EP0153447B1 - Procédé et appareil pour préparer des produits secs à partir de sirops de sucre - Google Patents

Procédé et appareil pour préparer des produits secs à partir de sirops de sucre Download PDF

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Publication number
EP0153447B1
EP0153447B1 EP84112248A EP84112248A EP0153447B1 EP 0153447 B1 EP0153447 B1 EP 0153447B1 EP 84112248 A EP84112248 A EP 84112248A EP 84112248 A EP84112248 A EP 84112248A EP 0153447 B1 EP0153447 B1 EP 0153447B1
Authority
EP
European Patent Office
Prior art keywords
sugar
dry
product
process according
syrup
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
EP84112248A
Other languages
German (de)
English (en)
Other versions
EP0153447A3 (en
EP0153447A2 (fr
Inventor
Udo Breithaupt
Herta Benecke
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
Application filed by Pfeifer and Langen GmbH and Co KG filed Critical Pfeifer and Langen GmbH and Co KG
Priority to AT84112248T priority Critical patent/ATE54171T1/de
Publication of EP0153447A2 publication Critical patent/EP0153447A2/fr
Publication of EP0153447A3 publication Critical patent/EP0153447A3/de
Application granted granted Critical
Publication of EP0153447B1 publication Critical patent/EP0153447B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C13SUGAR INDUSTRY
    • C13BPRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B40/00Drying sugar
    • C13B40/002Drying sugar or syrup in bulk

Definitions

  • sucrose The exploitation of the positive enthalpy of crystallization of sucrose is known.
  • large quantities of sugar are produced in Brazil and Portugal using the so-called amorphous or aerado process.
  • the sugar solution is thickened in batches in one, but usually two, series-connected, heated containers equipped with powerful stirrers until crystallization occurs, indicated by seed crystals, whereby the remaining water evaporates and an amorphous-crystalline, free-flowing powder is formed (VE Baikow, Manufacture and refining of raw cane sugar, Sugar series volume 2, pages 445 to 447, Elsevier Science Publishing Company Inc., New York, 1982).
  • littered sugar syrup is subjected to a shear force with a velocity gradient of at least 5000 cm / sec / cm to cause the sudden, suddenly forced homogeneous crystal nucleation, and then the crystallization is allowed to proceed.
  • the required high shear forces are caused by complicated equipment, e.g. High-speed colloid mills, caused (DE-PS 25 16 253).
  • sucrose which can contain up to 15% non-sucrose substances.
  • This can be other types of sugar, e.g. Dextrose, fructose, malt sugar, glucose syrups, starch, dextrins, maltodextrin, cocoa, coffee, tea extracts, medicinal tea extracts and extracts of tea-like products, fats, milk powder, fruit powder, edible acids such as lactic acid, citric acid, tartaric acid, table salt, other mineral salts, spices , Colors, flavors or vitamins.
  • the invention is based on the task of converting syrups from sugar production and mixtures with other foodstuffs, after appropriate preconcentration, in a manner that is gentle on the product while largely maintaining the original composition, in particular the accompanying substances present in the sugar solutions or syrups, in a powder or granule form.
  • the invention relates to a method for producing sugar dry products by spontaneous crystallisation of supersaturated sugar solutions, in which a sugar solution having at least 70% dry substance and up to 15% non-sucrose substances in the dry substance by gentle product Kurzze i thocherhitzung and closing Ent Sanchez the vapors to a dry solids content of at least 90% and the thickened syrup is only converted into a dry, free-flowing product by cooling and sudden removal of the remaining water by crystallization.
  • the short-term high-temperature heating is preferably carried out in a steam-heated spiral tube with forced passage.
  • the sugar solution is brought to a temperature of 135 to 155 ° C, depending on the content of non-sucrose substances.
  • Typical of the process is the comparatively higher thickening of the syrup in an easily controllable, force-fed single-tube spiral heat exchanger.
  • the physical-thermal conditions are therefore comparatively easier to define.
  • the concentration of the thickened syrup can therefore be very high almost without risk. Process parameters that can be reproduced very well are also guaranteed in continuous operation.
  • the supersaturated sugar syrup with a dry matter content of 90 to 97%, depending on the content and type of non-sucrose substances, can then be metered continuously into any suitable conveyor system, whereby it must be ensured that the water vapor which forms due to the exothermic reaction can escape.
  • Any suitable conveyor system which can be ensured that the water vapor which forms due to the exothermic reaction can escape.
  • Both slow-running, open screw conveyors and belt conveyors are suitable for this, but also vacuum scraper coolers, which should be cooled after the end of the crystallization phase to protect the product.
  • belt conveyors it is also advisable to heat the feed point in order to prevent excessive heat losses which lead to the formation of a glass-like, non-crystallizing melt.
  • a steel strip is used as the crystallizer for the thickened syrup, it is heated in the transfer area and then cooled. In the transfer area, the steel strip should be preheated to a temperature of about 60 to 40 ° C below the temperature of the thickened syrup. If the steel strip is too cool, there is a risk of glass formation especially in the bottom layer, i.e. it does not produce the desired microkirstallin-amorphous instant product. If the temperature is too high, the crystallization is delayed so that the product is still too warm after leaving the crystallizer. The same applies to other crystallizers, e.g. an open belt conveyor cooled in the second part.
  • microcrystalline structure is characteristic of the products produced by the process according to the invention. They therefore have an instant-like solution behavior and, as far as mixtures of sugar with other foods are concerned, excellent homogeneity.
  • the process according to the invention is considerably less capital and energy intensive than the conventional evaporative crystallization with subsequent centrifugation and thus reduces the overall production costs. Because of the gentle procedure, it is also possible according to the invention to produce dry food mixtures with a high sucrose content but heat-sensitive accompanying substances without the latter being chemically changed.
  • a device as described below in connection with the drawing is preferably used to carry out the method according to the invention. It is characterized by a steam-heated spiral tube heat exchanger 1 with a spiral tube 2, which increases increasingly to 150 to 200% of its original clear width, with swirl internals 3, a steam separator 4 under atmospheric pressure and an open belt screw arranged underneath, the second part provided with a cooling jacket 6. Conveyor 5. Natural whole cane sugar and a process for its production are the subject of EP-B-0 153 448 of the same priority and registered on the same day.
  • 1,050 kg of sugar solution with a total dry matter content of 70.5% with a dry matter content of 88.05% sucrose, 10% glucose, 1.0% honey and 0.95% herbal tea extract were consisting of 20 herbal extracts such as peppermint, eucalyptus, chamomile, anise, etc., after preheating to 68 ° C within 40 seconds to 152 ° C (heating steam pressure 6.5 bar) and then discharged according to Example 3 in a belt screw conveyor. After about 20 seconds, the remaining water had evaporated after a brief foaming.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Jellies, Jams, And Syrups (AREA)
  • Confectionery (AREA)
  • Saccharide Compounds (AREA)

Claims (12)

1. Procédé pour préparer des produits secs contenant du sucre par cristallisation spontanée de solutions sursaturées de sucre, caractérisé en ce qu'on porte à une teneur en substance sèche d'au moins 90% une solution de sucre contenant au moins 70% de substance sèche et jusqu'à 15% de matières étrangères au saccharose dans la substance sèche, par chauffage dans des conditions douces pour le produit, en moins de 60 secondes à une température de 135 à 155°C, puis dégagement de la vapeur de jus, et on transforme le sirop épaissi uniquement après refroidissement et brusque élimination de l'eau résiduelle, par cristallisation en un produit sec capable de s'écouler.
2. Procédé suivant la revendication 1, caractérisé en ce que la chauffage dans des conditions douces pour le produit est effectué dans un tube en hélice à circulation forcée.
3. Procédé suivant l'une des revendications 1 ou 2, caractérisé en ce que l'élimination de la vapeur de jus est effectuée à la pression atmosphérique dans une chambre de séparation.
4. Procédé suivant l'une des revendications 1 à 3, caractérisé en ce que la solution de sucre est portée à une température de 135 à 155°C par le chauffage effectué dans des conditions douces pour le produit avant la dégagement de la vapeur de jus, selon la quantité et la nature des matières étrangères au saccharose.
5. Procédé suivant l'une des revendications 1 à 4, caractérisé en ce que le sirop épaissi est refroidi d'au moins 10°C par cristallisation.
6. Procédé suivant l'une des revendications 1 à 5, caractérisé en ce qu'on laisse le sirop épaissi s'écouler librement de la chambre de séparation de vapeur de jus en vue de la cristallisation.
7. Procédé suivant l'une des revendications 1 à 5, caractérisé en ce qu'on pulvérise le sirop épaissi pour la cristallisation.
8. Procédé suivant l'une des revendications 1 à 7, caractérisé en ce que le sirop épaissi est déposé sur une bande d'acier préalablement chauffée à une température de 40 à 60°C au-dessous de la température du sirop puis est refroidi.
9. Procédé suivant l'une des revendications 1 à 8, caractérisé en ce qu'on porte à une teneur en substance sèche d'au moins 95% des égouts de la fabrication du sucre contenant 75 à 85% de substance sèche, jusqu'à 88% de saccharose et au moins 12% de matières étrangères au saccharose par chauffage, dans des conditions douces pour le produit, en 40 à 50 secondes, à 140-148°C puis par dégagement de la vapeur de jus, et on transforme le sirop épaissi, par refroidissement de 15°C et élimination brusque de l'eau résiduelle, en un sucre soluble de couleur brune.
10. Dispositif pour la préparation de produits secs contenant du sucre, caractérisé par un échangeur de chaleur (1) à tube hélicoïdial, chauffé à la vapeur, comportant un tube en hélice (2) allant en s'élargissant de 150 à 200% de son diamètre intérieur initial, comportant des chicanes inclinées (3), un séparateur de vapeur (4) à la pression atmosphérique et un cristallisateur disposé en dessous.
11. Dispositif suivant la revendication 10, caractérisé en ce que la cristallisateur est réalisé comme transporter ouvert (5) à vis sans fin et à bande, comportant une enveloppe de refroidissement (6) dans la seconde partie.
12. Dispositif suivant la revendication 11, caractérisé en ce que le cristallisateur est une bande en acier chauffée dans la zone de transfert puis refroidie.
EP84112248A 1984-02-29 1984-10-11 Procédé et appareil pour préparer des produits secs à partir de sirops de sucre Expired - Lifetime EP0153447B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84112248T ATE54171T1 (de) 1984-02-29 1984-10-11 Verfahren und vorrichtung zur herstellung von trockenprodukten aus zuckersirup.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843407374 DE3407374A1 (de) 1984-02-29 1984-02-29 Verfahren und vorrichtung zur herstellung von trockenprodukten aus zuckersirup
DE3407374 1984-02-29

