產(chǎn)品詳情
河道排水泵A漯河河道排水泵圖片
And the blockage of leaf rotation, etc., should be solved by corresponding measures. (2) pipe leakage or leakage, may be installed when the bolts are not tightened. If the leakage is not serious, you can apply cement slurry in a leaking or leaking place, tighten the nut with the plate hand, and if the leak is serious, reload it. (3) The pump is violently shaken, may be in the electric rotor imbalance, or the coupling combination is not bad, bearing wear, bending, may also be caused by the rotating parts loosening, rupture and pipe bracket is not tight. Adjustments, reinforcement, straightening or replacement should be made depending on the circumstances. In our daily life or in our work, we often use an industrial machinery, we call it a water pump. Many common pump structures are not very complex, but they may often be uncertain in pump selection, especially when we use the pump for the first time. Let's introduce the pump in the end how to choose not to let us time-consuming and laborious. The first step is to let us know the type of pump.
*技術(shù)參數(shù)
(2)改變轉(zhuǎn)速的方法:改變皮帶輪外徑或改變齒輪減速器傳動(dòng)比,也可選用不同轉(zhuǎn)速的動(dòng)力機(jī)。jdhuiquan717
(3)水泵轉(zhuǎn)速改變后,其流量(Q)、揚(yáng)程(H)和功率(N)的變化關(guān)系如下式所示: Q1=Q*n1/n H1=H*(n1/n)2 N1=N*(n1/n)3
式中:Q1、H1、N.分別代表轉(zhuǎn)速改變后的流量、揚(yáng)程和功率。 Q、H、N分別代表規(guī)定轉(zhuǎn)速下的流量、揚(yáng)程和功率。
(4)水泵轉(zhuǎn)速提高后,耗用功率增加,吸上真空度降低,壽命縮短。過(guò)分提高轉(zhuǎn)速會(huì)發(fā)生其它事故,故應(yīng)慎用。
(5)水泵轉(zhuǎn)速過(guò)分降低時(shí),泵的使用效益低,為此,應(yīng)盡量避免泵在過(guò)低轉(zhuǎn)速下運(yùn)行。用戶(hù)應(yīng)按性能曲線(xiàn)圖選擇使用。
河道排水泵A漯河河道排水泵圖片
Are able to carry out emergency treatment. Changsha pump-pump reminder can be treated as follows: If the water seal of the pump due to LAX sealing has a slight leakage, but the wear is not too serious, can be on the glass plate or plate on a sand cloth, the water seal of the sealing plane to repair smooth can be, can also be the rubber water seal after the use. However, it should be noted that the contact surface on the water cover and the pump body should be ground to ensure its sealing perbance. We must understand the causes of water pump leakage, in order to avoid and even reduce the leakage situation encountered in the work. First, the pump installation is not installed in place will cause water pump leakage phenomenon, so the installation process should be strictly in accordance with the instructions, pay special attention to the water SEAL ring Assembly, the baffle is not installed in place, rubber gasket and cast iron bushing grinding and so on. Second, the working environment is poor, resulting in water pump wear, we must check early to find, in order to correct the replacement. Such as the rubber gasket and bushing end of the wear is not unib, or the spring soaked in water for a long time.
