Based on the process energy integration technique, optimal retrofit of steam power systems in petrochemical enterprise has been studied and the optimization strategy has been proposed.
利用过程能量综合技术对蒸汽动力系统的优化改造进行研究 ,提出了蒸汽动力系统的优化策略 ,建立了以总运行费用最小为投资决策目标函数的系统软件模型 ,基于MS Excel 2 0 0 0的软件开发平台 ,开发了蒸汽动力系统优化求解的计算机软件。
A model was established to optimize the multi period operation of the steam power system by using the Mixed Integer Linear Programming to solve the turbine's nonlinear work done process, and using GAMS to obtain the minimum cost at different multi periods.
针对蒸汽动力系统必须满足外界用户不断变化的对蒸汽和电力的需要 ,需适时地改变操作参数以降低运行成本的情况 ,建立了蒸汽动力系统的操作调优模型 ,用混合整数线性规划处理了汽轮机的非线性作功过程 ,用通用建模工具GAMS求解了不同工况下的最低成本。
This result is of great importance in steam engineering and in refrigeration.
这个结果在蒸汽工程和致冷学中很重要。
survey of government land steam boilers [public works category]
勘测政府土地蒸汽锅炉〔公共工程类别〕
Ouality Inspection Center Engineering for Key Products Used in Steam Pipe Network
蒸汽管网关键产品质量检测中心工程
The vaporized form of a substance for use in industrial, military, or medical processes.
烟雾，蒸汽用于工业、军事或医药进程的物质的蒸汽化形式
a steam (hand) pile driver
蒸汽（手工）打桩机
Production has slowed because the steam hammer is broken.
车间里的蒸汽锤坏了, 导致工程进度放慢。
Steaming Process of Catalyst for Methanol to Propylene Technology
甲醇制丙烯工艺催化剂的汽蒸过程分析
fracture-assisted steamflood technology
压裂辅助蒸汽驱工艺
Vapor pressure Equation which complies with a New Skeleton Table of Water Vapor
符合水蒸气新骨架表的蒸汽压方程
a liquid produced by condensation from a vapor during distilling; the product of distilling.
蒸馏过程中蒸汽浓缩产生的液体，蒸馏的产物。
Research on the Energy-saving of the Process of Steam Ammonia Distillation;
直接蒸汽加热法蒸氨工艺的节能研究
The process by which the working substance in a heat engine, such as the vapor mixture in the cylinder of an internal - combustion engine, is compressed.
工作物质在热机中的压缩过程，如内燃机中混合蒸汽的压缩
Study of the Omnidistance Heat Losses and Optimization of Injected Steam Parameters in Steam Drive;
蒸汽驱全程热损及注汽参数优选研究
PROCESSING: The product has been processed using steam heat at a minimum of 133 degrees Celsius for a minimum of 2 hours at 3 bar pressure.
加工过程:该产品已至少在133摄氏度的高温蒸汽中，在3巴大气压下蒸过最少2小时。
The saturated densities, vapour pressures, and latent heats of vaporization for HFC working substances of refrigeration are calculated by using a set of general equations of thermophysical property of liquids.
应用一套通用型流体热物性方程对HFC类致冷工质的饱和密度、蒸汽压和汽化潜热进行计算。
Supplies steam for industrial process where load swings are common or higher quality steam for base loading of a turbine/generator for the production of electricity.
产生的蒸汽是用于负荷常变的普通工业过程还是用于要求蒸汽品质高的带基本负荷的汽轮发电机组。
Water vapor from the evaporative recovery process may be recondensed, and also reused.
蒸发回收过程产生的水蒸汽可再冷凝，也可再用。
The Experimental Study of Steam Ejector under Varied Work Situation in Heat Pump Evaporation;
变工况蒸汽喷射式热泵蒸发喷射器的实验研究
