CN107525061A - A kind of power plant boiler boiler tube dirt, which measures, determines system and method - Google Patents
A kind of power plant boiler boiler tube dirt, which measures, determines system and method Download PDFInfo
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- CN107525061A CN107525061A CN201710728844.1A CN201710728844A CN107525061A CN 107525061 A CN107525061 A CN 107525061A CN 201710728844 A CN201710728844 A CN 201710728844A CN 107525061 A CN107525061 A CN 107525061A
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- China
- Prior art keywords
- boiler
- tube
- generator tube
- electrolysis
- power plant
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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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 42
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 239000010802 sludge Substances 0.000 claims abstract description 6
- 238000005259 measurement Methods 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical class S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000005238 degreasing Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 238000012937 correction Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002000 scavenging effect Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000013019 agitation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 238000003556 assay Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000009785 tube rolling Methods 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/38—Determining or indicating operating conditions in steam boilers, e.g. monitoring direction or rate of water flow through water tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Measured the present invention relates to a kind of power plant boiler boiler tube dirt and determine system and method, wherein, the system include electrolysis stripping apparatus for eliminating sludge, the ultrasonic cleaner for carrying out ungrease treatment to generator tube before scale removal and after scale removal and for weigh before scale removal and after scale removal generator tube quality electronic balance；Electrolysis stripping apparatus for eliminating sludge includes DC electrolysis instrument and accommodates the electrolytic cell of release agent for electrolytic, DC electrolysis instrument includes positive pole and negative pole, positive pole and negative pole are connected to platinum electrode and generator tube, platinum electrode and generator tube are placed in electrolytic cell, DC electrolysis are carried out in the presence of release agent for electrolytic, peel off the dirty thing on generator tube.Scale removal speed of the present invention is fast, takes the short technique effect low with parent metal blank wastage amount, damage very little to boiler tube parent metal, generally it is not required to do blank correction, matrix can keep the original appearance of boiler tube under dirt, highly beneficial for observation generator tube metal corrosion under scale form.
Description
Technical field
Measured the invention belongs to power plant boiler boiler tube dirt and determine technical field, more particularly to a kind of power plant boiler boiler tube dirt
System and method is determined in measurement.
Background technology
The determination of the Chemical cleaning interval time limit and the evaluation of boiler water process and the water chemistry method of operation of power plant boiler,
All it is the sediment yield (g/m with generator tube inner surface2) or scaling rate (g/ (m2A) it is) criterion, and adopts at present
Dirt amount measured by chemical assay as defined in professional standard is the average value that boiler tube is measured to fiery side and back-fire side dirt, is surveyed
It is generally relatively low to measure result.Further, since boiler pressure is higher, dirty matter is harder, and the adhesion with inside pipe wall is more firm, using usual
Even if chemical assay extend scavenging period and also be difficult to thoroughly remove the dirt of generator tube, or due to scavenging period
Corrosion losses that are long and adding parent metal, even if using blank correction method, it can still cause larger measurement error.Cause
This, in order to quickly and accurately determine the dirt amount of generator tube, improves the security of power plant boiler boiler tube, it is necessary to which a kind of can be real
Now quickly and accurately determine the system and method for Boiler Furnace pipe scale amount.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of power plant boiler boiler tube dirt amount measurement system and
Method, realize and quickly and accurately determine Boiler Furnace pipe scale amount.
The invention provides a kind of power plant boiler boiler tube dirt amount measurement system, including electrolysis stripping apparatus for eliminating sludge, it is used for
Generator tube before scale removal and after scale removal is carried out ungrease treatment ultrasonic cleaner and for weigh before scale removal and scale removal after pot
The electronic balance of stove boiler tube quality；
Electrolysis stripping apparatus for eliminating sludge includes DC electrolysis instrument and accommodates the electrolytic cell of release agent for electrolytic, DC electrolysis instrument bag
Positive pole and negative pole are included, positive pole and negative pole are connected to platinum electrode and generator tube, and platinum electrode and generator tube are placed in electricity
In Xie Chi, DC electrolysis are carried out in the presence of release agent for electrolytic, peel off the dirty thing on generator tube.
Further, release agent for electrolytic is 10wt% aqueous sulfuric acids.
Further, it is provided with magnetic stir bar in electrolytic cell.
Further, the system also includes support, and support is connected with platinum electrode and generator tube, for by platinum electrode
And generator tube is suspended in electrolytic cell.
Further, support includes vertical support frame and horizontal stand, and vertical support frame is detachably connected with horizontal stand, platinum
Electrode and generator tube connect with horizontal stand suspension.
Further, DC electrolysis instrument, which is provided with, is used for the adjustment knob for adjusting current density and for showing current density
Current density display screen.
Further, the revolution that electrolytic cell includes being used to adjust magnetic stir bar revolution adjusts knob and for showing magnetic force
The magnetic stir bar revolution display screen of stirrer revolution.
Further, ultrasonic cleaner includes ultrasonic cleaner, and acetone soln is accommodated in ultrasonic cleaner.
Present invention also offers a kind of power plant boiler boiler tube dirt quantity measuring method, including：
Ultrasonic degreasing processing is carried out to generator tube surface to be determined；
Weigh the mass M 1 of generator tube after ungrease treatment；
Scale removal is carried out to generator tube using electrolysis stripping method；
Weigh the mass M 2 of generator tube after scale removal；
M1-M2 difference is calculated, obtains the dirt amount of generator tube.
Further, scale removal is carried out to generator tube using electrolysis stripping method to specifically include：
Generator tube to be determined is connected with electrolysis apparatus negative pole, platinum electrode is connected with electrolysis apparatus positive pole, by platinum electricity
Pole and generator tube are placed in the electrolytic cell for accommodating 10wt% aqueous sulfuric acids, and direct current is passed in aqueous sulfuric acid,
0.2A/cm2Current density under carry out electrolysis stripping, remove the dirty thing on generator tube.
By such scheme, measured by power plant boiler boiler tube dirt and determine system and method, realize that scale removal speed is fast, consumes
When the short technique effect low with parent metal blank wastage amount, the damage very little to boiler tube parent metal, be generally not required to do blank
Correction, matrix can keep the original appearance of boiler tube under dirt, highly beneficial for observation generator tube metal corrosion under scale form.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation of power plant boiler boiler tube dirt amount measurement system of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Join shown in Fig. 1, present embodiments provide a kind of power plant boiler boiler tube dirt amount measurement system, including：DC electrolysis
Instrument 1, stand for experiment 2, magnetic agitation electrolytic cell 3, the electronic balance 5 of ultrasonic cleaner 4 and a ten thousandth precision and exchange
220V 50Hz power supplys 6.
DC electrolysis instrument 1 includes：DC voltage display screen 7, DC voltage regulation knob 8, current density display screen 9, electricity
Current density adjustment knob 10, electrolysis apparatus positive pole 11, electrolysis apparatus negative pole 12.
Stand for experiment 2 includes, vertical support frame 13, horizontal stand 15, for fixing horizontal stand 15 and vertical support frame 13
Fixed knob 14.
Magnetic agitation electrolytic cell 3 includes：Magnetic stir bar 26, magnetic stir bar revolution display screen 29, revolution adjustment knob
28th, electrolytic cell 27, negative electrode connecting wire 17, the fixing 16 for connecting negative electrode connecting wire 17 and horizontal stand 15, use
In connection generator tube (experiment slice) 19 and the conductive clamp 18 of negative electrode connecting wire 17, anode connecting wire 22, for being connected
Anode connecting wire and the fixing 21 of horizontal stand 15, the conduction for being connected platinum electrode 24 and anode connecting wire 22
Clip 23.
Ultrasonic cleaner 4 includes：Ultrasonic cleaner 30 and ultrasonic wave scavenging period setting knob 31.
Electronic balance 5 includes weighing pan 32.
DC electrolysis instrument 1 is used by the measurement system, carried out in the presence of the release agent for electrolytic in electrolytic cell 27 straight
Stream electrolysis, using the method measure dirt amount of electrolysis stripping.Specifically, generator tube 19 is connected with electrolysis apparatus negative pole 12, platinum
Electrode 24 is connected with electrolysis apparatus positive pole 11, direct current is passed in release agent for electrolytic (10wt% aqueous sulfuric acids), in 0.2A/
cm2Current density under carry out electrolysis stripping, negative electrode produces a large amount of hydrogen, in the double action of stripping and the acid dissolving of bubble hydrogen
Under, the dirty thing on generator tube is stripped down rapidly.Dirt amount continuous mode includes：
Step 1：Generator tube to be determined is put into the ultrasonic cleaner 30 of ultrasonic cleaner 4, ultrasonic wave cleaning
Acetone soln is put into groove 30, rotary ultrasonic ripple scavenging period setting knob 31, it is 2 minutes to set ultrasonic wave scavenging period, profit
Ungrease treatment is carried out to generator tube surface with ultrasonic wave.
Step 2：Generator tube after ungrease treatment is put on the weighing pan 32 of electronic balance 5, generator tube is weighed and removes
Quality M1 before dirt.
Step 3：Generator tube 19 is connected with conductive clamp 18, successively by negative electrode connecting wire 17, wire 20 and electricity
Solution instrument negative pole 12 connects；Platinum electrode 24 is connected with conductive clamp 23, successively by anode connecting wire 22, wire 25 and electricity
Solution instrument positive pole 11 connects.Start the device of magnetic agitation electrolytic cell 3, magnetic stir bar 26 starts to stir electrolysis stripping in electrolytic cell
Agent；The power supply of DC electrolysis instrument 1 is connected, starts electrolysis stripping, it is 20 minutes to set the electrolysis stripping time.
