normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none" align=center>
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">浙江江山虎球水泥廠2000 t/d生產(chǎn)線采用機(jī)械傳動(dòng)篦式冷卻機(jī)，分為兩段傳動(dòng)，設(shè)計(jì)有效冷卻面積為52.6m²，入料溫度為1370℃，出篦冷機(jī)熟料溫度為65℃+環(huán)境溫度。
1、存在問題
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">最近兩年，熟料冷卻效果差、熱回收效率低，造成煙室溫度高，二、三次風(fēng)溫低。二段來料溫度高，二段用的是圓孔篦板阻力較小，料層較厚（700~800mm），風(fēng)機(jī)的電流只能達(dá)到額定電流的50%左右（過大會(huì)造成窯頭正壓）。圓孔篦板漏料比較多，因此經(jīng)常下紅料，給二段傳動(dòng)、各風(fēng)室支撐梁以及破碎機(jī)軸承都帶來較大的負(fù)荷，篦冷機(jī)出料溫度達(dá)到150~200℃，篦冷機(jī)維修率高，嚴(yán)重影響了正常生產(chǎn)。近兩年篦冷機(jī)的故障主要有：二段傳動(dòng)軸斷停窯1次、破碎機(jī)軸承溫度過高停窯1次及高溫造成的其他故障停窯。
2、原因及技改分析
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">篦冷機(jī)共配10臺(tái)風(fēng)機(jī)，風(fēng)機(jī)分布情況見圖1篦下總共分為6個(gè)風(fēng)室，一室配置1臺(tái)平衡風(fēng)機(jī)和2臺(tái)斜沖風(fēng)機(jī)，一室有2臺(tái)充氣梁風(fēng)機(jī)，二、三室分別配備1臺(tái)風(fēng)機(jī)，二段四、五、六室分別配備1臺(tái)風(fēng)機(jī)。
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">經(jīng)初步分析認(rèn)為，篦冷機(jī)固定篦床供風(fēng)分區(qū)合理，一段高溫端風(fēng)量偏小，造成熱回收率偏低，因此對(duì)篦冷機(jī)固定篦床和一段及配風(fēng)進(jìn)行改造，考慮到重新配置風(fēng)機(jī)投資過大，在滿足工藝要求的情況下進(jìn)行了如下改造：
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">1）拆除原篦冷機(jī)前5排固定梁及空氣梁供風(fēng)管道，割去原來的固定梁支架；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">2）篦冷機(jī)前端采用合肥院KID系統(tǒng)及中心區(qū)脈動(dòng)供風(fēng)系統(tǒng)，增加熟料淬冷效果，提高二、三風(fēng)溫。KID系統(tǒng)有如下優(yōu)點(diǎn)：
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">①中心區(qū)獨(dú)立供風(fēng)，使出窯高溫熟料快速冷卻，提高了熟料的強(qiáng)度和易磨性；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">②永久的固定熟料層保護(hù)篦床，提高篦冷機(jī)的可靠性；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">③消除“堆雪人”現(xiàn)象，提高生產(chǎn)線的運(yùn)轉(zhuǎn)率；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">④減少熟料離析影響，熟料分布均勻；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">⑤提高二次和三次風(fēng)溫度，熱效率高。
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">3）將二室固定梁改為合肥院充氣梁結(jié)構(gòu)，利用原更換下來的風(fēng)機(jī)對(duì)其供風(fēng)；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">4）將二段的圓孔篦板全部更換為合肥院的NSCAG低漏料篦板；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">5）新增4臺(tái)風(fēng)機(jī)對(duì)KID系統(tǒng)、KID中心區(qū)、一室及二室供風(fēng)；
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">6）利用部分原有的風(fēng)機(jī)，調(diào)整壓頭或改變其供風(fēng)的位置，提高熟料的冷卻效果。
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none">
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>圖1：改造前風(fēng)機(jī)布置
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>圖2：改造后風(fēng)機(jī)布置
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>表1-改造前后篦冷機(jī)風(fēng)機(jī)參數(shù)對(duì)比
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normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>改 造 前 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>改 造 后 | ||||||
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>供風(fēng)區(qū)域 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>風(fēng)機(jī) normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>代號(hào) |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>風(fēng)壓Pa |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>風(fēng)量m3/h |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>供風(fēng)區(qū)域 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>風(fēng)機(jī) normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>代號(hào) |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>風(fēng)壓Pa |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>風(fēng)量m3/h |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>固定篦床 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1A |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10500 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9980 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>KID周邊區(qū) |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>FA |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>11149 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>15000 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>固定篦床 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1A |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10500 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9980 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>KID中心區(qū) |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>FB |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>12136 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>12000 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>一室充氣梁 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1充 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10840 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9144 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>一室充氣梁 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1充 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10840 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9144 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>一室充氣梁 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1充 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10840 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9144 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>一室充氣梁 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1充 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10840 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9144 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>二室充氣梁 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F2充 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10500 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9980 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center> |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>二室充氣梁 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F2充 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>10500 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9980 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第一風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>7875 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>8340 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第一風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F1 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9002 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>9942 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第二風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F2 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>6300 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>36480 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第二風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F2 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>8507 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>20227 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第三風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F3 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>5250 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>42480 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第三風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F3 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>6500 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>43082 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第四風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F4 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>3165 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>49336 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第四風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F4 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>3165 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>49336 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第五風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F5 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>2825 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>42480 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第五風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F5 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>2825 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>42480 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第六風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F6 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>2700 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>39000 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>第六風(fēng)室 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>F6 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>2700 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>39000 |
3、改造效果
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">整個(gè)改造過程約一個(gè)月時(shí)間，改造后經(jīng)過調(diào)試，篦冷機(jī)運(yùn)轉(zhuǎn)恢復(fù)正常，經(jīng)過3個(gè)月的考核，效果非常明顯。篦冷機(jī)完全適應(yīng)窯產(chǎn)量的變化，出料溫度降低；二次風(fēng)溫度和三次風(fēng)溫度有所提高；余風(fēng)溫度降低；篦板使用時(shí)間延長，篦板松動(dòng)現(xiàn)象很少出現(xiàn)，漏料問題得到解決；殼體和破碎機(jī)溫度恢復(fù)到正常水平，破碎機(jī)滾動(dòng)軸承壽命延長。改造前后篦冷機(jī)性能變化指標(biāo)見表2。
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>表2-改造前后篦冷機(jī)性能變化指標(biāo)
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>項(xiàng)目 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>改造前 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>改造后 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>產(chǎn)量t/d |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>2200 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>2200 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>入料口料層厚度mm |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>600~700 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>600~700 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>出料溫度℃ |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>150~200 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>100~130 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>二次風(fēng)溫度℃ |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>1000~1050 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>1050~1150 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>三次風(fēng)溫度℃ |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>750~850 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>850~950 |
|
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>故障率% |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>85~90 |
normal style="LAYOUT-GRID-MODE: char; TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; mso-layout-grid-align: none" align=center>>95 |
normal style="LAYOUT-GRID-MODE: char; MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: 200%; TEXT-INDENT: 21pt; mso-char-indent-count: 2.0; mso-layout-grid-align: none">實(shí)踐證明木次改造是成功的，設(shè)計(jì)方案是可行的。整個(gè)改造工程體現(xiàn)了投資小，周期知，效果好的特點(diǎn)。
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