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Energy Saving Measures in Cement Factory 1)Use of industrial waste (slag, pozzolan) 1)Conversion of fuel from petroleum to coal 2)Conversion of SP to NSP 3)Conversion of planetary cooler to grate cooler 1)Conversion from wet process to dry process 2)Replacement of ball or tube mill by vertical roller mill 3)Pneumatic transfer of raw
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Energy Saving Measures in Cement Factory 1) Use of industrial waste (slag, pozzolan) 1) Conversion of fuel from petroleum to coal 2) Conversion of SP to NSP 3) Conversion of planetary cooler to grate cooler 1) Conversion from wet process to dry process 2) Replacement of ball or tube mill by vertical roller mill 3) Pneumatic transfer of raw material to mechanical
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Power-saving Examples of Cement Process in Japan clinker cooling system F1 F2 F3 F4 F5 F6 F Clinker cooler Boiler (Heat recovery) EP (Elector-static precipitator) Cooler fans Duct Exhaust Gas velocity is too high:33m/s Duct Pressure loss is large:150mmAq ECCJ
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The production of cement is an energy-intensive process. Typically, energy consumption accounts for 20-40% of production costs. In 2008, the U.S. cement industry spent about $1.7 billion to purchase energy; around $0.75 billion of this was for electricity and $0.9 billion for fuels
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Energy Saving Measures in Cement Factory 1)Use of industrial waste (slag, pozzolan) 1)Conversion of fuel from petroleum to coal 2)Conversion of SP to NSP 3)Conversion of planetary cooler to grate cooler 1)Conversion from wet process to dry process 2)Replacement of ball or tube mill by vertical roller mill 3)Pneumatic transfer of raw
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government, Lao Cement co. and Malaysian energy conservation cen ter (PTM). The audit work was implemented according to the following steps; Lecture on cement manufacturing process and its energy saving measures
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Cement Process & Energy Saving ECCJ. Cement Process & Energy Saving October, 2006 The Energy Conservation Center, Japan Tro Kawase. Laos 2006.10 2 Water Layout of one Japanese cement factory Waste tire yard Coal yard Electrostatic Precipitator Raw mill crusher SP & calciner Rotary kiln Cement silo Shipping pier Birdeye View of Japanese Cement Factory
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Activities of Energy Saving-Policy for Energy saving from the end of Year 2005 - Beginning from Electricity energy in January 2006. First training held in cement plant No II-Making and monitoring of monthly records, analyzing of records - Goal or objective determination 125 kWh/t cement - Results from January-August/2006 133.49kWh/t cement
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u 9,000 kW of power generation output, that is about 30% of the electricity used throughout the cement plant of daily output 5,000 tons, was saved, contributing
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Cement Process & Energy Saving ECCJ. Cement Process & Energy Saving October, 2006 The Energy Conservation Center, Japan Tro Kawase. Laos 2006.10 2 Water Layout of one Japanese cement factory Waste tire yard Coal yard Electrostatic Precipitator Raw mill crusher SP & calciner Rotary kiln Cement silo Shipping pier Birdeye View of Japanese Cement Factory roller mill (VRM) is
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Cement Process & Energy Saving - ECCJ. Cement Process & Energy Saving October, 2006 The Energy Conservation Center, Japan Taichiro Kawase Laos 2006.10 2 Water Layout of one Japanese cement factory Waste tire yard Coal yard Electrostatic Precipitator Raw
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ECCJ The Energy Conservation Center, Japan ... Cement 1 5 2 35,880 - 79,530 H - Company Pulp & Paper 63 (TPM) 7 (TEM) ... 1.1 Economic factors of Energy Conservation Energy saving is important and effective at all levels of human organizations – in the whole world, as
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Cement Process & Energy Saving ECCJ. Cement Process & Energy Saving October, 2006 The Energy Conservation Center, Japan Coal yard Electrostatic Precipitator Raw mill crusher SP & calciner Rotary kiln Cement silo Shipping pier Birdeye View of Japanese Cement Factory. Laos 2006.10 3 Chemical Composition of Raw Materials and Cement Product Gypsum
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Shaleen et al. 2002 conducted research on energy balance in a cement industry. They used the data from existing plant in India with a production capacity 1MT per annum. Get Quote Cement Process Amp Energy Saving Eccj. Cement Process amp Energy Saving October, 2006 The Energy Conservation Center, Japan Taichiro Kawase. Laos 2006.10 2
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Energy and exergy analyses of a raw mill in a cement. Dec 01, 2006 When the energy consumption in this cement plant is examined by fuel types, the largest fuel types being coal with 57.66%, electricity 14.63%, and petro-coke with 27.72%, respectively, and total energy consumption is about 2.04 PJ in this plant for per year
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Cement Process & Energy Saving - ECCJ. Cement Production Process Raw Material section Clinker Burning section Finishing section Lepol Kiln Ordinary Kiln Long Kiln SP/NSP Kiln WHB Suspension preheater Wet Process Dry SEC of Finishing Mill kWh/kg-ce 69.2 Sect. SEC of Raw Mill Sect. kWh/kg-rm 50 36000 750 38000 520 500 Raw Material Charge ton/d 760
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Steam is generated by waste heat recovery boiler added to cement manufacturing process, and it can be used for Steam Turbine Generator. Waste heat which used to be cast out in the past can be converted into electric energy, and eventually energy efficiency can be greatly improved and great energy-saving effect can be expected
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Products through Process Omission Development of Energy Saving Distillation, Technology through Internal Heat ... (Cement Production Finishing Section) ... Researches (i.e. ECCJ, NEDO, ASEAN organizations) Sources of Information
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Cement Process & Energy Saving ECCJ Raw mill SEC (kWh/kgmat''l) Oct.2 Oct.9 Oct.16 Oct.23 Oct.30 Nov.6 Addition of Grinding Balls Watch raw mill SEC daily and add grinding balls in right timing →10% energy saving expected Ball diameter shrinks as time passes due to erosive effect
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