steam generator evaporating steam

steam generator evaporating steam

Plants use existing ordinary way for the steam boiler steam solutions for problems: 1, big waste of energy: pipeline transport long distance, large energy loss. Steam from the steam boiler plant to have many points have become a condensate. Especially at night discontinuous steam plant, each with steam before the need to discharge large amounts of condensate, resulting in waste of energy. 2, managers and more: Boilermakers need to arrange several on duty holder, increased labor costs. 3, beautiful plant has been greatly affected. Henan fast boiler recommended method: point - point steam supply way, needs to be placed side by side Henan steam boiler plant or equipment fast steam boiler, with the open with the use. Complete cancellation of the factory steam pipe network. And highlight the advantages of a conventional steam boiler: 1, Energy saving: Due to put an end to the pipeline transmission losses, energy-efficient way than conventional steam supply energy by 30-50%. 2, management is simple: Henan fast boiler steam generator evaporating steam boiler does not belong to the range of pressure that can be placed directly on the shop floor, without making a separate boiler room. When steam required by the plant workers can boot. 3, the plant more beautiful.

The steam generated by the boiler is generally measured in tonnage, but the steam turbine power generation is calculated by heat, and the two can be converted: generator electric power MW = boiler tonnage × steam per ton × steam turbine efficiency × generator efficiency. The steam enthalpy depends on the parameters of the steam. The pressure and temperature of the steam are different, and the enthalpy value is also different. It is generally considered to be 0.7. The coefficient of steam turbine efficiency and generator efficiency depends on the power station unit system.

Industrial production is inseparable from boilers, emission control of atmospheric pollutants boiler air pollution control in Shanghai to expand and intensify the focus of the project. Currently, Shanghai Industrial boilers alternative clean energy has been completed, nitrogen oxides (NOx) emissions of major pollutants as a boiler, the boiler due mostly low shelf emission source of ambient air near the ground and ozone greater PM2.5 influence, therefore, this release the new standard, the boiler will be low-nitrogen transformation, improve Shanghai air quality, protect people's lives and health and other aspects demand a strong thrust of great significance. Throughout the country, Beijing, Tianjin and other places have started low-nitrogen transformation boilers for low-nitrogen transformation has a more mature technology reserves. Based on the above considerations, for the effective control of NOx emissions from boilers, to further deepen cooperative control of PM2.5 and ozone, according to the standard first, to further accelerate the transformation of governance principles, it is necessary once again to revise the standard boiler.

According to local environmental standards and revision procedures, the Municipal Environmental Protection Bureau held a meeting to hear the relevant departments, enterprises and the opinions and suggestions of experts, and in 2017 August 4 to September 15 in the online open standard full text to solicit public opinion. At the same time the Ministry of Ecology Environment solicit written opinions Municipal Development, City Commission by letter and other related commissioned Bureau, industry organizations and boilers, production units and other enterprises. Municipal Environmental Protection Bureau and the Municipal Quality and Technical Supervision on January 19, 2018 organized the expert technical review meeting, the panel agreed that standards through technical review. Approval by the Municipal Environmental Protection Bureau and the Municipal Quality and Technical Supervision audit report to the municipal government.

The new standard has been revised for several aspects, one is no longer on the "central heating boiler and the nominal amount of evaporation less than 65t / h boiler cogeneration" provisions alone time; the second is to simplify the original class standard boiler merged into " gaseous fuel boiler "and" boilers "categories; are three different degrees of contamination tightened limits particulate matter, sulfur dioxide and nitrogen oxides; four new boiler is implemented from the date of implementation of this standard, the boiler given a transition period of about two years.

New standards for gaseous fuel boiler particulate matter, sulfur dioxide and nitrogen oxides are applied strict limits, but mainly considering the control of nitrogen oxide emissions, and further improve air quality. In the transition period boiler (1 October 2020) to limit nitrogen oxide 150mg / m³; after a transitional period of 50mg / m³. Date of implementation of new boiler nitrogen oxides from standard starting execution 50mg / m³ limit. Taking into account the comprehensive utilization of straw in Shanghai, biomass fuel boilers follows the standards of the original project control and limit requirements.

Steam generator in thermal power station refers to a specific type of large heat exchanger used in a pressurized water reactor to thermally connect the primary (reactor plant) and secondary (steam plant) systems, which generates steam. 35 ton coal fired steam generator evaporating steam means this steam boiler generating 35 ton steam per hour. Besides, here the writer strongly recommended DHL single drum coal fired steam boiler for thermal power plant.

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