CN108823374A - A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line - Google Patents
A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line Download PDFInfo
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- CN108823374A CN108823374A CN201811093091.2A CN201811093091A CN108823374A CN 108823374 A CN108823374 A CN 108823374A CN 201811093091 A CN201811093091 A CN 201811093091A CN 108823374 A CN108823374 A CN 108823374A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/52—Methods of heating with flames
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/76—Adjusting the composition of the atmosphere
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production lines, including loading bay, feed vacuum chamber, preheating chamber, heat room, isothermal chamber, slow cooling room, discharge vacuum chamber and discharging platform, it is primarily adapted for use in mild steel, low-alloy steel, the wire rods such as bearing steel, disk member, bar, steel pipe, the spheroidizing of forging and casting, soft annealing, full annealing, destressing, normalization, the heat treatment process such as carbon restoration, it is automatically controlled by computer and PLC program, so that each equipment room linking is close, realize the continuity of charging, package unit good airproof performance simultaneously, energy consumption is low, it is highly-safe, realize the intelligence and automation of production, improve production efficiency and product quality.
Description
Technical field
The present invention relates to a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production lines.
Background technique
Annealing furnace is mainly used for the ball of the wire rods such as mild steel, low-alloy steel, bearing steel, disk member, bar, steel pipe, forging and casting
The heat treatment process such as annealing, soft annealing, full annealing, destressing, normalization, carbon restoration；Existing annealing furnace is generally whole
Body structure causes when to heat treatment of workpieces, produces between each technique without specific quarantine measures between each treatment process
Certain interference affects normal production and carries out；Simultaneously because entire furnace interior space is larger, needed when being heat-treated
More energy are wanted to maintain the temperature of furnace interior, causes the loss of the energy to increase, increases production cost；When workpiece needs
When cooling, since the temperature of furnace interior is higher, cause workpiece cooling slower, prevent workpiece affects life from quick tapping
Produce efficiency；Simultaneously because furnace space is larger, so that sealing is more difficult, lead to poor sealing, oxygen is easily accessible furnace body
Inside so that frequently resulting in workpiece decarburization when being heat-treated to workpiece；Equipment overall volume is larger simultaneously, occupied space
It is more, higher cost；Existing annealing furnace can only meet the heat treatment requirements of the same process of workpiece of the same race, effect every time simultaneously
It is more single, be not suitable for required for development now.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of easy to operate, stable structure, good airproof performance, overall volumes
Small, occupied space is few, and oxygen is difficult to enter the inside of burner hearth during production, can effectively prevent workpiece from occurring aoxidizing and take off
Carbon reduces the loss of heat by using cold-heat exchange system, realizes the reasonable utilization of resource, reduces production cost,
The discharge for reducing exhaust gas is automatically controlled by computer and PLC program, realizes automation, the intelligence of production, mention significantly
High production efficiency, handled workpiece is high-quality, and practical, usability is extensive, the protection with security reliability effect
Atmosphere short cycle roller-hearth continuous annealing furnace production line.
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line, including loading bay, charging vacuum chamber, preheating
Room, heating room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform, the loading bay, charging vacuum chamber, preheating chamber, heating
Room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform inside be designed with carrying roller, it is the loading bay, charging vacuum chamber, pre-
Hot cell, heating room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform all connect with computer and pass through PLC program and control automatically
The bottom of system, the loading bay is equipped with loading bay driving motor, and loading bay driving motor connect with carrying roller and carrying roller is driven to rotate,
The ease up inside of cold house of the heating room, isothermal chamber is designed with radiation heating tube, and the loading bay is equipped with optoelectronic switch G1, into
Expect that the inside of vacuum chamber is equipped with optoelectronic switch G2, the inside of preheating chamber is equipped with optoelectronic switch G3, and the inside for heating room is equipped with photoelectricity
Switch G4, the inside of isothermal chamber are equipped with optoelectronic switch G5, and the inside of slow cooling room is equipped with optoelectronic switch G6, the inside for the vacuum chamber that discharges
Equipped with optoelectronic switch G7, discharging platform is equipped with optoelectronic switch G8, and the optoelectronic switch is connect with computer.
The charging vacuum chamber is connect with loading bay, is fed and is equipped with the first charging Vacuum door between vacuum chamber and loading bay,
The lower end of first charging Vacuum door is equipped with first motor, and the first charging Vacuum door is moved up and down by first motor, the charging
The other end of vacuum chamber is equipped with the second charging Vacuum door, and the lower end of the second charging Vacuum door is equipped with the second motor and by the second electricity
Machine moves up and down, and the charging vacuum chamber is equipped with vacuum pump and nitrogen input equipment, and the side of the charging vacuum chamber is equipped with
Vacuum chamber driving motor is fed, charging vacuum chamber driving motor connect with carrying roller and carrying roller is driven to rotate.
The preheating chamber is connect with charging vacuum chamber, and the lower end of preheating chamber is equipped with preheating chamber driving motor one and preheating chamber passes
Dynamic motor two, preheating chamber driving motor one and preheating chamber driving motor two connect with carrying roller and carrying roller are driven to rotate, the preheating
One end that room is connect with charging vacuum chamber is equipped with the first hermatic door, and the upper end of the first hermatic door is equipped with third motor and passes through third
Motor moves up and down.
