• 2018 - 08 - 22
      Gas turbine is a kind of internal combustion power machine, which uses continuous flow gas as working medium to drive the impeller to rotate at high speed and change the energy of fuel into useful work. The structure of gas turbine is the simplest, and it can embody a series of advantages, such as small volume, light weight, fast start-up, less or no cooling water.In the main flow of air and gas, the gas turbine cycle consists of compressor, combustor and gas turbine, which is called simple cycle. Most gas turbines use simple cycle.The compressor sucks air from the outside atmosphere and compresses it step by step through an axial-flow compressor to make it pressurized, and the air temperature increases accordingly; the compressed air is pressed into the combustor and mixed with the fuel i...
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    • 2018 - 08 - 21
      Turbofan engine, also known as 'turbofan engine'. A gas turbine engine is a gas turbine engine which is ejected from a nozzle and ejected from a fan to produce reaction thrust. It consists of a compressor, a combustion chamber, a turbo (driven compressor), a low pressure turbine (driven fan) and an exhaust system. The first three parts are called 'core engines'. The available energy in the gas from the core engine is used to drive the low-pressure turbine to drive the fan, and the gas from the nozzle is used to accelerate the emission. Culvert ratio is closely related to fuel consumption rate. The first generation of turbofan engines appeared in the late 1950s, the bypass ratio, the compressor turbocharging ratio and the gas temperature in front of the turbine were relative...
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SIEMENS: the future business model has changed. Gas turbine and localization services can occupy the

Data: 2018-08-22
浏览次数: 24

'At present, China's gas turbine market competition is fierce, the past business model is no longer applicable, the future should be a new machine + localized service model to respond to China's energy transformation period of market demand. Only by thoroughly localizing the supply chain, technical service personnel and spare parts, can we quickly respond to customer needs to help power plants reduce operating costs and maximize revenue. 'Yao Zhenguo, Executive Vice President of Siemens (China) Co., Ltd., General Manager of Power and Natural Gas Group Greater China, is in Yixing, Siemens It was said in the interview of the opening conference of the customer service center of the power generation business.

On June 20, Siemens Yixing Power Generation Business Customer Service Center landed in Yixing, Jiangsu Province, which is another important node for Siemens to comprehensively promote the production, manufacture and localization of gas turbine core components in China. Gery Nocker, executive vice president of Siemens (China) Limited and general manager of Power Generation Services Group, said, 'The service center can solve the storage of strategic spare parts in a one-stop manner, make full use of the facilities of the production base, and provide a local service platform for the installation, commissioning and maintenance of the gas turbine. In addition, we can provide a variety of training solutions through training centers. As a reliable partner for Chinese customers, the service center will help Siemens to respond quickly and efficiently to local customers'needs, thereby reducing customer operating costs and maximizing benefits for domestic gas turbine users.

Market changes accelerate the localization process.

In February 2017, Siemens Gas Turbine Parts (Jiangsu) Co., Ltd. (Yixing Factory) officially launched, which is Siemens in the world's third gas turbine parts manufacturer. At that time, Siemens took into account the demand of China's gas turbine market, pushed forward the localization of gas turbine core components manufacturing, while preparing to build a customer service center for power generation business.

Yao Zhenguo said: 'We will build Yixing into a power generation business customer service center, mainly from the stock and incremental market considerations. From the perspective of stock, China has become the largest single gas turbine market in the world. Siemens provides 60 heavy-duty gas turbines for the Chinese market. To ensure the efficient and reliable operation of these 60 units is one of the important factors to promote local service. From the incremental point of view, China is in the period of energy transformation, the core topic of this period is 'coal-fired power, new energy', but at this stage, who will meet the basic load after coal-fired power? Who will peak shaving? Gas-fired power generation has become the best choice.

By the end of 2017, China's total installed capacity of gas-fired generating units has reached 76.29 million kilowatts, accounting for 4.3% of the total installed capacity of the country's power supply, an increase of 8.8% year on year, and the growth rate has gradually stabilized. According to the 'China Electric Power Development Report 2017' issued by the General Institute of Electric Regulations, if the macroeconomic, service and residential electricity development trends, air pollution control, power substitution and other factors are taken into account, it is expected that the power supply and demand in Beijing, Tianjin, Hebei, Yangtze River Delta, Pearl River Delta and other places will be tense during the summer peak season, and there will be a shortage of electricity. Risk. In order to further optimize the energy structure and improve the environmental quality, these areas have put forward the goal of coal reduction development, coal and electricity development space is limited. Accelerating the construction of emergency gas turbine according to local conditions will become an important means to relieve short-term power supply pressure and improve the peak load regulation ability of power grid. The above-mentioned gas turbine projects in the next three years are expected to achieve certain development.

Then, in response to the steady growth of the demand for gas power generation business market, China Yixing is also following the United States, Germany, Saudi Arabia and Egypt, Siemens has become the first training center in China. 'Based on the successful experience of Siemens Global Power Generation Training Network and combined with the local market demand, the training center provides customized training courses covering large-scale combustion theory knowledge, maintenance tools and hands-on operation to meet the growing demand of customers for power generation business training,' said Rock.

'At present, the initial investment and future long-term operating and maintenance costs are taken into account when purchasing gas turbines, and the'gas turbine + localization service'is also involved in the bidding process,' Rock said. Yao Zhenguo added: 'The past business model is no longer suitable for the Chinese market, the future should be the engine + localization service model. Only by realizing the localization of supply chain, technical service personnel and spare parts can the value chain of the gas engine industry be brought into play in China. The establishment of Yixing Power Generation Customer Service Center is equivalent to the completion of hardware, software, engineers and trainers in China.

Localization services can achieve a 24 hour response to reduce operation and maintenance costs of power plant 10%-30%.

According to Rock, relying on the production and manufacturing facilities of Yixing Plant, the power generation customer service center can not only provide off-site maintenance services for Siemens heavy and medium and small-sized gas turbine units, but also carry out parallel maintenance on turbine blades, the core component of the combustion system of the gas turbine, which can greatly shorten the maintenance time and ensure that the gas turbine is maintained. Maximization of run time. In the first half of this year alone, the Siemens Local Service Team has provided turbine blade machining and top grinding services using existing equipment in the Yixing plant during the large-scale overhaul of eight turbines in six power plants. Located in Yixing, the customer service center of the power generation business is part of Siemens'global network in terms of service breadth; it adopts Siemens' global unified operational service standards, so it can provide the same quality of service as service centers in other regions; and it has a stock of existing tools.


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