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KOLLMORGEN GM02512021-7H伺服電機(jī)驅(qū)動(dòng)模塊現(xiàn)貨

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KOLLMORGEN GM02512021-7H伺服電機(jī)驅(qū)動(dòng)模塊現(xiàn)貨

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型號:GM02512021-7H
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KOLLMORGEN GM02512021-7H伺服電機(jī)驅(qū)動(dòng)模塊現(xiàn)貨 KOLLMORGEN GM02512021-7H伺服電機(jī)驅(qū)動(dòng)模塊現(xiàn)貨 KOLLMORGEN GM02512021-7H伺服電機(jī)驅(qū)動(dòng)模塊現(xiàn)貨 KOLLMORGEN GM02512021-7H伺服電機(jī)驅(qū)動(dòng)模塊現(xiàn)貨
垃圾由汽車運(yùn)到處理廠后倒入垃圾倉內(nèi)。垃圾新入倉的垃圾在倉內(nèi)存放3天后就可入爐燃燒。垃圾在倉內(nèi)存放時(shí)經(jīng)過發(fā)酵、排出滲濾水后可提高進(jìn)爐垃圾的熱值,又使垃圾容易著火燃燒。在倉內(nèi),用吊車的抓斗將垃圾送至爐前料斗。
2.一燃室及焚燒爐爐排結(jié)構(gòu)
垃圾焚燒爐為往復(fù)式、順推、多級機(jī)械爐排焚燒爐。焚燒爐內(nèi)有一個(gè)給料器和8個(gè)燃燒爐排單元組成,包括干燥段的兩級爐排、氣化燃燒段的四級爐排和燃盡段兩級爐排。焚燒爐內(nèi)溫度控制在700℃以內(nèi)。燃盡的垃圾從后一級爐排離開焚燒爐落入灰槽中。
1)給料器和防火門
給料器通過給料器(Loading Ram)將落入料斗的垃圾從防火門前推入燃燒室。給料器只負(fù)責(zé)給料,不提供燃燒空氣,并通過防火門與燃燒區(qū)隔離。防火門在給料器收回時(shí)保持關(guān)閉狀態(tài)。關(guān)閉防火門可使?fàn)t膛與外界隔開,維持爐內(nèi)負(fù)壓。同時(shí),燃燒室的入口處有溫度測點(diǎn),當(dāng)燃燒室入口的垃圾溫度過高時(shí),
電磁閥
將控制防火門后的噴霧器噴水以防止防火門打開時(shí)給料斜槽上的垃圾將料斗中的垃圾引燃。
2)燃燒爐排
八級燃燒爐排分為兩級干燥爐排、四級氣化燃燒爐排和兩級燃盡段爐排。每級爐排下面都有液壓驅(qū)動(dòng)的脈沖推動(dòng)裝置。8級推動(dòng)裝置(推床)按一定順序推動(dòng)垃圾,使進(jìn)入焚燒爐的垃圾依次被與各級爐排相配合的的推床推到下一級爐排上。爐排上有均勻分布的小孔,用于噴出燃燒所需一次風(fēng)。供燃的一次風(fēng)由爐排下的一次風(fēng)管供給。垃圾在爐排推送過程中受到燃燒器和爐內(nèi)的熱輻射以及一次風(fēng)的吹烘,水分迅速蒸發(fā),著火燃燒。3)燃燒器布置
一燃室有兩個(gè)主燃燒器,如圖二17,18所示。焚燒爐內(nèi)燃燒爐排上方有溫度測點(diǎn),當(dāng)焚燒爐啟爐時(shí)和燃燒溫度低于要求時(shí),燃燒器17投油助燃。燃燒器18位于爐膛出口,用于補(bǔ)燃未燃盡的垃圾。燃燒器所需的空氣由四臺(tái)焚燒爐公用的一臺(tái)燃燒風(fēng)機(jī)(如圖二7所示)提供,燃燒器燃燒所需空氣為由大氣吸入的潔凈空氣。當(dāng)燃燒風(fēng)機(jī)故障或供風(fēng)不足時(shí),由旁路(圖二 6所示)取送風(fēng)機(jī)的部分送風(fēng)供給燃燒器。
3.二燃室煙道
二燃室主要部分為圓筒形煙道,沒有管道等造成的煙氣死角。設(shè)置二燃室的目的是為了使煙氣在120~130%的理論空氣量下,1000℃左右的條件下停留>2s,使有害氣體在爐內(nèi)分解。在二燃室入口有副燃燒器,當(dāng)系統(tǒng)檢測到二燃室出口煙溫小于一定值時(shí)將點(diǎn)火補(bǔ)燃。二次風(fēng)在二燃室入口處進(jìn)入二燃室。二燃室有上下兩個(gè)出口通至余熱鍋爐,兩個(gè)出口前各有一個(gè)液壓驅(qū)動(dòng)的擋板控制煙氣的進(jìn)入。
4.一、二次風(fēng)系統(tǒng)
每臺(tái)焚燒爐都配有一臺(tái)送風(fēng)機(jī)。風(fēng)機(jī)從垃圾池吸入空氣,同時(shí)也吸入從一燃室推床下部泄露到焚燒爐外部的氣體。這樣安排送風(fēng)的來源是為了保證垃圾倉為微負(fù)壓狀態(tài),避免垃圾倉的氣體外泄。送風(fēng)進(jìn)入余熱鍋爐,經(jīng)余熱鍋爐的兩級空氣預(yù)熱器后進(jìn)入一個(gè)大混合集箱(如圖二21),然后分別作為一、二次風(fēng)進(jìn)入焚燒爐的一燃室、二燃室。集箱還可以接受從不經(jīng)過余熱鍋爐的送風(fēng)旁路返回的送風(fēng)。system to its own i/o scheme. The high anti vibration performance and anti impact performance also improve users' love for BL67 series products to some extent. A B B crane system is one of the leading suppliers of gantry crane technology. As part of a major project, AB B recently provided automation systems and electrical equipment for more than 100 ship shore cranes, which are mainly used to improve the productivity of countless Asian ports. The functional test and final assembly were completed in Shanghai Zhenhua Port Machinery Company (ZPMC), China, which is the world's largest crane manufacturer. By the end of 2008, a B B had supplied 29 automatic rail mounted gantry cranes (a r m g), two rail mounted gantry cranes (r m g) and seven ship shore cranes for the South Korean port of Busan alone. Other projects include the provision of 20 unmanned rail mounted container gantry cranes for Taipei Port Container Terminal Co., Ltd. in Taiwan, and 42 similar cranes and 12 ship shore cranes with double lifting systems for h a n j i n shipping company. These equipment will be supplied to b u s a n Xingang in South Korea.
Safe and reliable
A B B crane is synonymous with safety and reliability. Of course, there is no doubt that the project manager will be very careful when selecting equipment components. After all, only when each part can work reliably can the reliability of the whole system function be guaranteed.