The heating room is connect with preheating chamber, and one end that heating room is connect with preheating chamber is equipped with the second hermatic door, and second is close
The lower end of closure door is equipped with the 4th motor and is moved up and down by the 4th motor, and the bottom of the heating room is equipped with heating room transmission electricity
Machine one and heating room driving motor two, heat room driving motor one and heating room driving motor two connect with carrying roller and drives carrying roller
The inside of rotation, the heating room is equipped with the first enriched gas input equipment, the first nitrogen input equipment, the first photoelectric tube and first
Oxygen detection sensor.
The isothermal chamber is connect with heating room, and the junction of isothermal chamber and heating room is equipped with third hermatic door, third sealing
The lower end of door is equipped with the 5th motor and is moved up and down by the 5th motor, and the bottom of the isothermal chamber is equipped with isothermal chamber driving motor
One and isothermal chamber driving motor two, isothermal chamber driving motor one and isothermal chamber driving motor two connect with carrying roller and carrying roller driven to revolve
Turn, the inside of the isothermal chamber is equipped with the second enriched gas input equipment, the second nitrogen input equipment, the second photoelectric tube and the second oxygen
Gas detection sensor.
The slow cooling room is connect with isothermal chamber, and the junction of slow cooling room and isothermal chamber is equipped with the 4th hermatic door, the 4th sealing
The lower end of door is equipped with the 6th motor and is moved up and down by the 6th motor, and the bottom of the slow cooling room is equipped with slow cooling room driving motor
One gentle cold house's driving motor two, the cold house's driving motor two that eases up of slow cooling room driving motor one connect with carrying roller and carrying roller are driven to revolve
Turn, the inside of slow cooling room is equipped with third photoelectric tube and third nitrogen input equipment, and it is close that the other end of the slow cooling room is equipped with the 5th
Closure door, the upper end of the 5th hermatic door are equipped with the 7th motor and are moved up and down by the 7th motor.
The discharging vacuum chamber is connect with slow cooling room, and discharging vacuum chamber and slow cooling room junction are equipped with the first discharging vacuum
The lower end of door, the first discharging Vacuum door is equipped with the 8th motor and is moved up and down by the 8th motor, the another of vacuum chamber that discharge
One end is equipped with the second discharging Vacuum door, and the lower end of the second discharging Vacuum door is equipped with the 9th motor and by moving down on the 9th motor
Dynamic, the side of the discharging vacuum chamber is equipped with discharging vacuum chamber driving motor, and discharging vacuum chamber driving motor is connect simultaneously with carrying roller
Carrying roller rotation is driven, the bottom and outside of the discharging vacuum chamber are equipped with water(-cooling) jacket, and the side of the discharging vacuum chamber is equipped with
One vacuum pump.
The discharging platform is connect with discharging vacuum chamber, and the bottom of discharging platform is equipped with discharging driving motor, and discharge driving motor
It is connect with carrying roller and carrying roller is driven to rotate.
The bottom of the preheating chamber is equipped with the first centrifugal blower, and the bottom of slow cooling room is equipped with the second centrifugal blower, first from
It is connected between heart blower and the second centrifugal blower by pipeline.
The heating room and the upper end of isothermal chamber are fitted with stirring blower.
The present invention improves with the above arrangement, realize equipment continuous feed, and the phenomenon that each process flow is not interfere with each other
Production efficiency；By installing gas fired radiant tubes in the inside in heating room and isothermal chamber, so that inside heating room and isothermal chamber
Warmly taking quickly to improve, and reach the standard of heat treatment of workpieces, improve work efficiency；Simultaneously by true in loading bay, charging
Optoelectronic switch is installed in empty room, preheating chamber, heating room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform, enables PLC
The position for detecting workpiece operation, convenient for being heat-treated to workpiece, while can prevent workpiece from colliding, convenient for workpiece
Processing management is carried out, the automation and intelligence of production are realized；Simultaneously by increasing radiation heating tube, enable annealing furnace
The heat treatment requirements for enough meeting different workpieces different process while carrying out, expand the scope of application of annealing furnace, have practicability.
The charging vacuum chamber is connect with loading bay, is fed and is equipped with the first charging Vacuum door between vacuum chamber and loading bay,
The lower end of first charging Vacuum door is equipped with first motor, and the first charging Vacuum door is moved up and down by first motor, the charging
The other end of vacuum chamber is equipped with the second charging Vacuum door, and the lower end of the second charging Vacuum door is equipped with the second motor and by the second electricity
Machine moves up and down, and the charging vacuum chamber is equipped with vacuum pump and nitrogen input equipment, and the side of the charging vacuum chamber is equipped with
Vacuum chamber driving motor is fed, charging vacuum chamber driving motor connect with carrying roller and carrying roller is driven to rotate.
