羅茨風(fēng)機(jī)由于是高速運(yùn)轉(zhuǎn)的機(jī)器，所以會(huì)產(chǎn)生震動(dòng)，又由于其內(nèi)部空氣的脈動(dòng)左右，也加大了羅茨風(fēng)機(jī)的震動(dòng)，所以羅茨風(fēng)機(jī)的安裝時(shí)需要固定在地面上的。根據(jù)風(fēng)機(jī)型號(hào)不同，在地面按風(fēng)機(jī)尺寸在對(duì)應(yīng)的位置挖150*150mm見(jiàn)方300mm深的方坑，并埋入地腳螺栓，然后通過(guò)螺栓，螺母把風(fēng)機(jī)連接起來(lái)，**在方坑中填滿(mǎn)水泥混凝土，等混凝土固定之后，再用力把螺母擰緊，是風(fēng)機(jī)底座和混凝土牢牢連接在一起，這樣就可以減小羅茨風(fēng)機(jī)在運(yùn)轉(zhuǎn)中的震動(dòng)位移，提高了設(shè)備的運(yùn)行安全性，并且由于減小了震動(dòng)，從而也大大延長(zhǎng)了風(fēng)機(jī)的使用壽命。

　　1、電源線(xiàn)安裝問(wèn)題

　　在給羅茨風(fēng)機(jī)接線(xiàn)時(shí)，應(yīng)當(dāng)符合風(fēng)機(jī)的額定工作電壓，使用的是380V的電壓，不得接成220V的工作電壓。電線(xiàn)也不得接反，接反之后，風(fēng)機(jī)就會(huì)出現(xiàn)反轉(zhuǎn)的情況，如果在試運(yùn)行時(shí)風(fēng)機(jī)轉(zhuǎn)向不對(duì)，一定進(jìn)行排查，如果排查不出來(lái)，接裝上管道之后，設(shè)備就會(huì)短時(shí)間內(nèi)出現(xiàn)損壞。如：我們?cè)幸晃豢蛻?hù)就是因?yàn)殡娋€(xiàn)接反，試運(yùn)行沒(méi)有檢測(cè)出來(lái)，導(dǎo)致風(fēng)機(jī)在運(yùn)行了10分鐘左右就出現(xiàn)了嚴(yán)重的損壞。

　　2、安裝平臺(tái)問(wèn)題

　　一般來(lái)說(shuō)，羅茨風(fēng)機(jī)應(yīng)當(dāng)安裝于高于地面之上的平臺(tái)上，但是需要根據(jù)實(shí)際情況而定，有些小型號(hào)的羅茨風(fēng)機(jī)不需要進(jìn)行固定，而有些型號(hào)的羅茨風(fēng)機(jī)必須進(jìn)行加裝固定，置于室內(nèi)的羅茨風(fēng)機(jī)，我們建議根據(jù)實(shí)際情況安裝，可安裝在平臺(tái)上面也可以安裝在地面上面。而置于外界的羅茨風(fēng)機(jī)，我們建議安裝于平臺(tái)上面，安置于平臺(tái)上能有效的避免一些外界侵蝕。

　　3、安裝時(shí)的海拔問(wèn)題

　　如果我們有兩處分廠(chǎng)，兩處的海拔懸殊較大，則兩者之間的羅茨風(fēng)機(jī)不得進(jìn)行互換使用，海拔不同，同一型號(hào)的羅茨風(fēng)機(jī)不能互相替用。在羅茨風(fēng)機(jī)選型的時(shí)候，我們也需要根據(jù)海拔來(lái)確定羅茨風(fēng)機(jī)的型號(hào)，確保能夠正常使用。

　　4、安裝時(shí)的開(kāi)關(guān)問(wèn)題

　　一般來(lái)說(shuō)，開(kāi)關(guān)不得遠(yuǎn)離設(shè)備，設(shè)備遠(yuǎn)離我們之后，一旦出現(xiàn)故障，控制起來(lái)不方便，故障時(shí)間延長(zhǎng)越久，設(shè)備損壞越大。

　　5、安裝時(shí)的氣流問(wèn)題

　　我們?cè)诎惭b羅茨風(fēng)機(jī)時(shí)，周邊環(huán)境**不要有強(qiáng)風(fēng)，不管是逆風(fēng)還是順風(fēng)，都會(huì)影響到設(shè)備的吸排氣效果，所以，控制好風(fēng)機(jī)周邊的氣流循環(huán)能夠有效的延長(zhǎng)羅茨風(fēng)機(jī)的使用壽命。

