CN107012312A - Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device - Google Patents
Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device Download PDFInfo
- Publication number
- CN107012312A CN107012312A CN201710431185.5A CN201710431185A CN107012312A CN 107012312 A CN107012312 A CN 107012312A CN 201710431185 A CN201710431185 A CN 201710431185A CN 107012312 A CN107012312 A CN 107012312A
- Authority
- CN
- China
- Prior art keywords
- oxygen
- eliminating device
- locking
- heat treatment
- terminating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- C21D1/68—Temporary coatings or embedding materials applied before or during heat treatment
- C21D1/70—Temporary coatings or embedding materials applied before or during heat treatment while heating or quenching
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
The invention discloses a kind of segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device, include outer armful of ring locking device of the periphery at oxygen-eliminating device terminating girth joint, the interior apical ring fastener of inner circumferential at oxygen-eliminating device terminating girth joint, locking support seat is set with interior apical ring fastener, locking support seat periphery is disposed with some retractable support arms, and the end of each retractable support arm is born against on the inner surface of interior apical ring fastener；Ring locking device is embraced outside to be fixed the heater and heat-preservation cotton located at oxygen-eliminating device commissure outer surface, interior apical ring fastener located at the heat-preservation cotton of oxygen-eliminating device commissure inner surface to being fixed, the outer ring locking device and the setting of interior apical ring fastener embraced realizes the inside and outside insulation simultaneously in oxygen-eliminating device commissure, avoid that the oxygen-eliminating device terminating girth joint heat treatment thermal loss that insulation is caused only on the outside of weld seam is too fast, the excessive difficult phenomenon of heat treatment heating caused of internal-external temperature difference, be favorably improved construction quality, shorten the duration.
Description
Technical field
The present invention relates to oxygen-eliminating device terminating girth joint technical field of heat treatment, more particularly to a kind of segmented oxygen-eliminating device terminating
Girth joint heat treatment auxiliary device.
Background technology
With the adjustment of national energy structure, China greatly develops cleaner power sources, and nuclear power and Large Copacity fired power generating unit will be
The main direction of national structure adjustment of power source from now on.With the continuous increase of unit parameter, the volume of oxygen-eliminating device constantly increases, and is
It is easy to oxygen-eliminating device to transport and lift, oxygen-eliminating device is divided to two sections of supplies of material, needs scene to carry out welding heat treatment.
Current prior heat treatment mode is heat-treated using colligation heater outside weld bond with insulation, and heater uses iron
Silk connection, external insulation cotton is fixed using iron wire colligation.It is heat-treated using which, the colligation heat-preservation cotton in heating process
The increase of iron wire plasticity, heater and heat-preservation cotton can be sagging because of the generation of self gravitation reason, easily cause oxygen-eliminating device bottom heat-preservation cotton without
Method is closely sturdy with weld seam, directly affects oxygen-eliminating device heat treatment first-time qualification rate.And because space is too big inside oxygen-eliminating device, only
Outside is incubated, heat scatters and disappears too fast, causes internal-external temperature difference larger, while being heat-treated, heating is difficult, and influence is heat-treated matter
Amount.
In summary, nuclear power station two-part oxygen-eliminating device volume is big, terminating girth joint is long, and it is always in constructing that it, which is heat-treated,
Main points and difficult point.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, can effectively improve segmented oxygen-eliminating device terminating girth joint
Thermal treatment quality, saves the segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device of construction cost.
In order to solve the above technical problems, the technical scheme is that：The heat treatment of segmented oxygen-eliminating device terminating girth joint is auxiliary
Help device, including at oxygen-eliminating device terminating girth joint periphery outer armful of ring locking device, at oxygen-eliminating device terminating girth joint
Locking support seat, the locking support seat periphery are set with the interior apical ring fastener of inner circumferential, the interior apical ring fastener
Some retractable support arms are disposed with, the end of each retractable support arm bears against the interior table in the interior apical ring fastener
On face.
As preferred technical scheme, the outer ring locking device of embracing includes the locking anchor ear of some arcs, the locking
Anchor ear two ends are respectively equipped with anchor ear docking facilities.
As preferred technical scheme, the locking anchor ear includes two arc holding arms be arrangeding in parallel, is embraced described in two
Arrangement is connected with support beam between tight arm, and the anchor ear docking facilities are respectively arranged on the two ends of the holding arm.
As preferred technical scheme, the anchor ear docking facilities include the butt-joint locking on the outside of the holding arm
Ear, locking hole is provided with through the butt-joint locking ear, and the clamping screw used cooperatively is provided with the locking hole.
As preferred technical scheme, the anchor ear docking facilities include the overlap joint set through the holding arm end
Hole, the overlap joint bolt used cooperatively is provided with the overlap joint hole.
As preferred technical scheme, the holding arm and the support beam are respectively set to flat iron structure.
As preferred technical scheme, locking support seat is set to the support tube of hollow structure, the support tube with
The interior apical ring fastener is coaxially disposed, and the support tube periphery is evenly equipped with the adapter sleeve for connecting the retractable support arm
Cylinder, the inwall of the branch sleeve is provided with interior connection screw thread.
As preferred technical scheme, the retractable support arm includes two steel pipes, the butt end difference of steel pipe described in two
Provided with connection screw thread, and the connection screw thread described in two on steel pipe is oppositely arranged, and spiral shell is connected between steel pipe described in two
Line adjusts joint.
As the improvement to above-mentioned technical proposal, the interior apical ring fastener holds out against bracket including some arcs；Institute
Include the support top arm of two arcuate structures if stating and holding out against bracket, arrangement is connected with buttress brace between top arm is supported described in two, described
Retractable support arm end is resisted against the middle part of the buttress brace.
By adopting the above-described technical solution, segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device, including located at
Outer armful of ring locking device of periphery at oxygen-eliminating device terminating girth joint, the interior apical ring fastening of inner circumferential at oxygen-eliminating device terminating girth joint
Locking support seat is set with device, the interior apical ring fastener, the locking support seat periphery is disposed with some flexible branch
Brace, the end of each retractable support arm is born against on the inner surface of the interior apical ring fastener；The present invention's has
Beneficial effect is：Ring locking device is embraced outside to be fixed the heater and heat-preservation cotton located at oxygen-eliminating device commissure outer surface,
Interior apical ring fastener to being fixed located at the heat-preservation cotton of oxygen-eliminating device commissure inner surface, outside embrace ring locking device with it is interior
The setting of apical ring fastener realizes the inside and outside insulation simultaneously in oxygen-eliminating device commissure, and makes the heater and heat-preservation cotton of inside and outside setting
Can be closely sturdy with weld seam, it is to avoid the oxygen-eliminating device thermal loss that only outer side weld insulation is caused is too fast, internal-external temperature difference mistake
The difficult phenomenon of heat treatment heating caused greatly, helps to lift the quality of oxygen-eliminating device weld seam heat treatment, it is ensured that oxygen-eliminating device weld seam heat
Processing disposably handles qualified, improves construction quality, shortens the duration.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of locking anchor ear of the embodiment of the present invention and anchor ear docking facilities；
Fig. 3 is the structural representation of locking anchor ear of the embodiment of the present invention and another anchor ear docking facilities；
Fig. 4 is the overlap joint view of the section locking anchor ear of the embodiment of the present invention two；
Fig. 5 is the structural representation that the embodiment of the present invention holds out against bracket；
Fig. 6 is the structural representation of retractable support arm of the embodiment of the present invention；
In figure：1- oxygen-eliminating devices；2- heat-preservation cottons；3- locking supports seat；31- support tubes；32- branch sleeves；4- retractable supports
Arm；41- steel pipes；42- threaded adjusting joints；5- locks anchor ear；51- holding arms；52- support beams；6- butt-joint locking ears；7- is locked
Hole；8- clamping screws；9- overlaps hole；10- overlaps bolt；11- holds out against bracket；111- supports top arm；112- buttress braces.
Embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only explanation is passed through
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, described embodiment can be repaiied with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, are not intended to limit the scope of the claims.
