How powerful is the Baihetan Dam that China spent 180 billion yuan to build? Fill West Lake with water in 6 minutes

Tech 2023-07-14 09:20:07 Source: Network

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When we talk about hydropower stations, most people think of huge dams and power generation units. However, China's Baihetan Dam has attracted worldwide attention with its amazing scale and amazing data.

This giant project on the Yangtze River not only costs 180 billion yuan, but also has incredible flood filling capacity. It is said that the water level of the West Lake can be filled in just six minutes. Next, let's explore the magnificent scene and incomparable technology of Baihetan Dam.

Giant Baihetan Dam: the rise of a technological giant

Baihetan Dam is located between Qiaojia in Yunnan Province and Ningnan in Sichuan Province, just like a giant bathed in the arms of Jinsha River. Its location is 195 kilometers away from the urban area of Xichang and 292 kilometers away from Kunming. What an adventure! Baihetan Dam is not an ordinary hydropower station. It is a giant among the four hydropower stations in the lower reaches of the Jinsha River and plays an important role in connecting the preceding and the following.

In 2017, the dam body of Baihetan Dam had already started pouring. In less than four years, it quickly completed the opening and impoundment, basically reaching the power generation capacity! In the next 7 months, it underwent power transmission tests and grid connection debugging, and finally officially put into production and began commercial operation in November 2021. The rapid construction speed is simply breaking a world record! Previously, the world's second largest hydropower station was the Itaipu Dam in Brazil and Paraguay, but now the Baihetan Dam has succeeded in generating electricity, which heralds the birth of the new second largest hydropower station in the world! That's really amazing!

This hydropower station is considered the world's number one in terms of construction technology and power generation capacity. Even the generator of the Three Gorges Hydropower Station is eclipsed, because a single generator set of Baihetan Dam can generate 1 million kilowatts, which is the first generator in the world to achieve such a huge power generation capacity!

In the construction of the dam body, it also has the world's largest underground cavern group, which is even longer than 200KM in length. In addition, the arch dam is also incredibly high (300 meters), and its seismic resistance can be said to be second. No one dares to be first. Of course, the capacity of the pressure free spillway tunnel is even more impressive, and the scale of the cylindrical surge chamber is directly leading in the world! It's like a palace of technological innovation.

The construction of Baihetan Dam is not competent for ordinary hydropower stations, so it was handed over to the powerful team of Three Gorges Corporation. They not only have rich experience in the construction of the Three Gorges Dam, but also have sufficient financial support. Baihetan Dam is just like their brand product. Its engineering design focuses on power generation and combines internal and external development, which is amazing! In the whole western region, there is no hydropower equipment comparable to Baihetan Dam.

It is currently the most powerful hydroelectric device in the western region, truly unparalleled! Moreover, the design and construction of this hydropower station is unique. Its motor supplier is China Dongfang Electric, and all motors are self-developed products with 100% localization and independent intellectual property rights. This is no joke. They have devoted their efforts to making Baihetan Dam more powerful.

According to the plan, the construction of Baihetan Dam will save 19.68 million tons of standard coal, and the carbon dioxide emissions will exceed 51.6 million tons. According to statistics, its power generation has reached 62.4 billion kilowatts in one year, which is a great achievement! This shows that Baihetan Dam can not only meet China's growing energy demand, but also make great contributions to environmental protection.

Therefore, Baihetan Dam is a surprising and gratifying engineering miracle. It stands out in the world's hydropower industry with its huge scale, world-class technology, and stunning power generation capabilities. It not only showcases human wisdom and courage, but also reminds us to strike a balance between economic development and environmental protection. Therefore, the construction of Baihetan Dam is not only a feat of scientific and technological innovation, but also a practice of sustainable development.

Baihetan Dam: Big Big Energy Star and Economic Engine

The advantages of Baihetan Dam are numerous. It is not only the largest hydroelectric power station in the world, but its total installed capacity is also very astonishing -16 million kilowatts, and a single generator unit is also very amazing (1 million kilowatts), setting a world record. This means that Baihetan Dam can provide reliable clean power for millions of households and enterprises to meet the growing energy demand.

Secondly, Baihetan Dam has achieved many world firsts in technology and engineering construction. It has the world's largest underground cavern group and the strongest seismic resistance of a 300 meter high arch dam, as well as an unpressurized spillway tunnel and a large-scale cylindrical surge chamber. These technological breakthroughs and innovations have not only improved the efficiency and safety of hydropower stations, but also set new milestones for China's technological strength in the field of hydropower.