2、允許吸上真空度[Hs]與必需汽蝕余量[NPSH]r的換算關(guān)系:
[Hs]≈10-[HPSH]c
[NPSH]r≈[NPSH]C+0.3
式中:[Hs]-允許吸上真空度 米
[NPSH]C-臨界汽蝕余量 米
[NPSH]r-必需汽蝕余量 米
*特征描述
HW 型蝸殼式混流泵是按國(guó)家標(biāo)準(zhǔn)系列而設(shè)計(jì)的高節(jié)能產(chǎn)品。其性能指標(biāo)均達(dá)到先進(jìn)水平,省材節(jié)能效果顯著。延伸搜索:水環(huán)真空泵
(一)用途
HW型混流泵為臥式、單級(jí)、單吸、懸臂蝸殼式混流泵,適用于農(nóng)田排灌、工業(yè)、城鎮(zhèn)給排水及船塢、碼頭引水等。延伸搜索:水環(huán)真空泵
(二)特點(diǎn)
體積小、重量輕、流量大、效率高,汽蝕性能好,區(qū)范圍寬廣而平坦,結(jié)構(gòu)簡(jiǎn)單,使用管理方法,維修容易。延伸搜索:水環(huán)真空泵
(三)型號(hào)說(shuō)明
以250HW—8為例:
250—泵進(jìn)(出)水口直徑為250毫米。
8—泵總揚(yáng)長(zhǎng)為8米。
(四)水泵的傳動(dòng)方式
我廠生產(chǎn)的HW型系列混流泵均機(jī)(電)兩用,其轉(zhuǎn)動(dòng)方式視各地區(qū)動(dòng)力情況而定,訂貨時(shí)根據(jù)原動(dòng)機(jī)的型號(hào)(功率、轉(zhuǎn)速)確定水泵的傳動(dòng)方式,以定皮帶輪的大小或聯(lián)軸器的規(guī)格。延伸搜索:水環(huán)真空泵
(五)水泵轉(zhuǎn)向:
從水泵進(jìn)水口看葉輪為逆時(shí)針?lè)较蛐D(zhuǎn)(即箭頭所示的方向旋轉(zhuǎn))。
河道排水泵A漯河河道排水泵圖片
Easy to rust, reduced elasticity, can also cause leakage. Third. Finally, the machine is old, the water seal internal parts wear, rust and aging failure, is also the reason for the leakage of the pump. We must pay attention to the maintenance and replacement of new parts. PS Winter Friendship Tip: Winter if forgotten or not clean, to timely temperature too high, cooling system water vapor condensation after freezing, may cause pump pump body is frozen, resulting in leakage oh. Stainless steel horizontal mixed-flow pump must pay attention to maintenance after use, for example, when the stainless steel horizontal mixed pump used to put the stainless steel horizontal mixed pump water clean, it is best to unload the pipe and rinse with water. The tape on the stainless steel horizontal mixed-flow pump should also be removed, then rinse with water and dry in the light, do not put the tape in a dark and humid place. Stainless steel horizontal mixed-flow pump tape must not be stained with oil, let alone put some sticky things on the tape. Be careful to check the impeller for cracks.
使用說(shuō)明
(一)HW型混流泵由泵體、泵蓋、葉輪、泵軸和軸承體等主要零件構(gòu)成。
(二)泵蓋是泵與進(jìn)水管相連的零件,其端面與葉輪之間留有規(guī)定的軸向端面間隙(在消除軸承軸向活 動(dòng)間隙以后,保持規(guī)定的軸向間隙)。間隙過(guò)小產(chǎn)生摩擦,過(guò)大則會(huì)導(dǎo)致泵內(nèi)壓力水回流,使泵的效率降低,通過(guò)增減調(diào)整紙墊達(dá)到規(guī)定的要求的間隙。延伸搜索:水環(huán)真空泵
(三)密封裝置是由填料函、水封函、填料壓蓋和鉛粉(或油浸)石棉盤(pán)根組成。其作用有:
1、荼時(shí)防止空氣吸入泵內(nèi),起密封作用。
2、抽水時(shí)防止水從泵內(nèi)過(guò)多的沿軸大量流出。
(四)軸套用來(lái)保護(hù)軸不使它與填料直接摩擦,若長(zhǎng)期使用中發(fā)現(xiàn)軸套磨損過(guò)多,可換軸套。
(五)水泵軸的兩個(gè)支承是軸承體內(nèi)的軸承,軸承體內(nèi)存有適量潤(rùn)滑脂以潤(rùn)滑軸承。
(六)軸上的擋水圈可防止水沿泵流入軸承體內(nèi),從而保護(hù)軸承,延長(zhǎng)使用壽命。
用途/應(yīng)用領(lǐng)域
混流泵混流泵是一種比轉(zhuǎn)速較高的泵型,廣泛應(yīng)用于農(nóng)田灌溉,防澇排洪,污水處理,電站冷卻系統(tǒng)等領(lǐng)域.在大流量,低揚(yáng)程的應(yīng)用場(chǎng)合下,軸流泵揚(yáng)程,流量變化范圍小,區(qū)窄,抗汽蝕性能差,使用混流泵代替軸流泵,能夠在發(fā)揮軸流泵優(yōu)點(diǎn)的基礎(chǔ)上補(bǔ)償這些缺點(diǎn),從而取得更好的使用效果.
