


3QGB三(sān)螺杆泵(又名保溫(wen)泵|保溫瀝青泵),是(shì)一種容積式泵,在(zài)三螺杆泵中,由于(yu)主螺杆與從動螺(luó)杆上螺旋✂️槽相互(hù)齧🧡合及它們與襯(chèn)套三孔内表面的(de)配合,得以在泵♋的(de)與出☁️口之間形成(chéng)數級動密封室,這(zhè)些動密封室将😄不(bu)斷把液體由泵軸(zhóu)向移動到⚽泵出口(kou),并⭕使所輸送液體(tǐ)逐級升壓。從而形(xing)成一個連續、平穩(wen)、軸向移動的壓力(lì)液體。顯著的優點(dian)是結構簡單、體積(ji)小、允許高轉速、工(gong)作平穩、壓力脈動(dòng)小、流量穩定、噪音(yīn)低、,是高粘度保㊙️溫(wen)泵。用于瀝青庫、油(you)田、重油等⛱️油庫和(hé)導熱油蒸氣加熱(rè),瀝青,重油等設備(bèi)配套。
二、用途及使(shi)用範圍
3QGB三螺杆泵(bèng)所輸送液體為不(bu)含固體顆粒,無腐(fu)蝕性油類及類似(si)油的潤滑性液體(tǐ),粘度為1.2~100oE(3.0~760cst),高粘度液(yè)體亦可通過加溫(wen)降粘後輸送,其溫(wēn)度不超過150oC。LQ3G三螺杆(gan)㊙️泵廣泛👈應用于石(shí)油、化纖、冶金✍️、機械(xie)、電力、機床、船舶、玻(bō)璃、公路等各行各(ge)業。3QGB三螺杆泵适用(yòng)于輸送燃料🔴油、潤(rùn)滑油、液壓油、原油(you)、瀝青及其它類似(si)油的潤滑油和潤(rùn)滑性液體。3QGB三螺杆(gan)泵在工業中作潤(rùn)滑泵,在液壓系統(tǒng)中作液壓泵,在燃(rán)油系統中作輸送(song)及增壓泵,在輸油(yóu)系統中作輸送及(jí)加油泵。
流量範圍(wei)0.2-600m3/h,工作壓力可達6.3MPa
三(sān)、結構與性能特點(diǎn)
1、結構簡單:泵本身(shēn)僅三根螺杆組成(cheng),但有多種結構形(xing)成🎯,一般小流量,0.2-6.5m3/h泵(bèng)的泵體和襯套合(he)為一個卧式安裝(zhuang),軸封🔴為機械密封(fēng)。中🈲等流量以上的(de)泵襯套為一單獨(dú)的零件固定于泵(beng)體内。大流量泵多(duo)制成雙吸結構。軸(zhóu)根據輸送的介質(zhì)不同有端面機械(xie)密封和填料密封(feng)兩種。船用泵📱的原(yuán)動機為💚交流船用(yong)電🧑🏽🤝🧑🏻機。
2、壽命長:三螺(luo)杆泵的主要螺杆(gan)是由電動機驅動(dong)。主、從🔅螺⚽杆🙇🏻之間,螺(luo)杆與襯套之間皆(jie)有一層油膜保護(hù),因泵❌的機💃🏻械摩擦(ca)。
3、所輸的液體在泵(beng)内作軸向勻速直(zhi)線運動,故壓力脈(mò)動小,流量穩定,噪(zào)音低,由于轉動部(bu)分慣性小,則起動(dòng)力矩⚽和振動很♻️小(xiǎo)。
4、具有高吸入能力(lì)。
5、為泵、電機及管路(lu)系統,中等流量以(yǐ)上的螺杆泵均📞帶(dai)有✔️閥,當壓力超過(guò)閥設定壓力時,高(gāo)壓油将回流至泵(bèng)的。圖1圖2帶閥和不(bú)帶閥的兩種結構(gou)原理圖。
型号 | 流量(liàng) | 出口壓力 | 轉速 | 功(gōng)率KW | 汽 | 電機(jī)型号 | ||
m3/h | L/min | 軸功率 | 電機(jī)功率 | |||||
45×3-36 | 2.8 | 46 | 0.6 | 950 | 0.8 | 1.1 | 5 | 90L-6-B3 |
2.7 | 45 | 1.0 | 1.2 | 1.5 | 100L-6-B3 | |||
25 | 42 | 1.6 | 1.6 | 2.2 | 112M-6-B3 | |||
2.4 | 40 | 2.5 | 2.8 | 4 | 132M1-6-B3 | |||
4.2 | 70 | 0.6 | 1450 | 1.0 | 1.5 | 5 | 90L-4-B3 | |
4.0 | 66 | 1.0 | 1.7 | 2.2 | 100L1-4-B3 | |||
