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cardboard shipping boxes How to Make and Use a Solar Oven | Box Cooker Plans and Recipes

by:Mengsheng     2020-04-14
cardboard shipping boxes How to Make and Use a Solar Oven | Box Cooker Plans and Recipes
What is the solar oven?A solar oven, sometimes called a solar cooker, is a device that allows you to cook food with solar energy as fuel.The most common solar cooker is a curved surface concentrator (also known as a parabolic cooker), a panel cooker, and a box cooker.The curved concentrator is like a mirror satellite antenna.
They cook at high temperatures but need to be adjusted frequently.The panel cooker combines elements of a curved concentrator with a box cooker.Homemade solar ovens are designed from simple, inexpensive, one-hour cookers to complex systems that can be cooked at higher temperatures.
A simple panel cooker is designed to cook food using a car parasol reflective device to focus the sun on a black surface.Solar box cookers reflect heat and collect it into a box where multiple cookers can be placed.This article will show you how to make simple lunch boxes using common household items.
Is it really possible to cook with the sun?Yes!With some simple adjustments, almost any recipe can be cooked in a solar oven.This article will show you how to make, use and enjoy the solar oven.Includes an easy-to-follow solar oven construction plan that can be built in a single day with simple materials.
In the process, I will provide some tips to make the process easier and your oven more efficient.Include the solar cooking recipe link so you can start enjoying the benefits of using a solar oven right away.Photo source: SelfieSufficient-Blog.How does the solar cooker work?First, heat must be collected.
Sunlight is fuel.
In order to use the sun, the sun must be collected and converted into thermal energy.The dark surface becomes very hot in the sun, so it is recommended to cook in a black shallow pot with a tight lid to keep the heat and moisture.Next, heat must be kept.There is a transparent hot trap around the dark jar that can keep the heat in the sun.
Packaging types include transparent, heatingOven Bag, glass bowl, clear plastic or window glass.Finally, heat is increased and concentrated.The shiny surface can reflect more sunlight onto the pan, increasing the possibility of heating.
Photo credit: actually out of the grid.
What are the benefits of solar cooking?There has been a rise in interest in solar cooking, which is for good reason!There are many benefits to solar cooking.Solar Cooking saves fuel and environmental protection.It uses the power of the Sun, a free renewable resource.
Solar Cooking saves fuel and electricity bills.Keep your kitchen cool on hot days!Slow cooking in a solar oven can maintain moisture, flavor and important nutrients.Scientific evidence suggests that foods cooked at medium temperatures may be healthier.
Solar cooking is easy.
The solar oven does not burn food and therefore does not require regular or continuous stirring.The food was almost unattended.The pot used for cooking in a solar oven is easy to clean and does not cause spots or sticky cooking oil film to burn due to high temperature cooking.There is no risk of smoke, fire, or cancer-causing burning of food.
The danger is very small for the children.Solar cooking is versatile and easy to carry. it is suitable for camping.The solar oven does not depend on electricity or gas.
Solar cooking is a skill that everyone should know about emergency food cooking and water and milk pasteurization.What can I do with a solar oven?Almost everything!Fruits, vegetables, meat, cereals, even bread and desserts!The solar oven functions like a slow cooker, so it is able to cook barbecue, casserole, soup and other things that are usually prepared with a can pot.It can dehydrate foods such as fruits, herbs and meat.
It also works like a traditional oven, allowing you to toast, cake and cookies.Rice, beans and even pasta can be made in a solar oven, although they are cooked longer than they are placed on the stove.The solar cooker is not hot enough to cook the liquid and stirFried, grilled or grilled pancakes and other flat bread.
However, water can be pre-orderedHeat in the solar oven so it can boil quickly on the stoveAt the top, foods such as cooked pasta and rice can be prepared in a solar oven at a lower temperature.The meat can be scorched or scorched on the stove, cooked in a solar oven, and the result will be tender and juicy..Photography: Knowledge Publishing.Does solar power cook for you?-Solar cooking can be a great way to cook if you can answer the following question "yes.
In the months of the year, are you mostly sunny?Do you have a sunny space out there that can be protected from wind and interference?Would you like to try and learn different ways of cooking?What do you think?When is the best time to use a solar oven?Whenever your shadow length on the ground is shorter than your height, the sun is high enough to cook.From 10: 00 in the morning to 2: 00 in the afternoon, the Sun is the strongest, and this is the best solar cooking time.However, in order to start heating, the solar oven can be placed in the sun in the early morning and a well can be installedThe insulated hot oven will cook for an hour or two before 2: 00.
The angle at which the sun moves in the sky affects the temperature of the solar stove.In summer, the Sun has the highest angle, but in many places solar cooking can be done most of the year.How long does food take to cook in a solar oven?In general, you need to add an hour to the traditional cooking time.
.The cooking time provided in the publication is similar, as solar cooking is not as uniform as traditional cooking.Time of year: cooking time in winter is longer than in spring and autumn, and cooking time in summer is the shortest.Amount of sun: Cloudy days take longer cooking time than sunny days.
Air volume: the wind dissipate heat, which causes the oven to cool and takes longer cooking time.Type of pot: Large pot is longer than small pot heating time.Compared to the pot made of thinner material, the heat insulation pot is heated for a longer period of time.
The black pan heats faster and hotter than the lightColorful or shiny reflective flowerpots.Amount of food: it takes longer for a large amount of food to be heated and cooked compared to a small amount of food.Water quantity: it takes a long time to add hot water to the solar oven.
Plenty of water means longer cooking time.In general, solar cooking requires less water than a stovetop cooking.Orientation of the cooker: a cooker that moves regularly throughout the day to follow the sun will cook faster than a cooker that does not directly face the sun.
Under normal conditions, the solar oven will be cooked at a temperature of 80 °c.Fahrenheit.Food at 180-195Ãx82ºF.The temperature inside a simple solar stove is hot enough to cook food completely, but not too hot to burn or dry food, or to destroy healthy nutrients.Warning: Foods that are allowed to cool down to 4 hours or more between 50 to 25 °c should be discarded because if ingested, this can be harmful and can cause bacterial food poisoning.
Throw it out if you have any questions.
Photography: SolarCooking.
Useful places on the InternetThese are the places we like online.If you have a relevant web page that you would like to post here, please send us a message that includes the link.Please add a link to this shot on your page.
There is not a large number of solar oven recipe websites online.But there are some good books about the subject.Amazon offers free super savings shipping for $25 or more eligible orders.
The basic design of our cooker includes two boxes of different sizes, one cover, one black oven liner, reflective material (foil) insulation and glass lens (or clear oven bag ).Non-Amazon's price in solar oven supply is higher than what I found at a local retail store.Eligible orders for $25 or more are free, so I usually stock up on the items I need.
You need two boxes to form the main body of the oven.A box should be a few inches smaller than the other box so that it can be placed in a larger box with space to keep it warm.There are 6-6 boxes on Amazonpacks.Get together with a few friends to make supply costs more economical.
You can also make the lid with a larger box.Aluminum foil will be a little more expensive if you go through pre-packagingBut they made the project easier.Choose the two boxes that will be the main body of the solar oven.
These boxes don't need to be brand new.
The recycled moving or shipping box is a great oven.They can be square or rectangular as long as the shape of the box is similar.You need a small box of about 14-16 \ "this will be the inner box of your oven in length and depth.
It should be big enough to hold the pot you want to cook but not too big and it takes a long time to heat.Seal the bottom of the small box.You also need a bigger box, about 18 \"-20 \ "this will be the outside of your oven in length and depth.Fold the top flaps down and close them firmly.
Do not close the bottom flaps at this time.In addition, large pieces of cardboard (or a third box) are required to form the lid ).It should be a few inches larger than the opening end of your big box so that the lid can be placed on top of the big box.
At this point, you can paint the large box and cardboard with black paint.Alternatively, you can wait until the project is finished before painting the exterior.Apartment selection, nonToxic paint for this project.
Most water-Non-base paintIt's poisonous when it's dry.Place the small box on the top of the tape end of the large box and draw a line around it.Along this wire cut, a hole of the same size as a small box is formed on the top of the large box.
Be sure to cut the outer and inner flaps.
Photo credit: all black and white drawings are the property of SolarCooking.There is a small circle left.Tape the residual part of the inner flap onto the outer flap.Press the tape with your hand and stick it firmly to the box.
Save the pieces you cut for the drip tray and the extra foil panel.Instructions for making these items will be explained later in step 4.If you make a lid with a box instead of cardboard, open the box at the seams and put it flat.
