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你所(suǒ)在位置(zhì):首頁 - - 新(xin)聞中心(xīn) - 公司新(xīn)聞| W7.2ZK-94Z2M1-W75大流(liu)量螺杆(gǎn)泵配電(diàn)機:75KW-4;流量(liang):200m3/h;壓力:0.62Mpa | |||||||
| 發(fa)布時間(jiān):2015-7-3 15:08:12 點擊次(cì)數: | |||||||
我(wǒ)公司始(shǐ)建于 1986 年(nian),有近三(san)十年的(de)加工經(jing)營,目前(qian)擁有各(gè)類主要(yào)生産設(she)備 120 多台(tái)(套)。通用(yòng)設備有(yǒu)大型立(lì)車、坐标(biao)镗銑床(chuáng)、數控銑(xi)、立式加(jiā)工中心(xīn)、外圓磨(mó)床、滾齒(chǐ)機、萬能(néng)銑床及(jí)各類車(chē)床。專用(yong)設備有(yǒu)磨具工(gong)具磨、轉(zhuǎn)子刀具(ju)刃磨機(jī)、轉子刀(dāo)具測量(liàng)機、全自(zi)動螺旋(xuan)轉子銑(xi)、半自動(dòng)螺旋轉(zhuǎn)子銑、專(zhuān)用拉床(chuang)、多孔镗(tang)床。 在信(xìn)息化建(jiàn)設方面(mian),我公司(si)目前廣(guang)泛采用(yòng) CAD 制圖,及(ji)相應的(de)技術管(guǎn)理軟件(jiàn)。财務管(guǎn)理實現(xiàn)電算化(huà),銷售采(cai)用 CRM 軟件(jian)管理,生(shēng)産系統(tong)選用 ERP 管(guan)理軟件(jian)中的适(shi)用模塊(kuài)。這些現(xiàn)代化信(xin)息化工(gōng)具的使(shǐ)用,實現(xiàn)了管理(lǐ)工作的(de)高效、嚴(yán)密、及規(gui)範性,使(shi)公司的(de)發展踏(ta)入一個(ge)良性循(xun)環的軌(guǐ)道。
1. 本(běn)公司常(cháng)規産品(pin) 1-3 天發貨(huò) , 特殊要(yao)求或者(zhě)需定做(zuo)的産品(pin)發貨時(shi)間已與(yu)客戶協(xie)商為準(zhǔn) , 2. 泵運費(fei)方式有(you)兩種 : 快(kuai)遞和物(wu)流 . 小泵(bèng)和小型(xing)配件發(fā)快遞 , 其(qi)餘體積(jī)較大 , 數(shu)量較多(duo) , 推薦走(zǒu)專線物(wu)流貨運(yùn) , 一般南(nan)方 , 中部(bu)地區及(ji)沿海地(dì)區 3-5 天左(zuo)右到達(da) . 西部 , 北(běi)部較遠(yuan)的地區(qu)以及少(shao)數二次(ci)中轉地(di)區 5-8 天左(zuǒ)右可到(dao) , 具體覆(fu)蓋範圍(wéi)請咨詢(xún)公司客(kè)服人員(yuán) . 安裝使(shi)用 : 請您(nín)根據産(chan)品說明(míng)書的步(bù)驟進行(hang)操作 , 如(ru)有問題(ti) , 請聯系(xi)我公司(si) , 我公司(sī)将會請(qing)最專業(ye)的技術(shu)人員為(wei)您提供(gong)服務 . 為(wei)了保護(hù)您的利(lì)益 , 我們(men)已經提(tí)醒客戶(hu)在收到(dào)貨物時(shí) , 要開箱(xiang)驗貨 , 如(ru)在打開(kai)驗貨時(shí)發現貨(huò)物丢失(shī) , 損害或(huo)者不符(fu) , 請拒絕(jue)簽收 , 您(nín)簽收就(jiu)代表已(yi)準确無(wú)誤的收(shōu)到後屋(wū) , 若在簽(qian)收貨物(wu)之後才(cái)發現貨(huo)物丢失(shī)或者不(bu)符 , 如不(bu)負責 . 客(kè)戶收到(dào)貨後 , 産(chǎn)品無法(fa)安裝或(huò)者規格(gé)有誤 , 本(ben)公司提(ti)供退貨(huo)或者換(huan)貨服務(wu) , 退貨或(huò)者換貨(huo)的客戶(hù)請保證(zheng)貨物的(de)完好無(wu)損 , 并承(chéng)擔往返(fan)運費 . 客(kè)戶收到(dào)後 , 如果(guo)産品存(cún)在質量(liàng)問題 , 請(qing)在收貨(huo)後 7 天内(nei)聯系我(wo)公司 , 提(ti)供相關(guān)質量問(wen)題圖片(piàn) , 我公司(sī)将在第(di)一時間(jiān)給您退(tui)貨或者(zhě)換貨 , 因(yin)為我公(gōng)司已經(jīng)在發貨(huo)前已經(jīng)仔細檢(jian)查過 , 所(suo)以過期(qi)将不提(tí)供此項(xiang)服務 , 還(hái)請諒解(jie) .
