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    • 27. 发明申请
    • DEVICE AND METHOD FOR MINIMIZING THE EFFECT OF AMBIENT CONDITIONS ON THE OPERATION OF A HEAT EXCHANGER
    • 环境条件对热交换器运行的影响最小化的装置和方法
    • WO2014006468A2
    • 2014-01-09
    • PCT/IB2013/001393
    • 2013-07-01
    • ORMAT TECHNOLOGIES INC.
    • BRONICKI, Lucien, Y.FISHER, Uriyel
    • F28F13/12
    • F24F1/48F28B1/06F28F13/12F28F27/00F28F2250/00F28F2265/02
    • A heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array comprising: at least one wind deflector installed along the long side of the finned tube arrays on at least one side of the arrays. The present invention for includes a method for minimizing the undesired effect of wind on the operation of a heat exchanger system for cooling liquid having a plurality of finned tube arrays and a plurality of fans for inducing air through the finned tube array, the method comprising the steps of setting the angle of deflection of the wind deflectors other than the angle of deflection of the uppermost position of the wind deflectors; collecting readings of outlet temperature sensor of the heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of the heat exchanger,' recording readings of outlet temperature sensor of the heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of the heat exchanger; comparing readings of outlet temperature sensor of the heat exchanger, ambient temperature, wind sensor and inlet air pressure sensor of the heat exchanger to previous readings; and carrying out a correction command if the the readings have changed.
    • 一种用于冷却液体的热交换器系统,具有多个翅片管阵列和用于通过翅片管阵列引导空气的多个风扇,包括:至少一个挡风板,其沿翅片管阵列的长边安装在至少一侧 阵列。 本发明包括一种用于最小化对于具有多个翅片管阵列的冷却液体的热交换器系统的操作的不期望的影响的方法和用于通过翅片管阵列诱导空气的多个风扇的方法,所述方法包括 设置风向偏转器的偏转角度,而不是风向偏转器的最上部位置的偏转角度的步骤; 收集热交换器的出口温度传感器,环境温度,风传感器和进口空气压力传感器的读数,“热交换器出口温度传感器的读数,环境温度,风传感器和入口空气压力传感器 热交换器; 将热交换器的出口温度传感器,环境温度,风传感器和进气压力传感器的读数与先前读数进行比较; 并且如果读数已经改变,则执行校正命令。
    • 29. 发明申请
    • PARALLEL HEAT EXCHANGER CONTROL
    • 并行热交换器控制
    • WO2013164472A1
    • 2013-11-07
    • PCT/EP2013/059304
    • 2013-05-03
    • NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY (NTNU)
    • JÄSCHKE, JohannesSKOGESTAD, Sigurd
    • G05B15/02
    • F28D15/00F24D10/003F28D7/0066F28F27/00F28F27/02Y02E20/14
    • In a heat exchanger network having two or more heat exchangers in parallel flow paths i that receive parts of a common process fluid at an incoming temperature T 0 , a first side of each of the heat exchangers being connected to the parallel flow paths i and hence receiving the common process fluid and the heat exchangers being arranged for heat exchange between this common process fluid and a plurality of second process fluids on the second sides of the heat exchangers, a method of controlling the heat exchanger network comprises: determining a split ratio u for the parts of the common process flow being directed into the parallel paths i that hold the heat exchangers, wherein for each of the parallel flow paths i a temperature based parameter ΔJT i is determined and the split ratio u is set by adjusting it such that the temperature based parameter ΔJT i is equal for each of the parallel flow paths i, and wherein for a flow path i containing a single heat exchanger the temperature based parameter ΔJT i is determined by or is proportional to a value obtained by calculating the square of the difference between the incoming temperature T 0 of the common process fluid and the outgoing temperature T i from the first side of the heat exchanger in that flow path i and then dividing this squared value by the difference between the incoming temperature T 0 and the incoming temperature T hi of the second fluid that supplies the second side of the heat exchanger.
    • 在具有在入口温度T0下接收公用过程流体的一部分的平行流路i中的两个或多个热交换器的热交换器网络中,每个热交换器的第一侧连接到并行流路i并因此接收 常用的工艺流体和热交换器被布置用于在该常用工艺流体和热交换器的第二侧上的多个第二工艺流体之间进行热交换,控制热交换器网络的方法包括:确定分流比u 共同工艺流程的部分被引导到保持热交换器的平行路径i中,其中对于每个并联流动路径,确定基于温度的参数DeltaJTi,并且通过调整分流比u使得基于温度的 对于每个平行流动路径i,参数DeltaJTi相等,并且其中对于包含单个热交换器的流路i的温度 基准参数DeltaJTi由通过计算公用处理流体的进入温度T0与来自该流路i中的热交换器的第一侧的出口温度Ti之间的差的平方得到的值来确定或成比例,然后 将该平方值除以进入温度T0和供应热交换器第二侧的第二流体的进入温度Thi之间的差。