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| SNS120R42U12.1W21立式三螺杆泵(beng)在船上用作輸送(song)潤滑油泵 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 發布時(shí)間:2015-6-24 17:05:37 點擊次數: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SNS120R42U12.1W21立式(shi)三螺杆泵在船上(shàng)用作輸送潤滑油(yóu)泵
●SN三螺杆泵特(tè)點:SN three screw pump features: 1.轉子液壓平衡(héng),振動小,噪音低。1. The rotor of the hydraulic balance, little vibration, low noise. 2.輸(shū)出穩定,無脈動。2. The output is stable, no pulsation. 3.高(gāo)效率。3. High efficiency. 4.具有很強的(de)自吸能力。4. Has a strong self-priming capacity. 5.零部件(jiàn)采用通用性強的(de)系列化設計,具有(yǒu)多種安裝方式。5. Parts versatility of seriation design, with a variety of installation. 6.結(jie)構緊湊,體積小,重(zhòng)量輕,可在較高轉(zhuǎn)速下工作。6. Compact structure, small volume, light weight, can work under high rotation speed.
●SN三螺杆(gǎn)泵輸送介質種類(lèi):Low SN three screw pump transmission medium type: a. 潤滑性液體:如機(ji)械油,滑油,重油,渣(zhā)油A. lubricate liquid, such as machine oil, lubricating oil, heavy oil, residual oil b. 低潤滑性液體(ti):如輕柴油,重柴油(you),含蠟稀油B. lower lubricity liquid, such as light diesel oil, heavy diesel oil, wax containing thin oil c. 粘性液(yè)體:如各種合成橡(xiang)膠液和人造膠液(ye),乳化液C. viscous liquid, such as various kinds of synthetic rubber and synthetic rubber, emulsion
●SN三螺杆泵(beng)應用:Low SN three screw pump application: ·在供熱設備(bei)中用做燃油,燃油(you)供應和輸送泵。In heating equipment used as fuel, fuel supply and transfer pump. ·在(zài)機械工業中用做(zuò)液壓,潤滑和搖控(kòng)馬達泵。In the mechanical industry used as hydraulic, lubrication pump and the remote control motors. ·在化學石(shi)油化工和食品工(gong)業中用做裝載,輸(shu)送和供液泵。In the chemical, petrochemical and food industries used as loading, transportation and feed liquid pump. ·在船(chuán)舶上用做輸送、增(zeng)壓、燃油噴射和潤(rùn)滑油泵以✔️及船用(yòng)液壓裝置泵。On the ship, used for conveying, pressurization, fuel injection, and lubricating oil pump and Marine hydraulic gear pump. 三螺(luo)杆泵(SN三螺杆泵,sm三(sān)螺杆泵,spf三螺杆泵(beng))選型時,要盡可能(néng)詳盡地了解泵的(de)使用條件,除運行(hang)參數,如流量、壓力(li)須要弄清楚之外(wài),輸送的介質的特(te)性如介質的腐蝕(shi)性,含氣量含固溶(rong)物的比率🚩及固體(ti)顆粒的大小以🏃♀️及(jí)介質的工作🐅溫度(du)、粘度、比重對泵内(nei)過流元件的腐蝕(shí)性等和泵裝置的(de)吸入條件,安裝條(tiáo)🔞件均要了解。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. 用戶(hù)可以填寫附在本(běn)樣本後的泵數據(jù)表,由廠家負責選(xuan)型,也可以根據樣(yàng)本按以下步驟自(zì)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. 第一, 确定(ding)泵的轉速:(SN 系列螺(luó)杆泵的極限轉速(su)為<6000r.p.m)Determine the speed of the pump: (SN series screw pump limit speed for < 6000 r. p.) 1.螺杆泵轉速的(de)選擇以輸送介質(zhi)的粘度和泵的規(guī)格确定轉🎯速範圍(wei),一般輸送高粘度(du)介質時,螺杆泵應(ying)選低轉速;若粘度(dù)低 ,相應選擇高轉(zhuǎn)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. 對于大規格的(de)螺杆泵(主杆外徑(jìng)∮60mm 以上)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 的螺杆(gǎn)泵。Medium viscosity gamma > 20 ° E, screw pump speed to 970 RPM and 720 RPM. 若γ>80°E 如粘膠液,轉(zhuan)速可選n=200~500rpm的螺杆泵(bèng)If gamma > 80 ° E, such as viscose, of optional n = 200 ~ 500 RPM of the screw pump 對于小規格的螺(luó)杆泵(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的螺杆(gan)泵. Gamma > 20 ° E, n selected 1450 RPM and 970 RPM of screw pump. γ>80°E 時,n 選300~600rpm的螺杆泵(bèng)。Gamma > 80 ° E, n selected 300 ~ 600 RPM of the screw pump. 2.