| SNS120R42U12.1W21立(li)式三螺杆泵(bèng)在船上用作(zuo)輸送潤滑油(yóu)泵 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 發布時間(jian):2015-6-24 17:05:37 點擊次數: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SNS120R42U12.1W21立(li)式三螺杆泵(beng)在船上用作(zuo)輸送潤滑油(you)泵
●SN三(san)螺杆泵特點(diǎn):SN three screw pump features: 1.轉子液壓平(ping)衡,振動小,噪(zào)音低。1. The rotor of the hydraulic balance, little vibration, low noise. 2.輸出穩(wen)定,無脈動。2. The output is stable, no pulsation. 3.高(gao)效率。3. High efficiency. 4.具有很(hen)強的自吸能(neng)力。4. Has a strong self-priming capacity. 5.零部件采(cai)用通用性強(qiang)的系列化設(she)計,具有多種(zhǒng)安⛷️裝方式。5. Parts versatility of seriation design, with a variety of installation. 6.結(jie)構緊湊,體積(jī)小,重量輕,可(kě)在較高轉速(sù)下工作。6. Compact structure, small volume, light weight, can work under high rotation speed.
●SN三螺(luó)杆泵輸送介(jie)質種類:Low SN three screw pump transmission medium type: a. 潤滑(huá)性液體:如機(ji)械油,滑油,重(zhòng)油,渣油A. lubricate liquid, such as machine oil, lubricating oil, heavy oil, residual oil b. 低潤(rùn)滑性液體:如(rú)輕柴油,重柴(chai)油,含蠟稀油(you)B. lower lubricity liquid, such as light diesel oil, heavy diesel oil, wax containing thin oil c. 粘性液體:如(rú)各種合成橡(xiang)膠液和人造(zao)膠液,乳化液(ye)C. viscous liquid, such as various kinds of synthetic rubber and synthetic rubber, emulsion
●SN三螺杆泵應(yīng)用:Low SN three screw pump application: ·在供熱設(she)備中用做燃(ran)油,燃油供應(ying)和輸送泵。In heating equipment used as fuel, fuel supply and transfer pump. ·在(zai)機械工業中(zhong)用做液壓,潤(rùn)滑和搖控馬(mǎ)達泵。In the mechanical industry used as hydraulic, lubrication pump and the remote control motors. ·在化學(xue)石油化工和(he)食品工業中(zhong)用做裝載,輸(shu)送和供液📱泵(beng)。In the chemical, petrochemical and food industries used as loading, transportation and feed liquid pump. ·在船舶上用(yòng)做輸送、增壓(yā)、燃油噴射和(hé)潤滑油泵以(yi)及船用液壓(ya)裝置泵。On the ship, used for conveying, pressurization, fuel injection, and lubricating oil pump and Marine hydraulic gear pump. 三螺(luó)杆泵(SN三螺杆(gan)泵,sm三螺杆泵(bèng),spf三螺杆泵)選(xuan)型時,要盡可(ke)能詳盡地了(le)解泵的使用(yong)條件,除運行(háng)♋參數,如流量(liàng)、壓力須要弄(nong)清楚之外,輸(shū)送的介質的(de)特性如介質(zhi)的腐蝕性,含(han)氣量含固溶(rong)物的比率及(ji)固體顆粒的(de)大小以💚及介(jiè)質的工作溫(wēn)度、粘度、比重(zhòng)對泵内過流(liu)元件的腐蝕(shi)性等和泵裝(zhuang)置的吸入條(tiáo)件,安裝條件(jian)均要了解。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(yong)戶可以填寫(xie)附在本樣本(ben)後的泵數據(jù)表,由廠家負(fù)責選型,也可(kě)以根據樣本(běn)按以下步驟(zhou)自行選型。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(di)一, 确定泵的(de)轉速:(SN 系列螺(luo)杆泵的極限(xiàn)轉速為<6000r.p.m)Determine the speed of the pump: (SN series screw pump limit speed for < 6000 r. p.) 1.螺杆(gǎn)泵轉速的選(xuan)擇以輸送介(jie)質的粘度和(hé)泵的規格确(que)✉️定🈲轉速範圍(wéi),一般輸送高(gāo)粘度介質時(shi),螺杆泵應選(xuan)低轉速;若粘(zhan)度低 ,相應選(xuǎn)擇高轉速。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(duì)于大規格的(de)螺杆泵(主杆(gǎn)外徑∮60mm 以上)For the large size of screw pump (more than 30 main stem diameter of 60 mm)
