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Automatic control system of high-temperature pulse hot water spray sterilization device

An automatic control system and sterilization equipment technology, applied in food preparation, food heat treatment, food science, etc., can solve the problems that are difficult to achieve and cannot kill microorganisms, and achieve simple and convenient operation, precise control, and reduced energy consumption. Effect

Active Publication Date: 2014-09-03
INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] For large pieces of food, such as whole chicken, whole duck, elbow, roast leg of lamb and zongzi, short-term high-temperature range cannot achieve the effect of completely killing microorganisms, or F 0 It is also difficult to achieve F to ensure commercial sterility 0 A level with a value of 4

Method used

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  • Automatic control system of high-temperature pulse hot water spray sterilization device
  • Automatic control system of high-temperature pulse hot water spray sterilization device

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Embodiment Construction

[0030] The present invention will be described in further detail below in combination with specific embodiments, so that those skilled in the art can implement it with reference to the description.

[0031] The invention provides an automatic control system for high-temperature pulsating hot water spray sterilization equipment, including:

[0032] The first temperature sensor, which is arranged in the retort, is used to detect the current food core temperature in the retort, and there are at most 6 first temperature sensors in the retort,

[0033] The processor, which is a PLC controller, is used to control the hot water supply equipment to supply hot water to the sterilizer for sterilization, and record the sterilization time. The processor is also connected to the first temperature sensor for receiving The current food core temperature of the first temperature sensor is recorded every 30 seconds, and combined with the sterilization time at the current temperature, the actual...

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Abstract

The invention relates to an automatic control system of a high-temperature pulse hot water spray sterilization device, wherein a high temperature domain variable temperature heat treatment technology is integrated with technologies such as quasi quantity signal conversion, logic control, programmable logic controller (PLC) program and F value control, calculation software and the like, and the opening degree is matched with the start time, so that the rotating speed of a circulating pump motor can be accurately controlled by a steam proportional valve and a full-digital vector control frequency converter; the heating speed and the cooling speed of sterilization are high, the temperature control accuracy is high, and the temperature distribution uniformity is good, so that high temperature domain pulse variable temperature control can be realized.

Description

technical field [0001] The invention relates to an automatic control system, in particular to an automatic control system for high-temperature pulsating hot water spray sterilization equipment. Background technique [0002] Hot water spray sterilization is a widely used technology for thermal sterilization of packaged food. The change of its temperature or adopt the method of one-time heating, after reaching a certain temperature, keep it for a certain period of time, after achieving the purpose of killing microorganisms, then lower the temperature to terminate the sterilization process. Although this thermal sterilization technology can effectively kill microorganisms in food, the sterilized food, especially the surface of the food, is subjected to high temperature treatment at the beginning of sterilization, and the edible quality, sensory quality and nutritional quality of the food are seriously affected. destroy. Or adopt multi-stage heating method to sterilize, so tha...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L3/00A23L1/015A23L5/20
CPCA23L3/00A23L3/003A23L3/185A23V2002/00A23V2300/24
Inventor 张泓胡宏海黄峰张春江张雪刘倩楠陈文波路立立徐芬郭昕
Owner INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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