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The basic principle of this technology is to change the structural form of the original jacketed boiler on the basis of the UGI batch gas furnace, from the original straight barrel type to the upper small, lower large truncated cone type, thus forming a new gasification characteristics, which is beneficial to Bed heat storage, steam decomposition rate can be improved, so that the oxygen content and methane content in the semi-water gas are significantly reduced on the basis of the original. When equipment is manufactured, according to the user's coal composition, process operations, etc., the ventilation area and air distribution spacing of the furnace, as well as the slag and flow prevention device, can be adjusted accordingly. At the same time, the ratio of height to diameter, thickness of the carbon layer, and taper of the furnace body can be flexibly adjusted.
In recent years, with the continuous rise in coal prices, many companies have reduced the cost of cheaper low-grade coal and briquette to reduce costs, but the quality of raw coal has declined, resulting in unstable gas furnace conditions and difficulty in operating gas production. To this end, Zibo Chenke Machinery Co., Ltd. started the development of a new type of gas generator in early 2004. In March of that year, it successfully developed a cone gas generator with an upper diameter of 2610 mm and a lower diameter of 2800 mm, which was applied to the first of Qilu Petrochemical. Fertilizer plant gas system gas to coal project. After the project is put into operation, the gasification intensity increases by about 20%. The oxygen content in the semi-water gas is only 0.15%, the methane content is reduced by 10%, and the carbon content in the slag is reduced by about 10%. The gasification furnace has been used in more than 100 fertilizer production enterprises in more than 20 provinces such as Shandong, Shanxi, Henan and Hebei to promote the application of more than 400 units.
ZWL series cone gas stove energy efficiency significantly
The ZWL series of cone gas generators, a national patented technology product invented by Zou Wenli, the chief engineer of Zibo Yuke Machinery Co., Ltd., has a good gas permeability, an increased oxygen-rich area at the bottom of the gasification layer, and a loose structure. Lump coal is fully gasified to reduce residual carbon, and it is beneficial to improve the technical features of the carbon layer operation. It solves the problem of high coal consumption of nitrogen fertilizer enterprises and was identified by the China Nitrogen Fertilizer Industry Association as a cyclical economic support technology for the nitrogen fertilizer industry in 2007-2010. And recommended to the National Development and Reform Commission as a national key industry circular economy support technology. The technology is applicable to coal gas systems in the industries of ammonia synthesis, methanol, city gas, metallurgy, glass and ceramics.