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FAQ Solar Dryers Frequently Asked Questions For Solar Dryers

Frequently Asked Questions About Solar Dryer

 

 


What Is Solar Dryer?


Solar Dryer Is Machine Or Device Which Uses Solar Thermal Radiation To Remove The Moisture Or Water Content From The Substance Kept For Drying. This Is Widely Used Machine For  Post Harvest Technology Using Solar Radiation.


How Solar Dryer Works?

Solar Dryers Mainly Works On Same Principle Like Greenhouse Effects, Where The Heat Is Generated Mainly By Using Solar Radiation. The Radiation Is Trapped Inside Closed Chamber And The Ablsorber Plates Inside The Dryer Gets Heated And Remove The Moisture From The Product That Moisture Is Thrown Out By Means Of Solar Operated Fans. The Main Process Involves Is The Heat And Mass Transfer Converting Light Energy To Heat Energy.


How Solar Dryers Are Classified In Different Types?

There Are Main Classification By Means Of Heating Is Done. One Is Direct Radiation Dryers, One Is Indirect Radiation Dryer And Another Is Combination Of Both That Is Mixed Mode Solar Dryer.

As Per The Design And Construction The Solar Dryers are Classified As Cabinet Dryer, Tunnel Dryer, Tent Dryer, Box Dryer, Etc,

As Per The Usage And Commodity Dried The Dryers Can Be Classified As Solar Herb Dryer, Solar Fruit Dryer, Solar Vegetable Dryers, Solar Fish Dryer, Ultimately All Dryers By Commodity Name Are Same, Any Kind Of Commodity Can Be Dried In Any Kind Of Dryer.



How Many Types OF Solar Dryer Available In Market?

In Market All Types Of Solar Dryer By Design Like Direct Solar Dryer, Indirect Solar Dryer, Mixed Mode Solar Dryer Available As Per Customer Requirement. By Look And Design Type Anotheravailable Dryers Are Tunnel Dryer Have Look Like Big Tunnel, Tent Dryer Having Look Like Tent, Box Dryer Having Look Like Box, Cabinet Dryer Ha


Which Type Of Solar Dryer Is Best?

As Per Your Product, City, Location Material Availability, Quality Of Material Used, Drying Rate And Efficiency, Life Of Dryer And Your Budget Is More Important To Decide That Which Dryer Is Best For You. However Perfectly Designed Engineered And All Three Modes Heating Dryer Will Always Best For You.


Which Type Of Solar Dryer Rudra Solar Energy Supplies?

Rudra Solar Energy Supplies Direct Mode Cabinet Type Solar Dryer With All 3 Modes Of Heat Transfer.


How To Check Quality Of The Other Solar Dryer Available In Market?

There Are Lot Many Suppliers In Market Who Copies Other Dryers With Cheaper Material Available With Less Life And Less Efficiency. In This Case Buyer Have To Be Smart Enough To Check The Some Facts What The Supplier Is Supplying Them Not Looking Only Cost Factor You Need To Check All This Factors.The Material Used In Body Support Structure, Tray Material, Covering Material, Dust, Insect And Water Penetration, Dryer Efficiency And Drying Rate Per Sqmtr.


Which Kind Of Material Used For Making Rudra Solar Dryer?

Rudra Solar Uses All High Quality Long Lasting Non-Rusting Food Grade Material Only To Give Value For Money To The Customers. Expected Life Of Every Components Of Structure Is Around 20 Years.


Which Heat Mode Rudra Solar Dryer Uses?  

Rudra Solar Dryer Used All Three Modes Of Heat Transfer That Is Direct Radiation Heat Wihich Falls On Products, Another Is Conductive Heat Transfer Done Due To Heating Of Solid Metal Trays Which Passes Heat To The Product Kept For Drying, And Third One Is Convective Heat That Is Caused Due To Circulation Of Hot Air Generated In Dryer Cabinet Which Takes Out The Moisture That Is Why The Efficiency And Drying Rate Of Rudra Solar Dryer Is Higher Compare To Others.


