MSc thesis, Chemical Engineering.
An experimental heat pump dehumidifier is described. Actual coefficients of performance (COP) A are plotted against the gross temperature lift (T CO ‐ T EV) for various bypass ratios and air olated values of (COP) A for a specified temperature lift were obtained by fitting each set for various dry bulb temperatures of air leaving the humidifier using a linear by: 4. Conceptual Design of the Hybrid Heat Pump Dryer – Dehumidifier A heat pump dryer – dehumidifier can be obtained by having a heat pump system serving two units of processing chamber. Since evaporator and condenser of a heat pump system can act as a condenser and a heater respectively in a drying – dehumidification system. Heat pump dryers are more energy and cost effective, as they can recycle drying thermal energy and reduce CO2, particulate, and VOC emissions due to drying. This book provides an introduction to the technology and current best practices and aims to increase the successful industrial implementation of heat pump- assisted by: 5. This review paper included the recent progress made in heat pump assisted drying, its principle, mechanism and efficiency, type and its application for drying of agricultural produce.
Handbook of Dehumidification Technology is a handbook of dehumidifiers and how they work. This manual describes the principles of dehumidification and looks at the domestic and industrial applications of dehumidifiers, along with design considerations for refrigerant dehumidifiers. Drying methods include convention, solar, oven, dehydrator and heat pump system. Drying of various products using heat pump system will be discussed in this paper. Heat pump is an efficient heating and cooling generating system. Application of heat pump in residential can be seen as existing refrigeration and air conditioning systems. Higher operating drying temperature compared to a standalone heat pump drying system. • Because heat pumps consume less primary energy than conventional heating systems, they are an important technology for reducing gas emissions that harm the environment, such as carbon dioxide (CO 2), sulphur dioxide (SO 2) and nitrogen oxides (NO x. The air handler and the dehumidifier can share ducts. It’s possible to design a system in which the air handler and the dehumidifier share ductwork (see the illustration above). This is the most common way to integrate a dehumidifier with a forced-air heating system, with or without an ERV.
Drying of solids is one of the most common, complex, and energy-intensive industrial processes. Conventional dryers offer limited opportunities to increase energy efficiency. Heat pump dryers are more energy and cost effective, as they can recycle drying thermal energy and reduce CO2, particulate, and VOC emissions due to drying. This book provides an introduction to the technology . Hey folks. I have an electric water heater and also run a dehumidifier in my basement. I've been thinking about buying a Heat Pump Dehumidifier that will heat my water and do the job that my dehumidifier does. Also in the process it will lower my electric bill about $60 bucks a . The system has two cycles: a heat pump and a drying cycle. The working fluid of the heat pump and the drying cycles are R A and air, respectively. The two–stage heat pump consists of two evaporators; one operates at high pressures while the other one operates at lower pressures for additional cooling and dehumidification of the drying air. The dehumidifier heat pump is manufactured in stainless steel for hygienic and long lasting fully protecting the customer’s capital investment. They are fully insulated for controlled temperature applications and with a high level of control. The Dryair HP dehumidifiers rely on .