DE50214497D1 - Process for the batch production of large sugar crystals - Google Patents

Process for the batch production of large sugar crystals

Info

Publication number
DE50214497D1
DE50214497D1 DE50214497T DE50214497T DE50214497D1 DE 50214497 D1 DE50214497 D1 DE 50214497D1 DE 50214497 T DE50214497 T DE 50214497T DE 50214497 T DE50214497 T DE 50214497T DE 50214497 D1 DE50214497 D1 DE 50214497D1
Authority
DE
Germany
Prior art keywords
crystals
crystallizing
sugar solution
developed
over
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 - Lifetime
Application number
DE50214497T
Other languages
German (de)
Inventor
Martin Dr Bruhns
Thomas Huwer
Juergen Dr Kohnke
Oliver Dr Zingsheim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pfeifer and Langen GmbH and Co KG
Original Assignee
Pfeifer and Langen GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE2001135079 external-priority patent/DE10135079C2/en
Application filed by Pfeifer and Langen GmbH and Co KG filed Critical Pfeifer and Langen GmbH and Co KG
Priority to DE50214497T priority Critical patent/DE50214497D1/en
Application granted granted Critical
Publication of DE50214497D1 publication Critical patent/DE50214497D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B25/00—Evaporators or boiling pans specially adapted for sugar juices; Evaporating or boiling sugar juices
    • 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
    • C13B30/026—Discontinuous processes or apparatus therefor
    • 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
    • C13B30/04—Separating crystals from mother liquor
    • C13B30/12—Recycling mother liquor or wash liquors
    • 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
    • C13B30/04—Separating crystals from mother liquor
    • C13B30/14—Dissolving or refining raw sugar

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Sustainable Development (AREA)
  • Saccharide Compounds (AREA)
  • Seasonings (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

To produce large sugar crystals of ≥ 5 mm and preferably ≥ 8 mm, in batches, the crystals are developed by vapor crystallizing in a crystallizing vessel. A relative movement is generated between the developing crystals and the over-saturated sugar solution, to give the crystals a floating movement. To produce large sugar crystals of at least 5 mm and preferably at least 8 mm, in batches, they are developed by vapor crystallizing in a crystallizing vessel. A relative movement is generated between the developing crystals and the over-saturated sugar solution, to give the crystals a floating movement. The relative movement is developed by a rising flow of the sugar solution, without any mechanical action, controlled by the water content recovered from evaporation. The heating is controlled to maintain the over-saturation of the sugar solution at a constant level. The assembly also has a heated sieve base, and a separation system for newly-formed fine grains in a collection vessel which calms the flow.
DE50214497T 2001-07-19 2002-07-06 Process for the batch production of large sugar crystals Expired - Lifetime DE50214497D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE50214497T DE50214497D1 (en) 2001-07-19 2002-07-06 Process for the batch production of large sugar crystals

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2001135079 DE10135079C2 (en) 2001-07-19 2001-07-19 Process for the batchwise production of sugar crystals without threads and device for carrying them out
DE10142027 2001-08-28
DE50214497T DE50214497D1 (en) 2001-07-19 2002-07-06 Process for the batch production of large sugar crystals

Publications (1)

Publication Number Publication Date
DE50214497D1 true DE50214497D1 (en) 2010-08-05

Family

ID=26009730

Family Applications (1)

Application Number Title Priority Date Filing Date
DE50214497T Expired - Lifetime DE50214497D1 (en) 2001-07-19 2002-07-06 Process for the batch production of large sugar crystals

Country Status (7)

Country Link
EP (1) EP1279745B1 (en)
AT (1) ATE471992T1 (en)
DE (1) DE50214497D1 (en)
DK (1) DK1279745T3 (en)
ES (1) ES2347530T3 (en)
HU (1) HUP0202375A3 (en)
PL (1) PL208331B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007020671A1 (en) * 2007-05-01 2008-11-06 Justus-Liebig-Universität Giessen Growth of inorganic, organic, bioorganic or biological object e.g. tissue or embryos from saturated/supersaturated nutrient solution, comprises flowing growth object in flow direction of the solution and then regulating the flow direction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR838690A (en) * 1937-11-25 1939-03-13 Quint & Flamant Reunis Ets Process for the crystallization of sweet liquors or others
DE1172200B (en) * 1963-02-28 1964-06-11 Tintelnot Geb Process and device for the production of rock candy in the form of crystal conglomerates
CH447980A (en) * 1964-06-05 1967-11-30 Soc D Raffineries De Sucre De Apparatus for the regulation of sucrose crystallization
US4004886A (en) * 1969-12-12 1977-01-25 Stamicarbon B.V. Two stage continuous process and apparatus for crystallization
DE3420001A1 (en) * 1984-05-29 1985-12-05 Pfeifer & Langen, 5000 Köln METHOD FOR REGULATING THE VACUUM COOKING PROCESS FOR PRODUCING CRYSTALLINE SUGAR
DD294731A5 (en) * 1990-05-25 1991-10-10 Institut Fuer Forschung Und Rationalisierung Der Zuckerindustrie,De METHOD FOR PRODUCING THINNESS KANDIS
FR2669510B1 (en) * 1990-11-22 1993-01-22 Fcb DISCONTINUOUS PROCESS FOR CRYSTALIZING A SYRUP AND APPARATUS FOR CARRYING OUT SAID METHOD.

Also Published As

Publication number Publication date
EP1279745B1 (en) 2010-06-23
HU0202375D0 (en) 2002-10-28
HUP0202375A2 (en) 2003-08-28
ATE471992T1 (en) 2010-07-15
PL355007A1 (en) 2003-01-27
DK1279745T3 (en) 2010-10-18
PL208331B1 (en) 2011-04-29
EP1279745A1 (en) 2003-01-29
ES2347530T3 (en) 2010-11-02
HUP0202375A3 (en) 2003-09-29

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PFEIFER & LANGEN KOMMANDITGESELLSCHAFT, 50933 , DE