介(jiè)質粘度γ>20°E 時,轉(zhuǎn)速以970rpm 或720rpm 的螺(luo)杆泵。Medium viscosity gamma > 20 ° E, screw pump speed to 970 RPM and 720 RPM. 若γ>80°E 如粘(zhān)膠液,轉速可(kě)選n=200~500rpm的螺杆泵(beng)If gamma > 80 ° E, such as viscose, of optional n = 200 ~ 500 RPM of the screw pump 對于小規格(gé)的螺杆泵(主(zhǔ)杆外徑∮60mm 以下(xia)):For small specifications of the screw pump (below 30 main stem diameter of 60 mm) : γ>20°E 時,n 選1450rpm 或970rpm的螺(luo)杆泵. Gamma > 20 ° E, n selected 1450 RPM and 970 RPM of screw pump. γ>80°E 時,n 選300~600rpm的(de)螺杆泵。Gamma > 80 ° E, n selected 300 ~ 600 RPM of the screw pump. 2.由于(yu)螺杆泵的轉(zhuǎn)速愈高摩擦(cā)功率愈高,螺(luo)杆泵的✂️磨損(sun)🔆越💋大,壽命越(yuè)短,如果輸送(sòng)介質的潤滑(hua)性較差,或含(hán)有微量雜質(zhi),應選較低轉(zhuǎn)速,使泵保持(chí)較長的使用(yòng)壽命。推薦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(dì)二, 結構形式(shi)的選擇The choice of the form of structure 結構(gou)的選擇可根(gen)據螺杆泵的(de)運行環境和(hé)安裝環💁境,選(xuǎn)擇合适✌️的安(ān)裝形式并遵(zūn)循以下的原(yuan)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. 輸送潤滑(huá)性油類,且溫(wen)度T<80℃時,選擇内(nèi)置軸承結構(gou)的螺杆泵。1. Conveyor lubrication oil, and temperature T < 80 ℃, choose built-in bearing structure of the screw pump. 2. 輸(shu)送潤滑性較(jiào)差,或溫度T>80℃時(shi),選擇外置軸(zhou)承結構的螺(luó)杆泵。2. The conveyor lubrication is poorer, or temperature T > 80 ℃, select external bearing structure of the screw pump. 3. 輸送流(liu)動性差,粘度(du)高的介質或(huò)對所輸送介(jie)質進行加熱(rè)或保🔞溫時,選(xuan)雙層加熱泵(beng)體結構的螺(luo)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. 輸送高(gao)溫介質時,應(ying)選擇耐高溫(wen)的材料制成(chéng)的泵或局部(bu)冷卻的螺杆(gǎn)泵。4. High temperature medium, high temperature resistant materials should be selected for the pump or cooling screw pump. 5. 關于螺杆(gan)泵的吸入能(neng)力可查閱樣(yang)本。5. About the screw pump suction capacity can refer to the samples. 第三, 螺杆(gǎn)泵材料組合(he)的選擇 見上(shàng)表Third, the choice of the screw pump material combination See the table above 第四, 螺杆(gǎn)泵的吸上能(neng)力Fourth, the screw pump suction on ability 通過降低(di)轉速或加熱(rè)降低介質黏(nian)度的方法,可(ke)達到高的吸(xi)上性能,見NPSHR 表(biǎo)By reducing the speed or heating medium viscosity reduction methods, can achieve high on absorption performance, see the NPSHR table 第五,配套電(diàn)機的選配Fifth, motor selection 螺(luo)杆泵的型号(hao)選定後,根據(ju)樣本數據,可(kě)查到泵的🐉軸(zhou)👅功率N,該軸功(gong)率再加上一(yi)定的功率儲(chǔ)備後,作為選(xuan)配電機的依(yi)據,一✏️般電機(jī)功率Nm 不小于(yú)泵軸功率N 乘(chéng)以功率儲備(bèi)系數K 所得的(de)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
三螺(luo)杆泵能夠在(zài)不同的行業(ye)中使用,在其(qí)中能夠發揮(huī)重要的作用(yòng)和性能,在行(háng)業中能夠充(chōng)分展現良好(hǎo)的性能優勢(shi),在産業性能(néng)中發揮重要(yào)的作用和貢(gong)獻。下面從特(tè)點.困油及措(cuo)施不平衡等(deng)方面向大家(jia)介紹一下三(san)螺杆泵(3GR三螺(luó)杆泵,SNH三螺杆(gǎn)泵). Three screw pump can be used in different industries, in which can play an important role and performance, can fully show the good performance advantages in the industry, play an important role in industry performance and contribution.From below. Trapped oil and measures unbalance introduce three screw pump (3 gr three screw pump, three screw pump SNH).
