Boiler feed water contains various impurities and the calcium and magnesium ions, the formation of scale down the long run. Scale very low thermal conductivity, when the heating surface fouling, increased thermal resistance, boiler exhaust gas temperature rise, heat losses will increase. In general, the heated junction 1 mm scale, heat losses will increase 2% -4%.
Since I began preparations for the 2018 ASME certification program, and at the beginning of the project preparation work since January this year, the project has entered a crucial stage of the implementation. Ms. Jiang Lianju quality system under warranty division led to ASME certification were careful overall planning work to develop a detailed plan of the evidence, and careful organization departments to participate in the work of the various stages of implementation.
1, it is determined boiler output: output one ton boiler 600,000 kcal, and so, the gas boiler 4 tons output is 240 million kcal, output 10 tons of gas boiler 600 million kcal.
2, the heat value of the fuel is determined: the heat value of natural gas is generally 8400 kcal per cubic meter, diesel calorific value is 10240 kcal per kg.
3, the thermal efficiency of the boiler is determined: the thermal efficiency is determined by the area of the heating boiler.
4, the calculated fuel consumption: fuel consumption efficiency of the boiler heat output = ÷ ÷ boiler fuel heating value.
Which improve the efficiency of two coal-fired heating heating system (ie boiler efficiency and network transmission efficiency) is the key to energy conservation, and in strict accordance with the relevant points to achieve rational use of machinery and equipment for better efficiency measures szs boilers have heating effect and improve equipment operating efficiency, and more reliable consumers want to improve the efficiency of heating boilers Shenzhen should also follow this principle. (1) improve the efficiency of the boiler szs. Rated efficiency of the boiler thermal efficiency of the boiler is not just the individual, but the seasonal efficiency of the boiler. In order to improve the seasonal efficiency of the boiler, should be reduced as much as possible to start SZS boiler heating period, down time and standby time. But this is because every time by clearing the speed of boilers, boiler stop calorie consumption, standby time is the heat sink can cause considerable damage. In order to improve the seasonal efficiency of the boiler unit, select the type of boiler it is very important. When choosing the type of the boiler, the boiler must consider how a variable load combination has a better ability to regulate, and how to improve the minimum output of the boiler to match the smallest possible load. (2) improve the transmission efficiency of the network. Factors Affecting SZS network transmission efficiency boiler there are three, i.e., heat loss insulation, heat losses and leakage of heat loss caused by the hydraulic disorder, wherein the heating system heat losses and the level of external network unbalance unbalance vertical heat loss very serious. Boiler pipe network outside the level of imbalance and indoor heating systems is the loss of a large vertical imbalance in the ratio of heat so I want to improve boiler efficiency must improve the efficiency of network transmission Shenzhen. At present, higher energy costs, thus reducing the boiler heat loss network is very important. In order to reduce heat transport pipe network losses, SZS boiler hydraulic balance system should be used, and temperature control system.
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