DE2704116C2 - - Google Patents
Info
- Publication number
- DE2704116C2 DE2704116C2 DE2704116A DE2704116A DE2704116C2 DE 2704116 C2 DE2704116 C2 DE 2704116C2 DE 2704116 A DE2704116 A DE 2704116A DE 2704116 A DE2704116 A DE 2704116A DE 2704116 C2 DE2704116 C2 DE 2704116C2
- Authority
- DE
- Germany
- Prior art keywords
- sludge
- nozzle
- main vessel
- openings
- sleeve
- 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
- 239000010802 sludge Substances 0.000 claims description 115
- 239000002002 slurry Substances 0.000 claims description 22
- 239000013078 crystal Substances 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 9
- 230000001914 calming effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 description 13
- 230000008020 evaporation Effects 0.000 description 13
- 150000003839 salts Chemical class 0.000 description 6
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0031—Evaporation of components of the mixture to be separated by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Treatment Of Sludge (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/712,033 US4113552A (en) | 1976-08-05 | 1976-08-05 | Elutriation leg and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2704116A1 DE2704116A1 (de) | 1978-02-09 |
| DE2704116C2 true DE2704116C2 (enExample) | 1989-06-22 |
Family
ID=24860525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772704116 Granted DE2704116A1 (de) | 1976-08-05 | 1977-02-01 | Verfahren und vorrichtung zum sammeln und ausscheiden von feststoffen aus schlamm-massen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4113552A (enExample) |
| JP (1) | JPS5922561B2 (enExample) |
| CA (1) | CA1080114A (enExample) |
| CH (1) | CH618098A5 (enExample) |
| DE (1) | DE2704116A1 (enExample) |
| FR (1) | FR2360329A1 (enExample) |
| GB (1) | GB1588194A (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1125989A (en) * | 1978-06-28 | 1982-06-22 | Erco Industries Limited | Modular chlorine dioxide generation systems |
| US4336228A (en) * | 1978-11-29 | 1982-06-22 | Erco Industries Limited | Chlorine dioxide generator |
| US4276262A (en) * | 1978-11-29 | 1981-06-30 | Erco Industries Limited | Chlorine dioxide generator |
| IT1270000B (it) * | 1994-09-22 | 1997-04-16 | Solvay Interox | Procedimento per la fabbricazione di particelle di persali |
| RU2341316C2 (ru) * | 2006-12-19 | 2008-12-20 | Закрытое акционерное общество Научно-производственное предприятие "Машпром" (ЗАО НПП "Машпром") | Аппарат для кристаллизации растворов |
| KR101947385B1 (ko) * | 2012-07-17 | 2019-02-13 | 사타케 가가쿠 기카이 고교 가부시키가이샤 | 결정화 장치 |
| EP3981485A1 (en) * | 2020-10-08 | 2022-04-13 | Yara International ASA | Bottom chamber of a stripper |
| BR112023019412A2 (pt) | 2021-03-25 | 2023-11-28 | Hatch Ltd | Processo para remoção de impurezas de um sulfato de metal cristalizado, processo para cristalizar um sulfato de metal selecionado, circuito de lavagem em contracorrente para remoção de impurezas de sulfato de metal cristalizado e processo para gerar um sulfato de metal |
| EP4082643A1 (en) * | 2021-04-28 | 2022-11-02 | Casale Sa | Improvements to equipment of urea plants |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1191108A (en) * | 1915-05-13 | 1916-07-11 | Kestner Evaporator Company | Evaporator. |
| US1434089A (en) * | 1920-12-13 | 1922-10-31 | Niels C Christensen | Apparatus for the countercurrent washing of finely-divided solids |
| US1860118A (en) * | 1927-12-19 | 1932-05-24 | Ray Thomas | Crystal building pan |
| US2035441A (en) * | 1930-01-31 | 1936-03-31 | American Potash & Chem Corp | Apparatus for the manufacture of sodium carbonate monohydrate |
| US2207347A (en) * | 1937-04-10 | 1940-07-09 | Zaremba Company | Crystallizing evaporator |
| US2232115A (en) * | 1937-09-13 | 1941-02-18 | Koppers Co Inc | Saturator for the manufacture of a coarse crystalline sulphate of ammonia |
| US2671011A (en) * | 1948-09-29 | 1954-03-02 | Koppers Co Inc | Ammonium sulfate crystal producing apparatus |
| US3071447A (en) * | 1958-09-09 | 1963-01-01 | Whiting Corp | Hydraulic classifier |
| DE1136651B (de) * | 1959-03-26 | 1962-09-20 | Kleemann S Vereinigte Fabriken | Klassierkegel zur Feinsandaufbereitung |
| DE1241414B (de) * | 1961-07-07 | 1967-06-01 | Metallgesellschaft Ag | Kristallisieranlage zur Gewinnung grobkoerniger Kristalle |
| DE1257103B (de) * | 1962-03-02 | 1967-12-28 | Metallgesellschaft Ag | Verfahren zur Beseitigung von Feinkorn bei der Erzeugung grobkoerniger Kristalle aus Loesungen durch Vakuumkuehlung |
| DE1667327A1 (de) * | 1965-04-26 | 1971-06-09 | Union Oil Co | Zustromverteiler |
| NL135394C (enExample) * | 1967-03-03 | 1972-06-15 | ||
| US3627496A (en) * | 1968-07-29 | 1971-12-14 | Kerr Mc Gee Chem Corp | Impingement plate for crystallizer |
| US3873275A (en) * | 1969-09-29 | 1975-03-25 | Whiting Corp | Crystallization apparatus and method |
-
1976
- 1976-08-05 US US05/712,033 patent/US4113552A/en not_active Expired - Lifetime
- 1976-12-17 CA CA268,110A patent/CA1080114A/en not_active Expired
-
1977
- 1977-01-07 JP JP52000717A patent/JPS5922561B2/ja not_active Expired
- 1977-02-01 DE DE19772704116 patent/DE2704116A1/de active Granted
- 1977-02-11 CH CH172977A patent/CH618098A5/de not_active IP Right Cessation
- 1977-03-31 FR FR7709722A patent/FR2360329A1/fr active Granted
- 1977-06-02 GB GB23527/77A patent/GB1588194A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH618098A5 (enExample) | 1980-07-15 |
| JPS5922561B2 (ja) | 1984-05-28 |
| GB1588194A (en) | 1981-04-15 |
| US4113552A (en) | 1978-09-12 |
| FR2360329B1 (enExample) | 1984-06-29 |
| CA1080114A (en) | 1980-06-24 |
| JPS5320653A (en) | 1978-02-25 |
| DE2704116A1 (de) | 1978-02-09 |
| FR2360329A1 (fr) | 1978-03-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OAM | Search report available | ||
| OC | Search report available | ||
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings |