The method of adjusting the temperature of the superheated steam heating stove have? The method of adjusting the temperature of the superheated steam heating stove have? DC boiler steam temperature is mainly adjusted by adjusting the quantity of fuel to water. In actual operation, because the efficiency of boiler feed water and fuel heat enthalpy (depends on the water temperature) and the like will change, so the actual boiler operation to ensure the water-fuel ratio of the exact value is not easy. Coal-fired furnace will fluctuate because of the amount of coal and the amount of fuel due to the steam temperature. So, except DC boiler fuel to water ratio as the coarse adjustment means, but also must be used as a method of spray desuperheater means of fine-tuning adjustment. There is also some boiler flue gas recirculation, dampers and methods of the swing center of the flame as an auxiliary adjusting device.
The impact of fuel 1 mw fired hot water boiler energy consumption indicators of the country has been engaged in a pile of incentives impressive work of coal to natural gas, fuel oil boiler with hot water, greatly minus the dust pollution, while discharging harmful gases such as nitric oxide has also been inhibition. Energy consumption indicators is a key measure of marked oil hot water boilers, to discuss incentives under the influence of a pile of hot water boiler fuel consumption indicator of subsequent. Through research departments, oil hot water boiler heat losses arising primarily from the comparison of two parts: non-standard air-fuel ratio combustion with smoke exhaust heat waste. Reduce smoke emissions from waste heat can be converted in hot water boiler fuel waste heat recycling install smoke trailing, or leading with more types of condensate recovery boiler. Combustion air-fuel ratio is inappropriate Standard Decomposition: Usually based fuel ejector type hot water boiler burner, air-fuel ratio can be formed mobilization maneuver. Many hot water boiler fuel based on a mechanical blower burner, resulting in a standard air-fuel ratio causes are several later: air-fuel ratio is mainly divided into different from standard probability comparison: when the airflow in excess, there will not be excess cold air It is heated, causing the oil hot water boiler energy consumption rise, low energy consumption indicators of fuel hot water boiler; when there is insufficient air flow, insufficient to ignite the situation will occur, causing low energy consumption hot water boiler fuel indicators.
April 4, 2019 morning, Xi'an Beilin haze iron-fisted rule to organize the use of gas-fired boiler unit of area businesses, held a 2019 low nitrogen gas boiler renovation work Publicizing.
The meeting mainly to accelerate the transformation of low nitrogen gas boiler Beilin, the ecological environment Beilin Branch Office investigator, neighborhood offices iron-fisted rule haze Director; area involving boiler 2019 user units, boiler enterprises, related to the monitoring unit responsible comrades total of more than 180 participants. Ecological Environment Agency Beilin Branch Comrade security level currently in Xi'an ambient air quality situation, problems and countermeasures were presented. Ecological Environment Agency celebration party strongman rule Beilin Branch Office Director haze on the transformation of relevant documents and carry out propaganda premium policy interpretation. 2018 transformation of the user units China Qiyuan Engineering Design & Research Institute Co., Comrade Yang Ann introduced to transform the experience of last year. Finally, the ecological environment Beilin Branch Bureau researcher Liu made a concluding statement:
You must know the problems of energy consumption boiler (boiler thermal efficiency) 1, because the thermal efficiency of boiler problems of a high exhaust gas temperature. b sootblowers into low. c ash combustible large. d is too large or too small boiler oxygen. e heat loss is large. f large air preheater air leakage rate. g coarse pulverized coal. h steam - water quality is poor. I defective equipment, operating parameters are forced down. 2, measures to solve the problem of a lower exhaust gas temperature. b timely elimination of soot blowers defects and improve the investment rate of soot blowers. c reduce fuel ash, slag combustibles. d control the amount of oxygen in the boiler. e reduce heat loss. f air preheater to reduce air leakage rate. g qualified coal fineness control. h to improve the quality of soft drinks. i According to circumstances, the boiler heating surface adjustment arrangement. J burner when necessary transformation to fit the gaseous fuel.
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