CHICHENG MACHINERY

CHICHENG MACHINERY

DESIGNATED BY THE MINISTRY OF WATER RESOURCES

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Nominal diameter regulations for turbines

The nominal diameter of the Francis turbine is the largest diameter on the inlet edge of the runner blade, that is, the diameter at the intersection of the lower ring of the runner and the inlet edge of the blade.

2022-08-26 18:42

Current Situation and Development Prospect of Machinery Manufacturing Technology

With the development of economy and society, the position of industry in social and economic development is becoming more and more important. Industrial progress has improved the development level of my country's comprehensive national strength and has a great impact on our society. Among them, the status of machinery manufacturing in industry It is indispensable. Modern industry is the driving force for the basic guarantee of social and economic development, and machinery manufacturing is the basic force to promote the social economy. One of the main indicators to measure the level of industrialization in a country is the level of machinery manufacturing.

2022-08-26 18:42

Zhou Ji, President of the Chinese Academy of Engineering: my country's manufacturing industry still needs efforts

At the 2016 China (Zhengzhou) Industrial Transfer series of docking events held on November 7, Zhou Ji, President of the Chinese Academy of Engineering, said that my country has now become a major manufacturing country, comparable in size to the United States

2022-08-26 18:42

The construction of a powerful manufacturing country has entered the stage of full implementation

Zhang Feng, chief engineer of the Ministry of Industry and Information Technology, said at the 2016 CCTV Financial Forum and China Listed Company Summit held recently that the manufacturing industry, which is the foundation of a country and an instrument of rejuvenation, is the field with the most concentrated various resources and elements, and it is undoubtedly the supply The main battlefield of side structural reform.

2022-08-26 18:41

The company's technical advantages

Over the years, the company has cultivated a group of technical backbones with various expertise, and has long-term friendly cooperation with Sichuan Machinery Hall Design Institute, Sichuan Water Conservancy and Hydropower Design Institute (research institute)

2022-08-26 18:41

Hydraulic generator set maintenance

The company has complete and complete motor maintenance equipment, equipped with 4 tons of high-precision computer digital display dynamic balancing machine, 2 tons of Italian imported dynamic balancing machine and on-site computer digital dynamic balancing instrument

2022-08-26 18:40

How generators work

‍The generator usually consists of stator, rotor and end cover. brush. It is composed of parts such as machine base and bearing.

2022-08-26 18:39

Applicable characteristics of axial flow turbine

The axial flow turbine is suitable for the water head range from 3m to 60m. According to its runner structure, it is divided into two types: fixed-paddle type and rotary-paddle type. The fixed-paddle runner blades are fixed on the hub body, and the blade placement angle cannot be changed during operation.

2022-08-26 18:39

Applicability and working principle of Francis turbine

Francis turbines are used in large and medium-sized hydropower stations with a water head of 30-700m, while medium and small Francis turbines can be used in hydropower stations with a water head of 15-400m, driving the hydro-generator to rotate to generate electricity.

2022-08-26 18:39

The scope and characteristics of the bucket turbine

The bucket turbine is a kind of impact turbine, with a water head of 50m to 1800m. Its characteristics are that the efficiency is less affected by load changes, the efficiency curve is relatively flat, and the average efficiency is high. flow station.

2022-08-26 18:38

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