Necessity textile mill converted to a coal-fired coal fired threaded line pipe boiler 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. Mills from coal to gas boilers is an important direction of the current transformation of coal-fired boilers, is one of more types 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, convenient operation, inspection and maintenance;
December 20, "Shanghai Air Pollution Prevention Act," a modified version of issued and published by the Shanghai Municipal People's Congress Standing Committee, with effect from January 1, 2019 came into effect.
First, the discharge of industrial waste gas or coal-fired heat production specified operating business units of toxic and hazardous air pollutants listed in the directory of institutions, central heating and other facilities to implement pollution permits management according to law shall, pursuant to the provisions of Shanghai, to the municipal or district environment department applied for and obtained the focus of air pollutants discharge Permit (hereinafter referred to as emission permits); no discharge permit shall not discharge the focus of air pollutants.
Emissions to air pollutants shall comply with the air pollutant emission standards, compliance with the total focus of air pollutant emission control requirements. New construction, expansion, renovation project focused on emissions of atmospheric pollutants, the focus should obtain the total air pollutant emission targets in accordance with the provisions of, and environmental protection examination and approval procedures for construction projects. Need to apply for a discharge permit construction projects shall obtain emission permits before being put into production as required.
Second, easy to appear in the autumn and winter of heavy pollution weather, the city of steel, building materials, coking, casting, aluminum, chemical high emission industries related company should arrange production plan to strengthen air pollution control measures. Economic information administrative departments should strengthen the guidance jointly with the municipal environment department.
Third, the environment department to determine the emissions of air pollutants key sewage units, must be configured using air pollutant emission-line monitoring equipment, and the environment departments into a unified monitoring network.
Fourth, in addition to coal-fired power plant, the city's ban on new or expanded coal burning, heavy oil, residual oil, petroleum coke, high-polluting fuel (hereinafter referred to as high-polluting fuels) facilities; the construction of coal-fired power plant in accordance with the relevant provisions of Shanghai .
Gas-fired steam boiler in the use, operation is very convenient, so will much favored by all walks of life. Because the use of all natural gas pipeline, a sustained run without any problems. Eliminating the need to transport coal use and clean-up or stacking cinder and other tedious work.
4. Clean the reason why gas steam boiler in the market to get a high rating, but also because it is clean and not contaminated during use, and does not produce black bottom of the pot, there is no air pollution. Thus, in use, compared to other boiler is the cleanest way.
1, compared to the traditional coal-fired coal fired threaded line pipe boiler, gas boiler higher cost low nitrogen
Conventional coal-fired boilers is generally filled manually directly into the coal combustion furnace, this method results in very large combustion sulfide, soot and other harmful substances discharged into the atmosphere pollution index high; but also need to manually plus fuel, time-consuming and labor-intensive, more harm than good.
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