EP0324400B1 - Verfahren und Einrichtung zur Herstellung von Mühlenprodukten - Google Patents

Verfahren und Einrichtung zur Herstellung von Mühlenprodukten Download PDF

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Publication number
EP0324400B1
EP0324400B1 EP89100238A EP89100238A EP0324400B1 EP 0324400 B1 EP0324400 B1 EP 0324400B1 EP 89100238 A EP89100238 A EP 89100238A EP 89100238 A EP89100238 A EP 89100238A EP 0324400 B1 EP0324400 B1 EP 0324400B1
Authority
EP
European Patent Office
Prior art keywords
oxygen
accordance
product
free
atmosphere
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.)
Revoked
Application number
EP89100238A
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German (de)
English (en)
French (fr)
Other versions
EP0324400A3 (en
EP0324400A2 (de
Inventor
Johann Georg Dr. Schnitzer
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.)
Individual
Original Assignee
Individual
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4180022&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0324400(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT89100238T priority Critical patent/ATE99190T1/de
Publication of EP0324400A2 publication Critical patent/EP0324400A2/de
Publication of EP0324400A3 publication Critical patent/EP0324400A3/de
Application granted granted Critical
Publication of EP0324400B1 publication Critical patent/EP0324400B1/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02B—PREPARING GRAIN FOR MILLING; REFINING GRANULAR FRUIT TO COMMERCIAL PRODUCTS BY WORKING THE SURFACE
    • B02B1/00—Preparing grain for milling or like processes
    • B02B1/08—Conditioning grain with respect to temperature or water content
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C11/00—Other auxiliary devices or accessories specially adapted for grain mills
    • B02C11/08—Cooling, heating, ventilating, conditioning with respect to temperature or water content

Definitions

  • the invention relates to a method for producing mill products from vegetable granular material.
  • Cereal grains are naturally designed so that they can be germinated if stored dry and undamaged over one or more vegetation periods.
  • the vegetable fat as a higher form of an energy concentration is often concentrated in the germ area. All parts, in addition to the outermost cellulose-like grain layer, are used for the construction of the new plant. Humans have also taken advantage of this balanced composition of essential ingredients.
  • Today, the main amount of white flour is worked out in the high-milling plant, e.g. for bread and pastries, pasta, etc.
  • the nutritionally physiologically most valuable parts of the grain especially the germination and partly the outer layers of the grain, are kept away from these ground products, for human consumption.
  • the germ is the most valuable part of the grain and at the same time also contains the largest proportion of vegetable fat, namely in form the highly unsaturated fatty acids, which are beneficial to health.
  • the applicant himself has been able to provide evidence since the beginning of the 1960s, alarmed by the rapid decay of human teeth, that at least one reason for this lies in the flour of the milling plant, which is poor in vital substances. This gave rise to the advice to return to the old flat mill or the stone mill.
  • Another important point was recognized in the fact that with the so-called wholemeal products, i.e. flours or ground products, which contain all parts of the grain, they must no longer be stored after grinding, as otherwise different degradation and conversion processes, especially the oxidation of the Fat components take place.
  • the grain must therefore be ground integrally in the bakery next to the dough tray, similarly to the beginning of the use of grinding stones, and fed directly into the dough tray. In this way, the vital substances in the grain can be retained with a high percentage.
  • the invention has now set itself the task of creating a new method and corresponding devices that allow the commercial / industrial production of high-quality to high-quality ground products from cereals at a price acceptable to the end user.
  • Claim 9 specifies an apparatus for carrying out this method.
  • Advantageous embodiments of the invention are specified in the subclaims.
  • the method according to the invention is advantageous even with smaller mill outputs and is also relatively easy to use.
  • the invention can be implemented both in the traditional flat or stone mill and in modern passage milling with milling roller mills. It is possible to produce in large quantities products whose oxygen-sensitive, health-relevant ingredients are not or only to a small extent oxidized, but especially after Manufacture to store these in such a way that no subsequent oxidation occurs to the consumer, be it in the mill, in the bakery, in the household or pasta factory, etc. It has been shown that, depending on the type of product, the oxidation begins immediately when it is first digested or ground.
  • disintegration is to be understood as the transformation of the originally whole grain into a fragmented, as it were chewed form.
  • mill-based work techniques such as peeling, pre-peeling, grinding, sieving and sifting, mixing, conveying, etc., in which oxidation is conventionally prepared or would actually take place.
  • the processing of the mill products conventionally takes place with a moisture which is only slightly higher than the storage moisture. In the case of multiple grinding with roller mills, it is e.g. in the range of about 15%.
  • work is carried out dry with a product moisture below this storage moisture of about 15%.
  • the processing moisture can be in the range of e.g. 8 to 10% water content.
  • the cereal flakes are dried immediately after being crushed to a moisture content of less than 15%, preferably to a residual water content of 8 to 10%, and in appropriate dry atmosphere treated.
  • the method according to the invention ensures that wherever the regrind is subjected to strong movements, whether due to mechanical action or dynamic forces of the surrounding gas and with all longer periods of rest and storage, oxygen access is avoided.
  • the invention allows a whole series of particularly advantageous configurations.
  • the product is preferably divided into portions after dry grinding and preferably after intermediate storage and placed in airtight packaging, in the interior of which a vacuum or a reaction-neutral protective gas atmosphere is produced.
  • the oxygen-poor or oxygen-free atmosphere is produced by blowing in atmospheric nitrogen, carbon dioxide or another non-toxic gas.
  • nitrogen gas can also be used or these can be used one after the other. E.g. for easier displacement of the air and the relatively heavy carbon dioxide, which is only then replaced by a nitrogen gas for ongoing production.
  • the cold released by the expansion can be used to lower the temperature of the grinding tools and / or the atmosphere in the grinding chamber.
  • the disruption is very particularly preferably. the dry grinding of the cereal grains in several stages, all grinding stages taking place under an oxygen-poor or oxygen-free atmosphere.
  • a screening process can be carried out in each case between two grinding stages, the screening or screening also being carried out under the oxygen-poor or oxygen-free atmosphere.
  • milling roller mills with corrugated and smooth rollers are preferably used.
  • the digestion of the raw material with one, two or three grinding steps can preferably be designed as stone mills.
  • the material is preferably placed beforehand in an intermediate bunker, which also has the protective gas atmosphere. The goods are then brought directly into the packaging. In this case, only the entry of atmospheric oxygen must be avoided for the packaging. In many cases, the gas contained in the flour or semolina is completely sufficient as protection.
  • the raw material can also be peeled or scrubbed or peeled or tanned under the low-oxygen or oxygen-free atmosphere, and, if it is not processed immediately, in the low-oxygen or oxygen-free atmosphere Atmosphere or be packed. This allows, for example, the subsequent actual grinding to be carried out at a different time or at a different location.
  • an economically optimal embodiment of the new method according to the invention lies in the fact that a baking mixture is produced according to a predetermined recipe. This can be produced directly in portions in a mixing drum under the oxygen-poor or oxygen-free atmosphere and then packaged in vacuum or with the reaction-neutral protective gas atmosphere or initially stored temporarily with the reaction-neutral protective gas atmosphere.
