CN110031782A - Austenitic heat-resistance steel magnetic transformation and oxide skin monitor system - Google Patents

Austenitic heat-resistance steel magnetic transformation and oxide skin monitor system Download PDF

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Publication number
CN110031782A
CN110031782A CN201910176905.7A CN201910176905A CN110031782A CN 110031782 A CN110031782 A CN 110031782A CN 201910176905 A CN201910176905 A CN 201910176905A CN 110031782 A CN110031782 A CN 110031782A
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CN
China
Prior art keywords
subsystem
resistance steel
austenitic heat
oxide skin
control processing
Prior art date
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Pending
Application number
CN201910176905.7A
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Chinese (zh)
Inventor
张新
王晓茹
石阳
马志宝
蔡文河
杜双明
张学星
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Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd
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Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd
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Application filed by Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd filed Critical Thermal Power Generation Technology Research Institute of China Datang Corporation Science and Technology Research Institute Co Ltd
Priority to CN201910176905.7A priority Critical patent/CN110031782A/en
Publication of CN110031782A publication Critical patent/CN110031782A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B17/00Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
    • G01B17/02Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
    • G01B17/025Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness for measuring thickness of coating
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/12Measuring magnetic properties of articles or specimens of solids or fluids

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Abstract

The invention discloses a kind of austenitic heat-resistance steel magnetic transformations and oxide skin to monitor system, including detecting subsystem, the control processing subsystem and early warning subsystem and Monitor And Control Subsystem being connect with detection subsystem signals, detection subsystem for real-time detection austenitic heat-resistance steel heat treatment and scale thickness and will test result be transferred to control processing subsystem, control processing subsystem is used to handle the heat treatment of analysis austenitic heat-resistance steel and scale thickness changes and generates corresponding control instruction, early warning subsystem is used to receive the pre-warning signal of control processing subsystem and executes corresponding early warning operation, Monitor And Control Subsystem carries out the Dynamic Display and prediction of testing result according to the data of control processing subsystem analysis, the present invention has rational design, be capable of real-time perfoming austenitic heat-resistance steel magnetic transformation and oxide skin into Row monitoring, directs the maintenance in overcritical power station, has ensured the normal operation in overcritical power station.

