Slurry Pump Parts

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Slurry pump accessories

Slurry pumps are widely used in mines, thermal power plants, metal smelting, coal washing, environmental protection and other industries, used to transport some slurry containing abrasive solid particles. The flow-through parts of Shangli stone slurry pump are equipped with high chromium alloy, ceramic, polyurethane, rubber and other corrosion-resistant and wear-resistant materials, which can meet the transportation engineering of high concentration and large particle slurry.

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Description
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Technical Drawing
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Product Introduction

Slurry pump is mainly divided into three parts: pump head part, shaft seal part, bracket part.

The first is the pump head part, mainly: pump body, pump cover, sheath, front guard plate, rear guard plate, impeller. In addition to the pump body cover, the others are all over-current parts, made of high chromium alloy, or natural rubber, and can also be specially customized.

Followed by the shaft seal part: the shaft seal is mainly divided into three forms, one is the packing seal, two decompression cover vice impeller seal, three is the mechanical seal.

Packing seal is composed of: shaft sleeve, front water seal ring, stuffing box, packing gland, packing, positioning sleeve; decompression cover vice impeller seal is composed of: shaft sleeve, water seal ring, decompression cover, vice impeller, packing, positioning sleeve. The composition of mechanical seal is: moving ring, static ring, mechanical seal components, sealing ring.

Finally, the bracket part is composed of: bracket and bearing assembly. The bearing assembly is composed of shaft, bearing, labyrinth sleeve, labyrinth ring, end cover, etc.

Structural breakdown

Summary of Wear Mechanism of Flow Parts of Slurry Pump

Slurry pump flow parts wear mechanism summary, slurry pump wear involves many factors, and different parts and different parts of the wear mechanism is not the same, but in general can be summarized into three categories:

1. erosion wear

1. Erosion wear During the operation of the slurry pump, the solid particles carried in the liquid impact the flow parts at a certain speed, causing material loss.

2. According to the analysis of the wear table of failed parts, erosion wear can be divided into cutting wear, deformation fatigue wear and cutting deformation composite wear.

2. cavitation wear

1. Cavitation damage of slurry pump During the operation of the pump, for some reason, when the absolute pressure of the pumped liquid drops to the vaporization pressure at the current temperature, the liquid will start to vaporize at the local area of the over-flow component, usually the liver at the inlet of the impeller, generating steam and forming bubbles.

2. These bubbles flow forward with the liquid. When they reach a certain high pressure, the bubbles shrink sharply and even collapse. At the same time as the bubbles condense, the liquid particles fill the pores at a high speed and have a strong impact on the metal surface. The metal surface is fatigued and peeled off due to this impact, resulting in material loss. In severe cases, the metal surface appears honeycomb. Usually cavitation occurs at the impeller outlet and volute inlet.

3. corrosion and wear

1. Corrosive wear When the transported medium has a certain pH, the flow-passing parts of the slurry pump will also undergo corrosive wear, that is, the phenomenon of material loss under the combined action of corrosion and wear.

2. Corrosion can be divided into chemical corrosion and electrochemical corrosion: chemical corrosion is the loss of metal caused by the direct reaction of metal and liquid medium;

3. Electrochemical corrosion is the loss of materials caused by the formation of micro batteries on the metal surface under the action of liquid medium.

Part Number List

Number Part Name Basic Part Number Part Name Basic Part Number 1

butterfly screw	001	Impeller	/
Base	003	Inlet fitting ring	060
Bearing box	004	Labyrinth Lock Nuts and Washers	061
Bearing assembly	005	Labyrinth	062
Bearing	009	Lantern Ring	063
Clamp washer	011	Impeller O-ring	064
Clamping bolts and nuts	012	Neck ring	067
Cover	013	Axis Key	070
Cover bolt	015	Shaft	073
Cover pad	017/018	Shaft sleeve	075/076
Cover Pad Dirt	023	stuffing box	078
End cap	024	retainer plate	081
End cover gasket	025	Throat bushing	083
Frame plate insert stud	026	Throat sleeve cotton	085
End cap retaining screw	027	Seal	089/090
oil press	028	Piston ring	108
Oil press ring	029	Shaft O-ring	109
FRAME PLATE	032	volute liner	110
Frame plate bolts	034	Packing ring	111
Frame plate gasket	036	Shaft Gasket	117
Frame plate interlining nail	039	Lantern Limiter	118
Frame plate lining insert bolt	040	Pusher ring seal	122
Frame plate bushing	041	Volute cover seal	124
Frame plate gasket	043	Spiral case frame seal	125
Gland	044	gland clamp bolt	126
Packing gland bolt	045	Splice Ring Drain	132
Retaining ring	046	Grease Cup Adapter	138

Industry Applications

Application in electric power industry

Application in the mining industry

Used in coal industry, coal chemical industry

Applied to dredging river