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烟气干化污泥系统分析 总被引:1,自引:0,他引:1
介绍一种以锅炉废烟气作为干燥介质的污泥干化系统,可将含水率80%的湿污泥干燥为含水率为30%的干污泥颗粒。干污泥颗粒可送至锅炉和煤粉掺烧以充分利用其热值,并以处理湿污泥2t/h的系统为例,进行物料及热量平衡计算,分析了利用废烟气和干污泥所产生的经济效益。 相似文献
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介绍了硫酸厂废热发电和三废综合治理技术改造情况。沸腾炉顶改成由异形砖砌筑的球拱结构,废热锅炉采用混合循环方式,净化系统改用文-文-间-电流程,干吸塔式改为高强度塔,转化系统改用ⅤⅣⅠ-Ⅲ-Ⅱ“3+2”两次转化流程,污水处理改用二级 和沉降,废热发电并网。 相似文献
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2008~2010年,金隅北京昌平、华润广州越堡和安徽海螺铜陵等三家水泥厂相继正式投产了离线式水泥窑协同消纳市政污泥或垃圾的利废烧废系统,见表1所列。这三家水泥窑烧废系统的建成投产是我国水泥工业烧废工程的重大突破,是中国水泥协会、大型水泥企业集团、科研设计院所和高校、装备制造厂等坚持水泥工业利废和采用替代燃料的技术发展方向的结果, 相似文献
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磷本来是大自然一种最有限资源,而现在自然界土壤中产生的废磷经长期使用循环后最终约有80%磷随污水被排放。经过循环处理使用后,城市污水池中排放的废磷大部分可进入城市剩余的污泥,剩余城市污泥土壤中的磷资源的再次循环处理利用,可以大幅度减少从外部排水环境中带入磷元素时对接收水环境的化学污染,实现对磷元素的再利用。研究了各种不同类型污泥磷释放处理方法的优缺点,分析不同污泥磷处理回收处理技术应用的基本特点,并分别着重地介绍利用了鸟粪石沉淀法来回收废磷,以期进一步为中国污泥磷处理回收利用的基础研究方面提供理论借鉴,并分析讨论分析了废磷利用回收利用技术领域的国内外未来及其发展趋势。 相似文献
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乙烯酮(双乙烯酮)是十分重要的化工中间体,其下游产品较多。江苏某化工厂开发生产乙烯酮(双乙烯酮)下游产品三十多个,年生产规模三万多吨,是国内以乙烯酮(双乙烯酮)为中间体生产精细化学品的综合骨干企业。针对乙烯酮(双乙烯酮)下游产品废水特点,该厂结合企业实际,开展了产品优化,结构调整,清洁生产,资源循环利用,节水降耗等工作,从源头削减了污染物的生产。同时投资二千多万元新建预处理装置三套,6000m3/d废水生化处理装置一套,使全厂乙烯酮(双乙烯酮)下游产品的废水得到了有效的治理。 相似文献
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D. G. Gordeev L. F. Gudarenko M. V. Zhernokletov V. G. Kudel’kin M. A. Mochalov 《Combustion, Explosion, and Shock Waves》2008,44(2):177-189
A semi-empirical equation of state for metals is described. Its capabilities are demonstrated by the example of the equation
of state for aluminum. New experimental data are presented on the location of the isentrope of aluminum for unloading from
the state at p = 229.71 GPa on the shock adiabat to an aerogel (SiO2) of density 0.08 g/cm3.
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Translated from Fizika Goreniya i Vzryva, Vol. 44, No. 2, pp. 61–75, March–April, 2008. 相似文献
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Jorge Marcelo Romero Soledad Bustillo Hugo Enrique Ramirez Maisuls Nelly Lidia Jorge Manuel Eduardo Gómez Vara Eduardo Alberto Castro Alicia H. Jubert 《International journal of molecular sciences》2007,8(7):688-694
A thermochemical rather simple experimental technique is applied to determine the enthalpy of formation of Diperoxide of ciclohexanone. The study is complemented with suitable theoretical calculations at the semiempirical and ab initio levels. A particular satisfactory agreement between both ways is found for the ab initio calculation at the 6–311G basis This set level. Some possible extensions of the present procedure are pointed out. 相似文献
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A perturbation viscometer is a differential capillary viscometer that measures the logarithmic viscosity gradient of the viscosity-composition curve for gas mixtures. Measurements are made at different gas mixture compositions. Integration of the logarithmic viscosity gradients measured over the full composition range gives the mixture viscosity relative to the viscosity of one of the pure components of the gas mixture. This method is attractive because, for measurements of equal precision, integration of the gradients is potentially an order of magnitude more precise than measurement of the viscosities directly. It can also work at high and low temperatures and perhaps high pressures.The perturbation viscometer has been used to make measurements on ideal gas mixtures at ambient and elevated temperatures. The situation is more complicated when the gas mixtures are non-ideal. Extra effects due to density differences, molar volume change on mixing and differential thermal expansion may be measured in addition to the desired viscosity change producing systematic errors in the results. Thus, a more sophisticated apparatus is required. The standard perturbation viscometer has been modified to separate out the extra effects to permit measurement of the true change in viscosity. In addition, the theoretical operation of the modified apparatus has been revised to account for the design changes to permit calculation of the viscosity-composition profiles from the results.The apparatus has been tested using helium-HFC-125 mixtures and two new viscosity-composition profiles are presented for these mixtures at 23 and . Internal consistency tests have been used to confirm that the data produced are of high quality with an estimated uncertainty in the viscosity ratio data at of 0.9% and at of 1.5%. 相似文献
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塔设备改造选型的分析 总被引:2,自引:0,他引:2
就当前扩产增容中塔设备设计和改造时板式塔和填料塔的选型问题加以分析。在评述目前国内常用的几种塔板和新型填料之后,着重介绍一种新型塔板(导向梯形浮阀塔板)和一种新型填料(波环填料——乾隆帕克)。 相似文献