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<div><p> 武汉<a href="http://www.booksinthecasba.com/supply/46.html" target="_blank">锅炉讑֤‡¾l´ä¿</a> </p> <p> 武汉锅炉讑֤‡¾l´ä¿è®²è§£é”…炉常见故障及处理方æ³?br /> 1. 水位异常的原因与处理<br /> 1.1 ¾~ºæ°´<br /> 武汉锅炉讑֤‡¾l´ä¿è®²è§£¾~ºæ°´äº‹æ•…是较常见的锅炉事故。当锅炉水位低于较低许可水位时称作缺水。在¾~ºæ°´åŽé”…½{’和锅管被烧¾U¢çš„情况下,若大量上æ°ß_¼Œæ°´æŽ¥è§¦åˆ°çƒ§çº¢çš„é”…½{’和锅管会äñ”生大量蒸汽,汽压剧增会导致锅炉烧坏、甚至爆炸。缺水原因:˜qè§„脱岗、工作疏忽、判断错误或误操作;水位‹¹‹é‡æˆ–警报系¾lŸå¤±çµï¼›è‡ªåŠ¨¾l™æ°´æŽ§åˆ¶è®‘Ö¤‡æ•…éšœåQ›æŽ’污不当或排污设施故障åQ›åŠ çƒ­é¢æŸååQ›è´Ÿè·éª¤å˜ï¼›ç‚‰æ°´å«ç›é‡è¿‡å¤§ã€‚预防措施:严密监视水位åQŒå®šæœŸæ ¡å¯ÒŽ°´ä½è®¡å’Œæ°´ä½è­¦æŠ¥å™¨åQŒå‘现缺陷及时消除;注意¾~ºæ°´çŽ°è±¡çš„观察,¾~ºæ°´æ—¶æ°´ä½è®¡çŽÈ’ƒ½Ž¡ï¼ˆæ¿ï¼‰å‘ˆç™½è‰ÔŒ¼šä¸¥é‡¾~ºæ°´æ—¶ä¸¥¼›å‘锅炉内给æ°ß_¼šæ³¨æ„ç›‘视和调整给水压力和¾l™æ°´‹¹é‡åQŒä¸Žè’¸æ±½‹¹é‡ç›”R€‚应åQšæŽ’污应按规½E‹è§„定,每开一‹Æ¡æŽ’污阀åQŒæ—¶é—´ä¸­‘…过30såQŒæŽ’污后关紧阀门,òq¶æ£€æŸ¥æŽ’污是否泄漏:监视汽水品质åQŒæŽ§åˆ¶ç‚‰æ°´å«é‡ã€?br /> <img style="max-width:100%;" src="http://cmsimgshow.zhuchao.cc/32707/201908121441480973270796229.jpg" alt="" /> </p> <p> 1.2 满水<br /> 武汉锅炉讑֤‡¾l´ä¿è®²è§£æ»¡æ°´äº‹æ•…是锅炉水位超˜q‡äº†è¾ƒé«˜è®¸å¯æ°´ä½åQŒä¹Ÿæ˜¯å¸¸è§äº‹æ•…之一。满水事故会引è“v蒸汽½Ž¡é“发生水击åQŒæ˜“把锅炉本体、蒸汽管道和阀门震坏;此外åQŒæ»¡æ°´æ—¶è’¸æ±½æºå¸¦å¤§é‡ç‚‰æ°´åQŒä‹É蒸汽品质恶化。满水原因:操作人员疏忽大意åQŒè¿ç« æ“ä½œæˆ–误操作;水位计和水考克¾~ºé™·åŠæ°´˜qžç®¡å µå¡žåQ›è‡ªåŠ¨ç»™æ°´æŽ§åˆ¶è®¾å¤‡æ•…障或自动¾l™æ°´è°ƒèŠ‚器失灵;锅炉负荷降低åQŒæœªåŠæ—¶å‡å°‘¾l™æ°´é‡ã€‚处理措施:如果是轻微满æ°ß_¼Œåº”å…³ž®é¼“风机和引风机的调节门åQŒä‹É燃烧减弱åQ›åœæ­¢ç»™æ°ß_¼Œå¼€å¯æŽ’污阀门放æ°ß_¼›ç›´åˆ°æ°´ä½æ­£å¸¸åQŒå…³é—­æ‰€æœ‰æ”¾æ°´é˜€åQŒæ¢å¤æ­£å¸¸è¿è¡Œã€‚如果是严重满水åQŒé¦–先应按紧急停炉程序停炉;停止¾l™æ°´åQŒå¼€å¯æŽ’污阀门放æ°ß_¼›å¼€å¯è’¸æ±½æ¯½Ž¡åŠ˜q‡çƒ­å™¨ç–æ°´é˜€é—¨ï¼Œ˜q…速疏æ°ß_¼›æ°´ä½æ­£å¸¸åŽï¼Œå…³é—­æŽ’污阀门和疏水阀门,再生火运行ã€?br /> 2. 