CN207616090U - The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe - Google Patents
The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe Download PDFInfo
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- CN207616090U CN207616090U CN201721876759.1U CN201721876759U CN207616090U CN 207616090 U CN207616090 U CN 207616090U CN 201721876759 U CN201721876759 U CN 201721876759U CN 207616090 U CN207616090 U CN 207616090U
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Abstract
The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe.Inclined pipe is all the processing and manufacturing of single piece rough figure, using mechanical processing, flame gas cutting even carbon arc air gouging removal inclined pipe lower end inclined-plane surplus, processing clout is more, waste of material is big, manufacturing expense is high etc..The utility model composition includes pairs of jacking structural body, the both ends of pairs of jacking structure are inclined pipes, the length of pairs of jacking structure is inclined pipe longest bus-bar, the sum of the most short busbar of inclined pipe and 2 times of blank allowance three's length, blank allowance is unilateral 1 5mm, there is beveling and cutting line inside and outside two inclined pipe bottom ends among pairs of jacking structure, part inside and outside two inclined pipe bottom ends folded by beveling and cutting line is the inclined pipe cutting gap of pairs of jacking structure, inclined pipe gap center cutting line is between beveling and cutting line inside and outside two inclined pipe bottom ends, and it is consistent with beveling and cutting wire shaped inside and outside inclined pipe bottom end.The utility model is applied to the pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe.
Description
Technical field：
The utility model is related to the pairs of jacking structures of a kind of boiler and pressure vessel heavy caliber thick wall inclined pipe.
Background technology：
In the bearing devices such as boiler and pressure vessel, heavy caliber thick wall inclined pipe or tangential pipe, beveling pipe are often had
（Abbreviation inclined pipe）The shells such as main pressurized element and end socket or cylinder mutually weld；Inclined pipe have emplacement type, plug-in type, it is embedded or
It is the flange form with screw hole.Since mitered tube hub line and drum surface out of plumb, its center line are in circumferential or longitudinal presence
Certain inclination angle, other than partial insertion formula inclined pipe lower face and the take over central axis, usual lower face is and takes over
Inclined-plane or scarf, skew surface of heart line out of plumb etc..For a long time, inclined pipe be all single piece rough figure or order G- Design,
Blanking or buying and processing and manufacturing, particularly with the big mouth of high-grade forging or the steel high pressure seamless pipe manufacture of high pressure bearing device
Diameter heavy wall inclined pipe, using mechanical processing, flame gas cutting even carbon arc air gouging（It can not gas cutting material for F91, F92, P91, P92
Material）Inclined pipe lower end inclined-plane surplus is removed, processing clout is more, waste of material is big, manufacturing expense is high, low production efficiency, environment are dirty
Dye etc..The bearing devices such as boiler and pressure vessel manufacturing enterprise heavy caliber thick wall inclined pipe design structure and manufacturing technology is caused to fall
Afterwards, manufacturing expense height, deficiency in economic performance.
Such as a pair of of emplacement type inclined pipe on certain ultra-supercritical boiler steam-water separator cylinder, as seen in figs. 5-6, certain is super
Boilers steam-water separator, inclined pipe every 2, opposite 1150 cylinders of φ are arranged symmetrically, material alloys steel SA-182F12
IV grade of forging, groove position line outwardly deploying figure inside and outside inclined pipe（Figure omits）.
By previous convention, inclined pipe is designed forging blank figure and is carried in the outer purchasing and merging factory of material and processed by single-piece cylindrical forged piece, is seen
Fig. 4.According to groove position line outwardly deploying figure inside and outside inclined pipe, inclined pipe maximum length is 838mm, and surfaces externally and internally and
The unilateral 1-5mm of length blank allowance, single-piece inclined pipe forging blank figure length 848mm, outer diameter 610mm, internal diameter 300mm, single-piece
1475 kilograms of quality.
Slope a kind of horse raised north of the Grean Wall saddle surface surplus is big, high material consumption, wastes greatly.Technical process is：Inclined pipe is forged by Fig. 4
Part single piece rough order figure buying → ultrasound examination → vehicle whole, lower end groove do not process → Magnetic testing → and draw four centers
Line, incline position line → numerical control boring and milling roughing inclined-plane major part surplus → numerical control boring and milling finish bevel groove → groove magnetic powder
Detect → wait for general assembly.
Utility model content：
In order to overcome the above problem of the existing technology, the purpose of this utility model is to provide a kind of boiler and pressure is held
The pairs of jacking structure of device heavy caliber thick wall inclined pipe.
