CN207672081U - 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings - Google Patents
9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings Download PDFInfo
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- CN207672081U CN207672081U CN201721340955.7U CN201721340955U CN207672081U CN 207672081 U CN207672081 U CN 207672081U CN 201721340955 U CN201721340955 U CN 201721340955U CN 207672081 U CN207672081 U CN 207672081U
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Abstract
The utility model discloses one kind 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings, including 9%~12%Cr martensite heat-resistant steel major diameters posted sides pipeline, heating tooling and heat preservation closure plate, it is respectively equipped with heating tooling in the weld bond at martensite heat-resistant steel major diameter posted sides pipeline both ends, it includes major diameter pipe support to heat tooling, major diameter pipe support upper edge circumferencial direction is evenly arranged the symmetrical square hole of two row, the outer wall of major diameter pipe support is equipped with multiple tracklayer heaters, and multiple high temperature resistant load-bearing pulleys are additionally provided on the outer wall of major diameter pipe support；Cross supporting rack is provided in major diameter pipe support, cross supporting rack includes support tube and hollow steel pipe, and running through in hollow steel pipe has a rigid drawstring, and one end of rigid drawstring is fixedly connected with a heat preservation closure plate, and the other end extends another heat preservation closure plate.The utility model is combined using heating tooling and heat preservation closure plate, has both the effect of argon filling gas chamber and inner wall heating and thermal insulation, ensure that the safety of the welding thermal treatment quality and construction personnel of weld bond.
Description
Technical field
The utility model is related to the welding of martensite heat-resistant steel pipeline and Field of Heat-treatment, and in particular to and one kind 9%~
12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings.
Background technology
9%~12%Cr martensite heat-resistant steels are higher due to its alloying element content, it is necessary to be protected in root of weld applying argon gas
Shield, prevents the oxidation of weld seam；Since it is welded, tendency of hardenability is big, and necessary electrical heating preheating, postwelding must carry out postwelding heat before welding
Processing, to eliminate internal stress, obtains tempered martensite.
At present according to technical regulation and construction experience, using traditional paperboard argon-filled protection gas chamber come prevent 9%~
The oxidation of 12%Cr martensite heat-resistant steel weld seams is not thorough the cleaning of remaining argon filling gas chamber material after construction, does not meet clean
Purify the requirement of construction；Weld preheating and post weld heat treatment are carried out using armoured thermocouple and ceramic tracklayer heater, but
It is that wall temperature difference inside and outside post weld heat treatment can not be reduced to minimum or be reduced to the range of standard requirement.
There is guidance for the purifying construction of 9%~12%Cr martensite heat-resistant steel weld bonds and the control of inside and outside wall temperature difference at present
The data of property is not very much, and method for arranging and heater about thermocouple are wherein pointed out in thermal power plant welding technique regulation
Method for arranging, for major diameter heavy wall high alloy weld bond, (caliber is more than 800, and wall thickness is more than poor, the Bu Nengyou of directiveness 60)
Wall temperature difference inside and outside the reduction of effect, technological design temperature is not achieved in observed temperature, even more so for special piece, if only logical
Cross the increment control algorithm of heater promote weld bond observed temperature and technological temperature close to, such method not only takes time and effort, and
Post weld heat treatment effect is poor, can not meet live pipe fitting specification, form site operation complicated and changeable, and construction finishes
Afterwards, inside remaining argon filling gas chamber trap material pipeline, the objective of purifying construction is not met.
In conclusion weld bond inside and outside wall when being heat-treated in the prior art for 9%~12%Cr martensite heat-resistant steel pipelines
The problem of temperature difference is larger, purifying welding still lacks effective solution scheme.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, it is heat-resisting to provide one kind 9%~12%Cr martensites for the utility model
Steel major diameter posted sides pipeline argon filling heating and thermal insulation tooling is combined using heating tooling and heat preservation closure plate, has both argon filling gas chamber and inner wall
Heater installing is set inside 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines, is solved by the effect of heating and thermal insulation
The larger problem of wall temperature difference inside and outside weld bond, has been effectively ensured weld bond when 9%~12%Cr martensite heat-resistant steel pipelines are heat-treated
Weld the safety of thermal treatment quality and construction personnel.
