شیرها اجزای مهمی برای کنترل جریان و فشار محیط هستند و عملکرد کنترلی مهمی دارند. در مهندسی قدرت, شیرها به طور گسترده در خطوط لوله سیال مختلف برای کنترل جریان استفاده می شوند, فشار را تنظیم کنید و از جریان برگشتی جلوگیری کنید. The special requirements of power engineering such as pressure, temperature, density and medium also make valves more demanding.
Main applications in the power industry
In the power industry, valves are widely used, mainly including electric regulating valves and special valves for power stations. The application of valves in the power industry covers many aspects from boiler control to flue gas emission control, ensuring the safety, stable operation and energy efficiency optimization of power equipment.
1.Electric regulating valve
- Boiler control: used for water level control, pressure control, temperature control, و غیره. in the boiler system. By adjusting the valve opening, the fuel supply, water flow and other parameters are controlled to ensure the stable operation and efficiency optimization of the boiler.
- Generator control: used for the flow control of cooling water, lubricating oil and other media in the generator set. By adjusting the valve opening, the normal operating temperature and lubrication state of the generator are maintained.
- Steam control: used for flow, temperature and pressure control in steam systems, and the valve opening is adjusted to ensure stable operation and energy regulation of steam systems.
- Flue gas emission control: used in flue gas emission systems of power plants to adjust the flow and temperature of flue gas to meet environmental protection requirements.
- Energy recovery: used in energy recovery systems in the power industry, and the flow and temperature of recovered fluids are controlled by adjusting the valve opening to achieve energy recovery and reuse.
2.Power station special valves
Also known as power station valves, are mainly used in pipelines of various systems in thermal power plants to cut off or connect pipeline media. These valves are suitable for non-corrosive media such as water and steam, and have the characteristics of high temperature and high pressure. The unique self-sealing design makes it more reliable to seal under high pressure.
Common valves in power engineering
- Shut-off valve The shut-off valve is a common valve that can be used to cut off or open the flow of media in the pipeline. در مهندسی قدرت, shut-off valves are usually used to open and close pipelines and regulate flow.
- Regulating valve
The regulating valve can adjust the medium flow or pressure in the pipeline according to the working conditions. در مهندسی قدرت, regulating valves are mainly used to control and regulate fluids to ensure the smooth and safe operation of equipment. - Check valve
The check valve is mainly used to prevent the backflow and reflux of the medium and ensure the one-way flow of the fluid in the pipeline. در مهندسی قدرت, check valves are often used to protect equipment to avoid damage to the equipment after the medium stops flowing. - شیر پروانه ای
The butterfly valve is a valve with a simple structure and light weight, which is mainly used for the opening and closing of pipelines and flow regulation. در مهندسی قدرت, butterfly valves are often used to accurately control the flow to meet the requirements of equipment operation.
به طور خلاصه, The application of valves in power engineering is very extensive, involving many aspects such as fluid control, pressure regulation and equipment protection. With the development of power engineering, the types and complexity of valves are becoming more and more diverse, and the requirements for valve performance are becoming higher and higher. از این رو, mastering the types, structures and characteristics of valves is very important for the actual operation of power engineering.
Farproyuanda valve manufacturer is a leading manufacturer of high, medium and low pressure valves integrating R&D, production and sales, and is a participant in the formulation of valve industry standards. Farproyuanda valve manufacturer has subsidiaries in the United States and South Korea, and has established long-term and stable cooperative relations with internationally renowned companies such as Crane in the United States, Yamato in Japan, and Hausslav in Kazakhstan. Its products are exported to more than 40 countries and regions including Europe, America, Russia, Japan, South Korea, برزیل, آسیای مرکزی, و غرب آسیا, and are deeply trusted and praised by customers.