W2KSE-34W63變頻減(jiǎn)速整機(jī) 配電機(ji):YCJ71-2.2KW-399 流量:1.3m3/h :0.5Mpa 港口(kǒu)卸油泵(bèng): W6.4ZK90Z1M1W73雙螺杆(gan)泵; :Y280S-4-75KW 流量(liàng)壓力 V6.4Zi-75M3W73立(lì)式雙螺(luó)杆泵;配(pei)電機流(liú)量:100m3/h;壓力(li):0.6Mpa 碼頭卸(xie)油泵: W6.4ZK-75Z3M1W73雙(shuāng)螺杆泵(beng)配電機(ji):YB45KW-4;流量壓(yā)力:0.6 W7.2ZK57Z1M1W73雙螺杆(gǎn)泵;配電(dian)機:YH55KW-4;流量(liàng)壓力:0.8Mpa 原(yuán)油中轉(zhuǎn)泵: W7.3Z75Z1MbW81雙螺(luó)杆泵;配(pèi)電機:YVP75KW-6;流(liú)量:100m3/h;:1.0Mpa W6.4ZK90Z1M1W73雙螺杆(gan)泵;配電(dian)機:YX3-75KW-4;流量(liàng):100m3/h;壓力:1.0Mpa 雙(shuang)螺杆泵(beng);:Y75KW-4;流量:107m3/h;壓(ya)力:1.2Mpa 輕柴(chái)油供油(yóu)泵 W4.1ZK27M1W73雙螺(luó)杆泵;配(pèi)電機流(liú)量壓力(li):2.0Mpa W4.1ZK27M1W73雙螺杆(gǎn)泵;配電(dian)機:YB22KW-4;流量(liang):10m3/h;壓力:2.0Mpa W3.1ZK-30Z1M1W73雙(shuāng)螺杆泵(bèng);:YB7.5KW-4;壓(ya)力 輸送(song)液體硫(liú)磺泵 W5kse-40M2W78雙(shuāng)螺杆泵(bèng);:YBVP11KW-6;流量:10m3/h;:0.3Mpa W7.3ZK-75Z0M1W80雙螺(luó)杆泵;:Y315-6B3;流(liú)量:110m3/h;壓力(li) 雙螺杆(gǎn)泵配電(dian)機:YBH37KW-4;流量(liang):118m3/h;壓力:0.6Mpa W6.4ZK-90M1W73雙(shuāng)螺杆泵(beng)配電機(jī):Y37KW-4;流量:120m3/h;壓(ya)力:0.4Mpa 輸送(song)瀝青泵(beng) V7.2Zi-57M3W73雙螺杆(gǎn)泵;配電(dian)機:Y45KW-4;流量(liàng):120m3/h;壓力:0.6MPa W7.2ZK-57Z1M1W72;配電機(jī):YB132KW-4;流量:120m3/h;壓(ya)力:2.5Mpa 雙螺(luo)杆泵;配(pèi)電機:YB18.5KW-4;流(liu)量:131m3/h;壓力(li):0.2Mpa 瀝青混(hun)合料專(zhuān)用泵 雙(shuang)螺杆泵(bèng);配電機(jī):YB7.5KW-4;流量:13m3/h;壓(yā)力:0.4Mpa W3.1ZK-40M1W73雙螺(luo)杆泵;配(pei)電機:YB7.5KW-4;流(liú)量:15m3/h;壓力(li):0.4Mpa W7.3Z112MbW80雙螺杆(gǎn)泵;配電(dian)機:Y90KW-6;流量(liàng):166M3/H;壓力:1.0Mpa 雙(shuang)螺杆泵(bèng);配電機(ji)流量:166m3/h;壓(yā)力:1.0Mpa V7.2ZK-75Z1M1W73雙螺(luo)杆泵;配(pei)電機:YH110KW-4;流(liu)量:168m3/h;壓力(li): W2.1ZK-24M1W73雙螺杆(gan)泵;配電(dian)機:YH132S-6-3KW;:2.4m3/h;壓力:0.6Mpa W7.2ZK-94M1W73雙(shuang)螺杆泵(bèng);配電機(jī):Y90KW-4;:200m3/h;壓(yā)力 雙螺(luó)杆泵;配(pèi)電機:YB2 75KW-4;流(liú)量:200m3/h;壓力(lì):0.62Mpa W7.2ZK-94M1W72A雙螺杆(gǎn)泵;配電(diàn)機:YH90KW-4;流量(liang):200m3/h; W5.2Z40Z1MbW81雙(shuāng)螺杆泵(beng);配電機(ji):Y30KW-6;流量:20m3/h;壓(yā)力:1.0Mpa W3.1ZK-58Z1M1W73雙螺(luo)杆;配電(diàn)機:YB11KW-4;流量(liang):20m3/h;壓力:0.4Mpa W5kse-65M4W75;配電(dian)機:YB11KW-4;流量(liàng):25m3/h;壓力:0.5Mpa 配電機(ji):YB250M-4B3-55KW;流量:25m3/h;壓(yā)力:4Mpa 抽石(shi)蠟泵 W4.1ZK56M1W73雙螺(luó)杆泵;配(pèi)電機:YB15KW-4;流(liú)量:26.6m3/h;壓力(lì):0.8Mpa W7.2ZK124Z1M1W73雙(shuāng)螺杆泵(bèng);配電機(jī):YB45KW-4;流量:270m3/h;壓(yā)力:0.23Mpa W7T.3Z-85Z0MBW80雙螺(luo)杆泵配(pei)電機:Y315L1-4;流(liú)量:273;壓力(li) W2kse-24M1W63雙(shuāng)螺杆泵(beng);配電機(ji):YB1.5KW-4;:2m3/h;壓(yā)力:0.4Mpa W2.1ZK-14Z2M1W73;流量:3.4;壓(yā)力:0.4 W7T.2ZK-94Z1M1W73雙螺(luó)杆泵配(pèi)電機:YB110KW-4;流(liu)量壓力(lì):0.6Mpa W7.2ZK-112M1W73;配電(dian)機流量(liàng):300m3/h; 抽(chōu)粘膠液(yè)泵 W6kse-50M4W75雙螺(luo)杆泵;配(pèi)電機:YB11KW-4;:30m3/h;壓力(li) 雙螺杆(gan)泵;配電(diàn)機:YHB15KW-4;壓力:0.6Mpa W6kse-30M4W77雙(shuāng)螺杆泵(bèng);配電機(ji):Y37KW-2;:39.7m3/h;壓(ya)力:1.2Mpa 抽重(zhòng)質燃油(yóu)泵 ;配(pei)電機:Y2.2KW-4;流(liu)量:3m3/h;壓力(lì):0.4Mpa W3kse-40M1W77雙螺杆(gǎn)泵;配電(diàn)機流量(liàng):3m3/h;:1Mpa W4.2Z70Z1MbW81雙(shuāng)螺杆泵(beng);配電機(jī)壓(ya)力:1.0Mpa ;配(pei)電機:YB15KW-4;:40m3/h;壓力(lì):0.5Mpa 油氣混(hun)輸泵 W4.2Z70Z1MbW81雙(shuāng)螺杆泵(bèng);配電機(ji):YX3-22KW-4;流量:40m3/h;壓(yā)力:1.0Mpa W5.1ZK-54M1W73雙螺(luó)杆泵配(pèi)電機:YB22KW-4;流(liú)量:44m3/h;壓力(lì):0.8Mpa 雙螺(luo)杆泵;配(pei)電機:Y75KW-4;流(liú)量:45m3/h;壓力(li):2.5MPa W3.1ZK-20Z3M1W73雙螺杆(gan)泵配電(dian)機:YB4KW-4;流量(liang):5.1m3/h;壓力:0.5Mpa W8.4ZK-67M1W73雙(shuang)螺杆泵(beng);:YH200KW-4;:500m3/h;壓(ya)力:0.8Mpa W8.5ZK-100Z0M1W84雙(shuang)螺杆泵(beng);配電機(ji):YH355M-4B3-220KW;流量壓(yā)力:0.8Mpa W5.1ZK65Z1M1W73雙螺(luo)杆泵;配(pèi)電機:Y30KW-4P;流(liu)量:50m3/h;壓力(li):1Mpa 雙螺杆(gan)泵;配電(dian)機:Y30KW-4P;流量(liang):50m3/h;:1Mpa W5.1ZK-54Z1M1W77雙(shuang)螺杆泵(beng);配電機(ji):YB18.5-4;流量:50m3/h;壓(yā)力:0.2Mpa 抽改(gǎi)性瀝青(qing)泵 W7kse-75M2W78雙螺杆(gǎn)泵;配電(dian)機流量(liàng):50m3/h;壓力:0.2Mpa W6.5Z-67Z0MBW80雙(shuang)螺杆泵(beng);配電機(ji)流量壓(ya)力:1.2 雙螺(luó)杆泵;配(pèi)電機:Y37KW-4;流(liú)量:55m3/h;壓力(li):1.0Mpa W5.2Z-65Z0MBW80雙螺(luó)杆泵;配(pèi)電機:Y225M-4;流(liu)量:57;壓力(li):1.2 雙螺杆(gǎn)泵;配電(dian)機:Y37KW-4;流量(liang):60m3/h;壓力:1.0Mpa W5.2Z-65Z1M1W80雙(shuang)螺杆泵(beng);配電機(ji):YB45KW-4;流量:60m3/h;壓(yā)力:0.7Mpa 雙螺(luo)杆泵;配(pei)電機:YB132KW-4;流(liú)量:614m3/h;壓力(lì):0.2Mapa 輸送原(yuán)油泵 W8.5ZK-112M1W82A雙(shuāng)螺杆泵(beng);配電機(jī):650m3/h;壓(yā)力:0.8Mpa