Download or read book The Art of Timber Drying with Solar Kilns written by G. S. Hall and published by . This book was released on 1981 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Drying Wood with a Solar Kiln Plans Included written by John Davidson and published by Mendon Cottage Books. This book was released on 2016-04-25 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: Table of Contents Introduction Benefits of Using Wood Drying of Wood Why is Wood Drying Necessary? Wood Drying Points and Categories Benefits of Wood Drying Process: Different Methods Used in the Wood Drying Process: Different Types of Kilns Used for Wood Drying: Solar Kiln: Conventional Kiln: Vacuum Kilns: Dehumidification Kiln: Solar Kiln Wood Drying and its Advantages: Key Features of a Solar Kiln: The Mechanism of the Solar Kiln Wood Drying: Important Indicators Used in the Solar Kiln for Wood Drying: Moisture Reading: Moisture Meter: Appropriate MC Level: Types of Solar Kiln Designs: The Greenhouse Design: The Semi-Greenhouse Design: The Opaque Wall Design: How to Build a Solar Kiln for Wood Drying Selection of the kiln design: Building the Solar Kiln: Assembling the Solar Kiln: Important Considerations While Building the Solar Kiln: The Storage: The Circulation System: The Ventilation System: The Glazing Material used: Insulation of the Walls: Size of the Collector: Plans for Building a Solar Kiln Conclusion: Author Bio Publisher Introduction Among the thousands of natural resources present in the world, wood is one of the most popular ones. It was not until the turn of the previous century that the human dependence on wood was higher than any other sources of energy. It was considered to be a one of the wonders of nature that was created to provide comfort and support to the humanly civilized way of living. Although there is no historical confirmation about the first use of wood by humans, still it dates back to a very long period of time when it was a major lifestyle resource for our ancestors from the ancient times. Wood was utilized not just as a source of heating or drawing energy, but also as a material for making tools, household furniture, sheltering objects, transporting objects, decorative purposes, culinary items and cutlery, and a large number of other items that one can only imagine. As per historians, wood was the original material used in most of the first time scientific inventions. To date, wood is a very important part of human living. Life without wood can be very difficult and expensive.
Download or read book Improvements in Solar Dry Kiln Design written by Eugene M. Wengert and published by . This book was released on 1971 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in solar drying of lumber has increased in recent years because previous results had indicated that: Drying times are shorter and final moisture contents are lower in solar drying than in air drying; much less lumber degrade occurs in solar drying when compared to air drying; and the cost of energy is less in solar drying than in kiln drying. Work in the field of solar drying has reached the point at which dryer designs are being modified or need to be modified to provide more efficient dryers. In order that these modifications can be made intelligently, it is necessary to identify the weak areas (such as excessive solar reflectance from the walls) in the present dryer designs. The objective of this study was to identify the major energy losses in the solar dryer at Colorado State University, and then to suggest various design changes, based on theoretical considerations, to reduce these losses to leave more energy for the primary task of drying wood.
Download or read book Drying Hardwood Lumber written by Joseph Denig and published by . This book was released on 2000 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Drying Hardwood Lumber focuses on common methods for drying lumber of different thickness, with minimal drying defects, for high quality applications. This manual also includes predrying treatments that, when part of an overall quality-oriented drying system, reduce defects and improve drying quality, especially of oak lumber. Special attention is given to drying white wood, such as hard maple and ash, without sticker shadow or other discoloration. Several special drying methods, such as solar drying, are described, and proper techniques for storing dried lumber are discussed. Suggestions are provided for ways to economize on drying costs by reducing drying time and energy demands when feasible. Each chapter is accompanied by a list of references. Some references are cited in the chapter; others are listed as additional sources of information.
Download or read book Design and Construction of Solar Kiln for Lumber Drying written by Awam Joel and published by GRIN Verlag. This book was released on 2019-06-18 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: Academic Paper from the year 2015 in the subject Engineering - Chemical Engineering, , language: English, abstract: This research aims to design and fabricate a solar kiln dryer that uses a solar panel to trap the sun’s rich energy and also the design of an inverter that converts the direct current of the sun to an alternative current that will charge the battery and power heater element for drying. The principal mode of heat transfer is convection. The temperature of the incoming stream of air is raised by the heating element, a circular motion fan drives the heated air uniformly through the heating chamber, in this way heat is convectively transferred from the hot air to the cold air. Wood is a hygroscopic material which gains moisture content as a result of changes in humidity. Hygroscopicity is one of the most distinctive properties of wood. Any kind of wood product absorbs and desorbs moisture from the surrounding air until it reaches equilibrium moisture content (EMC), a balance point between the wood’s moisture content and that of the surrounding environment. Fresh cut lumber contains a great deal of water. If the water is not removed, the lumber can’t be used to produce a high quality finished product. Properly dried lumber sells for a higher price and is much easier to work with than lumber that have not been dried. When lumber is well dried it machines better, glues better, and finishes better. Drying also improves the strength of the lumber, kills infestations, hardens pitch, preserves colour, reduces weight and controls shrinkage. Lumber that is not dried under controlled conditions is prone to warping, staining, and other degradations that diminishes its selling price and workability.
