產(chǎn)品詳情
單級混流泵A博野單級混流泵250HW-8
When the pump in the work due to cavitation impact or in the winter did not release the pump shell in the water and frozen is also prone to rupture, such as damage is heavier can not be repaired when the new pump shell should be replaced. Pump shafts are generally carbon steel parts, but due to manufacturing quality, use or installation and other reasons are also vulnerable to damage. Pump shaft may appear cracks, bending, shaft neck wear, thread damage, etc., may also appear fracture. If the damage is serious and cannot be repaired, the new shaft should be replaced. The impeller is an important working part of the pump and is made of cast iron. Due to manufacturing quality and use and other reasons are also vulnerable to damage. The impeller may appear cracks, due to cavitation effect on the surface of the bation of a nest eye or perforation, long-term flushing to make the leaves thin or partial grinding, and even crushed by debris. Some defects can be repaired; some defects cannot be repaired, that is, new impellers should be replaced. The bearing of the sliding bearing is cast of copper tin alloy, the wear resistance is very poor, is one of the most easy to wear and burn the wearing parts, the bearing can generally be repaired, can also be replaced with new parts. Rolling bearings generally have an average service life of 5,000 hours.
一.概述
1.用途：HW混流泵為臥式，單級，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)簡單，使用可靠，裝修方便，而且效率高，體型小，重量輕。jdhuiquan4.20
3. 傳動方式：用直接傳動和變速傳動。常用動力機(jī)是電動機(jī)和柴油機(jī)。訂貨 時應(yīng)明確動力機(jī)的型號，以便確定聯(lián)軸器和皮帶輪的型號
4.型號說明：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
單級混流泵A博野單級混流泵250HW-8
通常泵的流量用體積計(jì)算，以Q表示，單位為米3/時（m3/h）、米3/秒（m3/s）、升/秒（1/s）。也可用重量計(jì)，以G表示，單位為噸/時（t/h）、噸/秒（t/s）、千克/秒（kg/s）。G與Q的關(guān)系：G=r×Qr-液體重度（千克/米3）因水的重量近似1000千克/米3，故1升/秒=3.6米3/時=3.6噸/時揚(yáng)程（H）泵的揚(yáng)程是指單位重量的液體通過泵所增加的能量。以H表示，實(shí)質(zhì)上就是水泵能夠揚(yáng)水的高度，又叫總揚(yáng)程或全揚(yáng)程。單位為米液柱高度，習(xí)慣上省去“液柱”，以米（m）表示。泵的總揚(yáng)程由吸水揚(yáng)程與出水揚(yáng)程兩部分組成，因此總揚(yáng)程=吸水揚(yáng)程=出水揚(yáng)程但由于水流經(jīng)過管路時受到各種阻力而減少了泵的吸水揚(yáng)程和出水揚(yáng)程。
二.結(jié)構(gòu)和作用
單級混流泵A博野單級混流泵250HW-8
（1）ZB型性能范圍流量2～200米3/時，揚(yáng)程8～100米，配套功率0.25～45千瓦。（2）結(jié)構(gòu)型式特點(diǎn)按泵的配力機(jī)類型分為電動機(jī)配套自吸泵和柴油機(jī)配套自吸泵。按實(shí)現(xiàn)自能的結(jié)構(gòu)與工作特點(diǎn)可分為內(nèi)滑式、外滑式、水環(huán)輪式和其他型式。傳動方式有直聯(lián)傳動（包括內(nèi)軸）和皮帶傳動。進(jìn)口直徑25～200毫米，共10個口徑，54個規(guī)格。管道輸水灌溉機(jī)組由動力機(jī)、農(nóng)用泵、管路等組成的可移動輸水灌溉機(jī)組稱為輕小型管道輸水灌溉機(jī)組（簡成為灌溉機(jī)）。它是近年來灌溉方法上新興的一種灌溉機(jī)械，有G型輕小型管道輸水機(jī)組和CB型輕小型柴油機(jī)-泵直聯(lián)機(jī)組。（1）G型管道輸水灌溉機(jī)組動力：柴油機(jī)、電動機(jī)（2.2～11.03千瓦）；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.
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).
訂貨須知：用戶在訂貨（或簽訂技術(shù)協(xié)議）時，請注明：
1、 使用工況：流量、揚(yáng)程、漿體濃度及比重、粒徑、吸入形式、傳動方式等；
2、 配套電視：型號、主要技術(shù)參數(shù)、防護(hù)等級、生產(chǎn)廠家等；
3、 其它配套項(xiàng)目：如泵的備件、專用工具、調(diào)速裝置等；
4、 其它特殊要求。
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