The setting so that charging vacuum chamber have good leakproofness, while can by feed internal vacuum chamber heat and
When discharge, then by nitrogen pour into charging vacuum chamber inside, prevent oxygen from entering, guarantee charging internal vacuum chamber air not
It containing oxygen or can only contain a small amount of oxygen, prevent workpiece from occurring aoxidizing and leading to decarburization when heating, have practical
Property.
The preheating chamber is connect with charging vacuum chamber, and the lower end of preheating chamber is equipped with preheating chamber driving motor one and preheating chamber passes
Dynamic motor two, preheating chamber driving motor one and preheating chamber driving motor two connect with carrying roller and carrying roller are driven to rotate, the preheating
One end that room is connect with charging vacuum chamber is equipped with the first hermatic door, and the upper end of the first hermatic door is equipped with third motor and passes through third
Motor moves up and down.
The setting generates vapor by preheating and preheating chamber is discharged, prevent so that the moist cold burden entered by charging vacuum chamber
Only workpiece generates a large amount of oxygen during heating, prevents workpiece from decarburization occur, while it is good that preheating chamber is had
Leakproofness, air are difficult to enter the inside of preheating chamber, ensure that being normally carried out for production.
The heating room is connect with preheating chamber, and one end that heating room is connect with preheating chamber is equipped with the second hermatic door, and second is close
The lower end of closure door is equipped with the 4th motor and is moved up and down by the 4th motor, and the bottom of the heating room is equipped with heating room transmission electricity
Machine one and heating room driving motor two, heat room driving motor one and heating room driving motor two connect with carrying roller and drives carrying roller
The inside of rotation, the heating room is equipped with the first enriched gas input equipment, the first nitrogen input equipment, the first photoelectric tube and first
Oxygen detection sensor.
The setting enables the temperature of workpiece quickly to increase, and reaches the requirement of heat treatment, while heating room is had
Good leakproofness generates active atoms of carbon by enriched gas pyrolytic, increases the carbon potential inside isothermal chamber, by protecting gas
Gas discharge of itching inside isothermal chamber is prevented workpiece from decarburization occur, has practicability by atmosphere.
The isothermal chamber is connect with heating room, and the junction of isothermal chamber and heating room is equipped with third hermatic door, third sealing
The lower end of door is equipped with the 5th motor and is moved up and down by the 5th motor, and the bottom of the isothermal chamber is equipped with isothermal chamber driving motor
One and isothermal chamber driving motor two, isothermal chamber driving motor one and isothermal chamber driving motor two connect with carrying roller and carrying roller driven to revolve
Turn, the inside of the isothermal chamber is equipped with the second enriched gas input equipment, the second nitrogen input equipment, the second photoelectric tube and the second oxygen
Gas detection sensor.
So that isothermal chamber has leakproofness, oxygen will not enter the inside of isothermal chamber, pass through enriched gas high temperature point for the setting
Solution generates active atoms of carbon, increases the carbon potential inside isothermal chamber, excludes the flue gas inside isothermal chamber by protective atmosphere, prevents
There is decarburization in workpiece, has practicability, while the temperature of workpiece can be maintained in certain range, so that heat treatment of workpieces is imitated
Fruit is more preferable.
The slow cooling room is connect with isothermal chamber, and the junction of slow cooling room and isothermal chamber is equipped with the 4th hermatic door, the 4th sealing
The lower end of door is equipped with the 6th motor and is moved up and down by the 6th motor, and the bottom of the slow cooling room is equipped with slow cooling room driving motor
One gentle cold house's driving motor two, the cold house's driving motor two that eases up of slow cooling room driving motor one connect with carrying roller and carrying roller are driven to revolve
Turn, the inside of slow cooling room is equipped with third photoelectric tube and third nitrogen input equipment, and it is close that the other end of the slow cooling room is equipped with the 5th
Closure door, the upper end of the 5th hermatic door are equipped with the 7th motor and are moved up and down by the 7th motor.
The setting enables the workpiece after isothermal process to slowly cool to certain temperature range, so that workpiece is cold
But uniformly, be not in cooling suddenly and lead to the phenomenon that deforming, be conducive to the quality for improving workpiece.
The discharging vacuum chamber is connect with slow cooling room, and discharging vacuum chamber and slow cooling room junction are equipped with the first discharging vacuum
The lower end of door, the first discharging Vacuum door is equipped with the 8th motor and is moved up and down by the 8th motor, the another of vacuum chamber that discharge
One end is equipped with the second discharging Vacuum door, and the lower end of the second discharging Vacuum door is equipped with the 9th motor and by moving down on the 9th motor
Dynamic, the side of the discharging vacuum chamber is equipped with discharging vacuum chamber driving motor, and discharging vacuum chamber driving motor is connect simultaneously with carrying roller
Carrying roller rotation is driven, the bottom and outside of the discharging vacuum chamber are equipped with water(-cooling) jacket, and the side of the discharging vacuum chamber is equipped with
One vacuum pump.
The setting prevents workpiece from going out so that the inside of discharging vacuum chamber remains the state of an anaerobic or a small amount of oxygen
Existing decarburization, while enabling the workpiece fast cooling of high temperature, and temperature is cooled within a certain range, prevent the mistake of discharging
Worker is scalded in journey, is improved work efficiency.
