Primary air tube blockage is what causes? How to prevent? Reason: 1) blocked or coked-burner fire nozzle inlet is blocked portion of small oil gun and other debris. 2) too many impurities coal, powder machine speed is too high, the pulverized coal and primary air speed too low. 3) powder machine speed is too high, too much under the powder without timely blown away. 4) a low pressure (throttle open or not to open too small), can not take away meal. Precautions: 1) to the powder and the rotational speed of the unit load and adjust relevant primary pressure according to the powder not more than 700 rpm rotation speed, a wind speed of each holding 25 ~ 30m / s, the mixed primary air temperature was controlled at 180 to 250 ℃, a pressure depending on the load, depending on coal, in the range 2.5 ~ 3.8kPa. 2) find a wind speed is too low, the primary air temperature is lower than the normal value should be to lower the rotation speed corresponding to the normal to the powder of a primary air temperature and wind speed. 3) open, gas steam power station pressure fire tube boiler supplier tank should be fully cut-off torch powder, the powder in the tube is blown accumulated powder. 4) Fire mouth clogged or coked should try to remove. What causes large vibrations induced draft fan? 1) motor bearings in oil, resulting in large vibration and bearing wear; 2) even when the shaft is mounted on the center not good; 3) induced draft fan stall surge; 4) anchor bolt loosening induced draft fan; 5) blade fouling or wear ,lost balance.

The power plant in Bulgaria consists of 11 power station pressure fire tube boiler suppliers sized 160 and 220 t/h, fired with natural gas and coal. In order to meet the changing emission regulations and to reduce the fuel cost the customer was interested in replacement of 2 existing 220 t/h gas-fired boilers with a new CFB boiler fired with petcoke and Ukrainian semi -anthracite. Gas boilers no 7 and 8 were demolished, this space was used for a new CFB boiler plant .

The beverage plant needs steam in its beverage degassing ,sterilization, and packaging process. 3 ton steam requirement per hour came from beverage plant steam requirements in all process. Then, why there must be WNS series, any other choice here? WNS series steam capacity is from 2 ton to 10 ton, more suitable for lower capacity steam power station pressure fire tube boiler supplier. Of course, we also have SZS series which capacity is from 4 ton to 30 ton. To larger steam requirements, industrial gas oil fired power plant boiler is also available. If you want to use other gas fuels like lpg gas, bio-gas or liquid fuels like diesel oil, heavy oil, light oil, our WNS series steam boiler also can burn them. But, like our advanced engineer said before, each boiler is specialized for one designated fuel, this WNS series 3 ton steam boiler is manufactured to burn natural gas. Although it can burn other fuels, it can reach highest thermal efficiency when burning designated fuel natural gas.

Fangkuai Boiler has carried out a large-scale welding revolution, eliminating traditional manual welding operations with low efficiency, low accuracy and poor stability, and converted it to the use of mechanical welding equipment with high efficiency, high accuracy and high stability for automatic operation . Realize welding automation of all important parts from the drum to the tube sheet. The submerged arc welding, argon arc welding, carbon dioxide welding and other welding details of the process have also made corresponding intelligent changes, workers' welding environment is cleaner, and the quality of power station pressure fire tube boiler supplier welds is more guaranteed.

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