If the following three conditions occur during the burning and flame out process of a gas-fired boiler, the furnace is likely to blow up.
1.The residual gas content in the furnace reaches the ignition limit at the start-up phase of the furnace.
2.The fuel content in the furnace reaches the ignition limit after several times failure of ignition.
3.The fuel is sprayed out because of the halfway extinction of the flame. And, the temperature of the furnace can not meet the spontaneous combustion condition of the sprayed fuel. However, the content of the sprayed fuel reaches the ignition limit.
1.Flamelifting caused by a sudden increase of gas pressure;
2.Gas supply disruptions caused by malfunction of solenoid valve;
3.Great gas constituent change and excessive moisture content.
If the final temperature of feed water doesn’t reach the saturated temperature after being heated by an economizer, (that is, the feed water has not reached the boiling state), we call the economizer as a nonsteaming economizer. Generally, the final temperature is 30-50℃ lower than the saturated temperature.
One of the most difficult questions of purchasing new boilers is deciding how many boilers will be necessary. The best way is to consult with an expert who can guide you through the process. However, there are two factors to consider before you speak to an expert.
The action of starting up a fire tube boiler for the first time is already a cold start. As a result, the mechanical load in this type of boiler is much greater, as the main characteristic of cold starts is the absence of boiling water and greater stress on the connection and anchorage elements of the boiler.
To make this start a bit easier for the boiler, the boiler operator should reduce the burner load to a boiling point.
(Question details) Specific performance:Tube explosion and bulge of thermal fluid heater.Answer: Cause of failure:(1) Over temperature.(2) Over heating.(3) Hot oil metamorphism. Troubleshooting:(1) Emergency shutdown.(2) Oil discharge and fire extinguish.We use automatic control for operating, burning, high level tank level, outlet temperature and flowrate are all automatically regulated and protected to avoid overtemperature or overheating.
