Near the annual energy-saving week, the current situation of the soaring power consumption in the whole society and the rebound of high-energy-consuming industries in the first quarter has made the energy-saving campaigns from the central to the local areas face severe challenges.
On April 27th, Premier Wen Jiabao pointed out that this year is a key year for energy conservation and emission reduction work. If this year's mission is not completed well, it will increase the pressure for the next three years. Therefore, we must make greater determination, greater strength, and more effective measures to ensure the realization of the national “Eleventh Five-Year Plan†energy conservation and emission reduction targets.
On May 18th, a video teleconference on energy conservation and emission reduction work in Shanxi Province produced a resolution. Even if it sacrificed 1/5 (100 billion yuan) of GDP in the province, it would also shut down the high energy-consuming industry represented by 197 blast furnaces. On May 22, Shanghai Mayor Han was inspecting energy conservation and emission reduction work, saying that he would rather save energy and reduce emissions at the expense of speed and total volume. Under the pressure of layers, what practical measures are there for enterprises that consume large energy? The forthcoming 2007 Philips Lighting “Energy Saving in Action†National Energy Conservation Forum will focus on the hot topic of energy conservation and discuss the major media columns in the country. This is an action by the government, enterprises, and individuals to discuss new energy-saving strategies and share good energy-saving experiences. Two companies from the southwestern province of Yunnan were the first to show us how their lighting energy-saving actions can alleviate energy pressure.
Steel, refined under the illumination of energy-saving lighting systems
It is estimated that if all of China's low-efficiency light sources are replaced by high-efficiency light sources (including energy-saving lamps, trichromatic fluorescent lamps, sodium lamps, xenon lamps, etc.), the annual electricity consumption will reach 200 billion kWh. To save power, using energy-efficient lighting systems is the most direct and effective way. Because of the same brightness, the innovative high-quality, energy-efficient lighting system can help save a lot of energy compared to the traditional traditional high-energy lighting system, but also has the benefits of environmental protection and overall lighting.
Kunming Iron and Steel Group is a medium-sized steel company and one of the key energy-consuming enterprises in Yunnan Province. Since 2005, Kunming Iron & Steel Group Co., Ltd. has carried out a series of investment in power saving reform. Before the transformation, they analyzed and calculated the proportion of lighting expenses, and found that this expenditure accounted for 9% of the total electricity expenditure. Energy-saving retrofits began with lighting, and as many as 17,300 sets of energy-saving lamps were installed throughout the plant, of which Philips' metal halide lamp system was particularly popular.
In addition, in the management system of power saving, Kunming Iron and Steel Group has also formulated a strict power saving schedule, adopted time switch control, and was implemented. In the summer, when the night is short, they are required to open after 8 pm and close after 6 am. In the winter, when the night is long, it will be changed to 7:00 pm. When not produced at night, the lighting is only used as security lighting.
The Kungang Group's power-saving actions have brought great results. In 2005, its lighting power consumption reached 13 million kWh, and the overall lighting saving rate reached 46%! It provides a successful case for companies to implement “green lightingâ€.
Lighting electricity accounts for 25% of electricity expenses, what should I do?
Due to the characteristics of closed production in the 24-hour period, the Dali Cigarette Factory under the Hongta Group has higher requirements for illumination and color rendering, and the lighting costs are as high as 25% of the total electricity consumption. For every enterprise, how to calculate the “throttle†in “open source and thriftyâ€, lighting will bear the brunt. The first stop of this energy-saving journey was the coiling package workshop: a Philips 36W tri-color straight tube fluorescent lamp system with high energy efficiency and high color reproduction capability was used in the workshop. In the silk-making workshop, the original mercury lamp and incandescent lamp were replaced by a metal halide lamp system such as Philips 250W and 400W.
After the transformation, the electricity consumption of the Dali Cigarette Factory decreased by 25%, but the illuminance could increase by 10-35%. This is the direct effect of high-efficiency energy-saving light source, electronic ballast and its accessories. The power saving rate of Dali Cigarette Factory reaches 25%.
Mr. Ma Jianwei, deputy manager and senior engineer of Yunnan Energy Conservation Industrial Co., also has an account: “If an incandescent lamp has a service life of 1500 hours, if the annual usage time is 3,000 hours, it will be changed twice a year. If the service life is changed 8000 hours of energy-saving lamps, then only two and a half years to change. Industrial lighting maintenance and replacement is often not a few hundred but a few hundred thousand lamps, this maintenance cost can not be underestimated."
High-quality lighting also means that there is enough light in the work area, good uniformity and proper color rendering, without glare. Mr. Ma Jianwei also believes that: “The lighting environment has improved, workers can work with peace of mind, and work efficiency and product quality can be improved.â€
The summer of 2007 is coming soon, let the company's lighting energy-saving calculator work! Especially during the period from June to September, it received special support from the energy conservation management departments of 9 major cities including Beijing, Shanghai, Guangzhou and Xi'an. The “Energy Conservation in Action†National Energy Conservation Forum organized by Philips Lighting will also be launched one after another for the energy-saving campaign this summer. Add a lot of color to the picture.
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