3.8 | 63 | 1.6 | 2.8 | 3 | 100L3-4-B3 | |||
3.5 | 58 | 2.5 | 4.3 | 5.5 | 132S-4-B3 | |||
45×2-46 | 4.2 | 70 | 0.6 | 950 | 1.0 | 1.5 | 5 | 100L-6-B3 |
4.0 | 66 | 1.0 | 1.7 | 2.2 | 112M-6-B3 | |||
6.3 | 105 | 0.6 | 1450 | 1.5 | 2.2 | 100L1-4-B3 | ||
6.1 | 101 | 1.0 | 2.3 | 3 | 100L2-4-B3 | |||
54×2-46 | 8.0 | 133 | 0.8 | 970 | 2.3 | 3 | 5 | 100L-6-B3 |
8.0 | 133 | 1.0 | 1.5 | 2.2 | 112M-6-B3 | |||
14 | 233 | 0.6 | 1450 | 2.8 | 4 | 100L1-4-B3 | ||
14 | 233 | 4.0 | 4.3 | 5.5 | 100L2-4-B3 | |||
62×2-43 | 8.58 | 143.4 | 0.6 | 950 | 2.06 | 3 | 5 | 132S-6-B3 |
8.25 | 137.9 | 1.0 | 3.18 | 4 | 132M1-6-B3 | |||
13.1 | 218.9 | 0.6 | 1450 | 3.15 | 4 | 112M-4-B3 | ||
12.6 | 210.5 | 1.0 | 4.86 | 7.5 | 132M-4-B3 | |||
62×2-46 | 9.8 | 163 | 0.8 | 950 | 2.9 | 4 | 5 | 132M1-6-B3 |
9.5 | 158 | 1.0 | 3.6 | 5.5 | 132M2-6-B3 | |||
15.1 | 251 | 0.6 | 1450 | 3.6 | 5.5 | 132S-4-B3 | ||
14.6 | 243 | 1.0 | 5.5 | 7.5 | 132M-4-B3 | |||
80×2-36 | 17.0 | 283.3 | 0.8 | 950 | 4.3 | 7.5 | 5.5 | 160M-6-B3 |
25.7 | 428 | 0.6 | 1450 | 5.4 | 7.5 | 132M-4-B3 | ||
25.0 | 417 | 1.0 | 8.5 | 11 | 160M-4-B3 | |||
80×2-46 | 23.9 | 398.5 | 0.6 | 950 | 5.5 | 7.5 | 5.5 | 160M-6-B3 |
23.1 | 386.3 | 1.0 | 8.6 | 11 | 160L-6-B3 | |||
36.6 | 610.3 | 0.6 | 1450 | 8.4 | 11 | 160M-4-B3 | ||
35.7 | 594.5 | 1.0 | 13.1 | 15 | 160L-4-B3 | |||
80×2-51 | 27.5 | 485.5 | 0.6 | 950 | 6.3 | 11 | 5.5 | 160L-6-B3 |
26.9 | 448.3 | 1.0 | 10.5 | 15 | 180L-6-B3 | |||
41.9 | 698.3 | 0.6 | 1450 | 9.6 | 11 | 160M-4-B3 | ||
41.0 | 684.1 | 1.0 | 16.0 | 18.5 | 180M-4-B3 | |||
90×2-36 | 24.2 | 403.5 | 0.6 | 960 | 5.52 | 7.5 | 5.5 | 160M-6-B3 |
23.6 | 394.6 | 1.0 | 8.52 | 11 | 160L-6-B3 | |||
37 | 615.9 | 0.6 | 1450 | 8.52 | 11 | 160M-4-B3 | ||
36.1 | 602.4 | 1.0 | 13 | 15 | 160L-4-B3 | |||
