Abstract
Energy demands in today’s world have increased and the main area of concerns is that approximately 90% of world’s oil reserves are expected to be depleted within two generations. We are trying to build a technological system where the by-product of conventional fuel i.e., exhaust heat of fuel, will be converted into another form so that it can further be used again. Mainly, recovery of heat energy is our prime motive. According to our motive, we are going to recover the heat of the hot exhaust gases from chimneys of factories which usually dissipate into the atmosphere and thus that exhaust heat left unused. So, we are making a water storing tank i.e., water jacket that will surround the chimney through which heat from hot exhaust gases will come in contact with water present in water jacket. Through the process of conduction, heat transfer will take place. Therefore, due to heat, the temperature of the water will increase to a very high extent, and hot water can be used in boilers as a pre-heater for household or commercial purposes. Furthermore, global warming will also be controlled if we start implementing this technology at a huge scale. Citation: KOHLI, U., Mishra, V., and Singh Kotwal, S. (2018). Heat Energy Recovery System. Trends in Renewable Energy, 4, 56-63. DOI: 10.17737/tre.2018.4.3.0055
Highlights
The majority of energy production from conventional and renewable resources is lost to the atmosphere due to onsite and offsite, which sums to be around 66% loss in electricity value [1,2]
We are setting up a water jacket surrounding the chimney which will be full of water
Due to the flow of hot gases through a heat exchanger, there is an increase in temperature of water which is circulated from feed pump via the heat exchanger to water jacket
Summary
The majority of energy production from conventional and renewable resources is lost to the atmosphere due to onsite (equipment inefficiency and losses due to waste heat) and offsite (cable and transformers losses), which sums to be around 66% loss in electricity value [1,2]. Heat energy flows from an object of high temperature to an object with a lower temperature. It will never do the reverse until and unless any external force is applied. In this project, we concentrated an approach towards the recovery i.e., Recovery of waste heat. There is a 30-50% heat energy loss in the form of heat dissipation i.e., by cooling system and exhaust systems. This lost heat may contain heat energy and kinetic energy, which could be further employed for some applications.
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