SNH280R43U12.1W21磨煤機潤滑(hua)油泵參數表(biǎo)

●SN三螺杆泵特(te)點：SN three screw pump features:

   1.轉子液壓(ya)平衡，振動小(xiǎo)，噪音低。1. The rotor of the hydraulic balance, little vibration, low noise.

   2.輸出(chu)穩定，無脈動(dong)。2. The output is stable, no pulsation.

   3.高效率。3. High efficiency.

   4.具有(you)很強的自吸(xī)能力。4. Has a strong self-priming capacity.

   5.零部件(jiàn)采用通用性(xing)強的系列化(huà)設計，具有多(duo)種安裝方式(shi)。5. Parts versatility of seriation design, with a variety of installation.

   6.結構緊湊，體(ti)積小，重量輕(qīng)，可在較高轉(zhuan)速下工作。6. Compact structure, small volume, light weight, can work under high rotation speed.

●SN三(san)螺杆泵輸送(song)介質種類：Low SN three screw pump transmission medium type:

　a. 潤(run)滑性液體：如(rú)機械油，滑油(you)，重油，渣油A. lubricate liquid, such as machine oil, lubricating oil, heavy oil, residual oil

　b. 低(dī)潤滑性液體(tǐ)：如輕柴油，重(zhong)柴油，含蠟稀(xi)油B. lower lubricity liquid, such as light diesel oil, heavy diesel oil, wax containing thin oil

　c. 粘性液體(ti)：如各種合成(cheng)橡膠液和人(ren)造膠液，乳化(hua)液C. viscous liquid, such as various kinds of synthetic rubber and synthetic rubber, emulsion

●SN三螺杆泵(bèng)應用：Low SN three screw pump application:

　·在供熱(re)設備中用做(zuò)燃油，燃油供(gong)應和輸送泵(beng)。In heating equipment used as fuel, fuel supply and transfer pump.

　·在機械工業(yè)中用做液壓(yā)，潤滑和搖控(kòng)馬達泵。In the mechanical industry used as hydraulic, lubrication pump and the remote control motors.

　·在化(hua)學石油化工(gōng)和食品工業(ye)中用做裝載(zǎi)，輸送和供液(yè)泵。In the chemical, petrochemical and food industries used as loading, transportation and feed liquid pump.

　·在船舶上(shàng)用做輸送、增(zēng)壓、燃油噴射(she)和潤滑油泵(beng)以及船📐用液(yè)壓裝置泵。On the ship, used for conveying, pressurization, fuel injection, and lubricating oil pump and Marine hydraulic gear pump.

   三(sān)螺杆泵(SN三螺(luó)杆泵,sm三螺杆(gǎn)泵,spf三螺杆泵(bèng))選型時，要盡(jin)可能詳盡地(dì)了解泵的使(shǐ)用條件，除運(yun)行參數，如🔞流(liú)量、壓力須要(yao)弄清楚之外(wài)，輸送的介質(zhi)的特性如介(jiè)質的腐蝕性(xìng)，含氣量含固(gù)溶物的比率(lü)🌏及固體顆粒(li)的大小以及(ji)介質的工作(zuo)溫度、粘度、比(bi)重對泵内⛱️過(guò)流元件📧的腐(fǔ)蝕性等和泵(bèng)裝置的吸入(ru)🧡條件，安裝條(tiao)件均要了解(jie)。Three-screw pump (SN three screw pump, three screw pump, sm SPF three screw pump selection, should understand the using condition of pump as much detail as possible, in addition to the operating parameters, such as flow rate, pressure need to figure out, transmission characteristics, such as corrosive medium, the medium of air content of solid solution and the ratio of the size of the solid particles as well as the working temperature, medium viscosity, specific gravity within the pump flow components of corrosive and pump suction conditions, such as the installation conditions are to understand.

   用戶可以填(tián)寫附在本樣(yàng)本後的泵數(shù)據表，由廠家(jia)負責選型👣，也(yě)👉可以根據樣(yang)本按以下步(bù)驟自行選型(xing)。User can fill in the attached to this sample after pump data sheets, the manufacturer shall be responsible for the selection, can also according to the sample, follow these steps to selection.

   第一， 确定泵(beng)的轉速：（SN 系列(lie)螺杆泵的極(jí)限轉速為＜6000r.p.m）Determine the speed of the pump: (SN series screw pump limit speed for < 6000 r. p.)

   1．螺(luo)杆泵轉速的(de)選擇以輸送(sòng)介質的粘度(dù)和泵的規格(gé)确定轉速範(fàn)圍，一般輸送(song)高粘度介質(zhì)時，螺杆泵㊙️應(ying)選低轉速；若(ruo)🚶‍♀️粘度低 ，相🈲應(ying)選擇高轉速(sù)。The rotational speed of screw pump selection for medium viscosity and determine speed range of the specifications of the pump, transmission of high viscosity media in general, the screw pump should choose low speed;If the low viscosity, high speed accordingly.

