quality boiler

Boiler excess air ratio is too low or too high, what harm? What causes high excess air ratio is? A: The quality boiler excess air ratio is one of the important characteristics of operational quality, the size value shows the degree of perfection combustion equipment and boiler operation. Excess air ratio is too low, incomplete combustion, increased flue gas of CO, the thermal efficiency is reduced; the excess air ratio is too high, the cold air does not participate in the combustion reaction in a large amount into the furnace, furnace temperature to drop, complete combustion. Also part of this excess of air also absorbs heat warming, and to take away the heat with the flue gas, reducing the thermal efficiency of the boiler. Therefore, a reasonable excess air ratio should not only ensure complete combustion of the fuel, but also can minimize the heat loss. Many cities now used in the boilers, a high excess air ratio, is because: (1) mechanical ventilation mismatches, to the excessive wind; (2) a furnace body, door, etc. leakage; (3) a flue, purification device air leakage.

Automatic inspection apparatus setpoint temperature, the temperature must be higher than the quality boiler. Now you run Olin burner according to adjust the selection button at the first stage and second stage fire fire, of course, we should check whether the correct steering of the blower motor, check the air pressure switch set value, the damper block from servomotor lid plate removed, checking the position of the cam switch is correct, the closed position of the damper flap, the position of the first section of the fire damper flap, Sec fire off solenoid valve contacts, the fire damper gear Sec position of the plate.

Harbin Thermal Power Co., the main city of Harbin is the largest cogeneration business, the company bear the city's heating area of ​​24 million square meters, to provide heat supply for more than 400 agencies, enterprises and 140,000 residents. Currently, the company is actively respond to the latest environmental standards introduced in China, the group mobilized up and down, stepping up technological innovation, upgrading environmental protection facilities, the project is expected to complete upgrading coal-fired quality boiler at the end of this year.

Harbin Thermal Power Co., the existing five boilers for heating and power generation: where to cogeneration units No. 7,8,9, and the other two hot water boilers. No. 9350 MW units which since 2017 was completed and put into operation, has achieved ultra-low emissions standards during construction. 7, No. 8 is 300 MW units were built in 2005 and 2006, these two units of environmental transformation began in 2013. Harbin Thermal Power Co., according to the latest environmental requirements, environmental upgrading facilities. First, soot emissions transformation, the introduction of advanced electric bag filter, followed by addition of sulfur, in addition to the transformation of nitrate, new burners in addition to the low nitrogen oxides of nitrogen, a wet desulfurization technologies in addition to sulfur dioxide. After four consecutive years of continuous transformation, 7,8 units in 2017, all the transformation is completed, achieve ultra-low emissions standards. For the two 116 MW hot water boiler was built in 2013, it has long been included in the transformation plan. Earlier this year preparatory work has been completed and environmental transformation has entered the bidding process in mid-October to start construction, completed renovation project at the end of December.

These are the methods of electric heating steam quality boiler fast boiler to provide you with the handling of soot in the chimney, if you use electric steam boilers, with more than five can control their own boiler equipment need to be cleared up the flue, and select the appropriate method .

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