CN109777943A - A kind of annealing device and weld seam heat treatment method - Google Patents
A kind of annealing device and weld seam heat treatment method Download PDFInfo
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- CN109777943A CN109777943A CN201910195246.1A CN201910195246A CN109777943A CN 109777943 A CN109777943 A CN 109777943A CN 201910195246 A CN201910195246 A CN 201910195246A CN 109777943 A CN109777943 A CN 109777943A
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Abstract
本发明涉及热处理技术领域，公开了一种热处理装置及焊缝热处理方法。热处理装置用于对两个焊接结合的构件进行热处理，第一构件包括第一筒体，第一筒体和/或第二构件上具有外延部。该装置包括用于加热焊缝内外两侧的内加热部和外加热部以及补偿加热部。补偿加热部能够对外延部进行补偿加热。由于外延部处材料较厚，容易吸收较多热量因此补偿加热部对其进行加热补偿，使得整个焊接结构的热处理更加均匀充分。由于采用电加热的形式，热处理操作简单，省时省力。本发明公开的焊缝热处理方法，采用了上述的热处理装置进行对具有焊缝的产品进行热处理。
The invention relates to the technical field of heat treatment, and discloses a heat treatment device and a welding seam heat treatment method. The heat treatment device is used for heat treatment of two welded components. The first component includes a first cylindrical body, and the first cylindrical body and/or the second component has an extension portion. The device includes an inner heating part, an outer heating part and a compensation heating part for heating the inner and outer sides of the welding seam. The compensation heating part can perform compensation heating of the extension part. Since the material at the epitaxial part is thicker, it is easy to absorb more heat, so the compensation heating part performs heating compensation for it, so that the heat treatment of the whole welded structure is more uniform and sufficient. Due to the use of electric heating, the heat treatment operation is simple, saving time and effort. The welding seam heat treatment method disclosed in the present invention adopts the above-mentioned heat treatment device to heat treat the product with the welding seam.
Description
Technical field
The present invention relates to technical field of heat treatment, in particular to a kind of annealing device and weld seam heat treatment method.
Background technique
During structural member Product jointing, some circular welds usually require that local post weld heat treatment, to improve welding
The performance in region eliminates the adverse effects such as welding residual stress.For the structural member with flange Yu tube welding weld seam, with depth
For extra large waterproof casing, flange with it is in irregular shape at tube welding, it is abundant that common heat treatment mode is difficult to homogeneous heating,
It cannot get a desired effect, and operate time-consuming and laborious, increase production cost.
Summary of the invention
The purpose of the present invention is to provide a kind of annealing devices, can fill to the welding structure of pipe and flange
Divide, be equably heat-treated, and is easy to operate, cost is relatively low.
Another object of the present invention is to provide a kind of weld seam heat treatment methods, use above-mentioned annealing device, energy
Enough to be sufficiently and uniformly heat-treated to the welding structure of pipe and flange and easy to operate, cost is relatively low.
The embodiment of the present invention is achieved in that
A kind of annealing device is heat-treated for the binding site to product, and product includes first component and second
Component, first component include the first cylinder, and the first cylinder and second component are axially combined, the combination of the first cylinder and second component
Position has weld seam, and annealing device includes:
Interior heating part on the inside of the weld seam being set to；
External heat portion on the outside of the weld seam being set to；
Heating part is compensated, epitaxy part is provided on the first cylinder and/or second component, compensation heating part can be to epitaxy part
Compensate heating；
Interior heating part, external heat portion, compensation heating part are equipped with for providing the heating element of heat.
In an embodiment of the present invention:
Interior heating part includes the first fixed plate and the heating element that is set in the first fixed plate；
External heat portion includes the second fixed plate and the heating element that is set in the second fixed plate；
Compensate the heating element that heating part includes third fixed plate and is set in third fixed plate.
In an embodiment of the present invention:
Annealing device further includes incubator and partition, and the binding site of product is set in incubator, and incubator is set
It is equipped with opening, partition is arranged at the opening.
In an embodiment of the present invention:
First component and/or second component stretch out in incubator from heat preservation box opening, and first component and/or second component are stretched
Part for incubator is with inner cavity, in the inner cavity that partition is set to.
In an embodiment of the present invention:
Interior heating part, external heat portion and the engaging portion for compensating heating part jointing product.
In an embodiment of the present invention:
Second component is provided with epitaxy part, and epitaxy part is flange, and the first cylinder is located at the side of the flange.
In an embodiment of the present invention:
Compensation heating part one end is provided with opening, and openings of sizes is adjustable.
In an embodiment of the present invention:
Compensation heating part is connected with external heat portion, and compensation heating part includes the whole third fixed plate being arranged in a ring.
In an embodiment of the present invention:
Second component is the second cylinder, and the second cylinder is set to the other side of flange, heat treatment dress relative to the first cylinder
Setting further includes auxiliary heating part, and auxiliary heating part is for heating the second cylinder.
A kind of weld seam heat treatment method, is heat-treated the binding site of product, and product includes successively axially connecting
First cylinder and the second cylinder for being provided with flange, binding site have the weld seam circumferentially extended around the first cylinder, weld seam heat
Processing method includes being heat-treated using above-mentioned annealing device to product, and compensation heating part fitting flange simultaneously adds flange
Heat, flange are located in incubator, and auxiliary heating part is bonded the second cylinder inside and or outside and heats to the second cylinder；
External heat portion and interior heating part from outer, the interior two sides covering weld seam of weld seam and heat weld seam respectively.
In an embodiment of the present invention:
Interior heating part and external heat portion cover heating tape, the heating tape size C upward in the first drum shaft are as follows:
Wherein, R is the radius of the first cylinder, and w is weld width, and t is the wall thickness of the first cylinder；Interior heating part and external heat
Size of the portion in the axial direction of the first cylinder is not less than C.
In an embodiment of the present invention:
Incubator is tubular, and the axial direction of incubator is axial consistent with the first cylinder；The length D of incubator in the axial direction is full
Foot:
Wherein, R is the radius of the first cylinder, and t is the wall thickness of the first cylinder, and C is that heating tape is upward in the first drum shaft
Size.
The beneficial effect of the embodiment of the present invention is:
The annealing device of the embodiment of the present invention, for being heat-treated to product, product includes first axially connected
Component and second component, first component include the first cylinder axially connecting with second component, and two component junctions have weldering
Seam, annealing device include for heating interior heating part inside and outside weld seam and external heat portion and compensation heating part.First
Epitaxy part is provided on cylinder and/or second component, compensation heating part can compensate heating to epitaxy part.Due to epitaxy part
It is thicker to locate material, is easy to absorb more heat transfer therefore compensate heating part to carry out heating compensation to it, so that entire welded
It is heat-treated more uniform abundant.Due to using electrically heated form, heat treatment operation is simple, time saving and energy saving.
Weld seam heat treatment method disclosed by the embodiments of the present invention, carries out using above-mentioned annealing device to welding structure
It is heat-treated, epitaxy part is heated in compensation heating part, and epitaxy part is located in incubator, and the first cylinder is stretched from opening part
Out.The method makes the heat treatment at entire Product jointing more uniform sufficiently.Due to using electrically heated form, heat treatment behaviour
Make simply, it is time saving and energy saving.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is that annealing device processes the welded schematic diagram of flange in the embodiment of the present invention；
Fig. 2 is that annealing device processes the welded schematic diagram of flange in another embodiment of the present invention；
Fig. 3 is the scheme of installation of incubator in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of interior heating part in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of China and foreign countries of embodiment of the present invention heating part；
Fig. 6 is the structural schematic diagram that heating part is compensated in the embodiment of the present invention；
Fig. 7 is the distribution map of temperature measurement location in the embodiment of the present invention；
Fig. 8 is the distribution map of temperature measurement location temperature measuring point in the embodiment of the present invention.
Icon: 100- incubator；102- first is open；104- second is open；106- support frame；110- first partition；
120- second partition；130- buckle；Heating part in 200-；210- internal fixation plate；Heating plate in 220-；300- external heat portion；
310- outer stationary plates；The additional hot plate of 320-；400- compensates heating part；410-T shape plate；420- heating sheet；The gap 430-；500- is auxiliary
Help heating part；600- flange welding structure；The first cylinder of 610-；The second cylinder of 620-；630- flange；640- weld seam；700- is surveyed
Warm spot.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the embodiment of the present invention, it should be noted that the orientation of the instructions such as term "horizontal", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put
Or positional relationship, it is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition,
Term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the embodiment of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term
" setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in embodiments of the present invention.
Embodiment
Fig. 1 is the schematic diagram that annealing device processes flange welding structure 600 in the embodiment of the present invention.Fig. 1 is please referred to, this
Embodiment provides a kind of annealing device and the weld seam heat treatment method using the annealing device.The heat treatment of the present embodiment
Device and weld seam heat treatment method are for being heat-treated the product with weld seam.The product includes the first axially combined structure
Part and second component, first component include first cylinder axially combined with second component, on the first cylinder and/or second component
It is provided with epitaxy part.In the present embodiment, product is flange welding structure 600, and flange welding structure 600 includes axially successively connecting
The first cylinder 610, flange 630 (i.e. epitaxy part) and the second cylinder 620 (i.e. second component) connect, the flange of flange 630 from
The peripheral side of second cylinder 620 outwardly protrudes.There is the weld seam 640 circumferentially extended around the first cylinder 610 on first cylinder 610.
In the present embodiment, flange 630 is heated as epitaxy part by compensation heating part 400, in other realities of the invention
It applies in example, product handled by annealing device can also not include flange, but the form of connecting pipe of shell.
The annealing device of the present embodiment includes incubator 100, for the interior heating of jointing product binding site inner surface
Portion 200, the external heat portion 300 for being sheathed on 610 outside of the first cylinder, and for being bonded flange 630 towards the first cylinder
The compensation heating part 400 of 610 side.In the present embodiment, incubator 100 is tubular, and the both ends in axial direction have the respectively
One opening 102 and the second opening 104, when being heat-treated to flange welding structure 600, the first cylinder 610 and the second cylinder
620 can respectively partially stretch out from the first opening 102 and the second opening 104, convenient for carrying out to the longer product of axial length
Heat treatment.In the present embodiment, 100 metal shell of incubator adds built-in thermal insulation material to form, for flange welding structure
600 are kept the temperature, and product bond area regional temperature is met the requirements, and improve thermal effectiveness.The metal material of shell is chosen as
Stainless steel, thermal insulation material are chosen as alumina silicate heat-preservation cotton.The thickness of thermal insulation material will meet sufficient insulating power, and workpiece is made to exist
Linear heating or it can cool down as required as required during heating and slow cooling.The length D of incubator 100 in the axial direction
Meet:
Wherein, R is the radius of the first cylinder 610, and t is the wall thickness of the first cylinder 610, and C is heating tape in the first cylinder 610
Size in axial direction.It is limited, can be shortened at heat while meeting heat insulation effect by the length to incubator 100
It is the heating time of reason process early period, energy saving.Optionally, to fully ensure that heat insulation effect, the length for keeping the temperature sleeve is meeting
Minimum value increases 100-200mm after requiring.In order to facilitate the placement and taking-up of workpiece, the shell of incubator 100 is by two edges
Axially extending, section is that semicircular shell fastens.Two sections are that the shell side of semicircle is hinged, the other side
Pass through the removably connection of buckle 130.This buckle 130 can be the form of hasp.Alternatively, two sections are the shell of semicircle
The removably connection of buckle 130 can all be passed through with two sides.It is good in order to have flange welding structure 600 in incubator 100
Stability, bracket (not shown) is optionally provided in incubator 100, or 100 open outer sides of heat preservation are optionally provided with
Bracket (not shown) can provide support to workpiece when heated.
In order to further prevent heat loss, first partition 110 is optionally set in the first cylinder 610, at second
Second partition 120 is set in body 620, respectively to separate the inner cavity of the first cylinder 610 and the second cylinder 620, so that incubator
Heat in 100 is difficult to distribute outward.First partition 110 is circle, and size is matched with the internal diameter of the first cylinder 610,
First partition 110 includes the thermal insulation material for keeping the temperature circular aluminium sheet and being set on aluminium sheet, thermal insulation material with a thickness of 10-
30cm can be adjusted according to the actual situation.The structure and function of second partition 120 is similar to first partition 110, size
It is adapted to 620 internal diameter of the second cylinder.
Fig. 3 is the scheme of installation of incubator 100 in the embodiment of the present invention.Fig. 1 and Fig. 3 are please referred to, incubator 100 makes
Its axis of used time is approximate horizontal placement, i.e., the first cylinder 610 and the second cylinder 620 of flange welding structure 600 are also big
Level is caused, in order to fix incubator 100 and prevent incubator 100 from deforming at high temperature, it is right that support frame 106 can be used
Incubator 100 is supported, and the support zone of support frame 106 can be the arc being adapted to 100 outer surface radian of incubator
Shape item or cambered surface, such setting of incubator 100 are also unlikely to deform while stabilization, and chain or company are distinguished in 100 top of incubator
Extension bar is connected on a bracket (not shown), chain or the scalable setting of connecting rod, and support frame 106 is liftable structure, is convenient for
Open and close incubator.
Fig. 4 is the structural schematic diagram of interior heating part 200 in the embodiment of the present invention.Referring to Fig.4, in the present embodiment, interior
Heating part 200 includes the internal fixation plate 210 of tubular and the interior heating plate 220 for being set to 210 outside of internal fixation plate, interior heating plate
220 include several electroceramics heating sheets, and interior heating plate 220 can be crawler type heating plate, so that heating plate can change itself
For shape to fit in product surface, interior heating plate 220 is fixed on the lateral surface of internal fixation plate 210, and is used for and the first cylinder 610
Medial surface fitting, to being heated at weld seam 640.(such as Fig. 1) in some embodiments, the first cylinder 610, the second cylinder
620 internal diameter is consistent and medial surface is smoothly connected, then the length of the interior heating plate 220 of interior heating part 200 in the axial direction is enough together
When attach the portion of medial side of the first cylinder 610 and the second cylinder 620.In further embodiments, the first cylinder 610 and second
620 internal diameter of cylinder is simultaneously non-uniform, therefore junction, there are some gradients, interior heating part 200 can do deformation appropriate here
To fit closely, such as the case where Fig. 2.In the present embodiment, electroceramics heating sheet passes through conducting wire (not shown) and external power supply
Connection.
Fig. 5 is the structural schematic diagram of China and foreign countries of embodiment of the present invention heating part 300.Referring to FIG. 5, external heat portion 300 with it is interior
The principle of heating part 200 is similar comprising the outer fixing portion of tubular and the additional hot plate for being fixed on outer fixing portion medial surface
320, additional hot plate 320 be also include electroceramics heating sheet, for attach the lateral surface of the first cylinder 610 and to weld seam 640 it is attached
Closely heated.Internal fixation plate 210 and outer stationary plates 310 are chosen as stainless steel plate, on internal fixation plate 210 and outer stationary plates 310
There is a mounting hole for fixing heating plate, interior heating plate 220 and additional hot plate 320 are fixed on interior fixation alternately through bolt
Plate 210 and outer stationary plates 310.In order to reduce heat affected area radiating rate, guarantees that heat affected area temperature is met the requirements, improve at heat
Reason quality, fixed plate (including internal fixation plate 210 and outer stationary plates 310) and heating plate (including interior heating plate 220 and additional hot plate
320) thermal insulation material or fixed plate also can be set between, thermal insulation material is set far from heating plate side, thermal insulation material can be with
For heat-preservation cotton etc..In order to facilitate the installation of, internal fixation plate 210 includes multiple arcs plate, such as two arc panels, and two arc panels close
Spell shape is at tubular；Outer stationary plates 310 also include multiple arcs plate, for example four sections are the arc panel of quadrant, are merged
Tubular is formed, corresponding, interior heating plate 220 and additional hot plate 320 can also be divided into two pieces and four pieces.
