"Twelfth five-year" period, with the increasingly diversified energy supply, energy conservation and emission reduction work to strengthen and domestic industrial fuel gas burner industry to take advantage of special fuel as the breakthrough point, developed with independent intellectual property rights of burning coke oven gas, coal-bed methane, gas and producer gas, blast furnace gas and chemical waste and other special burner with a combustible component, and has been leading in the domestic market, such as wuxi Witt burner manufacturing co., LTD., Shanghai LingYunRui burner manufacturing co., LTD., jiangxi China navigation instrument co., LTD has developed its own special products, such as The product fuel covers biogas, coke oven gas, producer gas, blast furnace gas, chemical exhaust gas, etc., and the power of a single unit ranges from 35 to 56 000kW.
As the promoting of "coal to gas" project, since 2017, the home-made conventional fuel (natural gas, liquefied petroleum gas) burner of low nitriding technology to get fast and successfully established the scale of domestic market status and application of the burner has entered a new stage of development, is now out of completely generic patterns, the size of the domestic burner manufacturing expanded rapidly. From 2008 to 2018, the number of domestic burner manufacturers reached 192 (including at least 13 boiler manufacturers), with the biggest change in the last three years. In 2018 alone, there were 65 more burner manufacturers than in 2017. At the same time, the number of Chinese foreign burner brands in the domestic market has also changed greatly, reaching 49 foreign burner brands by 2018, an increase of 8 over that of 2017.
At present domestic manufacturer of pulverized coal burner is more, there are mainly MeiKeYuan Beijing, xi 'an jiaotong university siyuan technology Co., Ltd., xi 'an days set energy Environmental protection engineering technology Co., Ltd., tangshan sands combustion heat energy technology Co., Ltd., shanxi blue sky Environmental protection equipment Co., Ltd., Xuzhou Kerong Environmental Resources Co., Ltd., Qingdao universal energy conservation and Environmental protection boiler Co., Ltd., shandong thorpe energy saving technology Co., Ltd., mount tai group Co., Ltd., etc. Their products are not only for their own supporting but also for relevant boiler enterprises supporting.
Because of the characteristics of industrial boilers, pulverized coal industrial boilers mainly use swirl burners. Pulverized coal combustion technology is derived from the research achievements of universities, the swirl combustion technology of pulverized coal boilers in power stations or the advanced combustion technology of Europe. High efficiency combustion and low nitrogen combustion are the development trend of pulverized coal combustion technology at present and in future. At present, axial vane type and tangential vane type cyclone are generally used in pulverized coal industrial boilers, while axial vane type is more widely used. Low nitrogen combustion technology mainly includes air classification, radial thickening and light burning and flue gas recirculation.
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