一、DT脫硫泵概述
DT型脫硫泵主要為吸收塔循環(huán)泵使用，材質(zhì)基本為高鉻合金，A49，Cr30A等，該系列泵在水力設(shè)計(jì)、結(jié)構(gòu)設(shè)計(jì)以及鑄件所用材料上，綜合應(yīng)用了國(guó)內(nèi)外同類產(chǎn)品的優(yōu)點(diǎn)并加以創(chuàng)新。具有高效節(jié)能、抗磨耐腐、振動(dòng)小、噪聲低、運(yùn)行可靠、使用壽命長(zhǎng)、維修方便等特點(diǎn)。DT系列脫硫循環(huán)泵的泵殼為單層殼體結(jié)構(gòu)。葉輪與軸采用螺紋連結(jié)，軸封采用機(jī)械密封。懸架部分采用稀油潤(rùn)滑形式。過(guò)流部件葉輪、蝸殼、后護(hù)板等均采用我廠自行研制的抗磨耐腐高鉻合金材料制造。
二、DT脫硫泵應(yīng)用范圍
該系列脫硫泵廣泛用于電力、冶金、煤炭、建材、化工等行業(yè)，主要是用來(lái)輸送含有固體顆粒的磨腐蝕性強(qiáng)的漿體，如廠處理精礦尾礦，電廠除灰渣，選煤廠輸送煤泥和重介選煤、海岸河道采礦作業(yè)輸送礦漿等。其所能處理的重量濃度為：灰漿45%，礦漿60%，漿液中氯離子含量可達(dá)60000ppm，漿液的PH值允許在4—13之間, 漿液溫度≤65°C，漿液重量濃度Cw可達(dá)60%。
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三、DT泵結(jié)構(gòu)示意圖
四、DT脫硫泵性能參數(shù)表
型號(hào)
Type | 轉(zhuǎn)速
Speed
n | 流量
Capacity
Q | 揚(yáng)程
Head
H | 軸功率
Power of shaft
Pa | 效率
η | 必須汽蝕余量
（NPSH）r | 電機(jī) |
功率/電壓
Power/Voltage |
| r/min | m3/h | m | KW | % | m | KW/V |
| 800DT-A90 | 590 | 6200 | 28.7 | 553.2 | 87.6 | 2.7 | 710/6000 |
| 8800 | 26.1 | 700.4 | 89.3 | 3.5 | 900/6000 |
| 9700 | 23.5 | 715.2 | 86.8 | 3.9 | 900/6000 |
| 490 | 5170 | 20.0 | 321.5 | 87.6 | 2.0 | 400/6000 |
| 7338 | 18.1 | 405.0 | 89.3 | 2.5 | 500/6000 |
| 8089 | 16.3 | 413.7 | 86.8 | 2.9 | 560/6000 |
| 700DT-A84 | 590 | 4250 | 24.5 | 326.3 | 86.9 | 2.8 | 500/6000 |
| 6300 | 22.3 | 430.9 | 88.8 | 3.5 | 560/6000 |
| 7360 | 20.1 | 467.4 | 86.2 | 4.0 | 630/6000 |
| 490 | 3545 | 17.0 | 188.9 | 86.9 | 2.0 | 250/6000 |
| 5255 | 15.5 | 250.0 | 88.8 | 2.6 | 315/6000 |
| 6140 | 14.0 | 271.6 | 86.2 | 3.0 | 355/6000 |
| 600DT-A82 | 590 | 3300 | 27.8 | 343.2 | 72.8 | 3.0 | 500/6000 |
| 4700 | 24.7 | 358.0 | 88.3 | 3.7 | 500/6000 |
| 5300 | 21.7 | 362.9 | 86.3 | 4.0 | 500/6000 |
| 5600 | 20.4 | 368.2 | 84.5 | 4.0 | 500/6000 |
| 490 | 2718 | 18.9 | 192.2 | 72.8 | 2.2 | 280/6000 |
| 3871 | 16.8 | 200.6 | 88.3 | 2.8 | 280/6000 |
| 4368 | 14.7 | 202.5 | 86.3 | 3.0 | 280/6000 |
| 4612 | 13.8 | 205.1 | 84.5 | 3.0 | 280/6000 |
