Causes and hazards of boiler slagging? This product is non-toxic, non-flammable, non-explosive, and the pH is close to neutral. It has no corrosion to the boiler and does not deteriorate for a long time. If it is agglomerated due to long-term stacking, it will not affect the use effect. Reasons for the slagging of hotline boilers and their hazards? This product is non-toxic, non-flammable, non-explosive, and the pH is close to neutral. It has no corrosion to the boiler and does not deteriorate for a long time. If it is agglomerated due to long-term stacking, it will not affect the use effect. Sales Hotline Our company is mainly engaged in boiler decoking agent. The following describes the mechanism and hazard of boiler slagging: Black Ceiling Fan,Rustic Ceiling Fans,Farmhouse Ceiling Fan,Industrial Ceiling Fans JIANGMEN ESCLIGHTING TECHNOLOGY LIMITED , https://www.esclightingfan.com
In fuel, coal or oil, it always contains carbon, sulfur, water and other mineral impurities (especially fuel oil contains 82.5-86.2% carbon, 12.5% ​​hydrogen, a small amount of sulfur, oxygen, nitrogen and other compounds ). It is fully combined with O2 when burned, mainly producing carbon dioxide and water. If oxygen is insufficient, it will produce carbon monoxide, solid carbon particles and soot (the soot mainly contains sodium, magnesium, vanadium, nickel, iron, silicon, etc.). When it is burned, the flue gas formed constitutes the CO2-SO3-H2O air system. When it encounters various heat exchangers, the surface temperature is much lower than the flue gas temperature, so that various components in the flue gas are precipitated. On the one hand, it forms a highly corrosive sulfate and sulfite on the heating surface of the boiler, and on the other hand, adheres to the ash in the flue gas, and finally forms a ash which is not easy to fly and has a large viscosity on the heating surface of the boiler. According to the book "Heat Transfer" edited by Yang Shiming, the thermal resistance of boiler ash is about 400 times that of the heating surface of the boiler. It can be seen that the slagging has a great influence on the service life and heat transfer rate of the boiler.
Large-capacity power generation boilers and thermoelectric boilers have a much larger amount of coal, and the amount of ash and slag is much larger than that of industrial boilers. The ash residue increases with the increase of burning time and the change of coal type (high sulfur content and low ash melting point); causing the large coke to fall off automatically, causing fire extinguishing, furnace shutdown accidents, and even personal injury and death. Coking, ash accumulation and scaling cause great damage to boiler production.
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