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Commercial and Industrial Food Dehydrator Manufacturer Since 1994.

Chrysanthemum heat pump dryer is more and more popular in the market

As a new drying method, chrysanthemum heat pump dryer equipment is energy-saving and environment-friendly. The finished products baked are of excellent quality and no pollution, and are more and more popular in the market. Why choose chrysanthemum heat pump dryer equipment? The water content of fresh chrysanthemum is relatively high, among which the water content of petal part is relatively small, the tissue is tender and easy to dry, while the water content of flower head part is extremely large, reaching more than 80%, and the tissue is relatively old and is not easy to lose water, that is, chrysanthemum flower head is a kind of extremely uneven tissue. Most of the dried chrysanthemums are used to make tea and have the functions of thick, sweet, greasy, digestion and refreshing. Therefore, the color, aroma, shape and taste of chrysanthemum are required to be high, and the primary color, original taste and original taste after drying are required, which requires drying after ripening and strong drying of pyrene head part, and the petal part is weakly dried. At present, the traditional drying process of steaming first and drying in the sun not only depends entirely on the weather, but also causes the petals to be too dry and the petals to fall off, and the quality of dried chrysanthemum cannot meet the requirements. However, the temperature of drying methods such as burning coal or fuel oil is uncontrollable, which easily leads to uneven drying, dim color of chrysanthemum or shedding of petals, and there may be residual harmful substances attached. The temperature and humidity of heat pump drying can be controlled, which can effectively ensure the nutritional components of chrysanthemum, improve the efficiency of finished products and reduce the defective rate of dried products. Moreover, the drying process is safe and reliable, and there is no danger of harm to people during the drying process. It can also save 50% of the labor cost, and is not limited by the climate and environment, and can be produced overnight. In addition, the chrysanthemum heat pump dryer equipment is also relatively economical. In terms of the initial investment cost of the equipment, the cost of heat pump drying and electric heating drying is higher than that of hot blast stove drying, of which the initial investment of heat pump drying is the largest, however, the operation cost of heat pump drying is the lowest. Taking drying 100 kg of fresh chrysanthemum as an example, the cost calculation of various drying methods is shown in Table 1. Through comparison, it can be seen that although the initial investment of heat pump drying equipment is higher than other drying forms, its operation cost is the lowest. According to the calculation of drying 5 tons of fresh chrysanthemum every year, the cost of heat pump drying equipment can be recovered in the fourth year. Therefore, in the long run, the economy of heat pump drying technology is higher than other drying methods. Guangdong IKE heat pump drying has been committed to drying agricultural and sideline products and Chinese herbal medicines for many years. Many chrysanthemum heat pump drying projects have been done all over the country. Its four-stage drying method, it can better improve the drying quality of chrysanthemum and increase its added value. Drying in stages, the quality is better, and the picking time of chrysanthemum is once after early November, accounting for about 50%of the output, every 5- After 7 days, it was picked for the second time, accounting for 30 of the output. After 7 days, it was picked again, accounting for 20% of the output. Chrysanthemum should be dried immediately after harvest to avoid browning, mildew and deterioration. Generally, 5kg of fresh flowers are dried out 1kg of dry goods. 1. Pre-baking: before flowering, increase the moisture and temperature in the baking room. When the room temperature rises to 30 ℃, the flowering can be prepared. 2. Flower loading: When the indoor temperature rises to 35℃, flowers can be loaded. Press 3 ~ to pack flowers first ~ The thickness of 4 cm is evenly scattered in the flower basket, one by one placed, the flowers can not overlap, pay attention to the petals up. Then discharge the basket on the drying rack, and push the drying car into the drying room for drying after all are placed. After installation, close the doors and windows, block the vent holes and bake. 3, drying: because the water content of each part of the chrysanthemum is very different, in order to ensure the quality of drying, it is necessary to control the temperature and humidity reasonably. The first stage is to fix the green, and the drying room temperature is kept at 60 ~ Between 65℃, time is 2 ~ 3 hours, the humidity in the drying room at this stage is relatively high, reaching 80 ~ 90%. In the second stage, the temperature dropped to 35 ~ 40 ℃, heat preservation 2 ~ 3 hours; Then heat up to 40 ~ 45 ℃, keep warm for 8 hours; Continue to heat up to 50 ~ 55 ℃, keep warm for 8 hours; A total of 18 ~ 20 hours, humidity control at 55%. The third stage, the temperature 35 ~ 40 ℃, heat preservation 3 ~ 4 hours; Heat up to 45 ~ 50 ℃, keep warm for 15 hours; Heat up to 55 ~ 60 ℃, keep warm for 1 hour; A total of 19 ~ 20 hours, humidity control at 28%. The fourth stage, 35 ~ 40 ℃, heat preservation 3 ~ 4 hours; Heat up to 45 ~ 50 ℃, keep warm for 5 hours; Heat up to 50 ~ 55 ℃, keep warm for 5 hours; A total of 13 ~ 14 hours, humidity control at 15%. ( The hot air blower has been working continuously, recording by hour) Chrysanthemum with qualified drying quality should be dried evenly, with clear petals, bright colors, no dark black or brown, no curling or only a small amount of curling, and no obvious drying shrinkage, toughness and faint smell. Due to the difference in climate and variety or harvest time, the drying time of chrysanthemum is also different. It should be noted that every 23 hours of baking, the upper and lower baskets of the baking shelf are switched to each other to ensure uniform baking. 4. Graded storage: dry out the oven, remove the mosaic impurities after cooling, classify them according to the grade standard, pack them in plastic bags and store them indoors. Chrysanthemum should be stored in a cool, dry and dark place at a temperature below 30 ℃ and a relative humidity of 65%-70%, commodity safety moisture 10%-14%. During the storage period, it should be first-out of the advanced storage room, not long-time storage, regular inspection, to prevent moisture, high temperature and high humidity season, small pieces can be sealed, placed quicklime, charcoal, anhydrous calcium chloride and other moisture absorption, found mild mildew, Moth, should be timely drying. Where conditions permit, keep it in a low-temperature warehouse or inject oxygen and nitrogen for maintenance. 5, chrysanthemum heat pump dryer equipment to understand

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