GB949680A - Improvements in or relating to pickling installations - Google Patents
Improvements in or relating to pickling installationsInfo
- Publication number
- GB949680A GB949680A GB1970160A GB1970160A GB949680A GB 949680 A GB949680 A GB 949680A GB 1970160 A GB1970160 A GB 1970160A GB 1970160 A GB1970160 A GB 1970160A GB 949680 A GB949680 A GB 949680A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vat
- evaporator
- liquid
- pickling
- vats
- 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
Classifications
-
- 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
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
-
- 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
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/36—Regeneration of waste pickling liquors
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
In a method of recovering from the pickling liquid of a pickling plant the acid carried along with the pickled product, the latter is rinsed with a sufficient quantity of water to obtain a substantially complete elimination of the acid, the rinsing liquid thus obtained being concentrated in an evaporator by indirect heating and returned to the pickling vats whilst the steam produced by the evaporator is used as heating steam. As shown, strip A is pickled in vats a-d, while the acid flows in countercurrent relationship from vat d to vat a. The pickled strip is rinsed by spray nozzles 3 fed from rinsing vat 1, then by immersion in vat 1, then by device 4, and finally by device 7. Rinsing liquid from vat 1 is fed through line 11 to evaporator 8 (if desired, the evaporator may also be supplied with liquid from the iron salts separating apparatus 13). The resulting steam and concentrated liquid are separated in unit 9, the former being passed through line 14 to vats a-d as a direct heating medium while the latter is introduced into vat d through line 12. <PICT:0949680/C3/1>
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR819117A FR1257691A (en) | 1960-02-20 | 1960-02-20 | Pickling line heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB949680A true GB949680A (en) | 1964-02-19 |
Family
ID=8725555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1970160A Expired GB949680A (en) | 1960-02-20 | 1960-06-03 | Improvements in or relating to pickling installations |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR1257691A (en) |
| GB (1) | GB949680A (en) |
| NL (1) | NL109944C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2460166A1 (en) * | 1979-07-03 | 1981-01-23 | Nordnero Ab | WATER BASED CLEANING INSTALLATION |
| EP0602437A1 (en) * | 1992-12-03 | 1994-06-22 | Sms Schloemann-Siemag Aktiengesellschaft | Pickling apparatus and process for running it |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2917097A1 (en) * | 2007-06-06 | 2008-12-12 | Siemens Vai Metals Tech Sas | INSTALLATION FOR THE REMOVAL OF METAL BANDS, IN PARTICULAR STEEL |
-
0
- NL NL109944D patent/NL109944C/xx active
-
1960
- 1960-02-20 FR FR819117A patent/FR1257691A/en not_active Expired
- 1960-06-03 GB GB1970160A patent/GB949680A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2460166A1 (en) * | 1979-07-03 | 1981-01-23 | Nordnero Ab | WATER BASED CLEANING INSTALLATION |
| EP0602437A1 (en) * | 1992-12-03 | 1994-06-22 | Sms Schloemann-Siemag Aktiengesellschaft | Pickling apparatus and process for running it |
Also Published As
| Publication number | Publication date |
|---|---|
| NL109944C (en) | |
| FR1257691A (en) | 1961-04-07 |
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