Coal fired boiler design features:
1.By adopting of double wings gas ducts, the fuel gas can go into the front gas tank easily, so the temperature of different front plates can be same. In this way, it can avoid the crackles happening in the plates.
2.Spiral tubes are installed in the drums, which can strengthen the heating transferring efficiency, at the same time, spiral tubes have the ability of dust removal, which can avoid the dust stratification in the tubes.
3.Both of the front and the back arches of the 10t/h series coal fired boiler design adopt mason work of water cool tubes wall structure, which can form permanent arches.
4.Separate adjustable wind chambers. Wind is feed from two sides. It adopts new type crank screw wind adjustment structure, so that the wind adjustment and ventilation cross section proportion is 100%, which can ensure the easy wind adjustment and make it symmetrically.
5.There is push-pull damper dust removal equipment. The damper adopt finish machining cast iron seal structure, thus the secondary combustion distortion and air leaking in the grate is effectively prevented.
To speed up the transformation of coal-fired boiler project, the Tianjin Municipal Government were tender for coal-fired boiler products. In the bidding site, a number of boiler prosperity across the country have resorted to every means, come to bid on his own star product. Fang fast low nitrogen water tube boiler with its unique architecture and technology, will come to the fore in this bid, the successful bidder Tianjin Justice Drive surrounding district project.
Off state of the oil-fired boiler and approach the customer Q: oil-fired boiler flameout what state? How to determine whether the fuel gas boiler flameout it? Henan A fast boiler Company: Table fuel gas boiler furnace pressure instruction value suddenly increases; the furnace black, can not see the flame hole to see the fire; sound disappears combustion furnace; issued extinguishing the flame monitor signal; temperature, pressure abruptly fall, after the water level decreased and then increased, and so are flameout phenomenon. Auxiliary flame caused by an accident, such as a fan, blower power interruption, there is an accident signal emitted; fuel supply is interrupted as a result, oil-fired boiler fuel pressure is reduced to zero. If only a single burner flame, the furnace may also occur flame center deflected off the burner pressure changes; fuel supply is interrupted as a result, the extinguished burner pressure or hydraulic indication may drop to zero, while the other run burner fuel, gas pressure. After this occurs, must be timely treatment to ensure safe boiler. Customer Q: oil-fired boiler flameout, how can I deal with? Boiler Company Zhoukou City lofty Answer: Once a flameout must immediately cut off the fuel supply to the furnace, close the solenoid valve supply (supply and return oil), and then close the fuel supply valve in each operation of the burner. Operation action to be fast, so as not to continue or resume the supply of fuel, causing a risk of malignancy. At the same time, to identify the cause of the boiler flame, troubleshooting discovered, and then start doing the preparatory work. Before starting, we should strengthen boiler ventilation, purge, purge time is more than 5min, then procedures ignition. When the ignition is prohibited sent directly to the high temperature furnace fuel ignition without using an ignition device, in order to prevent dangerous accidents furnace. If due to fan failure caused when the flame, should quickly close the fuel supply line valves each, paying particular attention to the valve not tightly closed due cause fuel leakage. Meanwhile, according to emergency shutdown processing method for ventilating and purging of the furnace and the flue. After the fan resume operation, then step ignition. If only the burner flame, simply close the fuel supply valve to the burner, off throttle small oil-fired boiler, to identify and troubleshoot, and then re-ignition process the ignition. Be sure to quickly deal with properly in order to ensure the safe operation of the boiler.
Oil boiler greatly reducing the fuel consumption of the fuel for the internal combustion quick three-pass horizontal fire tube boiler. Furnace using offset wet back structure, high temperature flue gas flushing sequentially the second and third return pipe tobacco, and then discharged into the atmosphere through the chimney of the smoke chamber. Activities before and after the boiler is equipped with smoke cover, the boiler easy maintenance. Oil-fired boiler chain greatly boiler burner arranged good technical performance, the use of automatic combustion ratio adjustment, automatically adjust the water supply, the program start and stop, automatic operation through the convection heating surface of the heat exchanger area of the boiler body growth or using convection heat transfer coefficient increases method, oil-fired boiler exhaust gas temperature to reduce the chain; 2, increase of the tail heating surface. Before explaining the purpose of the method is to efficiently recover the sensible heat and latent heat from exhaust gas, is the next to achieve the above object generally speaking processes: conventional boiler, the exhaust gas temperature is usually 160 ~ 250 ℃, the water in the flue gas still overheated vapor, liquid water is not easy to form a cold-releasing latent heat of vaporization. Well known, the thermal efficiency of the boiler fuel is a low calorific value calculated without considering heat loss of latent heat of vaporization of the high heating value fuel. Reducing the fuel consumption of a conventional boiler thermal efficiency is thereby substantially only 87% to 91%. And condensing boiler, the flue gas temperature is reduced to the chain 50 ~ 70 ℃, thermal efficiency increased to the boiler. In heating, hot water supply is widely used in condensing boilers, greatly reducing the fuel consumption. And other advanced technologies. boiler.
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