CN104673984A - Steel pipe annealing heat treatment method - Google Patents
Steel pipe annealing heat treatment method Download PDFInfo
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- CN104673984A CN104673984A CN201510121847.XA CN201510121847A CN104673984A CN 104673984 A CN104673984 A CN 104673984A CN 201510121847 A CN201510121847 A CN 201510121847A CN 104673984 A CN104673984 A CN 104673984A
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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
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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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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Abstract
The invention discloses a steel pipe annealing heat treatment method, which comprises the following steps: heating a steel pipe to temperature required by solid solution treatment in an electric furnace, taking out the steel pipe, and cooling the steel pipe in a water tank. The method is characterized in that a furnace body of the electric furnace is formed by butting two half furnace bodies along a vertical butting surface, the water tank is arranged below the furnace body, and after the steel pipe is heated, the two half furnace bodies are directly opened to enable the steel pipe to fall into the water tank below the furnace body for cooling. The method has the advantages of convenience in operation, high speed, high efficiency and capability of shortening heat treatment transfer time and improving heat treatment effects, treatment effects are ensured, and the quality of a product is improved.
Description
Technical field
The present invention relates to a kind of steel pipe heat treatment equipment, particularly relate to a kind of steel tube anneal heat treating method.
Background technology
In the process of the cold rolling production of special steel pipe, need often to carry out anneal to the tubing rolled, chill stress during to eliminate cold rolling, successfully to carry out subsequent processing.Flooring electric furnace is adopted during anneal, first pipe fitting is placed on chassis, then open electric furnace door and chassis is pushed electric furnace, then after tubing being heated to the temperature needed for solid solution in electric furnace, oven door opening is pulled out the tubing on chassis, then the tubing be placed on chassis bin and bin are together sling to put in pond and are cooled by employing driving again.
This existing mode, because the gait of march of chassis is too slow, is subject to again the impact of road speed when lifting by crane after coming out of the stove, simultaneously because steel pipe is hollow object, tube wall is thinner, and heat radiation is very fast, enters steel pipe two end portions before water turned black out and away lower than temperature required during solution treatment until steel pipe.Cause above reason to be except a factor except the wall thickness of tubing, the speed entering water during solid solution is also an important factor too slowly.Specifically, from whole heat treatment process, material is after reaching solid solubility temperature, and power-off also opens the fire door of annealing furnace.Start charging chassis immediately after door opened, allow it exit in stove; Chassis arrives solid solution and enters water level postpone, and driving is put down suspension hook lifting tubing and walked to above pond, finally slowly puts down.In fact will suddenly decline in fire door temperature in time opening, when chassis is outwards advanced, temperature continues to reduce, and go to solid solution and enter water level when putting, original tube wall size is just obviously turned black at very little tubing two ends, and middle portion temperature is also obvious reduction.To be sling by material when putting into water wait driving a vehicle, the water temp that enters of part steel pipe has been greatly reduce.(actual process requires, needs Putting into water rapidly process when arriving solid solution temperature.) because material enters the temperature decrease before water, this can affect the final quality of steel pipe in certain degree.
Therefore be necessary again to research and develop and a kind ofly heat-treat for the component faster that dispels the heat such as similar steel pipe, can thermal effectiveness be ensured, the technology of improving the quality of products.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: how to provide a kind of easy to operate, quickness and high efficiency, can shortening heat process transfer time, can improve thermal effectiveness, ensure the steel tube anneal heat treating method of quality product.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
A kind of steel tube anneal heat treating method, it is temperature required to solid solution that the method is first steel pipe to be put into heating by electric cooker, and then taking-up steel pipe is placed in pond and cools; It is characterized in that, adopted by electric furnace body the binding surface docking vertically of two and half bodies of heater to be formed, pond is arranged on below body of heater, after steel pipe heating, directly two and half bodies of heater is opened and steel pipe is fallen to below body of heater cool in pond.
Like this, when annealing thermal treatment, pending steel pipe is put in body of heater, controls body of heater and close, be then heated to solid solubility temperature, control body of heater after power-off to open, then steel pipe can fall to immediately below pond in cool, achieve solution treated technique rapidly, efficiently convenient to operation, improve heat treatment efficiency, ensure that quality product.
