Huadian Changji Thermal Power Unit 2 circulating pump after two-speed transformation for the first time after the successful operation of low-speed, marking the original is the consumption of "big" circulating pump into a annual saving 900,000 degrees, saving 210,000 yuan Energy-saving "stars." Huadian Changji Thermal Power Company installed capacity of 2 × 125MW unit, equipped with 4 circulating pumps, due to the seasonal temperature difference, there is a daily flow of traffic is not enough to open the two flow is too large, both waste a lot of power and waste of water resources, resulting in plant High electricity consumption, high power coal consumption, high power generation costs. Select the appropriate speed control mode can meet the production needs but also reduce the rate of power consumption of the company become the key issue of technological innovation. The company formed QC technology research group, through technical feasibility studies and feasibility studies, to determine the circulation pump equipped with two-speed motor drive. Circulation pump two-speed transformation, according to the changes in the meteorological conditions of each season, select the drive speed, increase the flexibility of circulating water to meet the needs of different seasons of water supply, while avoiding serious deviation of the operation of the pump to improve pump operating efficiency, This technical transformation with small investment, quick and so on. The company # 3,4 unit two circulation pump motor two-speed transformation, circulation pump low-speed energy-saving effect is obvious, a single pump power saving about 250 degrees per hour, the daily saving 6000 degrees, saving 1410 yuan, According to the circulating pump low-speed operation of 150 days a year calculation, according to the feed-in tariff of 0.235 yuan / kWh, the two pumps can save 423,000 yuan a year.
The COVID-1 box of 9 common methods and rapid runny nose detection reagents are used for detection, the purpose is to determine the symptoms of SARS-CoV-2 infection simply and quickly, and it can sensitively determine the detection method of early infected people, which can be used for detection.
Virus-coronavirus twins such as SARS-CoV-2 need to be tested, and the test only takes 15-20 minutes.
The product is automatically produced and packaged in a 100,000-level purification workshop, and the shell is sterilized with 75% alcohol.
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