1

2

Use to add/remove heat from one fluid to another

別の流体から熱を追加 /削除する

ために使用します

Heaters, coolers, reboilers and condensers

ヒーター、クーラー、リボイ ラーとコンデンサー

Heat Exchangers 熱交換器

3

Heat Exchangers Design Sizing Rating

4

Drawing

MES Tube layout

Calculation

HTRI Xchanger Suite

Evaluate Design

Modify Drawing

Data Synchronization

Input Process

Data

DrawInitial Tube

Layout

5

Drawing of tube layouts is low productivity チューブレイアウトの描画は生産性が低いです。

• Layout resets• Baffles is not shown• Impingement is not

flexible• Limited tube

selection• Unable to store

permanently data

Problems Encountered

6

Tube layout drawing and HTRI model are inconsistent

Actual performance of HEx may differ from design

Problems Encountered

7

DASH PROCESS

8

Why we need this improvement?

What is the target of this study? To increase productivity by reducing the

time in constructing/modifying tube layouts

To increase quality by automating data synchronization

9

WHY IS THE MES TUBELAYOUT TOOL LOW IN PRODUCTIVITYAND QUALITY?

ROOT CAUSE ANALYSISMANUAL SYNCHRONIZATION OF DATA BETWEEN CALCULATION AND DRAWING TOOLS

DISCREPANCY BETWEEN HTRI MODEL ANDTUBE LAYOUT

CONSTRUCTING/ MODIFYING OF TUBELAYOUT IS TIME-CONSUMING

CALCULATION AND TUBE LAYOUT TOOLS ARE SEPARATE SOFTWARES

CALCULATION AND TUBE LAYOUT TOOLS ARE SEPARATE SOFTWARES

LIMITED FUNCTIONALITY OF MES TUBE LAYOUT TOOL

10

ROOT CAUSE AND COUNTERMEASURE

CALCULATION AND TUBE LAYOUT TOOLS ARE SEPARATE SOFTWARES

LIMITED FUNCTIONALITY OF MES TUBE LAYOUT TOOL

USE THE BUILT-IN TUBE LAYOUT TOOL IN HTRI

USE THE LATEST VERSION OF HTRI SOFTWARE WITHUPDATED TUBE LAYOUT TOOL

MES Tube Layout HTRI Tube LayoutSeparate software Built-in software

Manual data synchronization

Automatic data synchronization

Manual calculation Automatic calculationLayout reset Instantaneous update

Compare and contrast

Incomplete output labels

Incomplete output labels

12

Test cases (controlled) 80 cases overall Time/case (min.) % Time reduction

13

Productivity % Time Reduction

Construction of tube layout 33 - 57

Modification

Increase size to 1.5x 67 - 83

Increase tubepass to 2x 77 - 88

Modify tubepass layout to mixed 76 - 83

Adjust OTL to 0.8x 80 - 91

Change to rod impingement 64 - 93

Change baffle cut 60 - 85

Adjust passlane location 69 - 91

Change baffle orientation 63 - 87

Increase inlet nozzle 66 - 88

The time in constructing a layout is reduced drastically

14

Quality

Discrepancies in MES tube layout and HTRI model

MES tube layout HTRI modelHTRI tube layout HTRI model

Identical tube layout and HTRI model

Increase accuracy and reliability

15

16

17

END