Electron beam sterilizer

A technology of electron beam and sterilization device, applied in irradiation device, packaging sterilization, nuclear engineering, etc., can solve the problem of no sterilization effect and so on

Active Publication Date: 2010-01-13
SHIBUYA IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If an electric spark is generated, the electron beam is not irradiated until it recovers, and thus, there is no sterilizing effect, and the irradiated object is sent to the downstream side in an unsterilized state

Method used

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  • Electron beam sterilizer
  • Electron beam sterilizer
  • Electron beam sterilizer

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0018] The present invention will be described below through the embodiments shown in the accompanying drawings. Sterilization is performed in the electron beam sterilizer of this embodiment, and in the subsequent steps, the container 2 (refer to figure 2 , image 3 ) are resin containers such as plastic bottles. The containers 2 are conveyed continuously by the air conveyor 4, and are fed into the introduction chamber while being cut at predetermined intervals by the transverse feed screw 6.

[0019] Above-mentioned introduction chamber is divided into two chambers (the first chamber 8 and the 2nd introduction chamber 10), respectively in each chamber 8,10 inside, is provided with the rotary wheel (the first rotation wheel) that has container holding mechanism (not shown in the figure). wheel 12 and the second rotating wheel 14). The containers 2 carried into the introduction chambers 8 and 10 are sequentially handed over to the rotating wheels 12 and 14 in the respective...

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PUM

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Abstract

All containers (2) under conveyance are irradiated with an electron beam and sterilized even when spark is generated in an electron beam irradiator (28). An electron beam is generated by heating a filament (42) arranged in a vacuum chamber (40) and taken out into the atmosphere through the window foil (48) of an irradiation window (46) provided in an irradiation section (44) before a container (2) is irradiated the electron beam. The container (2) is conveyed while being held by the container holing portions (36A, 36B) of a container conveyor (24) and passed in front of the irradiation window (46). When spark is generated, irradiation of the electron beam is interrupted temporarily and the length of the irradiation window (46) in the conveyance direction X of the container is set longer than the distance that the container (2) is conveyed in the interruption time.

Description

technical field [0001] The present invention relates to an electron beam sterilizing device. In particular, the present invention relates to a device capable of reliably sterilizing an irradiated object even when electric sparks are generated inside a vacuum chamber during irradiation of electron beams. Background technique [0002] The electron ray sterilizing device includes a lead sterilizing cavity used to prevent the leakage of electron rays and X-rays; a transport mechanism arranged inside the sterilizing cavity to transport the irradiated object; The object to be irradiated is irradiated with electron beams. In this electron beam irradiation device, the filament is heated in the vacuum inside the vacuum chamber to generate thermal electrons, and the electrons are accelerated by a high voltage to form a high-speed electron beam. The window foil is taken out into the atmosphere, and electron beams are brought into contact with the object to be treated for sterilization...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B55/08A61L2/08B65B55/04G21K5/00G21K5/04G21K5/10
CPCB65B55/08G21K5/08G21K5/02G21K5/10G21K5/04A61L2/08B65B55/04G21K5/00
Inventor 西纳幸伸西富久雄山本幸宏
Owner SHIBUYA IND CO LTD
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