Technical solution used by the utility model is：
One kind 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings, including 9%~12%
Cr martensite heat-resistant steel major diameters posted sides pipeline, heating tooling and heat preservation closure plate, characterized in that in 9%~12%Cr geneva
The heating tooling is respectively equipped in the weld bond at body heat resisting steel major diameter posted sides pipeline both ends, the heating tooling includes large-diameter pipe
Frame, tracklayer heater and high temperature resistant load-bearing pulley, it is symmetrical that the major diameter pipe support upper edge circumferencial direction has been evenly arranged two row
Square hole, the heat preservation closure plate is provided on the outside of the major diameter pipe support, wherein being provided with centre bore on a heat preservation closure plate；It is described big
It is provided with alumina silicate heat-preservation cotton on the inner wall of diameter pipe support, multiple crawler types have been evenly arranged on the outer wall of the major diameter pipe support
Heater has also been evenly arranged multiple high temperature resistant load-bearing pulleys, the high temperature resistant load-bearing on the outer wall of the major diameter pipe support
Pulley is between two adjacent tracklayer heaters；Middle part in the major diameter pipe support is provided with cross supporting rack, institute
It includes vertically disposed support tube and the hollow steel pipe for being horizontally set on the support tube hub, the sky to state cross supporting rack
Through having a rigid drawstring, one end of the rigidity drawstring to be fixedly connected with a heat preservation closure plate in heart steel pipe, the other end passes through another
Centre bore on one heat preservation closure plate extends 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines, and another heat preservation is stifled
It is inserted with argon gas pipeline in the centre bore of plate.
Further, the major diameter pipe support is made of the upper pipe support of semi-cylindrical and the cradle of semi-cylindrical, it is described on
It is bolted to connection between pipe support and cradle.
Further, the edge of the heat preservation closure plate is provided with heat safe rubber pad, the rubber pad and 9%~12%
The inner wall of Cr martensite heat-resistant steel major diameter posted sides pipelines is close together.
Further, further include being disposed in the position while weldings of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines
Temperature-control heat couple.
Further, further include being set respectively in the weld seam both sides of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines
It is equipped with temperature thermocouple.
Further, the lead-out wire of the tracklayer heater is drawn by square hole, and is connect with temperature-control heat couple.
Further, the temperature thermocouple and temperature-control heat couple are connect with temperature measurer respectively.
Further, the heat preservation closure plate uses galvanized iron sheet.
Further, the support tube uses telescoping tube.
Compared with prior art, the utility model has the beneficial effects that：
(1) the utility model is combined using heating tooling and heat preservation closure plate, has both argon filling gas chamber and inner wall heating and thermal insulation
Heater installing is set inside 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines, solves 9%~12% by effect
The welding heat treatment of weld bond has been effectively ensured in the larger problem of wall temperature difference inside and outside weld bond when Cr martensite heat-resistant steel pipelines are heat-treated
The safety of quality and construction personnel；It is uniformly arranged multiple tracklayer heaters by being loaded onto in heater so that weld preheating temperature
Degree can be rapidly achieved wall temperature difference inside and outside technological temperature and post weld heat treatment weld bond and be reduced to standard requirement, eliminate planted agent
The phenomenon that power, base material burning caused by avoiding post weld heat treatment heat preservation section temperature deviation or inside and outside wall port welding performance difference；
(2) the heating tooling of the utility model and heat preservation closure plate combine can be used as argon filling gas chamber, can protect weld seam not by
Oxidation；
(3) the utility model uses telescopic cross supporting rack, and heating tooling is enable to be suitable for any diameter
9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines；It can in real time be adjusted and added by nut with the variation of pipe diameter size
The major diameter pipe support size of thermal technology's dress, it is not necessary to make repeatedly, more measuring technique personnel need not be occupied, common construction personnel is
It is operable；
(4) the utility model on major diameter pipe support by being evenly arranged 4 groups of high temperature resistant load-bearing pulleys so that processing unit (plant) can
It is slided along 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline inner walls with freedom；
(5) the utility model heats toolings from 9%~12%Cr martensite heat-resistant steel major diameters using rigid drawstring by two
It is taken out in posted sides pipeline, can effectively avoid draft gear high temperature failure, be climbed into without construction personnel, improve pipeline construction
Safety, and after heating tooling use, which is taken out using rigid drawstring in time, residue will not be detained
In the purpose in pipeline, realizing purifying welding, the quality of purifying construction is improved, it is easy to operate, it is easy to use；
(6) the utility model improves construction quality, shortens the construction period, is conducive to save construction cost.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is that 9%~12%Cr martensite heat-resistant steels major diameter posted sides pipeline heating disclosed in the utility model embodiment is protected
Warm tool structure schematic diagram；
Fig. 2 is that 9%~12%Cr martensite heat-resistant steels major diameter posted sides pipeline heating disclosed in the utility model embodiment is protected
Warm tooling explosive view.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, the heat treatment of 9%~12%Cr martensite heat-resistant steel pipelines exists in the prior art
When weld bond inside and outside wall temperature difference it is larger, purifying welding is insufficient, and in order to solve technical problem as above, it is suitable that present applicant proposes one kind
For the welding of 9%~12%Cr martensite heat-resistant steel pipelines and heat treatment tooling and method, solves 9%~12%Cr geneva
The larger problem of wall temperature difference inside and outside weld bond when body heat resisting steel pipeline is heat-treated, be effectively ensured weld bond welding thermal treatment quality and
The safety of construction personnel so that weld preheating temperature can be rapidly achieved technological temperature and post weld heat treatment weld bond inside and outside wall
The temperature difference is reduced to standard requirement, avoids base material burning or inside and outside wall weld bond caused by post weld heat treatment heat preservation section temperature deviation
The phenomenon that performance difference, while can ensure the primary Cheng You of the post weld heat treatment of weld bond, avoid the phenomenon that being heat-treated again；Also
Solves the problems, such as purifying welding, i.e., it is not oxidized to can be used as argon filling gas chamber protection weld seam for the tooling, the built-in argon filling and adds
Hot tool locating setting is reasonable, facilitates taking-up, is pulled out after being finished, it is purifying in pipeline, realizing will not to be detained residue
The purpose of welding.
In a kind of typical embodiment of the application, as shown in Figs. 1-2, one kind 9%~12%Cr martensites are provided
Heat resisting steel major diameter posted sides pipeline argon filling heating and thermal insulation tooling, the tooling include 9%~12%Cr martensite heat-resistant steel major diameter heavy walls
Pipeline 1, heating tooling I, heating tooling II, heat preservation closure plate I 7 and heat preservation closure plate II 3；Wherein, heating tooling I and heating tooling II
It is separately positioned in the weld bond at 9%~12%Cr martensite heat-resistant steels major diameter posted sides pipeline, 1 both ends, the heating tooling I
Including major diameter pipe support I 8, the heat preservation closure plate I 7 is arranged in the outside of major diameter pipe support I, and the heating tooling II includes major diameter pipe support
II 9, the heat preservation closure plate II 3 is arranged is provided with centre bore, the guarantor on the outside of major diameter pipe support II, the heat preservation closure plate II 3
The centre bore of warm closure plate II is for being inserted into argon gas pipeline 4；On the major diameter pipe support I 8 and major diameter pipe support II 9 respectively along the circumferential direction
It is evenly arranged the symmetrical square hole 10 of two row；It is both provided with alumina silicate on the inner wall of the major diameter pipe support I and major diameter pipe support II
It has been evenly arranged 4 tracklayer heaters 11 respectively on the outer wall of heat-preservation cotton, the major diameter pipe support I and major diameter pipe support II,
High temperature resistant load-bearing pulley 12 described in being also evenly arranged 4 groups respectively on the outer wall of the major diameter pipe support I and major diameter pipe support II, it is described
High temperature resistant load-bearing pulley 12 is between two adjacent tracklayer heaters；In the major diameter pipe support I and major diameter pipe support II
Middle part is provided with cross supporting rack 13, and the cross supporting rack 13 includes vertically disposed support tube and is horizontally set on institute
The hollow steel pipe of support tube hub is stated, running through in the hollow steel pipe has a rigid drawstring 14, one end of the rigidity drawstring 14
It is fixedly connected with heat preservation closure plate I 7, it is resistance to extend 9%~12%Cr martensites by the centre bore of heat preservation closure plate II 3 for the other end
Hot steel major diameter posted sides pipeline 1.Tooling will be heated from 9%~12%Cr martensite heat-resistant steel major diameter heavy walls by being facilitated using rigid drawstring
It is taken out in pipeline, is climbed into without construction personnel, improve the safety of pipeline construction.
In the present embodiment, the major diameter pipe support I and major diameter pipe support II are respectively by the upper pipe support and semicolumn of semi-cylindrical
The cradle of shape forms, and is bolted to connection between the upper pipe support and cradle, and major diameter pipe support is adjusted by nut
Diameter.The application can in real time be adjusted with the variation of the pipe diameter size of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines
Section heating tooling size, it is not necessary to make repeatedly, more measuring technique personnel need not be occupied, common construction personnel can grasp
Make.
In the present embodiment, the edge of the heat preservation closure plate is provided with heat safe rubber pad, and the rubber pad and 9%~
The inner wall of 12%Cr martensite heat-resistant steel major diameter posted sides pipelines is close together, and prevents argon gas from escaping.
In the present embodiment, in the control of the position while welding of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines arrangement
Warm galvanic couple 6,9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines weld seam both sides be arranged temperature thermocouple 5,
The temperature thermocouple 5 and temperature-control heat couple 6 are connect with temperature measurer respectively.
In the present embodiment, the lead-out wire of the tracklayer heater 11 is drawn by square hole, and is connected with temperature-control heat couple
It connects.
In the present embodiment, the heat preservation closure plate I 7 and heat preservation closure plate II 3 use galvanized iron sheet.
In the present embodiment, the support tube uses telescoping tube.
9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline heating and thermal insulation toolings that the present embodiment proposes, using adding
Thermal technology fills and heat preservation closure plate combines, and has both the effect of argon filling gas chamber and inner wall heating and thermal insulation, solves 9%~12%Cr martensites
The larger problem of wall temperature difference inside and outside weld bond when heat resisting steel pipeline is heat-treated, has been effectively ensured the welding thermal treatment quality of weld bond and has applied
The safety of worker person is uniformly arranged multiple tracklayer heaters so that weld preheating temperature can be fast by being loaded onto in heater
Speed reaches wall temperature difference inside and outside technological temperature and post weld heat treatment weld bond and is reduced to standard requirement, avoids post weld heat treatment guarantor
Base material burning caused by temperature deviation or the phenomenon that inside and outside wall port welding performance difference between warm area, while can ensure the postwelding of weld bond
It is heat-treated primary Cheng You, avoids the phenomenon that being heat-treated again；The heating tooling of the utility model and heat preservation closure plate combination can be made
For argon filling gas chamber, weld seam can be protected not oxidized；Using telescopic cross supporting rack, heating tooling is enable to be suitable for
9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines；It is slided by being evenly arranged 4 groups of high temperature resistant load-bearing on major diameter pipe support
Wheel so that processing unit (plant) can be slided freely along 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline inner walls；Using rigid
Property drawstring by two heating toolings taken out out of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines, can effectively keep away
Exempt from draft gear high temperature failure, climbed into without construction personnel, improves the safety of pipeline construction, and use in heating tooling
After, which is taken out using rigid drawstring in time, residue will not be detained in pipeline, realizing purifying welding
Purpose；The utility model improves the quality of purifying construction, easy to operate, easy to use；The utility model improves construction matter
Amount, shortens the construction period, is conducive to save construction cost.
The application method of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings, including
Following steps：
(1) before the weld bond at positioning welding 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline ontologies both ends, by two
A heater is put in the weld bond of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines both sides；
(2) positioning welding is carried out to the weld bond at 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines both ends, by rigid
Property drawstring by two heaters being placed in martensite heat-resistant steel major diameter posted sides pipeline dress be connected and fixed；
(3) heater is used to be heat-treated to martensite heat-resistant steel major diameter posted sides pipeline mounted in be welded and postwelding；
(4) it after being heat-treated, is drawn from one end of 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines using rigidity
Rope takes out two heating toolings.
It can be seen from the above description that the application the above embodiments realize following technique effect：
(1) the utility model is combined using heating tooling and heat preservation closure plate, has both argon filling gas chamber and inner wall heating and thermal insulation
Heater installing is set inside 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines, solves 9%~12% by effect
The welding heat treatment of weld bond has been effectively ensured in the larger problem of wall temperature difference inside and outside weld bond when Cr martensite heat-resistant steel pipelines are heat-treated
The safety of quality and construction personnel；It is uniformly arranged multiple tracklayer heaters by being loaded onto in heater so that weld preheating temperature
Degree can be rapidly achieved wall temperature difference inside and outside technological temperature and post weld heat treatment weld bond and be reduced to standard requirement, eliminate planted agent
The phenomenon that power, base material burning caused by avoiding post weld heat treatment heat preservation section temperature deviation or inside and outside wall port welding performance difference；
(2) the heating tooling of the utility model and heat preservation closure plate combine can be used as argon filling gas chamber, can protect weld seam not by
Oxidation；
(3) the utility model uses telescopic cross supporting rack, and heating tooling is enable to be suitable for any diameter
9%~12%Cr martensite heat-resistant steel major diameter posted sides pipelines；It can in real time be adjusted and added by nut with the variation of pipe diameter size
The major diameter pipe support size of thermal technology's dress, it is not necessary to make repeatedly, more measuring technique personnel need not be occupied, common construction personnel is
It is operable；
(4) the utility model on major diameter pipe support by being evenly arranged 4 groups of high temperature resistant load-bearing pulleys so that processing unit (plant) can
It is slided along 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline inner walls with freedom；
(5) the utility model heats toolings from 9%~12%Cr martensite heat-resistant steel major diameters using rigid drawstring by two
