Coal Fired Hot Water Boilers In Turkey
Combustion characteristics and operation of steam boiler steam for steam boilers everyone know how much will the following to let everyone have a preliminary understanding of the steam boiler by two aspects, but also hope to give a friend wanted to buy a steam boiler of some help. Chain-type layer is generally fixed combustible fuel steam boiler chain grate or a grate (the traveling), it is fixed only for small coal-fired boilers. The most commonly used medium-sized coal-fired boilers or for chain grate, as the chain travels will gradually sent to the tail of the coal grate in the process of moving complete fuel combustion tube from the inlet to the lower part of the grate grate internal supplemental air required for combustion, ignition top-down, no ventilation grate uneven seam and around the relative movement, through non-flammable. After heating area of the heating flue gas temperature of the working fluid designed to flow through the same furnace hot flue gas and heating surface arranged in the other exhaust flue boiler. Incidental chain grate type, scale type, beams, and other means, the current domestic applications mainly for small and medium-sized joint type and scale type chain grate, generally large chain grate beam type. Former steam boiler steam boiler system to start all waterproof steam cylinder valve open, let go condensate. The inlet steam valve slightly open, to warm up the cylinder, drain cocks to be out after closing the steam, drain cocks. The steam valve was then opened progressively larger until drainage tank vent cock and water out there, and closed vent cock drain cocks. Turn on the water supply valve to the boiler feed water. Steam boiler in operation if there is gas in timely attention tank, water tank periodically open the air discharge valve, in order to avoid air resistance tank, the influent. Pump flow regulator bypass should be adjusted to achieve the degree of opening of the valve, and not with a method of adjusting the outlet valve is adjusted. At the rated discharge pressure of the pump, which inlet pressure should not exceed a predetermined value. Inlet and exhaust pressure difference should be maintained within a predetermined range. Steam boiler steam valve should be shut down first, then turn off the water valve and turn on the water valve is open, then turn on the water faucet open the lower part of the tank and cylinder, the cylinder water drain. Of steam cylinder reciprocating pump, which cylinder two stroke difference should not exceed 5% of rated travel.
Strengthen the daily management and maintenance of boiler equipment during coal fired hot water boilers in turkey operation, the operator must follow the norms and requirements of the hot water boiler equipment, and regularly pan) furnace equipment inspection and maintenance, identify problems in time, mainly on the following aspects of inspection and maintenance: the construction of combustion equipment, if the middle grate to check for breaks, is off the grate, blowing the door to work, regular cleaning of existing combustion equipment coal ash and coal leakage, so as not to be grate jacking or blockage; check the furnace, flue ash doors, fire tube end hole, whether there is economizer leakage phenomenon, if the air leakage phenomenon, immediate repair; check valve, the pump, the valve stem is loose; squeeze water pressure gauge, safety valve if there is corrosion phenomena if repair or replaced immediately rust; regular inspection blower, fan and rotating equipment, to ensure clean these devices, during operation of the device bearing temperature should not exceed 40 ℃, the oil level in the bearing housing in two-thirds of the height of the bearing shell, if less than this height, it needs time to add Net qualified new oil; water treatment equipment regularly checked to see whether the boiler water boiler water quality standards and requirements for equipment operation, if it does not want to analyze the causes of excessive water.
Recently, the Changsha City issued a notice on the transformation of low nitrogen gas boiler related documents. Details are as follows:
1, a total transformation time for two years, 2019-2020 years.
2, the transformation range: High-tech Zone, Furong District, Tianxin, Kaifu District, Yuhua District, Yuelu District administrative region, the city of hope Gaotangling Subdistrict high Tong Ling Area, Osan streets Yujia slope Area, Lake Daze in the region ban on burning streets, white sandbar streets, moon Island street, Jinshan bridge street, Golden Park street, Xingsha streets of Changsha County, Hunan Long street, Quantang streets, Langli streets, long queue streets, such as the scope of the existing town of Sha It is not less than 1 ton of steam (greater than or equal to the rated power or hot water boiler, organic heat carrier in the boiler 0.7MW) gas boiler (facility) (boiler equipment including special directory outside the range) low nitrogen unit owners embodiments transformation. Or more areas outside the area of self-implementation.
3, the transformation of the standard limits: the new replacement and overall gas boiler Changsha NOx emission is less than 30mg / Nm³; gas boiler (facility) was transformed with the nitrogen oxides emission concentration of less than 50mg / m³.
4, 2019 Task: In addition to the Furong District, Yuhua District, within a range of high-pollution fuel combustion zone ban other jurisdictions to start the transformation from June 2019, 50% complete gas-fired boiler (facilities) low nitrogen transformation and complete acceptance.
5, 2020 Tasks: Before the end of October 2020 to complete all gas boilers (facilities) within the range of high-pollution fuel combustion zone ban on low-nitrogen transformation and complete acceptance.
What power plant boiler include? 1, "pressure part of the boiler" comprising: economizer, the drum, the downcomer, water wall, superheater and reheater, and soft drinks JOINT Unicom pipes, fixed and suspended boiler parts, heating surface, the furnace wall and other equipment, such as architecture. "Combustion Devices" section: the furnace, combustion equipment, air preheater, a flue and duct like. 2, the auxiliary system comprising: a fuel supply system, coal preparation systems, water systems, ventilation systems, dust removal systems ash, soot blowing system, a water treatment system, measurement and control system and a flue gas desulfurization system. Each of the auxiliary systems are equipped with the appropriate accessories and control devices. 3, the combustion apparatus by the combustion system, milling system, and Flue Gas system, etc., to complete the heating surface of the heat transfer process of fuel combustion and flue gas temperature in the furnace. 4, the water supply system and water system, evaporation system, and superheat and reheat system, system components, respectively, to complete the heating of the water, evaporation and superheating stage three tasks.