1. 特點:1. Features: 1)三螺(luo)杆泵(3GR三螺杆(gǎn)泵,SNH三螺杆泵(beng))的均勻流量(liang)與齒數成正(zheng)比,而與模數(shu)的平方成比(bǐ)例。體積小,重(zhòng)量輕,結構簡(jiǎn)樸,制造利便(biàn),價格低,工作(zuo)可靠,自吸♋機(jī)能較好,對油(yóu)液污染不敏(mǐn)感,維護利便(biàn)等。1) the three screw pump (3 gr three screw pump, three screw pump SNH) uniform flow rate is proportional to the number of teeth, and with the square of the modulus ratio.Small volume, light weight, simple structure, manufacture, then, low prices, reliable work, self-priming function is good, is not sensitive to oil pollution, maintenance, etc. 2)三螺杆泵(beng)的流量與齒(chi)寬成正比,但(dàn)齒寬的增大(da)受齒輪所受(shòu)液🏃♀️壓徑向力(lì)增加的限制(zhi),一般取齒寬(kuān)B=(6~10)m,高壓時取小(xiao)值。另外,在容(rong)積式液壓泵(beng)中,三螺杆泵(beng)的流量脈動(dong)最大。2) three screw pump flow rate is proportional to the tooth width, but the increase of tooth width is restricted by the hydraulic radial force increased by gear, generally take tooth width B = (6 ~ 10) m, when the high pressure of little value.In addition, in the positive displacement hydraulic pump, three screw pump flow pulsation is the largest. 3)進步轉(zhuan)速可以進步(bù)泵的流量,但(dàn)受泵吸入機(jī)能的限制。齒(chi)輪泵的轉速(sù)一般在1000~1500r/min。3) progress speed can progress the flow of the pump, but restricted by pump suction function.The speed of the gear pump is in commonly 1000 ~ 1500 r/min. 2、三螺(luó)杆泵(3GR三螺杆(gǎn)泵,SNH三螺杆泵(beng))壓力的措施(shi) 端面間隙自(zì)動補償原理(li): 利用特制的(de)通道把三螺(luo)杆泵内壓油(you)腔的壓力油(you)引到‼️浮動軸(zhou)套的外側,作(zuo)用在一定外(wài)形和大小的(de)面積上,産生(shēng)液壓作用力(li),使軸套壓向(xiàng)齒輪端面,這(zhe)個力必需大(da)于齒輪端🌈面(miàn)作用☔在軸套(tào)内側的作用(yòng)力,才能保證(zhèng)在各種壓力(lì)下,軸🤟套始終(zhong)自動貼緊齒(chǐ)輪端面,減小(xiao)三螺杆泵内(nèi)通過端面的(de)洩漏,達到進(jìn)👈步壓力的目(mù)的。其缺點是(shì):流量⛷️和壓力(lì)脈動較大,噪(zao)聲大,排量不(bu)可變⛹🏻♀️等。 3.三螺(luó)杆泵(3GR三螺杆(gan)泵,SNH三螺杆泵(beng))的困油現象(xiàng)及卸荷 困油(yóu)現象的危害(hai): 使閉死容積(jī)中的壓力急(jí)劇升高,使軸(zhou)承受到很大(da)的附加載荷(hé),同時産生功(gong)率損失及液(ye)體發燒等不(bu)良現象;溶解(jiě)于✔️液體中的(de)空氣便析生(shēng)産氣憤泡,産(chǎn)🧑🏾🤝🧑🏼氣憤蝕🚶♀️現象(xiàng),引起振動💋和(hé)噪聲。 消除困(kùn)油現象: 在三(san)螺杆泵(3GR三螺(luó)杆泵,SNH三螺杆(gan)泵)的側闆上(shàng)或浮動軸套(tao)上開卸荷槽(cao)。非對稱式,必(bi)需保證在任(rèn)何時候都不(bu)能使吸油腔(qiāng)與壓油腔相(xiàng)互串通;這樣(yang)的齒輪泵不(bú)能反轉。三螺(luo)杆泵(3GR三螺杆(gǎn)泵,SNH三螺杆泵(beng))在使用中注(zhu)意不同形式(shì)的特點和性(xìng)能,在使用中(zhong)經常📱出現不(bu)同的問題和(hé)反應,在使用(yòng)中保證正常(chang)的使⚽用,出現(xian)問題及時進(jin)行解決,對不(bú)同的方面進(jìn)行控制,按照(zhào)正常的方式(shì)進行。
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