  • the invention further relates to an apparatus for performing the method.
  • This is characterized in that it has unlocking elements and this housing, which completely surrounds it, without uncontrolled air passage openings, with product inlet and outlet openings which can be closed off from the free atmosphere, and means for supplying a reaction-neutral protective gas atmosphere.
  • the entire product path between all of the proposed plant elements such as the grinding unit, plan sifter, silo, etc. is made lockable by means of locks and / or sliders to prevent uncontrolled gas passage.
  • a feed line for part of the protective gas atmosphere is preferably provided in the region of the ground material intake of the grinding rollers or grinding bodies and / or a supply line for part of the protective gas atmosphere in the region of the ground material collecting space of the grinding rollers or grinding bodies.
  • the device shown in Figure 1 consists of a mill 1 with the shortest possible grinding path, for example a stone mill and a packaging machine 2 connected downstream of it, which, as is indicated by the dash-dotted border, designated 10, while avoiding the entry of atmospheric oxygen to it Product is operated.
  • the cereal grains 3 to be comminuted in the mill 1 are thus in an oxygen-poor or almost oxygen-free Atmosphere, which can be formed by a protective gas atmosphere from inert gases, such as nitrogen, carbonic acid or a mixture of these or by a vacuum, and the flour 4 obtained therefrom is then fed to the packaging machine 2 and the end product 5 is proportioned accordingly , immediately packed airtight, so that no oxygen can get to the ground material during processing and therefore no oxidation occurs.
  • the storable end product 5 thus contains all the vitamins and minerals contained in the grains 3, without these being damaged by oxidation, and can be processed at any time.
  • the mill 1 is a mixing machine 6, in which one or more additives 7, 7 ′ etc. can be added to the flour 4 ground from the cereal grains 3 and this is connected to a portioning machine 8.
  • the baking mixes or other mixtures 4 ′ produced in the mixing machine 6 are thus divided in the portioning machine 8 and the individual portions are then packed airtight in a packaging machine 2. Since, in turn, all operations are carried out with the exclusion of an oxygen atmosphere, as is indicated by the dash-dotted border 10, an end product 5 is produced from the cereal grains 3 and the additives 7, 7 ', which has no oxidation damage.
  • FIG. 1 A simply designed whole small mill system is shown in FIG.
  • the still undamaged grains are fed via a feed line 11 and a feed funnel 12 and a product lock 13 passed into the interior of the mill 1 designed as a stone mill.
  • the stone mill has two upright grinding stones rotating about a horizontal axis 14, one of which is the fixed stone 15 and the second of the rotor stone 16.
  • the rotor stone 16 is driven by an electric motor 17.
  • Flour 4 is directly via an additional funnel 18 and a lock 19 and a discharge pipe 20 into an air or. gas-tight container 21 fed.
  • the container 21 is almost filled with flour 4 in the picture.
  • the flour 4 is conveyed by a removal device 22 directly to a bag filling device 23, a compacting screw 23 'being arranged in the bag filling device 23.
  • the packaging machine is only symbolically represented by an empty sack 24, a sack 24 'on the filler neck and a finished and hermetically sealed sack 24''.
  • the gas e.g. as nitrogen gas or carbon dioxide
  • a gas source 25 directly into the pressure side of a gas line system 26.
  • Both the mill 1 and the container 21 each have their own gas circulation system, which is maintained via a pressure fan 27.
  • both for the mill 1 and for the container 21 each have their own gas system or. the specifically required gas resp. the permissible oxygen concentration can be regulated.
  • each working section can be closed completely gas-tight if necessary, for example by installing slides 28.
  • Figure 4 additionally shows the mixture of e.g. produce baking mixes, which can also be packed in airtight 24 '' bags.
  • the flour 4 is removed from the container 21 via a material lock 30 and placed in a gas-tight mixer. All additives such as yeast, salt, etc. are resp. From the corresponding storage cells 31. 32 removed and, like the flour itself, added to the batch mixer in precisely dosed quantities.
  • the corresponding control of all system elements is coordinated via a computer 33, as is only indicated schematically.
  • the finished, dry baking mixture is drained off in an intermediate container 34 and can be lifted into a sack 24 via an inclined conveyor 35 into a likewise gas-tight filling funnel 36, from which the individual sacks or containers for transport are now analogously as in FIG or the storage can be filled.
  • FIG. 5 now shows schematically an example of the implementation of the new invention with milling roller mills 40 and plan sifter 41.
  • the conveying and lifting system of the intermediate grinding products is done here with gas-tight screw conveyors 42.
  • the great advantage of this system is that it allows the individual grinding fractions to be mechanically digested in a very targeted manner, so that the baking properties, aromas and milling aspects can be optimized in every respect.
  • the individual workspaces can be placed under a specific gas atmosphere, or the corresponding Atmosphere can be maintained. This makes it possible to choose between the maximum target values for the ingredients with regard to human health and the economically still viable effort for maintaining the special atmosphere, the best syntheses that can still be achieved in practice.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cereal-Derived Products (AREA)
  • Bakery Products And Manufacturing Methods Therefor (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)
  • Storage Of Fruits Or Vegetables (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
EP89100238A 1988-01-14 1989-01-07 Verfahren und Einrichtung zur Herstellung von Mühlenprodukten Revoked EP0324400B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89100238T ATE99190T1 (de) 1988-01-14 1989-01-07 Verfahren und einrichtung zur herstellung von muehlenprodukten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH134/88 1988-01-14
CH134/88A CH677455A5 (enrdf_load_stackoverflow) 1988-01-14 1988-01-14

