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WO1992000665A1 - Reservoir de fabrication de fromage - Google Patents

Reservoir de fabrication de fromage Download PDF

Info

Publication number
WO1992000665A1
WO1992000665A1 PCT/DK1991/000191 DK9100191W WO9200665A1 WO 1992000665 A1 WO1992000665 A1 WO 1992000665A1 DK 9100191 W DK9100191 W DK 9100191W WO 9200665 A1 WO9200665 A1 WO 9200665A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
frame
cheese
bars
rotation
Prior art date
Application number
PCT/DK1991/000191
Other languages
English (en)
Inventor
Per Grostøl NIELSEN
Original Assignee
Apv Pasilac A/S
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 Apv Pasilac A/S filed Critical Apv Pasilac A/S
Publication of WO1992000665A1 publication Critical patent/WO1992000665A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01J—MANUFACTURE OF DAIRY PRODUCTS
    • A01J25/00—Cheese-making
    • A01J25/06—Devices for dividing curdled milk

Definitions

  • the invention relates to a cheese-making tank comprising a container receiving a cheese mass, where the container comprises at least one frame rotatably journalled about a vertical axis and carrying a first upper and a second lower set of stirring and cutting means, which are adapted to cut the cheese mass while the frame is being rotated in a first direction and to stir said cheese mass while the frame is being rotated in a second direction, and where the second lower set of stirring and cutting means includes a plurality of plate-shaped bodies, each plate-shaped body being pivotally arranged and adapted to pivot between a cutting position, in which it is substantially parallel to the direction of rotation, and a stirring position, in which it is substantially transverse to said direction of rotation.
  • the known cheese-making tanks of the above type are filled with milk which is caused to curdle by means of enzyme and acid, acid alone or a complex coagulant.
  • the curd is subsequently cut into small pieces, preferably small cubes, by the frame being caused to rotate in the first direction of rotation with the result that the whey can be easily separated from the cheese mass and drained off.
  • the curd is subjected to a heating and a simul ⁇ taneous stirring by the frame being caused to rotate in the second direction of rotation. As a result additional whey is separated from the cheese mass, whereby the cheese mass simultaneously becomes more solid.
  • the cutting re ⁇ sults from the sharp edges of the stirring and cutting means of the frame, said edges turning in the moving direction of the frame when said frame is moving into the first direction of rotation.
  • the plate- shaped bodies of the lower stirring and cutting means are turned into such a position that they follow the relative flow direction of the curd with the result that their usually sharpened front edges face the moving direction.
  • rounded edges on the first upper set of stirring and cutting means are carried through the cheese mass without cutting therein.
  • the plate-shaped bodies of the lower set of stirring and cutting means rotate about their axis of rotation in such a manner that they are positioned in an angle relative to the bottom and thereby assist in stirring the curd.
  • the curd cubes are as uniform as possible and that they are not destroyed to such an extent that curd particles arise and are lost in the whey.
  • the known stuctures are encumbered with the drawback that the plate-shaped bodies present a certain resistance even in the cutting direction with the result that some of the curd has been crushed into so small particles that they are drained off with the whey and are thereby lost.
  • the cheese-making tank according to the present invention is characterised in that the plate-shaped bodies are pivotally arranged about their respective axis, said axes extending substantially on their respective plane parallel to the axis of rotation of the frame, where the axes of rotation of the bodies are substantially parallel to one another and inclining from the top and downwards in a rearward direction relative to the first direction of rotation of the frame.
  • a cheese-making tank in which the whey is efficiently and uniformly cut even in the portion adjacent the bottom of the container, and in which it is possible at the same time to carry out an efficient stir ⁇ ring while maintaining a relatively low production of curd particles being lost in the whey.
  • the latter is especially due to the fact that the plate-shaped bodies can be shaped relatively small and light with the result that they allow a cutting of the cheese from the bottom and upwards to the portion in which the upper set of stirring and cutting means operate.
  • the plate- shaped bodies provide a relatively large area for an effi ⁇ cient stirring, the inclining of said plate-shaped bodies during the stirring process causing the cheese mass to move in a secure, but nevertheless lenient manner upwards along the surfaces of said bodies and outwards through the space between the upper and the lower set of stirring and cutting means without lumps of the curd tending to stick therebetween.
  • the cutting can be carried out at a relatively slow speed of rotation because the plate-shaped bodies can be of a relatively short radial length, i.e. in a direction away from their axis of rotation, without having an effect on the total surface applying during the stirring process.
  • the plate-shaped bodies are of a relatively short radial length in a direction away from their axis of rotation, they can enter their position parallel to the flow direction during the cutting process even at a relatively low speed of rotation.
  • the total available area during the stirring process is ensured by means of a suitably high number of plate-shaped bodies.
  • the plate-shaped bodies are carried by two parallel, horizontal bars permanently fixed to the frame.
