CN205841810U - Extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve - Google Patents
Extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve Download PDFInfo
- Publication number
- CN205841810U CN205841810U CN201620663577.5U CN201620663577U CN205841810U CN 205841810 U CN205841810 U CN 205841810U CN 201620663577 U CN201620663577 U CN 201620663577U CN 205841810 U CN205841810 U CN 205841810U
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- China
- Prior art keywords
- pipe arrangement
- self sealss
- welding
- valve
- extra
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- 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.)
- Withdrawn - After Issue
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Abstract
This utility model relates to a kind of extra-high voltage and adds pipe arrangement hard self sealss forging welding end choke valve；It is characterized in that: it includes 12Cr1MoV material valve body, it is characterised in that: the import at 12Cr1MoV material valve body connects the pipe arrangement of a WB36 dissimilar steel material, and its mouth structure is: lower floor is welding wire R31 bottoming, and upper strata is welding rod R337 capping.This programme solves valve sealing face zero seepage, improves flap and the anti-cavitation of valve seat and the ability of antiscour, improves overall performance and the use of valve；Also solve the technological problems that welding performance is poor simultaneously, grasp the core technology in welding process, form the technological specification with oneself characteristic, it is thus achieved that considerable economic benefit, meet applying working condition.
Description
Technical field
This utility model relates to a kind of throttle, is related specifically to use that special material matter makes with pipe arrangement valve
Door.
Background technology
Along with the development of China's thermoelectricity cause, the utilization of extra-high voltage fired power generating unit gets more and more, and WB36 material is with it
Excellent performance important function.Valve inlet adds a pipe arrangement, plays the effect saving the energy.
During 12Cr1MoV valve body with WB36 pipe arrangement dissimilar steel butt welding, there is qualification rate low, postwelding crackle
And the problem that the time delay crackle frequency is higher.Solution is to do welding process performance test, studies, and grasps welding process
In key technology, update, put the axe in the helve.
Utility model content
Utility model purpose of the present utility model is to solve 12Cr1MoV valve body to be connected into WB36 pipe arrangement dissimilar steel butt welding
The problem of difference power.
For completing above-mentioned utility model purpose, this utility model is achieved in that a kind of extra-high voltage adds pipe arrangement firmly from close
Envelope forging welding end choke valve, it is characterised in that: it includes 12Cr1MoV material valve body, it is characterised in that: in 12Cr1MoV material
The import of valve body connects the pipe arrangement of a WB36 dissimilar steel material, and its mouth structure is: lower floor is welding wire R31 bottoming, and upper strata is welding rod
R337 capping.
Technique scheme is improved further, the valve gap of valve body is provided with pressing plate；Set between pressing plate and lid
There is hard self sealss circle；Hard self sealss circle is provided with pressure ring；Pressure ring is provided with pendant collet.Described hard self sealss circle is rustless steel
F316。
The V-shaped angle of seam of the pipe arrangement of described 12Cr1MoV material valve body and WB36 dissimilar steel material；Weldering
Liquid fills V-shape angle.
Valve body material 12Cr1MoV, piping material WB36, welding wire R31 bottoming, welding rod R337 capping, four kinds of materials are welded into
Integrally.
Valve plus pipe arrangement effect is: reduces coal consumption, improve the thermal efficiency, makes unit operation reliable, is continuously increased, improves warp
Ji benefit.
The valve gap of valve body is provided with pressing plate；Hard self sealss circle it is provided with between pressing plate and lid；Hard self sealss circle sets
There is pressure ring；Pressure ring is provided with pendant collet.
For solving above-mentioned technical problem, this utility model is achieved in that (1) confirms valve body material 12Cr1MoV, joins
Tube material WB36；(2) welding wire R31 bottoming is selected；(3) using welding rod R337 capping, two ends imported and exported by (4) car；(5) rat holing；
(6) two ends groove imported and exported by car；(7) grinding seal surface.
Technique scheme is used just to solve, in the process of 12Cr1MoV valve body Yu WB36 pipe arrangement dissimilar steel butt welding
In, there is qualification rate low, postwelding crackle and the higher problem of the time delay crackle frequency.
For solving above-mentioned technical problem, scheme of the present utility model is achieved in that a kind of for extra-high for welding
Pressure adds the method for the hard self sealss circle of pipe arrangement hard self sealss forging welding end choke valve, (1) seal roughing；(2) F316 is prepared
Welding rod；(3) by welding machine Voltage Cortrol to 25-30V；(4) welded seal face；(5) car sealing surface；(6) sealing surface dye penetrant inspection；
(7) two ends imported and exported by car；(8) rat holing；(9) two ends groove imported and exported by car；(10) grinding seal surface.When welding, by valve
Operating pressure is set to 380V.
This programme solves valve sealing face zero seepage, improves flap and the anti-cavitation of valve seat and the ability of antiscour, carries
The overall performance of high valve and use.
Accompanying drawing explanation
Fig. 1 is product structure figure of the present utility model.
Detailed description of the invention
As it can be seen, a kind of extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve, it includes 12Cr1MoV material valve
Body 1, valve body includes again import liquid mouth and valve gap 5；In order to reduce coal consumption, improve the thermal efficiency, make unit operation reliable, constantly increase
Add, increase economic efficiency；Import at 12Cr1MoV material valve body connects the pipe arrangement 2 of a WB36 dissimilar steel material, and solder technology is adopted
With: (1) confirms valve body material 12Cr1MoV, piping material WB36；(2) welding wire R31 bottoming is selected；(3) welding rod R337 lid is used
Face, two ends imported and exported by (4) car；(5) rat holing；(6) two ends groove imported and exported by car；(7) grinding seal surface., its mouth structure is
End form becomes: lower floor is welding wire R31 bottoming, and upper strata is welding rod R337 capping.12Cr1MoV material valve body and WB36 Dissimilar Steels
The V-shaped angle of seam 3 of the pipe arrangement of matter；Welding fluid fills V-shape angle 3.
For solving valve sealing face zero seepage, improve flap and the anti-cavitation of valve seat and the ability of antiscour, improve valve
The overall performance of door and the state of use；The valve gap 5 of valve body is provided with pressing plate；Hard self sealss circle 4 it is provided with between pressing plate and lid,
6；It is provided with pressure ring 7 at hard self sealss circle 4,6；Pressure ring is provided with pendant collet 8, is provided with backing plate 9, finally seals with spiral shell on pressure ring
Tightly；Described hard self sealss circle is rustless steel F316.Hard self-packing welding method is: (1) seal roughing；(2) prepare
F316 welding rod；(3) by welding machine Voltage Cortrol to 25-30V；(4) welded seal face；(5) car sealing surface；(6) sealing surface coloring is visited
Wound；(7) two ends imported and exported by car；(8) rat holing；(9) two ends groove imported and exported by car；(10) grinding seal surface.Self sealss circle is by former
The soft seal (middle head gasket) come, existing connects as hard sealing ring firmly, and is F316 rustless steel.When welding, use valve work
Make pressure to increase: former below 210V, is now 380V.Friction between valve seal pair is little, substantially increases the use longevity of valve
Life.
Valve body 12Cr1MoV import and pipe arrangement WB36 carry out dissimilar steel butt welding, and the technique solving welding performance poor is asked
Topic, grasps the core technology in welding process, forms the technological specification with oneself characteristic, it is thus achieved that considerable economic benefit, full
Foot applying working condition.
Claims (4)
1. an extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve, it is characterised in that: it includes 12Cr1MoV material valve
Body, it is characterised in that: the import at 12Cr1MoV material valve body connects the pipe arrangement of a WB36 dissimilar steel material, and its mouth structure is:
Lower floor is welding wire R31 bottoming, and upper strata is welding rod R337 capping.
A kind of extra-high voltage the most according to claim 1 adds pipe arrangement hard self sealss forging welding end choke valve, it is characterised in that: institute
The V-shaped angle of seam of the pipe arrangement of the 12Cr1MoV material valve body stated and WB36 dissimilar steel material；Welding fluid fills V-shape
Angle.
A kind of extra-high voltage the most according to claim 1 adds pipe arrangement hard self sealss forging welding end choke valve, it is characterised in that:
The valve gap of valve body is provided with pressing plate；Pressing plate is provided with hard self sealss circle with lid；Hard self sealss circle is provided with pressure ring；On pressure ring
It is provided with pendant collet.
A kind of extra-high voltage the most according to claim 2 adds pipe arrangement hard self sealss forging welding end choke valve, it is characterised in that: institute
The hard self sealss circle stated is rustless steel F316.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663577.5U CN205841810U (en) | 2016-06-29 | 2016-06-29 | Extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620663577.5U CN205841810U (en) | 2016-06-29 | 2016-06-29 | Extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841810U true CN205841810U (en) | 2016-12-28 |
Family
ID=57620553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620663577.5U Withdrawn - After Issue CN205841810U (en) | 2016-06-29 | 2016-06-29 | Extra-high voltage adds pipe arrangement hard self sealss forging welding end choke valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402416A (en) * | 2016-06-29 | 2017-02-15 | 南通国电电站阀门股份有限公司 | Throttle valve welded with pipe under extra-high pressure and having hard self-sealed forged welding end and welding method |
-
2016
- 2016-06-29 CN CN201620663577.5U patent/CN205841810U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402416A (en) * | 2016-06-29 | 2017-02-15 | 南通国电电站阀门股份有限公司 | Throttle valve welded with pipe under extra-high pressure and having hard self-sealed forged welding end and welding method |
| CN106402416B (en) * | 2016-06-29 | 2018-11-13 | 南通国电电站阀门股份有限公司 | Extra-high voltage adds the hard self sealss forging welding end throttle valve of piping and welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161228 Effective date of abandoning: 20181113 |
|
| AV01 | Patent right actively abandoned |