FR2339829B3 - - Google Patents
Info
- Publication number
- FR2339829B3 FR2339829B3 FR7701667A FR7701667A FR2339829B3 FR 2339829 B3 FR2339829 B3 FR 2339829B3 FR 7701667 A FR7701667 A FR 7701667A FR 7701667 A FR7701667 A FR 7701667A FR 2339829 B3 FR2339829 B3 FR 2339829B3
- Authority
- FR
- France
- 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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/38—Condensed phosphates
- C01B25/40—Polyphosphates
- C01B25/41—Polyphosphates of alkali metals
- C01B25/412—Preparation from alkali metal orthophosphates
- C01B25/414—Apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0404—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
- F26B11/0418—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried the subdivision consisting of a plurality of parallel tubes, e.g. through which the material to be dried is conveyed in single or multi-pass fashion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762603072 DE2603072A1 (de) | 1976-01-28 | 1976-01-28 | Verfahren und vorrichtung zur herstellung von natriumtripolyphosphat im zweistufen-verfahren |
DE19762617981 DE2617981A1 (de) | 1976-04-24 | 1976-04-24 | Vorrichtung zur durchfuehrung der kalzination |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2339829A1 FR2339829A1 (fr) | 1977-08-26 |
FR2339829B3 true FR2339829B3 (fr) | 1979-09-21 |
Family
ID=25769971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7701667A Granted FR2339829A1 (fr) | 1976-01-28 | 1977-01-21 | Dispositif de traitement thermique indirect, par exemple de sechage ou de calcination de matieres en vrac |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2339829A1 (fr) |
IT (1) | IT1067574B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9016908D0 (en) * | 1990-08-01 | 1990-09-12 | Keirle Trevor J | Rotary heat-treatment apparatus |
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1976
- 1976-12-21 IT IT30699/76A patent/IT1067574B/it active
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1977
- 1977-01-21 FR FR7701667A patent/FR2339829A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
IT1067574B (it) | 1985-03-16 |
FR2339829A1 (fr) | 1977-08-26 |
Similar Documents
Legal Events
Date | Code | Title | Description |
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CD | Change of name or company name | ||
ST | Notification of lapse |