Optionally, external heat portion 300 and interior heating part 200 are aligned in one end far from flange 630；Close to the second cylinder
620 one end, in some cases, due to not having the blocking of flange 630, interior heating part 200 can cover farther.Weld seam
640 nearby have heating tape, and the heating tape of side of the weld seam 640 far from flange 630 is covered by inside and outside heating part, heating tape
Size C in 610 axial direction of the first cylinder are as follows:
Wherein, R is the radius of the first cylinder 610, and w is 640 width of weld seam, and t is the wall thickness of the first cylinder 610；Interior heating
The size of portion 200 and external heat portion 300 in the axial direction of the first cylinder 610 is not less than C, that is, illustrates external heat portion 300 and interior
Heating part 200 is not less than C in the axial length of the lap in 610 axial direction of the first cylinder.To fully ensure that heating quality,
Optionally, the lap in 610 axial direction of the first cylinder in interior heating part 200 and external heat portion 300 can be in the base of size C
100-200mm is further added by plinth.The length C of heating tape is limited, energy can be saved while meeting thermal effectiveness
Source.
Fig. 6 is the structural schematic diagram that heating part 400 is compensated in the embodiment of the present invention.Referring to FIG. 6, in the present embodiment,
Compensation heating part 400 includes T-shaped plate 410 and the flange heating plate for being fixed on T-shaped plate 410, with interior heating part 200 and external heat portion
300 is similar, and flange heating plate is also possible to be fixed by bolt.In the present embodiment, one end of T-shaped plate 410 is connected to
One end of outer stationary plates 310, and radially outward bend relative to outer stationary plates 310, extend, connection type can be fixed company
It connects, for example welds, is bolted.Compensation heating part 400 in the present embodiment includes 10 T-shaped plates, 410,10 T-shaped plates 410
Be uniformly arranged around circumferential, 410 outward bending of T-shaped plate, extension angle can according to the concrete shape of flange welding structure 600 into
Row is arranged, for example the transition portion between the first cylinder 610 and flange 630 is a cambered surface, then T-shaped plate 410 can be bent to
Shape (situation as shown in Figure 2) with certain radian.Or the flexible deformation by T-shaped plate 410, realize compensation heating part
400 big minor adjustments open at one end, and compensation heating part 400 is allowed to be tightly attached to 630 surface of flange.If flange heating plate includes
Dry (such as 10) heating sheet 420, heating sheet 420 is substantially trapezoidal (being also possible to other shapes, such as fan ring), Mei Gejia
Backing 420 is fixed in T-shaped plate 410 by bolt correspondence.Optionally, each heating sheet 420 is connected with each other in the circumferential, still
There is gap 430, gap 430 extends from flange heating plate outer edge to center, gap 430 among two neighboring heating sheet 420
Length be the size radially of heating sheet 420 half.The end of heating sheet 420 is facilitated to be bent, in this way to adapt to not
The heating location of similar shape.In the present embodiment, heating sheet 420 is made of electroceramics heating sheet.In the present embodiment, heating part is compensated
Setting reduce heat affected area radiating rate, heat affected area temperature is met the requirements, and improves thermal treatment quality.
In addition, heating sheet 420 can preferably be bonded 630 surface of flange for convenience, heating sheet 420 is optionally provided with
The opening (not shown) to extend internally from outer edge, the length of the opening can be the half of 420 radical length of heating sheet.So
Structure allows the outer end of heating sheet 420 two parts being split to form that are open to bend adjustment without interfering with each other.
