DE268085C - - Google Patents
Info
- Publication number
- DE268085C DE268085C DENDAT268085D DE268085DA DE268085C DE 268085 C DE268085 C DE 268085C DE NDAT268085 D DENDAT268085 D DE NDAT268085D DE 268085D A DE268085D A DE 268085DA DE 268085 C DE268085 C DE 268085C
- Authority
- DE
- Germany
- Prior art keywords
- milk
- plates
- liquid
- layer
- frame
- 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.)
- Active
Links
- 210000004080 Milk Anatomy 0.000 claims description 7
- 239000008267 milk Substances 0.000 claims description 7
- 235000013336 milk Nutrition 0.000 claims description 7
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 230000001954 sterilising Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23C—DAIRY PRODUCTS, e.g. MILK, BUTTER OR CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
- A23C3/00—Preservation of milk or milk preparations
- A23C3/07—Preservation of milk or milk preparations by irradiation, e.g. by microwaves ; by sonic or ultrasonic waves
- A23C3/076—Preservation of milk or milk preparations by irradiation, e.g. by microwaves ; by sonic or ultrasonic waves by ultraviolet or infrared radiation
Landscapes
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Dairy Products (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
in PARIS.in Paris.
Ultraviolette Strahlen zur Sterilisierung von Milch zu benutzen, ist wiederholt vorgeschlagen worden, und zwar auch in der Weise, daß die Milch in dünner Schicht der Einwirkung dieser Strahlen ausgesetzt wird. Auch Kühlvorrichtungen, insbesondere für die Lampe, sind hierbei bereits benutzt worden. Nun haben Versuche gezeigt, daß eine Sterilisierung der Milch nur dann gelingt, wenn die Schicht weniger als 1Z10 mmThe use of ultraviolet rays to sterilize milk has repeatedly been proposed, also in such a way that the milk is exposed in a thin layer to the action of these rays. Cooling devices, in particular for the lamp, have also already been used here. Experiments have shown that the milk can only be sterilized if the layer is less than 1 Z 10 mm
ίο beträgt, weil sonst eine so starke Absorption der Strahlen eintritt, daß die unteren Teile der Flüssigkeitsschicht nicht mehr zuverlässig sterilisiert werden. Es ist ferner auch notwendig, die Flüssigkeit selbst zu kühlen.ίο is because otherwise such a strong absorption the radiation occurs that the lower parts of the liquid layer are no longer reliably sterilized will. It is also necessary to cool the liquid itself.
Solche dünnen Schichten können nun dadurch erzielt werden, daß zwei parallele Platten in geringem Abstande voneinander gehalten werden, von welchen Platten mindestens die eine strahlendurchlässig ist, so daß ein Hohlraum entsteht, der von der zu sterilisierenden Milch unter hohem Druck durchströmt wird. Eine solche Einrichtung ist in der Zeichnung Fig. 1 und 2 dargestellt.Such thin layers can now be achieved by placing two parallel plates in be kept a small distance from each other, of which plates at least one Is radiolucent, so that a cavity is created by the milk to be sterilized is flowed through under high pressure. Such a device is shown in FIG. 1 in the drawing and 2 shown.
Die drei Platten 25, 26 und 27 sind in einem rechteckigen Rahmen 28 in der Weise angeordnet, daß zu Kühlzwecken ein Raum zwischen den Platten 25 und 26 gebildet ist. Diesem wird die Kühlflüssigkeit durch das Rohr 29 zugeführt und fließt auf der anderen Seite durch Rohr 30 ab. Die Platten 26 und 27 sind zur Bildung des Sterilisierraumes durch eine Einlage 19 aus Papier oder einem anderen geeigneten Stoffe getrennt. Die Dicke dieser Einlage entspricht der Dicke des zu bildenden Flüssigkeitshäutchens. Der Rahmen 28 ist aus mehreren Teilen zusammengesetzt; zwischen diesen und den Platten sind Dichtungen angeordnet, welche die Ausdehnung der Platten zulassen. Das Ganze ist "mittels Klemmbolzen und Flügelmuttern in der Art dicht zusammengeschlossen, daß die beiden Flüssigkeitsräume luftdicht gegen die Atmosphäre abgesperrt sind. Ein Speiserohr zur Zufuhr der zu behandelnden Flüssigkeit ist an- eine Öffnung der untersten der drei Platten angeschlossen.; auf der anderen Seite ist eine öffnung für den Austritt der behandelten Flüssigkeit vorgesehen. Gewünschtenfalls kann an der der Lampe abgewandten Seite der Vorrichtung, wie in Fig. 1 gezeigt, ein Reflektor 77 angeordnet werden.The three plates 25, 26 and 27 are arranged in a rectangular frame 28 in such a way that a space between the plates 25 and 26 is formed for cooling purposes. This will the cooling liquid is supplied through tube 29 and flows through tube 30 on the other side away. The plates 26 and 27 are made of an insert 19 to form the sterilization space Paper or another suitable material. The thickness of this insert corresponds to Thickness of the membrane of liquid to be formed. The frame 28 is composed of several parts; between these and the plates are arranged seals, which the expansion allow the plates. The whole thing is "by means of clamping bolts and wing nuts in the Kind of tightly connected so that the two liquid spaces are airtight from the atmosphere are locked. A feed pipe for supplying the liquid to be treated is on one Opening connected to the lowest of the three plates .; on the other side is an opening intended for the outlet of the treated liquid. If desired, the the side of the device facing away from the lamp, as shown in FIG. 1, a reflector 77 is arranged will.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE268085C true DE268085C (en) |
Family
ID=525086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT268085D Active DE268085C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE268085C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5068207A (en) * | 1990-04-30 | 1991-11-26 | At&T Bell Laboratories | Method for producing a planar surface in integrated circuit manufacturing |
-
0
- DE DENDAT268085D patent/DE268085C/de active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5068207A (en) * | 1990-04-30 | 1991-11-26 | At&T Bell Laboratories | Method for producing a planar surface in integrated circuit manufacturing |
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