The discharging platform is connect with discharging vacuum chamber, and the bottom of discharging platform is equipped with discharging driving motor, and discharge driving motor
It is connect with carrying roller and carrying roller is driven to rotate.
The setting is moved in discharging platform convenient for workpiece, while workpiece on the move is not in safety the phenomenon that falling
Property greatly improves.
The bottom of the preheating chamber is equipped with the first centrifugal blower, and the bottom of slow cooling room is equipped with the second centrifugal blower, first from
It is connected between heart blower and the second centrifugal blower by pipeline.
The hot wind that the setting enables the cold wind inside preheating chamber to ease up inside cold house completes cold and hot exchange, is conducive to save
About heat source reduces production cost.
The heating room and the upper end of isothermal chamber are fitted with stirring blower.
The circulation of the atmosphere, enriched gas, nitrogen inside heating room and isothermal chamber is accelerated in the setting so that internal temperature and
Atmosphere is more uniform, so that workpiece is heated evenly, improves the quality of workpiece.
The beneficial effects of the invention are as follows：Easy to operate, stable structure, good airproof performance, overall volume is small, and occupied space is few,
Oxygen is difficult to enter the inside of burner hearth during production, can effectively prevent workpiece from occurring aoxidizing and decarburization, by using cold
Heat-exchange system reduces the loss of heat, realizes the reasonable utilization of resource, reduces production cost, reduce exhaust gas
Discharge is automatically controlled by computer and PLC program, realizes automation, the intelligence of production, and production effect is substantially increased
Rate, handled workpiece is high-quality, and practical, usability is extensive, and the short cycle roller bottom with security reliability effect is continuous
Formula annealing furnace STC.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art for more Chu, it below will be to embodiment or existing
Attached drawing needed in technical description is briefly described, but is not limiting the scope of the invention.
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is schematic top plan view of the invention；
Fig. 3 is loading bay structural schematic diagram of the present invention；
Fig. 4 is present invention charging vacuum chamber structure schematic diagram；
Fig. 5 is preheating chamber structural schematic diagram of the present invention；
Fig. 6 is heating chamber structure schematic diagram of the present invention；
Fig. 7 is isothermal chamber structural schematic diagram of the present invention；
Fig. 8 is slow cooling cell structure schematic diagram of the present invention；
Fig. 9 is present invention discharging vacuum chamber structure schematic diagram；
Figure 10 is discharging platform structural schematic diagram of the present invention；
Wherein, 1. loading bay, 2. charging vacuum chambers, 3. preheating chambers, 4. heating rooms, 5. isothermal chambers, 6. slow cooling rooms, 7. dischargings
Vacuum chamber, 8. discharging platforms, 9. loading bay transport motors, 10. first charging Vacuum doors, 11. first motors, 12. second chargings are true
Buddhism, 13. second motors, 14. first hermatic doors, 15. third motors, 16. first centrifugal blowers, 17. preheating chamber driving motors
One, 18. preheating chamber driving motors two, 19. second hermatic doors, 20. first enriched gas input equipments, 21. first nitrogen input set
It is standby, 22. first photoelectric tubes, 23. heating room driving motors one, 24. stirring blowers, 25. heating room driving motors two, 26. thirds
Hermatic door, 27. first oxygen detection devices, 28. second enriched gas input equipments, 29. second nitrogen input equipments, 30. points of temperature
Room driving motor one, 31. second photoelectric tubes, 32. the 4th hermatic doors, 33. isothermal chamber driving motors two, 34. second centrifugal blowers,
35. third photoelectric tube, 36. third nitrogen input equipments, 37. slow cooling room driving motors one, 38. the 5th hermatic doors, 39. the 7th electricity
Machine, 40. slow cooling room driving motors two, 41. first discharging Vacuum doors, 42. the 8th motors, 43. the 9th motors, 44. second dischargings
Vacuum door, 45. carrying rollers, 46. discharge rack driving motors, 47. pipelines, 48. radiation heating tubes, 49. second oxygen sensors, 50.
Vacuum pump, 51. the 4th motors, 52. the 5th motors, 53. the 6th motors, 54. discharging vacuum chamber driving motors, 55. charging vacuum
Room driving motor.
