There are many uses for coal to be formed by briquetting using a briquette briquette , most of which can be regarded as gasification. The characteristics of coal-type coal gasification are quite different from that of lump coal coke. The content of CO2 in raw gas produced by coal gasification is relatively high, generally about 9% to 11%. To reduce CO2 to the range of about 9%, the reducing layer in the gasification layer must be improved. Therefore, the gas furnace hearth is required Heighten. The thermal stability of briquettes is poor. It is necessary to reduce the temperature of the furnace surface, and it is also necessary to increase the carbon layer and then increase the furnace hearth. However, the hearth height is not as high as possible. If the height exceeds the actual needs, it will have a negative impact instead. At the same time, the actual design "height-to-diameter ratio" of different types of gas stoves will be different. The "height-to-diameter ratio" should be designed according to the requirements of system engineering, rather than the same for all furnace types and gas stoves of all enterprises. The design of the gas furnace slag discharge system is quite different from that of lump coal. The coal gasification gas furnace requires strong slag discharge capacity, and slag breaking is not required to be too strong, because the briquette has a higher ash content and a large amount of slag, but the slag block is soft and not easily broken. Layer resistance. In this way, the grate, slag breaker (plate), ash type, and ash discharge port all require corresponding designs. The coal gasification intensity is lower than that of lump coal, and the gasification temperature range is narrow. This characteristic requires the furnace air duct, furnace calculation, ventilation area to be large, and the air duct to be more evenly distributed. Otherwise, it will cause local over-temperature and local burn-in. The distribution of air ducts is not appropriate. It can only limit the intensity of the type coal gasification, resulting in process instability.
Zhengzhou Dongfang Heavy Machinery Co., Ltd. specializes in the production of ball presses, briquette ball presses, dry powder ball presses , desulfurized gypsum ball presses , mineral powder ball presses, and coal powder ball presses. We have introduced advanced technology, technology and testing bases at home and abroad. And has a number of patented technologies and proprietary technologies, superb technology and outstanding reputation. Welcome customers to consult and negotiate! Inquiries: 0371-88885089 0371-67169912 Ball press equipment network: http://bjkrui.com (lh)
Xinzhong Machinery is a joint-stock enterprise focusing on production machinery, integrating scientific research, production and sales. The company area is located in Zhengzhou Mazhai Economic Development Zone, covering an area of 60,000 square meters, with more than 35,000 square meters of standard workshops, more than 180 main processing equipment, and more than 1,000 online employees. Mainly produces ore powder ball press , hydraulic ball press , briquette ball press , dry powder ball press , desulfurized gypsum ball press , fire-free brick machine , road tile machine , sand making machine , ball mill , Raymond mill , Impact crusher and other products. Welcome new and old customers to visit and guide.