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Result
Compared with the original fan, the Wolong EC-fan has less operating power and produces more air volume and pressure. At the same time, the EC fan is lighter in weight and smaller in size, which makes it easier to install and more efficient, and quieter in operation. The actual energy consumption and operation effect have obvious advantages, and the energy saving rate reaches 59.28%.
Result
One Wolong high-efficiency intelligent fan replace the original three forward-tilting centrifugal fans, and under the production conditions of the same environment, with extremely low operating power, a larger air volume and wind speed are generated. The energy saving rate of a single fan is as high as 78.8%. This energy-saving renovation is a benchmark lighthouse project in the printing industry.
Result
The original 5.5kW centrifugal fan was transformed into a 3.9kW EC630 fan, which has a larger air volume and lower power under the same working conditions, and the energy saving rate reaches 58% after the transformation.
Result
Compared with the working condition of the original air conditioning air cabinet, the operating power is reduced by more than half compared with the original while the air volume increases, and the energy saving rate is significant. The refrigeration effect of the conference room is better than that before the transformation, the on-site volume is also greatly reduced, the abnormal vibration noise caused by the old aging of the original air cabinet has been eliminated, the operating noise has been reduced by about 18.4dB after the transformation, and the energy saving rate of the fan is 52%.
Company information : As an innovative enterprise specializing in the research, development and production of functional chemicals.
Project Description:
The top heat dissipation area consists of 8 sets of 11kW fan, the fan structure is mainly: the use of high-efficiency permanent magnet EC fan + intelligent digital control system to replace the original gearbox drive + three-phase asynchronous motors. Three-phase asynchronous motor fan system, energy saving rate in 47.3%. The annual revenue is about 160,000 RMB based on the electricity cost. The payback term is within two years.
Company information: has total assets of 9.1 billion yuan and more than 6,000 employees, with its main business covering human APIs, human pharmaceutical preparations, animal and plant health care medicines and environmental protection science and technology, etc., and its products are exported to more than 60 countries and regions.
Project Description:
The cooling tower is modified through EC fan array composed of multiple EC fans and controlled by frequency conversion. Has a comprehensive energy saving rate of 52% through the use of EC fan array. The annual power saving is 141,125 wkh. The annual payback is about 110,000 RMB based on electricity cost.
Company information : The company focuses on the deep processing of tea, plant extracts and technology promotion.
Project Description:
Retrofit 4 sets of 15kW fan, the proposed transformation of the cooling tower fan motor rated power total: 60 kW fan structure form: the use of carbon steel impeller + drive + three-phase asynchronous motor combination, the use of high-efficiency permanent magnet EC fan + intelligent digital control system, to replace the original speed reducer wheel gear box drive + three-phase asynchronous motor fan system. After the energy-saving transformation, the comprehensive energy-saving rate reaches about 48%, and the annual cost saving reaches about 80,000 yuan.
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