Waste Heat Recovery System In Cement Plant Pdf

Cement production is an energy intensive process.
Waste heat recovery system in cement plant pdf. A waste heat recovery steam generation system was selected showing the energy saving potential of 2 62 mw from the waste heat streams with simple pay back of 30 months. This study investigates the feasibility of installing the waste heat recovery system in tehran cement plant. Vii references vedat ari energetic and exergetic assessments of a cement rotary kiln system scientific research and essays vol. This paper describes the technology behind waste heat recovery and the potential for ship owners to lower fuel costs cut emissions and the effect on the eedi of the ship.
1 extending the range of existing technologies to enhance their economic feasibility and recovery efficiency and 2 exploring new methods for waste heat recovery especially for unconventional waste heat sources. The reduction in co 2 emission makes it environmental friendly. Installation of the waste heat recovery plant has to be tackled as a system approach rather than considering cement plant and whrpp operations independently. 21mw waste heat recovery system for pukrang cement plant.
A waste heat recovery system compris ing both steam and power turbines and combined with utilising scavenge air energy for exhaust boiler feed water heating. The first step in planning to install a waste heat recovery system whrs is to work out the net available waste heat that can be used to generate power. Technology needs are identified in two broad areas. Therefore after the efficiency of a cement plant has been driven to the economic optimum the remaining waste heat is converted into electricity.
1428 1438 18 march 2011. This covered about 30 of factory power consumption contributing to a reduction of about 170 000 tons of co2 per year. The waste heat available in the exhaust gases can be recovered and used for drying the moisture in the raw material and coal or for generating power. Output waste heat power generation plant at the ssangyong cement south korea tokai plant.
Hakan uvez asia cement plc thailand filmed at cemtech asia 2015 21 24 june grand hyatt bangkok thailand login required a full subscription to international cement review magazine is required to view videos. Rd d to advance waste heat recovery technologies. As a result the system design needs to be customized to maximize the benefit for the plant. Waste heat recovery power plants contribute significantly to the electrical energy saving to the tune of 25.
In a cement plant waste heat is available mainly from kiln exhaust gases and vent air from the clinker cooler. Waste heat recovery system. Every cement plant has unique characteristics whether it is the type of fuel fired in the kiln the number of preheater stages utility incentives cost of power these are different at every plant.