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What are the phenomena of coking on the circulating fluidized bed boilers?
23 Nov 2018
1. The bed temperature rises sharply.2. Oxygen levels go down and sometimes drop to zero.3. The electric current of primary air fan is less and wind pressure of...
What are the main components of circulating fluidized bed boiler?
21 Mar 2019
1. Primary air fan: after being heated by the air pre-heater, primary air enters into the wind chamber, then into the furnace through wind caps through the air...
Why does the gas boiler is powered on, but motor does not turn after pressing start button?
12 Jul 2018
(Question details) specific performance:The gas boiler is powered on, press start, the motor does not turn. Answer: Fault reason:1. Insufficient pneumatic lock...
Why do gas-fired boilers emit white smoke during operation?
12 Jul 2018
Question details (Performance):White smoke happens from coal-fired boilers during running. Answer: Fault reason:(1) The air volume is too small.(2) The air hu...
Why gas-fired boiler chimney drops water?
12 Jul 2018
Question details (performance):Chimney drops water. Answer: Fault reason:1.The ambient temperature is low.2.There are many soft fire combustion processes.3.Ga...
What if boiler cannot be ignited in the operation when the pressure is normal and there is electrici
12 Jul 2018
Question details (performance):Fail ignite, normal pressure, has electricity.Answer: Fault reason:1. The ignition transformer is burnt out.2. The high-voltage...
What causes the black smoke in gas-fired boilers?
12 Jul 2018
Question details (performance):Black smoke happens. Answer: Fault reason:Too much liquefied gas flow or too few air flow. Troubleshooting:Adjust damper.The a...
What causes the combustion engine overheat during the operation of the gas-fired boiler?
12 Jul 2018
Question details (performance):The boiler is overheating in operation. Answer: Fault reason:1. High cycle resistance of the system (blocked).2. The overheatin...
What causes the burner motor of the gas-fired boiler not running?
12 Jul 2018
Question details (performance):The burner motor of gas-fired boiler does not work. Answer: Fault reason:(1) No voltage.(2) The fuse is damaged.(3) Motor failu...
What causes the burner motor of the gas-fired boiler running and ignition is normal, but then stop b
12 Jul 2018
Question details (performance):The burner motor of the gas boiler is running and the ignition is normal, but it is stopped by failure. Answer: Fault reason:The...
During the burner motor of the gas-fired boiler running, and the voltage is connected to the control
12 Jul 2018
Question details (performance):The burner motor of the gas boiler is running. The voltage is connected to the controller terminal. there is no ignition, and the...
What is the reason for pump in the gas-fired boiler does not transfer oil?
12 Jul 2018
Question details (performance):A pump in a gas boiler does not transfer oil. Answer: Fault reason:(1) Pump failure.(2) Oil pressure and power are reduced.(3)...

About Company

We supply to over 100 countries and regions and have set up offices around the world to ensure prompt delivery of products and services.

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Customer service

If you run into any problems with the boiler, please contact us directly by email or fill out the online service request. We will do our best to resolve any problems you might have within 24 hours.

Corporate Office

  • No. 76, Xin Da Road, Zhou tie Town, Yixing, Wuxi, China
  • +86 13506151153
  • allen@zozen.com
  • Fax : 0086-510-68991001

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