As shown in figure 1, segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device, including located at the terminating ring of oxygen-eliminating device 1
Outer armful of ring locking device of commissure periphery, the outer ring locking device of embracing is to the outer surface at the terminating girth joint of oxygen-eliminating device 1
Heater and heat-preservation cotton 2 be fixed, located at the interior apical ring fastener of the junction inner circumferential of two oxygen-eliminating device 1, it is described in
Locking support seat 3 is set with apical ring fastener, 3 peripheries of locking support seat are disposed with some retractable support arms 4, each institute
The end for stating retractable support arm 4 is born against on the inner surface of the interior apical ring fastener, the interior apical ring fastener
The locking support seat 3 and the retractable support arm 4 is coordinated to realize to entering located at the heat-preservation cotton 2 of the commissure inner surface of oxygen-eliminating device 1
Row is fixed, and is finally realized and is incubated simultaneously inside and outside the commissure of oxygen-eliminating device 1 by above-mentioned technological means, and makes inside and outside setting
Heater and heat-preservation cotton 2 can be closely sturdy with weld seam, it is to avoid the heat that only outer side weld heat treatment is caused of oxygen-eliminating device 1 is damaged
The excessive difficult phenomenon of heat treatment heating caused of too fast, internal-external temperature difference is lost, helps to lift the matter of the weld seam of oxygen-eliminating device 1 heat treatment
Amount, it is ensured that the heat treatment of the weld seam of oxygen-eliminating device 1 disposably handles qualified, improves construction quality, shortens the duration.
As depicted in figs. 1 and 2, the outer ring locking device of embracing includes the locking anchor ear 5 of some arcs, the locking anchor ear
5 two ends are respectively equipped with anchor ear docking facilities.The locking anchor ear 5 includes two arc holding arms 51 be arrangeding in parallel, described in two
Arrangement is connected with support beam 52 between holding arm 51, and the anchor ear docking facilities are respectively arranged on the two ends of the holding arm 51.Root
Different according to the diameter of the oxygen-eliminating device 1, the appropriate number of locking anchor ear 5 is docked in selection, makes what is formed after docking
Ring body structurc is centered around the periphery of the weld of oxygen-eliminating device 1., it is necessary to utilize heater and insulation after oxygen-eliminating device 1 is welded
Cotton 2 is heat-treated to weld seam, when being heat-treated, and makes heater directly and bead contact, to prevent thermal loss, is adding
The outside of hot device, which is surrounded, sets one layer of heat preservation cotton 2, the locking anchor ear 5 docked by certain amount, it is possible to achieve will be incubated
Cotton 2 is mounted in the commissure of oxygen-eliminating device 1 with heater geometrical clamp.
As depicted in figs. 1 and 2, the anchor ear docking facilities include the butt-joint locking ear 6 located at the outside of holding arm 51,
Locking hole 7 is provided with through the butt-joint locking ear 6, the clamping screw 8 used cooperatively is provided with the locking hole 7, by described
Butt-joint locking ear 6 and the clamping screw 8, the locking anchor ear 5 being disposed adjacent is connected, and most multiple lockings are embraced at last
Bind round 5 head and the tail to be sequentially connected, make it that cyclic structure is integrally presented, realization is locked to heater and encircling for heat-preservation cotton 2, passed through
Above-mentioned technological means, makes to form " back-to-back type " connected mode between the holding arm 51.
It is another structure type of the anchor ear docking facilities as shown in Figure 3 and Figure 4, the anchor ear docking facilities include
The overlap joint hole 9 set through the end of holding arm 51, the overlap joint bolt 10 used cooperatively is provided with the overlap joint hole 9.Utilize
The overlap joint bolt 10 and the cooperation in the overlap joint hole 9 in the adjacent holding arm 51, realize the head of the holding arm 51
Tail is connected, and makes it that cyclic structure is integrally presented, and realization is locked to heater and encircling for heat-preservation cotton 2.It is described to hold tightly
Arm 51 and the support beam 52 are respectively set to flat iron structure, and the contact area between heat-preservation cotton 2 is big, and frictional force is big, is easy to
It is fixed, loosening phenomenon is prevented, by above-mentioned technological means, makes to form " bridging type " connection side between the holding arm 51
Formula.
As shown in figure 1, locking support seat 3 is set to the support tube 31 of hollow structure, the support tube 31 with it is described
Interior apical ring fastener is coaxially disposed, and the periphery of support tube 31 is evenly equipped with the adapter sleeve for connecting the retractable support arm 4
Cylinder 32, the inwall of the branch sleeve 32 is provided with interior connection screw thread.As shown in fig. 6, the retractable support arm 4 includes two steel
Pipe 41, the butt end of steel pipe 41 described in two is respectively equipped with connection screw thread, and the connection screw thread described in two on steel pipe 41 is reverse
Set, threaded adjusting joint 42 is connected between steel pipe 41 described in two.When in use, the steel pipe 41 is connected successively first
It is connected on the support tube 31, then the interior apical ring fastener is located to the commissure of the inwall of oxygen-eliminating device 1, the branch
Support cylinder 31 is inserted in the oxygen-eliminating device 1, makes both are concentric to set, by rotating the threaded adjusting joint 42, is realized described
Steel pipe 41 is held out against to the interior apical ring fastener.