  • the bars may extend through their respective opening in each plate-shaped body, where the plate-shaped bodies are hinged to the bars by means of shafts, said shafts extending through through holes in the bars from diametrically opposite sides of each opening.
  • the plate-shaped bodies may be provided with recesses adjacent the openings, said recesses receiving the bars in such a manner that the bodies in the stirring position are arranged on substan- tially the same plane as the bars, whereby the stirring is particularly efficient.
  • each plate-shaped body may advantageously be hinged to the bars by means of a plate-shaped member permanently fixed on said bars, said plate-shaped member extending substantially perpen ⁇ dicular to the bars and comprising a sharpened edge in the cutting direction.
  • each plate-shaped body may be hinged to the associated member permanently fixed on the bars by means of U-shaped legs, said legs extending through their respective opening in the pivotal plate-shaped body, and stopping means may be provided to stop the movement of the plate-shaped bodies towards the cutting position in such a manner that said plate-shaped bodies are automat- ically returned to the stirring position when the direction of rotation of the frame is reversed.
  • stopping means may be provided to stop the movement of the plate-shaped bodies towards the cutting position in such a manner that said plate-shaped bodies are automat- ically returned to the stirring position when the direction of rotation of the frame is reversed.
  • the plate-shaped bodies overlap one another in the stirring position.
  • the plate-shaped bodies may be made of a plastic material, such as polyethylene or polypropylene. In this manner it is ensured by a suit ⁇ able selection of plastic material that the plate-shaped bodies are of such a low gravity that they automatically enter the cutting position before the cutting is initiated, whereby a particularly lenient treatment of the curd is ensured.
  • Fig. 1 is a diagrammatic top view of a cheese-making tank according to the invention
  • Fig. 2 is a perspective view during a cutting movement of a preferred embodiment of a rotatably journalled frame with stirring and cutting means to be used inside the cheese-making tank of Fig. 1,
  • Fig. 3 corresponds to Fig. 2, but during a stirring move ⁇ ment ,
  • Fig. 4 on a larger scale a perspective view of a plate- shaped body to be used in the frame of Figs. 2 and 3,
  • Fig. 5 on a larger scale a rear view of the top portion of the plate-shaped body of Fig. 4,
  • Fig. 6 a perspective view of a second embodiment of a cutting frame according to the invention to be used in the cheese-making tank of Fig. 1 and seen in the cutting position, whereby parts have been omitted for the sake of clarity, Fig. 7 corresponds to Fig. 6, but in the stirring position, and
  • Fig. 8 on a larger scale a perspective view of a portion of the frame of Figs. 6 and 7.
  • the cheese-making tank of Fig. 1 comprises a container indicated by means of dotted lines and designated the general reference numeral 1.
  • the container When seen from the top, the container is of a cross section almost corresponding to the figure of eight.
  • the container comprises two halves, and a vertical shaft 2 and 3 is rotatably journalled at the centre of each half, said shafts carrying their respec ⁇ tive frame 4 and 5 caused to rotate in a conventionally known manner by means of driving means not shown.
  • Figs. 2 and 3 illustrate an embodiment of such a frame.
  • the frame 4 comprises a first upper set of stirring and cutting means 6 in turn comprising a plurality of verti ⁇ cally extending plate-shaped knives 7.
  • the plate-shaped knives are provided with sharp edges facing in the direc- tion of rotation of the frame 4 during the cutting process, i.e. in the direction indicated by an arrow 8 in Fig. 2.
  • a second lower set of stirring and cutting means 9 is pro ⁇ vided at the bottom of the frame immediately above the bot ⁇ tom of the container 1.
  • the second lower set of stirring and cutting means comprises a plurality of plates 10 pivot ⁇ ally arranged on two horizontal bars 11 and 12 arranged in parallel and permanently fixed in the frame 4. As shown in Figs.
  • the plates 10 are substantially rectangular and comprise a through opening 13 and 14 at the upper and lower end immediately adjacent one longitudinal edge.
  • the through openings allow passage of the bars 11 and 12.
  • a groove 15, 16 and 17, 18, respectively, is pressed out to both sides of the openings 13 and 14, where the groove 15, 16 to one side of said openings 13 and 14, respective ⁇ ly, is directed to one side of the plate 10, cf. Fig. 4, whereas the groove 17, 18 to the opposite side of the openings 13 and 14, respectively, is directed to the opposite side of the plate 10.
  • the plate 10 is capable of pivoting between a position transverse to the bars 11 and 12 and a position in which they abut said bars 11 and 12 while said bars are received in the grooves 15, 17 and 16, 18, respectively, cf. the situation indicat ⁇ ed in Fig. 5 where the bar 11 is indicated by means of a dotted line.
  • a rotary shaft 19, 20 is welded in the centre of the openings 13 and 14, said shafts extending diametrically through a mating through hole 21, cf. Fig. 5, in the bars
  • the rotary shafts 19, 20 in each plate are shaped coaxially with one another and extend substantially parallel to and adjacent a first longitudinal edge 22.
  • the longitudinal edge 22 has been sharpened in such a manner that the plate 10 can operate as a knife after the mounting.
  • the particular embodiment of the plate 10 ensures that it is capable of turning approximately 90° about the common axis of the rotary shafts 19, 20.
  • the bottom of the grooves 15, 16, 17, and 18 presents a limit to the pivoting move ⁇ ment of the plate in one direction of rotation.