How The Heat Is Generated In Rudra Solar Dryer?

Rudra Solar Dryer Works On Principle Of Green House Effect When Solar Radiation Enters In The Cabinet It Gets Trapped In Cabinet And That Radiation Light Energy Is Converted In To Heat Energy By Means Of Radiation , Conduction And Convection Heat.


What Is Efficiency Of Rudra Solar Dryer?

The Peak Performance efficiency of Rudra Solar Dryer ranges between 63 to 68 % Different Model wise while the other low quality Solar Dryer Available In Market Have Efficiency in range of 15 to 20 %.


Is Rudra Solar Dryer Dust Proof?

Yes There Are Special Grade Industrial Dust Filters Used To Prevent The Dust Entering In To The Dryer.


Is Rudra Solar Dryer Water Proof?

Yes The Complete Structure Of Rudra Solar Dryer Is Water Proof There Is No Chance Of Water Penetrating Inside The Dryer Where The Material Kept For Drying



Is Rudra Solar Dryer Insect Proof?

Yes There Are Inlet And Outlet Both Side Insect Filters Are Provided To Prevent The Insects Entering In To The Dryer

Is There Any Change In Products Original Taste, Colour, Flavour Or Aroma In Rudra Solar Dryer?

No There Will Not Be Any Change In Products Taste, Aroma Flavour Colour Nutritional Value Or Any Basic Properties. The Rudra Solar Dryer Only Removes The Moisture Water Content In The Product. How Ever Some Product May Oxidize In Presence Of In Contact With The Air That Is Always Be There.


Can Rudra Solar Dryer Protects Product From Animals And Birds?

Yes Your Products Kept Under Drying In Rudra Solar Dryer Is Safe From Any Bird Or Animal Intervention.


What Can Be Dried In Rudra Solar Dryers?

Rudra Solar Dryers Are Made For Multipurpose Drying, You Can Dry Anything In That, You Can Dry Fruits Vegetables, Herbs, Spices, Mushrooms, Fish And Sea Foods, Meat And Food, Fruit Pulps, Chemicals And Pharma Products, Some Industrial Products Also. Means Whatever You Can Dry Using Any Available Dryers In Market Can Be Dried In Rudra Solar Dryer. You Cannot Dry Only Products That Are Made Using Spray Dryers.


How Long It Takes To Dry The Complete Product In Rudra Solar Dryer?

There Is No Perfect Time That Any One Can Predict In Any Kind Of Dryer Available On Earth. As It Depends On Lot Many Factors Like Weather, Sun Light, Local Humidity, Particle Size, Initial Moisture In Product Etc. However If Sun Light Is Clear And Small Particle Size Will Dry The Products In Just One Solar Day That Is From 8 Am In The Morning To 5 Pm In Evening. The Products Like Leafs Will Be Dried In Just 3 To 4 Hrs. If You Take Whole Tomato And Keep It For Drying It May Take 5 Days Also And May Not Dried Perfectly. But When You Cut That Tomato In Two Pcs Vertically Then It Will Dry In 2 Days Or 2.5 Days, But You Cut That Same Tomato In 6 Pcs Vertically It Will Dried In One Day. Same Way In Ginger, Carrot Or Any Vegetable Or Fruits Same Way Smaller The Particle Size The Faster The Drying.


Which Type Of Tray Used In Rudra Solar Dryer?

Rudra Solar Dryer Have Specially Developed Industrial Food Grade Trays Made from Sheet Metal Either Perforated Or Plain Depends On The Requirement Of Which Kind Of Material Is To Be Dried.


What Is The Tray Material Used In Rudra Solar Dryer?

As Standard Scope Of Supply Food Grade Aluminium Metal Or On Special Request As Per The Customer Demand SS 304 Trays Can Be Available On Extra Cost. 


What Is The Size Of Each Tray Used In Rudra Solar Dryers:


All Tray Are Of Same Size 16”X32”X1”  And Interchangeable, Total Area Of One Tray Is 512 Sq Inch / 3.55 Sq Ft / 0.33 Sq Meter



Is There Any Installation Support Required In Rudra Solar Dryer?