| 500DT-A85 | 590 | 2040 | 26.8 | 204.5 | 72.8 | 4.1 | 250/6000 |
| 3400 | 24.4 | 266.7 | 84.7 | 355/6000 |
| 4080 | 22.4 | 305.2 | 80.1 | 400/6000 |
| 490 | 1702 | 18.6 | 118.4 | 72.8 | 3.1 | 220/6000 |
| 2836 | 17.0 | 155.0 | 84.7 | 220/6000 |
| 3403 | 15.3 | 177.0 | 80.1 | 220/6000 |
| 350DT-A78 | 740 | 1332 | 51.1 | 289.6 | 64.0 | 6.5 | 355/6000 |
| 2430 | 44.5 | 377.7 | 78.0 | 500/6000 |
| 2865 | 39.6 | 408.7 | 75.6 | 500/6000 |
| 590 | 1062 | 32.5 | 146.9 | 64.0 | 3.5 | 185/6000 |
| 1938 | 28.3 | 191.5 | 78.0 | 250/6000 |
| 2284 | 25.2 | 207.3 | 75.6 | 280/6000 |
| 300DT-A60 | 980 | 1170 | 63.1 | 235.6 | 71.8 | 8.4 | 315/6000 |
| 1779 | 47.1 | 281.4 | 81.1 | 355/6000 |
| 2403 | 36.1 | 313.3 | 75.4 | 400/6000 |
| 740 | 878 | 29.9 | 99.6 | 71.8 | 4.3 | 132/380 |
| 1335 | 26.5 | 118.8 | 81.1 | 160/380 |
| 1803 | 20.3 | 132.2 | 75.4 | 160/380 |
| 200DT-45B | 990 | 279 | 31.0 | 37.4 | 62.9 | 3.3 | 55/380 |
| 557 | 26.1 | 49.0 | 80.8 | 75/380 |
| 645 | 23.3 | 52.6 | 77.8 | 75/380 |
| 730 | 206 | 16.9 | 15.1 | 62.9 | 2.0 | 22/380 |
| 410 | 14.2 | 19.6 | 80.8 | 30/380 |
| 475 | 12.7 | 21.1 | 77.8 | 30/380 |
| 150DT-55B | 990 | 280 | 53.7 | 64.8 | 63.2 | 3.7 | 90/380 |
| 517 | 48.0 | 88.3 | 76.5 | 110/380 |
| 630 | 45.9 | 100.8 | 78.1 | 132/380 |
| 740 | 209 | 30.0 | 27.0 | 63.2 | 2.3 | 37/380 |
| 387 | 26.8 | 36.9 | 76.5 | 55/380 |
| 471 | 25.7 | 42.2 | 78.1 | 55/380 |
| 150DT-50 | 980 | 123 | 44.6 | 27.6 | 54.1 | 3.5 | 37/380 |
| 221 | 40.1 | 36.9 | 65.4 | 55/380 |
| 279 | 37.2 | 43.4 | 65.2 | 55/380 |
| 740 | 92 | 24.7 | 11.4 | 54.1 | 2.1 | 18.5/380 |
| 165 | 22.3 | 15.3 | 65.4 | 22/380 |
| 208 | 20.6 | 17.9 | 65.2 | 30/380 |
| 150DT-40 | 1480 | 260 | 61.2 | 68.8 | 63.0 | 6.5 | 90/380 |
| 440 | 53.8 | 88.2 | 73.1 | 110/380 |
| 503 | 50.7 | 95.4 | 72.8 | 132/380 |
| 980 | 171 | 26.5 | 19.6 | 63.0 | 2.6 | 30/380 |
| 289 | 23.3 | 25.1 | 73.1 | 37/380 |