Specific embodiment
A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line referring to FIG. 1 to 10, including charging
Platform 1, charging vacuum chamber 2, preheating chamber 3, heating room 4, isothermal chamber 5, slow cooling room 6, discharging vacuum chamber 7 and discharging platform 8, the charging
Platform 1, preheating chamber 3, heats the inside of room 4, isothermal chamber 5, slow cooling room 6, discharging vacuum chamber 7 and discharging platform 8 all at charging vacuum chamber 2
Equipped with carrying roller 45, the loading bay 1, charging vacuum chamber 2, preheating chamber 3, heating room 4, isothermal chamber 5, slow cooling room 6, discharging vacuum chamber
7 and discharging platform 8 all connect with computer and automatically controlled by PLC program, the bottom of the loading bay 1 is equipped with loading bay transmission
Motor 9, loading bay driving motor 9 connect with carrying roller 45 and carrying roller 45 are driven to rotate, and ease up cold house for the heating room 4, isothermal chamber 5
6 inside is designed with radiation heating tube 48, and the loading bay 1 is equipped with optoelectronic switch G1, and the inside of charging vacuum chamber 2 is equipped with light
Electric switch G2, the inside of preheating chamber 3 are equipped with optoelectronic switch G3, and the inside of heating room 4 is equipped with optoelectronic switch G4, isothermal chamber 5 it is interior
Portion is equipped with optoelectronic switch G5, and the inside of slow cooling room 6 is equipped with optoelectronic switch G6, and the inside of discharging vacuum chamber 7 is equipped with optoelectronic switch G7,
Discharging platform 8 is equipped with optoelectronic switch G8, and the optoelectronic switch is connect with computer.The charging vacuum chamber 2 connects with loading bay 1
It connects, feeds and be equipped with the first charging Vacuum door 10 between vacuum chamber 2 and loading bay 1, the lower end of the first charging Vacuum door 10 is equipped with the
One motor 11, the first charging Vacuum door 10 are moved up and down by first motor 11, and the other end of the charging vacuum chamber 2 is equipped with the
The lower end of two charging Vacuum doors 12, the second charging Vacuum door 12 is equipped with the second motor 13 and is moved up and down by the second motor 13,
The charging vacuum chamber 2 is equipped with vacuum pump 50 and nitrogen input equipment (not shown), and the side of the charging vacuum chamber 2 is equipped with
Vacuum chamber driving motor 55 is fed, charging vacuum chamber driving motor 55 connect with carrying roller 45 and carrying roller 45 is driven to rotate.It is described pre-
Hot cell 3 is connect with charging vacuum chamber 2, and the lower end of preheating chamber 3 is equipped with preheating chamber driving motor 1 and preheating chamber driving motor two
18, preheating chamber driving motor 1 and preheating chamber driving motor 2 18 connect with carrying roller 45 and carrying roller 45 are driven to rotate, described pre-
One end that hot cell 3 is connect with charging vacuum chamber 2 is equipped with the first hermatic door 14, and the upper end of the first hermatic door 14 is equipped with third motor 15
And it is moved up and down by third motor 15.The heating room 4 is connect with preheating chamber 3, one end that heating room 4 is connect with preheating chamber 3
Equipped with the second hermatic door 19, the lower end of the second hermatic door 19 is equipped with the 4th motor 51 and is moved up and down by the 4th motor 51, institute
The bottom for stating heating room 4 is equipped with heating room driving motor 1 and heating room driving motor 2 25, heats room driving motor 1
It is connect with heating room driving motor 2 25 with carrying roller 45 and carrying roller 45 is driven to rotate, it is rich that the inside of the heating room 4 is equipped with first
Change gas input equipment 20, the first nitrogen input equipment 21, the first photoelectric tube 22 and the first oxygen detection sensor 27.The isothermal
Room 5 is connect with heating room 4, and the junction of isothermal chamber 5 and heating room 4 is equipped with third hermatic door 26, the lower end of third hermatic door 26
It is moved up and down equipped with the 5th motor 52 and by the 5th motor 52, the bottom of the isothermal chamber 5 is equipped with isothermal chamber driving motor one
30 and isothermal chamber driving motor 2 33, isothermal chamber driving motor 1 and isothermal chamber driving motor 2 33 connect with carrying roller 45 and band
Dynamic carrying roller 45 rotates, and the inside of the isothermal chamber 5 is equipped with the second enriched gas input equipment 28, the second nitrogen input equipment 29, the
Two photoelectric tubes 31 and the second oxygen detection sensor 49.The slow cooling room 6 is connect with isothermal chamber 5, slow cooling room 6 and isothermal chamber 5
Junction is equipped with the 4th hermatic door 32, and the lower end of the 4th hermatic door 32 is equipped with the 6th motor 53 and by moving down on the 6th motor 53
Dynamic, the bottom of the slow cooling room 6 is equipped with the gentle cold house's driving motor 2 40 of slow cooling room driving motor 1, slow cooling room driving motor
One 37 gentle cold house's driving motors 2 40 connect with carrying roller 45 and carrying roller 45 are driven to rotate, and the inside of slow cooling room 6 is equipped with third light
The other end of fulgurite 35 and third nitrogen input equipment 36, the slow cooling room 6 is equipped with the 5th hermatic door 38, the 5th hermatic door 38
Upper end is equipped with the 7th motor 39 and is moved up and down by the 7th motor 39.The discharging vacuum chamber 7 is connect with slow cooling room 6, discharging
Vacuum chamber 7 and 6 junction of slow cooling room are equipped with the first discharging Vacuum door 41, and the lower end of the first discharging Vacuum door 41 is equipped with the 8th motor
It 42 and is moved up and down by the 8th motor 42, the other end of the discharging vacuum chamber 7 is equipped with the second discharging Vacuum door 44, and second goes out
The lower end of material Vacuum door 44 is equipped with the 9th motor 43 and is moved up and down by the 9th motor 43, the side of the discharging vacuum chamber 7
Equipped with discharging vacuum chamber driving motor 54, discharging vacuum chamber driving motor 54 connect with carrying roller 45 and carrying roller 45 is driven to rotate, institute
The bottom and outside for stating discharging vacuum chamber 7 are equipped with water(-cooling) jacket (not shown), and the side of the discharging vacuum chamber 7 is equipped with one very
Sky pump (not shown).The discharging platform 8 is connect with discharging vacuum chamber 7, and the bottom of discharging platform 8 is equipped with discharging driving motor 46, out
Material driving motor 46 connect with carrying roller 45 and carrying roller 45 is driven to rotate.The bottom of the preheating chamber 3 is equipped with the first centrifugal blower 16,
The bottom of slow cooling room 6 is equipped with the second centrifugal blower 34, passes through pipeline 47 between the first centrifugal blower 16 and the second centrifugal blower 34
Connection.The heating room 4 and the upper end of isothermal chamber 5 are fitted with stirring blower 24.
The present invention in use, workpiece is hung in loading bay by worker, when manual confirmation in place after, press loading bay starting by
Button, workpiece are transmitted to G1 optoelectronic switch position by loading bay driving motor, and loading bay driving motor stops working, when PLC is examined
When measuring the position G1 has workpiece, the first charging door for vacuum chamber is opened, and loading bay driving motor and charging vacuum chamber driving motor are opened
Beginning work, by the incoming charging vacuum chamber of workpiece on loading bay, when workpiece reaches the charging position vacuum chamber G2, loading bay is passed
Dynamic motor and charging vacuum chamber driving motor stop working, and the first charging door for vacuum chamber is closed；Vacuum pump starts to vacuumize simultaneously
The oxygen of charging internal vacuum chamber is extracted in work, when the oxygen value of charging internal vacuum chamber reaches a timing, the nitrogen in nitrogen gas tank
Gas is filled with charging vacuum chamber, and when the charging indoor pressure of vacuum reaches the atmospheric pressure upper limit, charging nitrogen valve is closed；At this time second
It feeds Vacuum door and the first hermatic door is opened, preheating chamber driving motor and charging vacuum chamber driving motor are started to work, and workpiece passes
It is sent to preheating chamber, after preheating chamber has optoelectronic switch G3, workpiece to be transmitted to the position G3, preheating chamber driving motor and charging vacuum chamber are passed
Dynamic motor stops working, and the second charging Vacuum door and the first hermatic door are closed, and preheats indoor workpiece and starts to execute pre-heating technique,
Preheating chamber driving motor starts to swing work；After preheating chamber technique, the second hermatic door open, preheating chamber driving motor and plus
Hot cell motor is opened, and workpiece is transmitted to heating room from preheating chamber, and there is transmission location switch G4 in heating room, and workpiece reaches the position G4
Afterwards, the second hermatic door is closed, and workpiece executes heating process in heating room, and heating room driving motor starts to swing work！Heat room
After technique, third hermatic door is opened, and heats room driving motor and isothermal chamber motor is opened, workpiece is transmitted to from heating room
Greenhouse, isothermal chamber is equipped with transmission location switch G5, and after workpiece reaches the position G5, third hermatic door is closed, and workpiece is held in isothermal chamber
Row isothermal process, isothermal chamber driving motor start to swing work！After isothermal chamber technique, the 4th hermatic door is opened, isothermal chamber
The gentle cold house's driving motor of driving motor is opened, and workpiece is transmitted to slow cooling room from isothermal chamber, and slow cooling room is equipped with transmission optoelectronic switch
G6, after workpiece reaches the position G6, the 4th hermatic door is closed, and workpiece executes retarded cooling process in slow cooling room, and slow cooling room driving motor is opened
Begin to swing work；Slow cooling room furnace bottom is equipped with the centrifugal fan with frequency conversion simultaneously, and preheating is connected with outlet pipe by gas outlet
Slow cooling room when workpiece needs cooling when slow cooling room, is badly in need of cooling heat by centrifugal blower and is transferred to preheating chamber, simultaneously by room
Preheating chamber bottom also is provided with centrifugal blower, connects slow cooling room with outlet pipe by gas outlet, the cold wind of preheating chamber is transmitted to
Slow cooling room is opened by preheating centrifugal blower, realizes the heat exchange of the gentle cold house of preheating chamber, energy conservation 20%；When slow cooling room work
After skill, the 5th hermatic door and the first discharging Vacuum door are opened, and slow cooling room driving motor and discharging vacuum chamber driving motor are opened
It opens, workpiece cold house of postponing is transmitted to discharging vacuum chamber, and discharging vacuum chamber is equipped with optoelectronic switch G7, after workpiece reaches the position G7, the
Four hermatic doors and the first discharging Vacuum door are closed, while there are also very big heats for workpiece after retarded cooling process, can pass through discharging
The sealing water-cooled jacket of vacuum chamber lower end cools down to workpiece, prevents from scalding worker during discharging；It is tied when vacuum chamber is cooling
Shu Hou, the second discharging Vacuum door are opened, and discharge vacuum chamber driving motor and discharging platform driving motor are opened, and workpiece is from discharging vacuum
Room is transmitted to discharging platform, and discharging platform is equipped with optoelectronic switch G8, and after workpiece reaches the position G8, the second discharging Vacuum door is closed, simultaneously
The vacuum pump that discharges is opened, and discharging vacuum chamber is switched equipped with detection of negative pressure, and when negative pressure reaches lower limit value, discharging vacuum pump stops,
Discharge nitrogen valve work, the nitrogen in nitrogen gas tank is filled with discharging vacuum chamber, the discharging indoor pressure of vacuum reaches on atmospheric pressure
In limited time, charging nitrogen valve is closed；The entire technique of one workpiece terminates！Equipment can realize continuous feed, be set according to technique beat
Fixed, each technique beat is not interfere with each other！Previous workpiece process is completed to execute next technique, and current process processing is completed to hold
The next technique of row！It automatically begins to heat according to specific heat treatment mode, people's tupe is each by temperature, time and protective atmosphere
A parameter composition.Aforesaid operations are all automatically controlled by computer and PLC program！Production operation is simple, the degree of automation
It is high.