As optimization, the heat treatment system that have employed following structure obtains, described heat treatment system, comprise electric furnace and pond, electric furnace comprises body of heater and is arranged at the electric heating device of furnace interior, and described body of heater docks fastening by the left body of heater of appearance cross section semicircular in shape and right body of heater and obtains, in closed at both ends state after body of heater fastens, body of heater is outside equipped with body of heater folding control device, and described pond is just to being arranged at below body of heater, heat treatment system also comprises pay-off, described pay-off, comprise and be laid on ground and one end to extend to below body of heater and is positioned at the pair of guide rails of length direction both sides, pond, also comprise the feeding trolley be equipped with on guide rail by roller, feeding trolley upper center is provided with the overall bracing frame triangular in shape of width, bracing frame upper end is provided with the supporting seat of width entirety in inverted trapezoidal, supporting seat upper surface is arc and laminating carrying arranges a cylindrical circular charge basket of entirety, charge basket is axially consistent with pond length direction and axial length is less than body of heater length,
During thermal treatment, body of heater is in open mode, first pending steel pipe is encased in charge basket, then under feeding trolley being moved to body of heater along guide rail, upright contraposition is put, control body of heater by body of heater folding control device close up and charge basket is picked up in body of heater, then controlling feeding trolley exits below body of heater, then controls body of heater and closes up closedown completely, be heated to solid melting temperatur by electric heating device to steel pipe; Then control body of heater is opened and charge basket is directly fallen in pond together with the steel pipe in it, salvages charge basket and steel pipe after cooling; Be disposed.
Like this, steel pipe is placed in charge basket, then moves ahead along guide rail by feeding trolley and retreats, realizing feeding, fast very convenient.Simultaneously on feeding trolley, the triangle support frame of setting, makes body of heater close up in process, first can contact with charge basket and be picked up by charge basket, and avoid contacting with the supporting structure below charge basket and causing feeding.Make charging smoothly convenient.
As optimization, described body of heater folding control device, comprise multiple supports that leap is from the width direction arranged at above pond and body of heater, support entirety is inverted U-shaped and is intervally arranged along body of heater length direction, and pedestal upper end medium position is provided with suspended axle along body of heater length direction; Folding control device also comprises at least one pair of hanging handle extended to form respectively to rightabout outside oblique upper along left body of heater and right body of heater upper end separately, often pair of hanging handle infall is rotatably connected on suspended axle, is provided with the push-and-pull force application mechanism of thrust and the pulling force that can produce horizontal direction between often pair of hanging handle upper end.
Like this, the weight of body of heater is supported by suspended axle and cradle hangs, then the structure of similar scissors is formed by the hanging handle of two lobe body of heater upper end thereof, can be convenient and swift and realize the opening and closing of body of heater effortlessly by a push-and-pull force application mechanism, operate very flexibly and fast reliable.
One as push-and-pull force application mechanism is optimized structure form, described push-and-pull force application mechanism comprises a force turning axle be horizontally placed between often pair of hanging handle upper end, force rotating shaft terminal be provided with the contrary screw thread in direction and separately thread fit on the nut of a coupling, nut can be connected to corresponding hanging handle upper end vertical rotating, push-and-pull force application mechanism also comprises the motor be fixedly installed on a hanging handle, and motor is connected with force turning axle and force turning axle can be driven to rotate.Specifically, in often pair of hanging handle, end nut laterally stretches out one of them hanging handle and is fixedly installed a motor support plate, motor is fixedly installed in motor support plate.This spline structure is simple and convenient installation is fixing.
After such optimization, when push-and-pull force application mechanism uses, driven by motor force turning axle forward or reverse, then by reverse thread and the corresponding nut screw connection effect of the rotating shaft terminal that exerts a force, can drive two nuts simultaneously toward relative to or contrary direction move, two hanging handles can be driven like this to remove or close up, and then realize the closedown of body of heater by lever principle and open.This thrust force application mechanism structure is simple, and handled easily controls, and owing to being apply power symmetrically to two hanging handles simultaneously, can ensure the balance and stability of moving process.Ensure that the stability that body of heater opens and closes.
As optimization, two nuts on often pair of hanging handle are horizontally set on the side of two relative sides of hanging handle separately.After such optimization, force turning axle can be ensured better vertically to hanging handle force, avoid producing the moment of torsion in other directions and affect operational stability.