| 331 | 21.9 | 27.1 | 72.8 | 37/380 |
| 100DT-45 | 1480 | 88 | 76.4 | 43.6 | 42.0 | 6.0 | 55/380 |
| 166 | 65.2 | 56.9 | 51.8 | 75/380 |
| 219 | 54.3 | 66.5 | 48.7 | 90/380 |
| 970 | 57 | 32.8 | 12.1 | 42.0 | 2.4 | 18.5/380 |
| 109 | 28.0 | 16.0 | 51.8 | 22/380 |
| 144 | 23.3 | 18.8 | 48.7 | 30/380 |
| 100DT-40B | 1480 | 129 | 61.0 | 37.7 | 56.9 | 3.5 | 55/380 |
| 219 | 56.1 | 48.7 | 68.7 | 75/380 |
| 268 | 53.6 | 55.6 | 70.4 | 75/380 |
| 970 | 85 | 26.2 | 10.7 | 56.9 | 1.7 | 15/380 |
| 144 | 24.1 | 13.8 | 68.7 | 22/380 |
| 176 | 23.0 | 15.7 | 70.4 | 22/380 |
| 100DT-35 | 1480 | 163 | 45.9 | 33.5 | 60.9 | 4.1 | 45/380 |
| 278 | 41.5 | 43.7 | 71.9 |
| 55/380 |
| 323 | 39.2 | 47.1 | 73.2 |
| 75/380 |
| 970 | 107 | 19.7 | 9.4 | 60.9 | 1.9 | 15/380 |
| 182 | 17.8 | 12.3 | 71.9 | 18.5/380 |
| 212 | 16.8 | 13.3 | 73.2 | 18.5/380 |
| 80DT-36 | 1480 | 86 | 47.1 | 23.3 | 47.4 | 3.2 | 30/380 |
| 151 | 42.0 | 28.5 | 60.7 | 37/380 |
| 167 | 39.9 | 29.3 | 62.0 | 37/380 |
| 970 | 56 | 20.2 | 6.5 | 47.4 | 1.5 | 11/380 |
| 99 | 18.0 | 8.0 | 60.7 | 15/380 |
| 109 | 17.1 | 8.2 | 62.0 | 15/380 |
| 65DT-40 | 1480 | 71 | 63.2 | 26.2 | 46.7 | 4.5 | 37/380 |
| 141 | 57.5 | 35.6 | 62.1 | 45/380 |
| 159 | 54.6 | 36.1 | 62.1 | 55/380 |
| 970 | 47 | 27.1 | 7.4 | 46.7 | 2.1 | 11/380 |
| 92 | 24.7 | 10.0 | 62.1 | 15/380 |
| 104 | 23.5 | 10.7 | 62.1 | 15/380 |
| 65DT-30 | 1480 | 44 | 35.6 | 9.1 | 46.7 | 4.6 | 15/380 |
| 79 | 32.6 | 12.8 | 54.6 | 18.5/380 |
| 99 | 30.7 | 15.4 | 53.8 | 22/380 |
| 960 | 29 | 15.2 | 2.6 | 46.7 | 2.2 | 5.5/380 |
| 51 | 13.9 | 3.5 | 54.6 | 5.5/380 |
| 64 | 13.1 | 4.2 | 53.8 | 7.5/380 |
| 50DT-40D | 1480 | 33 | 51.7 | 13.1 | 35.4 | 2.5 | 18.5/380 |
| 68 | 43.4 | 17.8 | 45.4 | 30/380 |
| 76 | 40.8 | 18.9 | 44.7 | 30/380 |
| 970 | 22 | 22.5 | 3.8 | 35.4 | 1.2 | 5.5/380 |
| 45 | 18.9 | 5.1 | 45.1 | 7.5/380 |
| 50 | 17.7 | 5.4 | 44.7 | 11/380 |