W6.5Z-75Mb1W80雙螺(luo)杆泵;配(pei)電機:Y15KW-6;流(liu)量壓力(lì):0.1Mpa 輸(shū)送乳化(huà)瀝青泵(bèng) 輸送重(zhòng)油泵 W2.1ZK-34M1W73雙(shuāng)螺杆泵(bèng)配電機(ji)流量:8.9m3/h;壓(yā)力:0.6Mpa W6.4Zi62Z1M1W73雙螺(luó)杆泵;配(pèi)電機流(liú)量:80m3/h;壓力(li):1.0Mpa W6.4ZK62Z1M1W73雙螺杆(gan)泵配電(diàn)機:Y45KW-4;:80m3/h;壓力:1.0Mpa 高(gao)粘度打(da)膠泵 W6.5Z100MbW81雙(shuang)螺杆泵(beng);配電機(ji):Y55KW-6;流量壓(ya)力:1.0Mpa W6.4ZK62Z1M1W77雙螺(luó)杆泵;配(pèi)電機:YB30KW-4;流(liú)量:80m3/h;壓力(li):0.3Mpa 雙螺杆(gan)泵;配電(dian)機:YB75KW-4;:80m3/h;壓力:2.0Mpa 瀝(lì)青混合(hé)料專用(yòng)泵 W6.5Z100Z1MbW81雙螺杆(gǎn)泵配電(dian)機流量(liang):80m3/h;壓力:1.0Mpa 雙(shuang)螺杆泵(beng);配電機(ji):YVP55KW-6;流量:80m3/h;:1.0Mpa W6.4ZK62Z1M1W73雙螺杆(gan)泵;配電(diàn)機流量(liang):80m3/h;壓力:1.0Mpa 雙(shuang)螺杆泵(bèng);配電機(jī):Y55KW-6;流量:88m3/h;壓(yā)力:1.0Mpa W4kse-48M1W77雙螺(luó)杆泵;配(pei)電機:YB7.5KW-6;流(liu)量:8m3/h;壓力(li):1Mpa ●雙螺杆(gǎn)泵可分(fèn)為内置(zhì)軸承和(he)外置軸(zhou)承兩種(zhong)形式。在(zai)内置軸(zhou)承的結(jie)構型式(shì)中軸承(chéng)由輸送(song)物進行(hang)潤滑。外(wai)置軸承(cheng)結構的(de)雙螺杆(gǎn)泵工作(zuo)腔同軸(zhou)承是分(fen)開的。由(you)于這種(zhǒng)泵的結(jié)構和螺(luo)杆間存(cún)在的側(ce)間隙,它(ta)可以輸(shu)送非潤(run)滑性介(jiè)質。此外(wai),調整同(tóng)步齒輪(lun)使得螺(luó)杆不接(jiē)觸,同時(shi)将輸出(chu)扭矩的(de)一半傳(chuan)給從動(dong)螺杆。正(zheng)如所有(you)螺杆泵(bèng)一樣,外(wài)置軸承(chéng)式雙螺(luo)杆泵也(yě)有自吸(xi)能力,而(er)且多數(shù)泵輸送(sòng)元件本(běn)身都是(shi)雙吸對(dui)稱布置(zhì),可消除(chu)軸向力(li),也有很(hen)大的吸(xi)高。Double screw pump can be divided into internal bearing and the outer bearing two forms.In the built-in bearing structure bearing lubrication by conveying material.Working with external bearing structure of the double screw pump bearings are separated.Owing to the pump structure and side clearance between screw, it can transport non-lubricative medium.In addition, the adjustment of the synchronous gear makes the screw does not contact, at the same time the output torque of the half to driven screw.Like all of the screw pump, external bearing type twin-screw pump, and most are double suction pump element itself symmetric arrangement, can eliminate the axial force, also has a lot of high absorption. ●雙螺(luo)杆泵系(xì)列産品(pǐn)分為單(dān)吸雙螺(luo)杆泵和(hé)雙吸雙(shuang)螺杆泵(beng)兩大類(lei)。