As optimization, described left body of heater and right body of heater inner chamber lower end, near joint, are provided with the rotating drum of row along body of heater axial arranging separately.Rotating drum uper side surface is area supported.
Like this, arrange rotating drum body of heater is closed up and by be placed into charge basket (built-in steel pipe) pick up time, both sides, charge basket bottom first contact with rotating drum upper inside surface, then body of heater continues to close up and makes charge basket upwards to be lifted rear time-out by rotating drum, then after the bracing or strutting arrangement first below being installed charge basket is removed, then control body of heater and continue to close up; Making body of heater close up charge basket in process like this can be clamped in body of heater smoothly quickly.Charge basket is forced to lift by the rolling resistance that simultaneously when filling with substance is formed by rotating drum, rotates skidded off by charge basket during blowing by rotating drum, can slow down and put shock in material process and wearing and tearing, extend the work-ing life of body of heater lower end joint and charge basket.After the rotating drum simultaneously arranged makes body of heater close up, charge basket by flying shore, is made the steel pipe heating fashionable dress charging basket to be heated more even, improves thermal effectiveness on rotating drum.When better selecting in addition, roller mount pad when rotating drum is closed by body of heater being vertical state is arranged in body of heater inner chamber.Like this, after body of heater is closed, the gravity of charge basket be vertical direction acts on body of heater by roller mount pad, decreases the component of gravity in side direction as far as possible, is beneficial to body of heater and remains and close up closing condition, the stability of guarantee heat-processed and reliability.
As optimization, on described left body of heater and right body of heater inner chamber lower end binding surface, at least the binding surface of side stretches out along this wing furnace body radian direction and is formed with grafting block, and on opposite side binding surface, corresponding grafting block is provided with the inserting groove of coupling.
Like this, after body of heater closedown is closed up, grafting block is inserted in the inserting groove of coupling, the globality making it combine is better, after in charge basket action of gravity straight down to the body of heater of side, can be remake by grafting block and use on opposite side body of heater, and then make two and half bodies of heater can bear the effect of gravity simultaneously, avoid gravity to be converted into the tension force of side direction, ensure the stability after body of heater closedown and reliability.Further, grafting block end is most advanced and sophisticated or arc, and convenient grafting block is inserted in inserting groove.
Better selection is, upwards arrange a feeding cylinder at guide rail away from the end of body of heater one end, the telescopic boom of feeding cylinder is connected along guide rail direction with feeding trolley.Like this, can moving ahead of feeding trolley be realized by feeding cylinder and retreat, its feeding be controlled more convenient.
As optimization, inner being intervally arranged along short transverse of described charge basket is provided with multi-compartment bed and shelves.
Like this, steel pipe can pavement layer by layer to mating formation on frame, facilitate penstock installation, make in heat-processed simultaneously, steel pipe is heated more even, improves thermal effectiveness.
As optimization, both sides, described pond are also provided with sleeper, and described guide rails assembling is on sleeper.Like this, guide rail stability can be improved.
As optimization, described body of heater skin is provided with steel plate, and internal layer is provided with refractory fibrous material layer.Such furnace binding can be more light and handy, convenient control.
In sum, the present invention has easy to operate, quickness and high efficiency, can shortening heat process transfer time, can improve the advantage of thermal effectiveness, ensure that treatment effect and improve quality product.
Accompanying drawing explanation
The structural representation of the steel tube anneal heat treatment system that Fig. 1 adopts when being the invention process.
Fig. 2 is the side-view of Fig. 1.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
A kind of steel tube anneal heat treating method, during enforcement, first obtains a kind of steel tube anneal heat treatment system as shown in Figure 1-2, then by this system implementation present method.This heat treatment system, comprise electric furnace and pond 1, electric furnace comprises body of heater and is arranged at the electric heating device of furnace interior, wherein, described body of heater docks fastening by the left body of heater 2 of appearance cross section semicircular in shape and right body of heater 3 and obtains, in closed at both ends state after body of heater fastens, body of heater is outside equipped with body of heater folding control device, and described pond 1 is just to being arranged at below body of heater.
Like this, when annealing thermal treatment, pending steel pipe is put in body of heater, controls body of heater by body of heater folding control device and close, be then heated to solid solubility temperature, control body of heater by body of heater folding control device after power-off to open, then steel pipe can fall to immediately below pond in cool, achieve solution treated technique rapidly, efficiently convenient to operation, improve heat treatment efficiency, ensure that quality product.
