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“12 bar 6 ton biomass steam boiler”- related faq

  • What is the material used in the impulse bag filter of biomass-fired boiler? 2020-02-13
    The temperature of flue gas generated by a biomass-fired boiler is relatively high. But it is not corrosive. So, it is suitable to use heat resisting glass fiber needled felt bag which has a good use effect. Moreover, this kind of cloth bag is not very expensive.
  • What are the characteristics of the pellet fuel used in biomass-fired boilers? 2020-02-13
    1. The fuel volume is 1 / 30 ~ 40 of the raw material volume after molding; 2. The specific gravity is 10-15 times of the raw material, and the moisture content is between 12% and 18% (the moisture content of coal is below 10-15); 3. The net calorific value can reach 3500-4500 kcal (the net calorific value of class II bituminous coal is 3700-4700 kcal / kg); 4. The ash content is less than 10% (the ash content of coal is more than 20%); 5. Volatile matter ≥ 65.62% (volatile matter of class II bituminous coal≥20%). 6. Biomass fuel belongs to renewable clean energy, which is the same as wind energy and solar energy. The biomass fuel is rich in resources, it can ensure the sustainable use of energy. 7. The sulfur content and nitrogen content of biomass fuel are low, the amount of SOx and NOx generated in the combustion process is low.
  • How do steam boilers work with biomass? 2019-06-06
    Biomass steam boilers recover the heat generated during the biomass combustion process to heat the water in the boiler exchanger circuit. The hot water is then diverted to the heating circuit. Occasionally it is necessary to remove the ashes generated by biomass combustion and clean the burner.  
  • Do I need another boiler as a back-up? 2019-05-31
    Many situations require one or more back-up boilers, especially those involving residential accommodation. A properly designed and installed biomass boiler will be as reliable as a fossil fuelled boiler, and in this respect the usual rules for specifying back-up boilers should be applied. However, as a biomass boiler is rarely sized to meet the peak load, the back-up boiler usually acts as a peak-topping boiler as well. Hence, it is usual for back-up boilers to be sized to meet the peak load.
  • What maintenance does a biomass boiler require? 2019-05-10
    We would recommend your biomass boiler has at least an annual maintenance service. Like anything if you maintain your boiler correctly it will last longer and perform better. Biomass boilers burning even the most difficult of materials can operate unattended, but weekly inspection visits are required to carry out a visual inspection of the boiler and fuel feed system, to check the lubrication of bearings and to empty the ashbin. As a large enterprise specializing in manufacturing boilers, ZOZEN...
  • What about the high failure rate of fuel delivery system of biomass-fired boiler? 2018-07-12
    Question details (Performance):There is no feeding machine between hopper and # 0A/B belt, which causes unstable feeding and feeding amount cannot be controlled, during running, big amount material presses on belts which affect normal operation of the belt.Answer: The cause of the problem: Because the toughness of the biomass fuel is bigger, the proportion is small, material level should not be too high, otherwise it will occur block, so conveying system is normally running 24 hours, moving parts are easy to wear and cause high failure rate; also the length of the cut grass is difficult to guarantee its length between 8 ~ 15cm, and it is easy to get stuck in the feed machine before the furnace and it is difficult to clean, which has a great impact on the load of the boiler. Troubleshooting: 1. To reduce wearing and expand the service life of equipment, general motor adopts variable frequency motor, slow down the running speed, to control the rate of fuel feeding, make material's stacki
  • What if combustion of biomass fuel boiler is not sufficient? 2018-07-12
    Question details (Specific performance):Biomass environmental protection and energy saving fuel made of straw and livestock etc., their combustion is not full. Answer: The cause of the problem:1. Air quantity is insufficient or too big.2. Outer flame position is not proper.Troubleshooting:1.Sufficient temperature: sufficient combustion of biomass boiler needs high temperature, combustion rate is proportional to the temperature, to raise the temperature as much as possible but guarantee there is no slagging.2. Proper air volume. If the air volume is too large, it will reduce the temperature of the furnace and increase the incomplete combustion of fuel. If the air volume is insufficient, the combustion efficiency will be reduced, and the waste of fuel will also increase the emission of smoke.3. Sufficient mixing of fuel and air. During the burning stage of biomass boilers, the sufficient mixing of air and fuel should be ensured and the disturbance should be strengthened during the burnin
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