該系列(liè)産品具(ju)有特殊(shū)的螺杆(gǎn)型線和(he)與之配(pei)套的特(tè)殊結構(gou),廣泛适(shi)用于石(shi)油、化工(gōng)、冶金、鋼(gāng)鐵、電力(lì)、船舶、制(zhì)藥、食品(pin)、建材等(děng)各種行(hang)業,其适(shi)用介質(zhi)之多、輸(shū)送範圍(wéi)之廣、應(ying)用工況(kuàng)之複雜(za)是其它(tā)泵類産(chan)品無法(fǎ)比拟的(de)。這些特(te)點也使(shi)得該系(xì)列泵具(jù)有潛在(zài)的使用(yong)發展前(qián)景。Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.This series of products have special screw lines and form a complete set with the special structure, widely used in petroleum, chemical industry, metallurgy, steel, electricity, shipbuilding, pharmaceutical, food, building materials and other industries, by as much as its applicable medium, transmission range wide, application condition of the complex is unmatched by other pump product.These features also makes the use of this series of pumps with potential development prospects. ●該(gāi)型泵采(cǎi)用雙吸(xi)式結構(gòu),螺杆兩(liang)端處于(yú)同一壓(yā)力腔中(zhong),軸向力(lì)可以自(zi)行平衡(héng)。兩端軸(zhóu)承采用(yong)外裝式(shì),單獨采(cǎi)用潤滑(huá)油 ●性(xing)能參數(shu)的選擇(ze): 1. 流量 Q : 作(zuò)為容積(ji)式泵,影(yǐng)響雙螺(luo)杆泵流(liú)量的因(yin)素主要(yào)有轉速(sù) n ,壓力 p ,以(yǐ)及介質(zhi)的粘度(dù) v 。The selection of performance parameters: 1. The flow Q: As a positive displacement pump, double screw pump flow effects are the major factors of rotational speed n, pressure p, and the medium viscosity v. 1.1 轉速 n 的(de)影響: 螺(luo)杆泵(高(gāo)溫雙螺(luó)杆泵,大(da)流量雙(shuang)螺杆泵(bèng))在工作(zuo)時,兩螺(luó)杆及襯(chèn)套之間(jiān)形成密(mì)封腔,螺(luo)杆每轉(zhuǎn)動一周(zhou)便由進(jin)口向出(chu)口移出(chū)一個密(mì)封腔,即(jí)一個密(mi)封腔的(de)體積的(de)液體被(bèi)排出去(qù)。理想狀(zhuang)态下,泵(bèng)内部無(wú)洩漏,那(nà)麼泵的(de)流量與(yu)轉速成(chéng)正比。即(ji): Qth=n*q n---- 轉速; q---- 理(lǐ)論排量(liàng),即泵每(měi)轉一周(zhōu)所排出(chu)的液體(tǐ)體積; Qth---- 理(lǐ)論排量(liang)。The influence of the rotational speed n 1.1:Screw pump (high temperature double screw pump, large flow of double screw pump) at work, the sealed cavity formed between the two screw and bushing, the screw rotation per week will remove a sealed cavity from import to export, that is, a sealed cavity volume of liquid is out.Internal leak-off ideally, pump, the pump flow rate is proportional to the speed.Namely: Qth q = n * n - speed;Q - the theory of displacement, the pump discharge by turn every week liquid volume;Qth - the theory of displacement. 