Heat pump dryers theory design and industrial applications pdf

Posted on Tuesday, June 8, 2021 10:29:51 AM Posted by Teresa D. - 08.06.2021 and pdf, free pdf 4 Comments

heat pump dryers theory design and industrial applications pdf

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Performance Study of a Hybrid Heat Pump Dryer based on Numerical Analysis and Experimental Set-up

Seafood, especially sea cucumbers and oysters are an expensive delicacy in several Asian countries. Traditional sun-drying of these products takes 3 to 4 days and fetches a lower market price. Modern industrial drying machines used for seafood drying are unable to dry sea cucumbers and oysters without texture and color degradation as they are delicate, temperature-sensitive and have longer drying time. An economical drying system that does not cause texture or color degradation is the heat pump drying system and is commonly applied for agriculture and fabric drying. In this study, the heat pump technology is applied to develop two hybrid dryer models bottom discharge and front discharge to dry shellfish and sea cucumbers in large scale for storage and transportation.

A clothes dryer , also known as tumble dryer , is a powered household appliance that is used to remove moisture from a load of clothing , bedding and other textiles , usually shortly after they are washed in a washing machine. Otherwise, clothes may also be dried by natural evaporation and, if available, sunlight, on an outdoor or indoor clothes line or clothes horse. Many dryers consist of a rotating drum called a "tumbler" through which heated air is circulated to evaporate the moisture, while the tumbler is rotated to maintain air space between the articles. A simpler non-rotating machine called a " drying cabinet " may be used for delicate fabrics and other items not suitable for a tumble dryer. Combination washer-dryers perform both functions in one device. Others include steam to de-shrink clothes and avoid ironing.

HVAC stands for Heating, Ventilating, and Air Conditioning, and HVAC systems are, effectively, everything from your air conditioner at home to the large systems used in industrial complexes and apartment blocks. A good HVAC system aims to provide thermal control and indoor comfort, and one that is designed using the principles of thermodynamics, fluid mechanics, and heat transfer. The big air conditioner boxes that you might see on top of apartment blocks or offices are examples of the visible part of HVAC systems. But heating and cooling systems you use in your home are also HVAC systems. They may take a different form, but many of the fundamental principles determining how they operate, as well as their efficiency, crosses over from the smallest of personal devices right through to the biggest commercial installations. For most people, heating and cooling will account for as much as half of the energy they use. Heating systems can take a couple of different forms.

Heat Pump Dryers: Theory, Design and Industrial Applications

Explore the Social, Technological, and Economic Impact of Heat Pump DryingHeat pump drying is a green technology that aligns with current energy, quality, and environmental concerns, and when compared to conventional drying, delivers similar qualityMoreExplore the Social, Technological, and Economic Impact of Heat Pump DryingHeat pump drying is a green technology that aligns with current energy, quality, and environmental concerns, and when compared to conventional drying, delivers similar quality at a lower cost. Heat Pump Dryers: Theory, Design and Industrial Applications details the progression of heat pump drying from pioneering research and demonstration work to an applied technology and establishes principles and theories that can aid in the successful design and application of heat pump dryers. Based on the authors personal experience, this book compares heat pump dryers and conventional dryers in terms of performance, quality, removal rate, energy utilization, and the environmental effect of both drying processes. It includes detailed descriptions and layouts of heat pump dryers, outlines the principles of operation, and explains the equations, diagrams, and procedures used to form the basis for heat pump dryer dimensioning and design. The author also proposes the use of heat pump dryers that operate on natural fluids and considers their potential for providing ecological benefits and easing environmental issues relative to conventional drying.

Published September by Amer Society of Mechanical. Written in English. Thermodynamic properties of refrigerants for heat pumps; Heat Pump Dryers: Theory, Design and Industrial Applications discusses the ready-to-use technology of heat pump drying. The book compares conventional and heat pump drying, addresses the confines and limitations of conventional drying, and proposes viable solutions using this novel by: 4. Get this from a library!

Water Practice and Technology 1 June ; 15 2 : — The popularity of heat drying of wastewater sludge has increased over the past several years because it can reduce sludge mass and volume, and hence disposal costs. However, drying sludge using conventional combustion-heated dryers is energy-intensive. Heat pump dryers can be efficient and offer significant energy savings by recycling the drying heat. This paper describes a heat pump dryer designed for continuous drying of industrial wastewater sludge. The dryer constructed was essentially a closed-loop air system. The air used for drying is dehumidified to recover the latent heat of vaporization, re-heated using the recovered heat, and recirculated in a closed environment.


Heat Pump Dryers: Theory, Design and Industrial Applications discusses the ready-to-use technology of heat pump drying. The book compares conventional and.


Clothes dryer

March Adjustment and control of moisture levels in solid materials through drying is a critical process in the manufacture of many types of chemical products. As a unit operation, drying solid materials is one of the most common and important in the chemical process industries CPI , since it is used in practically every plant and facility that manufactures or handles solid materials, in the form of powders and granules. The effectiveness of drying processes can have a large impact on product quality and process efficiency in the CPI.

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