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混流泵的工作原理A宣化混流泵的工作原理500HW-6

即可根據水泵性能表選定水泵的型號。在查水泵性能表時，先查找出與所需流量和揚程相接近的水泵。然后再確定型號。上面介紹了水泵選型的步驟和計算方法，雖然比較麻煩，但比較準確，這樣可以選到既可靠又經濟的水泵。我們經營部門應該掌握這些內容，在訂貨、銷售中應為用戶服務，當好用戶的參謀，提高經營水平。（二）動力機的配力機類型選擇拖動水泵的動力機械，目前主要是電動機、柴油機和汽油機，其中主要是前兩種。電力排灌的優點是：使用成本較底，操作容易，運轉穩定可靠，可直接連接水泵，維護保養簡單，管理方便，在電力充足的地區使用可接省燃油能源，適于大面積排灌，但受電源****，排灌基本建設投資多；柴油機和汽油機不受電源****。

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，化學性質類似于水的其它液體。被輸送液體溫度不宜高于50度。廣泛用于農田灌溉，工業和城市排水等多種場合。HW泵的性能范圍：流量90-9000m3/h    揚程3.5-22m。

2. 特點：結構簡單，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。常用動力機是電動機和柴油機。訂貨   時應明確動力機的型號，以便確定聯軸器和皮帶輪的型號

4.型號說明：以150HW-8S例

         150---------泵進出口直徑mm

          8------------設計揚程 m

         S------------變型代號

混流泵的工作原理A宣化混流泵的工作原理500HW-6

The output shaft is connected at the top of the guanting, which can drive the generator to generate electricity or drive other machinery such as agricultural and sideline products processing machinery.

二.結構和作用

混流泵的工作原理A宣化混流泵的工作原理500HW-6

However, improper installation, long use time or poor maintenance, but also easy to wear or destroy. Rolling bearings In addition to the individual parts can be replaced with new, generally have to replace the whole parts. The mouth ring is also called a leak reduction or grinding ring. It is one of the most wear-prone parts in the pump. After wear can be repaired or replaced with new. When replacing the new leak reduction ring, its inner diameter should be configured according to the outer diameter of the impeller inlet. If the impeller inlet diameter wear, can be turning processing, in order to eliminate trench marks and ellipses, and then configure the internal diameter reduction of the leakage ring, impeller inlet diameter can generally be turning three times. Filler after a long time will harden and lose elasticity, will make the pump leakage, leakage, generally should replace the new filler. Oil seal is rubber products, easy to wear and aging, generally have to replace new parts. Parameters and properties of water pump (1) The main parameters of the pump pump parameters are the main technical data of the pump's operating performance, including flow, lift, speed, efficiency and ratio of the number of revolutions. Flow rate (Q) The flow rate of the pump refers to the amount of liquid discharged during the unit time.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 performance of the impeller.

Water pump, valve and accessories technology R & amp; d and Sales: motor, bearings, mechanical seals, metal 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（或簽訂技術協議）時，請注明：

1、 使用工況：流量、揚程、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、主要技術參數、防護等級、生產廠家等；
3、 其它配套項目：如泵的備件、專用工具、調速裝置等；
4、 其它特殊要求。

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