rules for construction of power boilers

rules for construction of power boilers

Advantage of Fire Tube Boiler

From a maintenance standpoint, fire tube boilers are typically have lower operating costs comparable to a similarly sized water tube boiler. Fire tube boilers have easy access to the boiler’s firesides and tubes can easily be replaced without additional repair of the boiler. Although fire tube boilers are smaller in design, they have a larger water volume than similar size water tube boilers, causing them to take longer to bring up to operating temperature from a cold start. Once a fire tube boiler is started up and is operating at its desired pressure, a fire tube boiler can handle a sudden upward load surge better than a water tube boiler because of the large steam disengaging area. The drawback to this feature is once the pressure of a fire tube is dropped, it takes longer to catch back up. With less water volume, a water tube boiler has the ability to follow load swings more precisely and generally has better turn down than a fire tube boiler.

Shanxi Province is located in China's western areas north of the Loess Plateau, the terrain finished solid, rich products. Thanks to energy supply and price advantage of coal, coke, metallurgy, electric power and other coal industry, the rapid rise of the formation of Shanxi coal-based economies of resource-based industries.

Shanxi Province, but had coal and Xing, but also because of the coal and sleepy. According to the report, "2017, Shanxi Province, coal accounted for the proportion of energy consumption up to 84.6%, higher than the national average of 24 percent, it is 2.9 times as much as the global average of Shanxi to 1.6% of the national land area, consuming about 10% of national coal amount. for Shanxi, winning the battle of blue sky, coal pollution can be effectively controlled is the key.

According to the "Blue Sky Battle Shanxi three-year action plan," issued in July this year (hereinafter referred to as "" Shanxi three-year action plan '') planning requirements, by 2020, sulfur dioxide, total nitrogen oxide emissions are lower than in 2015 more than 20%, compared to strive average concentration of sulfur dioxide in 2015 fell about 50%. Among them, 2020, total coal consumption in 8 cities in key areas to achieve negative growth, the province's coal consumption in primary energy consumption share dropped to 80%, the proportion of the province's coal consumption of coal accounts for more than 55%.

According to Shanxi Province Bureau of Statistics latest data, as of the end of August this year, Shanxi Province, the outgoing power 50.67 billion kwh, up 21.1%; the first half of Shanxi new energy consumptive power grid to complete 15.6 billion kilowatts, an increase of 58.2%, new energy abandoned consumption fell 90.6% year on year, abandoned electricity rate fell 10.2 percentage points.

The past two years the province shut down 52 coal mines, quit production capacity 45.9 million tons, subtract coal production capacity of 9.25 million tons per year, the completion of energy-saving 18 million kilowatts of coal-fired power plants, coal-fired power plants province's average coal consumption of electricity of 320 grams per kilowatt-hour of standard coal. In the first half of this year, the province's above-scale industrial Shanxi coal industrial added value increased only 0.8%.

The quality of one ton steam rules for construction of power boilers fast boiler thermal equipment Henan Henan party safe and secure and reliable fast boiler heat equipment is state designated large boiler manufacturers, the company began in 1987 and has twenty years of experience in the production of gas boilers, steam has a relatively mature boiler manufacturing experience, whether it is a manufacturing process or production equipment are the leading brands and the domestic industry, played a pivotal role in the steam boiler industry, the company has improved the quality system and advanced manufacturing gas boiler production technology. Henan fast boiler heat 1 ton steam boiler equipment adopts the latest three return, offset furnace wet back structure, greatly increasing the gas boiler heating surface of the fuel in the furnace into full play ,, use the burner supporting gas is imported from Italy , using an automatic combustion ratio adjustment, automatically adjust the water supply, the program start and stop, automatic operation and other advanced technology, and having a low water level and low level alarm, high vapor pressure, flame automatic protection function. Ensure that the boiler normal safe operation, the company has a professional service team distributed in more than 20 provinces in the country, once the boiler boiler failure of maintenance personnel to arrive at the point of use within 24 hours. Henan side heat boiler equipment quality checks at each level fast, has a mature production experience and improve service processes, Henan select fast boiler heat is your choice!

Which operating costs Food Factory Food Factory steam rules for construction of power boilers steam boiler operating costs have what? Food factory, is the need to consider the cost of running the boiler, after all, spending in this area is great. Therefore, companies need to be accounted for costs in this regard. Because the boiler fuel costs can account for the total cost of running the boiler nearly 90%, other electricity boiler operation is put into the boiler (boiler and burner give (up) pump) lighting and electrical consumption, run-time power consumption), water consumption (water) boiler, labor costs (salaries), boiler maintenance costs. If food plants using natural gas-type gas boilers, steam boilers according to the required operating time per day every day the amount of steam and hot water boilers, above all converted to full-load operation time. Tonnage boiler unit with a gas (80 cubic meters per hour per ton of the boiler) and natural gas can be monovalent. 1 ton gas steam boiler, for example: (1) When the rated evaporation capacity of 1 ton / hour, fuel consumption is 70 cubic meters of natural gas, according to 3.5 yuan / cubic meter natural gas prices (around the price is not very different), natural gas cost of 70 to 3.5 million yuan to 245 yuan; (2) gas-fired boiler during normal use, power is 0.65 times, at full power, so the power capacity of the boiler (1.5kw + 2.2 kW 2 kW) * 0.65 = 3.7 kilowatt, if electricity is 1 yuan / kWh, the power boiler per hour 3.7kw * 1 = 3.7 yuan.

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