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sns120r42u12.1w21立(lì)式三螺杆泵在船(chuán)上用作輸送潤滑油泵(bèng)
●sn三螺杆泵(bèng)特點:sn three screw pump features: 1.轉子(zǐ)液壓平衡(héng),振動小,噪(zào)音低。1. the rotor of the hydraulic balance, little vibration, low noise. 2.輸(shū)出穩定(dìng),無脈動。2. the output is stable, no pulsation. 3.高效(xiào)率(lǜ)。3. high efficiency. 4.具有很強(qiáng)的自(zì)吸能(néng)力(lì)。4. has a strong self-priming capacity. 5.零部件(jiàn)采用通用性強的系列化設計(jì),具有多種(zhǒng)安裝(zhuāng)方式(shì)。5. parts versatility of seriation design, with a variety of installation. 6.結構緊湊(còu),體積小,重(zhòng)量輕(qīng),可在(zài)較高(gāo)轉速(sù)下工作。6. compact structure, small volume, light weight, can work under high rotation speed.
●sn三(sān)螺杆(gǎn)泵輸送介(jiè)質種(zhǒng)類:low sn three screw pump transmission medium type: a. 潤滑(huá)性液體(tǐ):如機械(xiè)油,滑油(yóu),重油(yóu),渣(zhā)油a. lubricate liquid, such as machine oil, lubricating oil, heavy oil, residual oil b. 低潤(rùn)滑性液體:如輕(qīng)柴油,重(zhòng)柴(chái)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(rú)各(gè)種(zhǒng)合成(chéng)橡膠(jiāo)液(yè)和人造(zào)膠液,乳(rǔ)化液c. viscous liquid, such as various kinds of synthetic rubber and synthetic rubber, emulsion
●sn三(sān)螺杆泵應(yīng)用:low sn three screw pump application: ·在(zài)供熱(rè)設備(bèi)中用(yòng)做燃油,燃(rán)油供(gòng)應和(hé)輸送泵。in heating equipment used as fuel, fuel supply and transfer pump. ·在(zài)機械(xiè)工(gōng)業中用(yòng)做液壓,潤滑(huá)和(hé)搖控馬(mǎ)達(dá)泵。in the mechanical industry used as hydraulic, lubrication pump and the remote control motors. ·在(zài)化學石油(yóu)化工(gōng)和食品工業中用做(zuò)裝載(zǎi),輸送(sòng)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(sòng)、增壓(yā)、燃油噴射(shè)和潤滑油泵以及船(chuán)用液(yè)壓裝(zhuāng)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(bèng)(sn三螺杆(gǎn)泵,sm三螺(luó)杆泵(bèng),spf三(sān)螺杆泵(bèng))選型時(shí),要盡可(kě)能詳盡地了解(jiě)泵的(de)使用(yòng)條件(jiàn),除運行參(cān)數,如(rú)流量、壓力須要(yào)弄清楚(chǔ)之外,輸(shū)送的介質(zhì)的特(tè)性如介質的腐(fǔ)蝕性,含氣(qì)量含固溶物(wù)的比率(lǜ)及固體顆(kē)粒的(de)大小以及介質(zhì)的工作溫(wēn)度、粘(zhān)度、比重對(duì)泵内(nèi)過流元件的腐蝕性等和(hé)泵裝(zhuāng)置的吸入條件(jiàn),安裝條件均要(yào)了解(jiě)。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(yǐ)填寫附(fù)在本樣本後(hòu)的泵(bèng)數據(jù)表,由廠家(jiā)負責(zé)選型,也可(kě)以根(gēn)據樣本(běn)按以下(xià)步驟(zhòu)自(zì)行選型(xíng)。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(dìng)泵的轉(zhuǎn)速:(sn 系列螺杆(gǎn)泵的極限(xiàn)轉速(sù)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(bèng)轉速(sù)的選擇以輸送(sòng)介質(zhì)的粘度和(hé)泵的規(guī)格(gé)确定(dìng)轉速(sù)範圍,一(yī)般(bān)輸送高粘度介(jiè)質時,螺杆泵應(yīng)選低(dī)轉速;若粘(zhān)度低 ,相應選擇(zé)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. 對于大(dà)規格的(de)螺杆泵(主杆外徑∮60mm 以上(shàng))for the large size of screw pump (more than 30 main stem diameter of 60 mm)