　　羅茨風(fēng)機(jī)安裝：

　　羅茨風(fēng)機(jī)在出廠(chǎng)前是安裝好，只需要將進(jìn)口消音器與入口相連，出口消音器與出口相連，再將出口消音器與管道相連即可。下面說(shuō)說(shuō)安裝注意事項(xiàng)：

　　1、羅茨風(fēng)機(jī)應(yīng)安裝在地面結(jié)實(shí)堅(jiān)固的場(chǎng)所，周?chē)鷳?yīng)留有充分的余地，便于檢查、維護(hù)、保養(yǎng)。

　　2、羅茨風(fēng)機(jī)底座下應(yīng)保持地基水平，底座四角處建議墊減震橡皮或用螺栓澆制安裝，確保羅茨風(fēng)機(jī)運(yùn)轉(zhuǎn)平穩(wěn)，振動(dòng)小。

　　3、羅茨風(fēng)機(jī)與系統(tǒng)的連接管道應(yīng)密封可靠，對(duì)小真空泵可采用金屬管路連接密封墊采用耐油橡膠，對(duì)小羅茨風(fēng)機(jī)可采用真空膠管連接，管道管徑不得小于羅茨風(fēng)機(jī)吸氣口徑，且要求管路短而少?gòu)濐^。(焊接管路時(shí)應(yīng)清除管道中焊渣，嚴(yán)禁焊渣進(jìn)入真空泵腔。)

　　4、在連接管路中，用戶(hù)可在羅茨風(fēng)機(jī)進(jìn)氣口上方安裝閥門(mén)及真空計(jì)，隨時(shí)可檢查羅茨風(fēng)機(jī)的極限壓力。

　　5、按電動(dòng)機(jī)標(biāo)牌規(guī)定連接電源，并接地線(xiàn)和安裝合適規(guī)格的熔斷器及熱繼電器。

　　6、羅茨風(fēng)機(jī)通電試運(yùn)轉(zhuǎn)時(shí)，須取下電機(jī)皮帶，確認(rèn)真空泵轉(zhuǎn)向符合規(guī)定方向方可投入使用，以羅茨風(fēng)機(jī)反轉(zhuǎn)噴油。(轉(zhuǎn)向按防護(hù)罩指示方向)

　　7、對(duì)于有冷卻水的羅茨風(fēng)機(jī)，按規(guī)定接通冷卻水。

　　8、如羅茨風(fēng)機(jī)口安裝電磁閥時(shí)，閥與羅茨風(fēng)機(jī)應(yīng)同時(shí)動(dòng)作。

　　9、當(dāng)羅茨風(fēng)機(jī)排出氣體影響工作環(huán)境時(shí)，可在排氣口裝接管道引離或裝接油霧過(guò)濾器。

　　羅茨風(fēng)機(jī)的調(diào)試：

　　羅茨風(fēng)機(jī)調(diào)試分：點(diǎn)動(dòng)調(diào)試、空載運(yùn)行調(diào)試，全壓調(diào)試，全系統(tǒng)調(diào)試。

　　1、點(diǎn)動(dòng)調(diào)試是指在現(xiàn)場(chǎng)，將風(fēng)機(jī)與系統(tǒng)完全脫離，斷開(kāi)風(fēng)機(jī)的進(jìn)出風(fēng)口管道連接。手動(dòng)盤(pán)車(chē)，確認(rèn)機(jī)體內(nèi)部沒(méi)有卡頓后，啟動(dòng)風(fēng)機(jī)，隨后立即關(guān)閉，然后觀察風(fēng)機(jī)的旋轉(zhuǎn)方向與機(jī)體標(biāo)注的旋轉(zhuǎn)方向是否相同，如果不同，對(duì)于三相電機(jī)，交換任意兩相的電纜，重新連接即可。因?yàn)榱_茨風(fēng)機(jī)的結(jié)構(gòu)，是不能反轉(zhuǎn)的。

　　2、空載運(yùn)行調(diào)試，是指在繼承上一步驟，確認(rèn)風(fēng)機(jī)旋轉(zhuǎn)方向正確的前提下，啟動(dòng)風(fēng)機(jī)，連續(xù)運(yùn)行半小時(shí)，觀察風(fēng)機(jī)的運(yùn)行是否穩(wěn)定，有無(wú)異常噪音、震動(dòng)。

