CN106051352B - A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting - Google Patents
A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting Download PDFInfo
- Publication number
- CN106051352B CN106051352B CN201610509351.4A CN201610509351A CN106051352B CN 106051352 B CN106051352 B CN 106051352B CN 201610509351 A CN201610509351 A CN 201610509351A CN 106051352 B CN106051352 B CN 106051352B
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- reducing tee
- pipeline
- mouth
- blank
- diameter
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- 238000005516 engineering process Methods 0.000 title claims abstract description 11
- 210000001161 mammalian embryo Anatomy 0.000 claims abstract description 27
- 230000005587 bubbling Effects 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000005476 soldering Methods 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910052685 Curium Inorganic materials 0.000 claims 1
- NIWWFAAXEMMFMS-UHFFFAOYSA-N curium atom Chemical compound [Cm] NIWWFAAXEMMFMS-UHFFFAOYSA-N 0.000 claims 1
- 208000007101 Muscle Cramp Diseases 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting, described large-scale pressure pipeline reducing tee pipe fitting, using SA3P35P91 superhigh temperature resistants pipeline as reducing tee embryo material, the external diameter of embryo material is more than maximum outside diameter in the middle part of reducing tee straight pipeline, length of stock adds required surplus according to the length of reducing tee straight pipeline, then blanking；Embryo material is put into preheating furnace, blank is taken out when preheating temperature is between 1000 °C 1050 °C, embryo material is put into compacting tool set material embryo flatten up and down, mould to be pressed is intraoral to be full of and is taken out after the shaping that reducing tee is completed during the bubbling of end, then cuts away the blank for the bubbling completion reducing tee for being in charge of road junction；In the intraoral increase slope cushion block of mould, to inwardly mending with cramps outside the mouth of straight pipeline and subtube, pressure carries out necking and the necking repeated is suppressed；The present invention alleviates the high pressure of big flow when pipeline is in controlled valve, avoids high pressure and corrodes the damage connect to pipe, increases the service life.
Description
Technical field
The present invention relates to the processing of the T joint of the pressure pipeline of large power generating equipment, especially a kind of large-scale pressure pipe
The processing technology of road reducing tee pipe fitting.
Background technology
At present, the T joint of the pressure pipeline of common large power generating equipment is cast member and pipeline welding part, and is cast
The tube wall crushing resistance of forging piece is relatively low, in addition tube wall frequent phase use, by high temperature, high pressure oxidation and erosion after, it is common to have gas
Phenomenon of osmosis is steeped, the quality of the T joint of pipeline welding part is unstable, and most of is weld seam phenomenon of osmosis, high-rating generator one
But it was found that the three-way pipe of pressure pipeline is connected to phenomenon of osmosis, in order to ensure safety in production, it is necessary to maintenance down；In addition, common three
The majority that siphunculus connects is straight tube, and three bores are identical, and resistance to pressure is low, and the flow of three bores is uneven；In view of the foregoing, it is existing
It is proposed a kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting.
The content of the invention
The invention aims to the T joint for the pressure pipeline for the overcoming existing large power generating equipment frequent phase to make
With, by high temperature, high pressure oxidation and erosion after, it is common to have bubble phenomenon of osmosis, the quality of the T joint of pipeline welding part
Unstable, most of is weld seam phenomenon of osmosis；The majority of common T joint is straight tube, and three bores are identical, and resistance to pressure is low, three
The flow of individual bore is uneven, by reasonably designing, there is provided a kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting,
Inventive pipeline can play the high pressure for alleviating big flow in controlled valve, so as to avoid high pressure and corrode to connect pipe to cause
Damage, increases the service life.
