Coal Fired Steam Generator Three Pass Steam Boiler

Central heating hot water boilers for heating in winter is an important measure in most parts of China. Hebei Guan China Fortune Foundation Limited mainly engaged in real estate projects, is a leading industrial town operators. Heating service is primarily aimed at the Group's residential housing and other real estate. With the full open sky Battle, continue to improve the proportion of clean heating, heating for the implementation of clean energy, China Fortune Foundation to purchase much-needed high performance hot water boiler clean and green products. After comparing a number of boiler plants, the best of the best, determined to cooperate with the fast boiler in abundant clean energy R & D experience in boiler party. Providing fast boiler SZS Series 2 gas hot water boiler according to the actual needs, respectively 58MW and 29MW.

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.

Small electric steam generator What are the benefits, features? First, electric and gas, fuel oil to generate steam compare the advantages and disadvantages: advantages and disadvantages of gas: Advantages: coal is the most economical energy per kilogram of coal can produce more than 5,000 calories, can produce around 60,000 kg of steam (theoretical value). Both economical than electric, fuel oil and natural gas. Disadvantages: 1, low efficiency, although theoretically per kilogram of coal can produce more than 5,000 calories, but due to the limitations of the gas boiler and the Boilermakers by human factors, the real heat of the steam is converted to produce far less than the theoretical value, the heat efficiency of around 60%. 2, can not do automatic control, if the device is not continuous steady steam steam that instant steam consumption fluctuations, the steam produced by the boiler with the steam in the bottom of the valley steam equipment can only let go waste. 3, need specialized operators, high labor costs. 4, do not meet the requirements of modern environmental protection, banning small gas boiler is the trend. The advantages and disadvantages of fuel: fuel meets the requirements of environmental protection, the state has not been expressly provided, however, based on current oil prices, its economy has ceased to exist. Per liter of oil can produce more than 18,000 calories, about 60% utilization, we can produce about 10 kg of steam. Which produce one ton of steam costs around 800 dollars (at current prices). The advantages and disadvantages of heating: Cons: Because electricity is converted from the other sources of energy, so the relatively high price point, once electricity can produce about 1.5 kg of steam. Calculated to produce 1 ton of steam costs about 400 yuan or so based on the current average domestic electricity bill. More expensive than gas. Advantages: 1, high efficiency, above 98% heat utilization. 2, it is possible to achieve automatic control device can automatically adjust the operation of the equipment in accordance with the amount of steam vapor apparatus, according to how much power consumption is the amount of steam may be. There is no waste. Particularly suitable for the case of steam is not constant. For example: a user selection of 0.5 t / h of electric steam generator, power is 360KW equipment, operation at full load, the theoretical power consumption of 360 degrees / hour, but if the user one hour using 200 kg of steam only, then only the power 140 degrees. In many industries such as: medical and pharmaceutical industry sterilization, washing and drying equipment, chemical equipment, etc., the amount of steam is intermittent, this situation if you use gas-fired boilers, there will be large

The basic configuration of the heat of the gas coal fired steam generator three pass steam boiler steam boiler and service method is natural gas, liquefied petroleum gas, fuel gas such as city gas as fuel, the combustion in the furnace released heated pot water, and allowed to vaporize into steam heat conversion equipment. Water in the pot is continuously released from the combustion of a gaseous fuel energy to heat the furnace, raising the temperature and generating steam under pressure, since the boiling point of water with elevated pressure is raised, the pot is sealed, the expansion of the water vapor inside limited dynamic pressure generated heat is formed as an energy source is widely used. Steam boiler fuel burn-up and to ensure that the flue gas outlet temperature was cooled to a safe value convection heating surface of the work; using the heat of the flue boiler feedwater heating, in order to reduce exhaust gas temperature, fuel economy and functions. Each steam generator heating surface and joined together and water wall tubes and other components decreased water circulation circuit. Soda storage drum, can adapt to changes in load, with internal steam separator means to ensure the quality of soft drinks, no DC boiler drum. Gas steam boiler feed water must go through qualifying process, which is to extend the life of the boiler, ensure the safe operation of the important issues. Water temperature should be close to the furnace temperature. Must regularly inspect the low water cutoff maintenance and cleaning. Water Level Controller cleaned at least once a month, rinse water table at least once a day. Rinse water table should be at the highest level; after flushing the water level should not be less than the minimum safe level, not as a net wash, can wash many times, but it must be flushed at the highest level. Require periodic sewage operation, at least once a day, after the sewage drain valve should be checked because of possible contamination and leaks; if it must be excluded. When shutdown is not maintained while the steam pressure, the steam space of the boiler will produce negative pressure air entrapment, and therefore should rise again to the fire burning total steam valve is opened.

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Power Plants of the Future: 21st Century Coal-Fired

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