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id="r95xvpd" class="sitemap">當前位置：<a href='http://m.hdzyzs.com/index.html'>duclean主頁(yè)</a> > <a href='/jishu/'>技術(shù)中心</a> > <a href='/jishul/'>技術(shù)論壇</a> > </div> <div id="xvfpfht" class="content"> <div id="vtvdh5p" class="news_xaingxi">粉塵爆炸原理介紹及預防措施</div> <div id="z955hp5" class="news_author"> 文章由admin發(fā)布，來(lái)源于未知 ??? ?瀏覽次數：發(fā)布日期：2019-07-19<br /> </div> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;"> 粉塵爆炸，是指粉塵在爆炸極限范圍內，遇到熱源（明火或溫度），火焰瞬間傳播于整個(gè)混合粉塵空間，化學(xué)反應速度極快，同時(shí)釋放大量的熱，形成很高的溫度和很大的壓力，系統的能量轉化為機械功以及光和熱的輻射，具有很強的破壞力。 </span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; text-align: center; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;"><img border="0" height="526" hspace="0" src="/uploads/images/2017/0320/1489978427133682.jpg" style="width: 700px; height: 526px;" title="粉塵爆炸原理" vspace="0" width="700" /></span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;"> 粉塵爆炸多在伴有鋁粉、鋅粉、鋁材加工研磨粉、各種塑料粉末、有機合成藥品的中間體、小麥粉、糖、木屑、染料、膠木灰、奶粉、茶葉粉末、煙草粉末、煤塵、植物纖維塵等產(chǎn)生的生產(chǎn)加工場(chǎng)所。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> </p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">一、產(chǎn)生條件</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">粉塵爆炸的條件主要有三個(gè)：</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">（1）可燃性粉塵以適當的濃度在空氣中懸浮，形成人們常說(shuō)的粉塵云；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">凡是呈細粉狀態(tài)的固體物質(zhì)均稱(chēng)為粉塵。能燃燒和爆炸的粉塵叫做可燃粉塵；浮在空氣中的粉塵叫懸浮粉塵；沉降在固體壁面上的粉塵叫沉積粉塵。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">具有爆炸性粉塵有：金屬（如鎂粉、鋁粉、鈦粉）；煤炭；糧食（如小麥、淀粉）；飼料（如血粉、魚(yú)粉）；農副產(chǎn)品（如棉花、煙草）；林產(chǎn)品（如紙粉、木粉）；合成材料（如塑料、染料）。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">某些企業(yè)工廠(chǎng)生產(chǎn)過(guò)程中產(chǎn)生的粉塵，特別是一些有機物加工中產(chǎn)生的粉塵，在某些特定條件下發(fā)生爆炸燃燒事故的幾率更高。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">（2）有充足的空氣和氧化劑；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">（3）有火源或者強烈振動(dòng)與摩擦產(chǎn)生靜電。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">二、爆炸原理</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">一般比較容易發(fā)生爆炸事故的粉塵大致有鋁粉、鋅粉、鈦粉、硅鐵粉、鎂粉、鐵粉、鋁材加工研磨粉、各種塑料粉末、有機合成藥品的中間體、小麥粉、糖、木屑、染料、膠木灰、奶粉、茶葉粉末、煙草粉末、煤塵、植物纖維塵等。這些物料的粉塵易發(fā)生爆炸燃燒的原因是都有較強的還原劑H、C、N、S等元素存在，當它們與過(guò)氧化物和易爆粉塵共存時(shí)，便發(fā)生分解，由氧化反應產(chǎn)生大量的氣體，或者氣體量雖小，但釋放出大量的燃燒熱。例如，鋁粉只要在二氧化碳氣體中就有爆炸的危險。