It should be appreciated that in other embodiments of the invention, compensating 420 T-shaped plate 410, heating sheet numbers of heating part 400
It can be adjusted, such as convenience and with outer stationary plates 310 (from 4 pieces of arc panel splits), and be set as 4,8
Deng.In some other embodiment of the invention, the T-shaped plate 410 of compensation heating part 400 also may not necessarily be with external heat portion 300
Outer stationary plates 310 connect, but be independently arranged.In addition, in other embodiments of the invention, interior heating part 200, external heat
The connection type of portion 300 and the fixed plate and heating plate that compensate heating part 400 can not also use bolt fastening, but use
The other forms such as welding, riveting, bondage.
In addition, in the present embodiment, annealing device further includes auxiliary heating part 500, auxiliary 500 structure of heating part with it is additional
Hot portion 300 is identical, and specific size can be adjusted.Auxiliary heating part 500 is outside the second cylinder 620 and close for being set in
Flange 630 is used to heat the second cylinder 620, reduces heat affected area radiating rate, and temperature satisfaction in heat affected area is wanted
It asks, improves thermal treatment quality.
Furthermore it is preferred that being disposed with thermocouple in the heat affected area of each heating part middle section and weld seam 640.Fig. 7 is
Temperature measurement location distribution map in the embodiment of the present invention, Fig. 8 are the distribution map of temperature measurement location temperature measuring point 700 in the embodiment of the present invention, respectively
Temperature measurement location is circumferentially evenly arranged in inside and outside heat affected area, and a, b, c, d, e, f, g, h represent different temperature measurement locations.It is preferred that
2-4 temperature measuring point 700 can be set in each temperature measurement location in ground, as shown in figure 8, each temperature measurement location has 3 temperature measuring points 700 respectively,
Each temperature measuring point 700 lays 1 thermocouple, and several thermocouple cloth are uniformly distributed in weld seam along the first tubular axis on the outside of weld seam
On, several thermocouple cloth are uniformly distributed on weld seam and weld seam two sides along the first tubular axis on the inside of weld seam.Preferably, heating tape
Temperature is warming up to 635 DEG C ± 30 DEG C from environment temperature with the heating rate of 80-100 DEG C/h, soaking time: 2-3h, each temperature measuring point
Temperature deviation is then to be cooled down within ± 15 DEG C with the speed of 120-140 DEG C/h.The temperature number measured by each thermocouple
Control system is fed back to when factually, and generates actual temperature curve, and actual temperature curve is compared with preset temperature curve pair, such as partially
Difference exceeds preset value, and control system is automatically adjusted the temperature of heat treatment, and heating tape regional temperature is met the requirements, and improves heat
Handle quality.
The present embodiment provides a kind of weld seam heat treatment methods, have used above-mentioned annealing device to above-mentioned flange welding
Structure 600 is heat-treated, and method includes:
S1, interior heating part 200, external heat portion 300, compensation heating part 400 and auxiliary heating part 500 are assembled,
Including various heating plates are fixed by bolts in corresponding fixed plate.After the completion of bolt is fixed using steel band by heating plate and
Fixed plate is tied tight fixation.
S2, interior heating part 200 is placed in inside the first cylinder 610, is made in interior heating plate 220 and the first cylinder 610
Weld seam 640 nearby fits, and the placement location of interior heating part 200 should fully ensure that the heat affected area (weld seam around weld seam 640
640 heat affected area width meets the requirement of heat treatment for the temperature of 640 or so 10-20mm of weld seam).Optionally, interior heating plate
220 setting position should include at 630 heavy wall of 640 heat affected area of weld seam and flange and at the second cylinder of part 620.It is preferred that
Ground, the side weld 640 with flange 630 have the side of flange 630 and the 220 axial length ratio of interior heating plate of its other side
Example is 2:1, and inside and outside heating part 300 aligns in the side that weld seam 640 does not have flange 630, reduces heat affected area heat dissipation speed
Degree, heat affected area temperature are met the requirements, and improve thermal treatment quality.It compensates heating part 400 and is bonded the first cylinder 610 and flange
630 junction and part flange 630.By adjusting the angle of heating sheet 420, make heating sheet 420 and flange 630 and cylinder
Body junction is sufficiently bonded, and eliminates heating gap and dead angle.In addition, auxiliary heating part 500 is sheathed on the second cylinder 620, with
The distance of flange 630 should approach as far as possible, optionally, distance be no more than 5cm and with fitted closely at heavy wall, to 630 heavy wall of flange
Place is heated, and generates undesirable heating effect to heat affected area heat absorption to avoid thicker cylinder.
