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<DIV align=center class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體; FONT-SIZE: 16pt; mso-bidi-font-size: 12.0pt"><FONT color=#ff0000><STRONG><FONT size=5>***二煤礦采煤二隊(duì)611區(qū)長(zhǎng)壁工作面<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></STRONG></FONT></SPAN></DIV>
<DIV align=center class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體; FONT-SIZE: 15pt; mso-bidi-font-size: 12.0pt"><FONT color=#ff0000><STRONG><FONT size=5>1977年3月7日冒頂事故<o:p></o:p></FONT></STRONG></FONT></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>1977月3月7日中班,高二礦采煤二隊(duì)611區(qū)東三段下分層:工作面,因支柱不及時(shí),頂</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">板懸空面積大,走向長(zhǎng)達(dá)<SPAN lang=EN-US>2.2m,傾長(zhǎng)斜達(dá)7.5m,在處理隱患時(shí),發(fā)生頂板冒落事故,</SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">死亡<SPAN lang=EN-US>2人。<o:p></o:p></SPAN></SPAN></FONT></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="COLOR: black; FONT-FAMILY: 黑體; FONT-SIZE: 13pt; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 宋體"><STRONG><FONT size=4>一、工作面慨況:<SPAN lang=EN-US><o:p></o:p></SPAN></FONT></STRONG></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>61工區(qū)東三段下分層走向長(zhǎng)璧工作面,長(zhǎng)62m,煤厚1.Om,采高1.Om,木支柱。</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">支柱間距,中對(duì)中橫豎距<SPAN lang=EN-US>1.0m,傾角17度一18度,放炮落煤,17型溜子運(yùn)輸,(整體移</SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">溜<SPAN lang=EN-US>)人工攉煤。<o:p></o:p></SPAN></SPAN></FONT></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="COLOR: black; FONT-FAMILY: 黑體; FONT-SIZE: 13.5pt; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 宋體"><FONT size=4>二、事故經(jīng)過(guò):<SPAN lang=EN-US><o:p></o:p></SPAN></FONT></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>3月7日下午三點(diǎn)班前會(huì)后,由付隊(duì)長(zhǎng)劉國(guó)斌、班長(zhǎng)羅學(xué)祥帶隊(duì)入井。工作前檢查工</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">作面安全情況時(shí),發(fā)現(xiàn)距機(jī)頭<SPAN lang=EN-US>12m處頂板破碎,特別是機(jī)頭處頂板明顯斷裂,還在嚓嚓</SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">地響,<SPAN lang=EN-US>(動(dòng)壓狀態(tài))班長(zhǎng)便叫攉煤工退開(kāi),先打了兩根臨時(shí)支柱,穩(wěn)住了頂板。<o:p></o:p></SPAN></SPAN></FONT></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><FONT size=4><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>待煤攉完后,空頂面積已達(dá)16.5m,沒(méi)有一根支柱,就準(zhǔn)備移溜。<o:p></o:p></FONT></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=4><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>要整體移溜,必須取掉工作面兩根臨時(shí)支柱,王永廷在打替換支柱掏腳窩,鐘正光</SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">賺他動(dòng)作慢,就上去把王拉開(kāi),自己去掏,剛把腳窩掏好立支柱時(shí),掉下一塊長(zhǎng)<SPAN lang=EN-US>4.Om,</SPAN></SPAN><SPAN style="COLOR: black; FONT-FAMILY: 宋體">寬<SPAN lang=EN-US>2.2m,.厚0.45m的矸石,將鐘正光頭部壓在溜子上,王永廷壓在煤璧邊,當(dāng)即死亡。<o:p></o:p></SPAN></SPAN></FONT></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="COLOR: black; FONT-FAMILY: 黑體; FONT-SIZE: 13.5pt; mso-bidi-font-size: 12.0pt; mso-hansi-font-family: 宋體"><FONT size=4>三、事故原因及教訓(xùn):<SPAN lang=EN-US><o:p></o:p></SPAN></FONT></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><FONT size=4>1.該隊(duì)新搞整體移溜,礦上已制訂了安全技術(shù)措施,但隊(duì)未向職工貫徹,<o:p></o:p></FONT></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><FONT size=4>2.空頂作業(yè)懸頂面積大,又無(wú)支柱,造成頂板脫層,埋下垮落隱患;<o:p></o:p></FONT></SPAN></DIV>
<DIV align=left class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: black; FONT-FAMILY: 宋體"><FONT size=4>3.破碎頂板,光頭木支柱,(沒(méi)有頂梁)整體移溜,無(wú)法控制懸空間頂板的冒落;<o:p></o:p></FONT></SPAN></DIV></CENTER></CENTER></CENTER>

     編 輯:蘭天