In heat treatment system, described body of heater folding control device, comprise multiple supports 4 that leap is from the width direction arranged at above pond 1 and body of heater, support 4 entirety is inverted U-shaped and is intervally arranged along body of heater length direction, and support 4 upper center position is provided with suspended axle 5 along body of heater length direction; Folding control device also comprises at least one pair of hanging handle 6 extended to form respectively to rightabout outside oblique upper along left body of heater 2 and the respective upper end of right body of heater 3, often pair of hanging handle 6 infall is rotatably connected on suspended axle 5, is provided with the push-and-pull force application mechanism of thrust and the pulling force that can produce horizontal direction between often pair of hanging handle 6 upper end.
Like this, the weight of body of heater is supported by suspended axle and cradle hangs, then the structure of similar scissors is formed by the hanging handle of two lobe body of heater upper end thereof, can be convenient and swift and realize the opening and closing of body of heater effortlessly by a push-and-pull force application mechanism, operate very flexibly and fast reliable.
In heat treatment system, push-and-pull force application mechanism adopts following one to optimize structure form, described push-and-pull force application mechanism comprises a force turning axle 7 be horizontally placed between often pair of hanging handle 6 upper end, force turning axle 7 two ends be provided with the contrary screw thread in direction and separately thread fit on the nut 8 of a coupling, nut 8 can be connected to corresponding hanging handle upper end vertical rotating, push-and-pull force application mechanism also comprises the motor 9 be fixedly installed on a hanging handle, and motor 9 is connected with force turning axle 7 and force turning axle 7 can be driven to rotate.Specifically, in often pair of hanging handle 6, end nut laterally stretches out one of them hanging handle and is fixedly installed a motor support plate 10, motor 9 is fixedly installed in motor support plate 10.This spline structure is simple and convenient installation is fixing.
Like this, when push-and-pull force application mechanism uses, driven by motor force turning axle forward or reverse, then by reverse thread and the corresponding nut screw connection effect of the rotating shaft terminal that exerts a force, can drive two nuts simultaneously toward relative to or contrary direction move, two hanging handles can be driven like this to remove or close up, and then realize the closedown of body of heater by lever principle and open.This thrust force application mechanism structure is simple, and handled easily controls, and owing to being apply power symmetrically to two hanging handles simultaneously, can ensure the balance and stability of moving process.Ensure that the stability that body of heater opens and closes.
In heat treatment system, two nuts 8 on often pair of hanging handle 6 are horizontally set on the side of the relative side of two hanging handles 6 separately.Like this, force turning axle can be ensured better vertically to hanging handle force, avoid producing the moment of torsion in other directions and affect operational stability.
In heat treatment system, described left body of heater 2 and right body of heater 3 inner chamber lower end, near joint, are provided with the rotating drum 11 of row along body of heater axial arranging separately.Rotating drum 11 uper side surface is area supported.
Like this, arrange rotating drum body of heater is closed up and by be placed into charge basket (built-in steel pipe) pick up time, both sides, charge basket bottom first contact with rotating drum upper inside surface, then body of heater continues to close up and makes charge basket upwards to be lifted rear time-out by rotating drum, then after the bracing or strutting arrangement first below being installed charge basket is removed, then control body of heater and continue to close up; Making body of heater close up charge basket in process like this can be clamped in body of heater smoothly quickly.Charge basket is forced to lift by the rolling resistance that simultaneously when filling with substance is formed by rotating drum, rotates skidded off by charge basket during blowing by rotating drum, can slow down and put shock in material process and wearing and tearing, extend the work-ing life of body of heater lower end joint and charge basket.After the rotating drum simultaneously arranged makes body of heater close up, charge basket by flying shore, is made the steel pipe heating fashionable dress charging basket to be heated more even, improves thermal effectiveness on rotating drum.When better selecting in addition, roller mount pad when rotating drum is closed by body of heater being vertical state is arranged in body of heater inner chamber.Like this, after body of heater is closed, the gravity of charge basket be vertical direction acts on body of heater by roller mount pad, decreases the component of gravity in side direction as far as possible, is beneficial to body of heater and remains and close up closing condition, the stability of guarantee heat-processed and reliability.