1.2 壓力 △ P 的(de)影響: 雙(shuang)螺杆泵(beng) Double screw pump (high temperature double screw pump, large flow of double screw pump) in the process of the actual work, its internal is leaking, also known as slippage.Due to pump seal chamber has a certain gap, and seal chamber before and after the differential delta P, as a result, some liquid reflux, is leakage, leakage in delta Q, Q = Qth - delta Q. Obviously, as the seal chamber pressure difference before and after the delta P increases, leakage delta Q increases gradually.For different lines and structure, effect size are different. 2. 壓力 △ P : 與(yu)離心泵(beng)不同,雙(shuang)螺杆泵(bèng)的工作(zuò)壓力 △ P 由(you)出口負(fù)載決定(ding),即出口(kou)阻力來(lai)決定。出(chū)口阻力(li)與泵的(de)出口處(chù)的壓力(lì)是匹配(pei)的,出口(kou)阻力越(yue)大,工作(zuo)壓力也(ye)越大。若(ruo)想知道(dào)壓力,則(ze)需要用(yong)流體力(lì)學的知(zhi)識對出(chū)口阻力(lì)精确的(de)計算。2. Pressure delta P: Unlike centrifugal pump, double screw pump working pressure delta P is determined by export load, namely export resistance to decide.Export resistance is matching with the pump outlet pressure, export the resistance, the greater the pressure of work.If want to know the pressure, you may need to drag on exports by the knowledge of fluid mechanics calculations. 3. 軸(zhou)功率 N : 雙(shuang)螺杆泵(beng)(高溫雙(shuang)螺杆泵(beng),大流量(liàng)雙螺杆(gan)泵)的軸(zhóu)功率分(fen)為兩部(bù)分,即: Nth---- 液(yè)壓功率(lǜ),即壓力(lì)液體的(de)能量; Nr---- 摩(mo)擦功率(lü)。3. The shaft power N: Double screw pump (high temperature double screw pump, large flow of double screw pump) of the shaft power is divided into two parts, i.e., the Nth, hydraulic power, namely of liquid pressure energy;Nr - friction power. 對于确(que)定的壓(ya)力和流(liu)量,其液(yè)壓功率(lü)是一定(dìng)的,因此(ci)影響軸(zhóu)功率的(de)因素為(wei)摩擦率(lü) Nr 。 摩擦功(gong)率是由(yóu)于運動(dòng)部件的(de)摩擦而(er)消耗的(de)那部分(fen)功率。這(zhè)些摩擦(ca)功率顯(xiǎn)然是随(sui)着工作(zuo)壓差的(de)增加而(er)增加的(de),并且介(jie)質粘度(du)的增加(jia)也會引(yin)起液體(tǐ)摩擦功(gong)率的增(zeng)加。