3qgb螺杆瀝青泵(又名(míng)保溫泵|保溫瀝(lì)青泵),是一種容(róng)積式泵,在三螺(luó)杆泵中,由于主(zhǔ)螺杆(gǎn)與(yǔ)從(cóng)動螺杆上螺旋槽相(xiàng)互齧合及它們與襯套(tào)三孔内(nèi)表面的(de)配(pèi)合,得以在(zài)泵的與出(chū)口之間形(xíng)成數(shù)級動(dòng)密封(fēng)室,這(zhè)些動(dòng)密封(fēng)室将(jiāng)不斷(duàn)把液體由(yóu)泵軸向移動到(dào)泵出(chū)口,并使所(suǒ)輸送液(yè)體(tǐ)逐級(jí)升壓。從(cóng)而(ér)形成一個連(lián)續(xù)、平穩、軸向移動的壓力液體(tǐ)。顯著的(de)優點是結(jié)構簡(jiǎn)單、體積小(xiǎo)、允許高轉(zhuǎn)速(sù)、工作平(píng)穩、壓力脈(mò)動小、流量穩(wěn)定、噪音(yīn)低、,是(shì)高(gāo)粘(zhān)度保(bǎo)溫泵。用于(yú)瀝青(qīng)庫、油田(tián)、重油等(děng)油庫和導熱油蒸氣加熱,瀝青(qīng),重油(yóu)等設(shè)備配(pèi)套。
二(èr)、用途及使用範圍(wéi)
3qgb三螺杆(gǎn)泵所(suǒ)輸送(sòng)液體(tǐ)為不含固體顆(kē)粒,無腐蝕(shí)性油類及(jí)類似(sì)油的潤滑性(xìng)液體,粘(zhān)度為1.2~100oe(3.0~760cst),高粘度液(yè)體亦可通(tōng)過加(jiā)溫降粘(zhān)後(hòu)輸送(sòng),其溫度不(bú)超過(guò)150oc。lq3g三螺杆泵廣泛(fàn)應用(yòng)于(yú)石油、化(huà)纖、冶(yě)金(jīn)、機械、電(diàn)力、機床、船舶、玻(bō)璃、公(gōng)路(lù)等各行各業。3qgb三螺杆泵(bèng)适用(yòng)于輸送燃(rán)料油、潤滑油、液(yè)壓油、原油、瀝青及其它類(lèi)似油(yóu)的潤滑(huá)油和潤(rùn)滑性液體(tǐ)。lq3g三螺杆泵(bèng)在工(gōng)業中(zhōng)作潤滑(huá)泵,在液壓系統(tǒng)中作液(yè)壓泵,在燃油系(xì)統中作輸送及(jí)增壓泵,在輸油(yóu)系統(tǒng)中作輸送(sòng)及加油泵。
流量(liàng)範圍(wéi)0.2-600m3/h,工(gōng)作壓力(lì)可達(dá)6.3mpa
三、結(jié)構與(yǔ)性能特(tè)點(diǎn)
1、結構(gòu)簡單:泵本身僅(jǐn)三根螺杆組成(chéng),但有多(duō)種結構形成(chéng),一般小流(liú)量(liàng),0.2-6.5m3/h泵(bèng)的(de)泵(bèng)體和襯套(tào)合為一個(gè)卧式(shì)安(ān)裝,軸封為機(jī)械密封。中(zhōng)等流(liú)量(liàng)以(yǐ)上的泵襯套為一單(dān)獨的(de)零(líng)件固(gù)定于泵體内。大流(liú)量泵(bèng)多制成雙吸結(jié)構。軸根據(jù)輸送的介質不同有(yǒu)端面機械(xiè)密封和填(tián)料密(mì)封兩種。船用泵(bèng)的原動機為交(jiāo)流(liú)船用電機。
2、壽(shòu)命長(zhǎng):三螺杆泵的主(zhǔ)要(yào)螺(luó)杆是(shì)由電動機(jī)驅動(dòng)。主、從(cóng)螺杆之間(jiān),螺杆與襯套之(zhī)間皆有一層油(yóu)膜保護(hù),因泵的(de)機械摩擦(cā)。
3、所輸的液(yè)體在泵内作軸向(xiàng)勻速直(zhí)線運動(dòng),故壓力脈動小,流(liú)量穩(wěn)定,噪音(yīn)低(dī),由于(yú)轉動部分慣性(xìng)小(xiǎo),則起動力矩和振動很(hěn)小。
4、具(jù)有高吸入能力。
5、為泵、電機(jī)及管(guǎn)路系統,中等流量(liàng)以上的螺杆(gǎn)泵均帶有閥,當(dāng)壓力超過(guò)閥設(shè)定壓力(lì)時(shí),高壓油将(jiāng)回流至泵(bèng)的。圖1圖2帶(dài)閥和(hé)不帶閥的兩(liǎng)種(zhǒng)結構原(yuán)理圖。
型号 | 流量(liàng) | 出口壓(yā)力 | 轉速 | 功率kw | 汽 | 電機型(xíng)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 |