No Rudra Solar Dryers Are Dispatched With Ready To Use Plug And Play Models Tested From Factory Only. You Have To Just Unbox It , Unpack It And Start Using In Just 10 Mins. In Some Models You Have To Simply Fix The Bottom Support Legs With Simple Nut And Bolts Fixing To Raise The Height If You Don’t Need That Height Then Also Dryers Are Ready To Use. You Have To Just Remove The Top Masking From The Poly Carbonate Sheets And Plugging Solar Panels And Switch On The Solar Fans The Dryers Are Ready.


What Is The Maintenance In Rudra Solar Dryer?


As Such There Is Nothing To Worry About Maintenance In Rudra Solar Dryers. As All Material Used Can Last Up To Minimum 10 Years. Only Some Brought Out Electronics Or Electrical Items Like DC Fans, DC Control Circuit, In Models With Electric Backup Heater The Electric Heater And AC Fans, May Have Problem In Future. This All Are Covered In One Year Standard Warrantee If It Is Failed During Warrantee Time We Will Ship It Via Courier And One Can Easily Replace That Old One Damaged With New One With Our Video Guidance And Without Any Technical Knowledge. In Case The Customer Don’t Have Technical Knowledge They Can Take Local Wireman Support Also.

After The Warrantee Terms The Material Can Be Delivered And Cost Will Be Charged And One Can Replace In Future Any Time. 

Remaining All Material Is Long Lasting.

The Poly Carbonate Sheet May Get Dull Over Period Of Time That Will Reduce The Efficiency Of The Dryer But Still It Will Work. That Sheet Also Can Be Ordered New One And One Can Easily Replace The Sheet In Future. 



How After Sales Support Available In Rudra Solar Dryer?


As such support not required in case with Rudra Solar Dryers As there is nothing to worry In performance as the dryer comes with company tested model. Also it comes in secure wooden packing and Soft armour packing also so no worries and transit damage, also there is not support require for installation as it comes plug and play ready to use model. You just need to have nuts and bolts fixing and unboxing the dryer the complete assembly can be started in 5 minutes. Also the maintenance part is also very less in Rudra solar dryer one can do without any technical support also.

How ever we are always ready to serve our customer our team will be always available to take call and will explain on video call or any online platform for your troubleshooting.


Where Can We See Rudra Solar Dryer Working? 

One can see any time working of Rudra Solar Dryer Live at his Dealer office or factory person can come any time with prior appointment and if they want to test some products they can come with product or we can arrange with prior intimation.


What If Rudra Solar Dryer Don't Work?

This will never ever happen that it cannot perform there is no rocket science in this technology if sunlight is clear fan are working the dryer will perform at it best.


What If We Found Rudra Solar Dryer Damaged During Transit? 


This will never ever happen as we pack it wisely and with lost of care and wooden packing also. Also we select the transport channel such that it do not damage during transit. After all in any case if its damaged The Company Rudra Solar Energy will be responsible for the same and will give Customer best possible solution.


What Is The Lead Time For Getting Rudra Solar Dryer After Order?


Generally, we have always full stock of all our solar dryer model we keep in ready to dispatch state once the order confirm and after all payment process we can ship in just 48 hours and it may reach to customer in 4 to 5 working days. The total lead time of transit may varies from location to location.


How Rudra Solar Dryer Shipped To Our Destination? 


After the order received the dryer will be packed as per the customer requirement it will be tested at Rudra solar energy factory situated in Ahmedabad, Gujarat, then it will be packed carefully with Soft armour and Bubble wrapping to prevent the shocks and then it will be packed with wooden packing if you have selected with wooden packing then it will be shipped via any standard logistics like Safexpress, Gati, VRL, V trans like on Door or Go dawn as requested by customer.


What Is The Covering Material Used In Rudra Solar Dryer?


Rudra Solar Dryer have specially selected Double UV layer Solid pure virgin Poly carbonate Sheet, which prevents the UV radiation going inside the dryer. Also, it will be unbreakable during transit. The total life cycle of the Top cover is 10 years, it may get dull over period of usages but it can be replaced in future at extra cost.



