Carrot quick-freezing process with variable quick-freezing speed

A technology of carrots and crafts, applied in the direction of freezing/refrigerating fruits/vegetables, etc., can solve the problems of difficult control, high energy consumption, etc., and achieve the effect of reducing possibility, low energy consumption, and most energy consumption

Inactive Publication Date: 2014-02-12

TIANJIN AOLV AGRI & SIDELINE PROD GRP

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AI-Extracted Technical Summary

Problems solved by technology

Both of these methods realize quick freezing by changing the freezing point...

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Abstract

The invention discloses a carrot quick-freezing process with a variable quick-freezing speed. The carrot quick-freezing process is characterized in that different quick-freezing speeds are adopted according to different quick-freezing phases so that an ice crystal is the smallest in the quick-freezing process, carrot cells are not damaged and the energy consumption in the quick-freezing process is the minimum. Thawed carrots are basically the same as fresh carrots. The process is simple in method and low in cost and is a novel process for quickly freezing vegetables.

Application Domain

Fruits/vegetable preservation by freezing/cooling

Technology Topic

MineralogyEnergy consumption +3

Examples

Experimental program(1)

Example Embodiment

[0013] Examples:

[0014] (1) Prepare the carrots that need quick freezing according to the routine selection, cleaning, cutting, bleaching, cooling, dehydration and other processes;

[0015] (2) The carrot pre-cooling stage, in this stage, the cold air temperature is -8~-10℃, the wind speed is 4~6m/s, and the carrot core temperature is pre-cooled to 0~-1℃;

[0016] (3) Carrot crystallization stage, at this stage, the cold air temperature is -25~-28℃, the wind speed is 8~10m/s, and the center temperature of carrot is cooled to -5~-8℃;

[0017] (4) In the cooling stage of carrots, at this stage, the cold air temperature is -35~-38℃, the wind speed is 4~6m/s, and the core temperature of carrots is cooled to -18℃;

[0018] (5) According to the conventional low-temperature storage method, store the cooled carrots in a cold storage at -18°C.

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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Classification and recommendation of technical efficacy words

Reduce size
Reduce the possibility

Carrot quick-freezing process with variable quick-freezing speed

A technology of carrots and crafts, applied in the direction of freezing/refrigerating fruits/vegetables, etc., can solve the problems of difficult control, high energy consumption, etc., and achieve the effect of reducing possibility, low energy consumption, and most energy consumption

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Examples

Example Embodiment

PUM

Description & Claims & Application Information

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