USRE42424E1 - Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets - Google Patents

Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets Download PDF

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Publication number
USRE42424E1
USRE42424E1 US11/076,587 US7658799A USRE42424E US RE42424 E1 USRE42424 E1 US RE42424E1 US 7658799 A US7658799 A US 7658799A US RE42424 E USRE42424 E US RE42424E
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US
United States
Prior art keywords
extrusion
chamber
product material
pressure
sealed
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Expired - Lifetime
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US11/076,587
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English (en)
Inventor
Anders Flarup-Knudsen
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Andritz Feed and Biofuel AS
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Andritz Feed and Biofuel AS
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Application filed by Andritz Feed and Biofuel AS filed Critical Andritz Feed and Biofuel AS
Assigned to ANDRITZ FEED & BIOFUEL A/S reassignment ANDRITZ FEED & BIOFUEL A/S CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: ANDRITZ SPROUT A/S
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Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/25—Shaping or working-up of animal feeding-stuffs by extrusion
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K40/00—Shaping or working-up of animal feeding-stuffs
    • A23K40/20—Shaping or working-up of animal feeding-stuffs by moulding, e.g. making cakes or briquettes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
    • A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
    • A23N17/005—Apparatus specially adapted for preparing animal feeding-stuffs for shaping by moulding, extrusion, pressing, e.g. pellet-mills
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
    • A23P30/30—Puffing or expanding
    • A23P30/32—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment
    • A23P30/34—Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment by extrusion-expansion

Definitions

  • This invention relates to a method of product extrusion where the extruded product material is formed into discrete products which stabilize after extrusion of the product material.
  • the problem presents itself mostly in the manufacture of expanded products where the expansion is normally aimed at in order to ensure specific characteristics, such as viscosity (fish-foods), sinking characteristics (specifically slow sinking speed of fish-foods), liquid absorption characteristics (fish-foods, pet-food, foodstuffs), constant low specific density (pet-food, snacks, breakfast products), constant crispness (fish-foods, pet-food; foodstuffs), constant physical shape (all products).
  • specific characteristics such as viscosity (fish-foods), sinking characteristics (specifically slow sinking speed of fish-foods), liquid absorption characteristics (fish-foods, pet-food, foodstuffs), constant low specific density (pet-food, snacks, breakfast products), constant crispness (fish-foods, pet-food; foodstuffs), constant physical shape (all products).
  • the degree of expansion of the extruded product in the extrusion plant depends on conditions such as:
  • products such as those described above containing starchy raw materials will, as a consequence of a process temperature of 100-200° C., a moistness of 10-35% H 2 O, and a pressure of 2-80 bar in the extruder worm, typically gelatinize and convert to a plastic/elastic liquid-like form.
  • the product In its passage through the extruder's nozzle arrangement, the product will move from process pressure (2-80 bar) to atmospheric pressure, at which the cutting-off of the product in the desired length normally takes place.
  • the fall in pressure across the nozzle plate and the energy content of the product will result in a momentary evaporation of a part of the product's water content in the opening of the extruder nozzles.
  • the evaporation of the water forms steam pockets in the plastic/elastic mass, whereby the product expands.
  • the fall in temperature brought about by the momentary evaporation results in a hardening of the product into a permanently firm and physical shape.
  • the extrusion with advantage can be effected into a pressure chamber at the outlet side of the nozzle plate, in which the product is shaped, cut-off and stabilised to a permanent form (expansion degree) before being discharged to atmospheric pressure.
  • a pressure chamber at the outlet side of the nozzle plate, in which the product is shaped, cut-off and stabilised to a permanent form (expansion degree) before being discharged to atmospheric pressure.
  • the new method will be able to be used for optimisation of the expansion degree and capillary structure in products from all known types of extruders (single-worm, double-worm, dry extruders, cooking extruders with/without preconditioning).
  • the invention will make it possible to use raw materials in the extrusion process which have hitherto been avoided because of control problems related with the raw materials.
  • the method will make it possible to increase the capacity of extruders which are mounted with such equipment, since the practical exploitable capacity of many plants is today restricted by the limit of controllability of the product's physical shape.
  • the invention which concerns both a method and a complete plant and an aggregate for building into existing extruders, is illustrated in the drawing, which is a schematic view of an example embodiment of the invention.
  • an extruder 2 with a supply funnel or conduit for the material which is to be formed into the desired granular product, and with an extruder worm 6 for transporting the material forward towards a nozzle unit 8 with nozzle channels 10 through which the material is pressed out in string form.
  • a rotating knife 12 which is driven by a motor 14 , the result being that said strings are continuously cut over in the formation of pellets which can simply fall down into a suitable collection or transport arrangement.
  • a box element 16 which is connected with the edge of the nozzle unit in a tight-fitting manner, and which also has a tight-fitting sleeve 18 for the drive shaft of the motor 14 .
  • the box element 16 has a bottom part in the form of a rotating sluice wheel 20 with sluice pockets 22 , in that also here there is hereby a tight-closing sealing of the box element, which from here extends downwards as a discharge chute 24 for the material, which by rotation of the sluice pockets 22 is made to leave the box part 16 .
  • the box part 16 constitutes a pressure chamber in which, as a consequence of the emission of steam from the material which leaves the nozzle unit 8 , there is already built up a certain over-pressure, which can be controlled by venting through a pressure regulation valve 28 and possibly monitored via a pressure transducer 30 . Separate pressure supply can take place via a valve 31 for compressed air or steam, e.g. in a starting phase. Possible condensate will be absorbed by the pellet product, from which it is removed by normal subsequent drying of the product.
  • the escape steam from valve 28 can be utilized for various heating purposes.
  • the increased pressure shall serve only or predominantly the purpose of raising the boiling point of the product's water content during the phase in which it leaves the nozzle unit 8 , and with precisely this object in mind it will normally be realistic and adequate to operate within a pressure interval of approx. 1 ⁇ 2-6 bar.
  • a sample-taker 32 which enables a continuous control of the product to be effected, including with regard to its specific weight as a function of its degree of expansion. It has naturally also been possible with the known technique to be able to effect a corresponding supervision with related possibility for adjustment of certain process parameters in front of the nozzle unit 8 , but with the invention it is possible to work with a further and extremely important parameter, i.e. the pressure in the chamber 16 . Precisely this parameter will be able to be controlled with a minimum of time difference between an ascertained regulation requirement and the execution of the related regulation.
  • the method according to the invention can be based on work for a given process being carried out with associated, manual adjustment parameters, also including for the pressure in the chamber 16 , but the work can naturally also be carried out with various degrees of automatic control determined by a given choice of product. It will be appreciated that in such a control system a detected change of pressure or temperature in the pressure chamber will amount to a very fast acting control parameter.
  • means can be provided inside the chamber 16 to prevent the descending pellets from packing together at the bottom, i.e. so that they are given better time to stabilise in the free state after their formation, e.g. by sliding down in thin layers along a system of inclined plates.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Zoology (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Fodder In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Wind Motors (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • General Preparation And Processing Of Foods (AREA)
US11/076,587 1998-05-29 1999-05-27 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets Expired - Lifetime USRE42424E1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK199800737 1998-05-29
DK73798 1998-05-29
PCT/DK1999/000284 WO1999062361A1 (en) 1998-05-29 1999-05-27 A method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US09/701,302 Reissue US6531077B1 (en) 1998-05-29 1999-05-27 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets

Publications (1)

Publication Number Publication Date
USRE42424E1 true USRE42424E1 (en) 2011-06-07

Family

ID=8096972

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/076,587 Expired - Lifetime USRE42424E1 (en) 1998-05-29 1999-05-27 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets
US09/701,302 Ceased US6531077B1 (en) 1998-05-29 1999-05-27 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets

Family Applications After (1)

Application Number Title Priority Date Filing Date
US09/701,302 Ceased US6531077B1 (en) 1998-05-29 1999-05-27 Method and apparatus for extrusion of expanding water holding products such as foodstuff particles or feeding stuff pellets

Country Status (16)

Country Link
US (2) USRE42424E1 (de)
EP (1) EP1087675B1 (de)
JP (1) JP4562054B2 (de)
CN (1) CN1161041C (de)
AT (1) ATE253848T1 (de)
AU (1) AU3810899A (de)
BR (1) BR9910820A (de)
CA (1) CA2334141C (de)
DE (1) DE69912780T2 (de)
DK (1) DK1087675T3 (de)
ES (1) ES2211081T3 (de)
ID (1) ID28746A (de)
NO (1) NO316814B1 (de)
PL (1) PL191286B1 (de)
TR (1) TR200003522T2 (de)
WO (1) WO1999062361A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180289040A1 (en) * 2014-09-08 2018-10-11 The United States Of America,As Represented By The Secretary Of Agriculture Method and system for producing aquaculture

