换热网络是能量回收利用中的一个重要系统。
Heat exchanger network is an important subsystem of energy recovery process.
节约燃料气的措施为：优化常减压换热网络；
The measures for optimizing the use of fuel gas are:improving the atmospheric and vacuum heat exchange network;
因此，优化换热网络结构，最大限度的回收热量，意义重大。
So, optimizing the heat exchanger network and maximizing the energy-saved are of great importance.
换热网络的优化设计一直是化工系统工程最活跃的研究领域。
The optimal design of the Heat Exchanger Network (HEN) is the most active field in the chemical systematic Engineering.
指出了目前中央冷却系统在换热网络布置和设备选型方面的优缺点。
It also points out the advantages of the two kinds of Central Cooling System in disposition of heat conversion network and in choice of equipment.
本文给出解析法求换热网络中最大热回收量的数学模型及计算方法。
The Paper gives the mathematic models and method of calculation of the maximum heat recovery in the synthesis of heat exchanger networks.
本文阐述了夹点理论的基本原理，及其在换热网络优化综合中的应用。
The basic principle of pinch technology and its application in the heat exchanger network synthesis are illustrated.
实践证明，应用夹点理论指导换热网络的综合会取得很好的经济效益。
The industrial practice prove that the pinch technology is highly efficient for the heat exchanger network design.
本文建立了由换热器、分流器和混合器构成的换热网络流程模拟系统。
This paper sets up a simulator of heat exchanger networks that consists of heat exchangers, mixers and splitters.
并利用一工业实例说明如何应用夹点技术进行现有换热网络的分析和改造设计。
An industrial example is presented to show how to use pinch technology to analysis the existing heat exchanger network and to retrofit it.
在换热网络中考虑经济因素和工程质量因素，建立换热网络多级综合模糊评价模型。
In heat exchanger networks, the fuzzy appraisal model of heat exchanger networks is set up considering quality and economic factors.
对玉米加工厂淀粉车间正常运行时，进行数据采集、整理，绘制物流图、换热网络图。
Data are collected and sorted when the starch processing workshop is running normally, then logistics map and heat exchanger network are also got.
一些早期建成的化工企业，由于当时技术的落后，换热网络设计不合理，造成能源的浪费。
In some chemical industry enterprises, for the low technology level at the time they were built, the heat exchanger network is poorly designed which leads to the waste of energy.
提出柔性换热网络在初始设计阶段，考虑网络投入运行后，实施清洗维护时序安排的理论框架。
A theory framework is presented for flexible heat exchanger network (HEN) synthesis considering the scheduling of cleaning maintenance at initial design stage.
夹点法作为一种简便的、实用换热网络合成方法已在实际工程中运用广泛并取得了良好的效果。
Pinch method is a simple heat exchanger network synthesis method, it has been widely used in practical projects and achieved good results.
该法适用于大型复杂换热网络，满足生产控制要求，并能保证整个换热网络具有较高的可控性。
This method was adaptable to complex HEN, and could guarantee a more controllable HEN for production.
用过程能量组合方法对某炼油厂的换热网络进行改造，新方案比原系统节能57%，并减少了两台换热器。
Heat exchanger network for one oil refinery has been improved by process energy integration technology. Energy savings of new scheme is 57%against original design and number of units decrease by 2.
运用夹点技术分析了某化工厂中型合成氨装置的换热网络，发现现有换热网络中有较多能量利用不合理的地方。
The heat exchanger network of a medium ammonia plant has been analyzed by means of pinch technology, and some waste of energy use in the present heat exchanger network has been found.
在换热网络的运行过程中其操作条件时常发生变化，旁路优化控制是调节物流出口温度、节能降耗的有效途径。
During the operation of heat exchanger networks (HEN) with varying operating conditions, bypass optimal control is considered an effective method to adjust outlet fluid temperature and save energy.
依据夹点理论通常会产生以最大限度地回收系统能量为综合目标的换热网络综合，同时会产生一些闭合的匹配回路。
The synthesis of Heat Exchanger Network (HEN), aimed at reclaiming maximum system energy by means of pinch theory, often results in closed match loops.
改造后的实际运行表明，该网络具有换热效果好，灵敏度低(对外界变化的适应能力强)，阻力降低等优点。
The reconstructed network has been per - forming very well into operation with high efficiency, good adaptability to varying operation conditions, and low pressure drop.
改造后的实际运行表明，该网络具有换热效果好，灵敏度低(对外界变化的适应能力强)，阻力降低等优点。
The reconstructed network has been per - forming very well into operation with high efficiency, good adaptability to varying operation conditions, and low pressure...
提出了一种关于内流系统流动换热的网络计算法。
A network technique to predict the internal system of flow and heat exchange is presented.
在每个焓区间内尽可能地实现物流间垂直匹配换热，得到接近最小热力学换热面积的网络结构。
"Vertical matches" against the composite curves are performed as much as possible to achieve the minimum total area.
在每个焓区间内尽可能地实现物流间垂直匹配换热，得到接近最小热力学换热面积的网络结构。
"Vertical matches" against the composite curves are performed as much as possible to achieve the minimum total area.
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