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">粉塵爆炸的難易與粉塵的物理、化學(xué)性質(zhì)和環(huán)境條件有關(guān)。一般認為燃燒熱越大的物質(zhì)越容易爆炸，如煤塵、碳、硫黃等。氧化速度快的物質(zhì)容易爆炸，如鎂粉、鋁粉、氧化亞鐵、染料等。容易帶電的粉塵也很容易引起爆炸，如合成樹(shù)脂粉末、纖維類(lèi)粉塵、淀粉等。這些導電不良的物質(zhì)由于與機器或空氣摩擦產(chǎn)生的靜電積聚起來(lái)，當達到一定量時(shí)，就會(huì )放電產(chǎn)生電火花，構成爆炸的火源。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">通常不易引起爆炸的粉塵有土、砂、氧化鐵、研磨材料、水泥、石英粉塵以及類(lèi)似于燃燒后的灰塵等。這類(lèi)物質(zhì)的粉塵化學(xué)性質(zhì)比較穩定，所以不易燃燒。但是如果這類(lèi)粉塵產(chǎn)生在油霧以及CO、CH4、煤氣之類(lèi)可燃氣體中，也容易發(fā)生爆炸。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">粉塵的爆炸可視為由以下三步發(fā)展形成的：第一步是懸浮的粉塵在熱源作用下迅速地干餾或氣化而產(chǎn)生出可燃氣體；第二步是可燃氣體與空氣混合而燃燒；第三步是粉塵燃燒放出的熱量，以熱傳導和火焰輻射的方式傳給附近懸浮的或被吹揚起來(lái)的粉塵，這些粉塵受熱汽化后使燃燒循環(huán)地進(jìn)行下去。隨著(zhù)每個(gè)循環(huán)的逐次進(jìn)行，其反應速度逐漸加快，通過(guò)劇烈的燃燒，最后形成爆炸。這種爆炸反應以及爆炸火焰速度、爆炸波速度、爆炸壓力等將持續加快和升高，并呈跳躍式的發(fā)展。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">三、粉塵爆炸的危害</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">（1）具有極強的破壞性。粉塵爆炸涉及的范圍很廣，煤炭、化工、金屬制品加工、醫藥加工、木材加工、糧食和飼料加工等部門(mén)都時(shí)有發(fā)生，一旦發(fā)生爆炸會(huì )對周邊的人員、生產(chǎn)設備以及建筑房屋等造成嚴重的傷害。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">（2）容易產(chǎn)生二次爆炸。第一次爆炸氣浪把沉積在設備或地面上的粉塵吹揚起來(lái)，在爆炸后的短時(shí)間內爆炸中心區會(huì )形成負壓，周?chē)男迈r空氣便由外向內填補進(jìn)來(lái)，形成所謂的“返回風(fēng)”，與揚起的粉塵混合，在第一次爆炸的余火引燃下引起第二次爆炸。二次爆炸時(shí)，粉塵濃度一般比一次爆炸時(shí)高得多，故二次爆炸威力比第一次要大得多。例如，某硫磺粉廠(chǎng)，磨碎機內部發(fā)生爆炸，爆炸波沿氣體管道從磨碎機擴散到旋風(fēng)分離器，在旋風(fēng)分離器發(fā)生了二次爆炸，爆炸波通過(guò)爆炸后在旋風(fēng)分離器上產(chǎn)生的裂口傳播到車(chē)間中，揚起了沉降在建筑物和工藝設備上的硫磺粉塵，又發(fā)生了爆炸。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">（3）能產(chǎn)生有毒氣體。一種是一氧化碳；另一種是爆炸物(如塑料)自身分解的毒性氣體。毒氣的產(chǎn)生往往造成爆炸過(guò)后的大量人畜中毒傷亡，必須充分重視。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> </p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">四、粉塵爆炸的對策 </span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;"> 從粉塵發(fā)生爆炸需要具備的3個(gè)條件來(lái)看，預防粉塵爆炸就是要防止現場(chǎng)可以促成這3個(gè)條件形成的因素存在。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">1、<span id="jtd5jvj" class="Apple-tab-span" style="box-sizing: content-box; white-space: pre;"> </span>采用有效的通風(fēng)，避免現場(chǎng)形成封閉的環(huán)境；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">2、<span id="r59zzll" class="Apple-tab-span" style="box-sizing: content-box; white-space: pre;"> </span>在粉塵發(fā)生源頭，設置有效的除塵系統（除塵器），防止粉塵在現場(chǎng)擴散；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">3、對有粉塵爆炸危險的廠(chǎng)房，必須嚴格按照防爆技術(shù)等級進(jìn)行設計，并單獨設置通風(fēng)、防爆除塵系統（防爆除塵器）。