Center- Pivot Irrigation Machines


Center- Pivot Irrigation Machines

 


Equipment running track:

Circular(D). One end of the equipment is fixed in the ground. The motor section connects with the type section and revolves about its center point. Water flow from the center point and then spray from the evenly distributed sprinkler head on the equipment. Because of the circular track, it also is called circular sprinkler, and circular machine for short.


Equipment length:

The span length is 54.5m or 61.3m: the length of the cantilever is from 8m to 28m (4 different choices); the tail nozzle can be optional. Different number and length of span, cantilever and tail nozzle to get the irrigation radius as customers' requirements. The upper limit of the length is 500 meters.


Electricity and water supply:

Electricity supply mode: buried cable and generator set. 

Water supply mode: buried pipe and water reservoir.


Span parameters:

Pipe diameter: 141/ 168/ 203/ 254mm;

sprinkler spacing : 0.76/ 1.25/ 2.23m;

through height : 3.25/ 3.4/ 3.9 /4.9m;

flange thickness :10mm;


Main features:

Compare with the other irrigation method, it is more durable and sturdy irrigation uniformity, save energy and labor. Compare with the large lateral move system, the land utilization is 78%. Its low cost of purchase, operation and management. Supporting facilities is simple. Irrigation cycle time is shorter.

Specification:

xq

Pipe Size Span Length A B C D E
254mm 41.15m 4.01m 41.37m 2.79m 4.32m 41.15m
203mm 41.15m 3.91m 41.47m 2.72m 4.45m 41.15m
203mm 47.85m 3.91m 48.16m 3.00m 4.52m 47.85m
203mm 54.56m 3.91m 54.91m 2.90m 4.52m 54.56m
193mm 47.84m 3.92m 47.84m 3.2m 4.95m 47.84m
193mm 54.55m 3.92m 54.55m 3.2m 4.95m 54.55m
168mm 47.84m 3.92m 47.84m 3.2m 4.95m 47.84m
168mm 54.55m 3.92m 54.55m 3.2m 4.95m 54.55m
168mm 61.25m 3.92m 61.25m 3.2m 4.95m 61.25m
141mm 47.84m 3.92m 47.84m 3.2m 4.95m 47.84m
141mm 54.55m 3.92m 54.55m 3.2m 4.95m 54.55m
141mm 61.25m 3.92m 61.25m 3.2m 4.95m 61.25m


Overhand Size:

Overhand Length F G H
8m 7.62m 5.33m 3.75m
14m 14.32m 5.33m 3.75m
21m 21.03m 6.7m 3.75m
28m 27.73m 6.7m 3.75m


Span Size:

Span 1 2 3 4 5 6 7 Overthang Eed gun  
Length/m 61.34m 122.34m 183.34m 244.34m 305.34m 366.34m 427.34m 454.14m 484.14m
Area() 18acres/1.18ha 70.5acres/4.7ha 158acres/10.55ha 281acres/18.75ha 439acres/29.27ha 632acres/42.14ha 860acres/64.76ha 972acres/64.76ha 1103acres/73.60ha
Irrigation area to total area ratio(%) 2% 8% 18% 32% 50% 72% 100% 113% 128%
Water request 9mm/day(m³/hr) 4 18 40 70 110 158 215 242 276
Sprinkler power 0.56 1.125 1.685 2.245 2.805 3.365 3.925 3.925 5.420


Main Technical Parameters:

No. Item Unit Parameter
1 Name / DYP-327 Center Pivot Sprinkler
2 structural form / round (truss)
3 matching pump Name / /
Flow rate m³/h 80-150
Head m 25
4 machine length m 327
5 incoming flow m³/h 80-150
6 Working pressure range Mpa 0.20-0.45
7 Number of towers (cross) Num 5
8 Spray device Model/form / Nielsen D3000/R3000
Flow rate m³/h 0.07-2.7
Pressure Mpa 0.081-0.28
Range m 9
Number of nozzles Num 106
Height from the ground m 1.5-2.0
9 Motor Reducer Name / UMC Motor
Rated power kw 0.55
Rated speed r/min 35
10 tower car form / angle steel support
Walking speed m/min /
11 walking wheel form / rubber wheel
Tire model / 14.9*24
Tire outer diameter mm Φ1250
12 truss form / arch
Length (span) m 61
13 main water pipe outer diameter mm Φ168
Wall thickness mm 3.0
14 Invalidity of water distribution % 80
15 Irrigation depth mm 5-60
16 hours of work productivity hm²·mm/h ≥8
17 unit energy consumption kw·h/hm²·mm ≤14



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