3qgb螺(luó)杆瀝青泵(又名保溫(wēn)泵|保溫瀝(lì)青泵(bèng)),是(shì)一種容積式(shì)泵(bèng),在三螺(luó)杆泵中,由(yóu)于主(zhǔ)螺杆與(yǔ)從動螺杆上(shàng)螺(luó)旋槽相(xiàng)互齧合及它們(men)與襯(chèn)套(tào)三(sān)孔(kǒng)内(nèi)表面(miàn)的配合,得(dé)以在(zài)泵(bèng)的與出(chū)口之(zhī)間形成數(shù)級(jí)動密封(fēng)室,這(zhè)些動密(mì)封室(shì)将(jiāng)不斷(duàn)把液(yè)體由泵軸向移動到(dào)泵出(chū)口,并(bìng)使所輸送液體逐級(jí)升壓(yā)。從(cóng)而(ér)形(xíng)成(chéng)一個(gè)連續、平穩、軸向移動(dòng)的壓力液(yè)體(tǐ)。顯著的(de)優點是結(jié)構簡(jiǎn)單、體(tǐ)積小、允許高轉速、工(gōng)作平(píng)穩、壓(yā)力(lì)脈動小(xiǎo)、流量穩(wěn)定、噪音(yīn)低、,是高粘度保(bǎo)溫泵。用于(yú)瀝(lì)青(qīng)庫、油(yóu)田、重油等(děng)油庫和導熱油蒸氣(qì)加熱,瀝青(qīng),重(zhòng)油等設備配(pèi)套。
二(èr)、用途及使用範(fàn)圍
3qgb三螺杆泵所(suǒ)輸送液體(tǐ)為不(bú)含固體顆(kē)粒,無(wú)腐蝕性油(yóu)類及類似(sì)油的(de)潤滑(huá)性(xìng)液體,粘(zhān)度為1.2~100oe(3.0~760cst),高粘(zhān)度液體亦可通過加溫(wēn)降(jiàng)粘後(hòu)輸送(sòng),其溫度不超過(guò)150oc。lq3g三螺杆泵廣泛(fàn)應用于(yú)石油、化(huà)纖、冶(yě)金(jīn)、機械、電(diàn)力、機床(chuáng)、船舶、玻(bō)璃、公路(lù)等(děng)各行(háng)各業(yè)。3qgb三螺(luó)杆泵(bèng)适用于(yú)輸送燃料油、潤滑油、液(yè)壓油、原油、瀝青及其(qí)它類似油(yóu)的潤(rùn)滑(huá)油和潤(rùn)滑性液體。lq3g三螺(luó)杆泵在工(gōng)業中(zhōng)作潤(rùn)滑泵,在液(yè)壓系統中作液壓泵,在燃(rán)油系(xì)統中作輸送及增壓(yā)泵,在輸油(yóu)系(xì)統中作輸送及加油(yóu)泵(bèng)。
流(liú)量(liàng)範圍0.2-600m3/h,工作(zuò)壓力(lì)可達(dá)6.3mpa
三、結(jié)構與(yǔ)性能(néng)特點(diǎn)
1、結構簡單(dān):泵本身僅(jǐn)三根螺杆組成,但有多種結構(gòu)形成,一般(bān)小流量,0.2-6.5m3/h泵(bèng)的泵體和(hé)襯套合為一個(gè)卧式(shì)安裝(zhuāng),軸封(fēng)為機械(xiè)密(mì)封。中(zhōng)等流量以上的泵襯(chèn)套(tào)為一單(dān)獨(dú)的(de)零(líng)件固定(dìng)于泵體内(nèi)。大(dà)流(liú)量泵多制成雙(shuāng)吸結構(gòu)。軸(zhóu)根據(jù)輸送(sòng)的介質不(bú)同有(yǒu)端面機械密封(fēng)和填(tián)料密(mì)封兩種。船(chuán)用泵(bèng)的原(yuán)動機為交(jiāo)流船用電機。
2、壽(shòu)命長(zhǎng):三螺杆泵(bèng)的主要螺杆是(shì)由電(diàn)動機驅動(dòng)。主、從螺杆之間(jiān),螺杆(gǎn)與(yǔ)襯套之(zhī)間皆有(yǒu)一(yī)層油(yóu)膜保(bǎo)護,因泵的(de)機械(xiè)摩擦(cā)。
3、所輸(shū)的液體在泵内(nèi)作軸向勻速直(zhí)線運動,故壓力(lì)脈動小,流量(liàng)穩定,噪音低,由于轉動部(bù)分(fèn)慣性(xìng)小,則起動力矩(jǔ)和振動很(hěn)小。
4、具(jù)有高吸入(rù)能力(lì)。
5、為泵、電(diàn)機及管路系統(tǒng),中等流(liú)量以上(shàng)的(de)螺杆泵均帶有閥,當(dāng)壓力超過閥設定壓(yā)力時(shí),高壓(yā)油将回(huí)流至泵(bèng)的。圖1圖2帶(dài)閥和(hé)不帶閥的兩種結構原(yuán)理圖。
型(xíng)号 | 流(liú)量 | 出口壓力 | 轉(zhuǎn)速 | 功率kw | 汽(qì) | 電機型号 | ||
m3/h | l/min | 軸(zhóu)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 |