After the locking support seat 3 is connected with the retractable support arm 4 installation, " rice " font structure is integrally presented in it,
The support tube 31 can be made using Φ 325 pipeline, this to ensure the uniform force of 1 internal insulation cotton of oxygen-eliminating device 2.
The regulation that the length of retractable support arm 4 can be achieved in the threaded adjusting joint 42 is rotated, it is held out against the interior apical ring tight
It is fixedly mounted with and puts, heat-preservation cotton 2 is brought into close contact with weld seam, to prevent the steel pipe 41 and the interior apical ring fastener loose contact,
Can the interior apical ring fastener surface soldered hold-down support.
As shown in figure 5, the interior apical ring fastener holds out against bracket 11 including some arcs, the bracket 11 that holds out against is wrapped
Arrangement is connected with buttress brace 112 between top arm 111 is supported if including the support top arm 111 of two arcuate structures, described in two, described flexible
The end of support arm 4 is resisted against the middle part of the buttress brace 112, can also it is described support top arm 111 two ends set with it is described
The anchor ear docking facilities are connected into ring body structurc, the reinforcement by the similar docking facilities of anchor ear docking facilities structure, realization
Beam 112 is also configured as flat iron structure, convenient to be contacted with the steel pipe 41., it is necessary to will be interior before the locking support seat 3 be installed
Apical ring fastener is fixed to the inner surface of the weld seam of oxygen-eliminating device 1.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device, it is characterised in that：Including located at oxygen-eliminating device terminating boxing
Outer armful of ring locking device of periphery at seam, the interior apical ring fastener of inner circumferential at oxygen-eliminating device terminating girth joint, the interior top
It is set with locking support seat in ring fastener, locking support seat periphery is disposed with some retractable support arms, it is each described to stretch
The end of contracting support arm is born against on the inner surface of the interior apical ring fastener.
2. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 1, it is characterised in that：It is described outer
Embracing ring locking device includes the locking anchor ear of some arcs, and the locking anchor ear two ends are respectively equipped with anchor ear docking facilities.
3. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 2, it is characterised in that：The lock
Hug hoop include between two arc be arrangeding in parallel holding arms, holding arm described in two arrange be connected with support beam, the anchor ear
Docking facilities are respectively arranged on the two ends of the holding arm.
4. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 3, it is characterised in that：Described armful
Binding round docking facilities includes the butt-joint locking ear on the outside of the holding arm, and locking hole is provided with through the butt-joint locking ear, with
The locking hole is provided with the clamping screw used cooperatively.
5. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 3, it is characterised in that：Described armful
The overlap joint hole that docking facilities include setting through the holding arm end is bound round, the overlap joint spiral shell used cooperatively is provided with the overlap joint hole
Bolt.
6. the segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as described in claim 4 or 5, it is characterised in that：Institute
State holding arm and the support beam is respectively set to flat iron structure.
7. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 6, it is characterised in that：The lock
Compact schemes seat is set to the support tube of hollow structure, and the support tube is coaxially disposed with the interior apical ring fastener, the branch
Support cylinder periphery is evenly equipped with the branch sleeve for connecting the retractable support arm, and the inwall of the branch sleeve is provided with interior connection
Screw thread.
8. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 7, it is characterised in that：It is described to stretch
Contracting support arm includes two steel pipes, and the butt end of steel pipe described in two is respectively equipped with connection screw thread, and described on steel pipe described in two
Connection screw thread is oppositely arranged, and threaded adjusting joint is connected between steel pipe described in two.
9. segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device as claimed in claim 8, it is characterised in that：In described
Apical ring fastener holds out against bracket including some arcs；
Arrangement is connected with reinforcement between top arm is supported if the bracket that holds out against includes the support top arm of two arcuate structures, described in two
Beam, the retractable support arm end is resisted against the middle part of the buttress brace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431185.5A CN107012312A (en) | 2017-06-08 | 2017-06-08 | Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710431185.5A CN107012312A (en) | 2017-06-08 | 2017-06-08 | Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107012312A true CN107012312A (en) | 2017-08-04 |
Family
ID=59452350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710431185.5A Pending CN107012312A (en) | 2017-06-08 | 2017-06-08 | Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device |
Country Status (1)
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|---|---|
| CN (1) | CN107012312A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109136522A (en) * | 2018-10-10 | 2019-01-04 | 中国电建集团山东电力建设第工程有限公司 | A kind of fixed device of steel construction post weld heat treatment |
| CN110640380A (en) * | 2019-10-31 | 2020-01-03 | 中国铁建重工集团股份有限公司 | Segmented steel pipe ring integral ring assembling tool and method |
| WO2024037271A1 (en) * | 2022-08-17 | 2024-02-22 | 东方电气(广州)重型机器有限公司 | Heating support device for welding seams between spherical sealing head and inner and outer surfaces of barrel, and heating device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB936972A (en) * | 1962-07-09 | 1963-09-18 | Kemwell A G | Device for use in the heat-treatment of welded pipes |
| JPH0665726B2 (en) * | 1985-07-05 | 1994-08-24 | 日産自動車株式会社 | Method for annealing welded portion of thin-walled container and cooling device used in this method |
| CN2898053Y (en) * | 2006-04-05 | 2007-05-09 | 西南铝业（集团）有限责任公司 | Aluminum-alloy forge ring unit against quenching formation |
| CN203409470U (en) * | 2013-03-22 | 2014-01-29 | 江苏鼎盛重工有限公司 | Pre-weld reshaping aid for large-sized steel cylinder |
| CN104818374A (en) * | 2015-04-24 | 2015-08-05 | 浙江长兴前进机械铸造有限公司 | Annular thin-wall casting hooping device |
| CN205933939U (en) * | 2016-08-23 | 2017-02-08 | 山西阳煤化工机械（集团）有限公司 | Inside strutting arrangement of local thermal treatment of pyrolysis gasification furnace equipment circumferential weld crawler -type |
| CN206768191U (en) * | 2017-06-08 | 2017-12-19 | 中国电建集团核电工程公司 | Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device |
-
2017
- 2017-06-08 CN CN201710431185.5A patent/CN107012312A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB936972A (en) * | 1962-07-09 | 1963-09-18 | Kemwell A G | Device for use in the heat-treatment of welded pipes |
| JPH0665726B2 (en) * | 1985-07-05 | 1994-08-24 | 日産自動車株式会社 | Method for annealing welded portion of thin-walled container and cooling device used in this method |
| CN2898053Y (en) * | 2006-04-05 | 2007-05-09 | 西南铝业（集团）有限责任公司 | Aluminum-alloy forge ring unit against quenching formation |
| CN203409470U (en) * | 2013-03-22 | 2014-01-29 | 江苏鼎盛重工有限公司 | Pre-weld reshaping aid for large-sized steel cylinder |
| CN104818374A (en) * | 2015-04-24 | 2015-08-05 | 浙江长兴前进机械铸造有限公司 | Annular thin-wall casting hooping device |
| CN205933939U (en) * | 2016-08-23 | 2017-02-08 | 山西阳煤化工机械（集团）有限公司 | Inside strutting arrangement of local thermal treatment of pyrolysis gasification furnace equipment circumferential weld crawler -type |
| CN206768191U (en) * | 2017-06-08 | 2017-12-19 | 中国电建集团核电工程公司 | Segmented oxygen-eliminating device terminating girth joint heat treatment auxiliary device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109136522A (en) * | 2018-10-10 | 2019-01-04 | 中国电建集团山东电力建设第工程有限公司 | A kind of fixed device of steel construction post weld heat treatment |
| CN109136522B (en) * | 2018-10-10 | 2023-09-15 | 中国电建集团山东电力建设第一工程有限公司 | Steel construction postweld heat treatment fixing device |
| CN110640380A (en) * | 2019-10-31 | 2020-01-03 | 中国铁建重工集团股份有限公司 | Segmented steel pipe ring integral ring assembling tool and method |
| CN110640380B (en) * | 2019-10-31 | 2023-06-02 | 中国铁建重工集团股份有限公司 | Integral ring assembling tool and method for segmented steel pipe ring |
| WO2024037271A1 (en) * | 2022-08-17 | 2024-02-22 | 东方电气(广州)重型机器有限公司 | Heating support device for welding seams between spherical sealing head and inner and outer surfaces of barrel, and heating device |
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Application publication date: 20170804 |