This article describes an inexpensive fridge that is 10 to 20 times more energy efficient than an average fridge on the market. Nov 02, 2019 how to make a pot in a pot refrigerator. Two vendors of vegetables with a clay pot cooler at the market in ouahigouya. One of the solutions that ive heard over and over and over again is the zeer pot. It consists of two earthenware pots of different sizes, placed.
Id read about potinpot fridges, also known as zeer pots, which seemed much simpler and more effective so i decided to give that a whirl. This process reduces the temperature in the smaller pot by several degrees, depending on the outside temperature and humidity. Upscale zeer for urban kitchens is a cool idea treehugger. The zeer pot is a simple fridge made of local materials. A potinpot refrigerator will cool food down by evaporative cooling. This diy project uses a red clay pot and sand to cool the contents inside from evaporation. The potinpot refrigerator, also known as a zeer in arabic, is a food cooling device.
Zeer pots fridges that dont need electricity green. Online article pdf files in germanenglishfrench are also linked. Zeer pot experimentation engineering world health dukewiki. Potinpot refrigerator simple english wikipedia, the. Shelf of common produce with zeer pot refrigerator. It can extend the useful life of fruits and vegetables. Clay pot cooler information on construction and usage pdf. If you dont already know, a zeer pot is a type of evaporative refrigerator. Then, place food items into the inner pot, and cover with a lid or damp cloth. Zeer the electricityfree refrigerator wordlesstech. You only need to ensure the pot in pot refrigerator is kept in a dry, wellventilated space. Oct 28, 20 you dont need electricity to cool food or medicine with a zeer pot. The zeer pot can help keep produce fresh for up to 20 days.
At carlton services, our team of expert engineers specialise in keeping your refrigerators in full working order all year round. Adam from if you dont already know, a zeer pot is a type of evaporative refrigerator. The ees model, cad file, and printable pdf documents are available in additional documents. Busting myths about the zeer pot rebuilding civilization. The zeer pot was invented by mohammed bah abba in 1995, to address a huge need for a cheap way to cool food in poorer areas of africa and places without mains grid electricity.
I actually found out about the yakhchals a few years ago from searching about systems related to zeer pots, while this one is a bit small looking thats mainly because i dont have much skill with drawing though i am curious how small you can make one i would likely make this example full size or larger. As the moisture in the sand evaporates, it draws heat away from the inner pot, cooling its contents. The evaporation of the outer liquid draws heat from the inner pot. The technology was perfected in nigeria by mohammed bah abba, between 19951997. A practical zeer pot evaporative cooler nonelectrical. The unique 10 is the perfect midsized propane fridge. Experimental study of alternatives to sand in zeer pot refrigeration technique article pdf available may 2015 with 2,617 reads how we measure reads. The design and optimization of conventional potinpot refrigeration has been cited. Potinpot refrigerator, evaporative cooling, porous pot, fins, filler. It uses evaporative cooling process where the moisture in the sand surrounding the inner pot evaporates and this ultimately cools down the interior of the pot. A zeer pot is a container made of materials that are specially chosen to take advantage of evaporative cooling. How to preserve and keep food fresh using a zeer pot clay. Refrigeration is a big challenge when living off grid. A pot in pot refrigerator will cool food down by evaporative cooling.
As the purpose of the library is to store models and gather their creative designers in one place, we came up with the. Make an electricityfree zeer pot fridge to keep your. The zeer pot, please dont recommend that i use one. The key to a healthy lifestyle involves surrounding yourself with healthy food and eliminating the temptation to eat junk. The ees file is available for download in additional documents. Intelligent refrigerator with monitoring capability through internet g.
Find owners guides and pdf support documentation for blenders, coffee makers, juicers and more. Figure 1 is a graphical representation of the water and energy flow within a zeer refrigerator. There was the infamous flower pottealightheater that did the social media rounds not too long ago. Shelflife with and without zeer pot refrigerator 2 zeer pot construction a zeer is constructed by placing a smaller clay pot into a larger clay pot. It needs no electricity it is made by putting a clay pot inside a larger clay pot with wet sand in between the pots and a wet cloth on top. There was the infamous flower pot tealightheater that did the social media rounds not too long ago. Download quality fridge products free, including brand specific bim content. It also demonstrates that the biggest limitations are our habits and mediocre attitudes, not. Well also go over how to do the same thing without pots. Pdf experimental study of alternatives to sand in zeer.
