Cause of the high energy consumption of electric steam low pressure steam system boiler horizontals through a lot of practice and testing, in terms of common understanding has been great progress in the actual design and the increasingly close. Current electric steam boiler heating operation and management, mainly built housing distribution sector professional management and self-management units into two categories, in general management level is relatively low. Some good situation under professional management, self-management units are few higher level, in the most basic high energy consumption, low efficiency of the situation. In addition, the prevalence of social importance heating, and energy-saving awareness is weak, new technology, new achievements rarely used, long stay in the extensive management experience, failed to improve the refinement of scientific management. For a long time, in the development of planning, lack of comprehensive planning electric steam boiler heating, new and piece together the knowledge, housing construction must attack, dispersed along a small hot water heating boiler room became expedient to form electric steam boiler room small-scale, small electric steam boiler capacity is causing a large energy consumption congenital defects, to form two small facts, it is indeed closely related to the lack of unified planning, and piece together the transformation because it is difficult to avoid unplanned blind. In the past, a considerable period of time, due to various heating design emphasis on safety considerations, the design heat load calculation results are generally much larger than the actual value required, so multi-radiator, electric steam boilers, large pumps, large diameter, first world situation formation of large horse-drawn cart, low-load, high-volume operation is widespread. This is due to the mismanagement of the designer heating operation, fireman low level of technology factors affecting heating do not know enough to worry about heating is not, will not dare to cut down the heat load, resulting in equipment is still too large, creating a vicious cycle.
Related calculations low pressure steam system boiler horizontal which standards need to refer to? Computing standards related to boiler there are many, mainly refers to the calculation of boiler design process need to make, which also includes two parts People's Republic of China national standards and national GB standard People's Republic of China Ministry of Machinery Industry Ministry JB, and, with the boiler technology the continuous development of boiler standards to be followed are times, however, there are still standards in 2003 even before the application, because the demand is still consistent with the current boiler design, production. The following is a brief example: "Steam Boiler Safety Technology Supervision", "industrial boilers General", "thermal test specification industrial boiler", GB / T16508 "boiler pressure boiler shell element intensity calculating", GB1576-1996 "low pressure boiler water quality standards ", DB11 / 109-2014" boiler air pollution emission standards ", GB13271-91 People's Republic of China environmental standards, BJ27-96" industrial boiler installation construction and acceptance "," shell boiler pressure element intensity calculation "" steam boiler safety technology supervision "," boiler room design specifications "," industrial thermal boiler test specifications, "" low-pressure boiler water quality "and so on.
The low pressure steam system boiler horizontal can fully recover latent heat from flue gas by adopting new heat transfer fin, heat transfer element and condensate drainage structure, and the exhaust temperature can be reduced to 40 ℃ ~ 80 ℃. The total pressure drop is small, the power consumption is less, that is, the flue gas pressure drop is small and meets the system requirements. Because of the high efficiency heat exchanger and reasonable configuration, the product is light weight, small size and beautiful appearance.
Currently, Yancheng City, Jiangsu Province, has issued the latest "Battle of Yancheng win the blue sky plan", in full swing atmospheric environmental governance. Details are as follows.
First, to promote non-power industry emissions of nitrogen oxides depth and steel industry to implement ultra-low emissions transformation. Achieve before the end of June 2020 discharge standards garbage incineration industry, gas-fired units are encouraged to implement advanced nitrogen removal, implementation of coal-fired units plume of white vapor recovery off the project.
Second, the implementation of total coal consumption control. Accelerate the "Yancheng reduce total coal consumption special action plan", strictly implement the same amount of coal consumption reduction alternative requirements, increase bulk coal remediation efforts for non-electric Yajian coal industry, and gradually increase the proportion of coal. New coal coal project implementation reduction instead. According to focus on the use of coal and clean use of principles, focusing on reduction of non-coal for electricity, the power sector coal consumption accounts for the proportion of total coal consumption to increase more than 65%. Continue to promote alternative energy coal and oil, electricity consumption by 2020 (calculated as the supply of standard coal) accounted for about 55% of the total social energy consumption.
The development of special programs, shutting down vigorously eliminate environmental protection, energy consumption, safety and other 300,000 kilowatts coal-fired units of non-compliance. For shutting down the unit's capacity, coal consumption and emissions targets, allowed to trade or replacement, can co-ordinate arrangements for building the capacity of ultra-low emission coal-fired units. Strict control of new coal-fired units installed capacity, the new electricity in the area rely mainly on non-fossil energy generation and transmission to meet outside.
Third, carry out comprehensive improvement of coal-fired boilers. Before the end of 2019, 35 tons of steam / hr and coal-fired boilers or eliminated all clean energy alternative embodiment, suitable remediation in accordance with the principle of the electric power, gas and other appropriate gas is to encourage the use of solar energy, and biomass energy; promote clean coal use, promoting clean and efficient coal-fired boiler, steam 65 t / h coal-fired boilers and more energy-efficient and ultra-low emissions completed transformation; low-nitrogen gas boiler is substantially complete transformation; urban area biomass boilers embodiment ultra low emission transformation; rest boilers with all the special emission limit requirements.
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The advances in steam pressure and temperature led to the development of the reheat cycle, where steam is exhausted from the high-pressure turbine at reduced pressure and temperature and is then returned either to a section of the boiler or to a separate boiler to be reheated. Once reheated, the steam is sent to the low-pressure boiler.Get A Quote
2015-9-25 · Fulton Pulse VLP Vertical Low Pressure Steam Boilers The application of the pulse combustion principle illustrates how fresh perceptions and changing needs can breathe new life into an old idea. The oldest patents related to this method of burning fuel in a resonating system were issued before the end of the 19th century.Get A Quote
Low-pressure heating steam, which enters the horizontal vessel through a sparger pipe in the bottom of the vessel, is provided to keep the stored boiler feedwater warm. 2. Spray-Type Deaerator:Get A Quote
The horizontal coal fired steam boiler is an industrial package boiler that is designed to be directly hoisted to the customers site for easy installation. The boiler is fueled by coal, and changes steam into water in order to heat water through the use of a heat exchanger.Get A Quote
Therefore steam boilers have to reach 90% efficiency. Schematical drawing of a modern low pressure steam boiler with steam superheater and smoke pipe system from MSD Corp. (Möschle Seifert Steaming Technology, Durbach, Germany) In professional horti- and agriculture mostly low pressure steamGet A Quote
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In order for steam system controls to function properly, they must be installed properly. In the photo to the right, a green-headed PRV (Pressure Reducing Valve) has been installed to reduce the higher pressure steam from the main steam header, to a lower pressure for use in a low pressureGet A Quote
A steam accumulator is a pressure vessel (or tank) with internals and controls, that can reduce the fuel consumption, maintenance costs and increase the service life of your boiler by stabilizing the steam draw conditions, but it cannot make up for shortcomings in total boiler capacity. The accumulator acts as a flywheel or capacitor, storing energy for short periods until the process requires it.Get A Quote
The starting or "cold water" pressure at the boiler - typically at 12 psi is for typical U.S. / Canadian residential heating systems normal cold temperature starting pressure. U.K. and european heating systems should be pressurized to between 1 and 1.5 bar - cold. Most heating boilers are provided cold makeup water through a pressure-reducingGet A Quote
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A boiler is an appliance designed to heat water and produce energy. The heat is applied to water in an enclosed container before being distributed throughout the system. The major difference between a low-pressure and a high-pressure boiler is the amount of pressure per square inch and pounds per square inch gauge that the boiler produces.Get A Quote