Dynamic Early Warning Method for Major Hazard Installation Systems in Chemical Industrial Park

<table class="fixed-width table-group" id="tab11"><tr><td><table class="table"><colgroup><col style="width:7.00em"/><col style="width:4.17em"/><col style="width:3.74em"/><col style="width:3.43em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">key parameter</td><td class="align_center"><span style="width: 18.1718ptpx;"><svg height="11.9479pt" id="M128" style="vertical-align:-3.181499pt" version="1.1" viewbox="-0.0498162 -8.7664 18.1718 11.9479" width="18.1718pt" 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="M614 175C564 76 510 21 408 21C256 21 146 149 146 336C146 488 235 629 402 629C510 629 570 586 597 480L626 488C620 541 614 582 606 638C578 643 510 665 429 665C206 665 44 527 44 316C44 157 153 -15 402 -15C474 -15 558 5 586 11C604 45 629 119 643 165L614 175Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.645,3.132)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,13.077,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g></svg></span></td><td class="align_center"><span style="width: 18.5111ptpx;"><svg height="11.9479pt" id="M129" style="vertical-align:-3.181499pt" version="1.1" viewbox="-0.0498162 -8.7664 18.5111 11.9479" width="18.5111pt" 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="M673 0V28C608 34 594 43 563 129C499 303 432 494 370 665L339 656L132 132C98 43 84 37 20 28V0H238V28C162 35 154 45 175 108C188 150 203 192 219 237H432C454 176 474 122 487 83S491 36 428 28V0H673ZM418 280H234C265 362 296 450 328 535H330L418 280Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,8.983,3.132)"><path d="M414 144C384 79 371 75 317 75H135L276 221C367 316 408 376 408 465C408 570 327 635 237 635C179 635 131 609 100 575L42 494L67 471C94 510 138 565 205 565C277 565 321 517 321 435C321 348 258 270 195 195C146 137 88 81 33 26V0H411C423 44 433 88 446 135L414 144Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,13.415,3.132)"><path d="M389 0V32C297 38 291 46 291 118V635C234 613 175 595 109 583V556L161 554C203 552 207 547 207 497V118C207 46 201 38 110 32V0H389Z"></path></g></svg></span></td><td class="align_center"><span style="width: 10.4352ptpx;"><svg height="13.288pt" id="M130" style="vertical-align:-5.47418pt" version="1.1" viewbox="-0.0498162 -7.81382 10.4352 13.288" width="10.4352pt" 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="M324 430H196L233 583L223 592L145 529L120 430H54L29 396L31 388H111L56 126C33 15 54 -12 77 -12C137 -12 214 57 250 95L233 119C208 92 155 59 138 59C126 59 120 70 131 125L186 390L298 394L324 430Z"></path></g><g transform="matrix(.0091,0,0,-0.0091,4.368,3.132)"><path d="M573 302C573 402 527 451 414 451C386 451 343 446 313 437L330 513L320 522C295 508 261 484 243 463L230 415C194 400 159 383 126 359L131 330C159 344 187 357 222 368L109 -147C96 -204 80 -214 18 -223L13 -255L256 -244L259 -212L236 -210C184 -205 180 -195 191 -141L219 -1C240 -10 268 -12 284 -12C352 4 431 48 484 104C543 166 573 240 573 302ZM481 290C481 165 381 37 305 37C280 37 249 56 235 71L302 395C328 399 353 402 372 402C427 402 481 378 481 290Z"></path></g></svg></span></td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">1037.760</td><td class="align_center"> 0.753%</td><td class="align_center">8.283</td><td class="align_center">0.038</td></tr><tr><td class="align_left">1035.590</td><td class="align_center"> 0.543%</td><td class="align_center">5.973</td><td class="align_center">0.055</td></tr><tr><td class="align_left">1038.630</td><td class="align_center">0.838%</td><td class="align_center">9.218</td><td class="align_center">0.078</td></tr><tr><td class="align_left">1038.190</td><td class="align_center">0.795%</td><td class="align_center">8.745</td><td class="align_center">0.112</td></tr><tr><td class="align_left">1042.530</td><td class="align_center">1.217%</td><td class="align_center">13.387</td><td class="align_center">0.160</td></tr><tr><td class="align_left">1044.700</td><td class="align_center">1.427%</td><td class="align_center">15.697</td><td class="align_center">0.229</td></tr><tr><td class="align_left">1042.530</td><td class="align_center">1.217%</td><td class="align_center">13.387</td><td class="align_center">0.327</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Percentage of key parameter over normal threshold, second-level fuzzy comprehensive evaluation, and attenuation factor.</div>

Complexity

tab11

Table 11

Table 11: Dynamic Early Warning Method for Major Hazard Installation Systems in Chemical Industrial Park 