In heat treatment system, on described left body of heater 2 and right body of heater 3 inner chamber lower end binding surface, at least the binding surface of side stretches out along this wing furnace body radian direction and is formed with grafting block 13, and on opposite side binding surface, corresponding grafting block 13 is provided with the inserting groove 14 of coupling.
Like this, after body of heater closedown is closed up, grafting block is inserted in the inserting groove of coupling, the globality making it combine is better, after in charge basket action of gravity straight down to the body of heater of side, can be remake by grafting block and use on opposite side body of heater, and then make two and half bodies of heater can bear the effect of gravity simultaneously, avoid gravity to be converted into the tension force of side direction, ensure the stability after body of heater closedown and reliability.Further, grafting block end is most advanced and sophisticated or arc, and convenient grafting block is inserted in inserting groove.
Also pay-off is comprised in heat treatment system, described pay-off, comprise and be laid on ground and one end to extend to below body of heater and is positioned at the pair of guide rails 15 of length direction both sides, pond 1, also comprise the feeding trolley 16 be equipped with on guide rail by roller, feeding trolley 16 upper center is provided with the overall bracing frame 17 triangular in shape of width, bracing frame 17 upper end is provided with the supporting seat 18 of width entirety in inverted trapezoidal, supporting seat 18 upper surface is arc and laminating carrying arranges a cylindrical circular charge basket 19 of entirety, charge basket 19 is axially consistent with pond 1 length direction.
Like this, steel pipe is placed in charge basket, then moves ahead along guide rail by feeding trolley and retreats, realizing feeding, fast very convenient.Simultaneously on feeding trolley, the triangle support frame of setting, makes body of heater close up in process, first can contact with charge basket and be picked up by charge basket, and avoid contacting with the supporting structure below charge basket and causing feeding.Make charging smoothly convenient.
Heat treatment system is better selected, and upwards arrange a feeding cylinder at guide rail away from the end of body of heater one end, the telescopic boom of feeding cylinder is connected along guide rail direction with feeding trolley.Like this, can moving ahead of feeding trolley be realized by feeding cylinder and retreat, its feeding be controlled more convenient.
In heat treatment system, described charge basket 19 inside is intervally arranged along short transverse and is provided with multi-compartment bed and shelves 20.
Like this, steel pipe can pavement layer by layer to mating formation on frame, facilitate penstock installation, make in heat-processed simultaneously, steel pipe is heated more even, improves thermal effectiveness.
In heat treatment system, both sides, described pond 1 are also provided with sleeper 21, and described guide rail 15 is arranged on sleeper 21.Like this, guide rail stability can be improved.
In heat treatment system, described body of heater skin is provided with steel plate, and internal layer is provided with refractory fibrous material layer.Such furnace binding can be more light and handy, convenient control.
During said system thermal treatment, body of heater is first in open mode, first pending steel pipe is encased in charge basket, then under feeding trolley being moved to body of heater along guide rail, upright contraposition is put, control body of heater by body of heater folding control device close up and charge basket is picked up in body of heater, then controlling feeding trolley exits below body of heater, then controls body of heater and closes up closedown completely, be heated to solid melting temperatur by electric heating device to steel pipe; Then control body of heater is opened and charge basket is directly fallen in pond together with the steel pipe in it, salvages charge basket and steel pipe after cooling; Be disposed.Therefore present method has easy to operate, quickness and high efficiency, can shortening heat process transfer time, can improve the advantage of thermal effectiveness, ensure that treatment effect and improve quality product.
Claims (10)
1. a steel tube anneal heat treating method, it is temperature required to solid solution that the method is first steel pipe to be put into heating by electric cooker, and then taking-up steel pipe is placed in pond and cools; It is characterized in that, adopted by electric furnace body the binding surface docking vertically of two and half bodies of heater to be formed, pond is arranged on below body of heater, after steel pipe heating, directly two and half bodies of heater is opened and steel pipe is fallen to below body of heater cool in pond.
