Modeling and Design of a Multistream Plate-Fin Heat Exchanger in the Air Separation Units by Pinch Technology

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Stream</td><td class="align_center" colspan="6"><svg height="14.0004pt" id="M35" style="vertical-align:-5.3645pt" version="1.1" viewbox="-0.0498162 -8.6359 57.4378 14.0004" width="57.4378pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z"></path></g><g transform="matrix(.013,0,0,-0.013,8.327,0)"><path d="M600 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g 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32.1391ptpx;"><svg height="11.9087pt" id="M36" style="vertical-align:-3.2728pt" version="1.1" viewbox="-0.0498162 -8.6359 32.1391 11.9087" width="32.1391pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M600 0V24L339 665L311 657L43 24V0H600ZM497 50H107L303 539L497 50Z"></path></g><g transform="matrix(.013,0,0,-0.013,8.327,0)"><path d="M600 480C600 590 528 650 384 650H143L137 622C222 614 225 607 210 531L130 127C113 41 106 36 23 28L17 0H294L300 28C204 36 195 42 212 127L243 284L314 263C327 263 339 263 352 264C465 271 600 337 600 480ZM508 481C508 351 402 304 329 304C289 304 265 311 250 317L295 559C302 594 310 606 323 611C335 616 350 619 367 619C455 619 508 573 508 481Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,14.983,3.132)"><path d="M298 36L289 62C276 55 253 45 228 45C202 45 169 60 169 141V397H276C289 405 292 426 282 437H169V574L155 576L90 509V437H45L17 408L21 397H90V107C90 28 125 -12 188 -12C198 -12 213 -8 230 1L298 36Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,17.704,3.132)"><path d="M257 449C165 449 37 374 37 209C37 98 119 -12 256 -12C355 -12 473 65 473 226C473 349 381 449 257 449ZM244 416C333 416 380 320 380 204C380 67 329 21 267 21C184 21 130 115 130 241C130 354 184 416 244 416Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,22.244,3.132)"><path d="M298 36L289 62C276 55 253 45 228 45C202 45 169 60 169 141V397H276C289 405 292 426 282 437H169V574L155 576L90 509V437H45L17 408L21 397H90V107C90 28 125 -12 188 -12C198 -12 213 -8 230 1L298 36Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,25.074,3.132)"><path d="M433 39L423 65C413 59 399 54 387 54C370 54 352 69 352 114V299C352 352 342 392 307 422C285 440 255 449 225 449C168 437 102 399 75 379C56 365 44 353 44 339C44 315 69 296 87 296C101 296 111 303 116 319C124 349 133 371 145 385C156 397 171 404 190 404C241 404 275 364 275 291V274C253 256 180 229 120 209C65 190 39 159 39 110C39 47 88 -12 159 -12C189 -12 237 25 277 52C282 35 288 21 301 8C312 -3 333 -12 348 -12L433 39ZM275 84C256 65 221 48 195 48C164 48 124 73 124 124C124 161 146 180 185 198C206 208 254 229 275 240V84Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,29.115,3.132)"><path d="M238 0V26C174 32 166 38 166 104V712C132 700 70 683 18 677V653C81 647 87 645 87 577V104C87 38 78 32 15 26V0H238Z"></path></g></svg></span></td></tr><tr class="thead"><td class="align_center">I</td><td class="align_center">II</td><td class="align_center">III</td><td class="align_center">IV</td><td class="align_center">V</td><td class="align_center">VI</td></tr><tr><td class="thead-hr" colspan="8"><hr/></td></tr><tr><td class="align_left"><i>H</i>1</td><td class="align_center">2.07</td><td class="align_center">0.638</td><td class="align_center">12.62</td><td class="align_center">30.60</td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center">46</td></tr><tr><td class="align_left"><i>H</i>2</td><td class="align_center">8.10</td><td class="align_center">2.50</td><td class="align_center">49.40</td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center">60</td></tr><tr><td class="align_left"><i>C</i>1</td><td class="align_center"> </td><td class="align_center">1.43</td><td class="align_center">12.86</td><td class="align_center">6.23</td><td class="align_center">2.34</td><td class="align_center">7.14</td><td class="align_center">30</td></tr><tr><td class="align_left"><i>C</i>2</td><td class="align_center"> </td><td class="align_center"> </td><td class="align_center">51.60</td><td class="align_center">24.90</td><td class="align_center">9.40</td><td class="align_center"> </td><td class="align_center">86</td></tr><tr class="table-tr"><td colspan="8"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Pressure drop distribution results of hypothetical case example.</div>

International Journal of Chemical Engineering

tab5

Table 5

Table 5: Modeling and Design of a Multistream Plate-Fin Heat Exchanger in the Air Separation Units by Pinch Technology 