   對于大規格(ge)的螺杆泵（主(zhu)杆外徑∮60mm 以上(shang)）For the large size of screw pump (more than 30 main stem diameter of 60 mm)

   介質粘度γ＞20°E 時(shi)，轉速以970rpm 或720rpm 的(de)螺杆泵。Medium viscosity gamma > 20 ° E, screw pump speed to 970 RPM and 720 RPM.

   若γ＞80°E 如(rú)粘膠液，轉速(su)可選n=200~500rpm的螺杆(gǎn)泵If gamma > 80 ° E, such as viscose, of optional n = 200 ~ 500 RPM of the screw pump

   對于小規(guī)格的螺杆泵(beng)（主杆外徑∮60mm 以(yi)下）：For small specifications of the screw pump (below 30 main stem diameter of 60 mm) :

   γ＞20°E 時，n 選1450rpm 或970rpm的(de)螺杆泵. Gamma > 20 ° E, n selected 1450 RPM and 970 RPM of screw pump.

   γ＞80°E 時，n 選(xuan)300~600rpm的螺杆泵。Gamma > 80 ° E, n selected 300 ~ 600 RPM of the screw pump.

   2．由(you)于螺杆泵的(de)轉速愈高摩(mo)擦功率愈高(gāo)，螺杆泵的磨(mo)損🧑🏾‍🤝‍🧑🏼越大，壽命(mìng)越短，如果輸(shū)送介質的潤(run)滑性較差，或(huo)含有微量雜(zá)🌍質，應選較低(dī)轉速，使泵保(bǎo)持較長的使(shǐ)用壽命。推薦(jian)n＜1450rpm。Friction due to the higher the rotational speed of screw pump power, the higher the wear and tear of screw pump, the greater the shorter life, if the medium of lubricity is poorer, or trace impurities, should choose a lower speed, to keep pump with long service life.The recommended n < 1450 RPM.

   第二， 結構形(xing)式的選擇The choice of the form of structure

   結(jié)構的選擇可(kě)根據螺杆泵(bèng)的運行環境(jìng)和安裝環境(jing)，選🚶擇合适🏃🏻‍♂️的(de)安裝形式并(bìng)遵循以下的(de)原則：On the choice of structure based on the operating conditions of a screw pump and the installation environment, choosing the appropriate type of installation and follow the following principles:

   1． 輸送潤(rùn)滑性油類，且(qiě)溫度T＜80℃時，選擇(ze)内置軸承結(jie)構的螺杆泵(beng)。1. Conveyor lubrication oil, and temperature T < 80 ℃, choose built-in bearing structure of the screw pump.

   2． 輸送潤滑性(xing)較差，或溫度(dù)T＞80℃時，選擇外置(zhi)軸承結構的(de)螺杆泵。2. The conveyor lubrication is poorer, or temperature T > 80 ℃, select external bearing structure of the screw pump.

   3． 輸送(song)流動性差，粘(zhan)度高的介質(zhì)或對所輸送(song)介質進行🌐加(jia)熱或保溫時(shí)，選雙層加熱(re)泵體結構的(de)螺杆泵。3. Conveyor illiquid, high viscosity of the medium or the transport medium for heating or thermal insulation, choose double screw pump heat pump body structure.

   4． 輸送(song)高溫介質時(shi)，應選擇耐高(gao)溫的材料制(zhì)成的泵或局(jú)📧部冷卻的螺(luó)杆泵。4. High temperature medium, high temperature resistant materials should be selected for the pump or cooling screw pump.

   5． 關于螺(luó)杆泵的吸入(ru)能力可查閱(yuè)樣本。5. About the screw pump suction capacity can refer to the samples.

   第三， 螺(luo)杆泵材料組(zǔ)合的選擇 見(jian)上表Third, the choice of the screw pump material combination See the table above

   第四， 螺(luo)杆泵的吸上(shang)能力Fourth, the screw pump suction on ability

   通過降(jiàng)低轉速或加(jia)熱降低介質(zhi)黏度的方法(fa)，可達到高的(de)吸上性能，見(jiàn)NPSHR 表By reducing the speed or heating medium viscosity reduction methods, can achieve high on absorption performance, see the NPSHR table

   第五，配套(tao)電機的選配(pèi)Fifth, motor selection

   螺杆泵的型(xing)号選定後，根(gēn)據樣本數據(jù)，可查到泵的(de)軸功率N，該軸(zhóu)功率再加上(shang)一定的功率(lü)儲備後，作為(wei)選配電機的(de)依🧡據，一🐆般電(diàn)機功率Nm 不小(xiao)于泵軸功率(lǜ)N 乘以功率儲(chǔ)備系數K 所得(de)的值即：Nm≥K·N。K 值Screw pump model is selected, according to the sample data, the pump shaft power can be N, the shaft power plus the power of a certain reserve, as a basis for the matching machine, general motors power Nm not less than the pump shaft power N times the power reserve coefficient K of the proceeds of the value, namely: the Nm acuity k. N.K value