Tobacco stem boiler
A boiler and tobacco stem technology, applied in the field of boilers, can solve the problems of low fuel burnout rate, environmental pollution, and low boiler utilization rate, and achieve the effects of improving burnout rate, avoiding sticking and accumulation, and prolonging combustion time
Inactive Publication Date: 2017-01-11
郑州锅炉股份有限公司
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[0005] The invention provides a tobacco stem boiler, which solves the problems of environmental pollution, low fuel burnout rate, and low boiler utilization rate that may be caused by the existing tobacco stem treatment methods, and improves the burnout rate of tobacco stems and boiler utilization. rate, reducing environmental pollution
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[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0045] Tobacco is a plant of the genus Nicotiana in the family Solanaceae, and the tobacco stem is the thick and hard vein of the tobacco leaf, accounting for about 25% to 30% of the leaf weight. my country is a big tobacco producing country. Tobacco stems are a by-product of the tobacco industry. About hundreds of thousands of tons of tobacco ste...
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The invention provides a tobacco stem boiler. The tobacco stem boiler comprises a hearth, a U-shaped burnout chamber, a cyclone separator, a returning device and a tail smoke channel. The bottom of the hearth is provided with a main fluidized bed. The bottom of the U-shaped burnout chamber is provided with an auxiliary fluidized bed. A feeding device is arranged on the front wall of the hearth. An outlet of the hearth communicates with the downstream section of the U-shaped burnout chamber. An outlet of the upstream section of the U-shaped burnout chamber communicates with an inlet of the cyclone separator. The lower portion of the cyclone separator is connected with the returning device. The returning device communicates with the hearth through an inclined returning tube. According to the technical scheme of the tobacco stem boiler, the double-bed technology that the circulating fluidized beds are combined with the U-shaped burnout chamber is adopted; through the optimized structure arrangement, the U-shaped burnout chamber and the hearth are arranged side by side, and the cyclone separator and the hearth are arranged side by side; on the premise of not increasing the height of the hearth, the burning time of tobacco stems is prolonged, and the tobacco steams which are not burned out are made to return to the hearth to participate in circulating burning; and in this way, the burnout rate of the tobacco stems and the utilization rate of the boiler are improved, and environmental pollution is reduced.
Description
technical field [0001] The invention relates to boiler technology, in particular to a tobacco stem boiler. Background technique [0002] Tobacco stems are a by-product of the tobacco industry. In tobacco-producing areas, the output of tobacco stems is very high. The daily output of tobacco stems in a single production line of a cigarette factory can reach 20 tons. Therefore, how to effectively deal with tobacco stems is an urgent problem for the tobacco industry. important problem. [0003] At present, there are mainly three ways to deal with the tobacco stems, the first way: disposal; the second way: direct incineration; the third way: direct combustion in a conventional boiler. The way of disposing of tobacco stems will cause a large amount of tobacco stems to accumulate, which not only occupies the site, but also causes environmental pollution; while the treatment method of directly burning tobacco stems will produce a large amount of harmful substances and cause serious...
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IPC IPC(8): F23G5/14
Inventor 贾金岭范高峰李红星张修冰李鹏海彦生徐瑞冯鹏娟任龙飞张丹丹介晓中王欣然吕凯吕宁
Owner 郑州锅炉股份有限公司