After the completion of S3, each heating part are laid with, the incubator 100 of flange welding structure 600 of each heating part will be equipped with
Cladding, is coated the weld seam 640 of flange welding structure 600 and flange 630 with incubator 100, the first cylinder 610 and the second cylinder
620 stretch out from the first opening 102 and the second 104 parts of opening respectively.Optionally, weldering 640 is centrally disposed in incubator 100
Then buckle 130 on 100 shell of incubator is fastened, realizes closed fixation by center.
S4, the inside that first partition 110 is placed on to the first cylinder 610, second partition 120 are placed on the second cylinder 620
Inside, the spacing of two panels thermal-insulation baffle plate, which should meet, includes entire heating zone.Optionally, inside and outside partition with heat preservation
It aligns inside and outside 100 shell of case.
Thermal insulation material is filled in gap 430 between two partitions and corresponding cylinder, realize partition and incubator 100 it
Between sealing thermal insulation, improve insulating efficiency.
S5, energization are heated and are kept the temperature to workpiece.
Annealing device is removed after the completion of S6, heat treatment.
In conclusion the annealing device of the embodiment of the present invention, for being heat-treated to product, product includes axial connects
The first component and second component connect, first component include the first cylinder axially connecting with second component, and two components combine
Place has weld seam, and annealing device includes for heating interior heating part inside and outside weld seam and external heat portion and compensation heating
Portion.Epitaxy part is provided on first cylinder and/or second component, compensation heating part can compensate heating to epitaxy part.By
Material is thicker at epitaxy part, is easy to absorb more heat transfer therefore compensate heating part to carry out heating compensation to it, so that entire weldering
The heat treatment of binding structure is more uniform sufficiently.Due to using electrically heated form, heat treatment operation is simple, time saving and energy saving.
Weld seam heat treatment method disclosed by the embodiments of the present invention, carries out using above-mentioned annealing device to welding structure
It is heat-treated, epitaxy part is heated in compensation heating part, and epitaxy part is located in incubator.The method makes at entire Product jointing
Heat treatment it is more uniform sufficiently.Due to using electrically heated form, heat treatment operation is simple, time saving and energy saving.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of annealing device is heat-treated for the binding site to product, the product includes first component and
Two components, the first component include the first cylinder, and first cylinder and the second component are axially combined, and described first
The binding site of body and second component has weld seam, which is characterized in that the annealing device includes:
It is set to the interior heating part on the inside of the weld seam；
It is set to the external heat portion on the outside of the weld seam；
Heating part is compensated, is provided with epitaxy part on first cylinder and/or the second component, the compensation heating part can
Heating is compensated to the epitaxy part；
The interior heating part, external heat portion, compensation heating part are equipped with for providing the heating element of heat.
2. annealing device according to claim 1, it is characterised in that:
The interior heating part includes the first fixed plate and the heating element that is set in first fixed plate；
The external heat portion includes the second fixed plate and the heating element that is set in second fixed plate；
The heating element that the compensation heating part includes third fixed plate and is set in the third fixed plate.
3. annealing device according to claim 1, it is characterised in that:
The annealing device further includes incubator and partition, and the binding site of the product is set in the incubator,
The incubator is provided with opening, and the partition is arranged at the opening.
