A glass room 8 meters long and 2.5 meters wide seen at the Jiangdu Practice Base of Yangzhou University is not a common ordinary car that we usually use, but a mobile solar smart that can be pulled with only the bottom of the tire. Drying room.
“The house uses solar energy, biomass energy, and electric energy to complement each Other and intertwined, and can be combined into different types of use to save the * dry mode.†Undertake the national key research and development plan “Multi-energy complementary bacteria drying device developed with its intelligent control technology†Professor Zhang Jianfeng of the School of Mechanical Engineering of Yangzhou University said that the equipment can not only achieve several times absorption of solar energy, but also use vacuum glass to achieve light transmission and heat preservation, and use clean, low-carbon biomass energy as a supplementary energy source for the drying room. While the machine is running all the time, it is truly high-quality, high-efficiency, energy-saving and environmentally friendly. It changes the traditional energy consumption of fruits and vegetables, and it has low energy consumption, low efficiency and unguaranteed quality.
The traditional method of drying fruits and vegetables relies on natural drying, dryness, etc. to evaporate the water in the raw materials of fruits and vegetables. This method is limited by climatic conditions, low level of technology, product quality is difficult to guarantee, and can not meet the needs of large-scale production. In recent years, some artificial drying equipments have appeared one after another, but the conventional hot air drying equipment has high energy consumption and heavy coal burning pollution. The emerging technologies such as microwave drying, far infrared drying and freeze drying have high equipment costs and are not easy to promote.
“Since the project was established in 2018, the school research team has formed a multi-disciplinary* research team to focus on some of the problems encountered in deep processing of agricultural products, and to focus on tackling energy, renewable energy and renewable biomass for the first time in China. And the multi-energy complementary drying scheme of electric energy." Zhang Ruihong, a famous agricultural machine in China and a professor of mechanical engineering at Yangzhou University.
Zhang Jianfeng introduced that the mobile solar smart drying room has made bold breakthroughs in hardware design. The scientific research team innovatively uses vacuum flat glass with good heat collection and heat preservation performance to construct a solar drying room with two sides of light transmission, and uses a cross flow fan and a centrifugal fan as the power source for heat energy collection and air convection drying, which greatly improves the solar energy utilization efficiency and reduces The manufacturing cost of the unit solar energy utilization area.
At the same time, a retractable retro reflector was designed on the front of the drying room to reflect sunlight. Among them, the device's adaptive retracting system with hydraulic device can control the expansion board to freely retract according to weather and day and night conditions. This design can effectively improve the insulation efficiency of the drying room and the mobility of solar energy absorption, and also facilitate the transportation and use of equipment.
In addition, considering the instability of solar energy, the research team adopted the clean and renewable biomass energy of straw granules as a supplementary energy source for dry rooms, practicing the concept of multi-complementary energy conservation and environmental protection, so that the drying room can be used at all times. Work around the clock, protected from weather changes and day and night changes.
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