汽水å…Þp…¾çš„原因与处理<br /> 汽水å…Þp…¾æ˜¯é”…炉内水位波动òq…度­‘…出正常情况åQŒæ°´é¢ç¿»è…„¡¨‹åº¦å¼‚常剧烈的一¿UçŽ°è±¡ã€‚其后果是蒸汽大量带æ°ß_¼Œä½¿è’¸æ±½å“è´¨ä¸‹é™ï¼›æ˜“发生水冲击åQŒä‹É˜q‡çƒ­å™¨ç®¡å£ä¸Š¿U¯é™„盐垢åQŒåª„响传热而ä‹É˜q‡çƒ­å™¨è¶…温,严重时会烧坏˜q‡çƒ­å™¨è€Œå¼•å‘爆½Ž¡äº‹æ•…。汽水共腑֎Ÿå› ï¼›é”…炉水质没有辑ֈ°æ ‡å‡†åQ›æ²¡æœ‰åŠæ—¶æŽ’污或排污不够åQŒé€ æˆé”…水中盐¼„±å«é‡è¿‡é«˜ï¼›é”…水中æÑa污或悬æÕQ物过多;负荷½Hç„¶å¢žåŠ ã€‚处理措施:降低负荷åQŒå‡ž®‘蒸发量åQ›å¼€å¯è¡¨é¢è¿ž¾l­æŽ’污阀。降低锅水含盐量åQŒé€‚当增加下部排污量,增加¾l™æ°´åQŒä‹É锅水不断调换新水ã€?br /> 3. 燃烧异常原因与处ç?br /> 武汉锅炉讑֤‡¾l´ä¿å‘Šè¯‰å¤§å®¶ç‡ƒçƒ§å¼‚常主要表现在烟道尾部发生二‹Æ¡ç‡ƒçƒ§å’ŒçƒŸæ°”爆炸。多发生在燃沚w”…炉和煤粉锅炉内。这是由于没有燃ž®½çš„可燃物,附着在受热面上,在一定的条äšg下,重新着火燃烧。尾部燃烧常ž®†çœç…¤å™¨ã€ç©ºæ°”预热器、甚臛_¼•é£Žæœºçƒ§ååQšäºŒ‹Æ¡ç‡ƒçƒ§åŽŸå› ï¼šç‚­é»‘、煤¾_‰ã€æÑa½{‰å¯ç‡ƒç‰©èƒ½å¤Ÿæ²‰ç§¯åœ¨å¯¹‹¹å—热面上是因äؓ燃æÑa雑֌–不好åQŒæˆ–煤粉¾_’度较大åQŒä¸æ˜“完全燃烧而进入烟道;点火或停炉时炉膛温度太低åQŒæ˜“发生不完全燃烧,大量未燃烧的可燃物被烟气带入烟道åQ›ç‚‰è†›è´ŸåŽ‹è¿‡å¤§ï¼Œç‡ƒæ–™åœ¨ç‚‰è†›å†…停留旉™—´å¤ªçŸ­åQŒæ¥ä¸åŠç‡ƒçƒ§ž®Þp¿›å…¥å°¾éƒ¨çƒŸé“。尾部烟道温度过高是因äؓž®ùNƒ¨å—热面粘上可燃物后,传热效率低,烟气得不到冷åß_¼›å¯ç‡ƒç‰©åœ¨é«˜æ¸©ä¸‹æ°§åŒ–放热:在低负荷特别是在停炉的情况下åQŒçƒŸæ°”流速很低,散热条äšg差,可燃物氧化äñ”生的热量¿U¯è“„èµäh¥åQŒæ¸©åº¦ä¸æ–­å‡é«˜ï¼Œå¼•è“v自燃。同时烟道各部分的门、孔或风挡门不严åQŒæ¼äººæ–°é²œç©ºæ°”助燃。处理措施:立即停止供给燃料åQŒå®žè¡Œç´§æ€¥åœç‚‰ï¼Œä¸¥å¯†å…³é—­çƒŸé“、风挡板及各门孔åQŒé˜²æ­¢æ¼é£Žï¼Œä¸¥ç¦å¼€å¼•é£Žæœºï¼šž®ùNƒ¨æŠ•å…¥ç­ç«è£…置或用蒸汽吹灭器进行灭火:加强锅炉的给水和排水åQŒä¿è¯çœç…¤å™¨ä¸è¢«çƒ§ååQ›å¾…灭火后方可打开门孔˜q›è¡Œ‹‚€æŸ¥ã€‚确认可以ç‘ô¾l­è¿è¡Œï¼Œå…ˆå¼€å¯å¼•é£Žæœº10 ï½?15min 后再重新点火ã€?br /> 4. 