介質粘度γ>20°e 時,轉(zhuǎn)速以970rpm 或(huò)720rpm 的螺杆(gǎn)泵。medium viscosity gamma > 20 ° e, screw pump speed to 970 rpm and 720 rpm. 若(ruò)γ>80°e 如粘膠液(yè),轉速可選(xuǎn)n=200~500rpm的螺杆泵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(主(zhǔ)杆(gǎn)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(shí),n 選1450rpm 或970rpm的螺杆泵. 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.由于螺杆泵的轉速(sù)愈(yù)高摩擦(cā)功率(lǜ)愈高,螺杆(gǎn)泵的(de)磨損越大,壽命越短(duǎn),如果輸送(sòng)介(jiè)質的潤(rùn)滑性(xìng)較差,或含(hán)有微量雜(zá)質,應(yīng)選較低轉速,使(shǐ)泵保持較長的(de)使用(yòng)壽(shòu)命。推薦(jiàn)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, 結構形式(shì)的選擇the choice of the form of structure 結(jié)構的(de)選擇(zé)可根據螺杆泵的運(yùn)行環境和安裝環境(jìng),選擇合(hé)适的安(ān)裝形(xíng)式(shì)并遵循(xún)以下的原(yuán)則(zé):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(lèi),且溫度(dù)t<80℃時(shí),選擇(zé)内置(zhì)軸(zhóu)承結構(gòu)的(de)螺杆泵(bèng)。1. conveyor lubrication oil, and temperature t < 80 ℃, choose built-in bearing structure of the screw pump. 2. 輸送(sòng)潤滑(huá)性較差,或(huò)溫度t>80℃時,選(xuǎn)擇外置軸承(chéng)結構的(de)螺杆(gǎn)泵(bèng)。2. the conveyor lubrication is poorer, or temperature t > 80 ℃, select external bearing structure of the screw pump. 3. 輸(shū)送流(liú)動性(xìng)差,粘度高(gāo)的介質或(huò)對所(suǒ)輸送介(jiè)質進行(háng)加熱或保溫時(shí),選雙(shuāng)層加熱泵(bèng)體(tǐ)結構(gòu)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. 輸送高溫介(jiè)質時(shí),應(yīng)選(xuǎn)擇耐高溫(wēn)的(de)材(cái)料制(zhì)成的泵或(huò)局部冷卻的螺杆泵(bèng)。4. high temperature medium, high temperature resistant materials should be selected for the pump or cooling screw pump. 5. 關于(yú)螺杆(gǎn)泵的(de)吸入能力可查(chá)閱樣(yàng)本。5. about the screw pump suction capacity can refer to the samples. 第(dì)三, 螺(luó)杆泵材料組合(hé)的選(xuǎn)擇 見(jiàn)上表(biǎo)third, the choice of the screw pump material combination see the table above 第四(sì), 螺(luó)杆(gǎn)泵(bèng)的(de)吸上能力(lì)fourth, the screw pump suction on ability 通過降低(dī)轉(zhuǎn)速或加(jiā)熱降低(dī)介質黏度的方法,可達(dá)到高的(de)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(pèi)套電機的(de)選配fifth, motor selection 螺杆(gǎn)泵的型号(hào)選定後(hòu),根(gēn)據樣(yàng)本數據(jù),可查到(dào)泵的軸功(gōng)率n,該軸功率再加上(shàng)一定(dìng)的功(gōng)率儲(chǔ)備後(hòu),作為選配(pèi)電機的依(yī)據(jù),一(yī)般電(diàn)機功率nm 不(bú)小于泵軸功率n 乘以功率儲備(bèi)系數k 所得的值(zhí)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(sān)螺杆泵(bèng)能夠(gòu)在不(bú)同的行業中使用,在(zài)其中能夠發揮(huī)重要的作用和(hé)性能,在(zài)行業中能夠充分(fèn)展現(xiàn)良好的(de)性能優(yōu)勢,在(zài)産業性能(néng)中發揮重要的(de)作用和貢(gòng)獻。下(xià)面從(cóng)特點.困油(yóu)及措施(shī)不平衡(héng)等方(fāng)面(miàn)向(xiàng)大家(jiā)介紹一下三螺(luó)杆泵(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(diǎn):1. features: 1)三螺(luó)杆泵(bèng)(3gr三螺杆泵(bèng),snh三螺杆泵(bèng))的(de)均勻流量與(yǔ)齒數成正比,而(ér)與模數的平方(fāng)成比例。