WG High Head Slurry Pump

Brief Description:

In order to meet the requirements on the development of the electric power, metallurgy and coal industries, our company has designed and developed WG(P) Series up-to-date general slurry pump with large capacity, high head, multi-stages in series to remove ash & sludge and to deliver liquid-solids mixture, based on the experience of slurry pump design and manufacture for many years

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Product Detail

Product Tags

Product Description

Pump Introduction

SPECIFICATIONS:

Size: 65-300mm
Capacity: 37-1919m3/h
Head: 5-94m
Handing solids: 0-90mm
Concentration: Max.70%
Max.pressure:Max.4.5mpa
Materials: Hyper chrome alloy etc.

AIER® WG High Efficiency Slurry Pump

Features

CAD modern design, super hydraulic performance, high efficiency and lower abrasion rate;

Wide passage, non-clogging and good performance of NPSH;

Expeller seal combined with packing seal and mechanical seal have been adopted to guarantee the slurry from leakage;

Reliability design ensures long MTBF(mean time between events);

The metric bearing with oil lubrication, reasonable lubricating and cooling systems ensure the bearing to be operated under low temperature;

The materials of wet parts have good performance of anti-wearing and anti-corrosion;

The pump can be used for seawater ash removing to prevent it from the corrosion of seawater, salt and mist, and electrochemical corrosion;

The pump can be operated in series with multi-stage within permissible pressure.

The pump has the advantages of reasonable construction, high efficiency, reliable operation and easy maintenance. It can be widely used for handling the mixture contained of abrasive and corrosive solids in electric power, metallurgy, mine, coal, constructional material and chemical industry departments, especially for removing ash and sludge in electric power station.

Pump Notation

100WG(P):

100: Outlet diameter (mm)

WG: High head slurry pump

P: Multi-stage pumps (1-2 stage without the mark)

WG slurry pump is of horizontal, single stage, single suction, cantilevered, double casing, centrifugal slurry pump. The pump rotates in clockwise viewed from the drive end.

The wet parts of WG and WGP pump at the same outlet diameter can be interchangeable. Their outline installation dimensions are the same as well. For the drive part of WG(P) slurry pump, the horizontal split frame with oil lubrication and two sets of water cooling systems inside and outside has been adopted. If necessary, cooling water can be supplied. The prepared joint for cooling water and the pressure of the cooling water can be see in the table 1.

Two kinds of shaft seal – expeller seal combined with packing and mechanical seal.

The mechanical seal supplied with high pressure sealing water is recommended when the pump is operated in series, and the expeller seal combined with packing is used in single-stage pump.

The water pressure and amount of all kinds of shaft seal is as follows:

1) Sealing water pressure

For single-stage pump with expeller seal combined with packing, the water pressure of the shaft seal is 0.2-0.3 Mpa.

For multi-stage in series operation with the expeller seal combined with packing, the sealing water pressure should be: The lowest sealing water pressure of n stage = Hi + 0.7Hn Where: n ≥2.

For mechanical seal, the sealing water pressure of every stage of pump is higher 0.1Mpa than the pressure at the outlet of pump

2) Sealing water pressure (see table 1)

Table 1: sealing water parameters

Pump Type	Frame	Sealing Water (l/s)	Sealing Water Joint	Cooling Water Joint On Frame	Cooling Water Pressure
65WG	320	0.5	1/4"	1/2", 3/8"	0.05 to 0.2Mpa
80WG	406	0.7	1/2"	3/4", 1/2"
100WG
80WGP	406A
100WGP
150WG	565	1.2	1/2"	3/4", 3/4"
200WG
150WGP	565A
200WGP
250WG	743		1"
300WG
250WGP	743A

Construction Design

WG Slurry Pump

Pump Part Material

Part Name	Material	Specification	HRC	Application	OEM Code
Liners & Impeller	Metal	AB27: 23%-30% chrome white iron	≥56	Used for higher wear condition with pH between 5 and 12	A05
		AB15: 14%-18% chrome white iron	≥59	Used for higher wear condition	A07
		AB29: 27%-29% chrome white iron	43	Used for lower pH condition especially for FGD. It also can be used for low-sour condition and desulfuration installation with pH no less than 4	A49
		AB33: 33%-37% chrome white iron		It can transport oxygenated slurry with pH not be less than 1 such as phospor-plaster, nitric acid, vitriol, phosphate etc.	A33
Expeller & expeller ring	Metal	B27: 23%-30% chrome white iron	≥56	Used for higher wear condition with pH between 5 and 12	A05
Expeller & expeller ring	Metal	Grey iron			G01
Stuffing Box	Metal	AB27: 23%-30% chrome white iron	≥56	Used for higher wear condition with pH between 5 and 12	A05
Stuffing Box	Metal	Grey iron			G01
Frame/Cover plate, bearing house & base	Metal	Grey iron			G01
Frame/Cover plate, bearing house & base	Metal	Ductile iron			D21
Shaft	Metal	Carbon steel			E05
Shaft sleeve, lantern ring/resctrictor, neck ring, gland bolt	Stainless steel	4Cr13			C21
		304 SS			C22
		316 SS			C23
Joint rings & seals	Rubber	Butyl			S21
		EPDM rubber			S01
		Nitrile			S10
		Hypalon			S31
		Neoprene			S44/S42
		Viton			S50