Description

Austenitic heat-resistance steel magnetic transformation and oxide skin monitor system
Technical field
The present invention relates to thermal power generating equipment technical field more particularly to a kind of austenitic heat-resistance steel magnetic transformations and oxide skin to supervise Examining system.
Background technique
Currently, China has been provided with the ability for voluntarily researching and developing, building (super) criticality benchmark, have a large amount of domestic design productions (super) criticality benchmark of 600MW-1000MW build up, and operational excellence.The big ring for developing low-carbon economy is advocated in face of the whole world Border, optimization thermal power structure, the master that the development of China's power industry technology will be become using the advanced extra-supercritical unit of more high parameter One of direction is led, but due to the restrictive factor of material system, the further improvement of ultra-supercritical power generation technology is still not It is mature.
Austenitic heat-resistance steel (such as TP347, TP347 and HR3C) is because having higher creep rupture strength, allowable stress With better antioxygenic property, it is often applied to nuclear power plant and the higher component of thermal power plant service temperature.When being deposited in component In the defects of crackle, can be carried out non-destructive testing using the methods of ray, ultrasonic wave.For the safety for improving component, often need Degree of aging of the material before crack initiation is detected.And the damage for austenitic heat-resistance steel before cracked Situation (mainly include magnetic transformation and oxide skin), although there are certain related between magnetic transformation mechanism and scale thickness Property, oxide skin research is more, but still unobvious from the control situation in practical military service unit, oxide skin bring potential danger One of the main reason for being still austenitic heat-resistance steel booster, generation and monitoring simultaneously for oxide skin there is no effective monitoring Means, and effective lossless detection method is still lacked at present for magnetic transformation and oxide skin.
Summary of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art, it is magnetic to provide a kind of austenitic heat-resistance steel Transformation and oxide skin monitor system, and the magnetic transformation and oxide skin for capableing of real-time perfoming austenitic heat-resistance steel are monitored, and And the relevance obtained between magnetic transformation and oxide skin is analyzed in the way of curve matching, instruct the maintenance in overcritical power station And it operates normally.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of austenitic heat-resistance steel magnetic transformation and oxide skin monitor system, including detection subsystem, sub with the detection The control processing subsystem of system signal connection and the early warning subsystem being electrically connected with the control processing subsystem and monitoring Subsystem, it is described to detect subsystem for the heat treatment and scale thickness of real-time detection austenitic heat-resistance steel and will test As a result it is transferred on the control processing subsystem, the control processing subsystem is for handling and analyzing austenitic heat-resistance steel Heat treatment and scale thickness change and generate corresponding control instruction, and the early warning subsystem is for receiving the control The pre-warning signal of processing subsystem simultaneously executes corresponding early warning operation, and the Monitor And Control Subsystem is according to the control processing subsystem The data of analysis carry out the Dynamic Display and prediction of testing result.
Preferably, in above-mentioned austenitic heat-resistance steel magnetic transformation and oxide skin monitoring system, the detection subsystem includes For detecting the electromagnetic detection module of austenitic heat-resistance steel heat treatment, for detecting the variation of austenitic heat-resistance steel scale thickness Ultrasound detection module and data transmission blocks for emitting detection data, the electromagnetic detection module and the ultrasound The synchronization control module for controlling synchronous detection is electrically connected on detection module jointly.
Preferably, in above-mentioned austenitic heat-resistance steel magnetic transformation and oxide skin monitoring system, the electromagnetic detection module is adopted With the strong magnetic meter of vibrating example, the ultrasound detection module uses sonigauge.
Preferably, in above-mentioned austenitic heat-resistance steel magnetic transformation and oxide skin monitoring system, the control processing subsystem Including the central processing unit for Data Management Analysis, it is electrically connected on the central processing unit and is sent for receiving the data The data reception module of module transfer data and memory for storing austenitic heat-resistance steel detection data, the centre The fitting analysis module for analyzing data correlation is also electrically connected on reason device.
Preferably, in above-mentioned austenitic heat-resistance steel magnetic transformation and oxide skin monitoring system, the early warning subsystem includes The alarm lamp and power amplifier being electrically connected with the central controller, the power amplifier output are electrically connected with alarm Buzzer.
Preferably, in above-mentioned austenitic heat-resistance steel magnetic transformation and oxide skin monitoring system, the Monitor And Control Subsystem includes The display screen and casting loudspeaker being electrically connected with the central processing unit.
Preferably, in above-mentioned austenitic heat-resistance steel magnetic transformation and oxide skin monitoring system, the display screen split screen display available, The dynamic changing curve and change curve prediction trend graph of austenitic heat-resistance steel magnetism and scale thickness are shown respectively.
The beneficial effects of the present invention are:
Monitoring system design provided by the invention is reasonable, by magnetic transformation to austenitic heat-resistance steel and oxide skin into Row implements monitoring, can obtain the operating status of austenite heat-resistance steel conduit in overcritical power station in time, while quasi- by curve The relevance analyzed and can obtained between magnetic and scale thickness is closed, it is resistance to convenient for obtaining austenite subsequently through magnetic detection Scale thickness in hot steel conduit has good directive function to the maintenance of austenite heat-resistance steel conduit, has ensured Ovshinsky The normal operation of body heat resisting steel pipeline.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is early warning subsystem structure schematic diagram of the invention;
Fig. 3 is Monitor And Control Subsystem structural schematic diagram of the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- detects subsystem;2- controls processing subsystem;3- early warning subsystem;4- Monitor And Control Subsystem;5- electromagnetic detection mould Block;6- ultrasound detection module;7- data transmission blocks;8- synchronization control module;9- central processing unit;10- data reception module; 11- memory;12- fitting analysis module;13- alarm lamp;14- power amplifier;15- alarm buzzer;16- display screen;17- Broadcast loudspeaker.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-3, the present embodiment is a kind of austenitic heat-resistance steel magnetic transformation and oxide skin monitors system, packet It includes detection subsystem 1, the control processing subsystem 2 connecting with detection 1 signal of subsystem and is electrically connected with control processing subsystem 2 The early warning subsystem 3 and Monitor And Control Subsystem 4 connect, detection subsystem 1 for real-time detection austenitic heat-resistance steel heat treatment with And scale thickness and will test result and be transferred on control processing subsystem 3, control processing subsystem 2 is for handling and analyze The heat treatment and scale thickness of austenitic heat-resistance steel change and generate corresponding control instruction, and early warning subsystem 3 is used for It receives the pre-warning signal of control processing subsystem 2 and executes corresponding early warning operation, Monitor And Control Subsystem 4 handles subsystem according to control The data of 2 analysis of system carry out the Dynamic Display and prediction of testing result, and detection subsystem 1 includes for detecting austenite heat-resistance The electromagnetic detection module 5 of steel heat treatment, for detect austenitic heat-resistance steel scale thickness variation ultrasound detection module 6 with And the data transmission blocks 7 for emitting detection data, it is electrically connected in electromagnetic detection module 5 and ultrasound detection module 6 jointly There is the synchronization control module 8 for controlling synchronous detection, electromagnetic detection module 5 uses the strong magnetic meter of vibrating example, ultrasound detection mould Block 6 uses sonigauge, and control processing subsystem 2 includes the central processing unit 9 for Data Management Analysis, central processing It is electrically connected with sending module 7 for receiving data on device 9 and transmits the data reception module 10 of data and for storing austenite The memory 11 of heat resisting steel detection data is also electrically connected with the Fitting Analysis mould for analyzing data correlation on central processing unit 9 Block 12, early warning subsystem 3 include the alarm lamp 13 and power amplifier 14 being electrically connected with central controller 9, power amplifier 14 output ends are electrically connected with alarm buzzer 15, Monitor And Control Subsystem 4 include the display screen 16 being electrically connected with central processing unit 9 and Loudspeaker 17 is broadcasted, 16 split screen display available of display screen shows the dynamic change of austenitic heat-resistance steel magnetism and scale thickness respectively Curve and change curve predict trend graph.
One concrete application of the present embodiment are as follows: when work, under the control of synchronization control module 8, electromagnetic detection module 5 And the synchronous magnetism for carrying out austenitic heat-resistance steel of ultrasound detection module 6 and scale thickness are detected, obtain it is magnetic with And the corresponding data pair of scale thickness, the magnetism of austenitic heat-resistance steel and the detection of scale thickness are and so on carried out, The a large amount of magnetic corresponding data pair with scale thickness can be obtained, the data that then detection obtains send mould to by data Block 7 is sent, central processing unit 9 by data reception module 10 receive data transmission blocks 7 transmission data after according to Sequencing is arranged successively, and is stored into memory 11, and at the same time, the data mutual transmission for completing sequence is delivered to fitting point It analyses in module 12, fitting analysis module 12, to carrying out curve fitting, obtains the magnetism and oxidation of austenitic heat-resistance steel according to data Quantitative relation curve graph between skin thickness, central processing unit 9 carry out forward prediction according to quantitative relation curve graph, pass through simultaneously Monitor And Control Subsystem 4 is shown, in addition, in central processing unit 9 settable scale thickness threshold value, when scale thickness is more than When threshold value, alarmed by early warning subsystem 3.
Monitoring system design provided by the invention is reasonable, by magnetic transformation to austenitic heat-resistance steel and oxide skin into Row implements monitoring, can obtain the operating status of austenite heat-resistance steel conduit in overcritical power station in time, while quasi- by curve The relevance analyzed and can obtained between magnetic and scale thickness is closed, it is resistance to convenient for obtaining austenite subsequently through magnetic detection Scale thickness in hot steel conduit has good directive function to the maintenance of austenite heat-resistance steel conduit, has ensured Ovshinsky The normal operation of body heat resisting steel pipeline.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification, It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only It is limited by claims and its full scope and equivalent.

