Energy auditing and energy conservation potential for glass works

Yingjian Li, Jiezhi Li, Qi Qiu and Yafei Xu

Applied Energy, 2010, vol. 87, issue 8, 2438-2446

Abstract: A state-owned glass production enterprise introduces the strategic investor to carry on the assets reorganization, including the purchase of two float glass production lines with subsequent technology transformations and the construction of a new float glass production line with domestic leading technology. The fuel consumption structure has changed from coal-burning to natural gas or fuel oil. The following auditing procedures were followed according to Chinese national standards. These procedures include constituting an ordinance on energy management, strengthening the energy measurement and data statistical system, and improving production lines as well as energy-saving measures. Production scale expanded approximately twice during the period of audit. Comprehensive energy consumption was 2.58Â ton coal equivalent (tce) at aqual in heat value (AHV refers to energy consumed to generate each kWÂ h of electric power, each m3 of oxygen, nitrogen, hydrogen, or each kg of steam. The term of AHV provides a unification measurement criterion for fossil fuels consumed before the energy transformation.) account per 10,000 Yuan output value, and 2.17Â tce at heat value equivalent (HVE) account. Comprehensive energy consumption per unit of product was 15.35Â kg coal equivalent (kce) per weight box. The percentage of energy cost among total cost reduced from 51.19% in 2007 to 46.48% in 2008. Consequently, the comprehensive energy conversion level holds a leading position among peers in China.

Keywords: Assets; reorganization; Energy; consumption; Energy; management; Energy; consumption; target; Energy-saving; potential (search for similar items in EconPapers)
Date: 2010
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Citations: View citations in EconPapers (10)

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