Sweet potato drying machine

Sweet potato

The plantis a perennial herbaceous vine with alternating heart-shaped or palm-shapedlobed leaves and medium-sized alternate flowers. The edible tuberous roots arelong and tapered, with smooth skin and a color between yellow, orange, red,brown, purple and beige. Its skin color ranges from beige to white, red, pink,purple, yellow, orange and purple. Sweet potato varieties with white or lightyellow flesh have lower sweetness and humidity than sweet potato varieties withred, pink or orange flesh.

Sweetpotato is native to the tropical regions of the Americas. Among theapproximately 50 genera and more than 1,000 species in Convolvulaceae, sweetpotato is the only significant crop, and some other plants are used locally(for example, aquatic potatoes), but many are toxic. Sweet potato containingsweet potato also includes several garden flowers, called morning glory,although the term usually does not extend to sweet potato. Some cultivars ofsweet potato are planted as ornamental plants under the name of tuber morningglory for horticulture.

Sweetpotato is also known as hawthorn, sweet potato, sweet potato, etc. Sweet potatois rich in protein, starch, pectin, cellulose, amino acids, vitamins andvarious minerals, and has the reputation of “longevity food”. The sugar contentreaches 15-20%. It has anti-cancer, protects the heart, prevents emphysema,diabetes, and lose weight. In the Ming Dynasty, Li Shizhen's "Compendiumof Materia Medica" recorded "sweet potato tonic, spleen appetite,strong kidney yin", and said that the people in the sea eat longevity.Chinese medicine regards sweet potato as a good medicine.

Sweet potato is a dicotyledonous plant belonging to the convolvulaceae or the morningglory family. Its roots are large, starchy, sweet and tuberous, and are rootvegetables. Young leaves and twigs are sometimes eaten as green. Sweet potatois generally considered to be a potato (potato), but it does not belong to theSolanaceae family, but the two families belong to the same taxonomic order,namely the eggplant. Sweet potatoes, especially orange varieties, are oftenreferred to as "yam" in parts of North America, but are botulinouslydistinct from real yam.

Sweet potato drying steps:

The firstis the pre-treatment work: first clean the sweet potatoes, then put them intothe boiler for cooking. Take out the sweet potato when it is about seven oreight mature, and wait until it cools before slicing. In the sectioningsection, firstly, the thickness should be kept consistent, and it should besuitable in about 2 cm. After completing the above steps, the sweet potatochips can be placed in the material tray, so that the thickness is uniform andthe arrangement is neat.

Specifically,the high-end sweet potato is required to do three steaming and three baking.

Peeling-cooking-cutting-drying-steaming-baking-steaming-baking,the warehouse is launched during the drying process, the sweet potato is dried,the sugar is separated, and dried.

Sweetpotato slice dryer, drytech heat pump dryer use for drying sweet potato

Dryingprocess:

1. Firstboot, when the temperature of the drying room reaches 40 degrees, push thematerial cart filled with sweet potato chips into the drying room, set thetarget temperature to 40 degrees, and the time is 2 hours.

2. Enterthe second stage, set the target temperature to 60 degrees, and set the dryingtime to 2 hours for continuous dehumidification.

3. In thethird stage, the target temperature is raised to 65 degrees, and the dryingtime is set to 2 hours for continuous dehumidification.

4. Enterthe fourth stage, set the target temperature to 70 degrees, set the drying timefor 2 hours, and carry out continuous dehumidification. Generally, the humidityof the final sweet potato chips is kept at 16-18%, and drying can be completed.

5. Afterthe shutdown, let the sweet potato chips cool naturally.

The entiredrying time is generally around 12-14 hours.

Packinginto the bag: Take out the dried sweet potato chips for bagging. It is best tovacuum pack. The packaged sweet potato chips can be stored in a coolenvironment or can be refrigerated.

Theproduction process of sweet potato is various, especially regional, so thedrying parameters are also different. The rising air source heat pump dryer hasa range of 10-75 degrees, and can set 10 drying time periods and different timeperiods. Adjustable, humidity controllable to meet the adjustment of differentprocesses.