共查询到20条相似文献,搜索用时 109 毫秒
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本文根据系统工程原理化城市生活垃圾无害化综合处理的技术,将垃圾无害化综合处理工艺流程从系统工程学角度对垃圾进行无害化综合处理。并以厂址选择、工厂布置为例说明系统工程原理在优化城市垃圾处理工艺设计中的作用。 相似文献
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构建低碳经济下生产型企业业绩评价指标 总被引:1,自引:0,他引:1
发展低碳经济对生产型企业创新能源技术,发挥减排技术等方面提出了更高的要求。基于此,低碳经济下,生产型企业应从可持续健康发展的战略高度出发,结合企业自身情况,本着安全性、减量化、再利用、资源化的原则,重建业绩评价指标体系,引导和激励企业实现新的目标。 相似文献
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红外光谱分析具有快速、精确度高等优点,在分类鉴别领域中发挥着重要作用.红外光谱在生活垃圾分类领域的应用主要集中在塑料等可回收垃圾而忽略了对不可回收垃圾的深度分选.现行生活垃圾的四分法分类中,源头分类得到的其他垃圾中含有多种具有高值化利用潜力的组分,可分为纤维素类、烯类聚合物、木竹类等.这些垃圾的成分和结构不同,因此具有... 相似文献
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提出了不同密相区结构形状(球形、椭球形、方形体)的固态医疗垃圾循环流化床(SMW-CFB),并针对SMW-CFB各段特征,对循环流化床不同密相区形状对固态医疗垃圾颗粒运动特性的影响进行了数值研究,结果表明:密相区为球形体结构比其它结构形状密相区更易出现回流.密相区不同形状时,颗粒运动进入分离器的时间不一样.固态医疗垃圾颗粒在循环流化床内,直径在大于3.5 mm的垃圾颗粒,随烟气上升到一定高度后,落回密相区,而直径小于3.5 mm的颗粒随烟气一同进入分离器,分离器可以捕集直径大于0.025 mm的颗粒,直径小于0.025 mm的颗粒由排气管排出.球形和椭球形密相区有助于垃圾颗粒与风充分混合接触,有利于垃圾颗粒的燃烧. 相似文献
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1前言流化床焚烧污犯是近年来发达国家广泛采用的方法,它能很好地实现污泥的稳定化、无害化、减容化和资源化处理。燃煤流化床锅炉污染物排放方面已做了大量的研究工作,由于污泥与煤在结构和性质方面的差异较大,因此有必要对流化床焚烧污泥时污染物排放特性进行研究。本文详细研究了造纸、废水污泥在流化床中焚烧时污泥水份、运行床温及过量空气对NO。和SO。的排放特性及污泥N-+NO。、S-SO。的转化率的影响,并对这两种性质差异较大的污泥焚烧时的NO。和502的生成特性进行了对比分析,取得了许多有价值的结果,为污泥流化床焚烧… 相似文献
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《Heat Recovery Systems and CHP》1989,9(2):115-126
Heat recovery from the incineration of municipal solid waste (MSW) can make a useful contribution to the nation's energy needs. This paper reviews the literature on the field of energy recovery from MSW incineration. This review includes (1) An historical background on the MSW methods of disposal and the recent trends. (2) The potential role of waste as a fuel from the knowledge of its analysis, heating value and quantity. (3) The alternative methods of waste disposal including the thermal (mass incineration, refuse-derived fuel and pyrolysis), the mechanical and the biochemical processes. (4) Some economic considerations regarding MSW disposal costs. (5) The combustion characteristics of MSW and waste combustion plants. (6) Heat recovery from waste burning including the main types of waste heat boilers; the heat recovery rates; heat exchange boundary conditions; fouling, erosion and corrosion of waste heat boilers; control of waste incineration particulate emissions and finally the control of nitrogen oxides emissions. The intensive data given here is essential to the proper design and operation of any MSW-to-energy plant. The design needs to be undertaken with careful consideration of the experience that already exists in order to achieve success. 相似文献
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垃圾焚烧炉氯源对氯化氢和二噁英排放的影响 总被引:7,自引:0,他引:7
本文研究了150 t/d垃圾与煤混烧流化床锅炉在不同含氯水平和添加钙基脱硫时氯化氢和二噁英的排放特性。实验结果表明烟气中的氯化氢和二噁英浓度随燃料中垃圾比例的增加而上升,在含氯量一定的情况下,炉内燃烧状况决定了二噁英的生成量,烟气中的二噁英随燃料中含氯量的增加而增加,飞灰中的二噁英则随燃烧状况的改善而增加。钙基的加入可以有效降低氯化氢和二噁英的排放。在我国目前的垃圾组分条件下,全煤工况和垃圾与煤混烧工况的二噁英排放量很低。 相似文献
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System analysis for solid waste management currently receives wide attention from both economic and environmental planners because of their complexity during the coordination of various management strategies. This paper deals with the development and application of an operational solid waste management model through a hierarchical approach, in which the siting problem of transfer stations in a large scale metropolitan region is decomposed into two different levels. This analytical approach encompasses a preliminary screening procedure using the Geographical Information System (GIS) and an optimization analysis by a mixed integer programming model. Four criteria are employed in the screening of initial candidate sites and the optimization of a solid waste collection, recycling, treatment, and disposal system is used to direct waste generation to existing or proposed transfer stations, treatment plants and disposal facilities at minimum cost. A case study in Taiwan shows that the optimal siting strategies of transfer stations can successfully reduce system direct cost and generate relatively reasonable operational programs. 相似文献
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The waste management of glass fiber reinforced polymer (GRP) materials, in particular those made with thermosetting resins, is a critical issue for the composites industry because these materials cannot be reprocessed. Therefore, most thermosetting GRP waste is presently sent to landfill, in spite of the significant environmental impact caused by their disposal in this way. The limited GRP waste recycling worldwide is mostly due to its intrinsic thermosetting properties, lack of characterization data and unavailability of viable recycling and recovery routes. One of the possibility for re-using GRP industrial by-product is in form of powder as a partial aggregate replacement or filler addition in cement based composites for applications in sustainable construction materials and technologies. However, the feasibility of this kind of reutilization strongly depends on the morphology and particle size distribution of a powder made up of polymer granules and glass fibers. In the present study, the use of image analysis method, based on scanning electron microscopy (SEM) and ImageJ processing program, is proposed in order to evaluate the morphology of the particles and measure the particle size and size distribution of fine GRP waste powder. The obtained results show a great potential of such a method in order to be considered as a standardized method of measurement and analysis in order to characterize the grain size and size distribution of GRP particles before exploiting any compatibility issue for its recycling management. 相似文献
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Liqing Yang Haojing Wang Hongfei Wang Dapeng Wang Yue Wang 《Journal of Electrostatics》2011,69(5):411-413
This review describes the current status of waste plasma disposal plant. A comprehensive analysis of the available scientific and technical literature on waste plasma disposal plant, including the actual plant design and configuration, operation principle of core facility, the economic viability and floor area of a plasma plant. The case on the development and large scale commercial applications of the solid waste plasma disposal plant should be further research. 相似文献
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为了评价多环芳烃作为二(口恶)英前驱物经由前驱物途径生成二(口恶)英反应途径的可能性,并找出能作为二(口恶)英在线监测的可能指示物,本文在小型管式炉上进行了原生垃圾和煤混合燃烧试验。结果表明,随着硫氯摩尔比的增加,生成的多环芳烃总量呈下降趋势,和二(口恶)英总量变化的趋势相同,多氯二苯并呋喃(PCDFs)的总量和多环芳烃总量的变化趋势比较相似,存在着一定的关联性。其中苯并[a]蒽(BaA)和PCDFs的关联性非常大,苯并[a]蒽有可能作为PCDF监测的可靠的指示物之一。 相似文献