EP0069449A2 - Centrifuge pour la récupération de protéines à partir d'os - Google Patents

Centrifuge pour la récupération de protéines à partir d'os Download PDF

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Publication number
EP0069449A2
EP0069449A2 EP82302323A EP82302323A EP0069449A2 EP 0069449 A2 EP0069449 A2 EP 0069449A2 EP 82302323 A EP82302323 A EP 82302323A EP 82302323 A EP82302323 A EP 82302323A EP 0069449 A2 EP0069449 A2 EP 0069449A2
Authority
EP
European Patent Office
Prior art keywords
centrifuge
cover
bowl
housing
pipe
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.)
Granted
Application number
EP82302323A
Other languages
German (de)
English (en)
Other versions
EP0069449A3 (en
EP0069449B1 (fr
Inventor
Ivan Just Lildal
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.)
J LILDAL AS
Original Assignee
J LILDAL AS
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 J LILDAL AS filed Critical J LILDAL AS
Publication of EP0069449A2 publication Critical patent/EP0069449A2/fr
Publication of EP0069449A3 publication Critical patent/EP0069449A3/en
Application granted granted Critical
Publication of EP0069449B1 publication Critical patent/EP0069449B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B11/00—Feeding, charging, or discharging bowls
    • B04B11/02—Continuous feeding or discharging; Control arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/02—Casings; Lids

Definitions

  • the Danish patent specification No.143 584 deals with a process for recovering protein from bones, in which the collagen of the bones is rendered soluble by treatment with steam at pressure above atmospheric and the process is characterized by the fact that the steam treatment takes place, possibly with addition of water, while the moist crushed bones are in a centrifuge bowl rotating in a pressure vessel, where they are subjected to a centrifugal acceleration of at least 5 g, the treatment being adjusted so as to obtain a protein solution of a concentration of more than 10% by weight, whereafter the protein solution is, if desired, dried in a manner known per se.
  • This process has hitherto been carried out using a centrifuge having a housing designed as a pressure vessel with a centrifuge bowl having a perforated peripheral wall and secured to a vertical hollow shaft.
  • a liquid which at the beginning of the process consists of water,is pumped through the vertical hollow shaft, into the interior of the centrifuge bowl.
  • the centrifuge bowl is in this known construction provided with a tight-fitting cover, so that by pumping liquid through the hollow shaft it was possible to establish in the interior of the centrifuge bowl a pressure higher than the pressure in the centrifuge housing outside the centrifuge bowl.
  • the pressure gradient over the layer of crushed bones during'the operation is higher on the internal side of the peripheral wall of the centrifuge bowl.
  • This pressure gradient is regarded as necessary in order to obtain a sufficient flushing of the bone layer and the resulting washing out of the protein solubilized by the process.
  • This hot water is introduced into the centrifuge bowl not through a hollow shaft, as it is the case in the centrifuge described in the Danish patent specification No.143 584, but through an inlet led centrally through the cover of the centrifuge bowl, provision being made of tightening members between inlet and cover, so that the pressure at which the water is pumped in can contribute to forcing the water through the layer of pelts or skins from which gelatin is to be extracted.
  • the said hitherto used system for introducing liquid under pressure into the centrifuge bowl use being made of a hollow shaft or of a top-positioned inlet with appurtenant tightening members, is, however, a complicated and expensive construction which affects the overall cost of manufacture of a centrifuge of the type in question.
  • the invention relates to a centrifuge for recovering proteins from bones and having a centrifuge housing designed as a pressure vessel, which is provided with a removable cover and connected with a source of steam at pressure above atmospheric and which comprises a perforated centrifuge bowl also provided with a removable cover, said bowl being secured to a vertical, rotatable shaft passing through the bottom of the centrifuge housing, provision being made in the bottom of the centrifuge housing for a liquid outlet, which centrifuge according to the invention is characterized in that a pipe led through the centrifuge housing or its cover for feeding liquid to the interior of the centrifuge bowl opens above or extends without tightening members through a central aperture in the cover of the centrifuge bowl.
  • the plant shown in Fig.1 comprises a centrifuge 1 having a centrifuge housing 2 provided with a removable cover 3.
  • centrifuge housing and the cover are given such dimensions and provided with such closing members (not shown) that the centrifuge can withstand an inner pressure of at least 6 bar gauge, and the same applies to the pipe and hose couplings shown in Fig.1 and described in the following.
  • the centrifuge housing is provided with a feed pipe 4 connected with a steam source (not shown) which is in a position to maintain a pressure of, for instance, 5 bar gauge in the interior of the centrifuge housing.
  • centrifuge housing provision is made of a centrifuge bowl 5, the peripheral walls of which are provided with perforations (not shown). These perforations may, in typical cases, be drilled holes having a diameter of 2-4 mm and placed at a mutual interval of about 15 mm.
  • the centrifuge bowl is provided with a flat bottom 6 releasably secured to a support 7 disposed on a rotatable shaft 8 connected with a suitable driving member, preferably a hydraulic motor 9.
  • the centrifuge bowl 5 is provided with a removable cover 11 which is annular so that provision is made of an aperture in the central part.
  • the pipe 12 is, outside the centrifuge, connected with a hose 13 which via a pipe coupling 14, a pump 15 and a further pipe 16 is in connection with a pressure tank 17.
  • the tank 17 is connected with the lower part of the centrifuge housing 2.
  • the cover of the centrifuge house is opened and the centrifuge bowl 5 is released from the support 7 and lifted off the centrifuge housing 2.
  • the cover 11 of the centrifuge bowl is removed and a suitable quantity of crushed bones is inserted in the centrifuge, the cover 11 is replaced and the centrifuge bowl is lowered back in the centrifuge housing, where it is secured to the support so as to follow its rotation.
  • valve 21 When the desired quantity of water has been introduced, the valve 21 is closed and from the bottom of the centrifuge housing the protein solution is led to the tank 17 from which it is recycled via the pipe 16, the pump 15, the pipe coupling 14, the hose 13 and the pipe 12 to the interior of the centrifuge bowl, where it passes again through the bone layer and is thereby further enriched with -protein and is again recycled back to the tank.
  • fresh water may again be introduced through 21 and the process is repeated with the same charge of bones.
  • the centrifuge cover 3 is provided with a lifter 23 comprising two cheeks 24, only one of them being shown in Fig.2.
  • the lifter 23 is secured to the cover 3 and is actuated pneumatically or hydraulically, as it appears from Fig.2.
  • the lifter is pivotally supported in a bearing 25 designed as it appears from the section shown in Fig.3.
  • the bearing 25 is carried by a bracket 26 secured to the centrifuge housing 2 and comprising two cheeks 27, both shown in Fig.3.
  • a pipe 29 having one end opening centrally on to the centrifuge housing, i.e. above the aperture provided in the cover of the centrifuge bowl.
  • the other end of the pipe is connected with a central passage in the bearing 25, which passage 30 is also in connection with a pipe coupling 31.
  • the pipe coupling 14 is connected with the pipe coupling 31.

