1, gas barbecue stove is through the nozzle to the combustion chamber gas injection, and then ignite the gas to produce a flame. If the nozzle or pipe is clogged with oil, dust and other dirt, then the gas cannot be injected properly and the flame will become smaller, as well as produce black smoke.
2. The solution is to clean the nozzles and pipes. You can use some professional cleaner or clean it with a brush. In addition, you can also regularly check whether the nozzles and pipes of the barbecue stove are normal to ensure its normal use. At the same time, pay attention to safety when using, regularly check whether the gas pipe is leaking, and ensure that the gas bottle is firmly connected to the barbecue stove.