  • the plate parts adjacent the openings 13, 14 forming the adjacent edges of the grooves 15, 16, 17, and 18 present a limit to the pivoting movement of said plates in the opposite direction about the rotary shafts 19, 20.
  • the lower bar 12 are staggered relative to the plane of the frame 4 in such a manner that the lower bar 12 is positioned at a distance in the rearward direction relative to the cutting direction 8 of said frame with the result that the axis of rotation of the plates 10 in this moving direction 8 extend obliquely from the top and downwards in a rearward direction.
  • the sharp edges of the plates 10 face forwards in the cutting direction when the plates 10 are positioned transverse to the bars 11, 12. In use, the latter occurs automatically because when the frame 4 is caused to rotate about the vertical shaft 20 in the cutting direction 8, the plates 10 enter a position transverse to the bars 11 and 12 following the flow direction of the cheese mass relative to the frame.
  • the plates 10 are pressed downwards towards the bars and form a continuous stirring surface, which by means of a suitable number of plates can cover the entire area along the bottom of the container between the rotary shaft 2 of the frame 4 and the outermost end of said frame when seen in horizontal direction.
  • All the plates 10 of Figs. 2 and 3 are adapted to be pivoted down to the same side of the bars 11 and 12, but in order to cover the area between the shaft 2 and the outermost end of the frame 4 completely when seen in radial direction, one or more of the plates can also be adapted to be pivoted down to the other side about their rotary shaft.
  • a suitable shaping of the rims of the plates 10 adjacent the openings 13, 14 ensures that the plates 10 enter a position trans ⁇ verse to the bars 11, 12 during the cutting process in such a manner that said plates 10 are easily and quickly pivoted down into the stirring position where they abut the bars 11, 12 when the direction of rotation of the frame is reversed.
  • the illustrated embodiment of the plate 10 is preferably made of a suitable metal material, In which the grooves 15 to 18 are easily produced by pressing, and in which the shafts l j ' , 20 are relatively easily welded in a correct position during the mounting of the plates 10 on the bars 11, 12.
  • the plates 10 by producing the plates 10 of a plastic material, such as polyethylene or polypropylene both having a density lower than the density of milk, the plates 10 automatically enter a position transverse to the bars 11, 12 in the cutting position before the cutting is initiated, which results in a very lenient treatment of the curd.
  • Figs. 6 to 8 illustrate a second embodiment of a lower set of stirring and cutting means 9.
  • the stirring and cutting means of this embodiment comprise a plurality of plate-shaped knives 25 permanently mounted parallel to the cutting direction on bars 11, 12 corresponding to the bars used in the embodiment of Figs. 2 to 5.
  • the permanently fixed knives 25 comprise sharpened front and upper edges 26 and 27, respectively, cf. Fig. 8.
  • Plates 31 are mounted at the rearmost rim of the knives 25 by means of U-shaped welded legs 28, 29 and 30.
  • Each plate 31 comprises openings 32, 33 and 34 receiving the legs 28, 29, and 30 and is adapted to pivot between a position substantially on a plane with the associated knife 25, cf. Fig. 6, and a position substantially perpendicular to said knives 25, cf. Fig. 7.
  • a suitable shaping of the legs 28, 29, and 30 and a suitable dimensioning of the plates 31 ensure that said plates 31 abut the adjacent edge of the associated knife 25 in the position perpendicular to said knives 25 as well as the edge of the adjacent plate 31.
  • the latter position is additionally ensured by shaping the plates 31 with recesses 35, 36, and 37 in such a manner that each plate 31 clears the legs 28, 29, and 30 of the adjacent plate 31.
  • a stopping means 38, 39, and 40, respectively, is mounted at the free ends of the legs 28, 29, and 30.
  • the stopping means are adapted to stop the movement of the plates 31 into the position on plane with the fixed knife 25.
  • the stopping means 28, 29, and 30 can for instance be nuts screwed on the legs 28, 29, and 30 by way of threads.
  • the lower stirring and cutting means ensure during the cutting process, i.e. during the movement of the frame 4 in the direction indicated by an arrow 8, that the curd is effi ⁇ ciently and leniently cut in the area between the bottom of the container 1 and the area of the upper set of stir ⁇ ring and cutting means 6.
  • the plate-shaped bodies automatically enter a position in the cutting direction.
  • the plates 10, 31 automatically position themselves cor ⁇ rectly in the stirring position while filling out the entire area between the rotary shaft 2 of the frame 4 and the radially outermost end thereof. In this manner an efficient stirring of the curd is ensured at the same time as the inclining of said plates relative to the moving direction ensures that said stirring is performed without causing lumps of the curd to get stuck.
  • the above position of the plates 10, 31 ensures that their lower rims can be shaped in such a manner that during the stirring process they can follow the bottom of the con ⁇ tainer with the effect that an additional security is achieved that lumps of curd do not stick between said plates 10, 31 and the bottom of the container.
  • the plates 31 of the embodiment of Figs. 6, 7, and 8 are preferably also made of a plastic material with the result that already before the cutting is initiated, said plates automatically enter a position in the desired position.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Animal Husbandry (AREA)
  • Environmental Sciences (AREA)
  • Dairy Products (AREA)

