Gas hot blast stoveBefore ignition, check the operation of the equipment, and then follow the steps in the manual. The ignition inspection items are described in detail below.

Check whether the air valve is open before starting each time, otherwise the equipment will not work. Start the power control button on the control cabinet. At this time, the digital display window displays the current furnace pressure. For the pressure judgment part, refer to the manual of the hot blast stove controller. During the operation of the equipment, the operator should pay attention to observe the water level to ensure that the water tank is full of water. The hot blast stove should be purged regularly to ensure water quality.

Check that the hole cover is installed correctly. Whether the screws at the flange seal are tightened, etc. At the same time, check whether the temporary plugs such as the temporary partition of the flange device are completely removed.

Remove dust and debris in the gas hot blast stove and flue.

The regulating valves and shutters of the air duct and flue are all and tight, the switch is flexible, and the switch indication is accurate.

After the inspection, close the economizer main flue baffle and open the side flue baffle. If there is no side flue, open the economizer recirculation valve.

The outer wall of the furnace is intact and tight. Check whether the safety accessories are intact, whether the cock rotation is flexible, and whether it is convenient to use. The instrument and control device are complete, intact and clean, and the water level gauge is well illuminated. After passing the inspection, the water level gauge and pressure gauge cock should be in working condition.

The valve handwheel on various pipes of the gas hot air stove should be intact and the switch is flexible.

After passing the inspection, open the steam trap on the steam pipe and the valve on the water supply pipe. Check whether the combustion device is intact, the trial operation of the mechanical transmission, coal conveying and slag discharge system is normal, the safety spring of the governor box is properly compressed, and the lubrication is good. The coal gate is flexible in lifting, and the scale indication of the coal gate is correct. The eagle iron is neat and intact, the slag board is full, and the movement is flexible.