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The need for paper industry paper industry conversion of coal-fired boilers to gas boiler is a boiler equipment industry needs is more important, because a lot of links to the papermaking process requires a lot of steam drying, stereotypes and so on. However, along with the national policy of environmental protection departments to ban coal-fired boilers, and now more and more manufacturers have to use coal-fired boilers to coal-fired boilers upgrading or purchasing a new low - NOx emissions. Paper mill boilers from coal to gas fired boiler is an important direction of current reform, is one more type of enterprise transformation, especially in the area more natural gas, coal into gas boiler is the main way. 1, in order to transform mechanization layered fired boiler gas boiler, you should first remove the front arch and a rear arch, while increasing the bottom heating surface, instead grate, grate to prevent overheating, combustion; 2, through the furnace heat transfer calculation methods determining the size of the boiler, furnace flame center position, and then pouring furnace work. In order to avoid the center position after arch boiler tubes, based on the original slope of the original arch made pipe. 3, the furnace in order to prevent an explosion, when the coal-fired boiler furnace gas is substituted, or when fuel not atomized combustion gases in the furnace incomplete combustion or heating surface of the end of the furnace, a fire or explosion occurs, should be mounting the appropriate parts of the boiler explosion vent, and to increase the ignition and flame failure protection program control to automatic control means, to ensure safe operation of the boiler. 4, is closely related to the selection and arrangement of the burner and furnace, the filling degree of the flame in the furnace should preferably not to form a dead air. Gas burner arrangement considered reasonable and piping layout, easy operation, maintenance and inspection.
What are the reasons gas china industry steam boiler popular? What is the reason gas steam boiler is popular? 1: the use of more environmentally friendly cleaning gas steam boiler. Gas hot water boiler with environmental protection, energy conservation, safety, salient features fully automatic operation, and ease of use. In addition, due to the operation of the economy, government policies to encourage, gas hot water boiler more and more people of all ages. Biomass boiler categories: biomass boilers Horizontal, vertical biomass boilers. Biomass gas thermal oil heaters, biomass steam boiler, biomass hot water boiler, biomass oil furnace. Gas-fired steam boiler burner underlying mode, two-pass configuration, the fuel combustion, the boiler operation is stable and take up less space, while the spoiler is inserted smoke tube, smoke slow speed, increase heat transfer, a high thermal efficiency, reducing users enjoy the reputation as the cost of natural gas is a clean fuel, do not emit harmful gases and soot in the combustion process. Therefore, do not pollute the air and the environment. Soot or carbon dioxide generated by conventional coal-fired boilers not only affect the air quality, but affect the health. Therefore, the use of gas steam boilers are environmental requirements. 2: high thermal efficiency of the reaction gas used in the thermal efficiency of the steam boiler is faster than the reaction of other aspects of the boiler, because natural, natural gas is used as a pollution-free high heat of combustion of the fuel, the higher the fire, heat faster switching speed, steam from the water pot and continue to release the faster. Compared with other coal-fired and oil-fired boilers, thermal efficiency is the fastest, most effective. Third: run more intelligent gas steam boiler does not require manual operation, does not require complex operational intelligence Zidongkongzhi whole process. All the work process only requires prior set all the parameters you can use. Gas steam boiler design according to user requirements, start, stop, automatically adjust the water supply load. Occur during operation of any abnormalities can also achieve self-diagnostics, interrupts combustion, sound and light alarm.
Steam boiler automatically displays the instrument will encounter in the use of water which asked china industry steam boilers by fuel can be divided into electric steam boiler, steam boiler fuel, gas steam boilers. According to the structure can be divided into vertical steam boilers, horizontal steam boiler, steam boiler small single, double back to the vertical structure, large steam boiler mostly as three-pass horizontal structure. When the water level is low or groundwater automatically display meter, installed in the steam boiler only a low level means, even water too thin; when the groundwater level automatic means or instruments show lower, the steam boiler is mounted in a water only means; e no other ground water drainage means drainage cock; drum means on a level effective means further water damage; plug door apparatus can not twist the water level; a level plug door apparatus leakage leakage; means water false water level display; water level on the two drum devices are inconsistent; water glass breakage frequently means; glass protection device is not level; water means water level glass plate red indicator is not displayed; glass plate It does not show red; red glass panel is not displayed. If the apparatus dirty water, the water level can not be clearly observed. Steam boiler water level gauge inconsistencies mainly glass and clear observation of steam boiler water level gauge is not cleaned for a long time during operation, routine maintenance is not performed, resulting in water means cocks rust, soda connecting tube blockage. Or filler inadequate or aging. In addition to steam, water or tap is blocked, the phenomenon of false water level may also be due to misalignment between the steam pipes and caused the water level instrument; steam, dislocation faucet handle position will result cocks closed, but may also be due to boiler poor water quality, and water vapor and water and the water level caused by false. Broken glass is mainly water vapor, the centerline of the tap out of alignment, the bending stress in the glass tube memory, no glass expansion gap length is too large, the water level window directly blown cold, poor quality glass. During the boiler operation, we found that the water level is unclear, when the ultra-high water level should be stopped immediately, should discover the problem.
It is reported that in the phase-out of coal-fired boiler reconstruction project, Jinan City, Shandong Province Finance Bureau has appropriated out of the transformation of coal-fired boilers municipal county area of awards and subsidies 310 million yuan for the enterprises, units out of coal-fired boilers and special awards subsidy.
The allocation of financial awards complement funds, aims to accelerate the transformation of the city's coal-fired boilers out of work, to further improve air quality, according to the municipal government office "on accelerating the transformation of the city's coal-fired boilers out of work notice" (Ji Zheng Ban word  4) the requirements of the embodiment.
According to the municipal environmental protection department statistics, in 2017 the transformation range Jinan included in the elimination of 35 tons of steam and the following business units of coal-fired boilers 323 units, 1605 tons of steam coal-fired boiler units of 69, 189 tons of steam; the need for ultra-low emissions the transformation of more than 35 tons of steam coal-fired boilers of 94, 14 960 tons of steam. The issued rewards and subsidies, the Municipal Finance Bureau to take "the first disbursement, after the liquidation," the way out of the transformation of the inclusion of ultra-low emissions and transform the scope of coal-fired boilers in 2017 the implementation of full coverage, in accordance with the award criteria make a one-time pre dial counties and districts, counties and districts in the implementation of rehabilitation programs out of the boiler can award up early disbursement of funds of enterprises and units, to be enterprise, unit after the completion of the transformation carried out of funds liquidation.
Meanwhile, the Municipal Finance Bureau called on counties and district financial departments should closely cooperate with the environmental protection department, the main responsibility for the effective implementation of good out of the transformation of coal-fired boilers, will award up funds earmarked for municipal 35 tons of steam coal-fired boilers and substitution and elimination more than 35 tons of steam coal-fired boiler reconstruction project of ultra-low emissions (including troops out of coal-fired boiler replacement) cash incentives and subsidies, strengthen capital management, give full play to the financial capital efficiency.
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