jws濾筒式除塵器技術(shù)說(shuō)明書(shū)

PAGE6JWST濾筒式除塵器技術(shù)說(shuō)明書(shū)沈陽(yáng)津沃技術(shù)發(fā)展有限責(zé)任公司JWST濾筒式除塵器一、概述JWST系列濾筒式除塵器是沈陽(yáng)津沃技術(shù)發(fā)展有限責(zé)任公司研制開(kāi)發(fā)的成熟產(chǎn)品，該產(chǎn)品主要有如下特點(diǎn)：1、采用垂直式濾筒結(jié)構(gòu)，便于粉塵吸附及清灰；且由于在清灰時(shí)濾料的抖動(dòng)較小，使濾筒的壽命大大高于濾袋，維修費(fèi)用低。2、采用目前國(guó)際上先進(jìn)的離線三狀態(tài)（過(guò)濾、清灰、靜止）清灰方式，避免了清灰時(shí)的“再吸附”現(xiàn)象，使清灰徹底可靠。3、設(shè)計(jì)有預(yù)收塵機(jī)構(gòu)，不但克服了粉塵直接沖刷容易磨損濾筒的缺點(diǎn)，而且可以大大提高除塵器入口處的粉塵濃度。4、對(duì)影響主要性能的關(guān)鍵元件（如脈沖閥）采用進(jìn)口件，其易損件膜片的使用壽命超過(guò)100萬(wàn)次。5、采用分列噴吹清灰技術(shù)，一個(gè)脈沖閥可同時(shí)噴吹一列（每列濾筒數(shù)量最多為12個(gè)），可大大地減少脈沖閥的數(shù)量。6、脈沖閥三狀態(tài)清灰機(jī)構(gòu)采用PLC自動(dòng)控制，并兼有定時(shí)或手動(dòng)二種控制方式任選。7、可根據(jù)安裝空間的需要采用不同列數(shù)、行數(shù)的濾筒任意組合；單位過(guò)濾面積占用的三維空間小，可替用戶節(jié)約大量空間資源，間接減少用戶的一次性投資成本。8、使用壽命長(zhǎng)，濾筒的使用壽命可達(dá)2～3年，大大地減少了除塵器更換濾芯的次數(shù)（傳統(tǒng)布袋除塵器平均每6個(gè)月左右更換一次濾芯），維護(hù)簡(jiǎn)單，大大降低了用戶在使用過(guò)程中的維護(hù)成本。9、該產(chǎn)品廣泛適用于鋼鐵冶金、有色冶煉、建筑水泥、機(jī)械鑄造、糧食輕工、日用化工、煙草、倉(cāng)儲(chǔ)碼頭、工業(yè)電站鍋爐、供熱鍋爐以及城市垃圾焚燒等行業(yè)的工業(yè)性粉塵的凈化和治理。二、設(shè)備構(gòu)造及工作原理1、構(gòu)造本除塵器由上箱體、灰斗、梯子平臺(tái)、支架、脈沖清灰和排灰裝置六部分組成。2、工作原理本設(shè)備在系統(tǒng)主風(fēng)機(jī)的作用下，含塵氣體從除塵器下部的進(jìn)風(fēng)口進(jìn)入除塵器底部的氣箱內(nèi)進(jìn)行含塵氣體的預(yù)處理，然后從底部進(jìn)入到上箱體的各除塵室內(nèi)；粉塵吸附在濾筒的外表面上，過(guò)濾后的干凈氣體透過(guò)濾筒進(jìn)入上箱體的凈氣腔并匯集至出風(fēng)口排出。隨著過(guò)濾工況持續(xù)，積聚在濾筒外表面上的粉塵將越積越多，相應(yīng)就會(huì)增加設(shè)備的運(yùn)行阻力，為了保證系統(tǒng)的正常運(yùn)行，除塵器阻力的上限應(yīng)維持在1400～1600Pa范圍內(nèi)，當(dāng)超過(guò)此限定范圍，應(yīng)由PLC脈沖自動(dòng)控制器通過(guò)定阻或定時(shí)發(fā)出指令，進(jìn)行三狀態(tài)清灰。該濾筒式除塵器的清灰過(guò)程是先切斷某一室的凈氣出口通道，使該室處于氣流靜止?fàn)顟B(tài)，然后進(jìn)行壓縮空氣脈沖反吹清灰，清灰后再經(jīng)若干秒鐘時(shí)間的自然沉降后，再打開(kāi)該室的凈氣出口通道，不但清灰徹底、還避免了噴吹清灰產(chǎn)生的粉塵二次吸附，如此逐室循環(huán)清灰。三、除塵器的選型1、過(guò)濾風(fēng)速的確定過(guò)濾風(fēng)速是除塵器選型的關(guān)鍵參數(shù)之一，應(yīng)根據(jù)不同應(yīng)用場(chǎng)合的粉塵或煙塵的性質(zhì)、粒度、溫度、濃度等因素來(lái)綜合考慮確定，一般入口含塵濃度在5～15g/m3，過(guò)濾風(fēng)速不應(yīng)大于0.8～1.2m/min;入口含塵濃度在≤5g/m3，過(guò)濾風(fēng)速不應(yīng)大于1.5～2m/min。總之在選擇過(guò)濾風(fēng)速時(shí)，為降低設(shè)備阻力，一般過(guò)濾風(fēng)速不宜選擇太大。