1 20 t h split condensing steam boiler

Electric 1 20 t h split condensing steam boiler of the heating process since the water temperature in the steam boiler power rising bubbles and an evaporator heating surface of the metal wall temperature began to rise at any time, need to pay attention to thermal expansion and thermal stress temperature, the wall thickness of the bubbles due to the relatively thick, the main problem in the electric steam boiler is heated during thermal stress. At the same time, but also consider the overall thermal expansion problems, especially for the electric heating surface of the steam boiler tubes, because the wall thickness, length of problems in the heating process is thermally integrated for expansion, but also noted that the thermal stress and prevent because of the neglect caused the failure. Generating steam in electric steam boiler and boost heating process, the temperature difference between the bubble there is a temperature difference along the thickness of the vertical wall and, when the temperature is higher than the outer wall temperature of the inner wall, the upper wall surface temperature is above the lower case, to prevent excessive thermal stress, the boiler must be slow step. Electric steam boiler ignition during the boost process, the steam parameters of the boiler, the water level and the working conditions of the various components is constantly changing. Therefore, in order to effectively prevent the occurrence of abnormal conditions and other hazards, be sure to arrange professional staff to closely monitor a variety of changes in the meter indication. By adjusting the control pressure, some of the process parameters of temperature, the normal water level in the range of the allowable, but also the reliability of the assessment, a variety of security instruments, valves and other components, so as to ensure adequate safety and stability of electric steam boiler run. The higher pressure steam boiler electrical energy consumption will be higher and higher, the corresponding steam pressure equipment and piping, and the valve will also increase accepted, which also makes the protection needs of conservation relative increase steam boiler, and steam generated in the heat generation and transport processes and also increase the proportion wandered.

Before making a fire, the 1 20 t h split condensing steam boiler should check its valve water pipe, steam pipe, water level gauge, pressure gauge, safety valve and sewage valve, etc., whether it is in good condition or not and whether it can be used normally. Steam boiler water, should be softened first, and water quality should be clean, no impurities. The glass tube in the water table gauge shall have a strong protective cover outside it and shall be clean and tidy. Also observe the operation of the water level meter at any time, if there are any exceptions should be handled immediately.

Xuedong Academy of Sciences, has presided over the national key scientific and public relations projects, provincial and ministerial level more than 10 key research projects, National Science and Technology Progress Award 3, provincial and ministerial level scientific and technological progress award 11, published more than 60 papers. Has won the ninth China Youth Science and Technology Award, the third national outstanding scientific and technological workers, Chinese Mechanical Engineering Society of Youth Science and Technology Award and the honorary title, is the first and second level candidates national "millions of Talents Project." Twenty years of development, the Group, through remote monitoring system in the field of gas combustion wealth accumulated a wealth of data, it would be gold mine of knowledge for future cooperation;

Boiler excess air ratio increases, why steam temperature rises to follow? Excess air ratio increases boiler (originally assumed optimum excess air ratio), the temperature drop in the furnace, the heat radiation wall absorption reduction, the furnace exit gas temperature decreased slightly. Since the magnitude of the amount of smoke increases, the speed increase of smoke, the heat transfer coefficient of heat transfer temperature difference is greater than the rate of increase is reduced, so that the increase in heat absorption of the superheater. Since the increase in the amount of exhaust gas temperature and flue gas, q2 is increased, reducing the efficiency of the boiler, in the case where the same amount of fuel. Reducing evaporation, and therefore, the steam temperature rise. Generally, the excess air coefficient of 0.1 for each increase, steam temperature rise 8 ~ 1O ℃.

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