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High Effiency Industrial Steam Boiler

High Effiency Industrial Steam Boiler

How to adjust and control excess air in boiler furnace?

Excessive air in the boiler furnace will affect the furnace combustion. Therefore, how to effectively control the air excess coefficient is one of the prerequisites for ensuring the reasonable operation of the boiler. Today, we will explain the excess air in the gas boiler with high degree of automation as an example: Furnace air excess coefficient is one of the important indicators to control the combustion process of gas boiler furnace. For the layer furnace, the air excess coefficient at the exit of the furnace is generally between 1.3 and 1.5. According to the air leakage of each flue section of the flue gas, the air excess coefficient of the exhaust should be 1.8-2.0. There are three factors that determine the heat loss of smoke exhaust: exhaust gas temperature, air excess coefficient and cold air temperature. Among them, the air excess coefficient of gas boilers is the main influencing factor. Excessive air excess factor is a great waste. A large amount of cold air enters the furnace, firstly reducing the furnace temperature, the combustion conditions tend to be unstable, and the volume of the flue gas is increased, and the heat loss of the exhaust gas is increased. Calculations show that when the air excess factor is increased from 2.0 to 3.0, the exhaust heat loss increases to 4.5%. At the same time, the burden of the blasting fan is increased, and the power consumption is increased. In order to improve the thermal efficiency of gas boilers, it is necessary to pay attention to and improve the understanding of the serious hazard caused by excessive air excess coefficient, and strictly control the air excess coefficient in combustion regulation, which is a field often overlooked in the heating industry.

Demolition started advancing water boiler and speed requirements of learning and understanding of the boiler can be a variety of ways and forms, as long as possible to understand the relevant knowledge content, you can. So, for this purpose, and in order to have a comprehensive knowledge and understanding of the boiler, below, will be learning boilers, so that we all get something from the new knowledge and apply their knowledge well. 1. boiler water speed before the start, is there a requirement? Water speed before the boiler starts, if the boiler for hot water boiler, then, there are some requirements that are specific to: the speed of the water before the hot water boiler should not start too fast, the water in winter time can not be less than 4 hours, the other seasons for 2-3 hours, the initial influent water should be slow speed. If the boiler is cold in the inlet water temperature is within the range of 50 ℃ -90 ℃ To. 2. How boiler demolition? The demolition of the boiler, which is conditional, not to say that all boilers can be carried out. If the boiler operating time of more than 10 years, the demolition is not allowed. In addition, the demolition of the boiler and process steps, is as follows: the boiler must be within the test period or after a local pot seized by the inspection - the location of the Special Bureau of Quality Supervision boiler handle to move equipment application - newly installed boiler at the site of Quality Supervision Bureau of the Ad Hoc Reassembling inform handling - pot seized by the supervisory inspection installation - put into use. 3. What is the boiler pressure boiler? Why use high-temperature condensate? From a professional point of view, there is certainly pressure boiler hot water boiler, but does not include high effiency industrial steam boilers. However, not all hot water boilers are atmospheric boilers. When transporting the short distance, a smaller heating area or a desired water temperature is not higher than 100 degrees Celsius, pressure boilers may be used. When the boiler is running, is industrial water and generate steam in a coal-based energy is used, when the steam is released out some heat, into a high-temperature condensate. If, as the high-temperature condensate or boiler feed water recycling secondary flash steam utilization, the industrial water can be saved and the fuel economy, in turn, reduced boiler flue gas emissions. So, we will use high-temperature condensation of water in the boiler.

Fuxin City, Liaoning Province, Liaoning provincial government to respond positively to national policies according to the latest requirements, increase the intensity of atmospheric pollutants have increased in terms of the number of personnel or subsidies. Now funds raised 24.08 million yuan to support the removal of loose coal and coal-fired boiler control project.

According to statistics, since the fall of 2017, a total removal of Fuxin coal-fired boilers 488 units, a total of 1020.085 tons of steam, subsidies for 21.08 million yuan. At the same time, actively carry out the bulk coal Fuxin treatment project, the replacement of energy-saving small boilers 2,000 subsidy capital of 300 million yuan.

And, Fuxin City, developed a series of measures to scrutiny. To strengthen the management of special funds to ensure the flow of funds security, Fuxin City, the boiler license, inspection report and environmental impact assessment procedures to establish a furnace of a file basic information, to complete the formalities boiler users comply with the removal of subsidies standards, timely payment of subsidies to users hands.

After the implementation of removal of loose coal and coal-fired boiler control project implementation, Fuxin City air quality of the environment and the urban fringe have been greatly improved. According to the survey, this year, the average concentration of PM2.5 Fuxin City 35 micrograms / cubic meter, improved 12.5% ​​year on year; PM10 average concentration of 67 micrograms / cubic meter, improved 17.8% year on year; air quality compliance rate of 81.6%, an increase of 4 %.

For high effiency industrial steam boilers, the market is infinite after all, thermal energy is one of the important development resources, thermal energy can not do a lot of work. Especially for the smelting metal industry, once the loss of thermal energy simply can not continue, so the steam boiler market is infinite. The key is to see if steam boiler production companies can produce professional products that meet industrial needs and market needs. If not, no matter how good the steam boiler market is not useful, so professional production technology is the key.

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