If this piece of cardboard is much larger than the cover you need, place the big box on the top of the cardboard, draw a line around the box with a straight edge, about 3 inch from each edge of the box.You now draw a square or rectangle on the cardboard, 6 inch longer than the large box and 6 inch wider.This will allow your cover to have a lip that extends to the edge of the box.
Line cutting along the lines you draw.
This is your new cover.
Place the big box on the lid and follow it around with dotted lines.These will be folding lines.Extend the line to the edge of the cover part.After you make the window cover, you fold the edge of the box.
Tip: When drawing this line, make sure your pencil stays outside the perimeter of the box and is not drawn under the edge of the box, otherwise your lid will be too small.To make window flaps, place the small box between the folding lines you just drew.Draw around the box, use solid lines on three sides, and use dotted lines on a longer side.
Wire cutting along three solid lines with a knife.Fold the resulting flaps up on the dotted line.You now have a mirror and a window frame.With the lid upside down, make a small cut in each corner, right at the fold of the first line.
Let your cut parallel to each other.
Mark all the folding lines with the tip of the knife, only through the top layer of the cardboard.Fold the edges up along the score line.Overlap and glue the corners and hold them with tape or clothes until the glue is dry.Put 1 portion of water into the bowl with 3 portions of glue, stir well and prepare the adhesive.
This is not an exact recipe, so please adjust the quantity according to your preference.When the white glue is diluted with water, the white glue is easier to apply on the foil, and the water also gives you more time to adjust the foil before the glue dries.Book some fullStrong glue for later application.
Cut foil or pull a few preCut the sheets out of the box.Apply glue on the back (DIM) of a piece of aluminum foil with a brush or sponge and apply it to the inside of one of the boxes, with the shiny side facing out.Repeat the process until the interior of the two boxes is completely covered with overlapping foil.
Be sure to cover the box seams with foil to seal the air and heat to escape any area of the box.To save glue and time, you don't need to completely cover the back of the foil with glue.Instead, apply glue around the edges, just like a photo frame, and apply a large "x" in the middle of the foil ".
The edge is the most important area covered with glue in the foil, so that the foil does not peel or tear as it is used.Keep in mind that the inside of the big box does not show and will not wear out, so it does not need to have as much attention to detail as the small box needs.Make sure that all edges of the foil in the smaller box are flat and firmly bonded together so that the foil does not tear due to use.
To strengthen the inside of the box, you can fix the edge of the aluminum foil with clear packing tape or foil tape.Use aluminum foil to cover the reserved cardboard you cut from the big box when making the window.The largest piece will serve as a drip tray at the bottom of the solar oven.
If necessary, cut the part into a shape suitable for the bottom of the small box.If you don't have a piece large enough to cover the bottom of the small box, cut a piece out of the excess cardboard on the lid, or tape several smaller pieces together, form a larger part.In step 6, the smaller part will be used as an insulating material for the oven.
The last item covered with foil is the lid cover.Align the bottom of the flap with foil (facing down the side of the oven.) This flip cover will serve as a mirror to direct more sunlight into the oven.
This photo looks at the cover part from the bottom and closes the reflector flap.Trim the lid flap of the small box to 1 inch.These flaps will be used to attach small boxes to large boxes, so do not cut them off anywhere smaller than inches.
Turn the large (outer) box to make the window open down.Spread full-Strong glue inside the window frame.Pour the small (inner) box over and put it in the larger box and put it on the glue.
Make sure it is centered so that the window of the large outer box is directly on the opening of the small inner box.Press the small box tightly around the edge of the window opening and connect the two boxes.Press on the small box, or put a heavy object on it and press it firmly until the glue dries.
Put the small foil in.
Cover the cardboard to the blank space between the boxes and fill the blank space with chopped or crumpled paper.Don't wrap the paper tightly on the side of the box, because the air in the space will be insulated.Put a few crumpled sheets of paper at the bottom of the small box.
Here you should wrap the insulation tightly to support the weight of the food placed in the box.Close the box and tape it safely.Turn the oven right.side-up.Use aluminum foil tape to fix the connection between smaller, larger boxes.Pay special attention to any gaps, especially those in the corners, and seal them completely with tape.
Note: do not replace foil tape with tape.
The tape will fall off the box at high temperature.The foil tape is made to withstand extreme temperatures, and when the oven is heated, it is firmly secured.Turn the lid over.Put down and secure the oven bag in place using foil tape to cover the window opening.
