horizontal multistage steam boiler power plant

Vertical horizontal multistage steam boiler power plant optional indirect heat exchanger generally conventional vertical steam boiler energy-saving effect can be improved by a simple transformation, such as increasing the installed heat recovery unit, which is the energy-saving advantages of vertical steam boiler. Vertical steam boiler heat exchanger is generally divided into two, one is in direct contact with a heat exchanger, and the other is an indirect heat exchanger, which are separate means for flue gas heat recovery, to achieve energy saving effect. Vertical high heat recovery steam boiler in direct contact with the heat exchanger, flue gas contaminant is also removed, but acidic water quality, convenient for vertical steam boiler. A so-called indirect heat exchanger is an apparatus in which thermal energy is recovered we often say that the flue gas by condensation. Now people choose to use vertical steam boilers more and more, the proportion of market share also continues to increase, this vertical steam boiler flue gas emissions contain large amounts of water vapor, by condensing emit large amounts of latent heat of vaporization efficiency than coal-fired boiler is much higher. This vertical steam boiler pick indirect heat exchanger results were better.

As for the heating of the way people see the horizontal multistage steam boiler power plant is now to pay attention to when to bring the natural mode or different, consumers are appropriate in accordance with the terms of their own people more time to consider going out of the analysis, of course, now it can well take into account the situation would be very good to meet people of different situations, so now people can achieve the effect is different.

The "national industrial energy-saving technologies and equipment Recommended List (2018)" key recommendation "premix wing-type vacuum condensing hot water boiler" There is a beautiful name - Thalia T6, through the rational use of the U-shaped smoke tubular, cross-wing type tube design structure, and heat transfer at the same time meet the thermal requirements, reduced to 33% of the entire area of ​​the boiler can be placed in a small area in the boiler room. At the same time the use of advanced industry premix combustion technology, will reduce nitrogen oxide emissions to 18 mg / cubic meter, well below the most stringent air pollutant emissions of Beijing, Tianjin, Zhengzhou and other cities 30 mg / cubic meter standard.

Boiler flue gas condenser can effectively reduce production costs, reduce exhaust gas temperature of the boiler, the boiler thermal efficiency. To run the boiler in line with the national energy saving standards. Energy conservation is the national "Eleventh Five-Year Plan" key and ensure transformation of economic development is to implement the scientific concept of development and to ensure that an important indicator of fast economic development, energy-hungry as special equipment, but also environmental pollution important source of special equipment to strengthen the task of energy saving long way to go. "National Economic and Social Development 10th Five-Year Plan" to establish a unit of GDP total energy consumption by 20% to 10% reduction binding targets economic and social development of the total discharge of major pollutants. With its industrial production is the "heart" of the energy consumption of the boiler is large. High-performance special equipment mainly refers to the boiler, a pressure vessel heat exchanger equipment. Gas-fired horizontal multistage steam boiler power plant 'boiler energy saving technical supervision and management regulations "(hereinafter referred to as" Regulations ") on December 1, 2010 came into force. And the boiler flue gas temperature can not be raised above 170 ℃, the thermal energy efficiency of the gas boiler 88% or more, does not reach the efficiency metrics for the use of the boiler can not be registered. In a conventional boiler, fuel combustion in the boiler, the exhaust gas temperature is relatively high, the water vapor in the flue gas is still in a gaseous state, it will take away a lot of heat. In all types of fossil fuels, the highest quality of natural gas the hydrogen content of the hydrogen percentage of about 20% to 25%, and therefore, the exhaust contains large amounts of water vapor, it is estimated that one square meter of combustion steam to natural gas produced heat away paper as 4000KJ, about 10% of its gross calorific value. Flue gas condensation heat recovery unit, with a lower temperature of the water or air cooling the flue gas, the flue gas temperature is reduced to achieve close heat transfer surface area, condensation of water vapor in the flue gas, the sensible heat of flue gas while achieving release of latent heat of condensation and water vapor release, while water or air absorbs heat in the heat exchanger is heated to achieve heat recovery, improve the thermal efficiency of the boiler. Boiler thermal efficiency increase: 1NM3 natural gas combustion flue gas production theory is about 10.3NM3 (about 12.5KG). Excess air factor of 1.3, for example, flue gas produced 14NM3 (about 16.6KG). Take decreased flue gas temperature of 200 degrees Celsius and 70 degrees Celsius, physically sensible heat released about 1600KJ, taking water vapor condensation rate of 50%, releasing latent heat of vaporization of about 1850KJ, total heat 3450KJ, about 10% of the net calorific gas, if the taken 80 % flue gas into the heat recovery, energy efficiency can be improved more than 8%, natural gas fuel savings of nearly 10%. separate arrangement, the installation forms, flexible and reliable. Spiral finned tube as a hot surface, heat transfer efficiency, sufficient heating surface, the flue gas side of the system small negative force, meet the general requirements of the burner.

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