農(nóng)用混流泵@策勒農(nóng)用混流泵@250HW-8農(nóng)用混流泵相信會(huì)泉
農(nóng)用混流泵@策勒農(nóng)用混流泵@250HW-8農(nóng)用混流泵相信會(huì)泉
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。混流泵內(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)。
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)
農(nóng)用混流泵@策勒農(nóng)用混流泵@250HW-8農(nóng)用混流泵相信會(huì)泉
為了您更好的使用混流泵,我公司在此為您提供一些關(guān)于混流泵的保養(yǎng)與維修方面的知識(shí)。首先我們來(lái)說(shuō)如何保養(yǎng)不使用的混流泵。當(dāng)您的混流泵處于非使用期時(shí),應(yīng)及時(shí)將混流泵與水源隔離,并排空泵內(nèi)的積水,特別是在冬季,然后將其放置在干燥的地方。
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.
農(nóng)用混流泵@策勒農(nóng)用混流泵@250HW-8農(nóng)用混流泵相信會(huì)泉
以滿意構(gòu)造緊湊的請(qǐng)求,如圖1所示。徑導(dǎo)游葉的正導(dǎo)葉是由螺旋線有些以及螺旋線后邊的分散管有些組成。其用途分別為:內(nèi)螺旋線有些,用來(lái)保證液體在導(dǎo)葉中的自在活動(dòng),起搜集液體的效果,而分散有些用來(lái)把大有些動(dòng)能變換為壓力能,起變換動(dòng)能為壓力能的效果。2徑向正導(dǎo)葉的水力規(guī)劃本文所討論的是圖1中的徑向正導(dǎo)葉的水力規(guī)劃。2.1規(guī)劃原則徑向正導(dǎo)葉混流泵葉輪圖1模型水力構(gòu)造圖導(dǎo)葉內(nèi)液體的軸對(duì)稱活動(dòng)。
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.
Water pump, valve and accessories technology R & amp; d and Sales: motor, bearings, mechanical seals, bl Products Sales: Pump assembly and maintenance: self-and with all kinds of goods and technology import and export business (except for goods and technologies that the state limits the company to operate or prohibit imports and exports).
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