Hot water boiler in the school dormitory and classroom building are generally used for central heating, drinking water and bathing water aspects of teachers and students and so on. Shanxi Linxian County high school is an important educational school personnel training for the community. 2017, the school responded positively to national coal to gas and other environmental policies, but also to provide students with a more favorable living and learning environment, the school decided to phase out conventional coal-fired boilers, clean and environmentally friendly replacement for the gas boiler. After getting to know and choose the boiler industry, major companies, determined cooperation with professional production of clean fuel boiler fast boiler-by-side to provide a fast 4.2MW integrated condensing gas hot water boiler (WNS4.2-1.0 / 115 / 70-YQ).
When selecting and purchasing boiler sensors, we should consider which types of boiler sensors should be determined according to the measuring object and the measuring environment. The principle of the sensor must be considered first, which requires an analysis of various factors before it can be determined. According to the characteristics of the sensor to be measured and the conditions of use of the sensor, consider the following specific issues, the size of the measuring range, the measured position of the sensor volume requirements, the measurement mode of contact or non-contact, the method of signal extraction, Wired or non-contact measurement, the source of the sensor is imported or home-made and many other factors. The second is the choice of the sensitivity of the boiler sensor, usually within the linear range of the sensor. The higher the sensitivity of the sensor, the better, when the sensitivity is high, the output signal corresponding to the measured change is larger, which is beneficial to signal processing. The sensitivity of the sensor is directional. The sensor with low sensitivity in other directions should be selected when it is a single vector and its directivity is high. If the sensor is measured as a multi-dimensional vector, the lower the cross-sensitivity of the sensor is, the better.
After a boiler shutdown, how maintenance? Technical personnel, the maintenance shutdown of the boiler, furnace maintenance is divided into external corrosion and pot. Corrosion maintenance pot, according to the duration of the shutdown has dry and wet maintenance maintenance two kinds.
Gas-fired steam boilers dominate the boiler industry by saving energy, environmental protection and durability. Through advanced scientific and technological improvement, energy conservation and emission reduction have been improved. And domestic professional gas-fired steam boiler not only improves the heat absorption strength of the boiler, but also satisfies the demand of thermal expansion on the hot surface. The specific reasons why gas-fired steam boilers are popular with users can be found in the following sections:
1: the use of cleaner gas-fired steam boilers with a more environmentally friendly environment in use, the reputation of natural gas as a "clean fuel" and the absence of harmful gases and dust from the combustion process, Therefore, there will be no pollution burden on the air and the environment. Carbon dioxide or smoke produced by traditional coal-fired boilers not only affects air quality but also affects physical and mental health. Therefore, the use of gas-fired steam boilers is environmentally friendly.
2: the thermal efficiency reaction of a gas-fired steam boiler with high thermal efficiency is relatively faster than that of other boilers because it uses pure natural non-polluting natural gas as a combustion fuel with high thermal energy. The fire stimulates the rapid conversion of heat and causes water to release steam continuously in the pot. Compared with other coal-fired and fuel-fired boilers, the thermal efficiency is the fastest and most effective.
3: more intelligent operation of gas-fired steam boiler does not require manual complex operation of the whole process using intelligent automatic control. All working processes can be easily used by setting all the parameters in advance. Gas-fired steam boiler can start and stop automatically and automatically adjust the load to feed water according to the requirements of user design. Any abnormalities during operation can also enable self-diagnostic interruptions to fire an acousto-optic alarm.
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