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Dongguan Zhengxu new energy equipment Technology Co., Ltd
  • Address: No.5, West 1st Street, Xingfa South Road, No.6 Industrial Zone, wushaliwu, Chang'an Town, Dongguan City
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    Pumpkin heat pump drying solution

    Zhengxu design department Update Date: September 19, 2020
    Pumpkin, also known as wheat melon, squash, papaya, Fu Shi, rice gourd, golden gourd, Wogua, Japanese melon, Beigua, and so on. Pumpkin originated in the tropics, because it was introduced into China a long time ago, so it is also called "Chinese Pumpkin". Pumpkin is not only cultivated in China, but also widely cultivated abroad, commonly known as "bamboo shoot melon" in India. American pumpkin, also known as“ Squash ”。
     Heat pump drying solution of Zhengxu pumpkin

    Health care function

    1. Detoxification: Pumpkin contains vitamins and pectin, pectin has a good adsorption, can bond and eliminate the body's bacterial toxins and other harmful substances, such as lead, mercury and radioactive elements in heavy metals, play a role in detoxification;
    2. Protection of gastric mucosa, help digestion: pumpkin pectin can also protect gastrointestinal mucosa, from coarse food stimulation, promote ulcer healing, suitable for patients with stomach disease. Pumpkin ingredients can promote bile secretion, strengthen gastrointestinal peristalsis, and help food digestion;
    3. Eliminate carcinogens: pumpkin can eliminate carcinogens Nitrosamine It can also help the recovery of liver and kidney function and enhance the regeneration ability of liver and kidney cells.

    The cost of fresh pumpkin is relatively low. Processing pumpkin into dried pumpkin can not only maintain most of the nutritional components of pumpkin, but also increase the added value of pumpkin, which has a broad market prospect. In addition, it also increases the income of farmers and has good social and economic benefits.


    Comparison of drying methods of pumpkin

    It is time-consuming and laborious to dry Pumpkin by natural air drying, and it is also affected by the weather. In case of continuous rainy days, the quality of dried pumpkin may be poor, and even all efforts are in vain.

    Compared with heat pump drying, electric heating drying consumes more electricity, which results in higher drying cost of dried pumpkin, which can not be compared with energy-saving and environmental protection pumpkin heat pump dryer. Therefore, the pumpkin heat pump dryer has the best drying effect and the highest cost performance ratio at present.

    Characteristics of air energy heat pump dryer

    Zhengxu air energy heat pump dryer is a new type of high-efficiency energy-saving drying equipment. Its working principle is based on the principle of reverse Carnot cycle. It uses a small amount of electric energy and uses the compressor to absorb a large amount of heat in the air. The working medium is evaporated into a gaseous state in the evaporator after passing through the expansion valve, and then the working medium is compressed into high-temperature and high-pressure gas by the compressor, and then enters the condenser The drying medium is heated by exothermic heat, which is continuously circulated. Compared with the electric dryer, it saves two-thirds of the electric energy.

    Pumpkin heat pump dryer The unique drying curve and moisture discharge curve of Zhengxu were adopted to reduce the moisture content of pumpkin in the shortest time and greatly improve the drying efficiency of pumpkin. At the same time, the equipment has a high degree of automation, no need for special care, pumpkin drying process is completed by intelligent control, saving a lot of labor costs.

    Drying technology of pumpkin with heat pump

    The production process of pumpkin slice is as follows

    Pumpkin raw material → seed Cleaning → slicing → slicing → color protection → drying
    The specific steps are as follows:
    1、 seed clean: The pumpkin with hard skin, about 78 years of maturity, no decay, no deterioration and orange flesh, Put it into the cleaning tank and clean the skin thoroughly. Put the cleaned pumpkin into 10 mg / kg hypochlorite solution, Soak for 5-10 minutes to eliminate microorganisms on pumpkin surface;
    2. Section: After cleaning the pumpkin, remove the stem and flesh, and cut into uniform circular slices with a thickness of 2 ~ 5mm;
    3. Color protection: The pre boiling time is 3-5 minutes, the water temperature is 90-100 ℃, and the proper amount of salt is added into the water After that, vibrate for 5-10 minutes and drain. Pumpkin after precooking, can prevent color change, does not affect the color of pumpkin, play It has a protective effect;

    4. Drying: Put pumpkin slices on PP food grade plastic tray, start Zhengxu air energy pumpkin baking Drying machine: the drying temperature of pumpkin slices is set at 40 ~ 65 ℃, which is divided into three periods, and the total drying time is about 6 ~ 8 Bake pumpkin for hours About 8% ~ 12%.

    Material drying case recommendation More material drying cases > >
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  • Address: No.5, West 1st Street, Xingfa South Road, No.6 Industrial Zone, wushaliwu, Chang'an Town, Dongguan City, China unified customer service hotline: 180-3832-0968
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