Step 4：Generator tube 19 is removed from conductive clamp 18, the generator tube 19 after electrolysis stripping is placed again into
In the ultrasonic cleaner 30 of ultrasonic cleaner 4, acetone soln is put into ultrasonic cleaner 30, when rotary ultrasonic ripple cleans
Between set knob 31, it is that the generator tube after ungrease treatment is put into electronics after 2 minutes, 2 minutes to set ultrasonic wave scavenging period
On the weighing pan 32 of balance 5, mass M 2 after generator tube scale removal is weighed；
Step 5：Boiler Furnace pipe scale amount is M1-M2 difference.
The release agent for electrolytic uses the concentrated sulfuric acid and high purity water, and sulfuric acid solution is configured to according to 10wt% concentration.
This method and existing power industry standard DL/T 1115-2009《Power plant units overhaul check directive/guide》Middle regulation
Chlorohydric acid pickling method and tube rolling method compare, have that scale removal speed is fast, takes the short and low advantage of parent metal blank wastage amount, should
Damage very little of the method to boiler tube parent metal, generally it is not required to do blank correction, matrix can keep the original appearance of boiler tube under dirt, the party
Method is highly beneficial for observation generator tube metal corrosion under scale form.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (10)
- A kind of 1. power plant boiler boiler tube dirt amount measurement system, it is characterised in that including electrolysis stripping apparatus for eliminating sludge, for except Before dirty and after scale removal generator tube carry out ungrease treatment ultrasonic cleaner and for weigh before scale removal and scale removal after Boiler Furnace The electronic balance of pipe quality；The electrolysis stripping apparatus for eliminating sludge includes DC electrolysis instrument and accommodates the electrolytic cell of release agent for electrolytic, the DC electrolysis Instrument includes positive pole and negative pole, and the positive pole and negative pole are connected to platinum electrode and the generator tube, the platinum electrode And generator tube is placed in the electrolytic cell, DC electrolysis are carried out in the presence of release agent for electrolytic, are peeled off on generator tube Dirty thing.
- A kind of 2. power plant boiler boiler tube dirt amount measurement system according to claim 1, it is characterised in that the electrolysis stripping It is 10wt% aqueous sulfuric acids from agent.
- A kind of 3. power plant boiler boiler tube dirt amount measurement system according to claim 1, it is characterised in that the electrolytic cell It is interior to be provided with magnetic stir bar.
- 4. a kind of power plant boiler boiler tube dirt amount measurement system according to claim 1, it is characterised in that also include branch Frame, the support are connected with the platinum electrode and generator tube, for the platinum electrode and generator tube to be suspended in into institute State in electrolytic cell.
- A kind of 5. power plant boiler boiler tube dirt amount measurement system according to claim 4, it is characterised in that the support bag Vertical support frame and horizontal stand are included, the vertical support frame is detachably connected with the horizontal stand, the platinum electrode and boiler Boiler tube connects with horizontal stand suspension.
- A kind of 6. power plant boiler boiler tube dirt amount measurement system according to claim 1, it is characterised in that the direct current Xie Yi, which is provided with, is used for the adjustment knob for adjusting current density and the current density display screen for showing current density.
- A kind of 7. power plant boiler boiler tube dirt amount measurement system according to claim 3, it is characterised in that the electrolytic cell Knob and magnetic stir bar for showing magnetic stir bar revolution are adjusted including the revolution for adjusting magnetic stir bar revolution Revolution display screen.
- A kind of 8. power plant boiler boiler tube dirt amount measurement system according to claim 1, it is characterised in that the ultrasonic wave Washer includes ultrasonic cleaner, and acetone soln is accommodated in the ultrasonic cleaner.
- A kind of 9. power plant boiler boiler tube dirt quantity measuring method, it is characterised in that including：Ultrasonic degreasing processing is carried out to generator tube surface to be determined；Weigh the mass M 1 of generator tube after ungrease treatment；Scale removal is carried out to generator tube using electrolysis stripping method；Weigh the mass M 2 of generator tube after scale removal；M1-M2 difference is calculated, obtains the dirt amount of generator tube.
