cover plate to drive the gear to rotate to control the resistance of the rotary rheostat, and the rope facilitates the external power;
8. the shell is pressed downwards through steel materials, so that the second baffle disc and the switch are positioned on the same horizontal plane, and when the temperature of target steel materials is insufficient, the switch is pressed through the second baffle disc, so that the electric bell sounds to alarm;
9. when no target steel is arranged at the upper end of the shell, the slide block is pulled upwards by utilizing the reaction force of the downward rotation of the second cover plate, so that the second baffle plate is staggered with the switch, the low temperature cannot be alarmed, the false alarming is avoided, and the alarming accuracy is improved;
10. when the internal air volume of the shell deviates normally, the internal space of the shell is opened through the air tap, debugging work is carried out, and the temperature of the shell needs to be kept higher than normal temperature, so that the debugging work of the shell is carried out.
Drawings
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is an exploded view of the power mechanism of the present invention;
FIG. 4 is a schematic view of the heating mechanism of the present invention;
FIG. 5 is a schematic structural view of the heat-retaining mechanism of the present invention;
FIG. 6 is an exploded view of the alarm mechanism of the present invention;
in the figure: 1. a power mechanism; 2. a heating mechanism; 3. a heat preservation mechanism; 4. an alarm mechanism; 5. a frame; 6. a stopper; 7. a chute; 8. a roller; 9. an electric motor; 10. a driving gear; 11. a driven gear; 12. a groove; 13. a gear; 14. a heater; 15. hole turning; 16. a support block; 17. rotating the rheostat; 18. a first cover plate; 19. a first rotating shaft; 20. a toothed ring; 21. a pulley; 22. a rope; 23. a second cover plate; 24. an electric bell; 25. a strut; 26. a switch; 27. a first catch tray; 28. a second rotating shaft; 29. a slider; 30. a housing; 31. an air tap; 32. a piston; 33. and a second catch tray.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, an embodiment of the present invention is shown: a heat preservation method for stainless steel hot continuous rolling billets comprises the following steps:
s1: the motor in the stainless steel hot continuous rolling production equipment is electrically connected with an external power supply, and the motor drives the roller to move the target steel;
s2: opening an inlet and an outlet of the stainless steel hot continuous rolling production equipment in the S1, so that the target steel can pass through conveniently;
s3: when the heat of the target steel is low in S2, the internal pressure of the shell in the stainless steel hot continuous rolling production equipment is reduced, the second baffle is moved to press the switch, the switch is turned on, the electric bell gives an alarm to warn a worker, and the worker operates to ensure the normal work of the stainless steel hot continuous rolling production equipment;
the stainless steel hot continuous rolling production equipment comprises a power mechanism 1, a heating mechanism 2, a heat preservation mechanism 3 and an alarm mechanism 4, wherein the rear end of the alarm mechanism 4 is movably arranged on the inner wall of the rear part of the power mechanism 1, the front end of the alarm mechanism 4 is movably arranged on the inner wall of the front part of the power mechanism 1, the lower end of the heating mechanism 2 is fixedly connected to the upper end of the side part of the power mechanism 1, the outer wall of the middle part of the heat preservation mechanism 3 is rotatably arranged on the upper end of the heating mechanism 2 and is electrically connected with an external power supply through a motor 9 to drive a driving gear 10 to rotate, the driving gear 10 is used for driving a driven gear 11 to rotate, the twisting force of the driven gear 11 is.
The power mechanism 1 comprises a rack 5, a roller 8, a motor 9, a driving gear 10 and a driven gear 11, the roller 8 is uniformly rotatably mounted on the inner wall of the rack 5, the outer wall of the motor 9 is fixedly connected to the lower end of the rack 5, the rear end of the driving gear 10 is fixedly connected to the front end of the motor 9, the rear end of the driven gear 11 is fixedly connected to the front end of the roller 8, the roller 8 penetrates through the rack 5, the lower end of the driven gear 11 is engaged with the upper end of the driving gear 10, the power mechanism 1 further comprises a stop 6, a chute 7 and a groove 12, the chute 7 is arranged at the upper end of the rear part of the rack 5, the stop 6 covers the upper end of the chute 7, the rack 5 is fixedly connected with the chute 7, the groove 12 is arranged at the upper end of the front part of the rack 5, the heating mechanism, the lower end of the rotary rheostat 17 is fixedly connected to the upper end of the heater 14, the lower end of the heater 14 is fixedly connected to the upper end of the rack 5, the heater 14 and the rotary rheostat 17 are electrically connected in series with an external power supply, the gear 13 is driven to rotate by external force, the knob of the rotary rheostat 17 is driven to rotate through the gear 13, so that the resistance of the rotary rheostat 17 is changed, the power of the heater 14 is changed, the heating mechanism 2 further comprises a rotary hole 15, the rotary hole 15 penetrates through the heater 14, the heat preservation mechanism 3 comprises a first cover plate 18, a first rotary shaft 19, a pulley 21, a rope 22 and a second cover plate 23, the side wall of the first cover plate 18 is fixedly connected to one end of the first rotary shaft 19, the outer wall of the other end of the first rotary shaft 19 is fixedly connected to the inner wall of the second cover plate 23, a support column is rotatably installed at one end of the pulley, the middle part of the rope 22 is supported on the upper wall of the pulley 21 in a rolling way, the middle outer wall of the first rotating shaft 19 is inserted in the inner wall of the rotating hole 15 in a sliding way, the rope 22 is pulled by external force, the pulley 21 converts downward acting force into backward acting force, the first cover plate 18 and the second cover plate 23 rotate along the first rotating shaft 19, the first cover plate 18 and the second cover plate 23 are rotated to the upper part, the inlet and the outlet of the heater 14 are opened, target steel materials can pass through the heater, the toothed ring on the second cover plate 23 is engaged and installed at the lower end of the gear 13, the second cover plate 23 and the toothed ring 20 rotate downwards to drive the gear 13 to rotate forwards, the gear 13 rotates forwards, the knob of the rheostat 17 is driven by the gear 13 to rotate forwards to increase resistance, the power of the heater 14 is reduced, the power is reduced when no target steel materials exist in the heater 14, the energy utilization degree is improved, reduce heat energy loss, further improve energy utilization, alarm mechanism 4 includes electric bell 24, switch 26, second pivot 28, casing 30, piston 32 and second fender dish 33, switch 26 is fixed connection in the lateral wall of electric bell 24, second pivot 28 rotates the rear end of connecting at casing 30, second pivot 28 activity joint is in the inner wall of spout 7, piston 32 seals the sliding installation at the inner wall of casing 30, second fender dish 33 fixed connection is in the front end of piston 32, when passing through casing 30 upper end, the rear end of alarm mechanism 4 is pressed downwards through casing 30, pulling rope 22 downwards, realize that rope 22 drives first pivot 19 rotates, when continuous target steel heat is low, make casing 30 inside gas expansion rate low, inwards suck piston 32 and drive second fender dish 33 and move backwards, press switch 26 through second fender dish 33 and put through the working power supply of electric bell 24, the electric bell 24 sounds to warn workers, the alarm mechanism 4 further comprises a support rod 25, a first baffle disc 27, a sliding block 29 and an air nozzle 31, the support rod 25 is fixedly connected with the electric bell 24, the first baffle disc 27 is fixedly connected with the rear end of a piston 32, the sliding block 29 is fixedly connected with the rear end of a second rotating shaft 28, the sliding block 29 is slidably installed on the inner wall of a sliding groove 7, the air nozzle 31 is fixedly connected with the outer wall of the front part of a shell 30, the shell 30 is communicated with the inner space of the air nozzle 31, the shell 30 deviates from the outer wall of the front part of the air nozzle 31 and is rotatably installed on the inner wall of a groove 12, a switch 26 is fixedly connected with the front end surface of the support rod 25, the piston 32 is fixed by the first baffle disc 27, the piston 32 is prevented from being sprayed out due to overhigh internal pressure of the shell 30, the sliding block 29 is square and slides along the inner wall of, the debugging work of the shell 30 is facilitated, the electric bell 24 and the switch 26 are electrically connected with an external power supply, the rear end of the sliding block 29 is fixedly connected with the lower end of the rope 22, target steel passes through the upper side of the shell 30, the shell 30 is pressed downwards, the sliding block 29 is acted by the second rotating shaft 28, the rope 22 is pulled downwards by the sliding block 29, the first cover plate 18 and the second cover plate 23 are driven to rotate upwards, the energy channel of the heater 14 is opened, the gear 13 is driven to rotate by the toothed ring 20, the knob of the rheostat 17 is rotated in the reverse direction by the gear 13, the resistance of the rheostat 17 is reduced, the heating power of the heater 14 is improved, the target steel is better heated, meanwhile, the shell 30 absorbs the waste heat of the target steel, the piston 32 is expanded to push outwards, when the waste heat of the target steel is insufficient, the piston 32 drives the second baffle disc 33 to move backwards to squeeze, when steel materials are not pressed on the upper end of the shell 30, the second baffle disc 33 staggers the switch 26, so that the piston 32 is sucked inwards to drive the piston 32 to take the second baffle disc 33 to not extrude the switch 26 to switch on a working power supply of the electric bell 24, false alarm is avoided, and the alarm accuracy is improved.
The working principle is as follows: the electric motor 9 is electrically connected with an external power supply to drive the driving gear 10 to rotate, the driving gear 10 is driven to drive the driven gear 11 to rotate, the twisting force of the driven gear 11 is improved, the roller 8 is driven to rotate, the target steel is driven to move by the roller 8, the gear 13 is driven to rotate by external force, the knob of the rotary rheostat 17 is driven to rotate by the gear 13, so that the resistance of the rotary rheostat 17 is changed, the power of the heater 14 is changed, the rope 22 is pulled by the external force, the downward acting force is converted into backward acting force by the pulley 21, the first cover plate 18 and the second cover plate 23 are driven to rotate along the first rotating shaft 19, the first cover plate 18 and the second cover plate 23 are rotated to the upper part, the inlet and the outlet of the heater 14 are opened, the target steel can conveniently pass through, the second cover plate 23 and the toothed ring 20 are driven to rotate downward to drive the forward rotation gear 13, the forward, the power of the heater 14 is reduced, the power is reduced when no target steel material exists in the heater 14, the energy utilization rate is improved, meanwhile, the entrance and the exit are covered by the first cover plate 18 and the second cover plate 23, the heat energy loss is reduced, the energy utilization rate is further improved, when the rear end of the alarm mechanism 4 passes through the upper end of the shell 30, the rear end of the alarm mechanism 4 is pressed downwards by the shell 30, the rope 22 is pulled downwards, the first rotating shaft 19 is driven by the rope 22 to rotate, when the continuous target steel material is low in heat, the expansion rate of gas in the shell 30 is low, the piston 32 is sucked inwards to drive the second baffle disc 33 to move backwards, the working power supply of the electric bell 24 is switched on by the press switch 26 of the second baffle disc 33, the electric bell 24 sounds, the worker is warned, the first baffle disc 27 is fixed with the piston 32, the piston 32 is prevented from being sprayed out by the overhigh pressure in the shell 30, the, the rotation of the sliding block 29 is prevented, the stability of the sliding operation of the sliding block 29 is improved, the debugging operation of the shell 30 is facilitated by opening the internal air volume of the air tap 31, the shell 30 is pressed downwards by target steel passing through the upper side of the shell 30, the sliding block 29 is acted by the second rotating shaft 28, the rope 22 is pulled downwards by the sliding block 29 to drive the first cover plate 18 and the second cover plate 23 to rotate upwards, the energy channel of the heater 14 is opened, the gear 13 is driven by the toothed ring 20 to rotate, the knob of the rotary rheostat 17 is rotated in reverse direction by the gear 13, the resistance of the rotary rheostat 17 is reduced, the heating power of the heater 14 is improved, the target steel is better heated, meanwhile, the waste heat of the target steel is absorbed by the shell 30, the piston 32 is pushed outwards by expansion, when the waste heat of the target steel is insufficient, the piston 32 drives the second baffle disc 33 to move backwards, when steel materials are not pressed on the upper end of the shell 30, the second baffle disc 33 staggers the switch 26, so that the piston 32 is sucked inwards to drive the piston 32 to take the second baffle disc 33 to not extrude the switch 26 to switch on a working power supply of the electric bell 24, false alarm is avoided, and the alarm accuracy is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A heat preservation method for stainless steel hot continuous rolling billets is characterized by comprising the following steps:
s1: the motor in the stainless steel hot continuous rolling production equipment is electrically connected with an external power supply, and the motor drives the roller to move the target steel;
s2: opening an inlet and an outlet of the stainless steel hot continuous rolling production equipment in the S1, so that the target steel can pass through conveniently;
s3: when the heat of the target steel is low in S2, the internal pressure of the shell in the stainless steel hot continuous rolling production equipment is reduced, the second baffle disc (33) moves to press the switch, the switch is turned on, the electric bell gives an alarm to warn a worker, and the worker operates to ensure that the stainless steel hot continuous rolling production equipment works normally;
