Anderson FFAH21 Panduan Pengoperasian - Halaman 7

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Anderson Thermal Solutions – FFAH21 Burner Operation Manual

The minimum hydrogen/oxygen flow should be maintained, and it must be over 1/4 of the designed

hydrogen/oxygen in any circumstance.

If the production rate decreases, the inner tube may need to be repositioned to provide the proper

flame length. Move the natural gas inner nozzle forward to shorten the flame; move the natural gas

inner nozzle backward to extend the flame.

4.4 Burner shut down

To close the burner, first close the hydrogen/oxygen supply, then fuel (gas or oil), and then close the

atomizing air shutoff valve of the burner (gas is not applicable). Close the combustion air butterfly

valve to allow only a small amount of air to enter the burner for cooling. If the burner is switched off

for a long time, the gun body assembly must be pulled out. Close the burner block hole and do not

allow hot gas to escape through the burner block hole.

4.5 Flame length adjustment

FFAH21 burner is mainly composed of preheating combustion air duct and burner body. Hot

combustion air enters the burner through the combustion air inlet at a controlled pressure and flow.

The gas enters through the gas inlet at the specified flow rate and pressure, and immediately mixes

with the hot combustion air and ignites.

By moving the position of the gas burner (red arrow), you can change the air flow of the burner and

affect the flame. In most cases, this adjustment is not necessary because the initial position "0"

provides a good flame for the burner. If you need to increase the combustion air, you can reduce the

pressure drop of the combustion air through the burner by pulling the gas gun out of the scale, so

that the air flow can be increased under the existing air pressure. If you need to reduce the

combustion air, you can increase the pressure drop of the combustion air through the burner by

pushing the gas gun to a scale, so that the air flow can be reduced under the existing air pressure.

The above adjustments only need to adjust one scale at a time, and only add an adjustment scale if

the effect of the adjustment does not reach the expected effect. The hot air burner provided by

Anderson has 6 adjustment positions. To carry out the above-mentioned adjustment of the

combustion air volume, first loosen the adjusting rod lock nut and the four flange fixing bolts. The

inner tube can be pushed in or out. Marks on the gas pipes show different positions.

Anderson Thermal Soluions（Suzhou）Co., Ltd