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GEOTHERM WMB 20

GEOTHERM WMB 20
GEOTHERM WMB 20
GEOTHERM WMB 20
GEOTHERM WMB 20
GEOTHERM WMB 20
GEOTHERM WMB 20

Specifications

Specifications Units of phys. qt Standard size
Boiler type 20
Heating capacity kW 20000
Water temperature at the exit of the boiler ◦С 110
 150
at the entrance to the boiler 70
 70
EC (efficiency coefficient) of boiler Natural gas % 94,6  93,4
fuel oil 92,5
 91,3
Fuel consumption Natural gas Nm3/h 2113
 2137
fuel oil kg/h 2001
 2025
Exhaust gas temperature Natural gas ◦С 140 
 163
fuel oil 176
 200
Aerodynamic resistance of the boiler (without burner) Pa 1200
 1230
Hydraulic resistance MPа 0,13
 0,12
Design water pressure at the inlet MPа 0,9
 1,6
Water flow through the boiler t/h 430
 215
Specific emission of nitrogen oxides Natural gas g/m³ 0,08
 0,08
fuel oil 0,26
 0,26
Adjustment range % 30-100
 30-100
Boiler weight (without burner, without water) kg 25570 
 25270
Water volume of boiler m³ 5 
 5 
Heating surface area m² 745
 745

PRODUCT DESCRIPTION

GEOTHERM ® WMB series boilers are designed to produce hot water. Boilers are focused on heat supply of industrial and domestic facilities.

GEOTHERM ® WMB series boilers are produced with three temperature schedules 70-95 °C; 70-110 °C; 70-150 °C.

GEOTHERM ® WMB series boilers are produced with a capacity from 0.63 to 35.0 MW.

The fundamental difference between the GEOTHERM ® WMB series boilers and the GEOTHERM WGB(3P); GEOTHERM WGB(P); GEOTHERM WGB(V) series boilers is that an intermediate collector is provided in the pipe system and niches for ash removal are located under the convective part. An intermediate collector is necessary to increase the pitch in the convective surface, this avoids clogging of the convective surface with fuel oil. The niches are designed to remove ash residue that forms on the convective surface during the combustion of fuel oil. The main advantage of boilers of this series is that they can run on fuel oil.




The main components of the GEOTHERM ® WMB series boilers:

  • Collector frame - serves to distribute water flows depending on the hydraulic circuit of the boiler and the connection of the boiler to the external strapping.

  • The convective section is the main part of the boiler pipe system.

  • The support frame serves as the base for the installation of the boiler pipe system.

  • Stiffness belt - serves as a frame to ensure the rigidity of the boiler.

  • The flue duct with an explosive valve - serves as a channel for the discharge of exhaust gases.

In the design of the GEOTHERM WMB 20 boiler, an additional collector is provided and the pitch of the convective panels is increased, this avoids clogging of the convective surface.