Publications (3)

Publication Number Publication Date
EP0153447A2 EP0153447A2 (fr) 1985-09-04
EP0153447A3 EP0153447A3 (en) 1987-11-04
EP0153447B1 true EP0153447B1 (fr) 1990-06-27

Family

ID=6229168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84112248A Expired - Lifetime EP0153447B1 (fr) 1984-02-29 1984-10-11 Procédé et appareil pour préparer des produits secs à partir de sirops de sucre

Country Status (4)

Country Link
US (1) US4651715A (fr)
EP (1) EP0153447B1 (fr)
AT (1) ATE54171T1 (fr)
DE (2) DE3407374A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1208242B (it) * 1987-02-11 1989-06-12 Eridania Procedimento e dispositivo per la cristallizzazione di massecotte di media e bassa purezza
FR2613619B1 (fr) * 1987-04-07 1993-10-15 Recherche Informatique Pharmacie Medicaments, produits dietetiques ou produits d'hygiene sous forme de compositions pulverulentes obtenues par adsorption de principes actifs sur un sucre a dissolution rapide
IT1208310B (it) * 1987-06-22 1989-06-12 Eridania Produzione di zucchero commerciale mediante cristallizzazione nontradizionale per raffreddamento da soluzioni zuccherine
DK163332C (da) * 1988-03-23 1992-07-20 Danisco Fremgangsmaade til fremstilling af en blanding af inulider
DE3842751A1 (de) * 1988-12-19 1990-07-05 Gea Wiegand Gmbh Zucker und verfahren zu seiner herstellung
US6703057B2 (en) * 1996-07-13 2004-03-09 Parnova Enterprises Limited Granulated sugar product
WO2010138530A1 (fr) * 2009-05-27 2010-12-02 Tate & Lyle Ingredients Americas, Inc. Sirop de remplacement de miel
US20110027445A1 (en) * 2009-07-28 2011-02-03 Heartland Sweeteners, LLC No-calorie sweetener compositions
US20110027444A1 (en) * 2009-07-28 2011-02-03 Heartland Sweeteners, LLC No-calorie sweetener compositions
US20110027446A1 (en) * 2009-07-28 2011-02-03 Heartland Sweeteners, LLC No-calorie sweetener compositions
EP3804531A1 (fr) 2019-10-11 2021-04-14 Begapinol Dr. Schmidt GmbH Granulation de topinambur
CN113513880A (zh) * 2021-04-14 2021-10-19 江苏瑞霖制药装备有限公司 一种真空干燥热源使用节能型换热器的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365331A (en) * 1964-07-06 1968-01-23 American Sugar Sugar process and product
GB1163694A (en) * 1968-01-15 1969-09-10 American Sugar Improvements in or relating to Method of Preparing a Granular Free-Flowing Sugar Product.
US4162927A (en) * 1972-11-13 1979-07-31 Morfin Alvarez Rafael Apparatus for crystallizing sugar solution and mother liquors continuously by evaporation
GB1460614A (en) * 1974-04-16 1977-01-06 Tate & Lyle Ltd Production of crystalline sugar
DE2729192C2 (de) * 1977-06-28 1979-06-21 Sueddeutsche Zucker-Ag, 6800 Mannheim Verfahren zur Ausnutzung des Wärmeinhaltes von Kondensaten und/oder Brüden bei der Zuckerherstellung
HU184672B (en) * 1979-03-21 1984-09-28 Richter Gedeon Vegyeszet Apparatus for handling wet solid materials, preferably pasty materials with heating or cooling
US4216025A (en) * 1979-04-03 1980-08-05 Anthony Monti Sugar crystallization process
ATE9716T1 (de) * 1980-02-27 1984-10-15 Tate & Lyle Public Limited Company Kristalline glukose und verfahren zu deren herstellung.
US4468409A (en) * 1981-09-02 1984-08-28 Chemetron Process Equipment, Inc. Method for the continuous production of confections

Also Published As

Publication number Publication date
ATE54171T1 (de) 1990-07-15
US4651715A (en) 1987-03-24
EP0153447A3 (en) 1987-11-04
DE3407374A1 (de) 1985-08-29
DE3482596D1 (de) 1990-08-02
EP0153447A2 (fr) 1985-09-04

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