The present invention realizes following effect：
1, the hermetically sealed setting of equipment, front and back are isolated by vacuum chamber, and anaerobic or few oxygen enter burner hearth.
2, it by heat-exchange fan, realizes cold and hot exchange, reduces thermal losses.
3, each technique complete independently, does not interfere with each other；Quality-mechanical performance after guaranteeing processing is up to standard.
4, workpiece is cooling in discharging vacuum chamber water jacket before discharging, and drop temperature is low, and personal safety is protected.
5, apparatus and process, movement are automatically performed, easy to operate, stability is good, realize the automation of production.
6, computer monitor, it is automatic carry out remarkable action detection and show alarm, realize intelligentized management.
7, carbon-potential control, using latest model infrared ray I/R control technology.
8, stringent control gas flow reduces the discharge of exhaust gas, reduces exhaust-gas treatment cost.
9, processed workpiece, is integrally heated evenly, high-quality.
10, production efficiency is improved, reduces equipment to the occupancy in place space, reduces production cost.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be covered by the protection scope of the present invention.Therefore, protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (10)
1. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line, including loading bay, charging vacuum chamber, preheating chamber,
Heat room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform, it is characterised in that：The loading bay, charging vacuum chamber, preheating
Room, the inside for heating room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform are designed with carrying roller, and the loading bay, charging are true
Empty room, preheating chamber, heating room, isothermal chamber, slow cooling room, discharging vacuum chamber and discharging platform all connect with computer and pass through PLC journey
Sequence automatically controls, and the bottom of the loading bay is equipped with loading bay driving motor, and loading bay driving motor connect and drives with carrying roller
Carrying roller rotation, the ease up inside of cold house of the heating room, isothermal chamber are designed with radiation heating tube, and the loading bay is equipped with photoelectricity
Switch G1, the inside for feeding vacuum chamber are equipped with optoelectronic switch G2, and the inside of preheating chamber is equipped with optoelectronic switch G3, heats the inside of room
Equipped with optoelectronic switch G4, the inside of isothermal chamber is equipped with optoelectronic switch G5, and the inside of slow cooling room is equipped with optoelectronic switch G6, and discharge vacuum
The inside of room is equipped with optoelectronic switch G7, and discharging platform is equipped with optoelectronic switch G8, and the optoelectronic switch is connect with computer.
2. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The charging vacuum chamber is connect with loading bay, is fed and is equipped with the first charging Vacuum door, the first charging between vacuum chamber and loading bay
The lower end of Vacuum door is equipped with first motor, and the first charging Vacuum door is moved up and down by first motor, the charging vacuum chamber
The other end is equipped with the second charging Vacuum door, and the lower end of the second charging Vacuum door is equipped with the second motor and by moving down on the second motor
Dynamic, the charging vacuum chamber is equipped with vacuum pump and nitrogen input equipment, and the side of the charging vacuum chamber is equipped with charging vacuum
Room driving motor, charging vacuum chamber driving motor connect with carrying roller and carrying roller are driven to rotate.
3. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The preheating chamber is connect with charging vacuum chamber, and the lower end of preheating chamber is equipped with preheating chamber driving motor one and preheating chamber driving motor
Two, preheating chamber driving motor one and preheating chamber driving motor two connect with carrying roller and carrying roller are driven to rotate, the preheating chamber with into
Expect that one end of vacuum chamber connection is equipped with the first hermatic door, the upper end of the first hermatic door is equipped with third motor and by third motor
Lower movement.
4. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The heating room is connect with preheating chamber, and one end for connecting with preheating chamber of heating room is equipped with the second hermatic door, under the second hermatic door
End is moved up and down equipped with the 4th motor and by the 4th motor, and the bottom of the heating room is equipped with heating room driving motor one and adds
Hot cell driving motor two, heats room driving motor one and heating room driving motor two connect with carrying roller and carrying roller is driven to rotate, institute
The inside for stating heating room is equipped with the first enriched gas input equipment, the first nitrogen input equipment, the first photoelectric tube and the inspection of the first oxygen
Survey sensor.
5. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The isothermal chamber is connect with heating room, and the junction of isothermal chamber and heating room is equipped with third hermatic door, the lower end of third hermatic door
It is moved up and down equipped with the 5th motor and by the 5th motor, the bottom of the isothermal chamber is equipped with isothermal chamber driving motor one and isothermal
Room driving motor two, isothermal chamber driving motor one and isothermal chamber driving motor two connect with carrying roller and carrying roller are driven to rotate, described
The inside of isothermal chamber is equipped with the second enriched gas input equipment, the second nitrogen input equipment, the second photoelectric tube and the second oxygen detection
Sensor.
6. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The slow cooling room is connect with isothermal chamber, and the junction of slow cooling room and isothermal chamber is equipped with the 4th hermatic door, the lower end of the 4th hermatic door
It is moved up and down equipped with the 6th motor and by the 6th motor, the bottom of the slow cooling room is equipped with slow cooling room driving motor one and slow cooling
Room driving motor two, the cold house's driving motor two that eases up of slow cooling room driving motor one connect with carrying roller and carrying roller are driven to rotate, slow cooling
The inside of room is equipped with third photoelectric tube and third nitrogen input equipment, and the other end of the slow cooling room is equipped with the 5th hermatic door, the
The upper end of five hermatic doors is equipped with the 7th motor and is moved up and down by the 7th motor.
7. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The discharging vacuum chamber is connect with slow cooling room, and discharging vacuum chamber and slow cooling room junction are equipped with the first discharging Vacuum door, and first goes out
The lower end of material Vacuum door is equipped with the 8th motor and to be moved up and down by the 8th motor, and the other end of the discharging vacuum chamber is equipped with the
The lower end of two discharging Vacuum doors, the second discharging Vacuum door is equipped with the 9th motor and is moved up and down by the 9th motor, the discharging
The side of vacuum chamber is equipped with discharging vacuum chamber driving motor, and discharging vacuum chamber driving motor connect with carrying roller and carrying roller is driven to revolve
Turn, the bottom and outside of the discharging vacuum chamber are equipped with water(-cooling) jacket, and the side of the discharging vacuum chamber is equipped with a vacuum pump.
8. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The discharging platform is connect with discharging vacuum chamber, and the bottom of discharging platform is equipped with discharging driving motor, and discharging driving motor and carrying roller connect
It connects and carrying roller is driven to rotate.
9. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, it is characterised in that：
The bottom of the preheating chamber is equipped with the first centrifugal blower, and the bottom of slow cooling room is equipped with the second centrifugal blower, the first centrifugal blower and
It is connected between second centrifugal blower by pipeline.
10. a kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line according to claim 1, feature exist
In：The heating room and the upper end of isothermal chamber are fitted with stirring blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093091.2A CN108823374A (en) | 2018-09-19 | 2018-09-19 | A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811093091.2A CN108823374A (en) | 2018-09-19 | 2018-09-19 | A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108823374A true CN108823374A (en) | 2018-11-16 |
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ID=64149399
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811093091.2A Withdrawn CN108823374A (en) | 2018-09-19 | 2018-09-19 | A kind of protective atmosphere short cycle roller-hearth continuous annealing furnace production line |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868436A (en) * | 2019-03-27 | 2019-06-11 | 芜湖云邦铜业有限公司 | A kind of anti-oxidation high-temperature quick treatment process of alternating-current resistance welding wire |
| CN110453058A (en) * | 2019-08-09 | 2019-11-15 | 江苏良川科技发展有限公司 | A kind of amino atmosphere roller stick furnace production system |
| CN112029978A (en) * | 2020-08-11 | 2020-12-04 | 江苏常宝普莱森钢管有限公司 | Proportioning method for controlling oxidation protective atmosphere of inner surface of heat treatment furnace |
| CN114717393A (en) * | 2022-04-22 | 2022-07-08 | 江苏永钢集团有限公司 | Rapid isothermal spheroidizing annealing method for 42CrMoA steel bar |
-
2018
- 2018-09-19 CN CN201811093091.2A patent/CN108823374A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109868436A (en) * | 2019-03-27 | 2019-06-11 | 芜湖云邦铜业有限公司 | A kind of anti-oxidation high-temperature quick treatment process of alternating-current resistance welding wire |
| CN110453058A (en) * | 2019-08-09 | 2019-11-15 | 江苏良川科技发展有限公司 | A kind of amino atmosphere roller stick furnace production system |
| CN112029978A (en) * | 2020-08-11 | 2020-12-04 | 江苏常宝普莱森钢管有限公司 | Proportioning method for controlling oxidation protective atmosphere of inner surface of heat treatment furnace |
| CN114717393A (en) * | 2022-04-22 | 2022-07-08 | 江苏永钢集团有限公司 | Rapid isothermal spheroidizing annealing method for 42CrMoA steel bar |
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Application publication date: 20181116 |
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