After about two hours, the pots had reached roughly equilibrated to the ambient temperature. A potinpot refrigerator, clay pot cooler or zeer arabic. Internet refrigerator a typical internet of things iot. Jan 22, 20 an evaporative cooler, also known as a zeer pot, is an ancient device that provides refrigeration for food and drinks when the temperature outside is blazing. When put to the test, i found it to be capable of adequately heating any room, as long as it was a small, wellinsulated rabbit hutch. Potinpot clay refrigerator or zeer is a low cost traditional technology that can provide cooling refrigeration without electricity.
Thanuja t c vlsi design and embedded systems, vtu, belgaum abstractintelligent appliances with multimedia capability have. May 08, 2016 one easy solution would be to build a pot in pot refrigerator. Free kitchen appliance user manuals, instructions, and product support information. The odd curves in the large zeer pots trace are due to the temperature probe falling over, being readjusted, and then falling again down again. This is not a new idea, apparently it has been around since ancient egyptian times going as far back as 2500 bc. Clay pot cooler cooling food without electricity peter rinker. Zeer pot clay fridge preserving food in sudan practical answers. Thus it was with a pinch or five of skepticism that i embarked on the zeer fridge. The collective years of hvac experience and the knowledge our forum members share make this an invaluable resource for those in the hvac industry. A practical zeer pot evaporative cooler nonelectrical refrigerator. An evaporative cooler, also known as a zeer pot, is an ancient device that provides refrigeration for food and drinks when the temperature outside is.
This document has been produced based on the experience of movement verein. How to build a pot in pot clay refrigerator or zeer. This document has been produced based on the experience of movement verein working. A charcoal cooler uses the principal of evaporative cooling to maintain a cool interior temperature for. A zeer pot is an evaporative cooler used in rural africa and the middle east to keep vegetables fresh. Pdf mechanistic modeling of water replenishment rate of zeer. Mobah rural horizons, producer of the potinpot products which is widely termed as the fridge for the poor is. I am against using electricity for either heating or cooling, so i am always. How to build a pot in pot clay refrigerator or zeer afropedea. Im adding to the discussion that the zeer pot is used mainly for vegetables the first time i saw them, as in being used in africa, they were used so the women didnt have to go to market every day.
Experimental study of alternatives to sand in zeer pot refrigeration technique. We get this question so much at the market that we felt wed better post the instructions here. Making a pot in a pot refrigerator the sustainability box. Oct 22, 2009 one ingenious solution is the zeer pot. Im actually kind of tired of hearing that i should use one.
You only need to ensure the potinpot refrigerator is kept in a dry, wellventilated space. One of the design is the popular pot in pot or zeer pot design and the second design is one in which an upper chamber is integrated with pot to store water required for evaporation, thereby eliminating the effect of. Im gonna go over the basics of what zeer pots are and how they work so you can make one yourself. Find professional kitchenware 3d models for any 3d design projects like virtual reality vr. Jan 24, 2009 id read about potinpot fridges, also known as zeer pots, which seemed much simpler and more effective so i decided to give that a whirl. This article describes an inexpensive fridge that is 10 to 20 times.
Available in many file formats including max, obj, fbx, 3ds, stl, c4d, blend, ma, mb. Find professional kitchenware 3d models for any 3d design projects like virtual reality vr, augmented reality ar, games, 3d visualization or animation. A model for predicting the water replenishment rate of zeer pot refrigerator was developed in this study using mechanistic modeling approach and evaluated at obowo, imo state, nigeria using six. They consist of two terra cotta pots, one nested inside the other, with the gap. Zeer the electricityfree refrigerator one exceptional and simple solution, called zeer, for a longterm storage of food where there is no electricity, is to build your own pot in pot fridge, by using basic pots, sand and water. Manual shows step by step a simple technology for sweets, juices,dry food.
Two clay pots are nested with a relatively thin layer of sand between them. Pdf experimental study of alternatives to sand in zeer pot. Potinpot refrigerator simple english wikipedia, the free. Upscale zeer for urban kitchens is a cool idea there is all kinds of free cold air outside the house, but we have a fridge running, expensively moving heat from inside the box to the kitchen. Remote locations and tailgate services may be subject to additional shipping fees. The pots are then covered with a damp cloth, which allows for the water in the sand to evaporate towards the outer surface of the larger pot. One simple solution is to build your own potinpot fridge, using basic pots, sand and water. They consist of two terra cotta pots, one nested inside the other, with the gap between them filled with wet sand. One solution to this challenge is the zeer pot a very clever fridge made using clay, water and sand. May 22, 2009 welcome to hvacproforums, an interactive community exclusively for hvac professionals. Pdf a model for predicting the water replenishment rate of zeer pot refrigerator was developed in this study using mechanistic modeling approach and. You dont need electricity to cool food or medicine with a zeer pot. Nov 02, 2014 a zeer pot is an evaporative cooler used in rural africa and the middle east to keep vegetables fresh. Spinach for example that would normally spoil in a day can now last 12 days.