Claims (7)

1. a kind of austenitic heat-resistance steel magnetic transformation and oxide skin monitor system, it is characterised in that: including detection subsystem (1), It is electrically connected with the control processing subsystem (2) that connect of detection subsystem (1) signal and with the control processing subsystem (2) The early warning subsystem (3) and Monitor And Control Subsystem (4) connect, detection subsystem (1) is for real-time detection austenitic heat-resistance steel Heat treatment and scale thickness simultaneously will test result and be transferred on the control processing subsystem (3), the control processing The heat treatment and scale thickness that subsystem (2) is used to handling and analyzing austenitic heat-resistance steel change and generate corresponding control System instruction, the early warning subsystem (3) are used to receive the pre-warning signal of control processing subsystem (2) and execute corresponding pre- Alert operation, the Monitor And Control Subsystem (4) carry out the dynamic of testing result according to the data that control processing subsystem (2) is analyzed It shows and predicts.
2. austenitic heat-resistance steel magnetic transformation according to claim 1 and oxide skin monitor system, it is characterised in that: described Detecting subsystem (1) includes for detecting the electromagnetic detection module (5) of austenitic heat-resistance steel heat treatment, for detecting austenite The ultrasound detection module (6) that heat resisting steel scale thickness changes and the data transmission blocks (7) for emitting detection data, institute State the synchronization being electrically connected with jointly in electromagnetic detection module (5) and the ultrasound detection module (6) for controlling synchronous detection Control module (8).
3. austenitic heat-resistance steel magnetic transformation according to claim 2 and oxide skin monitor system, it is characterised in that: described Electromagnetic detection module (5) uses the strong magnetic meter of vibrating example, and the ultrasound detection module (6) uses sonigauge.
4. austenitic heat-resistance steel magnetic transformation according to claim 1 and oxide skin monitor system, it is characterised in that: described Control processing subsystem (2) includes the central processing unit (9) for Data Management Analysis, is electrically connected on the central processing unit (9) Be connected to for receive the data transmission blocks (7) transmission data data reception module (10) and for storing austenite it is resistance to The memory (11) of hot steel detection data is also electrically connected with the fitting for analyzing data correlation on the central processing unit (9) Analysis module (12).
5. austenitic heat-resistance steel magnetic transformation according to claim 1 and oxide skin monitor system, it is characterised in that: described Early warning subsystem (3) includes the alarm lamp (13) and power amplifier (14) being electrically connected with the central controller (9), institute It states power amplifier (14) output end and is electrically connected with alarm buzzer (15).
6. austenitic heat-resistance steel magnetic transformation according to claim 1 and oxide skin monitor system, it is characterised in that: described Monitor And Control Subsystem (4) includes the display screen (16) being electrically connected with the central processing unit (9) and casting loudspeaker (17).
7. austenitic heat-resistance steel magnetic transformation according to claim 6 and oxide skin monitor system, it is characterised in that: described Display screen (16) split screen display available, shows dynamic changing curve and the variation of austenitic heat-resistance steel magnetism and scale thickness respectively Curve prediction trend graph.
CN201910176905.7A 2019-03-08 2019-03-08 Austenitic heat-resistance steel magnetic transformation and oxide skin monitor system Pending CN110031782A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110672232A (en) * 2019-09-20 2020-01-10 润电能源科学技术有限公司 Method and device for correcting tube wall temperature of boiler heating surface and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102538656A (en) * 2012-02-08 2012-07-04 西安热工研究院有限公司 Method for measuring thickness of austenitic stainless steel inner-wall oxide skin
CN102749038A (en) * 2011-04-20 2012-10-24 华东电力试验研究院有限公司 Assessment method of growing status of austenitic steel steam oxide skin
CN203502599U (en) * 2013-10-24 2014-03-26 国家电网公司 Austenitic heating surface oxide skin electromagnetic detector and detection system
CN207675111U (en) * 2017-12-25 2018-07-31 广州特种承压设备检测研究院 A kind of tube on high-temperature heating surface of supercritical boiler internal oxidition skin falls off precaution device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102749038A (en) * 2011-04-20 2012-10-24 华东电力试验研究院有限公司 Assessment method of growing status of austenitic steel steam oxide skin
CN102538656A (en) * 2012-02-08 2012-07-04 西安热工研究院有限公司 Method for measuring thickness of austenitic stainless steel inner-wall oxide skin
CN203502599U (en) * 2013-10-24 2014-03-26 国家电网公司 Austenitic heating surface oxide skin electromagnetic detector and detection system
CN207675111U (en) * 2017-12-25 2018-07-31 广州特种承压设备检测研究院 A kind of tube on high-temperature heating surface of supercritical boiler internal oxidition skin falls off precaution device

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
刘勇 等: "《材料物理性能》", 30 September 2015, 北京航空航天大学出版社 *
刘贵锋 等: "350 MW超临界机组锅炉氧化皮防治技术研究", 《热能动力工程》 *
孙玺 等: "火电厂锅炉管内壁氧化皮脱落风险预警系统研发与应用", 《热力发电》 *
张继龙: "基于磁性原理的锅炉高温受热面氧化皮检测技术", 《电力与电工》 *
强文江 等: "奥氏体不锈钢管内氧化皮磁性无损检测方法", 《仪器仪表学报》 *
许立宾: "电站锅炉不锈钢管内氧化皮检测技术研究", 《中国优秀博硕士学位论文全文数据库(硕士) 工程科技Ⅱ辑》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110672232A (en) * 2019-09-20 2020-01-10 润电能源科学技术有限公司 Method and device for correcting tube wall temperature of boiler heating surface and storage medium

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Application publication date: 20190719

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