We not only have to master in the purchase of gas-fired various boiler working principle when certain skills, choose to suit their own business needs of boiler equipment, but also important to note that when installing the boiler, let boiler to play its true role in the running.
1, before the construction of gas-fired boiler room, must first obtain the consent of local quality and technical supervision section; boiler should have a separate boiler room, and installed in ventilation, cooling, easy to operate and easy place to smoke, not near flammable Explosives; electrical installation technicians should be installed in accordance with the requirements of the relevant national standards, and N and L error can not be connected. When using gas as fuel, explosion-proof electrical equipment should be installed, switchboard should more than 6 meters away from the pan.
2, gas boilers after installation, should inform the local special equipment maintenance department. After acceptance of relevant departments qualified to obtain a certificate allowing the use of the boiler. But be warned: the volume of 30L or less than the vapor pressure of less than 0.1L boiler belong to the state exemption range without the use of a certificate issued by the boiler can also be used.
March 19, 2019, Tangshan, Hebei Province, the city government official held "2019 Tangshan depth control key industries scientific and technological achievements Matchmaking" meeting the cement industry on air pollution emissions caps mobilization discussion. According to the news conference, Tangshan City Cement companies need before the end of September this year will be dust, sulfur dioxide, nitrogen oxides are controlled to not more than 10mg / m³, 30mg / m³, 50mg / m³. Official documents will be introduced in the near future.
It is reported, as early as in September last year, Tangshan cement industry in particular has a value of air pollutants emissions of nitrogen oxides emission concentration is less than 50mg / m³ proposed.
September 3, 2018, Tangshan Municipal Government issued the "ecological environment in Tangshan depth remediation tackling month action plan", "plan" industrial enterprises in pollution control, discharge of pollutants in the cement industry to make the following requirements: single production of raw grinding material, bag filter employed; one mill kiln production process, humidification tower may be used - electric precipitator dust collection system, dust emission concentration ≤10mg / m³. Rotary kilns for cement kiln and, preferably high dust coating, conditioning tower may be used - electric precipitator, dust emission concentration ≤10mg / m3, the concentration of sulfur dioxide emissions ≤50mg / m3, nitrogen oxides emission concentration ≤ 50mg / m3.
A large number of accidents showed that gas furnace or various boiler working principle flue site of an explosion because of the accumulation of the furnace or flue gas and air mixture, or encountered fire caused by high temperature heat source, and the combustible mixture is clearly mixed gas from the air Forming. Therefore, to prevent the core gas boiler explosion is to prevent the boiler is not running (the furnace flameless) gas into the furnace; and to be noted that, when the boiler starts to be "fire and other gas", i.e., the first gas supply reignition forming source .
The Fangkuai various boiler working principle believes that the correct adjustment of the supply and draft air volume is conducive to environmental protection, and it can also save energy under certain conditions. The Fangkuai boiler can first determine the suitable value of carbon dioxide or oxygen at the measuring point above the adjustment of the supply air volume. It is then compared with the measured value to determine if the supply air volume needs to be adjusted. If the boiler and flue are running under negative pressure, the outside air will leak into the flue from the wall or door of the furnace, obviously to the back of the flue, in the smoke. The higher the value. Therefore, when monitoring the supply air volume of boiler with carbon dioxide meter or oxygen meter, the influence of air leakage before measuring point should be considered. In order to determine the appropriate value of carbon dioxide or oxygen at the test point, it is difficult for the boiler to obtain the best excess air coefficient exactly in actual operation. The general regulation is to reduce the air flow as much as possible, that is to say, the manager reduces oxygen or increases carbon dioxide as much as possible, on the premise that there is no flame, dark red instability or black smoke in the combustion. In addition to adjusting the air flow into the furnace, attention should be paid to adjusting the air distribution. Negative pressure is one of the most important operating parameters in Fangkuai boiler. In normal operation, the negative pressure at furnace outlet should be 20? 30 Pa. If the furnace negative pressure is too high, it will cause the furnace and flue If positive pressure appears in the furnace, the flame and smoke in the furnace will be sprayed out of Shanghai, which will not only affect the environmental hygiene, but also may occur personal burn accident. 3. The heat loss of exhaust gas will be increased by the increase of air leakage, and the power consumption of the induced fan will be increased, if the furnace pressure is positive, the flame and smoke in the furnace will be sprayed to Shanghai. Therefore, in the process of combustion adjustment, it is necessary to adjust the air diversion site according to the change of furnace negative pressure in order to keep the furnace negative pressure in a normal value while adjusting the fuel quantity and air supply. When the boiler increases the load, it must first increase the draft air volume, then increase the supply air volume; on the other hand, when the boiler load drops, it must first reduce the supply air volume before reducing the draft air volume. Finally adjust the furnace negative pressure to the required value. Yes There is no draft air volume adjustment problem in micro positive pressure combustion boiler. Fangkuai boiler air volume regulation is easy, can easily meet your needs, sincerely welcome you to consult and negotiate business.
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Today we will discuss about (BFWP) boiler feed water pump working principle and operation of a boiler feed water pump. The boiler feed pump function is to supply pressurized feed water to the boilers maintain the water inventory at various operating loads. Boiler feed water pumps are commonly centrifugal pumps.To ensure a high enough head and pressure, Boiler feed Pumps have been
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