Abstract

Un réservoir de fabrication de fromage comprend un cadre (4) monté de façon qu'il puisse tourner autour d'un axe vertical. Le cadre comprend deux jeux de moyens de remuage et de coupe (6, 9) conçus pour découper une masse de fromage pendant la rotation du cadre (4) dans un premier sens et remuer ladite masse de fromage quand ledit cadre tourne dans un deuxième sens. Le jeu inférieur de moyens de remuage et de coupe (9) comporte une pluralité d'éléments en forme de plaque (10), chacun de ces éléments étant monté pivotant et conçu pour pivoter entre une position de coupe, dans laquelle les éléments sont pratiquement parallèles au sens de rotation (8), et une position de remuage dans laquelle lesdits éléments sont pratiquement transversaux par rapport audit sens de rotation. Les éléments en forme de plaque (10) sont montés de façon qu'ils tournent autour de leur axe respectif et ces axes s'étendent sur leur plan respectif, en position pratiquement parallèle à l'arbre rotatif (2) du cadre. Les axes de rotation des éléments (10) s'étendent pratiquement parallèlement les uns par rapport aux autres et leur partie supérieure penche vers le bas et vers l'arrière par rapport au premier sens de rotation (8) du cadre (4).
PCT/DK1991/000191 1990-07-10 1991-07-04 Reservoir de fabrication de fromage WO1992000665A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK1666/90 1990-07-10
DK166690A DK166690A (da) 1990-07-10 1990-07-10 Ostningstank

Publications (1)

Publication Number Publication Date
WO1992000665A1 true WO1992000665A1 (fr) 1992-01-23

Family

ID=8107034

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1991/000191 WO1992000665A1 (fr) 1990-07-10 1991-07-04 Reservoir de fabrication de fromage

