小流量混流泵@馬鞍山小流量混流泵@小流量混流泵了解多少
小流量混流泵@馬鞍山小流量混流泵@小流量混流泵了解多少
仍需往水泵和S形管中充水.開(kāi)機(jī)后,吸水管到達(dá)必定真空后,水就被抽了上來(lái),水泵進(jìn)入正常工作狀況.自吸真空所需求的時(shí)刻與進(jìn)水管中空氣的多少和水泵的轉(zhuǎn)速有關(guān),通常為4~8分鐘.停泵后,泵和S形管中會(huì)積存必定的水,再開(kāi)機(jī)就不必灌水了。線的交點(diǎn)M和M‘即為取消底閥前后的水泵實(shí)際工作點(diǎn)。
一.概述
1.用途:HW混流泵為臥式,單級(jí),單吸,渦殼式混流泵。適用于輸送清水或物理,化學(xué)性質(zhì)類似于水的其它液體。被輸送液體溫度不宜高于50度。廣泛用于農(nóng)田灌溉,工業(yè)和城市排水等多種場(chǎng)合。HW泵的性能范圍:流量90-9000m3/h 揚(yáng)程3.5-22m。
2. 特點(diǎn):結(jié)構(gòu)簡(jiǎn)單,使用可靠,裝修方便,而且效率高,體型小,重量輕。jdhuiquan6.22
3. 傳動(dòng)方式:用直接傳動(dòng)和變速傳動(dòng)。常用動(dòng)力機(jī)是電動(dòng)機(jī)和柴油機(jī)。訂貨 時(shí)應(yīng)明確動(dòng)力機(jī)的型號(hào),以便確定聯(lián)軸器和皮帶輪的型號(hào)
4.型號(hào)說(shuō)明:以150HW-8S例
150---------泵進(jìn)出口直徑mm
8------------設(shè)計(jì)揚(yáng)程 m
S------------變型代號(hào)
小流量混流泵@馬鞍山小流量混流泵@小流量混流泵了解多少
混流泵是介于離心泵和軸流泵之間的泵型需要把壓水室規(guī)劃成徑導(dǎo)游葉(正導(dǎo)葉)加上類球形泵殼的構(gòu)造型式是葉輪內(nèi)安穩(wěn)的相對(duì)運(yùn)動(dòng)的條件。為此,請(qǐng)求在導(dǎo)葉中的螺旋線有些的液體,不受任何外力的效果。
二.結(jié)構(gòu)和作用
1.HW pump mainly has pump cover, impeller, pump body, pump shaft, bushing, and bearing body and other major components. The pump cover is connected with the pump body and the inlet pipe respectively. 2. There should be an appropriate gap between the pump cover plane and the impeller plane. The gap is too small will produce friction, the gap is too large, will lead to the pump body pressure water a large number of reflux, is the pump efficiency reduction. The suitable gap used in practice is 0.3-0.7mm, and the gap can be adjusted by adding and subtracting the thickness of the paper pad.
小流量混流泵@馬鞍山小流量混流泵@小流量混流泵了解多少
經(jīng)常處于較低負(fù)載甚至節(jié)流50%以上運(yùn)行,由于存在節(jié)流損失及偏離區(qū)運(yùn)行,能量浪費(fèi)非常嚴(yán)重。因此,探討混流泵節(jié)能的技術(shù)和方法,可以提高混流泵的工作效率,對(duì)提高企業(yè)的經(jīng)濟(jì)效益和社會(huì)效益有著積極的意義。①根據(jù)混流泵的用途和工作場(chǎng)所選擇適合的填料。②保持填料壓蓋合適的松緊程度?;炝鞅脙?nèi)部的摩擦損失包括:①水流與泵體泵蓋表面產(chǎn)生的摩擦損失;②水流與葉輪高低壓兩側(cè)流道的表面產(chǎn)生的摩擦損失;③混流泵內(nèi)部各轉(zhuǎn)動(dòng)部件配合面之間的摩擦損失。減小摩擦損失對(duì)于前兩項(xiàng)而言,若是零件表面粗糙度大,可進(jìn)行先磨光后涂護(hù),涂護(hù)按面積大小采用環(huán)氧樹(shù)脂等易涂、耐磨材料做涂敷處理;若因汽蝕原因造成流道表面局部損傷,應(yīng)先除銹再涂護(hù),面積小時(shí)。
3. The shaft is applied to protect the pump shaft and should be replaced in time after wear.
1. Screw holes at the upper end of the pump body, used for filling water diversion or connecting vacuum pump pumping gas to divert water.
2. In order to expand the scope of application of the pump to meet the different needs of users, can cut the outer diameter of the impeller or exchange different perbance of the impeller.
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