A Circumferentially Uniform Distributed Pulse Electric Field Generator Sterilization Device
A technology of pulsed electric field and sterilizing device, which is applied in food science, food preservation, application, etc., can solve the problems of complex circuit and control, technical difficulty, and fragile devices, and achieve low cost, convenient manufacture, and non-destructive Effect
Active Publication Date: 2015-09-16
杭州东华电力设备有限公司
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Problems solved by technology
Due to the use of devices such as high-power thyristors or IGBTs, this method is costly and the devices are vulnerable; in addition, because the pulse waveform is realized through the modulation circuit, the technical difficulty is high, and the circuit and control are complicated, which hinders its development.
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[0018] Such as figure 1 As shown, a circumferential uniformly distributed pulse electric field generator sterilization device includes a base 1, an electrode fixing seat 2, an electrode 3, a carbon brush fixing ring 5, an inner carbon brush 6, a copper ring 7, an outer carbon brush 8, and a wire 9 and pipeline 10.
[0019] Such as figure 1 , 2 As shown in and 3, the electrode holder 2 includes an integrally formed support frame 2-1 and an electrode fixed ring 2-2, and the bottom of the support frame 2-1 is fixed on the base 1; the head of the carbon brush fixed ring 5 passes through two The bearing 4 is supported on the electrode fixing ring 2-2, and two copper rings 7 are fixed on the outer wall of the tail along the axial distance; each copper ring 7 is provided with two outer carbon brushes 8 symmetrically along the circumference; two outer carbon brushes 8 are symmetrically arranged The brush 8 is connected to the positive pole of the DC voltage, and the other two outer...
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The invention discloses a circumference uniform type pulsed electric field generator sterilizer. An existing high-voltage pulsed electric field sterilizing technology has the disadvantages of high cost, easiness for damage of devices and high technical difficulty. According to the sterilizer, the head of a carbon brush fixing ring is supported on an electrode fixing ring via two bearings while the outer wall of the tail of the carbon brush fixing ring is fixedly provided with two copper rings at intervals along the axial direction; each copper ring is symmetrically provided with two outer carbon brushes along the circumference; two inner carbon brushes are fixed on the inner wall of the head of the carbon brush fixing ring; each inner carbon brush is connected with one end of a lead; the other end of each of two leads is connected with a copper ring; a pipeline penetrates through a support frame, the electrode fixing ring and the carbon brush fixing ring sequentially; a plurality of electrode mounting holes are evenly formed along the circumference of the electrode fixing ring; an electrode is fixed in each electrode mounting hole; the tails of all the electrodes extend out of the electrode fixing ring. The sterilizer has the advantages of simple structure, reliable running, accurate waveform and low cost and achieves an online sterilization technology of continuously-flowing fluid.
Description
technical field [0001] The invention belongs to the technical field of food machinery and relates to a sterilizing device, in particular to a circumferential uniformly distributed pulse electric field generator sterilizing device. Background technique [0002] High-voltage pulsed electric field sterilization technology is a new type of non-thermal sterilization technology that is the latest development and the most active in the world. The principle of high-voltage pulsed electric field sterilization is to place food between two electrodes, and apply a pulsed high-voltage power supply to the two electrodes to generate an instantaneous high-voltage pulsed electric field between the two electrodes, which acts on the food and destroys the bacteria inside the food. The cell wall promotes the death of bacteria, thereby achieving a sterilizing effect. High-voltage pulsed electric field sterilization has a short time, no temperature rise, and obvious bactericidal effect. It is gen...
Claims
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IPC IPC(8): A23L3/32
CPCA23L3/32
Inventor 韩其国黄雪琳刘珂舟杨勇
Owner 杭州东华电力设备有限公司