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href="http://m.tllngy.com">m.tllngy.com</a> </div> <ul style=" margin:10px 0px;"> </ul> <div id="yysso0u" class="text editor">　　長(cháng)期以來(lái)，煤炭作為基礎能源，在我國能源的生產(chǎn)與消費結構中一直占據主導地位。我國煤炭資源北多南少、西富東貧，煤炭消費基地主要在東部地區，而煤炭的生產(chǎn)與供應基本在中、西部地區，這種錯位性布局導致我國煤炭運輸基本上形成北煤南運、西煤東運的格局。<br /> 　　因為鐵路運輸的準確性和連續性強、速度比較快、運數量比較大、成本比較低和安全可靠的特點(diǎn)，使鐵路運輸成為煤炭的主要運輸方式。由于洗煤中含有一定量的水分，在冬季時(shí)同時(shí)北方地區氣溫低，常常造成在煤炭運輸、裝卸過(guò)程中洗煤之間和洗煤與車(chē)廂之間凍結，而冬季煤運凍車(chē)問(wèn)題給礦、路、港各部門(mén)均帶來(lái)巨大的經(jīng)濟損失。主要損失形式有凍車(chē)殘煤隨車(chē)流失、凍車(chē)殘煤往返運輸造成運力浪費、清理凍車(chē)殘煤所用資金、凍車(chē)滯港時(shí)間加長(cháng)，影響鐵路車(chē)輛正常周轉、港口裝卸能力下降。<br /> 　　多年來(lái)，國內外曾采用許多方法解決散裝顆粒貨物上凍的問(wèn)題，如振動(dòng)、爆破、電加熱、解凍庫、煤中加MgCl2、CaCl2、車(chē)體涂石蠟和柴油等方法，而這些方法勞動(dòng)強度大，成高，車(chē)體受污染，煤質(zhì)也受影響，未能從根本上解決散裝顆粒貨物上凍的問(wèn)題。鐵路煤炭運輸防凍液因其使用方便，不受地區、場(chǎng)所限制，能耗少、見(jiàn)效快等優(yōu)點(diǎn)。已成為含水顆粒貨物冬季運輸防凍的重要手段。<br /> 　　鐵路煤炭運輸防凍液就是以少量的化學(xué)物質(zhì)加入到含水煤、礦粉等顆粒物中，使煤、礦粉中水的冰點(diǎn)降低。在一般的低溫下此水分不會(huì )結冰，即使較低的溫度下凍結，其冰晶結構也發(fā)生變化，凍結強度減弱，用較小外力就能夠使凍結物破碎，達到防凍、解凍的目的。<br /> 　　合格的鐵路煤炭運輸防凍液要求具有優(yōu)良的防凍效果，不對車(chē)輛造成腐蝕。無(wú)毒或低毒、避免對環(huán)境造成污染，粘度適中，便于噴灑，長(cháng)期存放不失效，價(jià)格低廉等。<br /> 　　編輯：wmm<br /> <br /></div> <div id="uey0www" class="page" style="clear:both;"> 上一條：<a href="http://m.tllngy.com/xwzx/hydt/show459.html">采暖系統防凍液的更換方法</a><br> 下一條：<a href="http://m.tllngy.com/xwzx/hydt/show397.html">暖氣不熱的原因有哪些？</a><br> </div> <h4 class="related"><span style="font-weight:bold;height:30px;line-height:30px;font-size:13px; color:#fff; padding-left:10px">鐵路煤炭運輸防凍液相關(guān)資料</span></h4> <ul class="related-list"> <li><a target="_blank" title="不同顏色的鐵路煤炭運輸防凍液的區別" href="http://m.tllngy.com/xwzx/gsxw/show448.html">不同顏色的鐵路煤炭運輸防凍液的區別</a></li><li><a target="_blank" title="鐵路煤炭運輸防凍液的優(yōu)勢" href="http://m.tllngy.com/xwzx/gsxw/show454.html">鐵路煤炭運輸防凍液的優(yōu)勢</a></li><li><a target="_blank" title="鐵路煤炭運輸防凍液的保質(zhì)期是多久？" href="http://m.tllngy.com/xwzx/gsxw/show455.html">鐵路煤炭運輸防凍液的保質(zhì)期是多久？</a></li> </ul> <div id="s00yc0k" class="clear"></div>  <h4 class="related"><span 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