烟道侧墙倒塌事故技术分析

甜蜜 · 发表于 2008-3-18 17:10:39

<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">华能德州电厂脱硫工程调试中烟道侧墙倒塌事故技术分析报告<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">      2006<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">年<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">10<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">月<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">18<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">日<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">清华同方公司承揽的华能德州电厂二期脱硫工程<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">(2x300MW)<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">进行系统接口调试及各项准备工作时<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">正值该厂<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">#3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组计如检修后启动。当时<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,#3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">A<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">B<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">送风机、引风机、一次风机正常运行<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,AA<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">层<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">#1<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、<span lang="EN-US" style="FONT-SIZE: 9pt; 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mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,BC<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">层＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">1<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">2<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">油枪，<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">B<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">层＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">1<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">给粉机运行<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">炉膛负压回－<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">70Pa<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">，机组稳定运行。<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">10<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">：<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">50<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">分，运行人员监盘发现炉膛负压迅速变正，立即手动停机。就地检查发现，＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">炉烟道旁路挡板前原烟道入口对面的侧墙向外侧倒塌，将原烟道侧下部的脱硫现场单层砖房砸塌<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">2<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">间。脱硫工程施工中，将锅炉原水平烟道进行了改造<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">:<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">在原水平期道上开孔<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">连接脱硫装置，原水平烟道作为脱琉塔的旁路期道，并设置一个气动挡板，脱硫塔进出口烟道<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">(<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">称为原烟道和净烟道<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">)<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">各设一个电动挡板。调试过程中，机组处于点火启动状态，     3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">个挡板门全部关闭，造成砖制旁路烟道承受压力，产生侧墙向外侧倒塌。事故产生的原因分析如下<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">:1<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组旁路烟道挡板控制回路设计不完善根据《火力发电厂设计技术规程》<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">DL5000-2000<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">“<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">12.7.6<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">……顺序控制在自动运行期间发生任何故障或运行人员中断时，应使正在进行的程序中断，并使工艺系统处于安全状态。”的要求<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">当脱硫控制系统故障或失电时<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">无论是模拟量控制回路还是快开保护回路，应发出使＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组旁路烟道挡板处于打开状态的控制信号，以保证单元机组的安全。而清华同方的设计图纸<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">F401IIE01S-K0302-01<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">脱硫<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">DCS<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">模拟量输入输出清单中第<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">5~8<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">项＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组旁路挡板上半部分和下半部分开度命令<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">4<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">～<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">20mA<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">，对应<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">0<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">～<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">100%<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">开度信号，即表示当脱硫控制系统输出为零时，<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">#3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组旁路挡板气动执行机构智能定位器接受到一个<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">4mA<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">的开度命令<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">而使＃<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">机组旁路挡板关闭。脱硫工程<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">DCS<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">设计中虽然考虑了运行过程中<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">个挡板门的联锁保护，正常运行时<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">个门不会同时关断。但在<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">DPU<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">下装程序过程中，控制指令自动清零<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">导致旁路烟道门发生关闭。<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">2<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、对<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">个挡板门全关情况下发生事故的可能性和危害性认识不足原砖制烟道<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">(<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">现旁路烟道<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">)<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">设计中没有任何档板<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">锅炉及尾部烟道处于零压附近运行。脱硫装置施工后<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">加入挡板，正常状态下，锅炉和烟道不承受压力。但在<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">个挡板全关情况下型烟道内部和锅炉内部都会承受压力。送风机静压送至锅炉和引风机前面的烟道，而现旁路期道中将承受送风机和引风机的全部静压。事故发生时，事故点附近压力达<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">2200Pa(<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">压力表量程上限<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">)<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">致使该砖制烟道承受内压力而爆破。<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">3<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">、本工程合同附件规定<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">"<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">卖方进行脱硫系统内的建构筑物设计时如需利用原有建筑物，卖方负责原有地基基础和上部结构的验算<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">(<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">期囱除外<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">),<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">买方提供相关资料给卖方<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">"<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">。本工程的卖方<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">(<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">清华同方<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">)<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">没能按照合同的要求对使用环境改变后的烟道结构进行验算，并采取相应措施<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">以致发生垮塌。经核算<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">,<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">事故发生时烟道垮塌的墙体对侧下部的单层砖房屋顶形成的冲击力远远超出其正常承载力<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">(10<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">倍以上<span lang="EN-US" style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;">),<span style="FONT-SIZE: 9pt; COLOR: black; FONT-FAMILY: 宋体; mso-ascii-font-family: tahoma; mso-hansi-font-family: tahoma; mso-bidi-font-family: tahoma; mso-font-kerning: 1.0pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa;">使得单层砖房的屋顶完全破坏。

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