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Ii. Control of temperature of gas generator and oven:
1 the gas temperature in the lower part of the oven is correct.
When the temperature is rising rapidly, put some large pieces of wood into the fire from the inlet and close the inlet hole.As the temperature slowly rises, place small pieces of wood, add fire and open the hole.
When the temperature is higher than 200°C and it is difficult to heat up, adjust the fire, or put more wood into the hole, close the hole, open the natural ventilation valve, start the coal machine to add coal, the gas is exhausted, and then add coke.The heating rate is controlled by the degree to which the air is fed into the furnace by the natural ventilation valve.
If heating is difficult, please start the blower according to the blower startup procedure, close the natural ventilation valve and open the furnace air valve for proper blasting, replace natural ventilation with mechanical ventilation, and increase the combustion air to raise the furnace temperature.In the future, the furnace will be heated and heated by adjusting the air volume and the amount of coal added to control the flame in the furnace.
5. Before entering the hole, remove the operating platform, observe the coal combustion from the fire detection hole, adjust the air inlet at the bottom of the furnace by pulling the brazing, and through brazing, make the whole furnace evenly ignite the upper furnace to correct part of the furnace and close the upper part of the discharge valve.
After oven 6, note the drum water level and gas production.If the temperature is high, the temperature can be reduced from low to high to the saturation temperature.
7. When the temperature reaches 600°C, the normal gas detection and qualified gas supply requirements can be sent to the user, without the need for production. If the temperature is lower than 800°C, the temperature cannot be barely raised, but the oven needs to be completed in 168 hours.
Record the temperature and other parameters every hour to draw the actual oven curve.
9. If there is no abnormality (the abnormal condition requires the cold furnace to be closed, the CO content should be tested and the shell should be repaired), continue to culture the material layer.
Grade 10 furnace and gas quality qualified (CO2≤ 5% CO≥ 27% O2≤ 0.4%) can be connected to the power grid gas supply;Before sending the grid into the air, steam is introduced in the insulated chamber to raise the temperature above 100°C.