Use bags of large size or Turkey size.
Cut the bag and spread it out.
If you prefer to use the bag without opening it, there will be a layer of double-layer plastic in your window for additional insulation.When the oven is heated in the sun, the air between the two layers expands to form a hot layer that helps prevent heat from being discharged from the box through the window.When using doubleThe layering method, it is important to first close the opening end of the bag, and then wrap it all the way around the edge of the bag with tape, fixing it on the lid.
Press the tape hard to eliminate any wrinkles.This will prevent water vapor from entering the bag and condensing, forming a film on the bag, blocking sunlight from entering the oven.Alternatively, you can open the bag and form a flat sheet covering the window of the oven.
Whether to use double-Layer or singleA layer of windows, tighten the bag to remove wrinkles as much as possible.The bags deteriorate over time and need to be replaced occasionally.The oven bag can be replaced with a clear plastic cloth or window glass.
However, do not use any material that has been treated with UV protection, otherwise it will prevent sunlight from entering the box.Therefore, file quality glass or plastic is not recommended for this project.Cut down two pieces of waste cardboard, each about 3 inch in length, forming two hooks.
Fold each piece in half and place a thick glue spot on the fold.Attach the paper plate to the back of the oven, one on each side, parallel to the edge of the reflector flap.Cut two 18 \ "long ropes and make a knot at each end.
Nail one end of each rope to the edge of the reflector flap, using two or three nails for the safety attachment.When the cardboard hook is completely dry, lift the reflector cover and wrap the end of the rope around the hook to keep the cover open.When using the oven, adjust the angle of the reflector flap so that it reflects the sun into the oven.
This angle will change with the angle of the sun.The rope allows you to move the flap and fix it at the right angle.If you haven't done that yet, use a non-Black paint, toxic.
Be careful when painting the lid so there is no paint on the oven bag.The cardboard tray is also painted black.Place the drip tray in the oven and lay flat on the bottom of the small box.Put the oven outside, turn on the mirror to the sun.
Leave the oven in the sun for a few hours and dry the glue thoroughly to disperse any paint smoke.Your oven is complete!Place the food in a dark pot, with dark, tightfitting lid.If you don't have a dark pot or lid, you can useYou paint the poisonous black paint in the oven.
There is plenty of sunshine to place the cooker on a horizontal surface.If you have a lazy Susan turntable, place the oven on the turntable for easy turn throughout the day.Turn the cooker so that it is slightly west-facing the current position of the sun.
Place the pot in the oven, face the front of the cooker with faster cooking items (opposite the reflector), and face the back with slower cooking items, where they receive the most direct sunlight.To improve the efficiency of the oven, place a shelf or brick at the bottom of the oven to enhance the cooker.This will reduce heat loss by conduction from the pan to the bottom of the oven.
Replace the lid and adjust the reflector cover so that the sun shines down into the oven.Turn the oven every few hours to make it slightly west-facing the current position of the sun.When the shadows cast by the oven are directly behind the food, the food is cooked the fastest.
According to the number of hours recommended by the recipe, place the cooker in the sun.Keep in mind that the cooking time is similar, so you need to check your food when the cooking time is nearing the end.Try not to remove the lid too often, however, as it allows heat to escape.
When the food is cooked in a solar oven, there is no need to stir the food.If you don't want to eat right away, close the lid and put it in the cooker..The oven keeps the food warm for hours.When the sun is low in the sky, tilt the oven forward and place a plate under the rear edge to face the lens directly towards the angle of the sun.
Periodically move the reflector flap to make sure it reflects the sun directly into the box.Add more reflector flaps on the lid, one on the opposite side of the existing flaps, or for maximum efficiency, add one on each side of the window.Carefully seal all the cracks and gaps to capture as much heat as possible inside the cooker.
Wrap the bottom of the cooker with a thick insulating material so that the inside box does not sink with the weight of your wok.Use only non-Manufacture and insulating toxic materials for cookware.Cook in a heavily covered black pan.If you don't have a black pot, use nontoxic paint.
Wipe the reflector and lens regularly so as not to prevent dust and dirt from blocking the sun from entering the oven.Necessities of solar cooking1.2.3.If you don't want to make a solar oven yourself or you want a stronger one, there are a few options online.These ovens are portable and cook at higher temperatures than homemade ovens, and user reviews are good.
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