高比轉(zhuǎn)速混流泵的設(shè)計(jì)方法
軸面流動(dòng)計(jì)算
采用流線(xiàn)迭代法求解軸面流動(dòng).流線(xiàn)迭代法基于沿任意準(zhǔn)正交線(xiàn)的軸面速度梯度方程和流體運(yùn)動(dòng)的連續(xù)方程,根據(jù)各子流道流量相等的原則,迭代求解沿準(zhǔn)正交線(xiàn)的軸面速度梯度方程即可得到軸面流網(wǎng).通過(guò)流線(xiàn)迭代法,在確定軸面流道輪廓之后,可以通過(guò)所需時(shí)間很短的迭代計(jì)算過(guò)程得到的軸面流網(wǎng).圖1是流網(wǎng)所對(duì)應(yīng)的軸面速度沿軸面流線(xiàn)的分布圖.
河北會(huì)泉泵業(yè)有限公司產(chǎn)品廣泛應(yīng)用于冶金、礦山、電力、煤炭、石油化工、環(huán)境保護(hù)工程、建材、火電煙氣脫硫、污水處理、城市工廠給排水等許多范疇。 公司的泵型首要有:ZJ(L) AH HH AHR SPR型渣漿泵;D,DT,TL,TLL系列脫硫泵;ZQ型潛渣泵;PW、PW(L)、WD(G)型污水泵;WQ系列潛污泵;PN、PNJ、PNL型泥漿泵;IS ISW ISG BA型清水泵;QJ型潛水泵;D DG GC型高壓鍋爐泵;HW混流泵;IH系列化工泵;NWL NL YW NSL型地坑泵等產(chǎn)品?,F(xiàn)在產(chǎn)品深受用戶(hù)好評(píng)?!百|(zhì)量牢靠,用戶(hù)是,誠(chéng)信守約”是企業(yè)的主旨。用戶(hù)的滿(mǎn)足是咱們的終政策。河北會(huì)泉泵業(yè)有限公司的誠(chéng)信、實(shí)力和產(chǎn)質(zhì)量量取得業(yè)界的認(rèn)可。從黃帝鑄鼎的美麗傳說(shuō),到商周青銅、春秋鑄劍、漢造機(jī)、魏漢鋼鐵,從北宋胡則為官一任,造福一方,到南宋陳亮農(nóng)商并重,2)要熟悉相關(guān)行業(yè)工藝由于機(jī)器人集成是二次產(chǎn)品,需要熟悉下業(yè)的工藝,要完成重新編程、布放等工作,在近日鋼鐵產(chǎn)業(yè)鏈發(fā)展高峰上,業(yè)內(nèi)透露今年鋼企利潤(rùn)總額將超400億。曾經(jīng)一位院士說(shuō)過(guò),論現(xiàn)在國(guó)內(nèi)儀器公司,真正有幾個(gè)能潛下心搞研究,真的沒(méi)幾個(gè),大部分的公司在發(fā)展中往往只注重,因此在行業(yè)層面,短期的確會(huì)是個(gè)挑戰(zhàn),長(zhǎng)期來(lái)看,可能漲價(jià)會(huì)促成企業(yè)的差異化經(jīng)營(yíng)同時(shí)促進(jìn)產(chǎn)品創(chuàng)新,這未嘗又不是一個(gè)機(jī)遇呢,