E O cvj

Plan of the Glass-Roof Dryer, with Gas Heating installation under one Platform. Plan du S choir Toit-Vitr Montrant l'Installation du Syst me de Chauffage au Gaz sous l'une des Plateformes. SOLAR FRUIT AND VEGETABLE DRYER (U.S.A.) Status operational Heating mode mixed Type chanfaer dryer Air circulation natural This simple chamber type dryer operates in both the direct and indirect mode. It was designed to dry food for domestic needs as well as for a small size restaurant, etc. It was...

M2

Figure 2 - A widely used method for the construction of the drying racks for grapes. Frames Usually steel tubing and or wooden posts. Trays Wire netting The materials are made in Australia but not all in the immediate locality. Location of Dryers Throughout grapegrowing areas along the Murray River Valley of Australia, especially around Mildura. Latitude 34 12's Longitude 142 12'E Relative humidity (15 00 hours) (percent)

Notes Generales

(1) VEUILLEZ INCLURE AU MOINS UNE OU PLUSIEURS PHOTOGRAPHIES (7 X 12 cm) ILLUSTRANT AINSI LES CARACTERISTIQUES MAJEURES DE SECHOIR MENTIONNE. (2) VEUILLEZ INCLURE SCHEMAS ET PLANS DE CONSTRUCTION DU SECHOIR. CEUX CI DEVRAIENT ETRE EN NOIR ET BLANC ET ASSEZ NETS POUR LA REIMPRESSION (REPRODUCTION PAR PLAQUE) LE FORMAT DEVRAIT ETRE APPROXIMATIVEMENT DE 8i X 11 ou 21 cm x 28 xm. (3) SI POSSIBLE INCLURE UNE NOTICE DE MONTAGE (DESSINS A L'APPUI) POUR CHACUN DES SECHOIRS.

Studies

Status operational Heating mode natural Type tray-dryers and Air circulation natural air flow A number of natural and solar dryers, employing natural sundrying techniques, have been used for small and medium scale drying operations on Colombian farms for many years. The types of dryers described are utilized throughout the coffee producing regions of Colombia. Maize, beans and cocoa are also dried in these units. Their performance is studied with respect to the drying of coffee. Figure 1 - The...

Total

Cost of Drying Related to a Unit of Material Dried 0,02 U.S. Kg for peaches 0,03 U.S. Kg for grapes 0,09 U.S. Kg for dried peppers Estimated Life of the Dryer Approximately 10 years (1) To overcome the problem of slower drying time on the eastern end of the dryer and to uniformize the drying process, it was decided to rotate the dryer by 90 towards the west. This led to the improved orchard dehydrator of Figure 2. The authors reported that the performance was increased in most of the shelves by...

Conditions De Fonctionnement Duree Des Operations De Sechage

(A) LE PROTOTYPE EST-IL AU STADE EXPERIMENTAL OU DEJA OPERATIONNEL (B) COMBIEN D'UNITES ONT DEJA ETE UTILISEES (C) COMBIEN D'UNITES SONT ACTUELLEMENT EN OPERATION (D) QUEL SONT LES FACTEURS LIMITANT UNE UTILISATION PLUS VASTE DE CES SECHOIRS TECHNIQUES, ECONOMIQUES, SOCIAUX, COMMENTEZ BRIEVEMENT MATERIAUX UTILISES POUR LA CONSTRUCTION DU SECHOIR (PRIX DE L'UNITE) (E) SI UN SYSTEME DE CONVECTION DE RENFORT EST UTILISE t SPECIFIEZ LES DETAILS (F) VEUILLEZ DETERMINER SI LES MATERIAUX DE (A) a (E)...

Case Study

Status operational Type chamber dryer This simple dryer has been developed in Brazil and tested for the drying of local fruits, it is very simple to build and the performance reported makes it attractive for the needs of a small community. This small-scale solar dryer is essentially a wooden rectangular box covered by two layers of glass separated by an air gap. The bottom of the dryer is insulated with glass wool sandwiched between an underside plywood sheet and an innerside blackened metallic...

To Solar Drying

(A) FOOD TECHNOLOGICAL PRE- AND AFTER TREATMENTS OF THE DRYING PRODUCTS (CUTTING, BLANCHING, DIPPING, SULPHURING, SULPHITING ETC) (B) CLIMATOLOGICAL DATE OF THE LOCALITY, WHERE AND WHEN THE DRIERS OPERATE (SUNSHINE HOURS' TEMPERATURE' RELATIVE HUMIDITY OF THE AIR, LATITUDE ETC.) (1) PLEASE ENCLOSE AT LEAST ONE OR MORE GOOD QUALITY PHOTOGRAPHS (APPROXIMATELY 7 cm x 12 xm) , ILLUSTRATING THE PRINCIPAL FEATURES OF THE DRYER DESCRIBED. (2) PLEASE INCLUDE SKETCHES AND WORKING DRAWINGS OF THE DRYER....

Case Study I P

SOLAR HERB AND FLOWER DRYER UNITED STATES OF AMERICA Status operational Heating mode indirect Type chamber dryer Air circulation electric fan This solar dryer, shaped as a triangular box, was specifically designed for the drying of herbs and spices which should be dried at a temperature not exceeding 43 C. The dryer is suitable for the requirements of a small community. The dryer is triangularly shaped and its collector has a 40 slope, inside the dryer is a set of drying drawers. The total...

Info

Federaci n Nacional de Cafeteros de Colombia Centro Nacional de investigaciones de Caf CENICAFE Chinchina, caldas Colombia Figure 2a - Coffee drying carts. Each tray has a drying surface of 10 m2 Figure 2a - Coffee drying carts. Each tray has a drying surface of 10 m2 Figure 2b. This indicates the operation of the drying carts. Cette photo montre le fonctionnement des chariots de s chage pendant 1'op ration. Figure 2b. This indicates the operation of the drying carts. Cette photo montre le...

North

Plan of the Solar Timber Seasoning Kiln - Side View Transparent cover Outer sheeting 0,25 mm polyethylene sheet interior sheeting 0,05 mm polyethylene sheet Frames Wood frame superstructure consisting of 12,5 cm x 5 cm wall and roof studs placed at 0,90 m intervals. Insulation 50 mm air gap between the double polyethylene sheeting 9,5 mm plywood without air gap has been used for the North wall.