What Is The Average Capacity Of Tray In Rudra Solar Dryer? 


The average capacity means average of all commodity loading in tray as the dryers are not made separately for every commodity. Some products will have 6 kg loading in one tray and some will have 1 kg max. for example If we take ginger as whole in one tray it will occupy 5 to 6 kg and will take 4 days to dry and same way if we slice it thinner it will have only 2 to 2.5 kg loading in one tray and it will dry in one day

So we have set our average loading capacity 2.5 kg per tray for easy in calculation. Here the area of one tray is 3.5 sq ft some dryer manufacturer says that our dryer loading capacity is 4 kg they claim 1 kg per 1 sq feet. 


What Temperature Range Rudra Solar Dryer Achieve?


Rudra Solar Dryers Design To Work On Large Temperature Range, It Can Give 40 To 50 Deg Higher Temperature Compare To Environmental temperature Provided There Should Be Clear Sunny Days. Say With Ambient Temp 30 Deg cel You Can Achieve Max Temp Up To 80 Deg cel Also For That You Have To Manage The Fans To Get The Desired Temperature.


Can We Control The Temperature In Rudra Solar Dryer?


In Rudra Solar Dryers The Fans Selected Such That It Mainin The Temperature Required For Best Drying Result. How Ever In Some Models You Have Option To Switch On And Swithch Off The Fans To Control The Seasonal Varioon Of Temperatures In Dryer


Can Rudra Solar Dryer Works At Night Or When There Is No Sun?


No Any Solar Dryer Can Not Work At Night Or When There Is No Sun. How Ever The Model With Hybrid Other Heating Backup Source Can Work. We Have Our Solar + Electric Hybrid Solar Dryer That Can Work On Grid Power Supply When There Is No Sun.


What Capacity Rudra Solar Dryer Available In Market?


Average Loading Capacity Of The Rudra Solar Dryer May Differ From Commodity To Commodity, We Have Tray Wise Model Classification, 1, 2, 4, 8, 12, 18, And In Multiple Of That  In “Anant” Series With Average Loading Capacity 2.5 Kg Per Tray. And In “Bhaskar” Series We Have Standard Module Of Two Big Tray Which Is Having Average Loading Capacity 10 Kg Each.


What Is The Life Of Rudra Solar Dryer?


Rudra Solar Dryer Is Made With All High Quality Long Lasting Non Rusting Material You Can Use Without Any Trouble Up To 10 Years Or More Actually Whole Structure Life Is 20 Years. Only Failing Parts In Future Is The Top UV Sheet And The Fans May Have Problem In Future That You Can Easley Replace New One Any Time.


Why Fans Are Used In Rudra Solar Dryer?

As And When The Products heated In The Solar Dryer It Start Removing The Moisture From Its Surface To Remove That Moisture Out You Need Air Circulation. In Rudra Solar Dryers The Fans Are Used To Remove The Moisture Out From The Dryer Body.


How Fans Runs In Rudra Solar Dryer?

The Fans Used Are DC Powered It Runs By The Power Generated Using Solar Panel.


What Is The Function Of Solar Panel In Solar Dryer.?

In Rudra Solar Dryer The Function Of Solar Panel Is Just To Run The Fans. The Heating part Is Done BY Solar Radiation To thermal energy Conversion.


What Other Things You Can Do In Solar Dryer Other Than Drying?


In Rudra solar dryer you can do drying and roasting also as w ehave switch controlled fans that how to achieve the higher temperature for roasting or partial roasting is achieved in Rudra Solar Dryer will be guided in product manual.


How We Can Know The Material Is Dried Or Not? Is There Any Meter Available For The Same?


There is not any meter available or no one can perfectly say that the product is dried customer have to inspect and once you feel that product is dried that is the only sign. Other wise sample testing in food labs will let you know how much moisture left in product. And that testing of every sample is not possible.



 2019-06-20T10:01:40

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