The present invention to achieve these goals, adopts the following technical scheme that：A kind of large-scale pressure pipeline reducing tee pipe fitting
Processing technology, described large-scale pressure pipeline reducing tee pipe fitting, be by compressing small interface, the big interface of compression, big mouth thickeies
Tube wall, osculum thicken tube wall, osculum outer tube diameter, mouth of pipe slope soldering opening, big mouth outer tube diameter, reducing tee composition；Reducing tee
The mouth of pipe at straight pipeline both ends set and compress small interface, be vertically arranged bigbore isocon in the middle part of the straight pipeline of reducing tee
Road, isocon road junction, which is set, compresses big interface, sets outer camber osculum to thicken tube wall in the middle part of straight pipeline, osculum thickeies the thickness of tube wall
Degree is arranged to the thin gradual change shape of the thick oral area in middle part, and the outer diameter tube for compressing small interface is arranged to osculum outer tube diameter, osculum outer tube diameter
External diameter corresponds to small gas pipeline outer wall and set, and straight pipeline oral area sets mouth of pipe slope soldering opening；Compress the outer diameter tube of big interface
Big mouth outer tube diameter is arranged to, root and the straight pipeline of shunt conduit set the big mouth of oblique wave type to thicken tube wall, and pipeline oral area is set
Mouth of pipe slope soldering opening；
Sorting, reducing tee is more than as reducing tee embryo material, the external diameter of embryo material using SA335P91 superhigh temperature resistants pipeline
Maximum outside diameter in the middle part of straight pipeline, length of stock add required surplus according to the length of reducing tee straight pipeline, then blanking；
During processing, the embryo material of reducing tee is put into preheating furnace, is taken out when preheating temperature is between 1000 DEG C -1050 DEG C
Blank, embryo material is put into compacting tool set material embryo flatten up and down, both ends extruding, both ends are carried out to embryo material after the completion of flattening
Extruding is full of to protrusion compacting tool set isocon road junction in the middle part of blank, mould to be pressed are intraoral and completes reducing three during the bubbling of end
Taken out after logical shaping, then cut away the blank for the bubbling completion reducing tee for being in charge of road junction；
When necking is processed, in the intraoral increase slope cushion block of mould, slope cushion block is after the intraoral positioning of mould；Change after flattening
The blank of footpath threeway is put into preheating furnace be preheated to 1000 DEG C -1050 DEG C again between when take out；Blank is put into compacting tool set
In, mould presses the compacting for carrying out necking by slope cushion block to inwardly mending with cramps outside the mouth of straight pipeline and subtube, in blank temperature
During less than 1000 DEG C stop compacting, take out blank be put into preheating furnace be preheated to 1000 DEG C -1050 DEG C again between when take out；Such as
This repetition after mould closes reality, completes the necking compacting of reducing tee oral area to the multiple compacting of blank；
Reducing tee necking completion carries out polishing to inner-walls of duct and repaiies embryo, and inwall puts threeway blank after carrying out polishing equating
Enter lathe positioning, the internal diameter and external diameter of Vehicle Processing necking after positioning, the internal diameter and external diameter of reducing tee necking correspond to gas pipeline
Internal diameter and external diameter Vehicle Processing；Equating is processed to the opening's edge portion of reducing tee after the completion of Vehicle Processing, opening's edge portion entered after equating
The soldering opening Vehicle Processing of row mouth of pipe slope, after mouth of pipe slope soldering opening completes Vehicle Processing, reducing tee is moved lower lathe, carried out next
Procedure.
The beneficial effects of the invention are as follows：The present invention, as reducing tee, passes through mould using SA335P91 superhigh temperature resistants pipeline
Tool is suppressed repeatedly, carries out both ends extruding after the completion of flattening to material embryo, and both ends, which are extruded to blank middle part mould to be pressed is intraoral, to be full of
With the shaping that reducing tee is completed during the bubbling of end, pipeline can play the high pressure for alleviating big flow in controlled valve, so as to
Avoid high pressure and corrode to connect pipe to cause to damage, moulding process is simple, efficiency high；Manufactured reducing tee is formed in one, sternly
Close property is good, non-leakage, energy-saving and emission-reduction, increases the service life and maintenance cycle.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is general assembly structural representation；
In Fig. 1：Small interface 1, the big interface 2 of compression are compressed, big mouth thickeies tube wall 3, osculum thickeies tube wall 4, osculum outer tube diameter
5th, mouth of pipe slope soldering opening 6, big mouth outer tube diameter 7, reducing tee 8.
