1. Not affected by external factors, no pollution The air dryer drying system places materials in the drying room
and realizes the drying process in a * * * * enclosed space. It is
not affected by external dust, debris, and air odor, so it will not
cause secondary pollution of materials, especially some food
materials. The traditional natural air drying method is easily
affected by external factors such as weather and air, which can
cause pollution to the materials. Fruits such as persimmons,
hawthorn, mangoes, Chinese herbal medicines such as goji berries,
huaishan, and gastrodia elata, as well as vegetables such as chili
peppers, cucumbers, and beans, are prone to dust and secondary
pollution due to their long natural drying time. 2. Mild dry environment and good appearance Air dryer drying is more suitable than traditional drying methods
because it can achieve accurate temperature and humidity control,
thus simulating a drying curve that is more suitable for material
drying. This ensures that the color and appearance of the material
change little during the drying process, and generally does not
cause drying defects such as deformation, cracking, surface
hardening, and darkening. The traditional drying method is
difficult to control the temperature and humidity, which can affect
the appearance of the material. For example, when drying cured
meat, the traditional drying method reduces the moisture content of
the meat by rapidly increasing the temperature. However, due to the
rapid temperature rise, the surface of the cured meat becomes
scabbed and hard to dry. Our company's heat pump drying controls
the temperature and humidity according to different time periods,
resulting in a much better appearance of the dried cured meat. 3. Even drying and high yield rate At present, the traditional drying method mostly adopts a forced
discharge method, which has the disadvantage of temperature and
humidity differences inside the drying room, resulting in poor
uniformity of material drying. This leads to local materials
becoming moldy during the drying process, resulting in the
occurrence of defective products and affecting the yield rate of
the entire batch of materials. Heat pump drying, through scientific
and reasonable air duct design, can ensure that the temperature and
air volume of various parts in the drying room are basically
consistent, thereby ensuring the uniformity of material drying.
Drying wood with a heat pump can reduce deformation and cracking,
with high utilization rate. The natural drying method is affected
by the external environment, and the utilization rate is lower
under wind and rain conditions. 4. Controllable temperature and minimal nutrient loss In traditional drying methods, temperature is the most important
factor, so most traditional drying equipment only focuses on the
temperature that can be raised and ignores the more important
issues such as relative humidity and drying surface area in drying.
Excessive temperature often leads to the evaporation of beneficial
and useful components in the material, resulting in the loss of
nutrients. Fruits and vegetables are rich in vitamins and aromatic
substances, with strong thermal sensitivity. Using traditional
drying methods, high temperatures will cause their aromatic
substances, chlorophyll, fruit red and other pigments to be
completely lost, resulting in the product losing its color. The air
dryer can dry at temperatures close to natural drying, and the
evaporation rate of surface moisture of the material is similar to
the migration rate of internal moisture to the surface, retaining
more of the material's vitamins and having higher nutritional
value. High temperature air heat pump dryers are mainly used in
agriculture, such as tobacco, tea, cassava, sand, wood, etc; Food:
bacon, sausage, seafood, preserved fruit, red dates, edible fungi,
sweet potatoes, Rice noodles, etc; Medicinal materials: ginseng,
medlar, honeysuckle, momordica grosvenorii, panax notoginseng, etc;
Industrial aspects: electroplating, fireworks and firecrackers,
straight tubes, leather, Buddha incense, clothing, etc