| The technology of dry type cloth-bag dust removal in blast furnace gas cleaning havemany strong points, for example, saving energy sources, improving filtration efficiency,protecting environment. It is spread and develops satisfying in middling and small volumeblast furnace gas cleaning. Whoever a dusting of the gas main divided into two kinds of craftsand a dusting within and outside in the filter.Because of diversified reason, this technologyhas not much more applied in large volume blast furnace at home or abroad.The cause of the technology is not used in large volume blast furnace are analyzed in thispaper, it considered that overall reliability, filtration capability of bag colander and theadaptability of work status in large volume blast furnace is the sixty-four-dollar questions.It is stress researched and solved the follow three questions, viz. the reliability oftechnology and equipment, security and filtration efficiency in the application of thetechnology of dry type cloth-bag dust removal in blast furnace gas cleaning. First, the authoruse the subsystem movement law made the overall reliability reach99.64%, it adapt itself tothe production of large volume blast furnace. Secondly, the filtrate principle of the technologyof cloth-bag dust removal is presented, the pivotal filter bag material and the application ofthe dust cleanse technique at home and abroad are emphasizing presented. The authorconducts a comparison analysis on the characteristics of conventional filter material andmembrane tectorial. In this way, a set of solutions to the problems of temporary humiditycondensation by means of the membrane tectorial box-body can be obtained. Thirdly, use theadvanced technology of beside filter long bag pulse dust remover, Design the low pressurelong bag pulse dust remover according to the pressure vessel law, and optimize select the typeof heat energy exchange facilities.fourthy, For the lost and technology were optimized toimprove and introduce advanced technology to monitor the gas quality monitoring quality. thegasStrong point and shortcoming is compared with the two dry type dust removal economicbenefit between wet dust removal and dry type cloth-bag dust removal technology is analyzedand accounted. Propose that the blast furnace gas entire dry type cloth sack dust removal craftand the blast furnace gas-odd can press the electricity generation technology (TRT) tocombine the construction to make TRT to generate30%more electricity. With dry type dustremoval technology, a3200m3volume blast furnace creates more thanï¿¥20,000,000.Environment protects benefit and social benefits are obvious.The development and design of this system offer security, reliability, economic profits in saving water, conserving energy and increasing the TRT benefit. It has the positive influenceon the blast furnace gas dust removal technology promotion, it also has the significance toimprove competition ability and develop sostenuto in steel industry of china. |
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