Country Status (2)

Country Link
DK (1) DK166690A (fr)
WO (1) WO1992000665A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2922721A1 (fr) * 2007-10-30 2009-05-01 Equip Tech Ind Alimentaires Outil de tranchage de caille.
DK177919B1 (en) * 2009-04-15 2015-01-05 Tetra Laval Holdings & Finance A cutting device having exchangeable knives
US9073019B2 (en) 2010-04-19 2015-07-07 Cheese & Whey Systems, Inc. Blade arrangement for a food processing vat
WO2015173117A3 (fr) * 2014-05-12 2016-07-14 Tetra Laval Holdings & Finance S.A. Cuve verticale à pâles d'agitation contrarotatives
WO2016113708A1 (fr) * 2015-01-15 2016-07-21 Corob S.P.A. Con Socio Unico Récipient avec un dispositif d'agitateur pour produits fluides
IT201600089845A1 (it) * 2016-09-06 2018-03-06 Cmt Costruzioni Mecc E Tecnologia Spa Apparato di cagliatura a sviluppo verticale
CN116035075A (zh) * 2023-02-15 2023-05-02 妙可蓝多（天津）食品科技有限公司 一种奶酪混合搅拌切割工艺

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858855A (en) * 1972-11-17 1975-01-07 Dec Int Food processing vat
US3988011A (en) * 1975-09-18 1976-10-26 Kusel Equipment Company Food processing apparatus
US4206880A (en) * 1978-05-23 1980-06-10 Mauri Brother & Thomson (N.Z.) Limited Food processing apparatus
US4308791A (en) * 1979-03-15 1982-01-05 Dec International, Inc. Enclosed finishing vat for cheese making

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858855A (en) * 1972-11-17 1975-01-07 Dec Int Food processing vat
US3988011A (en) * 1975-09-18 1976-10-26 Kusel Equipment Company Food processing apparatus
US4206880A (en) * 1978-05-23 1980-06-10 Mauri Brother & Thomson (N.Z.) Limited Food processing apparatus
US4308791A (en) * 1979-03-15 1982-01-05 Dec International, Inc. Enclosed finishing vat for cheese making

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2922721A1 (fr) * 2007-10-30 2009-05-01 Equip Tech Ind Alimentaires Outil de tranchage de caille.
WO2009092873A1 (fr) * 2007-10-30 2009-07-30 Equipements Techniques Des Industries Alimentaires Et Connexes - Tecnal Outil de tranchage de caillé
DK177919B1 (en) * 2009-04-15 2015-01-05 Tetra Laval Holdings & Finance A cutting device having exchangeable knives
US10278541B2 (en) 2010-04-19 2019-05-07 Custom Fabricating & Repair, Inc. Blade arrangement for a food processing vat
US9073019B2 (en) 2010-04-19 2015-07-07 Cheese & Whey Systems, Inc. Blade arrangement for a food processing vat
WO2015173117A3 (fr) * 2014-05-12 2016-07-14 Tetra Laval Holdings & Finance S.A. Cuve verticale à pâles d'agitation contrarotatives
WO2016113708A1 (fr) * 2015-01-15 2016-07-21 Corob S.P.A. Con Socio Unico Récipient avec un dispositif d'agitateur pour produits fluides
CN107872984A (zh) * 2015-01-15 2018-04-03 克洛布单股东股份公司 具有用于流体产品的搅拌器装置的容器
US10751679B2 (en) 2015-01-15 2020-08-25 Corob S.P.A. Container with a stirrer device for fluid products
IT201600089845A1 (it) * 2016-09-06 2018-03-06 Cmt Costruzioni Mecc E Tecnologia Spa Apparato di cagliatura a sviluppo verticale
WO2018046490A1 (fr) * 2016-09-06 2018-03-15 Cmt Costruzioni Meccaniche E Tecnologia Spa Appareil de caillage s'étendant verticalement
CN116035075A (zh) * 2023-02-15 2023-05-02 妙可蓝多（天津）食品科技有限公司 一种奶酪混合搅拌切割工艺
CN116035075B (zh) * 2023-02-15 2023-09-01 妙可蓝多（天津）食品科技有限公司 一种奶酪混合搅拌切割工艺

Also Published As

Publication number Publication date
DK166690D0 (da) 1990-07-10
DK166690A (da) 1992-01-11

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