What is the reason for steam boilers for drying explosion? Boiler itself is flawed: the pressure component aging, strength weakened, or leakage, corrosion, deformation, scaling and other defects can not be timely maintenance and eliminate hidden dangers, but let the disease run with the boiler and so on. Fuel gas boiler is not only fuel but also refers to the gas boiler. Previously no such dual-fuel boiler, burner because either fuel or gas, no dual fuel burners. With the rapid development of the world energy equipment, some European countries begin production and sales of fuel gas burner, dual fuel burner and boiler combination of organic birth of a new breed of boiler - fuel gas-fired boiler. Therefore, we must carry out regular inspection of boilers in accordance with national requirements. 3. poor management, furnace workers irresponsible or low levels, lead to misuse. Therefore, furnace workers must obtain a certificate as required. None of the above is the main reason for the actual boiler explosion. In actual operation, the most common situation is that the boiler add cold water and drying, which is very dangerous. Biomass boiler is a kind of boiler to biomass energy as a boiler fuel called biomass boilers, steam boilers into biomass, biomass hot water boiler, biomass stove, biomass thermal oil heaters, vertical raw biomass boilers, biomass boilers and other horizontal. This is also the operators need the most important thing vigilance. There may be debris blocking the pressure cooker vent, causing the pot to continue to increase pressure, excess pressure can not be discharged to reach the pot of strength, can withstand the pressure will naturally explode, of course, does not rule out the cause of pan itself. Substandard quality, tank leaks, inadequate exhaust usually cause an explosion. Therefore, before use, carefully check the vent is smooth, not to violate the specification and taboos, without any danger.
50, when arranged inside the boiler room to note a safety distance, the front end of the boiler ready spacing of not less than 2/3 of the length of the furnace, and not less than 2 m; vertical boiler can be shortened; bulk boiler is not less than 4 m and does not affect the blast furnace operation and maintenance. 2, the boiler side and rear channel spacing of not less than 0.8 m, and should meet the operational and maintenance (such as replacement tube bundle cleaning, stirring the fire, etc.) requirements. 3, the top horizontal boiler headroom not less than 2 m; vertical boiler top clearance height to facilitate the operation and maintenance; headroom boiler room the other channels, should not be less than 2 meters, when the passage of time and no need to operate its headroom height of 0.7 meters. 4, the boiler room is provided for two or more boilers, the boiler the distance between adjacent not less than 1 to 1.5 times the cylinder diameter of the boiler. 5, the boiler room is generally preferred fireman operation chamber provided, on the total rated greater than or equal evaporation 4t / h steam boilers for drying (heating or hot water boiler is equal to or greater than 2.8MW) must be provided stoker operating room. Electric boiler tank may be provided in front of the boiler, and to ensure the art to fireman facing boiler water gauge, pressure gauge and other instruments during operation. 6, to the total rated evaporation 2t / h fuel gas boiler room to be provided or water spray foam fire extinguisher system, should outdoor outdoor fire hydrant, other fire-fighting equipment should also have the boiler room. 7, the fuel in the boiler room daily oil tank, the oil pump is generally not located in the boiler room, between daily oil tank, the oil pump between the application of the fire resistance of greater than 2.00h wall, the fire resistance of greater than 1.50h floor spaced from the other parts. Daily fuel tank between the boiler room and the door between the oil pump should be able to self-closing fire doors Class A, and let the oil block measures. Household upper tank return pipe to be provided, should be greater than the oil return pipe back to the oil pump. 8, an oil tank and all piping must have a reliable electrostatic grounding, the grounding resistance should not exceed 30 ohms. 9, gas boiler room boiler design should also comply with the relevant safety requirements of gas boiler room.
Spark ignition rods gas boiler, but because the misfiring spark ignition rods gas boiler misfiring but the reasons: 1, the cyclone disc space ventilation is blocked carbon, poor ventilation. 2, dirty oil nozzle clogging or wear. 3, the throttle angle is set too small. 4, the firing bar from the leading edge from the oil nozzle tip inappropriate (too protruding or retracted) 5, the first solenoid valve is an oil debris blocking gun (gun small kerosene). 6, oily or too viscous to flow easily clogged or the oil filtration system the valve is not opened, so that insufficient suction pump, oil pressure. 7, the filter pump itself blocked. 8, the oil more water (boiling abnormal noise within the heater). Gas boiler ignition spark rod action but misfiring are: clear; the first washing, such as not renewed; turndown test; adjusting the distance (in 3 ~ 4mm as well); Remove cleaning (cleaning the parts diesel) ; For more information about oil oil oil, information technology please pay attention to the public number of oil rings. Check the pipeline and oil filters, insulation equipment; peripheral screw pump removed, carefully remove the cover inside out net oil, diesel oil immersion; renewal of the test oil. When the gas boiler and turn the fire a small fire normal, off, or flashing the causes of instability: 1, air volume damper setting fire too. 2, oil fires micro switch valve (damper outermost that group) inappropriate setting (set throttle air flow rate is greater than the fire). 3, oleaginous easy to spray viscosity is too high (heavy). 4, and the nozzle plate spacing cyclone inappropriate. 5, fire nozzle worn or dirty. 6, the preliminary fuel tank temperature is too high, so that the steam not smooth oil pump oil feed. 7, gas hot water boiler fuel oil water. When a small fire gas boiler normal and turn the fire extinguished or flashing instability action: Test gradually reduced; heating temperature; adjusting the distance (between 0 ~ 10mm); clean or replace; i.e., set to about 50 deg.] C may be; or drain oil change.
Wenzhou City, Zhejiang Province, is one of the countries and determined implementation of the regional focus of the Battle of Blue Sky. In order to improve air quality in the city of Wenzhou, improve people's livelihood well-being, for the governance of air pollution, Wenzhou City, developed and introduced the "winning Blue Sky Battle action plan" (hereinafter referred to as "embodiment"), give the city the power to defend "Wenzhou blue." Program 2020, in Wenzhou PM2.5 average concentration is maintained at 35 micrograms / cubic meter (city maintained at 31 micrograms / cubic meter), air quality control over the ratio of the number of days of 90% (93% city control ), severe weather and pollution more effectively controlled.
"Plan" also lists the specific implementation timetable: by 2020, the basic completion of provincial trunk pipeline construction, the basic realization of natural gas every county, the city's natural gas consumption amounted to 570 million cubic meters. In principle, to new natural gas cogeneration and gas chemical projects. By 2020, the city's total coal consumption decreased by 5% compared with 2015, accounting for the proportion of total energy consumption fell to 42.8% or less.
There are several types of "big coal" will be gradually phased out, including environmental protection, energy, security and other non-compliance of 300,000 kilowatts coal-fired units, 10 steam tons / hour and tea furnace coal-fired boilers, around the built-up area , operating a stove, grain storage and drying equipment, coal-fired facilities, more than 10 steam tons / hour and 35 steam tons / hour of coal-fired boilers. Before the end of 2020, 300,000 kilowatts and above thermoelectric coal-fired boilers and small coal-fired thermoelectric backward within the range of 15 km radius of the heating and power plants all closed down integration.Free Chat
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