For China, Baihetan Dam has important strategic significance and far-reaching impact. First, it is an important part of China's clean energy development strategy. The operation of Baihetan Dam has further enhanced China's renewable energy power generation capacity, reduced dependence on traditional fossil fuels, reduced emissions of carbon dioxide and other greenhouse gases, and protected the environment and ecosystem.

Baihetan Dam is also of great significance for China's energy security, because it increases the diversity of China's energy supply, and also reduces the dependence on imported energy. As a representative of renewable energy, hydropower resources are one of China's abundant local resources. Reasonable development and utilization of hydropower resources can improve the independence and stability of China's energy, and ensure national energy security.

The construction of Baihetan Dam has also promoted the development of local economy and increased employment opportunities. In the process of hydropower station construction, a large number of engineering and construction personnel participate, providing employment opportunities and economic benefits.

At the same time, after the construction is completed, the local power supply is equivalent to being guaranteed, which can help promote the development of industries and the prosperity of the social economy in the local area. It is a great achievement of China's hydropower industry. Let's analyze its outstanding contributions to the optimization of China's energy structure and sustainable development. With the growth of China's energy demand, Baihetan Dam has provided a large amount of clean energy, reduced dependence on traditional fossil energy, helped reduce carbon emissions and environmental pollution, and promoted the development of green undertakings.

In addition, the construction of Baihetan Dam has also improved China's technical strength and international competitiveness in the field of hydropower. By overcoming technical difficulties in construction and innovating the application of advanced technologies, China's hydropower projects have reached international leading levels in terms of scale, efficiency, and reliability, demonstrating China's strength in scientific and technological innovation. It has also driven the development of the local economy and social progress. During the construction of hydropower stations, a large amount of investment and human resources were invested, which promoted the development of relevant industrial chains, employment and commercial activities, and promoted the prosperity of the local economy.

Overcoming Difficulties and Showing Strength: Construction of Baihetan Dam

However, before the establishment of this hydropower station, many difficulties were actually overcome. As mentioned above, its arch dam height is currently the highest in the world, which indicates that it is necessary to overcome the complex geological conditions and engineering construction difficulties of high mountain canyons during the construction process to ensure the stability and safety of the dam body. Secondly, Baihetan Dam has the largest underground cavern group in the world, and the length of the underground passage is more than 200km, which means that this must be constructed under the premise of very complex geological conditions to ensure the structural safety and stability of the cavern.

As a dam project, Baihetan Dam must have good seismic capacity. Due to earthquake being an unpredictable natural disaster, engineering design must fully consider the impact of seismic forces and take appropriate seismic measures to ensure the safe and stable operation of hydropower stations in the event of an earthquake. Its generator set is also the world's first generator set exceeding 1 million kilowatts, making it very difficult to maintain, manage, design, and manufacture the motor in the later stage. It is necessary to overcome the technical challenges of huge power and high efficiency to ensure the reliability and stability of the generator set.

The impact of hydropower station construction on the local environment and ecosystem is an important issue. During the construction of Baihetan Dam, a series of environmental protection measures need to be taken, including the protection and restoration of the ecological environment of the water area, the construction of fish migration channels, etc., to minimize the impact on the ecological environment. Therefore, before the construction of Baihetan Dam, a detailed ecological environment survey and assessment were carried out to determine the characteristics of the ecological environment and sensitive biological populations in the construction area.

During the construction, strict water and soil conservation measures were taken, including the establishment of protective forest belts, soil fixation and slope protection, and the setting of sedimentation tanks, to reduce soil erosion and water pollution. At the same time, the impact of reservoir impoundment on downstream water quality shall be strictly controlled during construction to ensure the stability of Aquatic ecosystem.

After the construction of the hydropower station, a water ecological environment monitoring system was established to conduct long-term and comprehensive monitoring and evaluation of the water ecological environment. Once abnormal changes in the environment are discovered, timely remedial measures should be taken to restore the balance of the ecosystem. At the same time, through wetland protection and restoration, increasing wetland area and improving wetland ecological environment, enhancing biodiversity.

The construction of Baihetan Dam has achieved a engineering miracle, not only demonstrating China's scientific and technological strength and engineering capacity in the field of hydropower, but also making great contributions to sustainable development and the promotion of clean energy. Its massive scale, world-class technology, and stunning power generation capacity will continue to provide reliable clean energy for China and the world, promoting a balance between economic development and environmental protection.

The successful construction of Baihetan Dam encourages us to continue to pursue scientific and technological innovation and sustainable development. Let's applaud this miraculous hydropower station, look forward to more similar feats, and bring more hope and possibility to our future!

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