3qgb三螺杆泵(bèng)(又名保溫泵|保(bǎo)溫瀝青泵),是一(yī)種容積(jī)式(shì)泵,在三螺杆泵中,由(yóu)于主(zhǔ)螺杆(gǎn)與從動螺杆上螺旋(xuán)槽相互齧(niè)合(hé)及(jí)它們與襯(chèn)套三(sān)孔内表面的配(pèi)合,得以在泵的(de)與出口(kǒu)之(zhī)間形(xíng)成數(shù)級(jí)動密(mì)封(fēng)室,這些(xiē)動密封室将不斷把液(yè)體由(yóu)泵軸(zhóu)向移(yí)動到(dào)泵出口,并(bìng)使所輸送液體(tǐ)逐級升壓。從而形成一個(gè)連續(xù)、平穩(wěn)、軸向移動(dòng)的壓力液(yè)體。顯(xiǎn)著的優(yōu)點是結構簡(jiǎn)單、體(tǐ)積小、允許高轉(zhuǎn)速、工(gōng)作平穩、壓力脈動小、流量穩定(dìng)、噪音低、,是(shì)高(gāo)粘(zhān)度保溫(wēn)泵。用于(yú)瀝青庫、油(yóu)田、重油等(děng)油庫和導(dǎo)熱油蒸氣(qì)加熱,瀝青,重油等設備配套。
二、用途及使用範圍
3qgb三(sān)螺杆泵所輸送液體(tǐ)為不含固(gù)體顆粒,無(wú)腐蝕性油類及(jí)類似(sì)油的(de)潤(rùn)滑性液(yè)體,粘度為1.2~100oe(3.0~760cst),高粘度液體亦可通(tōng)過加溫降粘後(hòu)輸送,其溫度不超過(guò)150oc。lq3g三(sān)螺(luó)杆泵(bèng)廣泛應(yīng)用于石(shí)油(yóu)、化纖、冶金、機(jī)械、電力、機(jī)床、船舶、玻璃、公(gōng)路等(děng)各行各(gè)業。3qgb三螺(luó)杆泵适用(yòng)于輸(shū)送燃料(liào)油、潤滑(huá)油、液壓油、原油(yóu)、瀝青及(jí)其它類(lèi)似油的潤(rùn)滑油(yóu)和潤滑(huá)性液體。3qgb三螺杆泵在工(gōng)業中(zhōng)作潤滑泵(bèng),在液壓系(xì)統中(zhōng)作液壓泵(bèng),在燃油系統中作輸(shū)送及增壓(yā)泵,在(zài)輸油系(xì)統中作(zuò)輸送及加油泵(bèng)。
流量範圍0.2-600m3/h,工作(zuò)壓力可(kě)達6.3mpa
三、結(jié)構與性能特點(diǎn)
1、結構(gòu)簡單:泵本身僅三根螺杆(gǎn)組成(chéng),但有多種(zhǒng)結構形(xíng)成,一般(bān)小流量,0.2-6.5m3/h泵的泵(bèng)體和(hé)襯套(tào)合為(wéi)一個卧式(shì)安裝(zhuāng),軸封為機械密(mì)封。中(zhōng)等(děng)流量以上的泵襯套為(wéi)一單獨的零(líng)件固定(dìng)于泵(bèng)體内(nèi)。大流量(liàng)泵(bèng)多制成雙(shuāng)吸(xī)結構。軸(zhóu)根據輸送的介(jiè)質不(bú)同有(yǒu)端面(miàn)機械(xiè)密封(fēng)和填(tián)料密封(fēng)兩種。船(chuán)用泵(bèng)的原(yuán)動機(jī)為交(jiāo)流(liú)船用電(diàn)機。
2、壽命長:三(sān)螺杆泵的主(zhǔ)要螺(luó)杆是由(yóu)電(diàn)動機驅動。主、從螺杆(gǎn)之間,螺杆與襯(chèn)套之(zhī)間皆(jiē)有一(yī)層油膜保(bǎo)護,因(yīn)泵的機(jī)械摩擦(cā)。
3、所輸(shū)的液體在泵(bèng)内(nèi)作軸(zhóu)向勻(yún)速直線運動,故(gù)壓力(lì)脈動小,流量穩定(dìng),噪音低(dī),由于(yú)轉動部分(fèn)慣性小,則(zé)起動(dòng)力矩(jǔ)和振動很(hěn)小。
4、具有高(gāo)吸入(rù)能力。
5、為(wéi)泵、電機(jī)及管(guǎn)路系統,中(zhōng)等流量以上的(de)螺杆泵(bèng)均(jun1)帶有(yǒu)閥,當壓力超過閥設定壓(yā)力時(shí),高壓(yā)油(yóu)将(jiāng)回流(liú)至泵的。圖1圖2帶(dài)閥和不帶閥的(de)兩種結構原理(lǐ)圖。
型号(hào) | 流(liú)量 | 出(chū)口壓(yā)力 | 轉(zhuǎn)速 | 功(gōng)率kw | 汽(qì) | 電(diàn)機型号 | ||
m3/h | l/min | 軸功率 | 電機功率 | |||||
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 |