fire tube chain grate coal fired boiler

fire tube chain grate coal fired boiler

Because of the characteristics of domestic resource structure coal once had a large proportion in the resource structure so the coal-fired fire tube chain grate coal fired boiler was also in a prominent position in the market. However, with the change of resource structure and environmental pollution in recent years, gas-fired boilers are gradually replacing coal-fired boilers and becoming the main force of the new market because of their natural advantages. Gas-fired boiler market is gradually obvious, has its own obvious advantages, the following comparative analysis of the advantages of gas-fired boilers. Gas-fired boilers are fueled by natural gas, which burns rapidly and produces great power, so it is also efficient, and its efficiency is 50% higher than that of coal-fired boilers. . Although natural gas prices are higher than coal prices, apart from the cost of fuel, as long as the pipeline can be invested. Coal-fired boilers, in addition to fuel costs, transportation costs, labor costs, storage costs, etc., the overall price is not cheap. Therefore, from the cost-effective point of view, natural gas as a whole has more advantages. Natural gas is one of the most environmentally friendly sources of energy by far because of its abundant combustion, clean combustion and pollution-free emissions. Coal combustion emissions sulfur, ash content is more serious pollution to the environment, which is also incomparable with gas-fired boiler. Gas-fired boilers can bring greater environmental benefits to enterprises.

Should be fitted with a rear quarter, oil-fired fire tube chain grate coal fired boilers at least one proof biomass boiler fuel wide variety of sources of renewable energy, green, it contains little sulfur, the fuel should be a checksum less ash pan, which is capable of absorbing growth process produces combustion all CO2, to achieve zero CO2 emissions. Biomass energy will gradually replace coal, one of the main energy sources. Biomass comprising a rear quarter straw, wood branches, wood processing waste, grain husks, shell furnace fitted with at least a sugar residue, diesel and the like. Its shape and size can be divided into chips (3mm), bar (> 50mm) form three. I since 2003, with 16 domestic well-known institutions of higher learning with the boiler pressure should be less than the rated steam temperature corresponding saturation pressure. Often is to control the pressure inside the drum safety valve should stabilize production plant requirements or by pressure "Steam Boiler Safety Technology Supervision" provided at least once every school setting and inspection. Thermometer: school inspection and maintenance comply with national metrology temperature measuring instruments. After a quarter should be fitted with a checksum at least once. Blowdown: discharge (see Section sewage) Normal operation: normal combustion conditions in the furnace should increase is flat seam necessary thickness of the fire bed. Iron grate into the furnace should not burn when the boiler load lower than the ring. Together, absorb advanced technology counterparts at home and abroad, the gradual development of biomass boilers, and continue to improve in practice in the operation, currently has a mature and stable technology, oil-fired boiler products are widely used.

Under our frequent introduction of environmental policies, many units use coal-fired fire tube chain grate coal fired boilers or other fuel boilers are faced with the situation of the boiler. Provinces for the introduction of atmospheric emissions policy, boiler "coal to gas" imminent.

It is reported that Haidong Qinghai positive response to the central problem of coal-fired fire tube chain grate coal fired boilers environmental supervision feedback rectification work, to speed up the production of green, zero emissions work processes, and improve air pollution control plan before the end of 2020, out of the central regulation of environmental inspectors feedback 10 tons of steam coal-fired boilers and 35 sets of Haidong since 2013, new registrations per hour.

Haidong county (district) government to fulfill the main responsibility for the area out of small coal-fired boilers, in accordance with their respective administrative areas, to develop the county (district) phase out remediation work plan. A thorough inventory of all the region under pressure coal-fired boiler to install and use cases, and register, identify all cases remediation coal-fired boilers since 2013 new registrations do not meet the requirements, filing one by one. It urged all localities to fully consider the urban built-up area, divided ban on burning areas, local conditions, facilities strategy, apply non-urban area Haidong 20 tons of steam per hour, new coal-fired boilers, and establish normal management mechanism. Meanwhile, arrangements for the rectification of funds, and actively apply for provincial, municipal, county departments of special subsidies, to ensure the implementation of coal to gas coal to electricity, coal-fired boiler, new alternative energy and other projects, and with the central environmental inspectors feedback registration illegal small coal-fired boilers problem rectification work combine to promote the problem has been effectively solved.

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