LGMZ type slurry pump

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LGMZ type slurry pump


High wear-resistant slurry pump is a single-stage single-suction, axial suction cantilever horizontal centrifugal pump, which can be widely used in metallurgy, mining, power, coal, water conservancy, chemical industry, light industry, petroleum and other transmission contains a lot of solid materials by the department of abrasive or corrosive slurry.

1, GMZ type pump, flow components adopt high strength wear resistant material, is applicable to transport strong abrasion, high concentration, big particle slurry, in the range of the maximum working pressure of the pump, can use multi-level series.

Type 2, GMZ pump according to different suction medium, with interchangeable all sorts of material flow components, suitable for conveying abrasive or corrosive, larger particles or fine particle slurry.

Structure that

GMZ type pump series, in addition to the pump head part (including before and after pump casing, impeller, volute, before and after the guard, etc.) structure is different, the rest of the similar structure, the transmission part of the same series, the following part according to the pump head, shaft sealing parts and transmission parts, respectively describes its structural characteristics.

Part 1, the pump head: GMZ type series pump is double pump shell structure, the former after pump casing, pump casing and flow with a replaceable parts (including the impeller and diffuser, the former guard, guard) after. Before and after pump shell according to the working pressure, made of grey cast iron and nodular cast iron in the vertical, bolting, pump shell with seam allowance and bracket after bolting, pump discharge nozzles according to eight Angle rotation installation, the impeller cover plate with back before and after to reduce leakage and improve the service life of pump and efficiency. Each pump imports are horizontal, look from the direction of transmission pump for chronological rotation.

Part 2, shaft seal: there are three forms of the shaft sealing, vice impeller shaft seals and packing seal, mechanical seal.

Vice impeller shaft seal: (1) in the pump inlet pressure values are not greater than 10% of the pump outlet pressure value at the time of the single stage or multistage tandem third grade pump, vice impeller shaft seal can be used, vice impeller shaft seal has not dilute pulp, as well as good sealing effect.

(2) the shaft seal packing: packing seal structure is simple, convenient maintenance, shaft seal water should be used, for not suitable for use, vice impeller shaft sealing condition and pump suction using conditions of packing seal can be used.

(3) : mechanical seal is not suitable for the above two kinds of shaft seal, under the condition of the mechanical seal, decrease the number of maintenance for shaft seal part.

3, transmission parts: this series pump adopt the same series of transmission, including the bracket and bearing components, pump shaft diameter is large, rigid good, the cantilever is short, not bent under harsh conditions and vibration of the bearing using single row tapered roller bearing and deep groove ball bearings, combination can afford to pump the maximum axial and radial load, bearing the thin oil lubrication, bearings with sealed end cover on both ends of the body, can effectively prevent pulp and other dirt from entering the bearing, the pump in the bearing body is equipped with two hose connector, can be connected with the water, the bearing chamber for cooling, can work under high temperature, therefore, guarantee the safe operation of the bearing, has the high life.

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