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| SNS120R42U12.1W21立式(shi)三螺杆泵在船(chuan)上用作輸送潤(run)滑油泵 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 發布時(shí)間:2015-6-24 17:05:37 點擊次數: | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
SNS120R42U12.1W21立(lì)式三螺杆泵在(zai)船上用作輸送(sòng)潤滑油泵
●SN三螺杆泵特點(diǎn):SN three screw pump features: 1.轉子液壓平衡(heng),振動小,噪音低(dī)。1. The rotor of the hydraulic balance, little vibration, low noise. 2.輸出穩定,無脈(mo)動。2. The output is stable, no pulsation. 3.高效率。3. High efficiency. 4.具有(you)很強的自吸能(neng)力。4. Has a strong self-priming capacity. 5.零部件采用(yong)通用性強的系(xì)列化設計,具有(you)多種安㊙️裝方式(shi)。5. Parts versatility of seriation design, with a variety of installation. 6.結構緊湊,體積(ji)小,重量輕,可在(zai)較高轉速下工(gong)作。6. Compact structure, small volume, light weight, can work under high rotation speed.
●SN三螺杆泵輸(shu)送介質種類:Low SN three screw pump transmission medium type: a. 潤(run)滑性液體:如機(ji)械油,滑油,重油(you),渣油A. lubricate liquid, such as machine oil, lubricating oil, heavy oil, residual oil b. 低潤滑性(xìng)液體:如輕柴油(yóu),重柴油,含蠟稀(xī)油B. lower lubricity liquid, such as light diesel oil, heavy diesel oil, wax containing thin oil c. 粘性液體:如(ru)各種合成橡膠(jiao)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(gan)泵應用:Low SN three screw pump application: ·在供熱(rè)設備中用做燃(ran)油,燃油供應和(he)輸送泵。In heating equipment used as fuel, fuel supply and transfer pump. ·在機械(xie)工業中用做液(yè)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(xué)石油化工和食(shi)品工業中用做(zuò)裝載,輸送和🐆供(gong)🈲液🌈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、增壓(ya)、燃油噴射和潤(rùn)滑油泵以及📞船(chuán)用液壓🍉裝置泵(beng)。On the ship, used for conveying, pressurization, fuel injection, and lubricating oil pump and Marine hydraulic gear pump. 三螺杆泵(SN三螺(luo)杆泵,sm三螺杆泵(beng),spf三螺杆泵)選型(xing)時,要盡可能詳(xiang)盡地了解泵的(de)使用條件,除運(yun)行參數,如流量(liàng)、壓力須要弄清(qing)楚之外,輸送的(de)介質的特☔性如(rú)介質♉的腐🌈蝕性(xìng)㊙️,含氣量含固溶(róng)物的比率及固(gu)體顆粒的大小(xiǎo)以及介質的工(gōng)作溫度、粘度、比(bi)重對泵内過流(liu)元件的腐蝕性(xing)🌍等和泵裝置的(de)吸入🏒條件,安裝(zhuang)條件均要了解(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. 用戶可以填寫(xie)附在本樣本後(hou)的泵數據表,由(yóu)廠家負責選型(xíng)☂️,也可以根據樣(yang)本按以下步驟(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. 第一(yī), 确定泵的轉速(sù):(SN 系列螺杆泵的(de)極限轉速為<6000r.p.m)Determine the speed of the pump: (SN series screw pump limit speed for < 6000 r. p.) 1.螺(luó)杆泵轉速的選(xuǎn)擇以輸送介質(zhi)的粘度和泵的(de)規格确定🏃♂️轉速(su)♉範圍,一般輸送(sòng)高粘度介質時(shi),螺杆泵應選低(dī)轉速;若粘度㊙️低(dī) ,相應選擇高轉(zhuan)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(gé)的螺杆泵(主杆(gǎn)外徑∮60mm 以上)For the large size of screw pump (more than 30 main stem diameter of 60 mm)
介質(zhì)粘度γ>20°E 時,轉速以(yǐ)970rpm 或720rpm 的螺杆泵。Medium viscosity gamma > 20 ° E, screw pump speed to 970 RPM and 720 RPM. 若(ruò)γ>80°E 如粘膠液,轉速(sù)可選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 對于小規格的(de)螺杆泵(主杆外(wài)徑∮60mm 以下):For small specifications of the screw pump (below 30 main stem diameter of 60 mm) : γ>20°E 時,n 選1450rpm 或(huò)970rpm的螺杆泵. 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.由于(yu)螺杆泵的轉速(sù)愈高摩擦功率(lü)愈高,螺杆泵的(de)磨損越🥰大♌,壽命(ming)越短,如果輸送(sòng)介質的潤滑性(xing)較差,或含有微(wei)量雜質,應選較(jiào)低轉速,使泵保(bao)持較長的使用(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. 