Embodiment
The present invention is described in further detail with embodiment with reference to embodiment：
Embodiment 1
The mouth of pipe at the straight pipeline both ends of reducing tee 8, which is set, compresses small interface 1, vertical in the middle part of the straight pipeline of reducing tee 8
Bigbore shunt conduit is set, and isocon road junction, which is set, compresses big interface 2, and outer camber osculum extra strong pipe is set in the middle part of straight pipeline
Wall 4, the thickness that osculum thickeies tube wall 4 are arranged to the thin gradual change shape of the thick oral area in middle part, and the outer diameter tube for compressing small interface 1 is arranged to
Osculum outer tube diameter 5, the external diameter of osculum outer tube diameter 5 correspond to small gas pipeline outer wall and set, and straight pipeline oral area sets the welding of mouth of pipe slope
Mouth 6；The outer diameter tube for compressing big interface 2 is arranged to big mouth outer tube diameter 7, and root and the straight pipeline of shunt conduit set oblique wave type
Big mouth thickeies tube wall 3, and pipeline oral area sets mouth of pipe slope soldering opening 6；
Sorting, reducing tee is more than as the embryo material of reducing tee 8, the external diameter of embryo material using SA335P91 superhigh temperature resistants pipeline
Maximum outside diameter in the middle part of 8 straight pipelines, length of stock add required surplus according to the length of the straight pipeline of reducing tee 8, then blanking；
During processing, the embryo material of reducing tee 8 is put into preheating furnace, is taken when preheating temperature is between 1000 DEG C -1050 DEG C
Go out blank, embryo material be put into compacting tool set to material embryo carry out up and down flatten, after the completion of flattening to embryo material carry out both ends extruding, two
End extruding is full of to protrusion compacting tool set isocon road junction in the middle part of blank, mould to be pressed are intraoral and completes reducing during the bubbling of end
Taken out after the shaping of threeway 8, then cut away the blank for the bubbling completion reducing tee 8 for being in charge of road junction；
Embodiment 2
When necking is processed, in the intraoral increase slope cushion block of mould, slope cushion block is after the intraoral positioning of mould；Change after flattening
The blank of footpath threeway 8 is put into preheating furnace be preheated to 1000 DEG C -1050 DEG C again between when take out；Blank is put into compacting tool set
In, mould presses the compacting for carrying out necking by slope cushion block to inwardly mending with cramps outside the mouth of straight pipeline and subtube, in blank temperature
During less than 1000 DEG C stop compacting, take out blank be put into preheating furnace be preheated to 1000 DEG C -1050 DEG C again between when take out；Such as
This repetition after mould closes reality, completes the necking compacting of the oral area of reducing tee 8 to the multiple compacting of blank；
Embodiment 3
The necking of reducing tee 8 is completed to carry out inner-walls of duct polishing to repair embryo, and inwall is carried out after polishing equating threeway blank
Lathe positioning is put into, the internal diameter and external diameter of Vehicle Processing necking after positioning, the internal diameter and external diameter of the necking of reducing tee 8 correspond to appendix
Road internal diameter and external diameter Vehicle Processing；Equating is processed to the opening's edge portion of reducing tee 8 after the completion of Vehicle Processing, to opening's edge portion after equating
The Vehicle Processing of mouth of pipe slope soldering opening 6 is carried out, after mouth of pipe slope soldering opening 6 completes Vehicle Processing, reducing tee 8 is moved lower lathe, entered
Row next process.
Claims (3)
1. a kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting, described large-scale pressure pipeline reducing tee pipe fitting,
It is that big mouth thickeies tube wall (3), osculum thickeies tube wall (4), osculum outer tube diameter by compressing small interface (1), the big interface (2) of compression
(5), mouth of pipe slope soldering opening (6), big mouth outer tube diameter (7), reducing tee (8) are formed；It is characterized in that：Reducing tee (8)
The mouth of pipe at straight pipeline both ends, which is set, compresses small interface (1), and bigbore shunting is vertically arranged in the middle part of the straight pipeline of reducing tee (8)
Pipeline, isocon road junction, which is set, compresses big interface (2), sets outer camber osculum to thicken tube wall (4) in the middle part of straight pipeline, osculum thickeies
The thickness of tube wall (4) is arranged to the thin gradual change shape of the thick oral area in middle part, and the outer diameter tube for compressing small interface (1) is arranged to osculum outer tube
Footpath (5), osculum outer tube diameter (5) external diameter correspond to small gas pipeline outer wall and set, and straight pipeline oral area sets mouth of pipe slope soldering opening
(6)；The outer diameter tube for compressing big interface (2) is arranged to big mouth outer tube diameter (7), and root and the straight pipeline of shunt conduit set oblique wave
The big mouth of type thickeies tube wall (3), and pipeline oral area sets mouth of pipe slope soldering opening (6)；
Sorting, reducing tee is more than as reducing tee (8) embryo material, the external diameter of embryo material using SA335P91 superhigh temperature resistants pipeline
(8) maximum outside diameter in the middle part of straight pipeline, length of stock add required surplus according to the length of reducing tee (8) straight pipeline, then blanking；
During processing, the embryo material of reducing tee (8) is put into preheating furnace, is taken out when preheating temperature is between 1000 DEG C -1050 DEG C
Blank, embryo material is put into compacting tool set material embryo flatten up and down, both ends extruding, both ends are carried out to embryo material after the completion of flattening
Extruding is full of to protrusion compacting tool set isocon road junction in the middle part of blank, mould to be pressed are intraoral and completes reducing three during the bubbling of end
Taken out after the shaping of logical (8), then cut away the blank for the bubbling completion reducing tee (8) for being in charge of road junction.
