power plant engineering boilers

The roving inspection system of power plant engineering boilers is that the personnel on duty should do their own work well, check the equipment under their jurisdiction in accordance with the regulations, and carefully check it, and there must not be any omissions. In the process of circuit inspection, once abnormal phenomena are found, the correct measures should be taken to deal with them in time, and the corresponding records should be reported and recorded in time. Check to be comprehensive and meticulous, to understand the operation of the equipment thoroughly, can not be vague and approximate. After completing the work in an all-round way, the report will be able to be carried out. If a defect in the equipment is found, it shall be recorded in the equipment defect record book in a timely manner. For later investigation. To do a good job in succession work, the specific situation is explained in detail.

Recently, Shaanxi Province, issued a "Boiler Air Pollutants Emission Standards" ( "Standards"), the "standard" in the concentration of air pollutants emission limits thermal power power plant engineering boilerss and industrial boilers, we have developed a monitoring requirements.

Thermal power generation boilers including boilers of various capacities and various gas turbine capacity, fuel main types of coal, natural gas, oil, biomass, like other gas. Use gangue, oil shale, petroleum coke, fuel, sludge and other coal-fired power boilers reference emission limits fired boilers performed.

Industrial boilers including industrial boilers, various types of fuel capacity mainly coal, gas, oil, biomass, and so on. Boilers using coal, coal water slurry, coal waste, semi-coke, petroleum coke, oil shale and other fuel fired boilers performed with reference to emission limits. Using alcohol fuel (e.g., methanol, ethanol, dimethyl ether, etc.) with reference to the boiler exhaust gas boiler limits performed. Oil and gas dual-fuel boiler in accordance with the type of execution are oil-fired boiler and gas boiler emission standards. Other types of fuel mixed fuel boilers by performing more stringent emission standards.

Market Prospect of heating Boiler Control systemThe emission of pollutants such as smoke and dust caused by the combustion of power plant engineering boilerss has seriously affected the atmospheric environment of our existence. With the development of computer technology and primary instrument technology, computer control boiler system has been greatly developed and improved, and has been widely used in the control of large, medium and small boilers. At present, the boiler microcomputer control system is mainly divided into two ways: distributed and centralized. Distributed type is mainly used in the control of large-scale boiler system, including: central microcomputer, field microcomputer, PLC and field instrument. Centralized for small boilers, including industrial control computers, peripherals, industrial automation instruments. Here, the adoption set The Chinese-style control system, which controls three four-ton water and steam stoves, is generally simple in structure and convenient in use. It is mainly composed of a hearth, a furnace, a superheater, a economizer and an air preheater. In terms of measuring parameters, there is generally a furnace temperature, which is composed of a furnace tube, a furnace, a superheater, a economizer and an air preheater. Furnace pressure, steam flow, circulation flow, exhaust temperature, etc. The industrial control computer is the core of the whole system, which is mainly used to manage the whole system and to control the boiler, organize the information, print the report form and alarm, and require a friendly man-machine interface. Can display the boiler timing flow and each parameter accurately, controls the boiler in the best condition operation. External equipment is industrial control The connection part between the computer and the field instrument is composed of the interface part and the actuator. The interface part mainly realizes the collection of the data collected by the external sensor, as well as the realization of the external control, including: violating the 12-bit AXD acquisition card, 8-way 8-bit isolated D / A card, cursed light isolation D / I card, break light isolation D / O card, I-turn template, relay board. The General Office of the State Council 26 issued the 2014-2015 energy conservation and emission reduction low-carbon development action plan notice. The notice calls for faster upgrading of coal-fired boilers. Investigation on energy consumption and pollution emission of boilers should be carried out. Implement energy saving and environmental protection synthesis of coal-fired boiler We will phase out 50, 000 small boilers in 2014, phase out 200000 tons of backward boilers by the end of 2015, promote 250000 tons of high-efficiency, energy-saving and environmental-friendly boilers, and comprehensively upgrade coal-fired boilers to dust removal. The coal-fired boilers with a capacity of 20 tons / hour or above have been completely reformed, resulting in an energy-saving capacity of 23 million tons of standard coal, a reduction capacity of 400000 tons of sulfur dioxide and a reduction of 100000 tons of nitrogen oxides.

According to a set of data shows that the total capacity of circulating fluidized bed power plant engineering boilers of our equipment has been close to 100000000 kilowatts, of which 300000 kilowatts of circulating fluidized bed boiler unit has been put into operation, the overall performance of several boiler plant 300000 kilowatts of circulating fluidized bed boiler has reached 115, which shows that the development and promotion of energy-saving circulating fluidized bed boiler has broad market space.

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