武汉锅炉讑֤‡¾l´ä¿è®²è§£ä»‹ç»æ‰¿åŽ‹éƒ¨äšg摄坏的原因与处理<br /> 4.1 锅管爆破锅炉˜qè¡Œä¸­ï¼Œæ°´å†·å£ç®¡å’Œå¯¹‹¹ç®¡çˆ†ç ´æ˜¯è¾ƒå¸¸è§çš„事故,性质严重åQŒéœ€åœç‚‰‹‚€ä¿®ï¼Œç”šè‡³é€ æˆä¼¤äº¡ã€‚爆破时有显著声响,爆破后有å–äh±½å£ŽÍ¼šæ°´ä½˜q…速下降,汽压、给水压力、排烟温度均下降åQ›ç«ç„°å‘暗,燃烧不稳定或被熄灭。发生此™å¹äº‹æ•…æ—¶åQŒå¦‚仍能¾l´æŒæ­£å¸¸æ°´ä½åQŒå¯ç´§æ€¥é€šçŸ¥æœ‰å…³éƒ¨é—¨åŽå†åœç‚‰åQŒå¦‚水位、汽压均不能保持正常åQŒå¿…™åÀLŒ‰½E‹åºç´§æ€¥åœç‚‰ã€‚发生这¾cÖMº‹æ•…的原因一般是水质不符合要求,½Ž¡å£¾l“垢或管壁受腐蚀或受飞灰¼‚¨æŸå˜è–„åQ›å‡ç«è¿‡çŒ›ï¼Œåœç‚‰˜q‡å¿«åQŒä‹É锅管受热不均匀åQŒé€ æˆç„Šå£ç ´è£‚åQ›ä¸‹é›†ç®±¿U¯æƒ”垢未排除åQŒé˜»å¡žé”…½Ž¡æ°´å¾ªçŽ¯åQŒé”…½Ž¡å¾—不到冷却而过热爆破ã€?br /> 4.2 ˜q‡çƒ­å™¨ç®¡é“损å?br /> 现象åQšè¿‡çƒ­å™¨é™„近有蒸汽喷出的响声åQšè’¸æ±½æµé‡ä¸æ­£å¸¸åQŒç»™æ°´é‡æ˜Žæ˜¾å¢žåŠ åQ›ç‚‰è†›è´ŸåŽ‹é™ä½Žæˆ–产生正压åQŒä¸¥é‡æ—¶ä»Žç‚‰è†›å–·å‡ø™’¸æ±½æˆ–火焰åQ›æŽ’烟温度显著下降。发生这¾cÖMº‹æ•…的原因一般是åQŒæ°´è´¨ä¸è‰¯ï¼Œæˆ–水位经常偏高,或汽水共腾,以致˜q‡çƒ­å™¨ç»“垢;引风量过大,使炉膛出口烟温升高,˜q‡çƒ­å™¨é•¿æœŸè¶…温ä‹É用;也可能烟气偏‹¹ä‹É˜q‡çƒ­å™¨å±€éƒ¨è¶…温;‹‚€ä¿®ä¸è‰¯ï¼Œä½¿ç„Šå£æŸåæˆ–水压试验后,½Ž¡å†…¿U¯æ°´ã€‚事故发生后åQŒå¦‚损坏不严重,又生产需要,待备用炉启用后再停炉åQŒä½†å¿…须密切注意åQŒä¸èƒ½ä‹É损坏恶化åQ›å¦‚损坏严重åQŒåˆ™å¿…须立即停炉。控制水、汽品质åQ›é˜²æ­¢çƒ­åå·®åQ›æ³¨æ„ç–æ°ß_¼›æ³¨æ„å®‰å…¨‹‚€ä¿®è´¨é‡ï¼Œå›_¯é¢„防˜q™ç±»äº‹æ•…ã€?br /> 5. 锅炉水冷壁管的损坏原因与处理<br /> 水冷壁损坏的现象åQšæ°´ä½ä¸‹é™ï¼Œè’¸æ±½åŽ‹åŠ›å’Œç»™æ°´åŽ‹åŠ›ä¸‹é™ï¼Œ¾l™æ°´‹¹é‡ä¸æ­£å¸¸åœ°å¤§äºŽè’¸æ±½‹¹é‡ã€‚轻微泄漏时åQŒæœ‰è’¸æ±½å–·å‡ºçš„响壎ͼŒçˆ†ç ´æ—Óž¼Œæœ‰æ˜¾è‘—的响声。各ŒD늃Ÿæ¸©ä¸‹é™ï¼Œç°æ¸£æ–—内有湿灎ͼŒä¸¥é‡æ—Óž¼Œå‘外漏水。