Yesterday, the reporter learned from the Chancheng Municipal Public Utilities Management Technical Service Center that the large-scale urban road LED street light | street lamp renovation | energy-saving third phase renovation project has been completed recently, 12,000 ç› LED street lights replaced the original high-pressure sodium lamps, It has upgraded the main road lights and has significant energy saving and environmental protection benefits.
It is understood that most of the street lamps in Chancheng District were built in the 1980s and 1990s. The lamps are mainly high-pressure sodium lamps. The lamps have high energy consumption, short life span, high maintenance cost and poor color rendering, resulting in low landscape clarity. In order to maintain the necessary lighting, the public sector of Chancheng District had to increase the power of some main road lamps, resulting in excessive power density of multiple roads and wasting a lot of power. Some of the branches have insufficient illuminance and the road is dim. In addition, high-pressure sodium lamps contain metallic mercury and sodium, and subsequent waste disposal is highly polluting.
LED street light is the fourth generation of new lighting source, with long life (LED lamp life can theoretically reach 50,000 hours or more, generally can use 30,000 to 40,000 hours, sodium lamp source life is only 12,000 hours), soft light, high brightness, low power consumption A series of advantages such as small environmental pollution.
In order to promote energy-saving emission reduction and industrial upgrading, Chancheng District began to implement urban road LED street lighting renovation from November 2008. By November 2009, the second phase of the project was completed, and some road sections were installed with LED street lights of 9372ç›. The third phase of LED street lighting renovation in Chancheng District began construction at the end of 2013. The renovation involved more than 140 roads in the three streets of Zumiao, Shiwan and Zhangye, and installed 12,000 LED street lamps.
What is the effect after the transformation? The relevant person in charge of the district public utility management technical service center gave an example: taking the section of the Minjiang Middle Road (Tongji intersection to Jihua intersection) as an example, the entire section of the road was replaced with 165 LED LED street lights. Before the transformation, the street lamp power per night was 571.20KW, the power per hour after transformation was 253.93KW, and the power saving rate was 55.54%. The illumination still conformed to the national standard, and the color rendering index of the high-pressure sodium lamp was low, and the color of the scene was not clear enough. In the case of soft warm white light, the surrounding scenery looks clearer. According to estimates, after the completion of the third phase of the project, the same number of high-pressure sodium lamps are used. The annual use of LED street lamps saves 8 million kWh, which is equivalent to an annual carbon dioxide emission reduction of 6,700 tons in Chancheng District, which has significant energy saving and environmental protection benefits.
The relevant person in charge of the municipal public utility management technical service center of Chancheng District said that after the completion of the third phase of LED street lighting, the maintenance of LED street lights will continue to be done, making the night roads brighter and providing convenience for citizens' lives.
It is understood that most of the street lamps in Chancheng District were built in the 1980s and 1990s. The lamps are mainly high-pressure sodium lamps. The lamps have high energy consumption, short life span, high maintenance cost and poor color rendering, resulting in low landscape clarity. In order to maintain the necessary lighting, the public sector of Chancheng District had to increase the power of some main road lamps, resulting in excessive power density of multiple roads and wasting a lot of power. Some of the branches have insufficient illuminance and the road is dim. In addition, high-pressure sodium lamps contain metallic mercury and sodium, and subsequent waste disposal is highly polluting.
LED street light is the fourth generation of new lighting source, with long life (LED lamp life can theoretically reach 50,000 hours or more, generally can use 30,000 to 40,000 hours, sodium lamp source life is only 12,000 hours), soft light, high brightness, low power consumption A series of advantages such as small environmental pollution.
In order to promote energy-saving emission reduction and industrial upgrading, Chancheng District began to implement urban road LED street lighting renovation from November 2008. By November 2009, the second phase of the project was completed, and some road sections were installed with LED street lights of 9372ç›. The third phase of LED street lighting renovation in Chancheng District began construction at the end of 2013. The renovation involved more than 140 roads in the three streets of Zumiao, Shiwan and Zhangye, and installed 12,000 LED street lamps.
What is the effect after the transformation? The relevant person in charge of the district public utility management technical service center gave an example: taking the section of the Minjiang Middle Road (Tongji intersection to Jihua intersection) as an example, the entire section of the road was replaced with 165 LED LED street lights. Before the transformation, the street lamp power per night was 571.20KW, the power per hour after transformation was 253.93KW, and the power saving rate was 55.54%. The illumination still conformed to the national standard, and the color rendering index of the high-pressure sodium lamp was low, and the color of the scene was not clear enough. In the case of soft warm white light, the surrounding scenery looks clearer. According to estimates, after the completion of the third phase of the project, the same number of high-pressure sodium lamps are used. The annual use of LED street lamps saves 8 million kWh, which is equivalent to an annual carbon dioxide emission reduction of 6,700 tons in Chancheng District, which has significant energy saving and environmental protection benefits.
The relevant person in charge of the municipal public utility management technical service center of Chancheng District said that after the completion of the third phase of LED street lighting, the maintenance of LED street lights will continue to be done, making the night roads brighter and providing convenience for citizens' lives.
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