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“Air and flue gas system”- related faq

  • What should we do when a CFB boiler encounters a cyclone separator breakdown? 2023-12-29
    When a Circulating Fluidized Bed (CFB) boiler encounters a cyclone separator breakdown, it's important to address the issue promptly and effectively to maintain the boiler's efficiency and safety. Here are steps that should be taken: Immediate Shutdown: First and foremost, shut down the boiler following the standard shutdown procedures. This is crucial to prevent any further damage to the boiler and to ensure safety. Inspection and Diagnosis: Once the boiler is safely shut down, conduct a thor...
  • Why don’t the pumps of coal-fired boilers absorb water? 2023-12-29
    If the pumps of a coal-fired boiler are not absorbing water, it could be due to several reasons. It's essential to diagnose the issue accurately for an effective solution. Here are some common causes: Air Locks in the Pump or Suction Line: If there is trapped air within the pump or the suction line, it can prevent the pump from creating the necessary vacuum to draw water. Low Water Level in the Feed Tank: If the water level in the feed tank is too low, the pump may not have enough water to dra...
  • How to select heat medium oil for liquid phase heating systems? 2023-12-01
    Selecting the right heat medium oil (also known as thermal oil or heat transfer fluid) for liquid phase heating systems is crucial for efficient and safe operation. Here are key factors to consider when choosing a heat medium oil: Operating Temperature Range: Different oils have different operating temperature ranges. Choose an oil that can maintain stable thermal properties within the temperature range required by your system. Both the maximum and minimum operating temperatures are important t...
  • What causes the black smoke in gas-fired boilers? 2023-12-01
    Black smoke in gas-fired boilers is typically an indication of incomplete combustion, where the fuel is not being burned efficiently. This can happen due to several reasons: Poor Air-to-Fuel Ratio: The most common cause of black smoke is an improper balance between the air and fuel. Too much fuel or insufficient air leads to incomplete combustion, resulting in black smoke due to unburnt carbon particles. Dirty or Clogged Burners: Over time, burners can become dirty or clogged, affecting the ef...
  • What causes the burner motor of the gas-fired boiler not running? 2023-11-24
    If the burner motor of a gas-fired boiler is not running, several issues could be at play. Diagnosing the problem involves checking various components and systems. Here are some common causes: Electrical Issues: Check if there's an electrical supply to the motor. A tripped circuit breaker, blown fuse, or loose wiring could interrupt power supply to the motor. Faulty Motor: The motor itself could be malfunctioning. Over time, motors can wear out or burn out due to electrical issues or mechanica...
  • What causes the combustion engine overheat during the operation of the gas-fired boiler? 2023-11-24
    Overheating in the combustion engine of a gas-fired boiler can be caused by several factors. Understanding and addressing these issues is crucial for maintaining the efficiency and longevity of the boiler, as well as for ensuring safety. Here are some common causes of overheating in the combustion engine of a gas-fired boiler: Insufficient Water Flow: If there isn't enough water flowing through the boiler, it can't absorb enough heat from the combustion process, leading to overheating. This cou...
  • Why doesn't the gas boiler's motor turn on after pressing the start button? 2023-11-24
    (Question details) specific performance:The gas boiler is powered on, press start, the motor does not turn. Answer: Fault reason:1. Insufficient pneumatic locking.2. The solenoid valve is not sealing, and there is air leakage at the joint. Check the lock.3. The thermal relay is open.4. At least one of the conditional circuits is not valid (water level, pressure, temperature and to check whether the program controller is energized to start). Troubleshooting:1. Adjust the air pressure to the requested value.2. Clean or repair solenoid valve pipe joint.3. Check whether the component is damaged and motor current by reset.4. Check whether the water level, pressure and temperature exceed the limit.ZOZEN gas-fired boiler adopts automatic control to control the operation, combustion, water level, temperature and steam pressure. In case of such problems, the system will automatically prompt the error code.
  • What is the relationship between the boiler's flue gas volume and temperature? 2023-09-22
    The relationship between a boiler's flue gas volume and temperature is a complex interplay of various factors that depend on the boiler's design, type of fuel used, combustion efficiency, and operational settings. However, some general principles can help elucidate the relationship:   Combustion Efficiency: In an ideal combustion scenario, all the fuel would burn completely, generating water vapor and carbon dioxide primarily. However, real-world combustion is rarely perfect. Incomplete c...
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