3, high-pressure boiler
1, hypoxia combustion: gas pressure suddenly becomes larger, the absence of oxygen combustion prone, resulting in incomplete combustion of gas, carbon monoxide, smoke appears, there is loss of thermal efficiency gas boiler.
2, from the fire: if the gas pressure, the gas stream will cause the gas velocity greater than the burning rate, the flame away from the fire resulting from the flame hole edge called on to develop from the fire. This situation will result in flame or combustion instability, and even lead to security risks. General machinery comes with a high-pressure blast burner control, when the gas pressure exceeds a defined value the active flame protection.
3, the combustion peroxy: this occurs in the gas pressure is reduced, excess air appears, nitrogen and oxygen in the air reaction, resulting in excessive emission of nitrogen oxides.
4, tempering: If the gas pressure is very small, it will cause the gas flow velocity is less than the gas combustion speed, causing the flame tempering, influence the safe operation of the burner. General machinery blast burner comes with a low pressure control, when the gas pressure exceeds a defined value the active flame protection.
Henan gas industrial steam output boiler safe operation of the precautions and instructions for use Q: Henan gas boilers due to its high efficiency, energy saving, environmentally friendly features to be recognized, is now the production company of choice for the device, its safe operation is particularly important, how can we ensure Henan gas boiler safe and stable operation of it? A: 1, Henan gas boiler properly regulate the operation due to the accident caused by improper operation of the boiler is very common, so this is required by law to operate strictly by professional fireman personnel operating procedures in accordance with the provisions of the boiler in Henan gas boiler running. 2, strict management Henan gas boiler room boiler room is nowhere to put the boiler, furnace room security is directly related to the safe operation of the boiler, boiler room open flame is prohibited, but also equipped with fire fighting equipment, Xianzarenyuan prohibited. 3, to deal with any emergency situation right thing is not a hundred percent safe, if an emergency situation occurs during the operation, we must plan well in advance to predict, such as water, electricity, fuel stops, pressure or inadequate equipment failures and other issues, to We have the ability and can be solved in time. 4, employee security awareness training regularly conduct boiler safety training to employees, promote employee safety awareness to develop. 5, Henan Science and gas shutdown maintenance safe operation of Henan gas boiler maintenance work is very important, Henan gas boiler maintenance can not only extend the life of the boiler, the safe operation of the gas boiler in Henan plays an important role.
In recent years, Ningbo municipal government attaches great importance to environmental protection, air pollution prevention and control work to strengthen the organization and leadership, the establishment of a multi-sectoral collaboration to air quality at the core of the atmospheric environment management systems. And introduced a new quality of atmospheric environment deadline for compliance plan, as follows.
Strict implementation of total coal consumption control, to further optimize energy consumption structure, strive to 2020, coal consumption accounts for the proportion of primary energy consumption control in about 40% of coal consumption is not higher than 2011 levels, and completely cut coal province issued the task .
Strengthen management work focused on coal-fired projects, continue to promote the elimination of the transformation of small coal-fired boilers. 2019, phasing out 10 steam tons / hour of coal-fired boilers and, in 2020, the county level and above urban area basically eliminated tea furnace, operating a stove, grain storage and drying equipment, coal-fired facilities; basically eliminated the city's 10 -35 steam t / h coal-fired boiler; 35 t steam / hour and more polluting fuels and ultra-low emissions energy boilers complete transformation.
Strengthening coal quality control, within the city limits the use of ash> 16%, sulfur> 1% low-quality coal, fuel encourage high value, low sulfur, low ash blending works. 2019, the establishment of the city's coal regular testing, sampling tests system. In 2020, the city's clean coal utilization rate of 90%.
Increase natural gas use, and actively promote major infrastructure construction official website of natural gas, LNG receiving station and other utilization of natural gas, natural gas Daly improve utilization levels.
Enhance the energy efficiency of industrial enterprises. Actively promote advanced energy conservation projects integrated coal demonstration projects, large-scale generating units coal consumption reached the advanced level of the same type of unit.
Development of central heating, central heating project to optimize the layout, promote industrial parks focused on central heating. Focus on industry gathering area, industrial park development of cogeneration, and encourage qualified development of thermoelectric cooling area for the triple. Further improve the matching of heating pipe network, construction of efficient, fast heat pipe network. 300,000 kilowatts and above cogeneration power plant 15 kilometers behind the small coal-fired boilers and coal-fired thermoelectric heating within a radius of all closed down integration.
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Designing these large boilers for capacities up to 1,000,000 lbs/hr steam output and pressures up to 1,000 PSI can help meet the needs of any large industrial application. A heat recovery steam generator, or HRSG, is an energy recovery heat exchanger that recovers heat from a hot gas stream. It produces steam that can be used in a process or used to drive a steam turbine.Learn More
Steam boiler skimming | Mechanical Hub | Hydronics. Skimming a steam boiler is the process of removing any oil from the water volume. If not completed properly, the presence of oil can cause the boiler to surge, as the Boiler Engineer Practice Questions Fall 2016 Start studying Boiler Engineer Practice Questions Fall 2016.Learn More