With the development and application upgrading of environment-friendly vegetable dryer, compared with the traditional dryer, the new technology has more obvious advantages and is favored in the current and future market. So many advantages to see the third one.
It has a wider range of applications. By controlling the operation state of the heat pump, the internal temperature of the dryer can be controlled between 20-80 ℃, which can fully meet the drying needs of most materials.
It can easily realize environmental protection and pollution-free. It only needs to place the materials inside the dryer to realize the drying process in a completely enclosed space. During the drying process, vegetables will not be disturbed by external dust, sundries and peculiar smell in the air. Therefore, it will not cause secondary pollution to dry materials, especially for some edible materials. The traditional coal-fired drying process will produce pollutants such as carbon dioxide, hydrogen sulfide and nitric oxide during coal combustion, which will not only pollute the environment, but also bring unfinished pollutants into the drying chamber and damage the dry materials, because the drying system adopts the way of circulating air.
Save labor cost. The coal-fired drying process adopts manual coal and firewood. The process is intermittent and continuous, and has high requirements for labor force. Some materials need several days to dry, and coal and firewood need to be added manually. The environment-friendly vegetable heat pump dryer adopts intelligent one key operation. When the machine is started and the operation curve of the equipment is set, there is no need for manual duty, and the material can be discharged after the drying process is completed.
The drying quality is better than that of coal-fired process. The temperature of coal combustion process is controlled by manual continuous coal and firewood feeding. During this period, the temperature will vary, and the poor temperature control will cause phase damage to the dried materials. The environment-friendly vegetable dryer adopts PLC to control the temperature and humidity, which can control the temperature error within 0.5 ℃ to meet the requirements of materials in the drying process, so as to complete a more appropriate drying curve for materials and ensure the drying of materials. Control color quality, appearance, etc. Moreover, the high temperature of coal combustion will cause the loss of beneficial and useful components in the air with the volatilization of water.
The dried products are consistent. For the coal-fired drying process, the uniformity and height of the hot air discharged into the drying chamber from the coal-fired hot blast stove are inconsistent, which will lead to the premature drying of some materials in the high-temperature area, while the materials in the low-temperature area have not been dried, which will lead to the mildew of some materials in the drying process and defective products; The environment-friendly vegetable dryer adopts a more scientific and reasonable air duct design to ensure that the temperature and air volume of each part of the dryer are basically consistent, so as to ensure the uniformity of material drying.
There is no potential safety hazard. There is an open fire in the process of coal drying, and the drying temperature and pressure are too high, which has potential safety hazards. The air energy heat pump drying technology is adopted, and the equipment temperature and humidity are intelligently controlled. The temperature will not be too high, and there are no hidden dangers such as open fire.
The process can recover useful volatile powder, such as the beneficial components contained in the water evaporated from rose culture medium, which can be condensed into water through environmental protection.
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