To determine the pressure and flow rate, the hydraulic power is certain, so the influence of shaft power factor for the friction ratio of Nr.Friction power is due to the friction in the moving parts and the part of the power consumption.The friction power is obviously increases with the increase of the pressure difference, and the increase of viscosity of medium can also cause the liquid friction power increases. 由此(ci),泵的軸(zhou)功率除(chu)了液壓(ya)功率外(wài),其中摩(mó)擦功率(lü)随介質(zhì)粘度及(jí)工作壓(yā)力而增(zēng)加,因此(cǐ)在選擇(zé)配套電(diàn)機時,介(jie)質的粘(zhan)度也是(shi)一個非(fēi)常重要(yào)的參考(kǎo)數據。尤(you)其在輸(shū)送高粘(zhan)度介質(zhi)時,需要(yao)作比較(jiao)精确的(de)計算。 在(zài)計算功(gong)率後,選(xuan)擇配套(tao)電機時(shí)應遵照(zhao)樣本表(biǎo)格中所(suǒ)規定的(de)有關規(guī)定。 ≤ 4. 吸(xī)上性能(néng)的計算(suàn)及選擇(zé) :泵(高溫(wen)雙螺杆(gan)泵,大流(liú)量雙螺(luo)杆泵)工(gong)作分為(wéi)以下幾(ji)個階段(duàn): 4. On the absorption performance of calculation and selection: pump (high temperature double screw pump, large flow of double screw pump) work is divided into the following stages: 4.1 吸入,此(cǐ)時液體(ti)連續不(bú)斷地沿(yan)吸入管(guǎn)道移動(dòng);the liquid move continuously along the suction piping; 4.2 旋轉的(de)螺杆把(ba)能量傳(chuán)給工作(zuo)液體;rotary screw liquid energy to work; 在以上(shang)三個階(jie)段中,最(zui)為重要(yao)的階段(duan)是必須(xu)保證泵(bèng)的吸上(shang)條件,泵(bèng)才能正(zheng)常工作(zuo),這是泵(beng)工作的(de)重要條(tiáo)件,否則(zé)就會發(fā)生氣蝕(shí),即引起(qi)振動,噪(zào)音等問(wèn)題。 In the above three stages, the most important stage is must ensure that the suction on the condition of the pump, pump can work normally, this is the important condition of pump work, otherwise cavitation occurs, which cause vibration, noise and other issues. 汽蝕(shi)餘量的(de)計算: The calculation of NPSH: 泵(beng)的汽蝕(shi)餘量 NPSHr 與(yǔ)泵的轉(zhuǎn)速 n ,導程(cheng) h 以及泵(bèng)所輸送(song)介質的(de)粘度 v 等(děng)因素都(dou)有關系(xi),對我廠(chang)引進的(de) Bornemann 雙螺杆(gan)泵用以(yi)下公式(shì)計算: NPSHr=(1.5+0.253VF 1.84345+0.0572VF 1.55)*v 0.4146 VF---- 軸(zhou)向流速(sù), VF=n*h/60(m/s) ; n---- 轉速 (r/min) ; h---- 導(dao)程 (m) ; v---- 工作(zuò)粘度 (°E) 。 由(yóu)此可見(jiàn),泵的 NPSHr 是(shì)随 VF , v 的增(zeng)大而增(zeng)大。因此(cǐ)在吸入(rù)條件不(bu)好的情(qing)況下,宜(yi)選擇小(xiǎo)導程的(de)雙螺杆(gan)泵。