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">4、工廠(chǎng)現場(chǎng)要經(jīng)常打掃車(chē)間地面和設備，防止粉塵飛揚和聚集，條件允許的最好采用濕式清掃。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">5、對于粉塵發(fā)生源頭或存在空間是密閉環(huán)境的情況，可以考慮對密閉容器或管道中充入適量的氮氣、二氧化碳等氣體，以減少氧氣含量，抑制粉塵的爆炸；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">6、現場(chǎng)禁止吸煙以及產(chǎn)生火花或明火的作業(yè)；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">7、對產(chǎn)生靜電的現場(chǎng)要采用相應的靜電防止、消除對策；</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">8、現場(chǎng)一旦發(fā)生粉塵爆炸，要及時(shí)采取抑爆、隔爆、泄爆等措施，盡量減少人員傷亡以及經(jīng)濟損失。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">在實(shí)際應用中，并不是每一種防護措施單獨使用，往往采用多種防護措施進(jìn)行組合運用，以達到更可靠更經(jīng)濟的預防效果。</span><br /> <span style="font-size: 16px; color: rgb(34, 34, 34); font-family: Arial, Verdana, sans-serif;"> DUCLEAN品牌粉塵防爆除塵器APD系列與MSD系列取得了歐洲TUV-NORD整機安全認證，能夠最大限度地降低粉塵發(fā)生爆炸的幾率，安裝可靠。有興趣的朋友可以來(lái)電咨詢(xún)清好環(huán)?？萍汲啥加邢薰?，我們會(huì )根據您工廠(chǎng)的實(shí)際情況提供專(zhuān)業(yè)的粉塵防爆解決方案。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> </p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">五、案例介紹</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">1913－1973年間美國僅工農業(yè)領(lǐng)域，就發(fā)生過(guò)72次比較嚴重的粉塵爆炸事故。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">1952—1979年間，日本發(fā)生各類(lèi)粉塵爆炸事故209起，傷亡共546人，其中以粉碎制粉工程和吸塵分離工程較突出，各為46起。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">1965—1980年，聯(lián)邦德國發(fā)生各類(lèi)粉塵爆炸事故768起，其中較嚴重的是木粉及木制品粉塵和糧食飼料爆炸事故，分別占32%和25%。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">1942年，我國本溪煤礦曾發(fā)生世界上最大的煤塵爆炸，死亡1549人，重傷246人。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">1987年哈爾濱亞麻廠(chǎng)的亞麻塵爆炸事故，死亡58人，輕重傷177人，直接經(jīng)濟損失882萬(wàn)元。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">2014年8月2日江蘇昆山工廠(chǎng)爆炸導致至少65人死亡。爆炸系因粉塵遇到明火引發(fā)的安全事故。</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 微軟雅黑, 'Helvetica Neue', Helvetica, Arial; white-space: normal; background-color: rgb(255, 255, 255);"> <span style="font-size:16px;">昆山工廠(chǎng)粉塵爆炸</span></p> <p style="box-sizing: content-box; margin-top: 0px; margin-bottom: 10px; padding: 0px; text-indent: 2em; font-size: 14px; line-height: 24px; overflow: hidden; width: 855px; color: rgb(102, 102, 102); font-family: 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