由于螺杆泵的轉(zhuan)速愈高摩擦功率(lü)愈高,螺杆泵的磨(mó)損越大,壽命越短(duǎn),如果輸送介質的(de)潤滑性較差♊,或含(han)有微量雜質,應選(xuǎn)較低轉速,使泵保(bao)持較長的使用壽(shou)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. 第二, 結構(gòu)形式的選擇The choice of the form of structure 結構(gòu)的選擇可根據螺(luo)杆泵的運行環境(jìng)和安裝環境,選擇(ze)合适的安裝形式(shi)并遵循以下的原(yuán)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. 輸送潤滑性油(you)類,且溫度T<80℃時,選擇(zé)内置軸承結構的(de)螺杆泵。1. Conveyor lubrication oil, and temperature T < 80 ℃, choose built-in bearing structure of the screw pump. 2. 輸送潤滑(hua)性較差,或溫度T>80℃時(shi),選擇外置軸承結(jié)構的螺杆泵。2. The conveyor lubrication is poorer, or temperature T > 80 ℃, select external bearing structure of the screw pump. 3. 輸送(sòng)流動性差,粘度高(gāo)的介質或對所輸(shū)送介質進行加熱(re)或保溫時,選雙層(céng)加熱泵體結構的(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. 輸送高溫(wen)介質時,應選擇耐(nai)高溫的材料制成(cheng)的泵或🧑🏽🤝🧑🏻局部冷卻(què)😄的螺杆泵。4. High temperature medium, high temperature resistant materials should be selected for the pump or cooling screw pump. 5. 關于螺(luo)杆泵的吸入能力(li)可查閱樣本。5. About the screw pump suction capacity can refer to the samples. 第三(sān), 螺杆泵材料組合(he)的選擇 見上表Third, the choice of the screw pump material combination See the table above 第(di)四, 螺杆泵的吸上(shàng)能力Fourth, the screw pump suction on ability 通過降低轉(zhuan)速或加熱降低介(jiè)質黏度的方法,可(kě)達🏃♂️到高的吸上性(xìng)能,見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Fifth, motor selection 螺杆(gǎn)泵的型号選定後(hòu),根據樣本數據,可(ke)查到泵的軸功率(lü)N,該軸功率再加上(shàng)一定的功率儲備(bei)後,作為選配電機(ji)的依據✂️,一般電機(ji)功率Nm 不小于泵軸(zhou)功率N 乘以功率儲(chǔ)備系數K 所得的值(zhi)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
三螺杆泵能(néng)夠在不同的行業(ye)中使用,在其中能(néng)夠📞發揮重要的作(zuò)用和性能,在行業(ye)中能夠充分展現(xiàn)良好的性能優勢(shì),在産業性能中發(fa)揮重要的作用🏃🏻♂️和(he)貢獻。下面從特點(diǎn).困油及措施不平(ping)衡等方面向大家(jia)介紹一下三螺杆(gan)泵(3GR三螺杆泵,SNH三螺(luo)杆泵). 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)三螺杆(gǎn)泵(3GR三螺杆泵,SNH三螺(luó)杆泵)的均勻流量(liàng)與齒數成正比,而(er)與模數的平方成(cheng)比例。體積小,重量(liang)輕,結構簡樸,制造(zào)利便,價格低,工作(zuo)可靠,自吸機能較(jiào)好,對油液污染不(bú)敏感,維護利便🌈等(deng)。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)三螺杆泵的流量(liàng)與齒寬成正比,但(dan)齒寬的增大受📧齒(chǐ)輪🐉所受💁液壓徑向(xiang)力增加的限制,一(yī)般取齒寬B=(6~10)m,高壓時(shi)取小值。另外,在容(rong)積式液壓泵中,三(sān)螺杆泵的流量脈(mo)動最大。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)進步轉速(sù)可以進步泵的流(liú)量,但受泵吸入機(jī)能的限制。齒輪泵(beng)的轉速一般在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(san)螺杆泵(3GR三螺杆泵(bèng),SNH三螺杆泵)壓力的(de)措施 端面間隙自(zì)動補償原理: 利用(yòng)特制的通道把三(sān)螺杆泵内壓油腔(qiāng)的壓力油🌂引到浮(fu)動👣軸套的外側,作(zuo)用在一定外形和(he)大小的面積上,産(chan)生液壓作用力,使(shǐ)軸套壓向齒輪端(duan)面,這🌈個力必需大(dà)于齒輪端♻️面作用(yòng)在軸套内側的作(zuò)用力,才能保證在(zai)各種壓力下,軸🌍套(tào)始終自動貼緊齒(chǐ)🌈輪端面,減小三螺(luo)杆泵内通過端面(miàn)的💋洩漏,達到進步(bu)壓力的目的。其缺(que)點是:流量和壓力(lì)脈動較大,噪聲大(dà),排量不可變等。 3.三(sān)螺杆泵(3GR三螺杆泵(bèng),SNH三螺杆泵)的困油(you)現象及卸荷 困油(you)現象的危害: 使閉(bi)死容積中的壓力(lì)急劇升高,使軸承(cheng)受到很大的附🥰加(jiā)🔅載荷,同時産生功(gōng)率損失及液體發(fā)燒等不💯良現象;溶(rong)解于液體中的空(kōng)氣便析生産氣憤(fen)泡,産🌈氣憤蝕💚現象(xiàng),引起振動和噪聲(shēng)。 消除困油現象: 在(zai)三螺杆泵(3GR三螺杆(gǎn)泵,SNH三螺杆泵)的側(ce)闆上或浮動軸套(tào)上開卸荷槽。非對(dui)稱式,必需保證在(zai)🔞任何時候都不能(neng)使吸油腔與壓油(you)腔相互✨串通;這樣(yàng)的齒輪泵不能反(fan)轉。三螺杆泵(3GR三螺(luo)杆泵,SNH三螺杆泵)在(zài)使用中注意不同(tong)形式的特點和性(xìng)能,在使用中經常(chang)出現不同的問題(ti)和反應,在使用中(zhōng)保證正常的使用(yòng),出🙇🏻現問🚶題及時進(jìn)行解決,對不同的(de)方面進行控制,按(an)照正常的方式進(jin)行。
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