Instant freezing device for experiments

Abstract

The invention provides an instant freezing device for experiments. The instant freezing device comprises a shell and a cold source area in the shell. A compressor, a condenser and a filter are disposed in the cold source area. A sample freezing area formed by a heat-preserving enclosure is also arranged in the shell. The shell where the sample freezing area is located is provided with a pulling door, the sample freezing area is provided with a low-temperature evaporator and an axial flow draught fan, the low-temperature evaporator is provided with a liquid supply pipe and a steam return pipe, and the liquid supply pipe and the steam return pipe are communicated with the cold source area. A sample rack and an air flue plate are also disposed in the sample freezing area. The sample rack, the air flue plate and the heat-preserving enclosure form a closed air flue. A plurality of sensors are arranged in the sample freezing area. A control box is disposed outside the shell, a display device is installed in the control box, the sensors are electrically connected with the control box, an air speed adjusting device is further installed in the control box, and the air speed adjusting device is electrically connected with the draught fan. The structure of the instant freezing device is relatively simple, operation is easy and convenient, and the air speed and the temperature of the sample freezing area can be changed by adjusting the rotation speed of the draught fan.

Description

technical field [0001] The invention belongs to a freezing device, in particular to an experimental quick-freezing device. Background technique [0002] With the improvement of people's living standards and the acceleration of the pace of work, frozen prepared food has quickly become an important pillar of convenience food and fast food because of its convenience, hygiene, and easy quality assurance. In the development stage, the competition between brands and markets is becoming increasingly fierce. Reducing production costs and developing new products has become an important strategy for every frozen food manufacturer to occupy the market. However, at present, major domestic frozen food production enterprises have difficulty in balancing and grasping the contradiction between the singleness of food freezing machinery and equipment and the diversification of frozen food, reasonable and efficient freezing, resulting in low utilization efficiency of refrigeration equipment a...

AI Technical Summary

Problems solved by technology

It is difficult for large-scale quick-freezing equipment to complete this research. There are many reasons for this. First, the freezing temperature and freezing wind speed of large-scale quick-freezing equipment are difficult to control and adjust. Second, it is difficult to measure the freezing temperature and freezing wind speed. Third, the freezing time of food is difficult. Fourth, the characteristics of the freezing process of food cannot be tracked in a timely manner, fifth, the experimental work is difficult to operate, and finally it is a huge waste of energy

At the same time, due to the late development of the quick-frozen food industry chain in my country, there is a lack of professional research equipment and institutional participation in the research on the properties of quick-frozen foods, and the database of quick-frozen food properties that adapts to my country's national conditions has not been established.

The equipment design parameters of quick-freezing equipment manufacturers imitate foreign materials, which seriously restricts manufacturers from producing quick-frozen food equipment suitable for my country's national conditions, which in turn affects the improvement of the quality of quick-frozen food in my country and energy conservation

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