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Created on 07.07

AHR Slurry Pump Performance

Structural Characteristics

  • Horizontal Double-Casing Structure
  • Overhung Impeller Design
  • Rotatable Discharge Direction
  • Cylindrical Bearing Assembly

Working Principle

AHR slurry pumps rely on the centrifugal force generated by the impeller's rotation to throw the slurry from the impeller center to the outer edge, gaining energy, and exiting the impeller outer edge at high speed into the volute casing. In the volute casing, the liquid decelerates due to the gradual expansion of the flow channel, converting part of the kinetic energy into static pressure energy, and finally flowing into the discharge pipeline at high pressure. Meanwhile, a certain vacuum is formed at the impeller center. Due to the pressure above the liquid level in the storage tank being greater than the pressure at the pump inlet, the liquid is continuously pressed into the impeller, achieving continuous slurry transportation.

Materials of Flow-Through Components

Flow-through components are made of natural rubber, synthetic rubber, or other wear-resistant rubber materials. These rubber materials have good wear resistance, corrosion resistance, and impact resistance, effectively resisting the scouring and wear of solid particles in the slurry. They are particularly suitable for conveying fine-particle slurries without sharp edges, as well as strongly corrosive or abrasive media.

Performance Parameters

  • Flow Range
  • Head Range
  • Speed Range

Drive Modes

Common drive modes include DC direct connection drive, CR parallel belt drive, ZVZ upper-lower belt drive, CV vertical belt drive, etc.
  • DC direct connection drive is suitable for occasions where the pump and motor speeds need to be the same, with high transmission efficiency.
  • CR parallel belt drive and ZVZ upper-lower belt drive facilitate speed adjustment of the pump, suitable for situations where flow and head need to be adjusted according to working conditions.
  • CV vertical belt drive saves space and is convenient for installation.

Sealing Forms

Packing sealing, auxiliary impeller sealing, or mechanical sealing can be selected as needed.
  • Packing sealing has a simple structure and low cost, suitable for general working conditions.
  • Auxiliary impeller sealing can use the pressure difference generated by the impeller to achieve sealing, reducing the use of sealing water.
  • Mechanical sealing has advantages such as good sealing performance, small leakage, and long service life, suitable for occasions with high sealing requirements.

Application Fields

Widely used in metallurgy, mining, petroleum, chemical industry, coal, electric power, transportation, building materials, municipal engineering, and other sectors, mainly for conveying fine-particle, abrasive, or corrosive slurries. Examples include concentrate and tailings transportation in mineral processing, coal slurry transportation in the coal industry, desulfurization wastewater treatment in the power industry, and corrosive liquid transportation in the chemical industry.
HEDUN AHR Slurry Pump Performance Parameter:
Model
Max. Power
Material
Clear water performance
Impeller
Vane No.
Liner
Impeller
Capacity Q (m³/h)
Head H (m)
Speed n (rpm)
Eff.η (%)
NPSH (m)
1.5/1B-AHR
15
M
M
12.6⁓28.8
6⁓68
1200⁓3800
40
2⁓4
5
RU
RU
10.8⁓25.2
7⁓52
1400⁓3400
35
3
1.5/1B-HH
30
M
M
16.2⁓34.2
25~92
1400⁓2200
20
1⁓5.5
5
2/1.5B-AHR
15
M
M
32.4⁓72
6⁓58
1200⁓3200
45
3.5⁓8
5
RU
RU
25.2
⁓54
5.5⁓41
1000⁓2600
50
2.5⁓5
3/2C-AHR
30
M
M
39.6⁓86.4
12⁓64
1300⁓2700
55
4⁓6
5
RU
RU
36⁓75.6
13⁓39
1300⁓2100
2⁓4
4/3C-AHR
30
M
M
86.4⁓198
9⁓52
1000⁓2200
71
4⁓6
5
4/3D-AHR
60
4/3C-AHR
30
RU
RU
79.2⁓180
5⁓34.5
800⁓1800
59
3⁓5
5
4/3D-AHR
60
4/3E-HH
120
M
M
126⁓252
12⁓97
600⁓1400
50
2⁓5
5
6/4D-AHR
60
M
M
162⁓360
12⁓56
800⁓1550
65
5⁓8
5
6/4E-AHR
120
6/4D-AHR
60
RU
RU
144⁓324
12⁓45
800⁓1350
65
3⁓5
5
6/4E-AHR
120
6/4F-HH
260
M
M
100⁓414
34⁓98
600⁓1000
64
2⁓8
5
8/6E-AHR
120
M
M
360⁓828
10⁓61
500⁓1140
72
2⁓9
5
8/6E-AHR
120
RU
RU
324⁓720
7⁓49
400⁓1000
65
5⁓10
5
10/8ST-AHR
560
M
M
612⁓1368
11⁓61
400⁓850
71
4⁓10
5
RU
RU
540⁓1188
12⁓50
400⁓750
75
4⁓12
10/8E-M
120
M
M
666⁓1440
14⁓60
600⁓1100
73
4⁓10
5
10/8E-M
120
RU
RU
540~1188
10~42
500~900
79
5~9
5
12/10ST-AHR
560
M
M
936⁓1980
7⁓68
300⁓800
82
6
5
M
M
720⁓1620
7⁓45
300⁓650
80
2.5⁓7.5
14/12ST-AHR
560
M
M
1260⁓2772
13⁓63
300⁓600
77
3⁓10
5
RU
RU
1152⁓2520
13⁓44
300⁓500
79
3⁓8
16/14ST-AHR
560
M
M
1368⁓3060
11⁓63
250⁓550
79
4⁓10
5
16/14TU-AHR
1200
18/16ST-AHR
560
M
M
2160⁓5040
8⁓66
200⁓500
80
4.5⁓9
5
18/16TU-AHR
1200
20/18TU-AH
1200
M
M
2520⁓5400
13⁓57
200⁓400
85
5⁓10
5
The flow-through components of AHR slurry pumps refer to the parts inside the pump that directly contact the conveyed slurry and bear high-speed scouring and wear. They mainly include the following:

Impeller

It is the core rotating component that provides kinetic energy. The impeller of AHR slurry pumps is usually a closed-type impeller with two shrouds, and the vanes are completely clamped between the two shrouds. This structure has great mechanical strength and can effectively pump low-viscosity liquids with less suspended matter. The impeller is made of natural rubber, which has excellent elasticity and toughness, effectively absorbing and buffering the impact energy of solid particles to reduce cutting wear.

Volue/ Pump Casing

It is a cavity used to guide the slurry flow and convert kinetic energy. The pump body and cover of AHR slurry pumps are generally made of cast iron, with natural rubber lining inside to form a volute structure. This can effectively reduce the wear of the slurry on the pump body, guide the slurry flow, and improve the pump efficiency.

Wear Plates/Liners

  • Front Wear Plate
  • Rear Wear Plate

Front/ Rear Sheaths

They are mainly used to protect the ends of the pump body. The front and rear sheaths of AHR slurry pumps are made of rubber, which can effectively prevent the wear and corrosion of the slurry on the pump body ends, extending the service life of the pump.
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E-mail: info@topslurrypumps.com
WhatsApp: +8613831153172
Tel.: +0086-14730674938
WeChat：+8613831153172
Add.: No.150 Donggang Road, Yuhua Destrict, Shijiazhuang, China

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