| 50DT-30 | 1480 | 34 | 36.3 | 7.8 | 43.1 | 1.6 | 11/380 |
| 55 | 31.9 | 9.9 | 48.5 | 15/380 |
| 78 | 26.4 | 12.4 | 45.4 | 18.5/380 |
| 960 | 22 | 15.7 | 2.2 | 43.1 | 0.8 | 4/380 |
| 36 | 13.8 | 2.8 | 48.5 | 4/380 |
| 51 | 11.4 | 3.5 | 45.4 | 5.5/380 |
| 40DT-25 [a] | 2950 | 35.5 | 88.6 | 20.7 | 41.3 | - | 30/380 |
| 58.5 | 73.5 | 27.7 | 42.5 | 37/380 |
| 74.7 | 60.8 | 31.2 | 39.6 | 45/380 |
| 1440 | 17.3 | 21.1 | 2.4 | 41.3 | 2.6 | 4/380 |
| 28.7 | 17.5 | 3.2 | 42.5 | 5.5/380 |
| 36.5 | 14.5 | 3.6 | 39.6 | 5.5/380 |
| 40DT-20B | 2930 | 16.6 | 57.5 | 6.4 | 40.9 | 3.5 | 11/380 |
| 33.3 | 49.9 | 8.5 | 53.0 | 15/380 |
| 37.1 | 47.1 | 9.2 | 52.0 | 15/380 |
| 1430 | 8.1 | 13.7 | 0.7 | 40.9 | 0.9 | 1.5/380 |
| 16.3 | 11.9 | 1.0 | 53.0 | 2.2/380 |
| 18.1 | 11.2 | 1.1 | 52.0 | 2.2/380 |
| 40DT-19 | 2930 | 16.3 | 57.1 | 6.5 | 39.2 | 4.9 | 11/380 |
| 30.0 | 54.9 | 8.1 | 55.4 | 15/380 |
| 34.9 | 53.7 | 8.7 | 58.8 | 15/380 |
| 1400 | 7.8 | 13.0 | 0.7 | 39.2 | 1.2 | 1.5/380 |
| 14.3 | 12.5 | 0.9 | 55.4 | 1.5/380 |
| 16.7 | 12.3 | 1.0 | 58.8 | 2.2/380 |
| 40DT-17 | 2900 | 9.4 | 44.6 | 3.4 | 33.2 | 4.5 | 5.5/380 |
| 17.9 | 42.7 | 4.2 | 49.5 | 7.5/380 |
| 23.4 | 39.3 | 4.8 | 52.4 | 7.5/380 |
| 1400 | 4.6 | 10.4 | 0.4 | 33.2 | 2.5 | 0.75/380 |
| 8.6 | 10.0 | 0.5 | 49.5 | 1.1/380 |
| 11.3 | 9.2 | 0.5 | 52.4 | 1.1/380 |
| 25DT-25 | 1440 | 9.6 | 21.6 | 1.7 | 33.2 | 7.1 | 3/380 |
| 17.8 | 16.6 | 2.1 | 38.0 | 4/380 |
| 19.9 | 13.9 | 2.1 | 33.8 | 4/380 |
| 910 | 6.0 | 8.6 | 0.4 | 33.2 | 3.3 | 0.75/380 |
| 11.2 | 6.6 | 0.5 | 38.0 | 1.1/380 |
| 12.5 | 5.5 | 0.6 | 33.8 | 1.1/380 |
| 25DT-15 | 2900 | 9.2 | 34.4 | 2.6 | 32.7 | 5.3 | 5.5/380 |
| 17.1 | 29.5 | 3.3 | 41.8 | 5.5/380 |
| 19.3 | 27.1 | 3.5 | 40.8 | 5.5/380 |
| 1390 | 4.4 | 7.9 | 0.3 | 32.7 | 1.3 | 0.55/380 |
| 8.2 | 6.8 | 0.4 | 41.8 | 0.75/380 |
| 6.3 | 6.2 | 0.4 | 40.8 | 0.75/380
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