10 bar atmospheric pressure 2mw natural gas hot water boiler

2. Oxygen corrosion

For the biomass fuel boiler pressure parts,the water side is mainly electro chemical corrosion,the fire side (or flue gas side) is mainly chemical corrosion.The oxygen corrosion belongs to electrochemical corrosion, it is mainly caused by the dissolved oxygen in water.At room temperature,the dissolved oxygen concentration is about 9.1mg / L,according to the GB1576-2001 “industrial boiler water quality” requirement ,the rated steam pressure should not be more than 1.0MPa,the dissolved oxygen concentration should not be more than 0.1mg / L,otherwise,it is likely to lead to metal corrosion.

Natural gas boiler thermal efficiency is about how much? Thermal efficiency natural gas boilers are generally much? High efficiency boiler heat a little better or a little lower good? Thermal efficiency and what factors? About thermal efficiency natural gas boiler, we selected a few popular question to answer. First of all, we have to understand, what is the thermal efficiency natural gas boilers. Simply put, fuel combustion releases heat, to transfer the water in the boiler, the heat transfer ratio is called the thermal efficiency. Common thermal efficiency of coal-fired boilers 70% to about 85%; oil, gas, electric thermal efficiency of the boiler 90 to about 99%; the use of the premix, the flue gas recirculation techniques of FGR can reach 100 to 108%.

Brief characteristics of coal-fired boilers and gas boilers difference: one is the most common category of boiler coal-fired boiler and gas boiler, although it is more consistent in showing the effectiveness of the integrated, but in the specific combustion, combustion products and there is a huge difference on the specific operating requirements and work processes, the following article will be brief characteristic differences coal-fired boilers and gas boilers for everyone. First, the coal-fired boiler combustion grate firing combustion, coal fired by a plane conveyor chain grate, complete combustion process in the furnace. While the combustion gas boiler combustion chamber, the gas is mixed with air in advance is set in proportion to the burner, injected into the furnace through a nozzle, the torch was installed in the furnace to complete combustion. Second, the automatic control of the force due to coal-fired boilers factors coal, coal seam thickness, the amount of blowing, the wind amount, and the air volume distribution grate speed limit, to be difficult to automatically adjust the operating parameters of the boiler according to the load. And high-quality gas boilers less impact on factors, may only be adjusted according to the size of the fire burner load, easy to achieve automatic control. Third, the combustion products of coal mainly by c, H, 0, N, and other elements composed of ash and water, but not the mechanical mixing of these components, but a very complex compound.

Comrade He Jinping other fast group deepen in the production of special equipment, "two of integration" of the premise, adhere to the "quality first" to develop stringent quality control standards appreciated. In the accompanying leader of the companies have received the "Mayor Quality Award" honors, while the market share rising, Vice Governor He could not help nodding, and the president of AC current market conditions boiler. He Jinping former comrades came to the company remote monitoring platform for all kinds of dynamic data displayed on the screen of a preliminary understanding of, and consulted with the current operating mode remote monitoring of boiler and means of achieving in energy conservation, safety production. Downstream of the enterprise carried out "intensive" in the boiler market, focusing special equipment product lifecycle management practices fully affirmed.

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