　　3、全壓測(cè)試，是指在風(fēng)機(jī)出口安裝一閥門(mén)(為避免噪聲，當(dāng)在閥門(mén)后連接一消音器)，啟動(dòng)風(fēng)機(jī)后，通過(guò)逐步關(guān)閉閥門(mén)，對(duì)風(fēng)機(jī)施加模擬負(fù)載，直至風(fēng)機(jī)壓力達(dá)到銘牌所示的壓力，隨后連續(xù)運(yùn)行2小時(shí)左右，確保風(fēng)機(jī)是否沒(méi)有異響，溫度穩(wěn)定(風(fēng)機(jī)加壓后溫度逐步上升，一般短則半小時(shí)，長(zhǎng)則2小時(shí)，溫度趨于穩(wěn)定停止上升，如繼續(xù)上升，多半存在問(wèn)題)，以及風(fēng)機(jī)電流在銘牌所示范圍之內(nèi)。

　　4、全系統(tǒng)測(cè)試，是指將風(fēng)機(jī)接入工作系統(tǒng)內(nèi)，開(kāi)始試運(yùn)行，試運(yùn)行當(dāng)維持半小時(shí)以上。由于設(shè)計(jì)一般放有設(shè)計(jì)余量，故風(fēng)機(jī)接入系統(tǒng)后，實(shí)際運(yùn)行之壓力電流，都應(yīng)當(dāng)?shù)陀阢懪扑緣毫?，如出現(xiàn)超載工況則往往意味著選型失當(dāng)，需要嚴(yán)格排查分析問(wèn)題。

　　三葉羅茨風(fēng)機(jī)如何組裝?針對(duì)“組裝”的問(wèn)題，我們首先要了解組裝的內(nèi)容，三葉羅茨風(fēng)機(jī)出廠(chǎng)前的組裝有兩部分內(nèi)容，一分部是機(jī)頭的組裝，一部分是整機(jī)的組裝，這些是出廠(chǎng)前的組裝;經(jīng)過(guò)簡(jiǎn)單的組裝之后，便可以進(jìn)行發(fā)貨了，終端客戶(hù)在拿到三葉羅茨風(fēng)機(jī)之后，還會(huì)對(duì)羅茨風(fēng)機(jī)進(jìn)行管道與風(fēng)機(jī)的連接。

　　下面針對(duì)風(fēng)機(jī)出廠(chǎng)前的風(fēng)機(jī)組裝進(jìn)行詳細(xì)的描述：羅茨鼓風(fēng)機(jī)安裝的時(shí)候需要注意什么問(wèn)題?

　　1、機(jī)頭安裝

　　風(fēng)機(jī)的機(jī)頭為組裝好的，將組裝好的風(fēng)機(jī)機(jī)頭安裝在底座的一側(cè)，然后使用螺栓進(jìn)行緊固;

　　2、電機(jī)安裝

　　電機(jī)安裝在底座的另一側(cè)，安裝上去之后，對(duì)螺栓稍加緊固，不要立即緊固鎖死;

　　3、皮帶輪安裝

　　皮帶輪有兩部分，一個(gè)安裝在機(jī)頭一側(cè)，一個(gè)安裝在電機(jī)一側(cè)，使用專(zhuān)業(yè)設(shè)備，對(duì)皮帶輪進(jìn)行調(diào)整，調(diào)整到在同一水平面上;

　　4、皮帶安裝

　　安裝好皮帶輪之后，然后安裝皮帶;羅茨風(fēng)機(jī)齒輪安裝之后轉(zhuǎn)不動(dòng)是什么原因?

　　5、緊固螺栓

　　緊固電機(jī)的螺栓，同時(shí)調(diào)整羅茨風(fēng)機(jī)皮帶的松緊度，調(diào)整好之后，然后進(jìn)行螺栓鎖死緊固;

　　6、安裝皮帶保護(hù)罩

　　上面的安裝完成之后，將皮帶保護(hù)罩安裝在底座上面，緊固螺栓即可;

　　7、安裝壓力表安全閥

　　一般廠(chǎng)家為了保證壓力表安全閥不被損壞，可能不會(huì)為我們安裝，有的廠(chǎng)家可能會(huì)對(duì)此進(jìn)行安裝;羅茨風(fēng)機(jī)進(jìn)出口消音器安裝使用需要注意的10個(gè)步驟!

　　以上便是三葉羅茨風(fēng)機(jī)在出廠(chǎng)之前的安裝事項(xiàng)，羅茨風(fēng)機(jī)在終端客戶(hù)的安裝事項(xiàng)，如果您想了解這些知識(shí)可以點(diǎn)擊這里如果您想采購(gòu)羅茨風(fēng)機(jī)，可以聯(lián)系我們的官方客服熱線(xiàn)。

　　三葉羅茨風(fēng)機(jī)的組裝注意事項(xiàng)和步驟：

　　1.組裝中的注意事項(xiàng)

　　(1)檢查被拆卸的零件有無(wú)損傷情況，應(yīng)特別注意檢查配合部位，若發(fā)現(xiàn)損傷時(shí)，應(yīng)進(jìn)行修復(fù)或更換。

　　(2)軸承應(yīng)清洗干凈，再涂上潤(rùn)滑油，在安裝軸承時(shí)，工具、手等都應(yīng)清洗干凈。

　　(3)將配合部位的灰塵清除，然后涂上油。

　　(4)密封墊如有破損或失落時(shí)，則應(yīng)更換相同厚度、材質(zhì)的墊片。

　　2.組裝步驟

　　(1)將驅(qū)動(dòng)側(cè)的墻板(前墻板)安裝到機(jī)殼上。

　　(2)將葉輪部由齒輪端裝入機(jī)殼內(nèi)。

　　(3)將齒輪端墻板安裝到機(jī)殼上，注意軸向總間隙，不夠時(shí)可選配機(jī)殼密封墊。

　　(4)組裝前后軸承。組裝前軸承時(shí)，軸承箱內(nèi)應(yīng)填充1/2-1/3軸承空間的潤(rùn)滑脂。

　　(5)組裝齒輪。

　　(6)將驅(qū)動(dòng)側(cè)軸承和鎖緊螺母一同裝上，裝上軸承壓蓋。

　　(7)調(diào)整間隙，打入定位銷(xiāo)。

　　(8)裝皮帶輪及其他部件。

　　快速降低三葉羅茨風(fēng)機(jī)軸承溫度的方法：

　　三葉羅茨鼓風(fēng)機(jī)的軸承溫度也會(huì)受到外界環(huán)境影響，冬季時(shí)室溫較低，三葉羅茨鼓風(fēng)機(jī)運(yùn)行狀況良好(室溫5℃時(shí)，三葉羅茨鼓風(fēng)機(jī)前軸承在80℃左右)，而到了夏季，當(dāng)室溫達(dá)到30℃以上時(shí)，三葉羅茨鼓風(fēng)機(jī)前軸承隨著室溫上升超過(guò)設(shè)定跳閘溫度。為避免跳閘，機(jī)組人員在機(jī)殼上加裝噴淋水降溫作為應(yīng)急處理方法，但運(yùn)行中衛(wèi)生狀況較差，現(xiàn)在推薦幾種簡(jiǎn)單快速的方法。

　　1.簡(jiǎn)單符合實(shí)際的就是在風(fēng)機(jī)外部加裝遮陽(yáng)板，這是降溫的直接方法之一。

　　2.如果軸流風(fēng)機(jī)、耐磨風(fēng)機(jī)等風(fēng)機(jī)溫度升過(guò)高，很可能是風(fēng)機(jī)開(kāi)車(chē)時(shí)進(jìn)、出氣管道閘門(mén)未關(guān)造成的。解決辦法：關(guān)閉進(jìn)、出氣管道閘門(mén)就行了。

　　3.另外由于箱體劇烈振動(dòng)造成的，軸與滾動(dòng)軸承安裝歪斜、前后兩軸承不同心，風(fēng)機(jī)滾動(dòng)軸承損壞或軸彎曲，都是影響風(fēng)機(jī)軸承溫度的因素之一，解決方法：及時(shí)更滑潤(rùn)滑油減少摩擦系數(shù)。

　　4.電機(jī)皮帶過(guò)松，在這里應(yīng)注意及時(shí)更換電機(jī)皮帶，調(diào)整好皮帶輪的位置使其受力均勻。

　　以上就是三葉羅茨風(fēng)機(jī)組裝注意事項(xiàng)和步驟和快速降低軸承溫度方法。

　　羅茨風(fēng)機(jī)的組裝順序：

　　羅茨風(fēng)機(jī)借助與兩葉輪的嚙合，將進(jìn)氣口和出氣口相互隔開(kāi)，過(guò)程中無(wú)內(nèi)壓地將氣缸容積內(nèi)的氣體從進(jìn)氣口推移到出氣口，以達(dá)到強(qiáng)制排氣的目的。羅茨風(fēng)機(jī)在使用之前都要先進(jìn)行組裝，這樣才能保證它的正常運(yùn)行。

　　1.將機(jī)殼吊到工作臺(tái)上、吹洗、修毛刺。

　　2.將驅(qū)動(dòng)端的墻板安裝在機(jī)殼上。

　　3.將轉(zhuǎn)子從另一端推入機(jī)殼中。

　　4.組裝齒輪端側(cè)墻板;并保證軸向總間隙，總間隙不夠可選配機(jī)殼密封墊。

　　5.組裝兩側(cè)軸承座、軸承。決定葉輪軸向分配間隙。

　　6.組裝齒輪部分，甩油盤(pán)。注意按打上的標(biāo)記校對(duì)。齒輪的錐面不許涂油，應(yīng)清洗干凈。

　　7.組裝齒輪箱。

　　羅茨風(fēng)機(jī)如何安全運(yùn)行：

　　1.檢查羅茨風(fēng)機(jī)各部分的緊固性，以及定位銷(xiāo)是否出現(xiàn)松動(dòng)現(xiàn)象。如果松動(dòng)，則必須將其緊固。

　　2.風(fēng)機(jī)體內(nèi)不應(yīng)有水垢、銹蝕和剝落現(xiàn)象。防止出現(xiàn)滲漏現(xiàn)象。

　　3.拆卸機(jī)器時(shí)，請(qǐng)測(cè)量機(jī)器的匹配尺寸，進(jìn)行記錄并標(biāo)記和引導(dǎo)零件，以確保組裝并保持原始的匹配要求。

　　4.有時(shí)無(wú)法立即顯示羅茨風(fēng)機(jī)的過(guò)載情況，因此請(qǐng)注意進(jìn)氣和排氣壓力，軸承溫度和發(fā)動(dòng)機(jī)功率的變化，以確定機(jī)器是否正常運(yùn)行。

　　5.在正常情況下，必須將設(shè)備運(yùn)行1000小時(shí)更換潤(rùn)滑油。注意潤(rùn)滑油的潤(rùn)滑是否正常。注意潤(rùn)滑油的質(zhì)量。常聽(tīng)羅茨風(fēng)機(jī)的運(yùn)行情況，無(wú)論有無(wú)噪音。注意設(shè)備是否在指定的工作條件下運(yùn)行。

　　6.新機(jī)器或改型的羅茨風(fēng)機(jī)將根據(jù)使用程序投入運(yùn)行。建議在運(yùn)行8小時(shí)后更換所有潤(rùn)滑油。日常維護(hù)很重要，在使用之前必須修復(fù)故障。

　　必須在操作之前熟讀說(shuō)明書(shū)，保證工作人員把握了設(shè)備的有用使用方法。羅茨風(fēng)機(jī)才能進(jìn)行正確的運(yùn)轉(zhuǎn)。

　　羅茨風(fēng)機(jī)壓力降低具體措施：

　　1.風(fēng)量偏小

　　風(fēng)量偏小和羅茨風(fēng)機(jī)的間隙也很大的原因，間隙增大，內(nèi)泄漏嚴(yán)重，就會(huì)產(chǎn)生風(fēng)量減小的情況。同樣道理，在輸送氣體的過(guò)程中，如果管道出現(xiàn)泄漏，也會(huì)產(chǎn)生風(fēng)量減小的表象。風(fēng)量偏小還有可能是因?yàn)楣艿雷枞穑艿雷枞ǔＥc高壓、溫度高并發(fā)，為防止管道阻塞的情況，定期檢查羅茨風(fēng)機(jī)的是非常有必要的。

　　2.噪音增大的原因

　　羅茨風(fēng)機(jī)使用的時(shí)間過(guò)長(zhǎng)，整體緊湊性下降，螺栓松動(dòng)、消音器老化、各個(gè)零配件之間間隙誤差增大，造成羅茨風(fēng)機(jī)的噪音越來(lái)越大。

　　3.壓力降低

　　羅茨風(fēng)機(jī)壓力降低的主要原因?yàn)椋洪g隙增大，葉輪與葉輪之間、葉輪與墻板之間、葉輪與機(jī)殼之間間隙增大，羅茨風(fēng)機(jī)為強(qiáng)制性氣體輸送設(shè)備，羅茨風(fēng)機(jī)所呈現(xiàn)的壓力為前方阻力，也就是我們常說(shuō)的背壓。間隙的增大會(huì)導(dǎo)致氣體回流嚴(yán)重(內(nèi)泄漏增大)，造成所負(fù)壓降低，產(chǎn)生壓力降低的表象。壓力降低的其他原因：密封性降低，不管是羅茨風(fēng)機(jī)還是管道，如果存在有氣體泄漏的情況，都會(huì)影響到羅茨風(fēng)機(jī)的壓力值，泄漏嚴(yán)重，壓力自然達(dá)不到額定標(biāo)準(zhǔn)。

　　Roots blower is a high-speed machine, so it will produce vibration, and because of the pulsation of its internal air, it also increases the vibration of Roots blower, so roots blower needs to be fixed on the ground during installation. According to different fan models, excavate a 150*150mm square 300mm deep square pit on the ground according to the size of the fan, and bury the anchor bolts, then connect the fan through bolts and nuts, and finally fill the square pit with cement concrete. After the concrete is fixed, tighten the nuts with force, so that the fan base and concrete are firmly connected together, so as to reduce the vibration displacement of Roots fan during operation, The operation safety of the equipment is improved, and the service life of the fan is greatly prolonged due to the reduction of vibration.

　　Installation skills and adjustment of Roots blower

　　1. Power cord installation problem

　　When wiring roots blower, it should conform to the rated working voltage of the blower. The voltage used is 380V, and it should not be connected to 220V working voltage. The wires shall not be connected reversely. After being connected reversely, the fan will reverse. If the fan turns incorrectly during the test run, it must be checked. If the check fails, the equipment will be damaged in a short time after the pipes are connected. For example, we once had a customer who failed to detect the test run because the wires were connected reversely, resulting in serious damage to the fan after running for about 10 minutes.

　　2. Installation platform problems

　　Generally speaking, roots fans should be installed on the platform above the ground, but it needs to be determined according to the actual situation. Some small models of roots fans do not need to be fixed, while some models of roots fans must be installed and fixed. Roots fans placed indoors are recommended to be installed according to the actual situation, which can be installed on the platform or on the ground. As for the roots blower placed outside, we suggest to install it on the platform, which can effectively avoid some external erosion.

　　3. Altitude during installation

　　If we have two disposal plants, and the altitude difference between the two places is large, the roots fans between them shall not be used interchangeably. Because the altitude is different, the roots fans of the same model cannot be used interchangeably. When selecting roots blower, we also need to determine the model of Roots blower according to altitude to ensure normal use.

　　4. Switch problems during installation

　　Generally speaking, the switch should not be far away from the equipment. Once the equipment is far away from us, it is inconvenient to control it in case of failure. The longer the failure time is extended, the greater the damage of the equipment is.

　　5. Air flow problems during installation

　　When installing roots blower, it's best not to have strong wind in the surrounding environment. Whether it's upwind or downwind, it will affect the suction and exhaust effect of the equipment. Therefore, controlling the air circulation around the blower can effectively prolong the service life of Roots blower.

　　Roots blower installation:

　　Roots blower is installed before leaving the factory. Only connect the inlet silencer with the inlet, the outlet silencer with the outlet, and then connect the outlet silencer with the pipe. Here are the installation precautions:

　　1. Roots blower shall be installed in a place with solid ground and sufficient space shall be left around for inspection, maintenance and repair.

　　2. The foundation level should be maintained under the roots blower base. It is recommended to pad damping rubber at the four corners of the base or cast and install with bolts to ensure that the roots blower operates smoothly and has little vibration.

　　3. The connecting pipe between Roots fan and system should be sealed reliably. For small vacuum pump, metal pipe connection gasket and oil resistant rubber can be used. For small Roots fan, vacuum rubber pipe connection can be used. The pipe diameter should not be less than the suction diameter of Roots fan, and the pipe should be short and less elbows. (when welding the pipeline, the welding slag in the pipeline should be removed, and it is strictly forbidden for the welding slag to enter the vacuum pump chamber.)

　　4. In the connecting pipeline, users can install valves and vacuum gauges above the air inlet of Roots blower to check the limit pressure of Roots blower at any time.

　　5. Connect the power supply according to the provisions of the motor label, and install the grounding wire and fuse and thermal relay with appropriate specifications.

　　6. When the roots blower is powered on for test run, the motor belt must be removed, and the vacuum pump can be put into use only after confirming that the rotation direction of the vacuum pump meets the specified direction, and the roots blower is used for reverse oil injection. (turn according to the direction indicated by the protective cover)

　　7. For Roots blower with cooling water, connect the cooling water as required.

　　8. If the solenoid valve is installed at the mouth of Roots blower, the valve and roots blower should act at the same time.

　　9. When the exhaust gas of Roots blower affects the working environment, a pipe can be installed at the exhaust port to lead away or install an oil mist filter.

　　Commissioning of Roots blower:

　　Roots blower commissioning includes: inching commissioning, no-load operation commissioning, full pressure commissioning and full system commissioning.

　　1. Inching commissioning refers to completely separating the fan from the system and disconnecting the inlet and outlet pipes of the fan on site. Turn the gear manually. After confirming that there is no jam inside the machine body, start the fan, then turn it off immediately, and then observe whether the rotation direction of the fan is the same as that marked on the machine body. If it is different, for three-phase motors, exchange any two-phase cables and reconnect them. Because the structure of Roots blower cannot be reversed.

