用于离散系统冷热供应的移动式蓄能器。第2部分。

V. Demchenko, A. Trubachev, V. Falko, S. Hron
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引用次数: 1

摘要

本文的目的是对移动热能电池的结构材料进行选择和论证。评估化学腐蚀对储罐蓄电池结构材料的影响,研究储罐蓄电池在运输过程中的强度,并以实施离散加热/冷却系统为例,确定引入环境措施投资的可行性和有效性。比较了我们所选用的储热材料——辉石和三水合乙酸钠的技术特性,表明这两种材料在应用上都有一定的优势和局限性。通过实验确定材料的腐蚀稳定性,经过10次加热-冷却循环后,沉积在方石石溶液中的金属部件几乎没有变化,没有观察到腐蚀痕迹。而在三醋酸钠熔体中的试样则有明显的腐蚀痕迹(不锈钢试样除外)。在空气和三乙酸钠的边缘,样品的腐蚀尤其明显。因此,已经证实,使用水合盐熔体需要额外的措施来防止金属的腐蚀,并且聚合物材料的使用受到其应用温度的限制。计算了蓄能器在静、动荷载作用下的强度,并考虑了运输的影响。考虑米塞斯应力得到的结果,在钢结构使用条件下,螺栓连接在运输过程中的剪切拉应力和滚动应力更高。在确定项目实施可行性的过程中,试验并提出了一种全新的战略快速分析“3E”方法来补充节能措施和项目投资的计算方法。该方法允许您获得分析结果的图形表示,并具有很高的概率来确定实施项目的融资策略。该分析基于三个主要标准,即:能源、环境和经济。这些加权标准由许多值组成,这些值对于获得实现项目的可能回报是必要的。表达分析的结果在三角形图上以允许值的面积的形式清晰地表示出来,我们被邀请将其称为“3E三角形”,用单词的开头词:能源,生态和经济。经经济分析,项目预计投资回收期不超过5年,年热冷销售收入147万UAH。因此,该项目具有投资吸引力。
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MOBILE ACCUMULATORS FOR DISCRETE SYSTEMS HEAT-COLD SUPPLIES. Part 2.
The purpose of this article is selection and substantiate the construct materials for a mobile battery of thermal energy. To evaluate the impact of chemical corrosion on the structural materials of the tank-battery, and researching the strength of the tank-battery during transportation and determination the feasibility of introducing and effectiveness of investments in environmental measures on the example of the implementation of the discrete heating / cooling systems. A comparison has been made of the technical characteristics chosen for our studies of heat storage material - bischofite and sodium acetate trihydrate, which showed that both substances have certain advantages and limitations in their application. An experiment was carried out to determine the stability of the material for corrosion, after the 10 cycles of heating-cooling, the metal parts that were deposited in the bischofite solution remained virtually unchanged, no corrosion marks were observed. While specimens that were in the melt of sodium triacetate have obvious corrosion marks (except for a stainless steel sample). Particularly noticeable corrosion of samples that were on the verge of air and sodium triacetate. Thus, it has been confirmed that the use of hydrated salt melts requires additional measures to protect against corrosion of metals, and the use of polymer materials is limited by the temperature of their application. Calculations of the strength of the tank-accumulator at static and dynamic loads with the account of transportation are carried out. Taking into account the obtained results of Mises stress, the tensile stresses in the cut and stresses of bolted joints during rolling during transport under conditions of use of steel constructions are higher. In the course of determining the feasibility of implementing the project, it was tested and proposed to supplement the methods of calculating the investment of energy saving measures and projects by a fundamentally new method of strategic rapid analysis "3E". This method allows you to get a graphical representation of the result of the analysis and with a high degree of probability to determine the strategy of financing the implementation projects. The analysis is based on three main criteria, namely: energy, environmental and economic. These weighting criteria consist of a number of values that are necessary to obtain a likely return on the payback of the implementation project. The results of express analysis are clearly represented in the form of the area of permissible values on the triangular diagram, which we are invited to call the "3E triangle" in the initial words of words: Energy, Ecology and Economics. An economic analysis has also been conducted, which showed that the estimated payback period of the project is less than five years, and the volume of annual revenue from the sale of thermal energy and cold is 1470000 UAH. Thus, the project is attractive for investment.
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