the stainless steel hot continuous rolling production equipment comprises a power mechanism (1), a heating mechanism (2), a heat preservation mechanism (3) and an alarm mechanism (4), wherein the rear end of the alarm mechanism (4) is movably arranged on the inner wall of the rear part of the power mechanism (1), the front end of the alarm mechanism (4) is movably arranged on the inner wall of the front part of the power mechanism (1), the lower end of the heating mechanism (2) is fixedly connected to the upper end of the side part of the power mechanism (1), and the outer wall of the middle part of the heat preservation mechanism (3) is rotatably arranged at the upper end of the heating mechanism (2);
the power mechanism (1) comprises a rack (5), rollers (8), a motor (9), a driving gear (10) and a driven gear (11), wherein the rollers (8) are uniformly rotatably mounted on the inner wall of the rack (5), the outer wall of the motor (9) is fixedly connected to the lower end of the rack (5), the rear end of the driving gear (10) is fixedly connected to the front end of the motor (9), the rear end of the driven gear (11) is fixedly connected to the front end of the rollers (8), the rollers (8) penetrate through the rack (5), and the lower end of the driven gear (11) is meshed with the upper end of the driving gear (10);
the power mechanism (1) further comprises a stop block (6), a sliding groove (7) and a groove (12), the sliding groove (7) is formed in the upper end of the rear portion of the rack (5), the stop block (6) covers the upper end of the sliding groove (7), the rack (5) is fixedly connected with the sliding groove (7), and the groove (12) is formed in the upper end of the front portion of the rack (5);
the heating mechanism (2) comprises a gear (13), a heater (14) and a rotary rheostat (17), the inner wall of the gear (13) is fixedly installed at one end of the rotary rheostat (17), the lower end of the rotary rheostat (17) is fixedly connected to the upper end of the heater (14), the lower end of the heater (14) is fixedly connected to the upper end of the rack (5), and the heater (14) and the rotary rheostat (17) are electrically connected in series with an external power supply;
the heating mechanism (2) further comprises a rotary hole (15), and the rotary hole (15) penetrates through the heater (14);
the heat preservation mechanism (3) comprises a first cover plate (18), a first rotating shaft (19), a pulley (21), a rope (22) and a second cover plate (23), wherein the side wall of the first cover plate (18) is fixedly connected to one end of the first rotating shaft (19), the outer wall of the other end of the first rotating shaft (19) is fixedly connected to the inner wall of the second cover plate (23), a supporting column is rotatably mounted at one end of the pulley (21), the lower end of the supporting column is fixedly connected to the middle of the upper end of the rack (5), one end of the rope (22) is fixedly connected to the upper portion of the side end of the first rotating shaft (19), the middle of the rope (22) is rotatably supported on the upper wall of the pulley (21), and the outer wall of the middle of the first rotating shaft (19) is inserted into the inner wall of the rotating hole (15;
the gear ring on the second cover plate (23) is meshed and arranged at the lower end of the gear (13).
2. The method for preserving heat of a stainless steel hot continuous rolled steel slab as claimed in claim 1, wherein: alarm mechanism (4) are including electric bell (24), switch (26), second pivot (28), casing (30), piston (32) and second fender dish (33), switch (26) fixed connection is at the lateral wall of electric bell (24), second pivot (28) rotate to be connected in the rear end of casing (30), the inner wall of second pivot (28) activity joint at spout (7), piston (32) sealed slidable mounting is at the inner wall of casing (30), second fender dish (33) fixed connection is at the front end of piston (32).
3. The method for preserving heat of a stainless steel hot continuous rolled steel slab as claimed in claim 2, wherein: alarm mechanism (4) still include branch (25), first fender dish (27), slider (29) and air cock (31), branch (25) and electric bell (24) fixed connection, first fender dish (27) fixed connection is in piston (32) rear end, slider (29) fixed connection is in the rear end of second pivot (28), slider (29) slidable mounting is at the inner wall of spout (7), air cock (31) fixed connection is at the anterior outer wall of casing (30), and casing (30) link up with the inner space of air cock (31) and link to each other, casing (30) deviate from the anterior outer wall rotation of air cock (31) and install the inner wall in recess (12), switch (26) fixed connection is at the preceding terminal surface of branch (25).