4. annealing device according to claim 3, it is characterised in that:
The first component and/or second component stretch out in incubator, the first component and/or from the heat preservation box opening
The part that two components stretch out in incubator has inner cavity, and the partition is set in the inner cavity.
5. annealing device according to claim 1, it is characterised in that:
The interior heating part, external heat portion and compensation heating part are bonded the engaging portion of the product.
6. annealing device according to any one of claims 1-5, it is characterised in that:
The second component is provided with epitaxy part, and the epitaxy part is flange, and first cylinder is located at the side of the flange.
7. annealing device according to claim 6, it is characterised in that:
Described compensation heating part one end is provided with opening, and the openings of sizes is adjustable.
8. annealing device according to claim 6, it is characterised in that:
The compensation heating part is connected with external heat portion, and the compensation heating part includes that the whole third being arranged in a ring is fixed
Plate.
9. annealing device according to claim 6, it is characterised in that:
The second component is the second cylinder, and second cylinder is set to the another of the flange relative to first cylinder
Side, the annealing device further include auxiliary heating part, and the auxiliary heating part is for heating second cylinder.
10. a kind of weld seam heat treatment method, is heat-treated the binding site of product, the product includes successively axial connection
The first cylinder and be provided with the second cylinder of flange, the binding site has the weldering circumferentially extended around first cylinder
Seam, it is characterised in that:
The weld seam heat treatment method includes carrying out hot place to the product using annealing device as claimed in claim 9
Reason, the compensation heating part are bonded the flange and heat to the flange, and the flange is located in incubator, and the auxiliary adds
Hot portion is bonded the second cylinder inside and or outside and heats to second cylinder；
The external heat portion and the interior heating part cover the weld seam and to the weldering from outer, the interior two sides of the weld seam respectively
Seam heating.
11. weld seam heat treatment method according to claim 10, it is characterised in that:
The interior heating part and the external heat portion cover heating tape, the heating tape size upward in first drum shaft
C are as follows:
Wherein, R is the radius of first cylinder, and w is weld width, and t is the wall thickness of first cylinder；The interior heating part
It is not less than C with size of the external heat portion in the axial direction of first cylinder.
12. weld seam heat treatment method according to claim 11, which is characterized in that the incubator is tubular, the guarantor
The axial direction of incubator is axial consistent with first cylinder；The length D of the incubator in the axial direction meets:
Wherein, R is the radius of first cylinder, and t is the wall thickness of first cylinder, and C is the heating tape described first
The upward size of drum shaft.
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| CN111055055A (en) * | 2020-01-14 | 2020-04-24 | 凉山中水恒岳新能源装备有限公司 | A kind of cylindrical inner wall circumferential seam welding heating device |
| CN111286597A (en) * | 2020-03-20 | 2020-06-16 | 中国石油大学(华东) | Main and auxiliary heating control residual stress local heat treatment method |
| CN111411213A (en) * | 2020-03-16 | 2020-07-14 | 甘肃电投常乐发电有限责任公司 | Simultaneous electric induction heat treatment process for inner and outer walls of butt weld of plug valve |
| CN111761260A (en) * | 2020-06-10 | 2020-10-13 | 湖南顶立科技有限公司 | Heating device for spherical shell |
| CN115948647A (en) * | 2023-02-10 | 2023-04-11 | 中建五洲工程装备有限公司 | Heat treatment equipment for on-site butt weld of U rib of steel box girder top plate |
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| CN115948647B (en) * | 2023-02-10 | 2023-07-18 | 中建五洲工程装备有限公司 | Heat treatment equipment for on-site butt welding seam of U rib of top plate of steel box girder |
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| CN109777943B (en) | 2024-11-22 |
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Denomination of invention: A heat treatment device and a weld seam heat treatment method Granted publication date: 20241122 Pledgee: China Construction Bank Corporation Gaomi sub branch Pledgor: HIMILE MECHANICAL MANUFACTURING Co.,Ltd. Registration number: Y2025980038238 |
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