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protection device for condensing oil gas fired boiler

Problems coal protection device for condensing oil fired boiler gas boiler gas coal problems are: 1, more coal ash, 2, unevenness of coal particles, 3, coal contains a large amount of impurities, 4, a lower heating value of coal, 5 when combustion is not easy to ignite fire, 6, coal moisture content uncertain. 7, does not burn coal, slag high carbon content. In general, use is preferably designed coal boiler design coal or coal close, in order to ensure stable combustion. In recent years due to the growing tension surrounding the coal supply, coal supply has become diversified, coal quality is very different than before coal, have a great impact on the stability of the boiler combustion and normal heating operation. Impact of coal combustion boiler stable for: calorific value of coal is coal reflects an important indicator of good or bad, when the low calorific value of coal to a certain value, will not only affect the incomplete combustion instability and can lead boiler flameout, the outlet temperature of the boiler is difficult to compliance, affecting the normal operation. Volatile combustion and can be deposited at lower temperatures, as the combustion heat, the temperature rapidly increased coke particles, provide an extremely favorable conditions for ignition and combustion, volatiles further increased coke deposition and internal voids and the external reaction area, will help improve the speed of burning coke. Thus, the greater the content of volatile, nonflammable, the less fixed carbon in the coal component, the easier coal burning ember, devolatilization of many voids, increases the surface area of ​​the reaction, the combustion reaction is accelerated. When the volatile content is reduced, pulverized coal ignition temperature significantly increased, the hot increases, difficult fire, ignition time required becomes longer, the combustion stability is reduced, shifting the center of the flame, furnace absorbed radiation heating surface reduce heat, increase the heat absorption of the convection heating surface, the rear exhaust temperature, exhaust loss increases.

Select the first steam protection device for condensing oil fired boiler to know what parameters? Steam boilers have the following main parameters: 1, Rated evaporation Rated evaporation is power steam boiler, steam boiler is the most important parameter, usually expressed in tons evaporation, that is, we usually say how many tons of boiler. 2, rated steam pressure rated steam pressure means that the steam pressure generated in the steam boiler, generally expressed in MPa or kg. 1MPa is 10 kg, like laundry, all hospitals, factories and the like conventional steam occasions the general use of low-pressure steam 1.0MPa or less. Only when using steam as a power to require the use of high-pressure steam. 3, where the steam temperature of said steam temperature, refers to the temperature of saturated steam. Saturated steam pressure and steam temperature are corresponding. Temperature of saturated steam at a pressure of 1MPa 184 ℃. 4, gas / oil / coal consumption fuel consumption is an important indicator of concern when choosing a steam boiler, which is directly related to the use of the running cost of the boiler. In the operation of the boiler, the fuel cost is very impressive, if just considering the purchase cost of buying a cheap but high energy boiler, which led to the late high operating costs, certain that it will be wasted. 5, the thermal efficiency of fuel consumption with the boiler thermal efficiency of boilers is inversely proportional. The higher thermal efficiency, lower fuel consumption of the boiler. Boiler thermal efficiency expressed as a percentage, the value is a more intuitive. 6, the boiler operating weight, size or location in the election of the steam boiler, it should find the place whether the load per unit area can withstand the weight of the steam boiler, and if there is enough space to place the steam boiler maintenance and reserve space.

The main role of the auxiliary protection device for condensing oil fired boiler is the effect of several auxiliary boiler auxiliary boiler combustion, are mainly the following: (1) primary fan: drying of fuel, the fuel supplied into the furnace, generally a centrifugal fan; (2) blower: to overcome the air preheater, duct resistance of the burner, combustion air delivery, fuel combustion is maintained; (3) drawing fan: negative flue gases, maintain the chamber pressure, a flow of flue gas, flue gas and air to complete heat exchange; (4) mill: the pulverized coal pulverized coal fineness required, the thickness of the completion of drying and powder separation; (5) a sealing fan: providing a certain air pressure, to prevent powder leakage mill. Stoker: coal, and controlling the amount of coal; (6) Electrostatic precipitator: Dust Removal System: residue positions, machine slag, slag crusher, bucket elevator, wetting mixer, bag filter, automotive bulk machine Of course, in addition to fire detection blower, air compressor, a given row, even row, pumps.

Since our company uses WNS6-1.25-YQ split two condensing protection device for condensing oil fired boiler, the boiler runs very stable, high degree of automation, greatly reducing the labor intensity of fireman our staff, because running very clean without any emissions, but also greatly improved our paper mill house and the surrounding environment, high operating efficiency boilers. Service is also very timely response to our technical consulting reply quickly and accurately. Especially for regular visits to thank! --customer feedback

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