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工业 除尘器 节能 设计 经济 分析

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工业除尘器的节能设计及经济分析,工业,除尘器,节能,设计,经济,分析

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摘 要在工业生产特别是工业冶金过程中，产生大量的废气，这些废气的含尘浓度高，烟尘的危害性大，对环境造成严重的污染。同时，这些烟尘又有一定的回收和利用价值。因此，治理这些烟尘具有显著的经济效益和社会效益。本设计针对工业生产的典型金属冶炼的生产及场地等的具体情况，来设计布袋除尘器，并且使其排污情况达到国家相关的排放标准要求。而且，又要尽量满足投资少、运转费用低、操作方便、维护简单的要求。 目前，国内外除尘设备的种类和型号较多，通过对它们的原理的分析以及性能的比较等，根据实际情况， 选出了对冶金炉废气控制的最佳方案。选用袋式除尘器并进行了设计计算确定了布袋的型号、尺寸、根数 ，对除尘器外部箱体、支架和灰斗等钢结构部件也进行了设计，并计算了其重量和面积和列出材料的数量表。然后对除尘系统 进行长效防腐设计，根据现场，合理对各个部件进行了布局。本设计选用的负压吸灰的袋式除尘器在原有除尘器的基础上，进行了一系列的改进。该除尘器节约成本， 扩大了除尘的效率，充分体现了节能理论，因而节能理论在本文将充分的从除尘效率特别是计算环节的角度加以论证。同时，冷却塔的设计，降低了含尘气体的温度，保证了除尘器内布袋使用寿命，并合 理地利用了空间，对除尘和清灰达到了节能的设计和全自动化控制。在本设计中，不但完成了对除尘系统总体的设计，而且强化细节，做到了所设计的除尘系统可以直接进行 加工、安装、调试并投入使用。并对成本进行了投资预算.对所要的材料都进行了全部的统计。关键词： 大气污染；袋式除尘器；节能；长效防腐 AbstractIn the process of metallurgy, a large amount of exhaust gas will be produced, which contains a high concentration of ash or dust. This kind of ash is very harmful and will pollute the environment. At the same time, the ash also has a value in reclamation and reuse. Therefore, it has a significant economic and social benefit to treat with it. In this dpaper, according to the idiographic case of the producing and place etc. of smelting, it designs hop-pocket dust catcher and makes waste-excreting up to the relevant national standard criterion. Whats more, it should meet the requests of less investment, low running cost, conveniency for operation and easiness for maintenance as necessary as possible. At present, there are relatively too many sorts and models of dust catcher at home and abroad, through the analyse of their theories and comparison of capability, according to the practical condition, we select the best scheme in calcium carbide furnace exhaust gas controlling. Having the hop-pocket dust catcher selected and the design calculation worked out, we fixed the model, size and root-number of the bag, and we have also designed the steel structure of the dust catchers several parts such as the exterior box, bracket and the ash- funnel etc. moreover, with its weight and area calculated. Then, towards the dust-removing system, we carried out the long-effective antisepticising design. According to the locale, we made a proper overall arrangement of each part, and checked on the economic and running cost at last. This devise has a series of improvement. Compared with the original one，this hop-pocket dust catcher using a minus- pressure ash- absorbing technology. It will not only save the cost and enhance the dust-removing efficiency, because the design of cooling tower, it will also lower the temperature of the gas containing dust, in order to have the effective longevity of the bag guaranteed. Besides, the room can be used properly; the removing of dust and cleaning of ash are entirely automatically controlled. In the paper, it has finished contriving the dust-removing system not only on the whole, furthermore, it has intensified the details of the device, so that it is able to carry out processing, installing, adjusting and been put in to effect directly. Moreover, the budget of investment and l