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US6935855B2 (en) * 2000-03-24 2005-08-30 Sprout-Matador A/S Apparatus for extrusion of water-containing products
US6773739B2 (en) * 2002-08-30 2004-08-10 Wenger Manufacturing, Inc Method and apparatus for extrusion of food products including back pressure valve/diverter
WO2005035222A1 (ja) * 2003-10-09 2005-04-21 Misawa Homes Co., Ltd. 押出成形機
EP1778454A4 (de) * 2004-08-20 2009-11-18 Fonterra Ip Ltd Extrusionsvorrichtung und verfahren zur extrudierung proteinreicher lebensmittel
MX2007010381A (es) * 2005-02-25 2007-12-12 Nova Chem Inc Paneles de construccion previamente formados compuestos, una construccion y un montaje de formacion de marco.
US8752348B2 (en) * 2005-02-25 2014-06-17 Syntheon Inc. Composite pre-formed construction articles
US7666258B2 (en) * 2005-02-25 2010-02-23 Nova Chemicals Inc. Lightweight compositions and articles containing such
BRPI0609706A2 (pt) 2005-03-22 2011-10-18 Nova Chem Inc composição cimentìcia de baixo peso, leito de estrada, artigo de construção pré-moldado e/ou pré-tensionado, método para fabricar um artigo de composição cimentìcia de baixo peso otimizado, artigo de concreto de baixo peso, e, composição de concreto de baixo peso
US20070065550A1 (en) * 2005-09-20 2007-03-22 Kraft Foods Holdings, Inc. Method and system for making shredded cheese
US20110014311A1 (en) * 2005-09-20 2011-01-20 Holmes Terry L Method and system for making extruded portions of cheese
US8377490B2 (en) * 2005-09-20 2013-02-19 Kraft Foods Global Brands Llc Method and system for making sliced cheese
DE102006011362A1 (de) * 2006-03-09 2007-09-27 Bühler AG Herstellung von Artikeln mit verschiedenem Gehalt an Zusatzstoffen
US7677009B2 (en) * 2007-02-02 2010-03-16 Nova Chemicals Inc. Roof truss system
KR100807527B1 (ko) * 2007-04-10 2008-02-26 최기홍 곡물 퍼핑 장치
US8048219B2 (en) 2007-09-20 2011-11-01 Nova Chemicals Inc. Method of placing concrete
US20100062093A1 (en) 2008-09-11 2010-03-11 Wenger Manufacturing, Inc. Method and apparatus for producing fully cooked extrudates with significantly reduced specific mechanical energy inputs
DE102009003309A1 (de) * 2009-01-05 2010-07-08 Bühler AG Verfahren zur Herstellung von Aquafeed
WO2010076341A1 (de) 2009-01-05 2010-07-08 Bühler AG Verfahren zur herstellung von aquafeed
CN101803793B (zh) * 2010-04-09 2012-07-25 江苏牧羊集团有限公司 一种适用于小颗粒物料的挤压膨化机
US20110256281A1 (en) * 2010-04-20 2011-10-20 Charles Johnson Cheese fabricating machine and method
NO20131251A1 (no) * 2013-09-17 2015-03-18 Ewos Innovation As Fremgangsmåte og anordning for å måle flytegenskaper av fôrpellet
US9908275B2 (en) 2015-08-10 2018-03-06 Wenger Manufacturing, Inc. High capacity dual die assembly
CN107041563A (zh) * 2017-05-11 2017-08-15 江苏牧羊控股有限公司 一种旋转式不停机换模膨化机及使用方法
CN115556259A (zh) * 2022-10-25 2023-01-03 青岛鑫盈鑫包装材料有限公司 一种环保型防锈母粒生成用高分散度挤出设备

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180289040A1 (en) * 2014-09-08 2018-10-11 The United States Of America,As Represented By The Secretary Of Agriculture Method and system for producing aquaculture

Also Published As

Publication number Publication date
CA2334141A1 (en) 1999-12-09
JP4562054B2 (ja) 2010-10-13
US6531077B1 (en) 2003-03-11
NO20006020L (no) 2001-01-26
DE69912780D1 (de) 2003-12-18
CN1303241A (zh) 2001-07-11
ATE253848T1 (de) 2003-11-15
EP1087675A1 (de) 2001-04-04
TR200003522T2 (tr) 2001-03-21
DE69912780T2 (de) 2004-09-30
BR9910820A (pt) 2001-10-02
AU3810899A (en) 1999-12-20
NO20006020D0 (no) 2000-11-28
PL345127A1 (en) 2001-12-03
PL191286B1 (pl) 2006-04-28
DK1087675T3 (da) 2004-03-08
JP2002516674A (ja) 2002-06-11
CN1161041C (zh) 2004-08-11
ES2211081T3 (es) 2004-07-01
WO1999062361A1 (en) 1999-12-09
EP1087675B1 (de) 2003-11-12
CA2334141C (en) 2010-07-20
ID28746A (id) 2001-06-28
NO316814B1 (no) 2004-05-18

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