- A kind of 10. power plant boiler boiler tube dirt quantity measuring method according to claim 9, it is characterised in that the use Electrolysis stripping method carries out scale removal to generator tube and specifically included：Generator tube to be determined is connected with electrolysis apparatus negative pole, platinum electrode is connected with electrolysis apparatus positive pole, by platinum electrode and Generator tube is placed in the electrolytic cell for accommodating 10wt% aqueous sulfuric acids, direct current is passed in aqueous sulfuric acid, in 0.2A/ cm2Current density under carry out electrolysis stripping, remove the dirty thing on generator tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710728844.1A CN107525061A (en) | 2017-08-23 | 2017-08-23 | A kind of power plant boiler boiler tube dirt, which measures, determines system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710728844.1A CN107525061A (en) | 2017-08-23 | 2017-08-23 | A kind of power plant boiler boiler tube dirt, which measures, determines system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107525061A true CN107525061A (en) | 2017-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710728844.1A Pending CN107525061A (en) | 2017-08-23 | 2017-08-23 | A kind of power plant boiler boiler tube dirt, which measures, determines system and method |
Country Status (1)
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| CN (1) | CN107525061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021002424A1 (en) * | 2019-07-04 | 2021-01-07 | 三菱パワー株式会社 | Method for evaluating crack in metal member and method for evaluating fatigue damage in metal member |
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|---|---|---|---|---|
| GB771314A (en) * | 1953-03-18 | 1957-03-27 | Herbert Donald Walton | Improvements in and relating to the electrolytic cleaning of articles of metal |
| US4363709A (en) * | 1981-02-27 | 1982-12-14 | Allegheny Ludlum Steel Corporation | High current density, acid-free electrolytic descaling process |
| ITRM20000456A0 (en) * | 2000-08-10 | 2000-08-10 | Ct Sviluppo Materiali Spa | CONTINUOUS ELECTROLYTIC PICKLING METHOD OF METALLIC PRODUCTS WITH ALTERNATING CURRENT POWERED BLADES. |
| US20020108868A1 (en) * | 1999-09-20 | 2002-08-15 | Aeromet Technologies, Inc. | External counter electrode |
| JP2007260493A (en) * | 2006-03-27 | 2007-10-11 | Kurita Water Ind Ltd | Electrolyzing apparatus |
| CN101585569A (en) * | 2009-07-08 | 2009-11-25 | 成都飞创科技有限公司 | Circulating water electrolytic descaling device and descaling method |
| CN207527552U (en) * | 2017-08-23 | 2018-06-22 | 大唐东北电力试验研究所有限公司 | A kind of power plant boiler boiler tube dirt amount measurement system |
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2017
- 2017-08-23 CN CN201710728844.1A patent/CN107525061A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB771314A (en) * | 1953-03-18 | 1957-03-27 | Herbert Donald Walton | Improvements in and relating to the electrolytic cleaning of articles of metal |
| US4363709A (en) * | 1981-02-27 | 1982-12-14 | Allegheny Ludlum Steel Corporation | High current density, acid-free electrolytic descaling process |
| US20020108868A1 (en) * | 1999-09-20 | 2002-08-15 | Aeromet Technologies, Inc. | External counter electrode |
| ITRM20000456A0 (en) * | 2000-08-10 | 2000-08-10 | Ct Sviluppo Materiali Spa | CONTINUOUS ELECTROLYTIC PICKLING METHOD OF METALLIC PRODUCTS WITH ALTERNATING CURRENT POWERED BLADES. |
| JP2007260493A (en) * | 2006-03-27 | 2007-10-11 | Kurita Water Ind Ltd | Electrolyzing apparatus |
| CN101585569A (en) * | 2009-07-08 | 2009-11-25 | 成都飞创科技有限公司 | Circulating water electrolytic descaling device and descaling method |
| CN207527552U (en) * | 2017-08-23 | 2018-06-22 | 大唐东北电力试验研究所有限公司 | A kind of power plant boiler boiler tube dirt amount measurement system |
Non-Patent Citations (1)
| Title |
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| 王光信: "《有机电合成导论》", 北京理工大学出版社有限责任公司 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021002424A1 (en) * | 2019-07-04 | 2021-01-07 | 三菱パワー株式会社 | Method for evaluating crack in metal member and method for evaluating fatigue damage in metal member |
| JP2021012064A (en) * | 2019-07-04 | 2021-02-04 | 三菱パワー株式会社 | Crack evaluation method of metal member and fatigue damage evaluation method of metal member |
| CN113795743A (en) * | 2019-07-04 | 2021-12-14 | 三菱动力株式会社 | Method for evaluating cracking of metal member and method for evaluating fatigue damage of metal member |
| JP7304755B2 (en) | 2019-07-04 | 2023-07-07 | 三菱重工業株式会社 | Crack evaluation method for metal members and fatigue damage evaluation method for metal members. |
| US11898995B2 (en) | 2019-07-04 | 2024-02-13 | Mitsubishi Heavy Industries, Ltd. | Method for evaluating crack in metal member and method for evaluating fatigue damage in metal member |
| CN113795743B (en) * | 2019-07-04 | 2024-02-23 | 三菱重工业株式会社 | Method for evaluating cracks in metal member and method for evaluating fatigue damage of metal member |
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Application publication date: 20171229 |