炉内负压减ž®ï¼Œä¸¥é‡æ—¶å˜æ­£ï¼Œç‚‰é—¨ã€äh孔不严密处向外喷汽和冒烟。燃烧不½EÏxˆ–造成灭火。水冷壁损坏的原因:炉水品质不合æ û|¼Œé•¿æœŸ˜qè¡ŒæœªæŒ‰è§„定˜q›è¡ŒæŽ’污åQŒä‹É½Ž¡å†…腐蚀或结垢。升火方式不正确åQŒæŽ’污门泄漏或炉内结焦,½Ž¡å£å—热不均åQŒä‹É局部水循环不良。严重缺水时åQŒé”™è¯¯åœ°å¤§é‡˜q›æ°´åQŒå¯¼è‡´çˆ†½Ž¡ã€‚喷燃器附近水冷壁管保护不好åQŒç£¨æŸä¸¥é‡ã€‚吹灰器、喷口或吹灰½Ž¡å®‰è£…不当,操作有错误,½Ž¡å­è¢«æ±½ã€æ°´å¹åã€‚长期超负荷或低负荷˜qè¡ŒåQŒå¤§ç„¦å—掉落砸坏½Ž¡å­ã€ç®¡å£è¢«æ‰“焦‹‚ç£¨æŸæˆ–讑֤‡æœ¬èín存在¾~ºé™·ã€‚检修或安装æ—Óž¼Œ½Ž¡å­è¢«æ‚物堵塞,致ä‹Éæ°´åó@环不良造成½Ž¡å­˜q‡çƒ­æŸåã€?br /> 处理措施åQšç«‹å›_œç‚‰ï¼Œä¿ç•™ä¸€å°å¼•é£Žæœº¾l§ç®‹˜qè¡ŒåQŒæŽ’除炉内的烟气和蒸汽,待烟气、蒸汽消失后停止引风机。停炉后åQŒç«‹å›_…³é—­ä¸»æ±½é—¨åQŒå¯¾l§ç®‹˜q›æ°´ã€‚如损坏严重åQŒè‡´ä½‰K”…炉汽压迅速降低,¾l™æ°´æ¶ˆè€—过多,¾lå¢žåŠ ç»™æ°´ä»çœ‹ä¸åˆ°æ±½åŒ…就地水位计密切注意锅炉的给水压力等情况åQŒå½“故障炉和˜qè¡Œç‚‰ç”±åŒä¸€æ ¹ç»™æ°´æ¯½Ž¡ä¾›æ°ß_¼Œå¦‚不能保证运行炉的正常水位时åQŒåº”减少或停止故障炉的给水。如泄漏不太严重æ—Óž¼Œåº”改自动¾l™æ°´ä¸ºæ‰‹åŠ¨ç»™æ°ß_¼Œ¾låŠ å¼ÞZ¸Šæ°´å°šèƒ½ç»´æŒé”…炉正常水位时åQŒå‘班长和厂调度汇报åQŒè¦æ±‚适当降低负荷˜qè¡ŒåQˆæŠ•å…¥æÑa枪稳定燃烧)åQŒè¯·½Cºåœç‚‰æ—¶é—ß_¼Œòq¶ä¿æŒä½Ž¾_‰ä½˜qè¡ŒåQ›è¦æ±‚投入备用炉åQŒå¦‚备用炉迟˜qŸä¸èƒ½æŠ•å…¥è¿è¡Œï¼Œæ•…障锅炉的损坏情å†ëŠ‘ô¾l­åŠ å‰§æ—¶åQŒå“å£°å¢žå¤§ï¼Œæ¼æ°´å¢žå¤šå’Œå±åŠé‚»˜q‘管子等åQŒåˆ™™åȝ«‹å›_œç‚‰ã€‚若水冷壁爆破而造成½{‰ï¼Œåˆ™é¡»ç«‹å³åœç‚‰ã€‚若水冷壁爆破而造成锅炉灭火åQŒåº”按紧急停炉处理ã€?</p></div> <span style=" display:none;"><script type="text/javascript" src="/template/NEST60032/other/submit_ajax.ashx?action=view_article_click&id=187&click=1"></script></span> <div class="pagess"> <span>下一½‹‡ï¼š<a href="/supply/47.html">锅炉安装¾l´ä¿®æ”šw€?/a></span> <span>上一½‹‡ï¼š<a 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