Above-mentioned purpose is realized by following technical scheme：
A kind of pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe, composition include：Pairs of jacking
The both ends of structural body, the pairs of jacking structure are inclined pipes, the length of the pairs of jacking structure be inclined pipe most
The sum of the most short busbar of long busbar, inclined pipe and 2 times of blank allowance three's length, the blank allowance is unilateral 5mm, described
With beveling and cutting line inside and outside two inclined pipe bottom ends among pairs of jacking structure, groove inside and outside the inclined pipe bottom end described in two
Part folded by cutting line is the inclined pipe cutting gap of pairs of jacking structure, and inclined pipe gap center cutting line is described in two
Inclined pipe bottom end inside and outside between beveling and cutting line, and it is consistent with beveling and cutting wire shaped inside and outside the inclined pipe bottom end.
The beneficial effects of the utility model：
1. the utility model is in the case where meeting standard, design, manufacture and requirement, autonomous innovation boiler and pressure
The production method of force container heavy caliber thick wall inclined pipe, will inclined pipe single piece rough design for a long time in the past, blanking or buying,
The design structure and manufacturing method of processing innovated, and utility model inclined pipe blank drawing or order figure are in pairs or jacking is set
Meter, blanking or buying, processing method.
The utility model efficiently solves previous boiler and the design of pressure vessel heavy caliber thick wall inclined pipe single piece rough
The problems such as structure, blanking or buying and single, the big, deficiency in economic performance of waste of material of manufacturing method.Meeting standard, design, system
Under the premise made from requirement, by innovating utility model inclined pipe new design structure and manufacturing method, make boiler and pressure
Force container heavy caliber thick wall inclined pipe blank drawing or order G- Design structure, blanking or buying and manufacturing technology level, economic effect
Benefit is optimized and is improved.By the design knot of inclined pipe single piece rough figure or order G- Design, buying, processing for a long time in the past
Structure and manufacturing method are innovated, and utility model inclined pipe blank is in pairs or jacking design, blanking or buying, processing method.
Inclined pipe design and fabrication technology level, economic benefit is set to be innovated, optimized and improved.Technology is novel, it is practical, advanced, can
Row.Inclined pipe inclined-plane more tilts, diameter is bigger, the thicker utility model effect of wall thickness is better.
The pairs of Blank Design structure of the utility model inclined pipe reduces metal material than original single piece rough design structure
Consumption 15%；The pairs of design structure forging purchase quantity of inclined pipe reduces by 50% than original one-piece design structure；Inclined pipe is set in pairs
Count structural forging quantity reduces forging material physicochemical property experimental examination quantity 50% than original one-piece design structure；Inclined pipe at
476 kilograms of iron filings/every steam-water separator is reduced than original one-piece design structure to design structure or reduces by 952 kilograms of iron
Bits/every boiler；The pairs of design structure of inclined pipe saves inclined-plane surplus process tool, equipment, work than original one-piece design structure
When expense；The pairs of design structure of inclined pipe is greatly reduced surplus gas cutting, carbon arc air gouging, reconditioning etc. than original one-piece design structure and makes
At and environmental pollution.To sum up, the pairs of design structure of the utility model inclined pipe, buying and the original one-piece design knot of manufacturing method ratio
Structure more optimizes, is advanced, is economical, is efficient.
Description of the drawings：
Attached drawing 1 is the structural schematic diagram of the pairs of jacking structure of the utility model plug-in type inclined pipe.In figure, 1 is mitered
Pipe, 2 be inclined pipe lower end inclined-plane, and 3 divide for inclined pipe or cut tapered plane, and 4 be inclined pipe segmentation or cutting gap, inclined pipe
Divide or cut tapered plane 3 with inclined pipe and mutually disjoint in lower end inclined-plane 2.
Attached drawing 2 is the structural schematic diagram of the pairs of jacking structure of the utility model emplacement type inclined pipe.In figure, 5 be mitered
The outer contour of pipe blank.
Attached drawing 3 is the structural schematic diagram of the pairs of jacking structure of flange form inclined pipe of the utility model with screw hole.
Attached drawing 4 is the structural schematic diagram of the pairs of jacking structure of the embedded inclined pipe of the utility model.
Attached drawing 5 is the structural schematic diagram of a pair of of emplacement type inclined pipe on certain ultra-supercritical boiler steam-water separator cylinder.
Attached drawing 6 is the inclined pipe structural schematic diagram that attached drawing 5 is processed in a conventional manner.
Attached drawing 7 is the pairs of single piece rough figure of certain steam-water separator inclined pipe forging process.
