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Journal of Heat Recovery Systems最新文献

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Design strategy for heat pump assisted distillation system 热泵辅助蒸馏系统设计策略
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90039-1
I. Mészáros, Z. Fonyó

Distillation columns are the major energy-consuming units in the chemical and petrochemical industries. The heat integration concept [1] attempts to integrate the heating and cooling demands of a column within the heat network of the overall process. In case of stand-alone unit or severe restrictions on integrability of distillation column, the realization of heat pump assisted distillation seems to be one of the most promising energy saving techniques. Because of its less energy demand, the heat pump assisted distillation reduces the operating cost and occasionally can compensate the additional capital expenses of compressor. Based on the COP and energy costs, simple expressions are developed for preliminary economic analysis and design of heat pump assisted distillation. A design strategy is proposed for selecting the most economical distillation system based on the energy cost factor and the estimated payback time of excess capital. The strategy is demonstrated by two examples.

精馏塔是化工、石化工业的主要耗能装置。热集成概念[1]试图在整个过程的热网中整合一个塔的加热和冷却需求。在单机或精馏塔集成度受到严格限制的情况下，实现热泵辅助蒸馏似乎是最有前途的节能技术之一。热泵辅助蒸馏由于其能耗较少，降低了运行成本，有时还可以补偿压缩机的额外资本支出。根据热泵辅助蒸馏的COP和能量成本，建立了简单的表达式，对热泵辅助蒸馏进行了初步的经济分析和设计。提出了一种基于能量成本因子和剩余资金预期回收期的最经济蒸馏系统设计策略。通过两个实例对该策略进行了论证。
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引用次数: 13
Waste heat recovery from regenerative furnaces 再生炉余热回收
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90220-1
FrederickJ Nelson, Ray Richards
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引用次数: 0
Energy recovery ventilator 能量回收呼吸机
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90203-1
Steven L Schneider, Konstnatins Dravnieks
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引用次数: 0
4559154 Heat pumps 4559154热泵
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90054-8
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引用次数: 0
Heat transfer element assembly 传热元件组件
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90200-6
GaryC Goetschius
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引用次数: 0
Determination of heat transfer coefficient in a short-tube economiser operating in the transition region 过渡区短管省煤器传热系数的确定
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90069-X
O. Ta'eed, B. M. Gibbs
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引用次数: 2
The prediction of the coefficient of performance of vapour compression heat pumps 蒸汽压缩热泵性能系数的预测
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90071-8
V. Havelskỳ

Equations are presented which relate the actual value of the coefficient of performance of a heat pump to the theoretical Rankine coefficient of performance by efficiencies which depend upon the compression ratio and the design of the particular heat pump system. It is shown that the comparison of prediction of the coefficient of performance with measured values give possibilities for preliminary design of heat pump systems.

本文给出了热泵性能系数的实际值与理论朗肯性能系数的关系式，其效率取决于压缩比和特定热泵系统的设计。结果表明，性能系数预测值与实测值的比较为热泵系统的初步设计提供了可能。
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引用次数: 2
Sixth international heat pipe conference 第六届国际热管会议
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90078-0
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引用次数: 0
Developments in geothermal energy in Mexico—part eight: Geothermal reservoir energy recovery: A 3-D numerical simulation study of the Cerro Prieto geothermal field 墨西哥地热能的发展——第八部分:地热储层能量回收:Cerro Prieto地热田的三维数值模拟研究
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90037-8
E.R. Iglesias, V.M. Arellano, M. Castañeda, R. Marquez

Cerro Prieto is the most developed Mexican geothermal field. Currently, two power plants produce electricity from it. The oldest, CP I, as been on line for more than a decade; CP II recently started producing at half capacity, and CP III is scheduled to come on line soon. In this work we investigate the mass and heat reserves, the corresponding deliverability, and the expected quality of the heat delivered, in relation to CP I. We also inquire into the likely effect of the planned production of the CP II and CP III power plants on the future performance of CP I. The investigation is accomplished via numerical simulation. Our results indicate that the reserves of mass and heat in the layers that feed CP I are adequate for a thirty year economic life of the plant, that the quality of the produced heat will decline with time to about 85% of its peak value, and that the main effect of production by CP II and CP III is to enhance recharge by cool water of the zone that feeds CP I.

Cerro Prieto是墨西哥最发达的地热田。目前，有两个发电厂利用它发电。最老的CP I已经上线十多年了;CP II最近开始以一半的产能生产，CP III计划很快投产。在这项工作中，我们调查了CP i的质量和热储量，相应的可交付性，以及预期的热交付质量。我们还调查了CP II和CP III电厂计划生产对CP i未来性能的可能影响。我们的研究结果表明，供给CP I层的质量和热量储量足以满足植物30年的经济寿命，所产热量的质量会随着时间的推移下降到峰值的85%左右，CP II和CP III的主要作用是增强CP I供给区的冷水补给。
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引用次数: 2
Volume contents and author index for volume 6, 1986 1986年第6卷的分册内容和作者索引
Journal of Heat Recovery Systems
Pub Date : 1986-01-01 DOI: 10.1016/0198-7593(86)90068-8
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引用次数: 0
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