Landscapes

  • Centrifugal Separators (AREA)
EP19820302323 1981-05-06 1982-05-06 Centrifuge pour la récupération de protéines à partir d'os Expired EP0069449B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK201481A DK157121C (da) 1981-05-06 1981-05-06 Centrifuge til udvinding af proteiner fra knogler
DK2014/81 1981-05-06

Publications (3)

Publication Number Publication Date
EP0069449A2 true EP0069449A2 (fr) 1983-01-12
EP0069449A3 EP0069449A3 (en) 1984-06-06
EP0069449B1 EP0069449B1 (fr) 1986-09-10

Family

ID=8109477

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19820302323 Expired EP0069449B1 (fr) 1981-05-06 1982-05-06 Centrifuge pour la récupération de protéines à partir d'os

Country Status (4)

Country Link
EP (1) EP0069449B1 (fr)
DE (1) DE3273113D1 (fr)
DK (1) DK157121C (fr)
IE (1) IE52843B1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005193A1 (fr) * 1987-11-28 1989-06-15 Heinkel Industriezentrifugen Gmbh & Co. Centrifugeuse de filtrage a recouvrement
WO2001019429A1 (fr) * 1999-09-17 2001-03-22 Nuvasive, Inc. Recuperation de particules osseuses
JP2012110872A (ja) * 2010-11-26 2012-06-14 Hitachi Koki Co Ltd 遠心分離機
CN107519664A (zh) * 2017-09-21 2017-12-29 郑州大学 一种高效的中药有效成分提取装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4588C (de) * A. FeSCA, Maschinenfabrikant, in Berlin, Chausseestrafse 35 Dampf - Deckvorrichtung an Centrifugen mit Auffangvorrichtung für das Kondensationswasser
FR347408A (fr) * 1904-10-25 1905-03-09 Oil And Waste Saving Machine Company Machine centrifuge pour l'extraction des graisses
GB377560A (en) * 1931-01-08 1932-07-28 Separator Ab Connecting device for the supply and the discharge pipes of centrifugal separators
DK143584B (da) * 1978-03-22 1981-09-14 Lildal J A S Fremgangsmaade til udvinding af protein fra knogler samt anlaegtil udoevelse af fremgangsmaaden

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4588C (de) * A. FeSCA, Maschinenfabrikant, in Berlin, Chausseestrafse 35 Dampf - Deckvorrichtung an Centrifugen mit Auffangvorrichtung für das Kondensationswasser
FR347408A (fr) * 1904-10-25 1905-03-09 Oil And Waste Saving Machine Company Machine centrifuge pour l'extraction des graisses
GB377560A (en) * 1931-01-08 1932-07-28 Separator Ab Connecting device for the supply and the discharge pipes of centrifugal separators
DK143584B (da) * 1978-03-22 1981-09-14 Lildal J A S Fremgangsmaade til udvinding af protein fra knogler samt anlaegtil udoevelse af fremgangsmaaden

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989005193A1 (fr) * 1987-11-28 1989-06-15 Heinkel Industriezentrifugen Gmbh & Co. Centrifugeuse de filtrage a recouvrement
US5092995A (en) * 1987-11-28 1992-03-03 Heinkel Industriezentrifugen Gmbh & Co. Invertible filter centrifuge with a filler pipe connectable to a pressurization or depressurization source
WO2001019429A1 (fr) * 1999-09-17 2001-03-22 Nuvasive, Inc. Recuperation de particules osseuses
US6387070B1 (en) 1999-09-17 2002-05-14 Nuvasive, Inc. Bone slurry recovery
JP2012110872A (ja) * 2010-11-26 2012-06-14 Hitachi Koki Co Ltd 遠心分離機
CN107519664A (zh) * 2017-09-21 2017-12-29 郑州大学 一种高效的中药有效成分提取装置

Also Published As

Publication number Publication date
IE52843B1 (en) 1988-03-16
IE821060L (en) 1982-11-06
DK157121C (da) 1990-04-16
EP0069449A3 (en) 1984-06-06
DK201481A (da) 1982-11-07
DK157121B (da) 1989-11-13
DE3273113D1 (en) 1986-10-16
EP0069449B1 (fr) 1986-09-10

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