HSNH120-42三螺桿泵、質(zhì)量 價(jià)格全有保障
HSN三螺桿泵選型步驟及注意事項(xiàng)
HSN three screw pump selection steps and matters needing attention
1、首先要準(zhǔn)確了解HSN三螺桿泵的實(shí)際工作參數(shù),如壓力、流量、介質(zhì)的工作溫度及介質(zhì)在工作溫度下的粘度、介質(zhì)有無潤滑性、腐蝕性等;
1, we should accuray understand the actual working parameters of the HSN three screw pump, such as the temperature and medium pressure, flow rate, medium viscosity at operating temperature, medium with and withoutlubrication, corrosion resistance;
2、根據(jù)介質(zhì)在工作溫度下的粘度初步選擇泵的轉(zhuǎn)速,一般粘度小于300mm2/s,選擇n=1450r/min比較適合,當(dāng)粘度大于300mm2/s,請慎重考慮泵的必需汽蝕余量,以免泵產(chǎn)生振動(dòng);
Preliminary selection of pump 2, according to the media at the operating temperature of the viscosity of thespeed, the general viscosity is less than 300mm2/s, n=1450r/min is more suitable, when the viscosity is greater than 300mm2/s, please consider carefully pump necessary NPSH, lest the pump vibration;
3、從泵的性能表上,按所需流量、壓力等參數(shù)初步選擇泵的規(guī)格;
3, from the pump performance table, according to the required flow and pressure, the preliminary selection ofpump size;
4、從泵的必需汽蝕表(P15)上,根據(jù)泵的規(guī)格轉(zhuǎn)速粘度查出泵的必需汽蝕余量NPSHr值;
4, from the pump required NPSH table (P15), according to the size, speed, viscosity pump to pump necessary NPSH NPSHr value;
5、如果泵的必需汽蝕余量NPSHr值小于管道裝置的汽蝕余量NPSHa值,那么泵選型正確;如果泵的必需汽蝕余量NPSHr值大于管道裝置的汽蝕余量NPSHa值,則要選擇大一檔的泵或是降低轉(zhuǎn)速,并重新校合NPSHr值。NPSHr ≤ NPSHa+K(一般情況安全裕度 K取0.3—0.5m)
5, if the pump necessary NPSH NPSHr value is less than the pipeline device of NPSH NPSHa value, then the pumpselection is correct; if the pump necessary NPSH NPSHr value is greater than the pipeline device of NPSH NPSHa value, then to the choice of a pump or reduce speed, and re adjustment of NPSHr value. NPSHr ≤ NPSHa+K(general safety margin of K 0.3 - 0.5m)
6、選定泵的規(guī)格后,在對應(yīng)的粘度下,從表中查出此規(guī)格泵在工作壓力下△P下的流量與軸功率N1,選配電機(jī)功率N2,N2 ≥ K·N1。N1(Kw) ≤5 5<N1≤10 10<N1≤50 >50K 1.25 1.2 1.15 1.1
6, the selected pump specifications, in the corresponding viscosity, from the table to identify the specifications of the pump in the work pressure △ P under the flow and shaft power N1, matching motor power N2, N2 ≥ K · N1. N1(Kw) ≤ 55 < N1 < 1010 < N1 > 50K 1.25 1.2 1.15 1.1 50
7、用戶選定泵后,根據(jù)泵的規(guī)格與電機(jī)的機(jī)組配套尺寸進(jìn)行基礎(chǔ)施工設(shè)計(jì),進(jìn)出口管道必須與泵的進(jìn)出口相匹配。
7, the user selected pump, foundation construction design according to the unit size specification of pump and motor, import and export pipeline must match the import and export of pumps.
8、如果您需要,我們技術(shù)部可替您選型,您須提供以下數(shù)據(jù)
8, if you need,our technical department for you selection, you must provide the following data
泵的工作流量 Q
The work flow of the Q pump
介質(zhì)工作溫度 T
Medium temperature T
泵的進(jìn)口壓力(或真空度) P1
Pump inlet pressure (or vacuum) P1
泵的出口壓力 P2
Outlet pressure of P2 pump
工作溫度下介質(zhì)的粘度 v
The viscosity of V medium temperature
泵型號主要參數(shù)說明 | 分隔號 | 輔助參數(shù)說明 | |||||||||||
行業(yè)代號 | 系列代號 | 安裝方式 | 螺桿參數(shù)代號 | 軸承潤滑形式 | 進(jìn)出口相對位置 | 特殊要求 | 工作轉(zhuǎn)速 | 工作壓力 | |||||
規(guī)格代號 | 主桿螺旋方向 | 螺旋升角 | |||||||||||
C | HSN | H | 1300 | - | 42 | W | Z | T1 | / | 2P | 25 |
1.行業(yè)代號:無代號表示常規(guī)使用、C表示船舶、D表示電力、S表示石化,“”的含義為符合對應(yīng)行業(yè)特殊要求而進(jìn)行設(shè)計(jì)和生產(chǎn)的專業(yè)使用產(chǎn)品;
2. 安裝方式:H表示臥式安裝、F表示支架式安裝、S表示立式安裝、K表示浸沒式安裝;
3.規(guī)格代號:具體可參看性能參數(shù)表;
4.主桿螺旋方向:R表示主桿螺旋方向?yàn)橛倚ǔR?guī)使用)、L表示主桿螺旋方向?yàn)樽笮?/font>
5. 螺旋升角:具體可參看性能參數(shù)表;
6.軸承潤滑形式:無代號表示軸承內(nèi)置、W表示軸承外置;
7.進(jìn)出口相對位置:無代號表示右進(jìn)左出、Z表示左進(jìn)右出、D表示端進(jìn)上出,進(jìn)出口相對位置的方向標(biāo)準(zhǔn)為從驅(qū)動(dòng)(電機(jī))端向泵方向看,D進(jìn)出口相對位置無S和K兩種安裝方式;
8.特殊要求:無代號表示無特殊要求,T1、T2、T3……表示用戶有特殊要求,具體型號由我公司提供;
9.工作轉(zhuǎn)速:無代號表示4級電機(jī),同步轉(zhuǎn)速1500r/min,2P表示2級電機(jī),同步轉(zhuǎn)速3000r/min,6P表示6級電機(jī),同步轉(zhuǎn)速1000r/min,VF表示變頻調(diào)速電機(jī),轉(zhuǎn)速可調(diào);
10. 工作壓力:無代號表示工作壓力≤1.0MPa、25表示工作壓力≤2.5MPa、40表示工作壓力≤4.0MPa;
11.輔助參數(shù)項(xiàng)如果在用戶的技術(shù)協(xié)議、標(biāo)書等技術(shù)文件中有體現(xiàn)和要求,在型號中本項(xiàng)可不體現(xiàn)
公 司 名稱: | 黃山天曼泵業(yè)有限公司 |
姓名: | 程曉 (銷售 ) () |
辦 公 地址: | 中國 黃山市徽州區(qū)城北工業(yè)園 |
郵 編: | 245400 |
電 話: | 86-0559-7502919 |
傳 真: | 86-0559-2324433 |
移 動(dòng) : | |
郵 箱: | Hstmby01 |
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公司主頁: | http;//www.hstmby.comhttp://www.luogb.com http://www.cntmby.comhttp://www.tm-p.cc |
Company name: Mount Huangshan teamon pump industry limited company
Contact person: Mr. Cheng Xiao (Sales Manager) ()
Office address: China Huangshan City Huizhou area north of the City Industrial Park
Postal Code: 245400
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