A kind of 2. processing technology of large-scale pressure pipeline reducing tee pipe fitting according to claim 1, it is characterised in that：Contracting
During mouth processing, in the intraoral increase slope cushion block of mould, slope cushion block is after the intraoral positioning of mould；Reducing tee (8) after flattening
Blank be put into preheating furnace be preheated to 1000 DEG C -1050 DEG C again between when take out；Blank is put into compacting tool set, mould
By slope cushion block to inwardly curium pressure carries out the compacting of necking outside the mouth of straight pipeline and subtube, it is less than 1000 in blank temperature
DEG C when stop compacting, take out blank be put into preheating furnace be preheated to 1000 DEG C -1050 DEG C again between when take out；So repeat
To the multiple compacting of blank, after mould closes reality, the necking compacting of reducing tee (8) oral area is completed.
A kind of 3. processing technology of large-scale pressure pipeline reducing tee pipe fitting according to claim 1, it is characterised in that：Become
Footpath threeway (8) necking is completed to carry out inner-walls of duct polishing to repair embryo, and inwall carries out that threeway blank is put into lathe after polishing equating
Positioning, the internal diameter and external diameter of Vehicle Processing necking after positioning, the internal diameter and external diameter of reducing tee (8) necking correspond to gas pipeline internal diameter
With external diameter Vehicle Processing；Equating is processed to the opening's edge portion of reducing tee (8) after the completion of Vehicle Processing, opening's edge portion carried out after equating
The mouth of pipe slope soldering opening (6) Vehicle Processing, after mouth of pipe slope soldering opening (6) completes Vehicle Processing, reducing tee (8) is moved lower lathe,
Carry out next process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509351.4A CN106051352B (en) | 2016-06-30 | 2016-06-30 | A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610509351.4A CN106051352B (en) | 2016-06-30 | 2016-06-30 | A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting |
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| Publication Number | Publication Date |
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| CN106051352A CN106051352A (en) | 2016-10-26 |
| CN106051352B true CN106051352B (en) | 2017-12-26 |
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| CN201610509351.4A Active CN106051352B (en) | 2016-06-30 | 2016-06-30 | A kind of processing technology of large-scale pressure pipeline reducing tee pipe fitting |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108302273A (en) * | 2018-03-23 | 2018-07-20 | 嘉兴市乍浦杭湾重型机械有限公司 | A kind of corrosion-resistant high rigidity threeway forging |
| CN108758142B (en) * | 2018-06-28 | 2024-03-19 | 江阴市天柠管道有限公司 | Main pipe reducing tee joint and production process thereof |
| CN108843866A (en) * | 2018-08-01 | 2018-11-20 | 江苏新恒基特种装备股份有限公司 | A kind of connection method of high-temperature service adapter tube |
| CN112082029A (en) * | 2020-09-18 | 2020-12-15 | 中国航发四川燃气涡轮研究院 | Joint |
| CN113339612A (en) * | 2021-06-07 | 2021-09-03 | 中山中舟海洋科技有限公司 | Reducing three-way hose joint and processing technology thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE225010T1 (en) * | 1998-03-13 | 2002-10-15 | Gates Corp | MOLDED HOSE COUPLING ARRANGEMENT |
| ATE348976T1 (en) * | 2004-08-12 | 2007-01-15 | Advanced Fluid Connections Plc | METHOD FOR PRODUCING A PRESS CONNECTION ASSEMBLY, TOOL FOR DEFORMING INTERMATCHING THREADS OF A PRESS CONNECTION ARRANGEMENT, AND PRESS CONNECTION ARRANGEMENT |
| CN104373721B (en) * | 2014-09-03 | 2017-04-12 | 江苏天毅冷镦股份有限公司 | Integrated spherical hydraulic hose metal joint structure and production process thereof |
| CN105033142B (en) * | 2015-07-10 | 2017-06-27 | 河南光大管业有限公司 | The compacting tool set and pressing process of a kind of hubbed flange |
| CN105114740B (en) * | 2015-09-28 | 2017-08-25 | 成都贝根管道科技有限公司 | Preparation method for lining plastic Steel triplet pipe fitting |
| CN205118545U (en) * | 2015-11-17 | 2016-03-30 | 天津市包尔科密封件有限责任公司 | Technology tee bend is pressed in oil gas pipeline area |
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2016
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| CN106051352A (en) | 2016-10-26 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zong Junwei Inventor after: Zhang Hui Inventor after: Fan Guo Inventor before: Zong Junwei Inventor before: Fan Guo Inventor before: Wang Hongxuan |
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