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Sterilization unit and electron beam emitter

A sterilizing device and electronic technology, applied in irradiation device, package sterilization, circuit, etc., can solve problems such as discomfort, difficult maintenance, excessive use, etc.

Inactive Publication Date: 2020-07-24
TETRA LAVAL HLDG & FINANCE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the sterilization devices or electron beam emitters known from the prior art are correspondingly usually heavy, too large and uncomfortable to use
For example, EP 2419909B1 discloses a rather compact sterilizing device, but, among other problems, the problem is that the power supply is located in a common housing with the electron beam emitter, which makes maintenance very difficult or even impossible
Another challenge is to provide adequate protection from radiation for the electrical components located within the sterilizer

Method used

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  • Sterilization unit and electron beam emitter
  • Sterilization unit and electron beam emitter
  • Sterilization unit and electron beam emitter

Examples

Experimental program
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Embodiment Construction

[0042] now refer to figure 1 , shows a sterilization device comprising a first chamber 10 separated from a second chamber 20 by a barrier element 50 . The first chamber 10 includes an electron generator 60 , wherein the electron generator 60 includes a cathode housing 61 and a filament 63 . The filament 63 is adapted to emit electrons forming an electron beam. In use, an electron beam is generated by heating the filament 63 . When current is supplied through the filament 63, the resistance of the filament 63 causes the filament 63 to be heated to a temperature of about 2000°C. This heating causes the filament 63 to emit electrons. Electrons are accelerated towards the electron exit window 64 by the high voltage potential between the cathode housing 61 and the electron exit window 64 . The electrons then pass through the electron exit window 64 and accordingly continue towards the target area, eg material or area, to be sterilized. The first chamber 10 contains a second at...

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Abstract

Sterilization device, in particular for sterilization of packaging material, comprising a first chamber, a barrier element and a connection area. The first chamber is adapted to provide charge carriers for sterilization, and the connection area is connected to a third chamber so that the barrier element forms at least one part of the boundary of a volume in which a first atmosphere exists.

Description

technical field [0001] The invention relates to a sterilization device, in particular for the sterilization of packaging material, and an electron beam emitter, in particular for the sterilization of packaging material. Background technique [0002] Sterilization devices or electron beam emitters are each basically known from the prior art. In e.g. liquid food packaging, electron beam irradiation has been considered as a promising alternative for sterilization purposes, where wet chemical processes involving hydrogen peroxide have been the traditional technology platform. Sterilization devices or electron beam emitters accordingly provide for sterilization of the packaging material, thus eliminating adverse consequences of wet chemical processes within the packaging machine. However, the sterilization devices or electron beam emitters known from the prior art are correspondingly generally heavy, oversized and uncomfortable to use. For example, EP 2419909B1 discloses a rath...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L2/08B65B55/08G21K5/00H01J37/07H01J37/24
CPCA61L2/087A61L2202/23B65B55/08G21K5/02A61L2202/11H01J37/07H01J37/242
Inventor 哈坎·梅尔宾
Owner TETRA LAVAL HLDG & FINANCE SA
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