DE3825472C2 - - Google Patents
Info
- Publication number
- DE3825472C2 DE3825472C2 DE19883825472 DE3825472A DE3825472C2 DE 3825472 C2 DE3825472 C2 DE 3825472C2 DE 19883825472 DE19883825472 DE 19883825472 DE 3825472 A DE3825472 A DE 3825472A DE 3825472 C2 DE3825472 C2 DE 3825472C2
- Authority
- DE
- Germany
- Prior art keywords
- surface layers
- laser
- heat exchanger
- hard
- exchanger tubes
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 239000002344 surface layer Substances 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 22
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000003546 flue gas Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 239000002817 coal dust Substances 0.000 claims description 9
- 230000003628 erosive effect Effects 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 238000007751 thermal spraying Methods 0.000 claims description 3
- 238000013532 laser treatment Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000007750 plasma spraying Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 4
- 239000002184 metal Substances 0.000 claims 4
- 150000002739 metals Chemical class 0.000 claims 4
- 238000011144 upstream manufacturing Methods 0.000 claims 4
- -1 cermets Substances 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 3
- 239000000919 ceramic Substances 0.000 claims 2
- 229910010293 ceramic material Inorganic materials 0.000 claims 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims 2
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- 229910000765 intermetallic Inorganic materials 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 239000007790 solid phase Substances 0.000 claims 1
- 235000019589 hardness Nutrition 0.000 description 7
- 239000011148 porous material Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000006004 Quartz sand Substances 0.000 description 2
- 210000003850 cellular structure Anatomy 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
- B23K35/327—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C comprising refractory compounds, e.g. carbides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
- C23C26/02—Coating not provided for in groups C23C2/00 - C23C24/00 applying molten material to the substrate
-
- 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
- F22B37/04—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler and characterised by material, e.g. use of special steel alloy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19883825472 DE3825472A1 (de) | 1988-07-27 | 1988-07-27 | Dampferzeugungsanlage mit waermetauscherrohren |
| EP89111545A EP0352482A1 (de) | 1988-07-27 | 1989-06-24 | Dampferzeugungsanlage mit Wärmetauscherrohren |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19883825472 DE3825472A1 (de) | 1988-07-27 | 1988-07-27 | Dampferzeugungsanlage mit waermetauscherrohren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3825472A1 DE3825472A1 (de) | 1990-02-01 |
| DE3825472C2 true DE3825472C2 (enExample) | 1992-10-01 |
Family
ID=6359647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19883825472 Granted DE3825472A1 (de) | 1988-07-27 | 1988-07-27 | Dampferzeugungsanlage mit waermetauscherrohren |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0352482A1 (enExample) |
| DE (1) | DE3825472A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0684070A1 (en) * | 1994-05-23 | 1995-11-29 | Hemlock Semiconductor Corporation | Fluidized-bed reactor |
| FI96541C (fi) * | 1994-10-03 | 1996-07-10 | Ahlstroem Oy | Järjestely seinämässä sekä menetelmä seinämän pinnoittamiseksi |
| WO2000049193A1 (de) * | 1999-02-19 | 2000-08-24 | Volkswagen Aktiengesellschaft | Verfahren und vorrichtung zum bearbeiten einer oberfläche eines bauteils |
| EP2111524B1 (en) * | 2007-01-17 | 2011-03-23 | Dow Corning Corporation | Wear resistant materials in the direct process |
| WO2020082322A1 (zh) * | 2018-10-26 | 2020-04-30 | 中国电建集团山东电力建设第一工程有限公司 | 塔式锅炉穿墙管施工方法 |
| CN113503530A (zh) * | 2021-07-19 | 2021-10-15 | 张家港市富昶锅炉制造有限公司 | 一种换热组件及应用其的蒸汽发生器 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL69554C (enExample) * | ||||
| CA1067354A (en) * | 1975-04-11 | 1979-12-04 | Frederick T. Jaeger | Boiler tube coating and method for applying the same |
| CS196846B1 (en) * | 1977-11-22 | 1980-04-30 | Vaclav Pilous | Protective two-layered coat for heat-stressed parts |
| JPS583478B2 (ja) * | 1978-03-03 | 1983-01-21 | 株式会社日立製作所 | レ−ザ加熱方法および装置 |
| US4619314A (en) * | 1983-08-05 | 1986-10-28 | Ishikawajima-Harima Jukogyo Kabushiki Kaisha | Device for preventing wear of heat transfer tubes in fluidized-bed boiler |
| DE3343783C1 (de) * | 1983-12-03 | 1984-07-05 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg | Verfahren zur Herstellung verschleissfester Zylinderlaufflaechen von Brennkraftmaschinen |
| DE3347083A1 (de) * | 1983-12-24 | 1985-07-04 | Vereinigte Kesselwerke AG, 4000 Düsseldorf | Tauchheizflaechen fuer eine wirbelschichtfeuerung |
| DE3412664A1 (de) * | 1984-04-04 | 1985-10-17 | Kraftwerk Union AG, 4330 Mülheim | Rohr fuer ein rohrbuendel in einem waermetauscher |
| US4685427A (en) * | 1986-12-08 | 1987-08-11 | Inco Alloys International, Inc. | Alloy for composite tubing in fluidized-bed coal combustor |
| DD260321A1 (de) * | 1987-05-05 | 1988-09-21 | Bergmann Borsig Veb | Waermeuebertragerrohre fuer tauchheizflaechen |
-
1988
- 1988-07-27 DE DE19883825472 patent/DE3825472A1/de active Granted
-
1989
- 1989-06-24 EP EP89111545A patent/EP0352482A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE3825472A1 (de) | 1990-02-01 |
| EP0352482A1 (de) | 1990-01-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8127 | New person/name/address of the applicant |
Owner name: DEUTSCHE BABCOCK ENERGIE- UND UMWELTTECHNIK AG, 42 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |