DE2422513C3 - Rohrheizkörper - Google Patents
RohrheizkörperInfo
- Publication number
- DE2422513C3 DE2422513C3 DE2422513A DE2422513A DE2422513C3 DE 2422513 C3 DE2422513 C3 DE 2422513C3 DE 2422513 A DE2422513 A DE 2422513A DE 2422513 A DE2422513 A DE 2422513A DE 2422513 C3 DE2422513 C3 DE 2422513C3
- Authority
- DE
- Germany
- Prior art keywords
- jacket
- tubular
- tubular heater
- chromium
- sacrificial anode
- 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
Links
- 238000005260 corrosion Methods 0.000 claims description 29
- 230000007797 corrosion Effects 0.000 claims description 29
- 238000005336 cracking Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000011651 chromium Substances 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 13
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 11
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 238000009835 boiling Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000284 resting effect Effects 0.000 description 7
- 229910001629 magnesium chloride Inorganic materials 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001120 nichrome Inorganic materials 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
- H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material
- H05B3/50—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material heating conductor arranged in metal tubes, the radiating surface having heat-conducting fins
-
- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Resistance Heating (AREA)
- Prevention Of Electric Corrosion (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2422513A DE2422513C3 (de) | 1974-05-09 | 1974-05-09 | Rohrheizkörper |
| FR7514083A FR2270752B1 (enExample) | 1974-05-09 | 1975-05-06 | |
| SE7505365A SE7505365L (sv) | 1974-05-09 | 1975-05-07 | Rorformigt vermeelement. |
| GB19503/75A GB1506629A (en) | 1974-05-09 | 1975-05-08 | Tubular electric heating elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2422513A DE2422513C3 (de) | 1974-05-09 | 1974-05-09 | Rohrheizkörper |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2422513A1 DE2422513A1 (de) | 1975-11-20 |
| DE2422513B2 DE2422513B2 (de) | 1977-10-20 |
| DE2422513C3 true DE2422513C3 (de) | 1978-06-22 |
Family
ID=5915096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2422513A Expired DE2422513C3 (de) | 1974-05-09 | 1974-05-09 | Rohrheizkörper |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2422513C3 (enExample) |
| FR (1) | FR2270752B1 (enExample) |
| GB (1) | GB1506629A (enExample) |
| SE (1) | SE7505365L (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU528375B2 (en) * | 1978-06-07 | 1983-04-28 | Allegheny Ludlum Industries Inc. | Protecting ferritic stainless steel from crevice and pitting corrosion |
| EP0047329A1 (de) * | 1980-09-08 | 1982-03-17 | Elpag Ag Chur | Rohrheizkörper |
| DE3105922C2 (de) * | 1981-02-18 | 1987-03-19 | Buderus Ag, 6330 Wetzlar | Wassererhitzer mit einem an Wechselstrom angeschlossenen Elektro- Heizeinsatz |
| CA1167221A (en) * | 1981-12-10 | 1984-05-15 | Jobst U. Gellert | Spacer clip for injection molding heater element |
| DE3315544C3 (de) * | 1983-04-29 | 1993-12-23 | Licentia Gmbh | Elektrisches Heißwasserbereitungsgerät |
| FR2676464A1 (fr) * | 1991-05-16 | 1992-11-20 | Innovations Thermiques | Dispositif de chauffage equipe d'un moyen anti-depot notamment de tartre. |
| US9927480B2 (en) * | 2014-11-06 | 2018-03-27 | Rosemount Aerospace, Inc. | System and method for probe heater health indication |
| CN105444255B (zh) * | 2015-12-25 | 2019-02-15 | 广东美的环境电器制造有限公司 | 发热装置及具有其的电取暖装置 |
| CN112305358B (zh) * | 2020-10-29 | 2023-09-12 | 威凯检测技术有限公司 | 一种加热水用日用管状电热元件的加速寿命试验方法 |
-
1974
- 1974-05-09 DE DE2422513A patent/DE2422513C3/de not_active Expired
-
1975
- 1975-05-06 FR FR7514083A patent/FR2270752B1/fr not_active Expired
- 1975-05-07 SE SE7505365A patent/SE7505365L/xx unknown
- 1975-05-08 GB GB19503/75A patent/GB1506629A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2422513A1 (de) | 1975-11-20 |
| GB1506629A (en) | 1978-04-05 |
| SE7505365L (sv) | 1975-11-10 |
| FR2270752A1 (enExample) | 1975-12-05 |
| DE2422513B2 (de) | 1977-10-20 |
| FR2270752B1 (enExample) | 1979-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: LIEDL, G., DIPL.-PHYS. NOETH, H., DIPL.-PHYS., PAT.-ANW., 8000 MUENCHEN |
|
| 8339 | Ceased/non-payment of the annual fee |