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DRG-22

Smoke exhaust hot blast

Brand: КВЗ
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Aerodynamic Characteristics
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DRG-22
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Product Code: ID16544
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Hot-blast exhaust fan. DRG-22. Engine power: 500-630 kW; Engine speed: 1000 rpm; Performance: 174700 m 3/hour; Total pressure: 8333 Pa.

Power kW:500-630
Vol./Min:1000
Produc­tivity, m³/h:174700
Ultimate pressure, Pa:8333
Delivery
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DRG-22
Description

Purpose of Hot Blast Smoke Exhausters DRG-22

Single-inlet centrifugal hot blast smoke exhausters DRG-22 are designed for the recirculation of flue gases from boilers operating on solid and gas-oil fuels with various steam capacities. The use of DRG-22 exhausters is also permitted for extracting hot and dust-laden flue gases from furnaces in technological lines for the production of iron ore pellets in the ferrous metallurgy industry (sintering plants), with gas dust content up to 0,5 g/nm3 and dust particle size not exceeding 0.5 μm.

Operating Conditions of Hot Blast Smoke Exhausters DRG-22

The smoke exhauster is designed for continuous operation indoors and outdoors in moderate and tropical climate conditions (climate version U or T, placement category 1, DSTU 15150-69). Startup is allowed when the temperature inside the scroll is not lower than -30 °C. The maximum allowable temperature at the smoke exhauster inlet must not exceed 200 °C. Operation is permitted at a rotational speed of 1000 rpm.

Casing Rotation Angles of Smoke Exhausters DRG-22

Casing rotation of smoke exhauster DRG-22 Casing rotation of smoke exhauster DRG-22
Specifications
Common
Model
DRG-22
Motor type
DAZO
Power kW
500-630
Vol./Min
1000
Max. transported air temperature, °C
200
Pollution limits, mg/m3
0,5
Weight, kg
8020
Maximum efficiency, ηmax (%)
72
Produc­tivity, m³/h
174700
Ultimate pressure, Pa
8333

Aerodynamic characteristics of DRG-22
LEGEND
Q – Capacity, thousand m3/h
Pv – Total pressure, daPa
ηmax – Efficiency

Overall dimensions of fan DRG-22

S4, S5, S6 – dimensions to be specified when selecting the electric motor

Model Overall dimensions, mm
h H H1 B I Lmax A
DRG-22 630 1740 3785 4105 1033 3265 1512
Model Connection dimensions, mm
A1 A2 a1 a2 t1 t2 N N1 n1 n2 K K1 D D1
DRG-22 1530 1000 1382 880 255 250 20 24 6 5 22 19 1600 1715
Model Mounting dimensions, mm
N2 K2 C C1 C2 C3 C7 L1 L2
DRG-22 12 28 1000 1000 378 920 1050 2035 1615
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