Publications (3)

Publication Number Publication Date
EP0324400A2 EP0324400A2 (de) 1989-07-19
EP0324400A3 EP0324400A3 (en) 1990-05-30
EP0324400B1 true EP0324400B1 (de) 1993-12-29

Family

ID=4180022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89100238A Revoked EP0324400B1 (de) 1988-01-14 1989-01-07 Verfahren und Einrichtung zur Herstellung von Mühlenprodukten

Country Status (5)

Country Link
EP (1) EP0324400B1 (enrdf_load_stackoverflow)
AT (1) ATE99190T1 (enrdf_load_stackoverflow)
CH (1) CH677455A5 (enrdf_load_stackoverflow)
DE (1) DE58906507D1 (enrdf_load_stackoverflow)
ES (1) ES2049762T3 (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3059572B1 (fr) * 2016-12-06 2019-01-25 Commissariat A L'energie Atomique Et Aux Energies Alternatives Systeme d'alimentation en poudre a partir de granules, procede et installation de gazeification de charge de matiere carbonee dans un reacteur a flux entraine (rfe) utilisant un tel systeme
US20240399384A1 (en) * 2023-06-01 2024-12-05 Nanchang University Device that effectively produces macha powder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2381421A (en) * 1942-03-12 1945-08-07 Claude R Wickard Method of treating cereal grains
GB822935A (en) * 1955-12-13 1959-11-04 Harald Adriaan Bok Improvements in or relating to apparatus for gelatinizing of granular or like materials
DE2002958A1 (de) * 1970-01-23 1971-07-29 Alfred Taubert Verfahren zur Erhaltung des natuerlichen Kakaoaromas bei der Herstellung von Kakaoerzeugnissen
US4069349A (en) * 1970-06-22 1978-01-17 The Continental Group, Inc. Process for vacuum packaging of roasted, ground coffee
FR2298960A1 (fr) * 1975-01-28 1976-08-27 Scholz Walter Procede pour la conservation de fourrages
JPS5479872A (en) * 1977-12-08 1979-06-26 Kelsey Hayes Co Powder classifier
DE3060277D1 (en) * 1979-04-26 1982-05-19 Buehler Ag Geb Method and device for pregrinding cocoa nibs
DE2938635A1 (de) * 1979-09-25 1981-04-09 Ing.(grad.) Heinz 4390 Gladbeck Hölter Verfahren zur trennung von getreidekornschalen vom kornkern
CH662477A5 (de) * 1983-03-22 1987-10-15 Buehler Ag Geb Verfahren zum behandeln von schalenfruechten.
DE3545828A1 (de) * 1985-12-23 1987-07-02 Jackering Altenburger Masch Verfahren und einrichtung zum betrieb einer mahlanlage

Also Published As

Publication number Publication date
ES2049762T3 (es) 1994-05-01
DE58906507D1 (de) 1994-02-10
EP0324400A3 (en) 1990-05-30
CH677455A5 (enrdf_load_stackoverflow) 1991-05-31
ATE99190T1 (de) 1994-01-15
EP0324400A2 (de) 1989-07-19

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