CA1247992A - Process and apparatus for deoxidation of shells for the production of pipes - Google Patents
Process and apparatus for deoxidation of shells for the production of pipesInfo
- Publication number
- CA1247992A CA1247992A CA000487228A CA487228A CA1247992A CA 1247992 A CA1247992 A CA 1247992A CA 000487228 A CA000487228 A CA 000487228A CA 487228 A CA487228 A CA 487228A CA 1247992 A CA1247992 A CA 1247992A
- Authority
- CA
- Canada
- Prior art keywords
- deoxidation
- agent
- shell
- gas
- deoxidation agent
- 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
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000008569 process Effects 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 75
- 239000000203 mixture Substances 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 239000008240 homogeneous mixture Substances 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 38
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 239000011796 hollow space material Substances 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010405 reoxidation reaction Methods 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/04—Apparatus for cleaning or pickling metallic material for cleaning pipes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Metal Rolling (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH357184 | 1984-07-23 | ||
| CH3571/84 | 1984-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1247992A true CA1247992A (en) | 1989-01-03 |
Family
ID=4258862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000487228A Expired CA1247992A (en) | 1984-07-23 | 1985-07-22 | Process and apparatus for deoxidation of shells for the production of pipes |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0172366B1 (cs) |
| JP (1) | JPH0774468B2 (cs) |
| BR (1) | BR8503476A (cs) |
| CA (1) | CA1247992A (cs) |
| CS (1) | CS540185A2 (cs) |
| DD (1) | DD235677A5 (cs) |
| DE (1) | DE3562100D1 (cs) |
| ES (2) | ES8702808A1 (cs) |
| MX (1) | MX167480B (cs) |
| PL (1) | PL254623A1 (cs) |
| ZA (1) | ZA855468B (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818298A (en) * | 1985-08-16 | 1989-04-04 | Trest "Juzhvodoprovod" | Method of removing deposits from the inside walls of a pipeline and applying protective coatings thereto |
| CH668717A5 (de) * | 1986-07-03 | 1989-01-31 | Lonza Ag | Verfahren zum aufbringen eines fliessfaehigen stoffes auf die innenflaeche eines hohlkoerpers und einrichtung zur durchfuehrung des verfahrens. |
| CH674164A5 (cs) * | 1987-09-29 | 1990-05-15 | Lonza Ag | |
| CN116904999A (zh) * | 2023-07-25 | 2023-10-20 | 鞍钢股份有限公司 | 一种小孔径管件内壁酸洗装置及酸洗方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5258060A (en) * | 1975-11-09 | 1977-05-13 | Kihara Seisakusho | Method of polishing inside ofmetal pipe with small inner diameter |
| JPS5258019A (en) * | 1975-11-09 | 1977-05-13 | Kihara Seisakusho | Method of derusting* cleaning and polishing inner surface of metal tube of small diameter |
| SE8004565L (sv) * | 1980-06-19 | 1981-12-20 | Fjaellstroem Bengt | Forfarande for tvettning eller rengoring samt skoljning eller torkning av rorformiga material |
| JPS58211859A (ja) * | 1982-06-01 | 1983-12-09 | Atsuji Tekko Kk | 曲管の内面研掃装置 |
| JPS5942273A (ja) * | 1982-08-31 | 1984-03-08 | Atsuji Tekko Kk | 管の内面研掃装置 |
| CH655516B (cs) * | 1983-08-17 | 1986-04-30 |
-
1985
- 1985-06-28 DE DE8585108047T patent/DE3562100D1/de not_active Expired
- 1985-06-28 EP EP85108047A patent/EP0172366B1/de not_active Expired
- 1985-07-19 JP JP60160030A patent/JPH0774468B2/ja not_active Expired - Lifetime
- 1985-07-19 DD DD85278785A patent/DD235677A5/de not_active IP Right Cessation
- 1985-07-19 ZA ZA855468A patent/ZA855468B/xx unknown
- 1985-07-19 PL PL25462385A patent/PL254623A1/xx unknown
- 1985-07-22 CS CS855401A patent/CS540185A2/cs unknown
- 1985-07-22 CA CA000487228A patent/CA1247992A/en not_active Expired
- 1985-07-22 ES ES545447A patent/ES8702808A1/es not_active Expired
- 1985-07-22 BR BR8503476A patent/BR8503476A/pt unknown
- 1985-07-22 MX MX206068A patent/MX167480B/es unknown
-
1986
- 1986-02-27 ES ES552462A patent/ES8701854A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0774468B2 (ja) | 1995-08-09 |
| ES8701854A1 (es) | 1986-12-01 |
| DD235677A5 (de) | 1986-05-14 |
| DE3562100D1 (en) | 1988-05-11 |
| MX167480B (es) | 1993-03-24 |
| CS540185A2 (en) | 1991-08-13 |
| ES552462A0 (es) | 1986-12-01 |
| ZA855468B (en) | 1986-03-26 |
| JPS6137987A (ja) | 1986-02-22 |
| EP0172366B1 (de) | 1988-04-06 |
| ES545447A0 (es) | 1987-01-01 |
| ES8702808A1 (es) | 1987-01-01 |
| BR8503476A (pt) | 1986-04-15 |
| EP0172366A1 (de) | 1986-02-26 |
| PL254623A1 (en) | 1986-06-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |