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攪拌反應釜的傳動(dòng)裝置

來(lái)源: 時(shí)間:2012-11-27 14:26:18 瀏覽次數:

通常電動(dòng)機與減速機配套供應,設計時(shí)可根據反應器應配電機功率、轉速、安裝形式及防爆要求,選擇電動(dòng)機及配套的減速機。電動(dòng)機基本特性見(jiàn)表1

攪拌反應釜的傳動(dòng)裝置

電動(dòng)機的基本特性及選用

通常電動(dòng)機與減速機配套供應,設計時(shí)可根據反應器應配電機功率、轉速、安裝形式及防爆要求,選擇電動(dòng)機及配套的減速機。電動(dòng)機基本特性見(jiàn)表1

1   電動(dòng)機基本特性

    類(lèi)

系列名稱(chēng)

    點(diǎn)

用途及使用范圍

使用條件及工作方式

安裝型式

動(dòng)

J2、JO2系列小型三相異步電動(dòng)機

J2型能防止水滴或其它雜物在垂直方向落入電機內部。JO2型能防止灰塵,鐵屑或其他雜質(zhì)侵入電機內部。運行可靠,壽命長(cháng),使用維護方便,性能優(yōu)良,體積小,重量輕,轉動(dòng)慣量小,用料省

適用于拖動(dòng)在起動(dòng)性能,調速性能及轉差率均無(wú)特殊的一般機械,JO2可適用于灰塵較多,水土飛濺的地方

1.環(huán)境溫度不超過(guò)+40

2.海拔不超過(guò)1000

a.額定電壓380V,3千伏以下為Y接法,其他均為D接法

b.額定頻率:50Hz 

c.工作方式:連續使用

D2,T2,D2/T2,L3等四種

    JO3系列三相異步電動(dòng)機

其結構能阻止機座內外空氣自由交換,但不完全密封.采用新興電磁材料及優(yōu)質(zhì)絕緣材料,較JO2系列體積縮小37%,重量減輕22%

適用于對轉差率無(wú)特殊要求的機械拖動(dòng),也可用于起動(dòng)靜止負荷或慣性負荷比較大的機械上

額定電壓:>4KW220V(D接法),<4KW220/520V(D/Y接法)

D2,T2,D2/T2,L3等四種

JO2-F系列化工防腐用異步電動(dòng)機

    具有JO2特點(diǎn),相宜采取了防腐密封措施

  腐蝕氣體含量:

NH3200mg/m3

SO2160mg/m3

H2S50mg/m3

CL2200mg/m3

NH3200mg/m3

HCL100mg/m3

氮的氧化物40mg/m3

在氮肥,氯堿系統中化工廠(chǎng)的腐蝕環(huán)境中使用

1.空氣溫度不超過(guò)+40

2.空氣相對濕度95

3有酸霧,堿霧,腐蝕性粉塵,凝露等

外型及安裝尺寸與JO2

JO2-W系列戶(hù)外用電動(dòng)機

對于潮氣,霉菌,鹽霧,雨水,雪,日輻射,風(fēng)沙,嚴寒(-40)等氣候有防護作用

能在一般戶(hù)外的環(huán)境下進(jìn)行工作,不需加任何附加防護措施

環(huán)境溫度:

-40+40

D2,T2,D2/T2,L3等四種

防爆異步電動(dòng)機

AJO2、BJO2、BJO2Q系列防爆三相異步電動(dòng)機

結構與特點(diǎn)與JO2相似,適當加固以防爆。AJO2為防爆安全型,BJO2為隔爆型,BJO2Q為高啟動(dòng)轉矩隔爆型

適用于具有爆炸危險性混合物的場(chǎng)所

JO2系列相同,可連續使用

D2,T2,D2/T2,L3等四種

    注:1.安裝型式代號意義見(jiàn)圖19-29

        2.當選用AJO2BJO2系列電動(dòng)機時(shí),應分別在標定符號前加“A”或“B”字,用JO2系列時(shí)不加標記。

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