4. The method for preserving heat of a stainless steel hot continuous rolled steel slab as claimed in claim 3, wherein: the electric bell (24) and the switch (26) are electrically connected with an external power supply, and the rear end of the sliding block (29) is fixedly connected with the lower end of the rope (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606737.0A CN110314932B (en) | 2019-07-06 | 2019-07-06 | Stainless steel hot continuous rolling billet heat preservation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606737.0A CN110314932B (en) | 2019-07-06 | 2019-07-06 | Stainless steel hot continuous rolling billet heat preservation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110314932A CN110314932A (en) | 2019-10-11 |
| CN110314932B true CN110314932B (en) | 2020-09-29 |
Family
ID=68122944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910606737.0A Active CN110314932B (en) | 2019-07-06 | 2019-07-06 | Stainless steel hot continuous rolling billet heat preservation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110314932B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437089A (en) * | 1991-04-17 | 1995-08-01 | Magnitogorsky Metallurgichesky Kombinat Imeni V.I. Lenina | Method and apparatus for continuous production hot-rolled strips |
| CN201424489Y (en) * | 2009-03-25 | 2010-03-17 | 宝山钢铁股份有限公司 | Non-oxidation roller bottom type continuous annealing furnace door |
| CN104515393A (en) * | 2013-09-27 | 2015-04-15 | 江苏恒力炉业有限公司 | Atmosphere passing cover type mobile trolley furnace |
| CN206104878U (en) * | 2016-08-29 | 2017-04-19 | 河源富马硬质合金股份有限公司 | Sintering heat preservation device |
| CN208443182U (en) * | 2018-07-06 | 2019-01-29 | 佛山市麦欧金属有限公司 | A kind of high performance alloys smelting furnace automatic temp controller |
-
2019
- 2019-07-06 CN CN201910606737.0A patent/CN110314932B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5437089A (en) * | 1991-04-17 | 1995-08-01 | Magnitogorsky Metallurgichesky Kombinat Imeni V.I. Lenina | Method and apparatus for continuous production hot-rolled strips |
| CN201424489Y (en) * | 2009-03-25 | 2010-03-17 | 宝山钢铁股份有限公司 | Non-oxidation roller bottom type continuous annealing furnace door |
| CN104515393A (en) * | 2013-09-27 | 2015-04-15 | 江苏恒力炉业有限公司 | Atmosphere passing cover type mobile trolley furnace |
| CN206104878U (en) * | 2016-08-29 | 2017-04-19 | 河源富马硬质合金股份有限公司 | Sintering heat preservation device |
| CN208443182U (en) * | 2018-07-06 | 2019-01-29 | 佛山市麦欧金属有限公司 | A kind of high performance alloys smelting furnace automatic temp controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110314932A (en) | 2019-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110314932B (en) | Stainless steel hot continuous rolling billet heat preservation method | |
| CN107866544A (en) | A kind of casting device | |
| CN112474803A (en) | Production line and production method for high-precision continuous batch production of thin copper alloy plates | |
| CN208440671U (en) | Annealing device | |
| CN105772678A (en) | Magnesium and magnesium alloy quantitative casting furnace | |
| CN110243179A (en) | Charging system on a kind of vaccum sensitive stove | |
| CN217839062U (en) | Rotary heat treatment device for surface of die steel | |
| CN108588362A (en) | Annealing device | |
| CN211161860U (en) | Molten metal quantifying mechanism of melting furnace | |
| CN209632089U (en) | A kind of centrifugal rotation casting machine of infrared temperature detection | |
| CN203556825U (en) | Vacuum rapid hardening crystallization furnace | |
| CN110238197B (en) | Cold continuous rolling production method for aluminum alloy material | |
| CN107900299A (en) | A kind of copper pipe continuous casting apparatus | |
| CN112921253A (en) | Trolley type aluminum alloy aging furnace | |
| CN117554157B (en) | Preparation device and preparation method of quality control sample of gold chemical analysis method | |
| CN215593128U (en) | Immersion quenching device for high-frequency oil cooling quenching | |
| CN220907555U (en) | Improved aluminium profile aging furnace | |
| CN220503117U (en) | Heat treatment processing device for hot work die steel | |
| CN209124857U (en) | A kind of galvanized wire molding machine | |
| CN215284165U (en) | Billet number counting device | |
| CN221209390U (en) | Ingot feeding grabbing mechanism of hot rolling mill for metallurgy | |
| CN211668262U (en) | Sintering furnace for processing sintered flux | |
| CN220366690U (en) | Nitriding alloy vacuum nitriding furnace | |
| CN219233944U (en) | Casting device is used in production of high temperature mould steel | |
| CN216753501U (en) | Feed cooling device with double refrigeration structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200805 Address after: 242000 No.73 caoduqiao, Linxi Town, Jixi County, Xuancheng City, Anhui Province Applicant after: ANHUI FUKAI SPECIAL MATERIALS Co.,Ltd. Address before: 518000 Third Floor of Pioneer Park Area A, 1199 Liuxian Avenue, Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: Li Zaoshu |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240102 Address after: 317000 Beiyang, Shangpan Town, Linhai City, Taizhou City, Zhejiang Province Patentee after: Zhejiang Yongli Steel Co.,Ltd. Address before: 242000 No.73, caoduqiao, Linxi Town, Jixi County, Xuancheng City, Anhui Province Patentee before: ANHUI FUKAI SPECIAL MATERIALS CO.,LTD. |