Editor 's note: China's energy situation is becoming more and more tense, and energy shortages have brought huge impacts on manufacturing industries known for their energy consumption. Manufacturing companies are taking the road of energy conservation is the trend of the times. Enterprises have more than 20% energy saving potential. Due to the lack of energy-saving renovation funds and energy-saving consulting services, the heavy energy costs have greatly increased the cost of enterprises, which not only makes the power supply tight, but also pollutes our living environment.
In this issue, the “Energy Conservation Alliance†launched the second series of “Analysis and Review of Energy Saving Reconstruction Projects†– “Case Analysis and Suggestions for Energy Saving Reconstruction of Factory Lightingâ€.
Engineering case
Take one of the workshops of a large state-owned enterprise as an example: a workshop with a construction area of ​​4,000 square meters, a factory height of 13 meters, and a lighting limit of 10 meters. There are 176 sets of 400W sodium lamps of a certain brand. The cost of each set of lamps is: RMB 692. The illuminance of the luminaire on the ground is 30-50 LUX. The problems are: low luminous efficiency, insufficient illumination, poor safety; high energy consumption, fast light decay, low color rendering; unable to start when the voltage is unstable, frequent replacement, workload Large; large thermal effect.
According to the current lighting design plan of a large state-owned enterprise, in line with the principle of “energy saving, improving plant light efficiency and reducing thermal efficiencyâ€, the current light source forum found some “energy saving alliance†units to design the lighting of the enterprise design. Program - Suggestions for renovation
Analysis and suggestion of transformation plan
First, the principle of transformation
As we all know, energy consumption is mainly concentrated in the industrial sector. According to relevant media reports, last year, Guangdong's industrial energy consumption accounted for 63.9% of the province's energy terminal consumption. The “big head†of reducing industrial energy consumption is the top priority in energy conservation and consumption reduction, and vigorously promote the application of energy-saving lighting products. The trend of the times. In order to meet the needs of medium and high-end users (factories, commercial stores, offices, schools, railways, hospitals, street lighting departments, etc., which require large-area lighting and are very concerned about energy conservation) in specific markets, the electrodeless lamps can be such The user brings improved lighting environment and energy saving efficiency to 35%, 50%, 60% and above.
Second, the transformation of new programs (induction lamps):
1. Comparison of specific parameters:
2. Comparison of electricity saving costs:
The original plan electricity consumption per day: 176 * 480W * 0.8 yuan / degree * 12 hours = 811 yuan
The current plan electricity consumption costs: 176 * 210W * 08. yuan / degree * 12 hours = 354.81 yuan
According to the actual power consumption: (480W-210W) * 176 only * 0.8 yuan / degree * 12 hours = 456.19 yuan (the cost per day is 456.19 yuan)
3. Power saving comparison: (480W-210W) * 176 only * 12 hours = 570.24 degrees (one day power saving 570.24 degrees) One year electricity saving costs: (480W-210W) * 176 only * 0.8 yuan / kW * 12 hours *365 days=166510 yuan
4. Cost recovery: In order to reduce costs and reuse resources, it takes 20 months to recover the cost of the original luminaire. Before the transformation, the 400W sodium lamp was used, and the ground illumination was 35LUX. After the transformation, the 200W induction lamp was used, and the ground illumination was 176 LUX.
Summary: Induction lamp as a new generation of new technology, a new generation of high-efficiency energy-saving light source, with its long-lasting light effect, high luminous efficiency, rapid start-up, high power factor, soft light and no flicker, strong environmental adaptability, etc. The promotion and application, especially in industrial enterprises and places where maintenance is difficult, shows the unique advantages of the electrodeless lamp.
Analysis and Suggestions of Shanghai Baodi Reconstruction Program Wang Haodao, Engineer of Shanghai Baodi Technology Department
Today, as global energy is getting tighter, the energy saving of industrial lighting systems is the trend of the times. High-quality industrial lighting not only can meet the extreme environment of industrial production, reduce energy consumption, but also a more comfortable visual environment helps employees to significantly relieve long-term work fatigue, maintain a good working condition, and thus improve production efficiency, Reduce the work error rate, improve the pass rate, reduce production safety accidents, etc., and ultimately improve the effectiveness of corporate value.
For the factory lighting design, we generally need to consider the following issues:
1. Understand the production process, operation mode and form of the workshop, the layout of the workshop equipment and the required illumination brightness, etc. These objective conditions are the main reference elements for the design of the workshop lighting.
2. At the same time as satisfying the needs of customers such as brightness, it is necessary to give people a feeling of visual comfort.
3. Energy saving, good economic benefit is the direction that is considered when designing.
The following is the lighting design of Baodi Company for a workshop.
First, the basic data
1. Plant area: 40 meters * 100 meters = 4000 square meters
2. Factory height: 13M.
3, lighting limit: 10M
Second, the original plan of the project selects lighting products and quantity
176 sets of 400W sodium lamps
Third, the existing design
200W Baodi energy-saving lamps 156 sets
1. Comparison of other performances Compared with the above table: the advantages of putting energy-saving lamps for lighting are very obvious. Compared with sodium lamps, each workshop can save nearly 718,744 yuan of electricity every five years, and the cost of purchasing equipment can be recovered in less than half a year. At the same time, it overcomes the shortcomings of low luminous efficiency, insufficient illumination, poor safety, high energy consumption, low color rendering, inability to start when the voltage is unstable, frequent replacement, large workload, and high thermal efficiency.
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