Specific implementation mode：
Embodiment 1：
A kind of pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe, composition include：Pairs of jacking
The both ends of structural body, the pairs of jacking structure are inclined pipes, the length of the pairs of jacking structure be inclined pipe most
The sum of the most short busbar of long busbar, inclined pipe and 2 times of blank allowance three's length, the blank allowance is unilateral 1-5mm, described
Pairs of jacking structure among there is beveling and cutting line inside and outside two inclined pipe bottom ends, slope inside and outside the inclined pipe bottom end described in two
Part folded by mouth cutting line is the inclined pipe cutting gap of pairs of jacking structure, and inclined pipe gap center cutting line is in two institutes
Inside and outside the inclined pipe bottom end stated between beveling and cutting line, and with beveling and cutting wire shaped one inside and outside the inclined pipe bottom end
It causes.Blank allowance is to carry out secondary operation to the oblique bevel end of single inclined pipe along after the sawing of inclined pipe gap center cutting line
Allowance.
Embodiment 2：
The pairs of production method of the pairs of jacking structure of above-mentioned boiler and pressure vessel heavy caliber thick wall inclined pipe, it is to be processed
Inclined pipe blank length be two inclined pipes length, then carry out following steps successively：Ultrasound examination → vehicle is oblique
Outer shape → the Magnetic testing taken over → draw four center lines（Position busbar）, inclined pipe segmentation or cutting gap center line → saw
Bed sawing or flame gas cutting, segmentation 2 inclined pipes → processing bevel groove → groove Magnetic testing → wait for general assembly.
Embodiment 3：
The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe according to embodiment 1 or 2 and at
To production method, the inclined pipe of machine-shaping occurs, is mutually paired in pairs, jacking arrangement design, blanking or buying, processing；Tiltedly
Take over segmentation or the maximum figure that cutting tapered plane is inclined pipe lower end inclined-plane；Inclined pipe is divided or cutting gap is sawed using sawing machine
It cuts or Methods of OFC-A is split processing.Inclined pipe can be emplacement type can also be plug-in type, it is embedded or carry screw hole
Flange form.Inclined pipe blank drawing or order figure in pairs or jacking design, blanking or buying, machining manufacture make it is previous
Processing clout or waste material become a part for inclined pipe part material, hence it is evident that reduce material consumption and waste, increase economic efficiency
And production efficiency.
Embodiment 4：
The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe according to embodiment 1 or 2 or 3 and
Pairs of production method, as shown in fig. 7, according to groove position line outwardly deploying figure inside and outside inclined pipe, by process design and calculation,
CAD computer graphics and three-dimensional animation find out inclined pipe tapered plane angles and positions：Maximum length is 862mm, and minimum is long
Degree is 550mm, and surfaces externally and internally and length blank allowance are unilateral 5mm and two pieces inclined pipe jacking subdivided gap 10mm.Two
Part inclined pipe matches the blank drawing total length 1422mm of jacking, single-piece average length 711mm, 1237 kilograms of single-piece quality.Certain vapour
The technical process of the pairs of single piece rough of separator inclined pipe forging is：Inclined pipe is ordered goods by the pairs of blank of Fig. 5 forging schemes
Jacking buying → ultrasound examination → vehicle whole → Magnetic testing → draw four center lines, cut-off rule（Between inclined pipe is divided or is cut
Gap center line）The sawing of → sawing machine or flame gas cutting, segmentation 2 inclined pipes → processing bevel groove → groove Magnetic testing → wait for always
Dress.
Claims (1)
1. the pairs of jacking structure of a kind of boiler and pressure vessel heavy caliber thick wall inclined pipe, composition include：Pairs of jacking knot
Structure ontology, it is characterized in that：The both ends of the pairs of jacking structure are inclined pipes, and the length of the pairs of jacking structure is oblique
The sum of the most short busbar of take over longest bus-bar, inclined pipe and 2 times of blank allowance three's length, the blank allowance is unilateral 1-
5mm, pairs of jacking structure centre have beveling and cutting line inside and outside two inclined pipe bottom ends, the inclined pipe bottom described in two
Part folded by the inside and outside beveling and cutting line in end is the inclined pipe cutting gap of pairs of jacking structure, inclined pipe gap center cutting line
Between beveling and cutting line inside and outside the inclined pipe bottom end described in two, and with beveling and cutting line inside and outside the inclined pipe bottom end
Shape is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876759.1U CN207616090U (en) | 2017-12-28 | 2017-12-28 | The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876759.1U CN207616090U (en) | 2017-12-28 | 2017-12-28 | The pairs of jacking structure of boiler and pressure vessel heavy caliber thick wall inclined pipe |
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| CN207616090U true CN207616090U (en) | 2018-07-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262205A (en) * | 2018-09-14 | 2019-01-25 | 哈尔滨锅炉厂有限责任公司 | Monocline roll system adapter tube manufacturing method |
-
2017
- 2017-12-28 CN CN201721876759.1U patent/CN207616090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262205A (en) * | 2018-09-14 | 2019-01-25 | 哈尔滨锅炉厂有限责任公司 | Monocline roll system adapter tube manufacturing method |
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