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How much oxygen is normal in the flue gas of coal-fired boilers?

2021-03-05 09:29    page view:

Guide: In recent years, the Ministry of Environmental Protection and local environmental protection bureaus have taken strict measures to prevent and control air pollution and have issued stricter standards. Industrial enterprises, as the main body of pollution prevention and control, have also been included in strict environmental protection supervision. This year's "Government Work Report" of the two sessions has once again clarified the goal of reducing sulfur dioxide and nitrogen oxide emissions by 3%.

  In recent years, the Ministry of Environmental Protection and local environmental protection bureaus have taken strict measures to prevent and control air pollution and have issued stricter standards. As the main body of pollution prevention and control, industrial enterprises have also been included in strict environmental protection supervision. This year's "Government Work Report" of the two sessions has once again clarified the goal of reducing sulfur dioxide and nitrogen oxide emissions by 3%. For enterprises, strengthening pollution prevention and promoting green development is the only way for them to continue and develop well in the future, and there is no shortcut on this road.

  The expansion tank plays an important role in the hot oil circulation system: 1. Store the expansion after heating 2. Replenish the organic heat carrier 3. Discharge the gas in the liquid phase furnace and the system during the heating process 4. Inject the oil into the tank first during oil injection. It flows into the furnace system pipeline and plays the role of an intermediate tank. 5. Replaces the heating medium in the furnace with cold oil during a power failure. 6. The function of high supplementary pressure head. Xinli Boiler is not only responsible for providing users with high-quality gas boilers and coal-fired boilers. , Biomass boilers, heat-conducting oil boilers and other products, but also provide users with tailor-made boiler systems and a full range of services, including full-process installation guidance, 72-hour accompanying operation, boiler room customization and other services.

  There are many industrial boiler companies in my country with different design levels. Most of them lack R&D and innovation capabilities. Companies generally lack R&D investment and lack of R&D innovation methods. Less than 10% of companies have R&D capabilities. As a pioneer of domestic industrial boilers, Xinli Boiler has a professional R&D team, 20 years of dedicated research and technology, and more than 50 patented processes. The boiler products produced cover oil and gas boilers, coal-fired boilers, biomass boilers and heat-conducting oil boilers. The products have excellent performance and high safety guarantee, winning the favor of all walks of life.

  Gas-fired steam boiler is a thermal energy conversion device that uses natural gas, liquefied gas, city gas and other gas fuels as fuel. The heat released in the furnace heats the water in the boiler and vaporizes it into steam. The water in the pot (drum) is continuously heated by the energy released by the combustion of the gaseous fuel in the furnace to increase the temperature and generate pressurized steam. Because the boiling point of water rises with the increase in pressure, the pot is sealed, and the expansion of water vapor inside is restricted to generate pressure to form thermal power. Strictly speaking, the water vapor of the boiler is water heated to saturation in the drum at a constant pressure. It is formed by revaporization of water and is widely used as an energy source.

  The amount of oxygen in the flue gas of coal-fired boilers is normal. The SZS series boilers that won the bid this time are Xinli’s environmentally friendly products. The large furnace design is matched with advanced low-nitrogen burners at home and abroad to achieve the NOx content in the boiler flue gas emissions below 30mg. /m3; The combustion chamber adopts a narrow-pitch tube membrane water wall, which has good air tightness. With the energy-saving device at the end of the flue, the thermal efficiency can be as high as 98%; in addition, the high temperature zone of the boiler body adopts forced circulation to ensure that all parts are heated The surface can be reliably cooled and prevent vaporization, and the arrangement of explosion-proof doors and flame detectors ensures the safe and reliable operation of the boiler.

  The oxygen content of the flue gas of coal-fired boilers is normal, and scientific and technological innovation is used to guard the blue sky and white clouds, and to practice ecological civilization with practical actions. Facing the future, Xinli Boiler will continue to increase innovation and extend the industrial chain to help my country's air pollution control continue to "upgrade and upgrade", and contribute more "new power" to the construction of "beautiful China".

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