第二(er), 結構形式的選(xuan)擇The choice of the form of structure 結構的選擇(zé)可根據螺杆泵(beng)的運行環境和(he)安裝環✨境,選☀️擇(ze)合适的安裝形(xíng)式并遵循以下(xià)的原則: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(run)滑性油類,且溫(wēn)度T<80℃時,選擇内置(zhì)軸承結構的螺(luó)杆泵。1. Conveyor lubrication oil, and temperature T < 80 ℃, choose built-in bearing structure of the screw pump. 2. 輸送潤滑(huá)性較差,或溫度(du)T>80℃時,選擇外置軸(zhou)承結構的螺杆(gan)泵。2. The conveyor lubrication is poorer, or temperature T > 80 ℃, select external bearing structure of the screw pump. 3. 輸送流動性(xìng)差,粘度高的介(jie)質或對所輸送(sòng)介質進🔴行🐕加熱(re)或保溫時,選雙(shuang)層加熱泵體結(jié)構的螺杆泵。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(shū)送高溫介質時(shí),應選擇耐高溫(wēn)的材料制成的(de)泵⚽或局部冷卻(que)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(yú)螺杆泵的吸入(ru)能力可查閱樣(yàng)本。5. About the screw pump suction capacity can refer to the samples. 第三, 螺杆泵(beng)材料組合的選(xuǎn)擇 見上表Third, the choice of the screw pump material combination See the table above 第四(si), 螺杆泵的吸上(shàng)能力Fourth, the screw pump suction on ability 通過降低(di)轉速或加熱降(jiàng)低介質黏度的(de)方法,可達到高(gāo)的吸💘上性能,見(jian)NPSHR 表By reducing the speed or heating medium viscosity reduction methods, can achieve high on absorption performance, see the NPSHR table 第五,配套電(dian)機的選配Fifth, motor selection 螺杆(gǎn)泵的型号選定(ding)後,根據樣本數(shù)據,可查到泵的(de)軸功率N,該軸功(gong)率再加上一定(ding)的功率儲備後(hou),作為選配電機(ji)的依💜據,一般電(diàn)機功率Nm 不小于(yú)泵軸功率N 乘以(yǐ)功率儲備系數(shu)K 所得的值即:Nm≥K·N。K 值(zhi)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
三螺杆泵能夠(gou)在不同的行業(ye)中使用,在其中(zhong)能夠發揮🎯重要(yao)的🌈作用和性能(néng),在行業中能夠(gou)充分展現良好(hǎo)📐的性能優勢,在(zai)産業💔性能中發(fā)揮重要的作用(yong)和貢獻。下面從(cong)特點.困油及措(cuò)施不平衡等方(fāng)面向大家介紹(shào)一下三螺杆泵(bèng)(3GR三螺杆泵,SNH三螺(luó)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(luo)杆泵(3GR三螺杆泵(beng),SNH三螺杆泵)的均(jun)勻流量與齒數(shu)成正比,而與模(mó)數的平方成比(bǐ)⭐例。體積小☔,重量(liang)輕,結構簡樸,制(zhi)造利便,價格低(dī),工作可靠,自吸(xi)機能較好,對油(you)液污染不敏感(gǎn),維護利便等。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(san)螺杆泵的流量(liàng)與齒寬成正比(bǐ),但齒寬的增大(da)受💃齒⭕輪所受💃🏻液(ye)壓徑向力增加(jiā)的限制,一般取(qǔ)齒寬B=(6~10)m,高壓時取(qǔ)小值。另外,在容(rong)積式液壓泵中(zhong),三螺杆泵♋的🍓流(liu)量脈動🐪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(jìn)步轉速可以進(jin)步泵的流量,但(dàn)受泵吸入機能(neng)的限制。齒輪泵(beng)的轉速一般在(zai)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、三螺杆泵(3GR三螺(luó)杆泵,SNH三螺杆泵(beng))壓力的措施 端(duān)面間隙自動補(bu)償原理: 利用特(te)制的通道把三(sān)螺杆泵内壓油(you)腔的壓力油⭐引(yǐn)到浮動軸套的(de)外側,作用在一(yi)定外形和大小(xiao)的💁面積上,産👌生(shēng)液㊙️壓作🔴用力,使(shǐ)軸套壓向齒輪(lún)端面,這個力必(bi)✨需大于齒輪端(duan)面作用在軸套(tao)🌈内側的作用力(lì),才能保證在各(gè)種壓力下,軸套(tào)始終自動貼緊(jin)齒🔴輪端面,減小(xiao)🌂三螺杆泵内通(tong)過端面的洩漏(lou),達到進步壓力(lì)的目的。其缺點(diǎn)是:流量和壓力(lì)脈動較大,噪聲(shēng)大,排量不可變(biàn)🛀等。 3.三螺杆泵(3GR三(sān)螺杆泵,SNH三螺杆(gǎn)泵)的困油現象(xiang)及卸荷 困油現(xian)象的危害: 使閉(bì)死容積中的壓(yā)力急劇升高,使(shǐ)軸承受到很大(da)的🔱附🔞加載荷,同(tong)時産生功率損(sǔn)失及液體發燒(shāo)等不良現象;溶(róng)解于液體中的(de)空氣便析生産(chan)氣憤泡,産氣憤(fèn)蝕現象,引👉起振(zhen)動和噪聲。 消除(chú)困油現象: 在三(san)螺杆泵(3GR三螺杆(gan)泵,SNH三螺杆泵)的(de)側闆上或浮動(dong)軸套上開卸荷(he)槽。非對稱式,必(bi)需保證🐆在任何(he)⁉️時候都不能使(shǐ)吸油腔與壓油(you)腔相互串通;這(zhe)樣的齒輪泵不(bú)能反轉。三螺杆(gǎn)泵(3GR三螺杆泵,SNH三(sān)螺杆泵)在使用(yong)中注意不同形(xing)式的特點和性(xing)能,在使用中📞經(jīng)常出現不同的(de)問題和反應,在(zai)使用中保證正(zheng)常的使用,出現(xian)問題及♻️時進行(hang)解決,對不同的(de)方面進行控制(zhì)🐉,按照正👈常的方(fāng)式進行。
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