Download or read book FPL Design for Lumber Dry Kiln Using Solar wood Energy in Tropical Latitudes written by John L. Tschernitz and published by . This book was released on 1985 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Developing countries with a timber resource that can be manufactured into finished products either for local use or export often lack the capital to build high-cost dry kilns. Many of these countries are in the tropics where solar radiation and ambient temperatures are high. The low-cost solar/wood energy lumber dry kiln described in this report was designed and tested by the Forest Products Laboratory (FPL) for such countries where solar dry kilns can be built and operated at low cost. The FPL design is for a 6,000-fbm capacity kiln having an insulated drying compartment, an external horizontal solar collector, and a furnace room containing a wood burner. Capacities larger or smaller than 6,000 fbm are also possible. This design allows collector and wood burner sizing to match the energy demands of the dryer. The design also incorporates low-cost controls that allow unattended drying when operated as a solar-only dryer. Manual firing is necessary when the wood-burning system is supplying the energy. This kiln design is the final, commercial-size version established after years of testing several 1,000-fbm capacity prototypes. In December 1984 a kiln of this design was built in Sri Lanka at a factory that manufactures furniture and laminated beams from rubber and coconut wood.
Download or read book Solar Heated Timber Drying Kilns written by R. A. Plumptre and published by . This book was released on 1996 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vacuum Kiln Drying for Woodworkers written by Joshua Salesin and published by . This book was released on 2008-05-22 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: Want to dry wood faster?Without defects or damage?Start your woodworking project in a few days instead of waiting months or years for your wood to dry! Whether you make furniture, carvings, inlays, turnings, or other wood art and craft, this book will show you how to assemble and use your own vacuum kiln for quickly drying small batches of wood. You will learn -* about the nature of wood * how vacuum kiln drying works* why vacuum kiln drying works* how to quickly and inexpensively build a vacuum kiln chamber* proven techniques for quickly drying wood with a vacuum kiln Make your projects faster -No more waiting for months "watching wood dry" before you can use it!Make your projects better -No more unexpected warping or cracking after you finish your piece. Boxes will keep a perfect fit and segmented projects will stay glued-up!
Download or read book Solar Industrial Process Heat for Kiln Drying Lumber written by S. James Robertson and published by . This book was released on 1977 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Art of Kiln Drying Lumber written by Harry D. Tiemann and published by . This book was released on 1920 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Kiln Drying of Lumber written by Harry Donald Tiemann and published by . This book was released on 1917 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Solar Lumber Kilns written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A solar kiln and its advantages are described. Drying fundamentals, design factors, and economics are discussed. Three operating solar kilns are described.
Download or read book Solar Kiln Drying of Wood written by D. E. Steinmann and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Kiln Drying of Lumber written by R.B. Keey and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: At present, no single book adequately covers a basic understanding of wood book satisfies the need for such a work. It describes drying in practice. This the fundamental basis of kiln-drying technology, to enable forest companies to imFrove their drying operations as high-quality timbers become scarcer and of yesteryear can no longer be tolerated. Adaptive the wasteful practices is no longer good enough. Innovations change based on past experience of the material being dried and the processes require a sound understanding of drying. Newer techniques, such as the use of ultrahigh temperature sea soning and superheated steam under vacuum, require an even greater depth of physical understanding for these methods to be used effectively and economically. book provides a description of modern ideas about wood structure, This moisture movement and stress development, from which models of the drying process are developed to give the kiln operator important information about the course of drying under specified conditions, and thus a means is compared with practice wherever for rational process improvement. Theory possible.
Download or read book Drying Eastern Hardwood Lumber written by John M. McMillen and published by . This book was released on 1978 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Kiln Drying of Lumber written by Harry Donald Tiemann and published by . This book was released on 2015-07-27 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Kiln Drying of Lumber: A Practical and Theoretical Treatise Wood which has been bent in iron forms should not be steamed again after the forms have been removed, but the drying should be started at once at a humidity less than saturation. Bent wood is in a peculiar condition due to the internal stresses introduced in the bending, and if steamed again after it has become "set" the fibers will soften up to such an extent that the wood will warp out of shape or even rupture on the tension side. This caution applies particularly to heavy pieces, such as bent oak wagon rims. When bent wood, after it is dry, is steamed, it will tend to resume its original form with considerable force. Bent wood should therefore not be steamed for removal of casehardening. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book Timber Drying Manual written by G. H. Pratt and published by . This book was released on 1986 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: A concise, illustrated guide to the principles of good drying, and a comprehensive reference source to the drying properties of commercially-available hardwoods and softwoods.
