Dehumidifier Research Paper

1332 Words6 Pages
Abstract
An Air Dehumidifier can be designed and modeled working on simple principle of dehumidification of compressed air by means of collision with the number of cylinders arranged in series. This dehumidifier will not require any hygroscopic media or absorptive media such as Activated Alumina, Silica gel, Salt tablets, etc. which are used in other dehumidifiers. It does not require any refrigerant which is used in the refrigerated dehumidifier. The designed dehumidifier will be most reliable for the point of application. The dehumidifier will be designed to operate at a high pressure of 250 P.S.I. This can be designed as per the as per the theory of thin cylinder. From the design calculations the stresses of the proposed dimensions were
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Patrick at Johns Hopkins University, he patented the desiccant kind of material. The material came into existence in 1640’s which was used as the absorptive medium for poisonous gases during the World War-I. This material is generally Silica gel. The desiccant dehumidifier was invented and patented by Hanns F. Arledter, Edward R. Stacy and Clayton E. Bruke in United States on 8th Nov. 1963. While the dehumidifier having deliquescent material was patented by Philip S. Becker in19th April 1996 in United States. This dehumidifier uses hygroscopic media filled in vessel. The material uses salt which have affinity to the moisture. The most common salts are ferric ammonium citrate, potassium hydroxide, etc. The membrane dehumidifier was invented and patented by Ravi Prasad in Praxair Technology Inc. in the year 1993 on 27th April. A two stage membrane dehumidifier employs two stages. The first stage is to remove the water vapor from the air and second stage is to complete the process of…show more content…
Ease in handling. Zero maintenance cost. No moving parts. Economically affordable. High degree of safety.
References:
Milind V. RANE, S.V. KOTA REDDY, and ROSHNI R. EASOW, “Energy efficient liquid based desiccant - based dryer”, Applied Thermal Engineering, Volume 25, Issues 5-6, April 2005, Pages 769-781 V. SHANMUGAM and E. NATRAJAN, “Experimental study of regenerative desiccant integrated solar dryer with and without reflective mirror”, Applied Thermal Engineering, Volume 27, Issues 8-9, June 2007, Pages 1543-1551. Wisut Chramsa-ard, Sirinuch Jindaruksa, Chatchai Sirisumpunwong and Sorawit Sonsaree, “Performance evaluation of desiccant bed solar dryer”, Energy Procedia, Volume 34, 2013, Pages 189-197. E. DRIOLI, M.C. CARNEVALE, A. FIGOLI, and A. CRISCUOLI, “Vacuum membrane dryer (VMDr) for the recovery of solid micro particles from aqueous solutions”, Journal of Membrane Science, Volume 472, 15 December 2014, Pages 67-76. CHE-HSIN LIN, CHING-HSIU CHEN, “Sensitivity enhancement of capacitive type photo-resistor- based humidity sensors using deliquescent salt diffusion method”, Sensors and Actuators B: Chemical, Volume 129, Issue 2, 22 February 2008, Pages

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