Self-cooling ultrahigh-pressure liquid-solid phase change sterilization device and method for durian puree
An ultra-high pressure, self-cooling technology, which is applied in ultra-high pressure food processing, fruit and vegetable preservation, food ingredients as anti-microbial preservation, etc., can solve the problems of reducing the service life of equipment, easily damaging ultra-high pressure equipment, and low processing efficiency , to achieve the effect of increasing the utilization rate, improving the sterilization effect and reducing the cost
Pending Publication Date: 2020-09-15
ZHEJIANG UNIV
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Problems solved by technology
However, at present, the low-temperature-ultrahigh-pressure collaborative sterilization uses an external coolant to cool the overall ultra-high pressure cavity. The entire process takes a long time and the processing efficiency is low. At the same time, the low temperature can easily damage the ultra-high pressure equipment, reducing the use of equipment. life
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Embodiment 1
[0038] Embodiment 1. A device for self-cooling ultra-high pressure liquid-solid phase change sterilization of durian fruit puree, comprising a waterproof and heat-insulating barrel 1 with an opening on the right side, and a waterproof and heat-insulating barrel 1 at the opening of the waterproof and heat-insulating barrel 1. The thermal sleeve 1 can open the connected sleeve cover 8, and a sealing device is provided between the sleeve cover 8 and the waterproof and heat-insulating sleeve 1; the cross-section of the waterproof and heat-insulated sleeve 1 is a square ring; The cross section is a square that coincides with the inner ring of this square ring; figure 1 The upper side wall) is provided with a liquid inlet 7 with a sealing cover that communicates with the waterproof and heat-insulating barrel 1 .
[0039] The sealing device includes a self-tie 11; the sleeve cover 8 is set in the right side opening inner cavity of the waterproof and heat-insulating sleeve 1, and an a...
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Abstract
The invention belongs to the field of ultrahigh-pressure food processing, and discloses a self-cooling ultrahigh-pressure liquid-solid phase change sterilization device for durian puree, which comprises a waterproof heat-insulating sleeve barrel with an opening in the right side, a sleeve barrel cover connected with the waterproof heat-insulating sleeve barrel in an openable manner is arranged atthe opening of the waterproof heat-insulating sleeve barrel, and a sealing device is arranged between the sleeve barrel cover and the waterproof heat-insulating sleeve barrel; a square charging basketcapable of sliding left and right is arranged in an inner cavity of the waterproof heat-insulating sleeve barrel, a charging area is arranged in the square charging basket, and the charging area is used for containing durian puree to be subjected to sterilization treatment. The invention also provides a self-cooling ultrahigh-pressure liquid-solid phase change sterilization method for durian puree by using the device. The device can be directly applied to the interior of existing industrial ultrahigh-pressure equipment, so that the low-temperature-ultrahigh-pressure synergistic sterilizationtreatment cost is greatly reduced.
Description
technical field [0001] The invention belongs to the field of ultra-high pressure food processing; in particular, it relates to a self-cooling ultra-high pressure liquid-solid phase change sterilization device and method for durian puree. Background technique [0002] Durian is rich in nutrients and is a good base for bacteria to grow. It will deteriorate after being placed in the air for a few hours at room temperature. In order to prolong the shelf life of durian, it is generally adopted to peel off the pulp and refrigerate, but this still cannot fundamentally solve the problem of durian quality assurance in transportation and storage. As a non-thermal sterilization method, ultra-high pressure sterilization has been successfully commercialized and has the advantages of "fast, uniform, and high-quality". However, the bactericidal effect of ultra-high pressure alone is limited. The researchers found that the synergistic effect of low temperature and ultra-high pressure can i...
Claims
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IPC IPC(8): A23B7/05A23B7/04A23B7/015
CPCA23B7/05A23B7/0433A23B7/015A23V2002/00A23V2300/46A23V2200/10
Inventor 于勇李异凡胡力晖
Owner ZHEJIANG UNIV