這在(zai)選型時(shí)是很重(zhong)要的。 Pump NPSH NPSHr and pump speed n, lead h and the medium viscosity v pump etc have relations, to my factory to introduce Bornemann double screw pump with the following formula: NPSHr = 1.5 (1.5 + 0.253 + 0.0572 0.253 VF VF) * v 0.4146 VF - axial velocity, VF = n * h / 60 (m/s);N - speed (r/min);H - lead (m);V - work viscosity (° E).Pump NPSHr is, therefore, with the VF, v increases.So in the case of suction condition is bad, should choose small lead of double screw pump.This when selection is very important. 5.1 裝(zhuang)置汽蝕(shi)餘量 NPSHa 的(de)計算,這(zhè)裡不再(zai)闡述。 5.2 想(xiǎng)要保持(chi)泵正常(chang)工作,即(jí)不發生(shēng)汽蝕、振(zhen)動等問(wèn)題,必須(xū)保證以(yi)下條件(jiàn): 雙螺杆(gǎn)泵(高溫(wēn)雙螺杆(gǎn)泵,大流(liú)量雙螺(luo)杆泵)的(de)轉速選(xuan)擇:Double screw pump (high temperature double screw pump, large flow of double screw pump) the speed of choice: 選擇(ze)不同的(de)轉速常(chang)牽涉以(yi)下問題(tí):Choose a different speed often involve the following questions: 6.1 通過選(xuǎn)擇合适(shì)的泵轉(zhuǎn)速,以達(da)到适當(dang)的性能(néng)參數如(ru)流量等(deng)。by selecting the appropriate pump rotation speed, in order to achieve the appropriate performance parameters such as flow rate, etc. 6.2 随着粘(zhān)度的不(bu)同,泵的(de)轉速亦(yi)應有所(suo)改變。as the viscosity, the speed of the pump should also be changed. 對(duì)于 Boremann 雙螺(luo)杆泵,粘(zhān)度的變(bian)化是決(jué)定轉速(sù)的主要(yào)條件,随(sui)着粘度(du)的增大(da),允許轉(zhuan)速也越(yuè)低。For Boremann double screw pump, the change of viscosity is the main condition of ion speed, with the increase of viscosity, allow rotation speed is lower. 轉速(sù)的選擇(ze)實質也(ye)是吸上(shang)性能的(de)問題,尤(you)其是在(zài)高粘度(dù)的情況(kuang)下,如果(guo)轉速選(xuǎn)得過高(gao),就會引(yǐn)起吸入(ru)不足,從(cong)而産生(shēng)噪音和(hé)振動等(deng)問題。因(yīn)此務必(bi)遵照有(you)關原則(ze)選擇轉(zhuǎn)速。Speed selection essence is also on the absorption performance problems, especially in the case of high viscosity, if speed selected too high, it will cause insufficient suction, so as to produce the problem such as noise and vibration.So be sure to follow relevant principles to choose speed. |
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