FR2697761B1 - METHOD AND APPARATUS FOR REMOVAL OF SLUDGE FROM A LIQUID BATH OF MOLTEN SALTS. - Google Patents
METHOD AND APPARATUS FOR REMOVAL OF SLUDGE FROM A LIQUID BATH OF MOLTEN SALTS.Info
- Publication number
- FR2697761B1 FR2697761B1 FR9313331A FR9313331A FR2697761B1 FR 2697761 B1 FR2697761 B1 FR 2697761B1 FR 9313331 A FR9313331 A FR 9313331A FR 9313331 A FR9313331 A FR 9313331A FR 2697761 B1 FR2697761 B1 FR 2697761B1
- Authority
- FR
- France
- Prior art keywords
- sludge
- removal
- liquid bath
- molten salts
- molten
- 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 - Fee Related
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
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
- B01D39/2075—Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4298596A JP2919201B2 (en) | 1992-11-09 | 1992-11-09 | Method and apparatus for removing sludge from molten salt bath liquid |
JP5013745A JP2845707B2 (en) | 1993-01-29 | 1993-01-29 | Sludge removal device in molten salt bath liquid |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2697761A1 FR2697761A1 (en) | 1994-05-13 |
FR2697761B1 true FR2697761B1 (en) | 1995-12-22 |
Family
ID=26349585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9313331A Expired - Fee Related FR2697761B1 (en) | 1992-11-09 | 1993-11-09 | METHOD AND APPARATUS FOR REMOVAL OF SLUDGE FROM A LIQUID BATH OF MOLTEN SALTS. |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE4337374C2 (en) |
FR (1) | FR2697761B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0663455B1 (en) * | 1994-01-13 | 1999-11-17 | Houghton Durferrit GmbH | Filter unit and device for desludging salt baths |
JP3187249B2 (en) | 1994-05-17 | 2001-07-11 | 本田技研工業株式会社 | Sludge removal device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1175713B (en) * | 1962-04-12 | 1964-08-13 | Hans Joachim Goldmann | Salt mist filter |
DE2731167C3 (en) * | 1977-07-09 | 1980-12-04 | Degussa Ag, 6000 Frankfurt | Use of inorganic fiber materials for cleaning salt baths and device for using these fiber materials |
DE7908028U1 (en) * | 1979-03-22 | 1983-07-14 | Degussa Ag, 6000 Frankfurt | DEVICE FOR DISCHARGING SET BLADES |
DE2923028A1 (en) * | 1979-06-07 | 1980-12-18 | Volkswagenwerk Ag | Removing sludge from nitriding baths - using a suction pump and passing the sludge contg. bath through a filter |
SE8300121L (en) * | 1982-01-18 | 1983-07-19 | Inst Tech Kibernetik Robot | SIKTNET |
FR2525491B1 (en) * | 1982-04-23 | 1988-04-29 | Stephanois Rech Mec | FILTER GROUP FOR SALT BATHS |
JPS6214004A (en) * | 1985-07-12 | 1987-01-22 | Matsushita Electric Works Ltd | Inspection of hole position of printed circuit board using optical fiber bundle |
-
1993
- 1993-11-02 DE DE19934337374 patent/DE4337374C2/en not_active Expired - Fee Related
- 1993-11-09 FR FR9313331A patent/FR2697761B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2697761A1 (en) | 1994-05-13 |
DE4337374A1 (en) | 1994-05-11 |
DE4337374C2 (en) | 1998-06-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |