GB1421576A - Continuously operable apparatus for crystallisation character ised in having a device for supplying the same - Google Patents
Continuously operable apparatus for crystallisation character ised in having a device for supplying the sameInfo
- Publication number
- GB1421576A GB1421576A GB1393573A GB1393573A GB1421576A GB 1421576 A GB1421576 A GB 1421576A GB 1393573 A GB1393573 A GB 1393573A GB 1393573 A GB1393573 A GB 1393573A GB 1421576 A GB1421576 A GB 1421576A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pipe
- solution
- compartment
- compartments
- partitions
- 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
- C13—SUGAR INDUSTRY
- C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
- C13B30/00—Crystallisation; Crystallising apparatus; Separating crystals from mother liquors ; Evaporating or boiling sugar juice
- C13B30/02—Crystallisation; Crystallising apparatus
- C13B30/022—Continuous processes, apparatus therefor
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Polyesters Or Polycarbonates (AREA)
Abstract
1421576 Evaporative crystallization SOC FIVES LILLE-CAIL 22 March 1973 [29 March 1972] 13935/73 Heading BIG Apparatus for crystallizing by evaporation and which includes regulating the supply of sub-saturated solution and also washing the inner walls of the apparatus with this solution comprises a vertically disposed closed cylindrical tank in whioh the lower portion of the tank is divided into a plurality of compartments by radial partitions and wherein successive compartments communicate with each other by apertures formed in the partitions except for the outlet compartment and that one situated immediately after it and a device for supplying sub-saturated solution comprising a pipe with a plurality of holes spaced along the pipe from which is projected the solution, means for rotating the pipe about a vertical axis above partitions and means for varying in accordance with the position of the pipe, the volume of solution which the pipe discharges into each compartment. The solution dischaged may be varied by altering the rotational speed of the pipe or the supply rate of the solution to the pipe in accordance with a predetermined cycle. The rotational speed of the pipe when driven by a motor may be controlled by a rotary switch on an arm rotating synchronously with the pipe and actuating fixed contact makers as the pipe passes from compartment to compartment. The pipe may also be driven by a two speed motor adjustable for each compartment. The rotational speed of the pipe may also be varied by a suitably profiled cam fixed on the shaft of the pipe. The volume of solution supplied to the pipe may be varied by a valve arranged in the supply conduit for the pipe. Figures 1 and 2 show respectively a vertical section of a crystallization apparatus and device, and a cross-section of the apparatus, wherein tank 10 is divided into eight compartments by partitions 15 which contain aperatures 28 except in compartments 0 and 7. In compartment 0 the solution is concentrated by heater 30, until saturated, whilst from 7 the desired crystalline material is recovered from conduit 24. The jet pipe 32 is rotated by a geared motor (not shown) and distributes the unsaturated solution successively and periodically into all the compartments.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7210952A FR2177536B1 (en) | 1972-03-29 | 1972-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1421576A true GB1421576A (en) | 1976-01-21 |
Family
ID=9095971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1393573A Expired GB1421576A (en) | 1972-03-29 | 1973-03-22 | Continuously operable apparatus for crystallisation character ised in having a device for supplying the same |
Country Status (9)
Country | Link |
---|---|
AR (1) | AR204394A1 (en) |
BE (1) | BE797532A (en) |
BR (1) | BR7302237D0 (en) |
CA (1) | CA990637A (en) |
ES (1) | ES413035A1 (en) |
FR (1) | FR2177536B1 (en) |
GB (1) | GB1421576A (en) |
IT (1) | IT981718B (en) |
ZA (1) | ZA732174B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007113849A1 (en) * | 2006-03-30 | 2007-10-11 | Spray Engineering Devices Limited | Improved vertical continuous vacuum pan |
WO2024127162A1 (en) * | 2022-12-06 | 2024-06-20 | Khalifeh Nasser Z A | Date sugar concentrates |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2602154B1 (en) * | 1986-08-01 | 1988-10-07 | Fives Cail Babcock | SUPPLY DEVICE FOR A CRYSTALLIZATION APPARATUS WITH CONTINUOUS OPERATION |
FR2604918B1 (en) * | 1986-10-14 | 1988-12-30 | Fives Cail Babcock | SUPPLY DEVICE FOR A CRYSTALLIZATION APPARATUS WITH CONTINUOUS OPERATION |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1557832A (en) * | 1967-12-18 | 1969-02-21 |
-
1972
- 1972-03-29 FR FR7210952A patent/FR2177536B1/fr not_active Expired
-
1973
- 1973-01-01 AR AR247264A patent/AR204394A1/en active
- 1973-03-22 GB GB1393573A patent/GB1421576A/en not_active Expired
- 1973-03-27 ES ES413035A patent/ES413035A1/en not_active Expired
- 1973-03-28 BR BR732237A patent/BR7302237D0/en unknown
- 1973-03-28 IT IT22291/73A patent/IT981718B/en active
- 1973-03-28 CA CA167,381A patent/CA990637A/en not_active Expired
- 1973-03-29 BE BE129442A patent/BE797532A/en unknown
- 1973-03-29 ZA ZA732174A patent/ZA732174B/en unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007113849A1 (en) * | 2006-03-30 | 2007-10-11 | Spray Engineering Devices Limited | Improved vertical continuous vacuum pan |
EA013155B1 (en) * | 2006-03-30 | 2010-02-26 | Спрей Энджиниринг Дивайсиз Лимитед | Improved vertical continuous vacuum pan |
AU2006341267B2 (en) * | 2006-03-30 | 2010-12-09 | Spray Engineering Devices Limited | Improved vertical continuous vacuum pan |
US7972445B2 (en) | 2006-03-30 | 2011-07-05 | Spray Engineering Devices Limited | Vertical continuous vacuum pan |
WO2024127162A1 (en) * | 2022-12-06 | 2024-06-20 | Khalifeh Nasser Z A | Date sugar concentrates |
Also Published As
Publication number | Publication date |
---|---|
BE797532A (en) | 1973-07-16 |
IT981718B (en) | 1974-10-10 |
BR7302237D0 (en) | 1974-07-25 |
FR2177536B1 (en) | 1974-08-02 |
ZA732174B (en) | 1974-01-30 |
CA990637A (en) | 1976-06-08 |
FR2177536A1 (en) | 1973-11-09 |
ES413035A1 (en) | 1976-01-16 |
AR204394A1 (en) | 1976-02-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |