Is there something wrong with the burner?
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The burner is connected to a large chimney, and the gas line enters the burner. The pressure behind the regulating valve used to be 0, but recently the pressure gauge behind the regulating valve showed 1 kg. Is there something wrong with the burner?
uncertain. The pressure after adjusting the valve will be relatively low, not zero. The scale size and blockage of the gas furnace front valve affect the pressure of the regulating valve. The pressure gauge behind the regulating valve shows 1 kg. There may not be a problem with the combustion furnace. Check the scale and blockage of the valve in front of the gas furnace.
It can't be a problem with the burner. The burner pressure is 1 kilogram, and the fire has already come out. You should check if there is a problem with the flame arrester or burner.
There is also a hand valve in front of the furnace after the regulating valve. The pressure should not be 0. If it is 0, it is easy to temper.
Check whether the gas nozzle is blocked. Check whether the hand valve of the gas nozzle is opened wide. According to the design, the pressure behind the gas regulating valve of the heating furnace should be 1kg. This pressure is to ensure that the hand valve of each gas nozzle has room to adjust the gas flow.
There must be nothing wrong with the heating furnace. The following checks should be made.: 1. Check whether the on-site pressure gauge is consistent with the pressure measured by the instrument. There may be a blockage problem in the pressure pipe. 2. Check whether the control valve is stuck or leaking internally. Then just deal with it according to the specific situation.
If there is 1 kg behind the valve, it is possible that the opening of the furnace hand valve is small, or the burner is blocked, or the flame arrester is blocked. Check the combustion situation, it may be an instrument failure.
The main reason is that the gas valve in front of the furnace is opened too small.