A refrigerator is a heat engine operated in reverse, more or less. Sand is placed between the interior of the large pot and the exterior surface of the small pot. By creating a lower air pressure it could cool the food and such via evaporation easier. I have yet to read about the pots being used for meat. As a result, lisa and i make sure to keep junk food to a minimum in the fridge. Thanuja t c vlsi design and embedded systems, vtu, belgaum abstractintelligent appliances with multimedia capability have been emerging into our daily life. The grabcad library offers millions of free cad designs, cad files, and 3d models. See the attachments tab for the loggerpro file of the data. Make an electricityfree zeer pot fridge to keep your drinks. The potinpot refrigerators we built at the workshop in malaysia did not work. Fridge for the poor 5 market and location context the administrative headquarters of mobah rural horizons, producer of the pot in pot products which is widely termed as the fridge for the poor or desert refrigerators is based in kano, a. It is a device that keeps being rediscovered even though various versions of the device have been used for thousands of years. Join the grabcad community today to gain access and download.
With frozen poi, you cannot just thaw it and mix with water like fresh poiitll stay lumpy, no matter how hard you mix it. Im curious about the apliation of using a solar heated chiminy to heat the lower bit while drawing moisture of of the fridge like a yakital thing. How to build a pot in pot clay refrigerator or zeer pot in pot clay refrigerator or zeer is a low cost traditional technology that can provide cooling refrigeration without electricity. In our previous articles, weve looked at how refrigerators are recycled, top tips to keep them running efficiently and how they work. It uses a porous outer clay pot lined with wet sand containing an inner pot which can be glazed to prevent penetration by the liquid within which the food is placed. A smart fridge with an ability to enhance health and enable better nutrition. A zeer pot can keep 10 kilograms of food fresh for up to 20 days for decoration purposes only the stand helps with the cooling process diagram of a completed zeer pot on stand with sand filling view from above view from the side making a zeer pot fridge technology dimensions of the inner pot dimensions of the outer pot sand will fill this space. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Additional information on evaporative cooling technologies can be accessed here.
One easy solution would be to build a pot in pot refrigerator. Unique 10 cuft propane fridge with freezer stainless steel. Page 2 without following this procedure, the repair personnel centre by consulting the telephone directory under will have to charge you more for the repair. Empty the tray if its full, you may not be able to remove it. As the water evaporates it cools the inside, letting food stored in the inner pot to be kept fresh for some time. Of the fridge is qc, while the electrical energy supplied from the wall outlet is w. To say a few words to those who are not familiar with the rules of the contest, it featured the opening of the zortrax model library, an integral part of the zsuite software.
Step by step instructions on how to make a pot in pot a. By tom chalko, mt best, australia, there is no mistake in the title. Zeer the electricityfree refrigerator one exceptional and simple solution, called zeer, for a longterm storage of food where there is no electricity, is to build your own potin. The goods you buy from this site will be purchased from ao retail limited. One of the design is the popular potinpot or zeer pot design and the second design is one in which an upper chamber is integrated with pot to store water required for. Intelligent refrigerator with monitoring capability. In a community or situation without electricity, storage of food longterm can be tricky. Smart refrigerator using internet of things prapulla s b dept. Using simple pots, water and sand together, this type of refrigerator is currently being used by tonnes of farmers in warmer climates who have the need to keep their food for a long time while keeping the insect away.
These jars exist even today and are called zeer, hence the name of the pot cooler. International journal of multimedia and ubiquitous engineering. Busting myths about the zeer pot zeer pot example image credit. One simple solution is to build your own pot in pot fridge, using basic pots, sand and water. Its the pipes that lead to the tray that may need cleaning. How to preserve and keep food fresh using a zeer pot clay fridge. Zeer pot is a simple fridge made of local materials consisting of one earthenware pot set inside another. Welcome to hvacproforums, an interactive community exclusively for hvac professionals.
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