　　2. No load operation commissioning refers to starting the fan and running it continuously for half an hour on the premise of inheriting the previous step and confirming the correct rotation direction of the fan, and observing whether the fan operates stably and whether there is abnormal noise and vibration.

　　3. Full pressure test refers to the installation of a valve at the outlet of the fan (to avoid noise, when a silencer is connected behind the valve), after starting the fan, apply a simulated load to the fan by gradually closing the valve until the fan pressure reaches the pressure shown on the nameplate, and then operate continuously for about 2 hours to ensure that the fan has no abnormal sound, The temperature is stable (after the fan is pressurized, the temperature rises gradually, generally as short as half an hour, as long as 2 hours, the temperature tends to stabilize and stops rising. If it continues to rise, there are mostly problems), and the fan current is within the range shown on the nameplate.

　　4. The whole system test refers to connecting the fan into the working system and starting the trial operation, which shall last for more than half an hour. Since the design is generally equipped with design allowance, the pressure and current of the actual operation of the fan after it is connected to the system should be lower than the pressure shown on the nameplate. If there is an overload condition, it often means that the selection is improper, and the problems need to be strictly investigated and analyzed.

　　How to assemble the three blade roots blower? To solve the problem of "assembly", we must first understand the content of assembly. The assembly of three blade roots blower before leaving the factory has two parts, one is the assembly of the machine head, the other is the assembly of the whole machine, and these are the assembly before leaving the factory; After simple assembly, it can be delivered. After receiving the three leaf roots blower, the end customer will connect the roots blower with the blower.

　　The following is a detailed description of the fan assembly before the fan leaves the factory: what problems should be paid attention to when installing roots blower?

　　1. Head installation

　　The fan head is assembled. Install the assembled fan head on one side of the base, and then fasten it with bolts;

　　2. Motor installation

　　The motor is installed on the other side of the base. After installation, tighten the bolts slightly, and do not tighten and lock them immediately;

　　3. Pulley installation

　　The belt pulley has two parts, one is installed on the side of the machine head and the other is installed on the side of the motor. Use professional equipment to adjust the belt pulley to the same horizontal plane;

　　4. Belt installation

　　After installing the pulley, install the belt; What is the reason why the roots blower gear cannot rotate after installation?

　　5. Fastening bolt

　　Tighten the bolts of the motor and adjust the tightness of the roots blower belt at the same time. After adjustment, lock and tighten the bolts;

　　6. Install belt protection cover

　　After the above installation is completed, install the belt protective cover on the base and tighten the bolts;

　　7. Install the pressure gauge safety valve

　　In order to ensure that the pressure gauge safety valve is not damaged, general manufacturers may not install it for us, and some manufacturers may install it; 10 steps to pay attention to when installing and using the silencer at the inlet and outlet of Roots blower!

　　The above are the installation matters of three leaf roots blower before leaving the factory and the installation matters of Roots blower in end customers. If you want to know these knowledge, you can click here. If you want to purchase roots blower, you can contact our official customer service hotline.

　　Precautions and steps for assembly of three blade roots blower:

　　1. Precautions during assembly

　　(1) Check whether the disassembled parts are damaged. Pay special attention to the matching parts. If any damage is found, repair or replace it.

　　(2) The bearing should be cleaned and then coated with lubricating oil. When installing the bearing, tools, hands, etc. should be cleaned.

　　(3) Remove the dust from the fitting part, and then apply oil.

　　(4) If the sealing gasket is damaged or lost, replace the gasket with the same thickness and material.

　　2. Assembly steps

　　(1) Install the wall panel (front wall panel) on the drive side onto the housing.

　　(2) Install the impeller part into the casing from the gear end.

　　(3) Install the gear end wall plate on the housing, pay attention to the total axial clearance, and if it is not enough, the housing gasket can be selected.

　　(4) Assemble the front and rear bearings. When assembling the front bearing, the bearing housing should be filled with 1/2-1/3 bearing space grease.

　　(5) Assemble the gear.

　　(6) Install the drive side bearing and locknut together, and install the bearing gland.

　　(7) Adjust the clearance and drive in the locating pin.

　　(8) Install pulley and other parts.

　　Methods to quickly reduce the bearing temperature of three blade roots blower:

　　The bearing temperature of the three leaf roots blower will also be affected by the external environment. In winter, the room temperature is low, and the three leaf roots blower operates well (when the room temperature is 5 ℃, the front bearing of the three leaf roots blower is about 80 ℃). In summer, when the room temperature reaches more than 30 ℃, the front bearing of the three leaf roots blower rises with the room temperature above the set trip temperature. In order to avoid tripping, the crew installed spray water on the casing to cool down as an emergency treatment method, but the sanitary condition during operation is poor. Now several simple and fast methods are recommended.

　　1. Simple and practical is to install sunshades outside the fan, which is one of the direct methods of cooling.

　　2. If the temperature rise of axial flow fan, wear-resistant fan and other fans is too high, it is likely that the inlet and outlet pipe gates are not closed when the fan is started. Solution: Just close the inlet and outlet pipe gates.

　　3. In addition, due to the severe vibration of the box, the installation of the shaft and rolling bearings is skewed, the front and rear bearings are not concentric, and the fan rolling bearings are damaged or the shaft is bent, which are all factors affecting the fan bearing temperature. The solution: lubricate the lubricating oil in time to reduce the friction coefficient.

　　4. The motor belt is too loose. Here, pay attention to replace the motor belt in time, and adjust the position of the pulley to make it stressed evenly.

　　The above are the precautions and steps for the assembly of the three blade roots blower and the method to quickly reduce the bearing temperature.

　　Assembly sequence of Roots blower:

　　Roots blower separates the inlet and outlet with the help of engagement with two impellers, and pushes the gas in the cylinder volume from the inlet to the outlet without internal pressure in the process, so as to achieve the purpose of forced exhaust. Roots blower must be assembled before use, so as to ensure its normal operation.

　　1. Lift the casing onto the workbench, purge and repair burrs.

　　2. Install the wallboard at the drive end on the housing.

　　3. Push the rotor into the housing from the other end.

　　4. Assemble the side wall panel at the gear end; And ensure the total axial clearance. If the total clearance is not enough, the casing gasket can be selected.

　　5. Assemble the bearing seats and bearings on both sides. Determine the axial distribution clearance of the impeller.

　　6. Assemble the gear part and oil slinger. Pay attention to proofreading according to the marked mark. The conical surface of the gear shall not be oiled and shall be cleaned.

　　7. Assemble the gearbox.

　　How to operate roots blower safely:

　　1. Check the tightness of all parts of Roots blower and whether the locating pin is loose. If it is loose, it must be fastened.

　　2. The fan body shall be free of scale, rust and peeling. Prevent leakage.

　　3. When disassembling the machine, please measure the matching size of the machine, record and mark and guide the parts to ensure that the original matching requirements are assembled and maintained.

　　4. Sometimes the overload of Roots blower cannot be displayed immediately, so please pay attention to the changes of inlet and exhaust pressure, bearing temperature and engine power to determine whether the machine operates normally.

　　5. Under normal conditions, the equipment must be operated for 1000 hours to change the lubricating oil. Pay attention to whether the lubrication of lubricating oil is normal. Pay attention to the quality of lubricating oil. Always listen to the operation of Roots blower, whether there is noise or not. Pay attention to whether the equipment operates under the specified working conditions.

　　6. The new machine or modified roots blower will be put into operation according to the use procedure. It is recommended to replace all lubricating oils after 8 hours of operation. Routine maintenance is very important, and the fault must be repaired before use.

　　You must read the instructions carefully before operation to ensure that the staff grasp the useful use method of the equipment. Roots blower can operate correctly.

　　Specific measures for pressure reduction of Roots blower:

　　1. The air volume is too small

　　The air volume is too small and the gap of Roots blower is also very large. If the gap increases and the internal leakage is serious, the air volume will decrease. Similarly, in the process of transporting gas, if the pipeline leaks, it will also produce the appearance of reduced air volume. The low air volume may also be caused by pipe blockage, which is usually accompanied by high pressure and high temperature. In order to prevent pipe blockage, it is very necessary to regularly check the operation of Roots blower.

　　2. Causes of noise increase

　　The roots blower has been used for a long time, the overall compactness has decreased, the bolts have become loose, the silencer has aged, and the gap error between various parts has increased, resulting in the increasing noise of the roots blower.

　　3. Pressure reduction

　　The main reasons for the pressure reduction of Roots blower are: the gap increases, and the gap between impellers, between impellers and wallboards, and between impellers and casings increases. Roots blower is a mandatory gas transmission equipment, and the pressure presented by roots blower is the front resistance, that is, the back pressure we often say. The increase of gap will lead to serious gas backflow (increased internal leakage), resulting in the reduction of negative pressure and the appearance of pressure reduction. Other reasons for pressure reduction: the tightness is reduced. If there is gas leakage in Roots blower or pipeline, it will affect the pressure value of Roots blower. The leakage is serious, and the pressure naturally cannot reach the rated standard.