When gas boiler ignition, need to pay attention to what matters is the primary determinant of the ignition gas boiler started to master boiler ignition precautions to ensure the safe and stable operation of the boiler. 1, for gas-fired boilers, the ignition time if not successful, the need to purge the furnace flue, before a second firing. 2, in order to prevent a gas explosion, gas boilers not only to purge the boiler furnace and flue gas channel before the start, the need for a purge gas supply pipes. The gas supply duct media typically purged with an inert gas (such as nitrogen, carbon dioxide, etc.), and the purge of the boiler furnace flue with a certain flow rate is the flow rate of air. Case 3, in the rear of the boiler did not take anti-corrosion measures or condensation water collection, etc., gas boilers should avoid long-term operation at low load or low-parameter case. 4, the combustion gas boiler adjustment process, to ensure the quality of the combustion, it is necessary to detect smoke components, to avoid too high excess air and incomplete combustion. Generally, the gas-fired boiler during operation, the carbon monoxide content should be less than 100 ppm, and at high load operation, the excess air ratio should not exceed 1.1 to 1.2; under low load conditions, the excess air ratio should not exceed 1.3.5 , real-time attention should fireman switch case of a gas valve. Gas line not leak, if unusual circumstances, such as the boiler room abnormal odor, not open burners, ventilation should be checked to exclude odor, check valves, only put into operation is determined normal. 6, a gas boiler for liquid fuel with air, special attention should be ventilated boiler room. Because of severe liquid gases than air, in case of a leak can easily cause condensation of liquid and spread on the ground, resulting in a vicious explosion. 7, after a period of time or inspection line outage, when the single-column hydraulic machine into operation again, should open the vent valve, bleed time, deflation time should be determined according to the length of the pipeline and the gas species. If a longer boiler downtime, it should cut off the gas supply valve, close air release valve. 8, the gas pressure is too low and not too high, to be run within the set range, the specific parameter provided by the boiler manufacturer. When the boiler running for some time, found that the gas pressure is below the set value, should contact the gas company. Burner operation for some time, should be checked line filter is clean, as a lot of pressure drop, there may be too many impurities in the gas, the filter is clogged, washing should be removed, if necessary, replace the filter. 9, should comply boiler unit boiler manufacturers operating instructions provided by the manufacturer and the burner, and the description should be placed in a convenient place for easy, for inspection. When there are unusual circumstances and can not solve the problem, depending on the nature of the problem promptly contact boiler plant or gas company, to conduct maintenance by a professional maintenance staff. 10, shall comply with the provisions of the relevant gas. Not free to fire the boiler room, prohibited welding, gas welding and other operations in the gas pipe roadside.
Spoiler retardant inserted within a fire tube boiler, can slow down the rate of fume causes heat strengthened. Low temperature flue gas discharged from the smoke chamber, reducing heat loss to save fuel, the use of lower cost gas boiler professional.
Fast boiler was informed that Harbin City People's Government Office recently issued a "Harbin in 2019 to win the Battle of Blue Sky embodiment" (hereinafter referred to as "Notice"), referred to "notice" to implement the transformation of ultra-low emissions , with the transformation of the coal power plant conditions and the conditions of the urban built-up areas and over 65 tons of steam coal-fired boilers basically soot (particulate matter) ultra-low emission, all of the conditions of the energy saving and ultra-low emissions (particulate matter, sulfur dioxide, nitrogen oxide), substantially gas boiler low NOx combustion technologies. In particular implementation the conditions do not have emission limits, preferred embodiment of the grid or switch to clean energy. Increase Condensing units and cogeneration units technological transformation efforts, speed up the heating pipe network construction, improve the heating capacity and the full release. Cogeneration area does not have central heating conditions, the existing multiple small coal-fired boilers, to replace the principle of construction of large-capacity coal-fired boilers in accordance with the same volume.
Since January 1, 2019, the full implementation of thermal power plants and boilers in particular air pollutants emission limits. The development of industrial furnaces comprehensive remediation plan, establish management classification list. Carry iron and steel, building materials, thermal power and other key industries and fugitive emissions of coal-fired boilers investigation, the establishment of management accounting.
Good implementation of ultra-low emission coal-fired plants green electricity, coal-fired boiler out of grant funds to develop policy, research and comprehensive utilization of straw Jinshao, out of old cars, coal-fired boilers ultra-low emissions and energy efficient building renovation and other key tasks to support policy and actively for the central and provincial special funds for air pollution control.
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