90×2-42 | 28.2 | 470.9 | 0.6 | 950 | 6.6 | 11 | 5.5 | 160L-6-B3 |
27.5 | 457.6 | 1.0 | 10.2 | 15 | 180L-6-B3 | |||
43.1 | 718.8 | 0.6 | 1450 | 10 | 15 | 160L-4-B3 | ||
41.9 | 698.5 | 1.0 | 15.5 | 18.5 | 180M-4-B3 | |||
90×2-46 | 34.0 | 566.7 | 0.8 | 950 | 9.7 | 11 | 5.5 | 160L-6-B3 |
52.6 | 875.4 | 0.6 | 1450 | 12 | 15 | 160L-4-B3 | ||
52.0 | 866 | 0.8 | 14.9 | 18.5 | 180M-4-B3 | |||
51.4 | 856.1 | 1.0 | 18.6 | 22 | 180L-4-B3 | |||
100×2-46 | 48.0 | 800 | 0.8 | 950 | 13.3 | 15 | 5.5 | 180L-6-B3 |
72.7 | 1212 | 0.6 | 1450 | 16.5 | 18.5 | 180M-4-B3 | ||
72.0 | 1200 | 0.8 | 20.4 | 22 | 180L-4-B3 | |||
71.2 | 1187 | 1.0 | 25.5 | 30 | 200L-4-B3 | |||
100×2-51 | 56.9 | 948.9 | 0.6 | 950 | 12.5 | 15 | 5.5 | 180L-6-B3 |
55.7 | 928.6 | 1.0 | 20.8 | 30 | 225L-6-B3 | |||
86.9 | 1448.3 | 0.6 | 1450 | 19.1 | 22 | 180L-4-B3 | ||
85.0 | 1417.2 | 1.0 | 31.8 | 37 | 225S-4-B3 | |||
110×2-46 | 60.9 | 1015 | 0.6 | 950 | 13.7 | 18.5 | 5.5 | 200L1-6-B3 |
58.9 | 951.7 | 1.0 | 21.8 | 30 | 255M-6-B3 | |||
96.7 | 1611 | 0.6 | 1450 | 21.9 | 30 | 200L-4-B3 | ||
94.6 | 1577 | 1.0 | 33.9 | 45 | 255M-4-B3 | |||
120×2-42 | 67.9 | 1131 | 0.6 | 950 | 15.5 | 18.5 | 5.5 | 200L1-6-B3 |
65.4 | 1090 | 1.0 | 24.5 | 30 | 255M-6-B3 | |||
108 | 1802 | 0.6 | 1450 | 24.7 | 30 | 200L-4-B3 | ||
105 | 1760 | 1.0 | 38.2 | 45 | 255M-4-B3 | |||
120×2-46 | 79.6 | 1327 | 0.6 | 950 | 17.8 | 22 | 5.5 | 200L1-6-B3 |
77.2 | 1285 | 1.0 | 28.2 | 37 | 250M-6-B3 | |||
126 | 2101 | 0.6 | 1450 | 28.5 | 37 | 225S-4-B3 | ||
123 | 2059 | 1.0 | 44.1 | 55 | 255M-4-B3 | |||
150×2-46 | 158 | 2640 | 0.6 | 950 | 34.6 | 45 | 5.5 | Y280S-6-B3 |
154 | 2582 | 1.0 | 54.5 | 75 | Y315S-6-B3 | |||
241.7 | 4029.7 | 0.6 | 1450 | 53.8 | 75 | Y280S-4-B3 | ||
236.5 | 3942.2 | 1.0 | 82.2 | 90 | Y280M-4-B3 | |||

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