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The emergence of fruits and vegetables not only enriched the taste buds of consumers, but also provided a new business opportunity for the fruit processing industry in China. It is understood that China is the world's largest producer and consumer of fruits and vegetables. According to data from the Ministry of Agriculture, the total output of fruits and vegetables in China was nearly 1 billion tons in 2014, of which vegetable production exceeded 700 million tons. However, at present, the consumption of fruits and vegetables of our country's residents mostly stays in raw food and kitchen, restaurant cooking and other primary processing methods, which also causes China's annual loss of agricultural products worth 200 billion yuan. From the perspective of reducing waste of resources, the emergence of high fruits and vegetables is like a “timely rain†in the fruit and vegetable industry experiencing long drought.
The constant maturity of the market for dried fruits and vegetables not only injected vitality into the development of the fruit and vegetable industry, but it also brought good news to the fruit and vegetable equipment industry. Different from the fact that fresh fruits can be directly taken off, the production process of dried fruits and vegetables is relatively complicated. The processing process may involve a variety of equipment such as: dryers, sterilizers, and packaging machines. It is understood that at present, the methods used for dry processing of fruits and vegetables include natural drying and artificial drying.
Natural drying usually includes two basic factors: the drying effect of solar radiation and the drying effect of air. Artificial drying equipment costs a lot, the operation technology is more complex, and therefore the cost is higher, but the high yield, good quality, with natural dry system can not be compared to the superiority, is the direction of fruit and vegetable stem.
Manual drying equipment should have good heating and insulation equipment to ensure the high and uniform temperature required for drying; good ventilation and timely removal of moisture from raw materials; better sanitation Conditions and working conditions to avoid product contamination and ease of operation and management.
At present, China's artificial drying equipment is generally divided into convection drying equipment heated by hot air, heat radiation drying equipment heated by heat radiation, and induction drying equipment borrowed by electromagnetic induction heating. 3 categories. In addition, there are batch-type drying chambers and continuous-channel drying chambers, and low-temperature drying chambers and high-temperature drying chambers. The heating medium used is steam, hot water, electric energy, flue gas and so on. Intermittent drying chambers use steam and electric energy for heating, and continuous channel drying rooms use infrared heating. Electromagnetic induction drying is not yet widely used.
In short, advanced processing technology and processing equipment are the necessary guarantee for the long-term development of fruits and vegetables in the market.
When entering the Supermarket, it is not difficult to find a variety of snack foods such as potato chips, shrimp paste, snow cake, preserved fruit, dried fruit, fish fillets, and dried meat, etc. The packaging is novel, fashionable, and has distinctive characteristics. Along with the improvement of people’s living standards, snack foods Has quietly become the new darling of consumer market also appeared more and more common fruits and vegetables.