2、過(guò)濾材料JWST濾筒式除塵器采用PS或PSU高分子涂層纖維濾料，當(dāng)過(guò)濾氣體為常溫或低于100℃時(shí)，一般采用PS高分子涂層纖維濾料，如用于高溫場(chǎng)合時(shí)則應(yīng)采用PSU高分子涂層纖維濾料，如用于有特殊要求場(chǎng)合時(shí)，須在定貨前說(shuō)明，另行選擇濾料。3、排灰形式JWST系列濾筒式除塵器均采用螺旋輸送機(jī)排灰（1-5列的除塵器采用星形排料器排灰）。四、型號(hào)說(shuō)明JWSTa/bS-c過(guò)濾面積S：雙筒（單筒不標(biāo)注）濾筒行數(shù)濾筒列數(shù)豎置濾筒式除塵器示例：（1）JWST5/4–240型表示5列4行過(guò)濾面積為240m2的豎置濾筒式除塵器。（2）JWST6/4S-576型表示6列4行過(guò)濾面積為576m2的雙筒豎置濾筒式除塵器。2、說(shuō)明：設(shè)備的安裝形式包括進(jìn)、出風(fēng)口的方向位置、爬梯的位置等均可按用戶要求生產(chǎn)供貨（請(qǐng)?jiān)诙ㄘ洉r(shí)說(shuō)明），如無(wú)要求本公司將按說(shuō)明書(shū)中的安裝型式生產(chǎn)供貨。五、安裝及調(diào)整1、設(shè)備的運(yùn)輸按鐵路運(yùn)輸規(guī)定，將根據(jù)規(guī)格大小確定整機(jī)發(fā)運(yùn)或分體（分段）發(fā)運(yùn)，收到設(shè)備后先按設(shè)備清單檢查設(shè)備是否缺件，同時(shí)檢查有無(wú)運(yùn)輸中造成的損壞情況，如有損壞應(yīng)及時(shí)進(jìn)行整修，保證設(shè)備性能完好，并做好易損易竊等設(shè)備（部件）的保管、保養(yǎng)工作。2、對(duì)排灰裝置進(jìn)行專門檢查，轉(zhuǎn)動(dòng)或滑動(dòng)部分要涂上潤(rùn)滑脂，減速機(jī)要注入潤(rùn)滑油，使機(jī)件正常動(dòng)作。3、安裝設(shè)備自下而上，首先找平地腳基礎(chǔ)后，把下部的支架安裝妥當(dāng)后，再吊裝箱體、灰斗，最后安裝排灰裝置及配管、配線。4、安裝壓縮空氣管路時(shí)，管道內(nèi)要除去污物，防止堵塞，安裝后要試壓。5、按PLC清灰控制器使用說(shuō)明書(shū)安裝控制線路，經(jīng)調(diào)試后再進(jìn)行整機(jī)試車。6、如屬大件散運(yùn)，在出廠時(shí)將另附有關(guān)安裝圖紙及說(shuō)明。六、維護(hù)和檢修1、除塵器要有專人操作和檢修，全面掌握除塵器的性能和構(gòu)造，發(fā)現(xiàn)問(wèn)題及時(shí)處理，確保系統(tǒng)正常運(yùn)行。2、傳動(dòng)部位定期注油。3、發(fā)現(xiàn)排灰口冒灰，表明已有濾筒破漏，應(yīng)及時(shí)檢修、更換。4、除塵器的阻力一般為1400～1600Pa，清灰周期可根據(jù)阻力情況進(jìn)行適當(dāng)調(diào)整。5、壓縮空氣系統(tǒng)的過(guò)濾器及氣包最低點(diǎn)的排污閥要定期排污（每月一次）。6、控制閥要有專人檢修，定期對(duì)電磁閥和脈沖閥進(jìn)行檢查（每月一次）。電磁閥的檢測(cè)通過(guò)氣缸動(dòng)作是否正常來(lái)判斷，脈沖閥的檢測(cè)通過(guò)氣包上壓力表的數(shù)值變化來(lái)判斷。7、脈沖閥用氣總管雜質(zhì)需定期排雜質(zhì)（每月一次）。七、定貨須知1、定貨時(shí)請(qǐng)寫(xiě)明產(chǎn)品型號(hào)、規(guī)格及安裝形式。2、支架高度可按定貨方要求制作（定貨說(shuō)明）。3、本除塵器配備的清灰電氣控制裝置一般按定時(shí)控制，如用戶要求其他控制方式時(shí)，必須在定貨時(shí)書(shū)面說(shuō)明（費(fèi)用另計(jì)）。4、本產(chǎn)品的卸灰裝置供配電由用戶自行設(shè)計(jì)，亦可委托本公司配套自動(dòng)控制柜，實(shí)現(xiàn)對(duì)濾筒脈沖清灰、卸灰及主風(fēng)機(jī)開(kāi)、停的全自動(dòng)控制。八、安裝形式示意圖JWST系列豎筒式除塵器的安裝形式如下圖所示：6PAGEPAGE22JWST除塵器器選用規(guī)格格表型號(hào)列數(shù)行數(shù)濾筒數(shù)過(guò)濾面積m2處理風(fēng)量m3//h壓縮空氣耗量mm3/minn壓縮空氣壓力MMPa外形尺寸下料機(jī)構(gòu)重量 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