SOLAR DRYERS


The solar drying system utilizes solar energy to heat up air and to dry any food substance or other product loaded, which is beneficial in reducing wastage of agricultural product or any other product and helps in preservation of the product. Based on the limitations of the natural sun drying e.g. exposure to direct sunlight, liability to pests and rodents lack of proper monitoring, and the escalated cost of the mechanical dryer, a solar dryer is therefore developed to cater for this limitation.The solar drying system utilizes solar energy to heat up air and to dry any food substance or other product loaded, which is beneficial in reducing wastage of agricultural product or any other product and helps in preservation of the product. Based on the limitations of the natural sun drying e.g. exposure to direct sunlight, liability to pests and rodents lack of proper monitoring, and the escalated cost of the mechanical dryer, a solar dryer is therefore developed to cater for this limitation.

Successful drying depends on:

• Enough heat to draw out moisture, without cooking the food;

• Dry air to absorb the released moisture; and

• Adequate air circulation to carry off the moisture.

A major section of the Food processing industry deals with drying of agricultural products for better preservation, long term storage and exports. In India, a large chunk of the drying is still done by drying the product out in the sun. This not only takes a lot of time (usually in days) but is also very unhygienic because of possible contamination. Solar dryer can be used for fruits (apples, apricots, grapes, pineapples and banana taste great when dried, melon, plums, beets, mangoes, dates, figs), vegetables (cabbage, broccoli, peppers, herbs, onions, squash, tomatoes, asparagus, celery, potatoes, peas, carrots, peppers, cassava, yams, red cedar, mahogany) corn, maize, rise, cassava, cocoa, fish, meat, mushrooms, spices (dried chili peppers, garlic) tea, coffee, cacao, tobacco, cashew and macadamia, milk, hay, copra (kernel of the coconut), but also clothing, wool, kindling and also for treating timber and many more.

A more effective way is the use of Solar Dryers; they increase the moisture removal rate, thus speeding up the drying process while reducing chances of contamination. The use of Industrial Solar Dryer thus reduces your drying time and thereby allows you to increase your production level.

 

A more effective way is the use of Solar Dryers; they increase the moisture removal rate, thus speeding up the drying process while reducing chances of contamination. The use of Industrial Solar Dryer thus reduces your drying time and thereby allows you to increase your production level.

For high production capacities, however, its best to opt for gas fired dryers, as solar dryers require a lot of space. This Gas fired dryers reduce the drying time dramatically and thus allows high production rates. These are not standard dryers and need to be custom built according to your requirement, which is usually based on the moisture content in the product to be dried, moisture removal rate required, total production per day etc.

Fortunately TSSPL offers both solutions for people in the Food Processing Industry - Design, Manufacture and Installation of Solar Dryers as well as Gas Based dryers. TSSPL has successfully offered custom built drying solutions for a wide variety of products like drying of tomatoes, onions, chili etc. and even other articles like handmade paper etc.

Solar energy-based Hot Air Drying Solutions from TSSPL is offered for heated air requirements ranging from 30° C to 85° C and above.

Solar Dryer removes unnecessary moisture from the product with retention of original color and taste as well as keeps the product free from any environmental factor, dust, dirt, animal or bird droppings.

 

Features:

 

  • Hygienic Drying and dried foods are tasty, nutritious, the nutritional value and flavor of food is only minimally affected by drying
  • Dried foods are high in fiber and carbohydrates and low in fat, making them healthy food choices
  • Vitamin A is retained during drying
  • Protection of drying products from contamination by animals, birds or insects, rain, wind and pollution of dust etc.
  • Transportation costs are reduced; dried Products weigh only about 1/6 of the fresh food product and also the storage space is minimal, so easy-to-store
  • No Color De-gradation due to UV rays.
  • Low running Cost hence higher savings with solar dryer
  • Optional Automatic Controls for dampers with humidity and temperature sensors with solar dryer.
  • Low Cost and Easy to Operate – anyone can operate – No expertise needed
  • Longer life of dried products due to complete drying and good product quality
  • Air Flow Provided by Solar fan with the help of solar panel
  • More Efficient and fastest drying rates due to high air flow rate
  • Better temperature control with solar dryer
  • Yearlong running due to electrical and diesel generator option

The energy input is less than what is needed to freeze or can

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