Method of reducing the exhaust gas temperature of the oil and wer plant boiler dispenser which: standard boiler exhaust gas temperature: between the boiler flue gas temperature of 200-230 deg.] C in accordance with conventional design national standard thermodynamic calculation boiler design requirements. Conventional exhaust gas temperature selected reasons, coal fired boiler combustion process will produce a certain amount of SO2, and SO2 below 170 ℃ will bind and generating flue gas H2O H2SO4 sulfuric acid, H2SO4 sulfuric acid and will form boiler heating surface of tail corrosion, thereby reducing the life of the boiler, conventional coal-fired boiler exhaust gas temperature is higher than 200 ℃. Temperature is high energy loss and more, is not conducive to energy saving. Cooling measures taken to ①, the economizer application: increasing the boiler economizer (economizer) of heat transfer area, larger than the conventional take about 1-2 times the flow cross sectional area economizer structure, effectively reduce smoke flow rate, to strengthen the heat transfer efficiency, reduce exhaust gas temperature; ②, air preheater applications: pipes connected to the air preheater economizer disposed, the apparatus can effectively increase the temperature of the combustion air, improving the ignition of the fuel condition. Very beneficial to the boiler combustion conditions. ③, adjust bidirectionality combustion system, a boiler originally designed for fuel specifications have some flexibility, different media in effect outside the combustion process are different, adjusting the embodiment, with the economizer and the air preheater using, the temperature of the boiler exhaust emission control at a suitable temperature, that make full use of heat energy, but also to ensure the integrity of the structure and function of the relative equipment, environmental protection, energy saving, security and development is the social responsibility of all of us for a rational design of industrial structure boiler, thermal efficiency is relatively high, its emissions would be relatively low temperatures, so we must be careful when choosing a boiler boiler property report form.
April 17, Nantong, Jiangsu Province, the municipal government issued the "Nantong City 2019 air pollution control program of work" ( "Program"). "Plan" is mentioned: Nantong City, 153 Taiwan oil and wer plant boiler dispenser regulation reform, which involves natural gas boilers, biomass boilers, coal-fired boilers; renovation project and will continue to implement ultra-low emission coal-fired units, a total of six thermal power companies more than 10 sets of 75 tons of steam / hour implementation of ultra-low emission coal-fired boilers.
1, the implementation of total coal consumption control. Strict control of the city's total coal consumption, focus more non-power industry scale industrial enterprises in coal consumption, ensure the completion of the province for cut coal task, the city's coal consumption in 2019 than in 2016 to reduce 2.46 million tons. Strictly implement the "Interim Measures for commercial coal quality management," restrictions on the marketing and use of ash ≥16%, sulfur ≥1% of bulk coal. A ban on new coal-fired heating boilers, and strictly control new coal-fired power projects along the Yangtze River in addition to the common back-pressure coal-fired units no new coal-fired power generation, heating project.
2, to promote the integration of thermoelectric project implementation. Coal-fired boiler with a takeover condition within a radius of 15 km of promoting heating above 300,000 kilowatts of large units and small cogeneration units shut down integration. Hoi Mei Ah thermoelectric Ltd. law shut down two coal-fired units totaling 27,000 kilowatts, the letter Qidong Taiwan 12,000 kilowatts coal-fired units.
3, to carry out comprehensive improvement of the boiler. Establish a list of the city's boiler management. Before the end of 2019, 35 tons of steam / h coal-fired boilers and total phase law or clean energy alternative embodiment, suitable in accordance with the electric power, gas and other appropriate gas the regulation principle; promote clean coal utilization, promote clean and efficient coal-fired boiler , 65 tons of steam / h coal-fired boiler and above all ultra-low emissions and complete energy transformation; promote the transformation of low-nitrogen gas boilers, in principle, after the transformation of nitrogen oxide emissions concentration up to 50 mg / m, and in accordance with the corresponding boiler safety requirements. Urban built-up area of ultra-low emission biomass boilers implement reform; the remaining boiler with all the special emission limit requirements. Boiler renovation project completed in 2019 153.
4, to further promote the ultra-low emission coal-fired thermoelectric renovation project. Ultra-low emission coal-fired units continue to implement reconstruction project for six thermoelectric companies 10 75 steam tons / hour and over the implementation of ultra-low emission coal-fired boilers transformation. (Municipal Bureau of ecological environment lead)
5, along actively embodiment desiccant fumes off white coal-fired units. Huaneng Power International, Inc. Nantong Power Plant, Jiangsu Nantong Power Generation Co., Ltd. Nantong Tianshenggang power generators and Nantong Acetate Fiber Co., Ltd., Nan Ya Plastics Co., Ltd. and other companies implement flue gas dehumidification off white works.
6, the implementation of pollution control industrial furnaces special action. City casting, iron alloy, metal smelting and regeneration, glass, ceramics, tiles, refractory materials, lime, waterproof materials, fertilizers, inorganic salts, calcium carbide, etc., according to the melting furnace, the melting furnace, sintering machine (furnace), baking ( calcined) burning furnace, a heating furnace, heat treatment furnace, a drying furnace (kiln), coke oven gas furnace nine types of trades to carry out an intensive investigation. Closely integrated with the second census of pollution sources, establish a management inventory end of June 2019.
Undeniably, the maintenance of excellent quality of professional gas boiler for many years also makes more users begin to have more interest in its use. At the same time, it also makes people pay more attention to the quality identification of gas fired boiler. In order to find the right gas-fired boiler equipment, you need to be able to pay attention to the following aspects at the time of purchase.
1. In most cases, concerned about boiler quality, users with certain technical thinking will first pay attention to the boiler quality when buying safe and reliable gas-fired boiler equipment. On the other hand, the performance characteristics and core technology of gas-fired boiler can also directly reflect the excellent quality of gas-fired boiler, which can be evaluated from the product information and qualification honors provided by the merchants, on the other hand, the performance characteristics and core technology of the gas-fired boiler can also directly reflect its excellent quality.
2, pay attention to the boiler cost-performance ratio can be sure that the gas-fired boiler cost-performance ratio is also a focus in the purchase of an aspect, because high cost-effective boiler equipment must be both excellent quality and affordable two advantages of the characteristics of the two advantages, The benefits of such a choice not only give users a sense of real value for money, but also avoid questions about how much more gas-fired boilers cost more than coal.
3, pay attention to customer word of mouth in addition, when choosing a good gas boiler, you should also refer to the past customer's specific evaluation of this equipment, and these contents are actually available on the boiler brand's official website, At this time, we can get a comprehensive understanding of the professionalism, usability and safety of gas-fired boiler equipment through the real evaluation of these past customers, and then we can find out the better boiler equipment in the word-of-mouth as soon as possible.
By the early 1990s, fuel-fired industrial boilers with a certain degree of technological development had a high market share in the boiler market.
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