It is taken out in posted sides pipeline, can effectively avoid draft gear high temperature failure, be climbed into without construction personnel, improve pipeline construction
Safety, and after heating tooling use, which is taken out using rigid drawstring in time, residue will not be detained
In the purpose in pipeline, realizing purifying welding, the quality of purifying construction is improved, it is easy to operate, it is easy to use；
(6) the utility model improves construction quality, shortens the construction period, is conducive to save construction cost.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but not to this practicality newly
The limitation of type protection domain, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel need not make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (9)
1. one kind 9% ~ 12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings, including 9% ~ 12%Cr martensites
Heat resisting steel major diameter posted sides pipeline, heating tooling and heat preservation closure plate, characterized in that in 9% ~ 12%Cr martensite heat-resistant steels major diameter
The heating tooling is respectively equipped in the weld bond at posted sides pipeline both ends, the heating tooling includes major diameter pipe support, crawler type heating
Device and high temperature resistant load-bearing pulley, the major diameter pipe support upper edge circumferencial direction is evenly arranged the symmetrical square hole of two row, described big
The heat preservation closure plate is provided on the outside of diameter pipe support, wherein being provided with centre bore on a heat preservation closure plate；The inner wall of the major diameter pipe support
On be provided with alumina silicate heat-preservation cotton, multiple tracklayer heaters have been evenly arranged on the outer wall of the major diameter pipe support, it is described
Multiple high temperature resistant load-bearing pulleys are also evenly arranged on the outer wall of major diameter pipe support, the high temperature resistant load-bearing pulley is located at two
Between adjacent tracklayer heater；Middle part in the major diameter pipe support is provided with cross supporting rack, the cross support
Frame includes vertically disposed support tube and the hollow steel pipe for being horizontally set on the support tube hub, is run through in the hollow steel pipe
There are a rigid drawstring, one end of the rigidity drawstring to be fixedly connected with a heat preservation closure plate, the other end passes through on another heat preservation closure plate
Centre bore extend 9% ~ 12%Cr martensite heat-resistant steel major diameter posted sides pipelines, be inserted in the centre bore of another heat preservation closure plate
Argon gas pipeline.
2. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 1,
It is characterized in, the major diameter pipe support is made of the upper pipe support of semi-cylindrical and the cradle of semi-cylindrical, the upper pipe support and down tube
It is bolted to connection between frame.
3. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 1,
It is characterized in, the edge of the heat preservation closure plate is provided with heat safe rubber pad, and the rubber pad and 9% ~ 12%Cr martensites are heat-resisting
The inner wall of steel major diameter posted sides pipeline is close together.
4. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 1,
It is characterized in, further includes the temperature-control heat couple in the position while welding arrangement of 9% ~ 12%Cr martensite heat-resistant steel major diameter posted sides pipelines.
5. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 4,
It is characterized in, further includes the temperature thermocouple being arranged in the weld seam both sides of 9% ~ 12%Cr martensite heat-resistant steel major diameter posted sides pipelines.
6. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 5,
It is characterized in, the lead-out wire of the tracklayer heater is drawn by square hole, and is connect with temperature-control heat couple.
7. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 5,
It is characterized in, the temperature thermocouple and temperature-control heat couple are connect with temperature measurer respectively.
8. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 1,
It is characterized in, the heat preservation closure plate uses galvanized iron sheet.
9. 9% ~ 12%Cr martensite heat-resistant steels major diameter posted sides pipeline argon filling heating and thermal insulation tooling according to claim 1,
It is characterized in, the support tube uses telescoping tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340955.7U CN207672081U (en) | 2017-10-16 | 2017-10-16 | 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721340955.7U CN207672081U (en) | 2017-10-16 | 2017-10-16 | 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207672081U true CN207672081U (en) | 2018-07-31 |
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ID=62953331
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721340955.7U Active CN207672081U (en) | 2017-10-16 | 2017-10-16 | 9%~12%Cr martensite heat-resistant steel major diameter posted sides pipeline argon filling heating and thermal insulation toolings |
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| CN (1) | CN207672081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557541A (en) * | 2017-10-16 | 2018-01-09 | 山东电力建设第工程公司 | The big footpath posted sides pipeline argon filling heating and thermal insulation frock of 9% ~ 12%Cr martensite heat-resistant steels and method |
-
2017
- 2017-10-16 CN CN201721340955.7U patent/CN207672081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107557541A (en) * | 2017-10-16 | 2018-01-09 | 山东电力建设第工程公司 | The big footpath posted sides pipeline argon filling heating and thermal insulation frock of 9% ~ 12%Cr martensite heat-resistant steels and method |
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