Applications of Air Compressors in Nuclear Power Industry.
Applications of air compressor in nuclear power plants
Common applications of air compressors in the nuclear power plants include:
- Containment pressure test
- Containment overall sealing test
- Instrument air
- Pipeline pressure testing
- Reactor core cooling
- Steam turbine cooling
- Detect helium leaks
- Dry air purge (to prevent corrosion of secondary cooling circuit and turbine)
- Offshore bubble curtain (to prevent marine life from invading the water intake)
The roles of air compressor in nuclear power plants
In fact, air compressors play many roles in the nuclear power plants. Here are some of the main aspects:
- Air power: Air compressor can provide compressed air as power for some equipment in the nuclear power plants. This is particularly important in the nuclear power industry because many instruments and safety equipment rely on compressed air to operate.
- Gas conveying: Air compressors can be used to transport gas to various equipment and systems, such as nitrogen, hydrogen, carbon dioxide, etc.These gases are needed for various purposes in the nuclear power industry, such as pneumatic equipment, cooling systems, uranium oxide and immersion processes, protection and sealing, etc.
- Vacuum system: Oil-free air compressors can be used to establish and maintain vacuum systems. In the nuclear reactors, vacuum systems are used to control reactions and dissipate heat.
- Wind tunnel experiment: Oil-free air compressors can be used to conduct wind tunnel experiments to simulate the performance and behavior of nuclear power equipment under different conditions. Such experiments require high-precision and high-stability gas supply.
- Pneumatic conveying: Air compressor can also be used for material conveying. For example, in nuclear fuel processing plants, gas compressors are often used to transport row materials or natural gas to different processing systems.
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Necessity of air compressors in the nuclear power industry
Nuclear power plant overhaul is an important means to ensure the long-term safe and reliable operation of the plant. The most critical step is to open the sealed containment of the reactor pressure vessel to inspect and maintain the main equipment and pipelines inside.
The containment is the most important shielding and protection facility in a nuclear power plant. Its leakproofness is directly related to the isolation of radioactive materials inside and outside the station. The process of opening the containment requires strict control of the working environment to ensure that radioactive materials will not leak out.
This requires the air compressor system to provide and maintain a stable negative pressure environment inside the containment to ensure its air-tightness and that radioactive materials will not leak out. This is a prerequisite for nuclear power plant maintenance work.
In addition, oil-free air compressor can provide a clean, pure environment for some nuclear power equipment to operate. (For example, any contaminants or impurities may be dangerous to the reactor and its surroundings.)
Advantages of using air compressors in the nuclear power industry
In the nuclear power industry, the safety and reliability of equipment are extremely high. Kotech diesel air compressors, with their stable performance, ensure that during the construction and operation of nuclear power facilities, high-quality compressed air can be continuously and stably provided to ensure the normal operation of nuclear power systems.
It is particularly noteworthy that the mechanism to suppress nuclear reactions should not rely on electricity to operate, and compressed air is the ideal answer. Because electrical energy is hard to be stored in large quantities, if the generator fails, there is no power to start and operate safety equipment. Therefore, for safety reasons, safety protection equipment is often air-driven.
Compressed air can be stored and does not create a risk of fire or sparks like electricity. It can be used immediately and does not pose a risk of electric shock like electricity. Therefore, people prefer to use pneumatic tools instead of electric tools in dangerous environments. And pneumatic tools are generally lighter and more wear-resistant than electric tools.
Kotech compressor oil-free energy-saving solution for nuclear power plant
A nuclear power plant in China adopted Kotech oil-free air compressors to complete the overall pressure test of the containment. The data acquisition module was installed to collect data and analyze the system, which greatly improved the system stability and reliability of the experiment.
In this sealing test, Kotech Compressor provided 12 sets of top-level oil-free air compressor units, strictly implementing high-standard operating procedures from site investigation, equipment entry, installation and commissioning, and gas supply pressure test.
In the overall sealing test of the containment, the oil-free air compressor equipment provided by Kotech Compressor showed excellent performance, providing high-quality and stable compressed air, stable and reliable, low gas consumption, and low dew point, which provided a strong guarantee for the success of the test and subsequent stable operation.
The project party highly praised the performance of Kotech oil-free air compressor. With this successful cooperation with the nuclear power plant, Kotech Compressor not only proved its excellent professional ability, but also earned precious experience in the nuclear power industry.
How to choose suitable air compressor for a nuclear power plant
There are many different types of air compressors. One of the most common types is the rotary screw air compressor. In addition, there are piston air compressors, scroll compressors and centrifugal compressors.
Each type of air compressor has different advantages and application ranges, so when choosing an air compressor suitable for nuclear industry applications, you need to take into account its specific application needs.
When choosing an air compressor, you need to consider the following factors:
- Quality: Air compressors need to have high-quality performance and stability to ensure that they can meet the needs when used in the nuclear power industry. Such as oil free centrifugal compressor, suitable for high flow rate and middle pressure applications.
- Adaptability: Oil-free air compressors need to adapt to various application scenarios in the nuclear power industry and provide appropriate compression or supply capabilities.
- Safety performance: Since the nuclear power industry has very high requirements for safety, oil-free air compressors need to have high safety performance, including preventing leakage and avoiding accidents.
- Maintenance and after-sales service: The maintenance and after-sales service of oil-free air compressors are very important especially for the air compressor filters. Because when problems arise, it is usually too late to solve.
In general, the application of oil-free air compressors in the nuclear power industry can be customized according to actual needs and scenarios, and the appropriate air compressor manufacturer should be selected by comprehensively considering factors such as cost-effectiveness and after-sales service.
Air compressors in the power industry
Electricity is one of the most important energy sources in a country, and all forms of power generation require the support of air compressor systems.
In thermal power plants, air compressors are mainly used for instrument compressed air systems, factory miscellaneous compressed air systems, water treatment compressed air systems, and ash removal compressed air systems.
The operation of thermal power generating units requires a large number of control instruments to support operations, and the actions of these control instruments are all achieved by compressed air.
The factory miscellaneous compressed air system is mainly for purging pipelines, etc. The water treatment compressed air system is generally divided into boiler feed water treatment and industrial wastewater disposal.