2. steel tube anneal heat treating method as claimed in claim 1, it is characterized in that, the heat treatment system that have employed following structure obtains, described heat treatment system, comprises electric furnace and pond, and electric furnace comprises body of heater and is arranged at the electric heating device of furnace interior, described body of heater docks fastening by the left body of heater of appearance cross section semicircular in shape and right body of heater and obtains, in closed at both ends state after body of heater fastens, body of heater is outside equipped with body of heater folding control device, and described pond is just to being arranged at below body of heater, heat treatment system also comprises pay-off, described pay-off, comprise and be laid on ground and one end to extend to below body of heater and is positioned at the pair of guide rails of length direction both sides, pond, also comprise the feeding trolley be equipped with on guide rail by roller, feeding trolley upper center is provided with the overall bracing frame triangular in shape of width, bracing frame upper end is provided with the supporting seat of width entirety in inverted trapezoidal, supporting seat upper surface is arc and laminating carrying arranges a cylindrical circular charge basket of entirety, charge basket is axially consistent with pond length direction and axial length is less than body of heater length,
During thermal treatment, body of heater is in open mode, first pending steel pipe is encased in charge basket, then under feeding trolley being moved to body of heater along guide rail, upright contraposition is put, control body of heater by body of heater folding control device close up and charge basket is picked up in body of heater, then controlling feeding trolley exits below body of heater, then controls body of heater and closes up closedown completely, be heated to solid melting temperatur by electric heating device to steel pipe; Then control body of heater is opened and charge basket is directly fallen in pond together with the steel pipe in it, salvages charge basket and steel pipe after cooling; Be disposed.
3. steel tube anneal heat treating method as claimed in claim 2, it is characterized in that, described body of heater folding control device, comprise multiple supports that leap is from the width direction arranged at above pond and body of heater, support entirety is inverted U-shaped and is intervally arranged along body of heater length direction, and pedestal upper end medium position is provided with suspended axle along body of heater length direction; Folding control device also comprises at least one pair of hanging handle extended to form respectively to rightabout outside oblique upper along left body of heater and right body of heater upper end separately, often pair of hanging handle infall is rotatably connected on suspended axle, is provided with the push-and-pull force application mechanism of thrust and the pulling force that can produce horizontal direction between often pair of hanging handle upper end.
4. steel tube anneal heat treating method as claimed in claim 3, it is characterized in that, described push-and-pull force application mechanism comprises a force turning axle be horizontally placed between often pair of hanging handle upper end, force rotating shaft terminal be provided with the contrary screw thread in direction and separately thread fit on the nut of a coupling, nut can be connected to corresponding hanging handle upper end vertical rotating, push-and-pull force application mechanism also comprises the motor be fixedly installed on a hanging handle, and motor is connected with force turning axle and force turning axle can be driven to rotate.
5. steel tube anneal heat treating method as claimed in claim 4, it is characterized in that, two nuts on often pair of hanging handle are horizontally set on the side of two relative sides of hanging handle separately.
6. steel tube anneal heat treating method as claimed in claim 3, it is characterized in that, described left body of heater and right body of heater inner chamber lower end, near joint, are provided with the rotating drum of row along body of heater axial arranging separately.
7. steel tube anneal heat treating method as claimed in claim 3, it is characterized in that, on described left body of heater and right body of heater inner chamber lower end binding surface, at least the binding surface of side stretches out along this wing furnace body radian direction and is formed with grafting block, and on opposite side binding surface, corresponding grafting block is provided with the inserting groove of coupling.
8. steel tube anneal heat treating method as claimed in claim 2, is characterized in that, inner being intervally arranged along short transverse of described charge basket is provided with multi-compartment bed and shelves.
9. steel tube anneal heat treating method as claimed in claim 2, it is characterized in that, both sides, described pond are also provided with sleeper, and described guide rails assembling is on sleeper.
10. steel tube anneal heat treating method as claimed in claim 2, it is characterized in that, described body of heater skin is provided with steel plate, and internal layer is provided with refractory fibrous material layer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113564316A (en) * | 2021-06-18 | 2021-10-29 | 浙商中拓集团(浙江)新材料科技有限公司 | Spheroidizing annealing treatment process and equipment for producing finish-drawn steel |
| CN114959524A (en) * | 2022-06-10 | 2022-08-30 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Nickel-based alloy processing solid solution heat treatment device and solid solution method |
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| CN113564316A (en) * | 2021-06-18 | 2021-10-29 | 浙商中拓集团(浙江)新材料科技有限公司 | Spheroidizing annealing treatment process and equipment for producing finish-drawn steel |
| CN114959524A (en) * | 2022-06-10 | 2022-08-30 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Nickel-based alloy processing solid solution heat treatment device and solid solution method |
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