體積小(xiǎo),重量輕,結構簡(jiǎn)樸(pǔ),制(zhì)造利便,價(jià)格低(dī),工作(zuò)可靠(kào),自吸(xī)機能(néng)較好(hǎo),對油液(yè)污染不(bú)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)三螺杆泵的(de)流量(liàng)與齒寬成(chéng)正比,但齒(chǐ)寬的增大(dà)受齒(chǐ)輪所受液(yè)壓徑向力(lì)增加的限制,一(yī)般取齒寬(kuān)b=(6~10)m,高壓(yā)時取(qǔ)小值(zhí)。另外(wài),在容(róng)積式(shì)液壓(yā)泵中,三螺杆泵(bèng)的流量脈(mò)動最(zuì)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)進步轉速可(kě)以進步(bù)泵的流(liú)量,但受泵吸入(rù)機能(néng)的限制。齒輪泵的(de)轉速一(yī)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、三螺杆泵(bèng)(3gr三螺杆泵(bèng),snh三螺(luó)杆泵)壓力的措(cuò)施 端面間隙自(zì)動補償(cháng)原(yuán)理: 利(lì)用特制的通道(dào)把三(sān)螺杆(gǎn)泵内壓油(yóu)腔(qiāng)的壓力(lì)油引(yǐn)到浮動軸(zhóu)套(tào)的外側,作用(yòng)在一定外(wài)形(xíng)和大小的面積上(shàng),産生(shēng)液(yè)壓(yā)作用(yòng)力,使軸套壓向(xiàng)齒輪(lún)端面,這個(gè)力必(bì)需大于齒(chǐ)輪端面作(zuò)用在(zài)軸套内側的作(zuò)用力,才能保證在各種壓(yā)力下(xià),軸套(tào)始終自(zì)動(dòng)貼緊齒輪端面,減小三(sān)螺杆泵(bèng)内通過端面的(de)洩漏,達到(dào)進步(bù)壓力(lì)的目的。其(qí)缺點是:流量和(hé)壓力脈動較大(dà),噪聲大(dà),排量不(bú)可變等。 3.三螺杆(gǎn)泵(3gr三螺杆泵,snh三螺杆泵(bèng))的(de)困油(yóu)現象及卸(xiè)荷 困(kùn)油現(xiàn)象的危害(hài): 使閉(bì)死容積中的壓(yā)力急劇升(shēng)高,使軸承受到很大的附加載(zǎi)荷,同(tóng)時産生功率(lǜ)損(sǔn)失及液體(tǐ)發燒等不(bú)良現象;溶(róng)解(jiě)于(yú)液體(tǐ)中的空氣(qì)便析生産(chǎn)氣(qì)憤泡,産(chǎn)氣憤蝕現(xiàn)象,引(yǐn)起振(zhèn)動和(hé)噪聲(shēng)。 消除(chú)困油現象(xiàng): 在三螺杆泵(3gr三(sān)螺杆(gǎn)泵(bèng),snh三螺杆泵)的(de)側闆上或(huò)浮動軸(zhóu)套上(shàng)開卸荷槽。非(fēi)對稱(chēng)式,必需保證在任何(hé)時(shí)候都不能使吸油腔與(yǔ)壓油腔相互串(chuàn)通;這樣(yàng)的(de)齒輪(lún)泵不(bú)能反轉。三(sān)螺杆泵(3gr三螺杆(gǎn)泵,snh三螺杆泵)在(zài)使用中注(zhù)意不(bú)同形式(shì)的特點(diǎn)和性能,在使用(yòng)中經(jīng)常出現不(bú)同的問(wèn)題和反(fǎn)應,在使用(yòng)中保(bǎo)證正常的使用,出現(xiàn)問題及時進行(háng)解決(jué),對不同的方面進行(háng)控制,按照(zhào)正常(cháng)的方(fāng)式進行。
我公司(sī)始建(jiàn)于 1986 年,有近(jìn)三十年的加工(gōng)經營(yíng),目前擁有各類主要(yào)生産(chǎn)設備(bèi) 120 多台(套)。通(tōng)用設(shè)備有(yǒu)大型(xíng)立車、坐(zuò)标镗銑(xǐ)床、數(shù)控銑、立式(shì)加工中心、外圓(yuán)磨床、滾齒機、萬能銑床(chuáng)及各類(lèi)車床。專用設備(bèi)有磨具工(gōng)具磨(mó)、轉子刀具刃磨(mó)機、轉(zhuǎn)子刀具測(cè)量機(jī)、全自(zì)動螺(luó)旋轉子銑、半自(zì)動螺旋(xuán)轉子(zǐ)銑、專用拉(lā)床、多孔(kǒng)镗床。 我(wǒ)公(gōng)司深谙完善的檢測(cè)設(shè)備是一流産(chǎn)品産出的有力(lì)保障(zhàng),為此我公司斥(chì)巨資購置(zhì)了萬(wàn)能工具顯(xiǎn)微鏡、漸開線檢(jiǎn)測儀、螺旋(xuán)線(xiàn)檢測儀,萬能(néng)測齒(chǐ)儀、光學傾斜儀、布洛維硬度計(jì)、投影儀(yí)等(děng)。我公(gōng)司還建有國家(jiā)評定(dìng)的 b 級産品(pǐn)試驗站,理(lǐ)化試(shì)驗室、長度計量(liàng)室(shì)均是國(guó)家計(jì)量确認(rèn)的(de)合格單位(wèi)。 在信(xìn)息化(huà)建設方(fāng)面(miàn),我公司目(mù)前廣泛采(cǎi)用 cad 制圖(tú),及相應(yīng)的技術管(guǎn)理軟(ruǎn)件。财務(wù)管理實(shí)現電(diàn)算化,銷售(shòu)采用 crm 軟件管理,生産系統選用(yòng) erp 管理軟件中的(de)适用模塊(kuài)。這些(xiē)現代化(huà)信(xìn)息化工具(jù)的使用,實(shí)現(xiàn)了管理工作的高效(xiào)、嚴密、及(jí)規範性,使(shǐ)公司(sī)的發(fā)展踏入一(yī)個良性循環的(de)軌(guǐ)道(dào)。
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