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立磨技术已在水泥、矿渣粉磨领域得到成功的应用。国内只有部分水泥厂使用立磨粉磨原料和煤,用于水泥粉磨较少,特别是国产立磨尚无成功粉磨较高磨蚀性的水泥、矿渣的实例。目前高质量矿渣水泥的优越性逐渐被人们所认识,采用屯磨分别粉磨矿渣和熟料生产矿渣水泥能更有效地利用矿渣,生产过程高效、节能。为此介绍近几年来此类生产线建设的主要方案、建设经验,以期使行业对目前采用立磨分别粉磨矿渣、熟料生产优质矿渣水泥生产线建设的基本情况有进一步的了解。 相似文献
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从水泥生产技术的发展和环保节能要求考虑,立窑生产线的关停是必然趋势.利用原立窑线的磨机和储库等设施,转为熟料粉磨站或矿渣生产线是立窑企业的出路之一.江西泰和玉华水泥有限公司就利用原立窑线二台淘汰的φ2.4m×7m球磨机进行串联配置生产比表面积为300~500m2/kg的矿渣粉,可年产矿粉10万t,且因充分利用了原有的相关设备和设施,改造投资并不大. 相似文献
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本文主要介绍了在以矿渣作为混合材原料的水泥粉磨生产线采用分别粉磨配制生产水泥的工艺流程,文中对常见的几种生产工艺进行了分析,对工艺选择原则进行了探讨,对配制水泥的重要设备混料机的均化和节能效果进行了对比,提出了分别粉磨配制水泥的生产控制要点,为以矿渣作为混合材的同类水泥企业新建、改造、生产提供借鉴。 相似文献
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1矿渣粉磨系统的流程
1.1通风与收尘方式
葛洲坝水泥厂于2000年采用TCX超细选粉机对原有的开流水泥粉磨系统进行了改造,由内部改造后的Φ2.2m×11m管磨机与超细选粉机组成圈流粉磨系统.由于各种原因,该系统共经历了2次改造. 相似文献
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福建三明水泥厂矿渣和熟料易磨性不同,制约了 2.2 m×6.5m闭路水泥磨系统的产质量,导致产量低仅12 t/h;矿渣掺量低,仅7%;水泥强度低R28仅达47.0MPa。为此该厂增加了2台 2.2m×7.5m开流磨单独粉磨矿渣,实现熟料矿渣分别粉磨工艺。同时对 2_2m×6.5m矿渣磨进行结构改造和工艺操作参数调整。这样二套粉磨系统可根据熟料和矿渣的不同粉磨特性分别进行操作控制,工厂实现了高产高质,高矿渣掺量(达15%)和低成本生产。 相似文献
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0前言
2006年,我公司将一台Ф3m×11m的水泥磨改造为带立式烘干机的矿渣粉磨系统(开流磨),该系统存在烘干煤耗高、台时产量低、粉磨电耗高的缺点,2009年电耗为93.24kWh/t(最高达到了103.22kWh/t), 相似文献
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1矿渣粉磨系统及LM立磨工作原理我公司是2002年投产建设的年产100万t矿渣水泥生产企业。水泥生产采用矿渣和熟料分别粉磨后混合的工艺过程,通过DCS系统实现集散型控制。其中矿渣粉磨线采用德国莱歇公司生产的“LM56.2 2S”立式辊磨(以下简称LM立磨),这是目前世界上直径最大的立 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