fire tube boiler in russia

Technical characteristics premix condensing fire tube boiler in russia furnace condensing premix premix combustion characteristic technical features: refers to a gas burner thoroughly mixed with enough air prior to the burner, it is no longer necessary to supply combustion air to the combustion process . 1) the combustion flame characteristics: flame propagation speed, high strength hot combustion chamber volume, generally up to 28 ~ 56x103kW / m2 or more, the excess air coefficient is very small, typically α = 1.05 ~ 1.2, the combustion temperature is high, low nitrogen oxides emissions. But poor flame stability, prone to tempering, tempering is prevented, so that as the gas flow velocity to be uniform field, to ensure that the air flow velocity at each point are greater than the flame propagation speed at the lowest combustion load. At the same time, a uniform air distribution surface also ensures the uniformity of the burner flame to avoid flame on the burner surface is too long, contact with heat exchanger surfaces resulting in incomplete combustion. 2) premix combustion mode effective to reduce the emission of pollutants, such as: the reduction of nitrogen oxides, carbon monoxide emissions. Features condensing heat exchanger of the main characteristics of the entire cast aluminum water-cooled design, the combustion chamber is surrounded by watercourses, effectively absorb heat, cooling the flue gas. The thermal conductivity of aluminum is 8 times that of stainless steel (aluminum: 130W / m ℃, stainless steel:.. 16.2W / m ℃), it gives greater leeway in the design of the combustion chamber and waterways. The corrosion resistance: aluminum is a reactive metal, under natural conditions, the aluminum oxide surface layer can be formed of a dense, acidic corrosion can be effectively prevented from corrosion and oxygen. China's abundant reserves of aluminum, lack of demand, leading to low prices, low melting point of aluminum, with a high fluidity at high temperature casting, casting and machining good performance. Flue gas top-down, bottom-up flow. Aluminum heat exchanger in a combustion chamber with a needle-like protrusions, grooves waterways with a heat exchanger, to optimize heat transfer effect, and effectively increase the heat load of the heat exchanger unit.

Gas fuel gas fire tube boiler in russia for comparing the air concentration, at the burning of the limits, if the flow rate of the combustible gas in the burner is lower than the burning velocity of the fuel occurs in the direction of the flame over the combustion, not only that, but also with the furnace temperature will rise between gas-fired boiler, the flame propagation speed will also speed up, so it is easier to produce tempered, tempering phenomenon occurs once, rescue team burner gas boiler damage, but also serious explosion occurred.

AMD Power were to buy 10 tons of steam and one 4 tons of steam condensing steam fire tube boiler in russia fuel gas from the company for cell processing company production and construction. From the analysis of the demand to the boiler factory, by the company solely responsible for AMD Power fully demonstrated the company's confidence in me, the smooth progress of bilateral cooperation.

The fire tube boiler in russia normally conforms to the designed boiler heating surface and exhaust temperature, the exhaust temperature is generally higher than the dew point temperature. In ultra-low load operation, the temperature of each part of the furnace decreases in varying degrees, and the final exhaust temperature will also decrease. It is easy to make the metal wall temperature of the low temperature heating surface lower than the dew point temperature of the sulfuric acid vapor, and the sulphuric acid steam will form dew on the low temperature heating surface, thus causing the corrosion of the low temperature heating surface.

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