industrial 5000 kw horizontal boiler for sale

(DB44/765-2019)

Recently, Guangdong Province issued a "Boiler Air Pollutants Emission Standards" (DB44 / 765-2019) (hereinafter referred to as the "standard").

A "standard" in the context of the implementation province domain for coal, oil, 65 tons of steam per hour and the material forming steam boiler burning fuel gas and raw, hot water boilers of various capacities and organic heat carrier boiler; stoker of various capacities, stoker furnace.

Second, the implementation of the emission limits of air pollutants specified in Table 1 of the boiler since July 1, 2019, since 2020 July 1 implementation of air pollutant emission limits specified in Table 2.

Third, the new boiler since April 1, 2019 (the date of the present embodiment standard) executed from air pollutants emission limits specified in Table 2.

Fourth, not the implementation of clean energy transformation of 35 tons of steam per hour and higher coal-fired boiler from January 1, 2021, implementation of the provisions of air pollutants emission limits in Table 3 in particular.

What harm grate steam industrial 5000 kw horizontal boiler for sale slagging cause? Steam boiler slagging will not only increase the workload of boiler operation and maintenance and overhaul, seriously endangering the safety and economic operation, but also may force the furnace to reduce load operation even forced shutdown. Slagging itself is a complex physical and chemical processes as well as automatically increasing features, once the boiler slagging occurs, since the thermal resistance of the heat transfer deterioration of the slag layer, the slag layer in the furnace and the die temperature are elevated surface temperatures, coupled with slag layer surface roughness, adhesion of slag particles up easier, slagging process results will be intensified. Following a brief set out the harm caused by steam boiler slagging. 1, after the heating surface slag, thermal resistance will increase, decrease heat transfer, reduced working fluid to absorb heat, the exhaust gas temperature increases, to increase heat losses, boiler efficiency is lowered. To maintain the normal operation of the boiler, while increasing the amount of fuel flow rate must be correspondingly increased, which makes the feed, increased loading draft fan, increased auxiliary power, therefore, the economy of slagging steam boiler significantly reduced. 2, when the heating surface slag, in order to maintain the normal operation of the steam boiler, the air flow must be increased. If the ventilation capacity is limited, together with the flue gas channel tends to slagging partially plugged, the flue gas resistance increases, it is difficult to increase the fan flow, forced to down-load operation. 3, the heating surface slagging furnace exit gas temperature rise, resulting in overheating temperatures, combined with thermal excursions caused by slag, Superheater easily cause damage. In this case in order to maintain the temperature and overheating protection reheater, the need to limit movement of the load. 4, slagging combustor nozzle, the outlet stream to change the structure of the burner, so that the condition of the Aerodynamic damaged, affect the combustion process. Severe slagging spout while being blocked, the steam boiler had to down load operation or forced shutdown. 5, water wall slagging, so that it will be unevenly heated parts, adversely affect the safety and control of the flow of hot water wall deviation natural circulation water circulation, may lead to destruction of the waterwall tubes.

(4) The water level gauge and the safety valve fail, and the industrial 5000 kw horizontal boiler for sale cannot be operated safely.

(5) When the drain valve fails and the control valve is closed tightly.

Hot water industrial 5000 kw horizontal boiler for sale does not use softened water What are the hazards? In hot water boiler, if not need to have softened, then what would be the tail number, this furnace in terms of this? Or need to bring this problem, the reason is very simple, because the bottom will be for this problem to carry out the actual discussion, easy and everybody can clearly figure out, do not leave all doubts. Hot water boiler, which does not use softened water was then damage to the furnace, resulting in adverse effects in other words, the key is following this, it actually is: a hurt: if fuel savings, hot water boilers do not use softened water was then prone to fouling its internal situation, thereby promoting the thermal conductivity of the furnace heating surface is reduced, calories can not carry out the transfer immediately, only to be brought smoke. Thus, the willingness to ensure the heat is worth, then, is bound to fuel more investment material. Thus, leading to savings in fuel. Damage to two: furnace heating surface damage, even if is destroyed, the furnace soot and hot water boilers, then rises in temperature, it will make the temperature difference between both sides of the heating surface increases, which for the heating surface, it is a is not good. If, there is pressure within the furnace was then, the wall thickness is from the package there will be even split. Thus, the heating causes surface damage. Damage to three: reduce the furnace output in hot water boiler, because there is no application of demineralized water, it will cause fouling problems, and saving on fuel. This is for the furnace output, is a very bad influence, it will be due to the decrease. Therefore, this is one must pay attention to the region. Injury four: If priming, the water in the heating furnace with more sodium chloride, sodium phosphate, lubricating oils and silicide, or the water is an organic compound and a base to produce the saponification reaction to give, then, when the furnace water to a boil volatile, its level will appear at the end of the bubble, thereby creating a priming this situation problem. Hurt five: the destruction of the water cycle for the furnace water heating furnace, in which the amount through the bad, must be balanced. If you have a furnace fouling situation was, then make the water vapor pressure to expand. Further, no problem of damaging any water through the bad, and causes the alloy wall temperature. What's more, prone to burst pipes condition, immediately to the Security Council threaten the operation of the furnace.

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