Hot water boiler GEOTHERM WMB 29

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  • Heating capacity, kW 29000
  • Температура воды на выходе из котла, c◦ 110
  • Температура воды на входе в котел, c◦ 70
  • Boiler efficiency, natural gas, % 94,3
  • Расход топлива, природный газ, Н·м³/ч 3070
  • Температура уходящих газов, природный газ, c◦ 144
  • Аэродинамическое сопротивление котла (без горелки), Па 1560
  • Гидравлическое сопротивление, Мпа 0,12
  • Расчетное давление воды на входе, МПа 0,9
  • Расход воды через котел, т/ч 623,4
  • Удельный выброс оксидов азота, природный газ, г/м³ 0,08
  • Диапазон регулирования, % 30-100
  • Масса котла (без горелки, без воды), кг 47500
  • Водяной объем котла, м³ 5,5
  • Площадь поверхности нагрева, м² 812,2
  • Boiler efficiency, fuel oil, % 91,7
  • Расход топлива, мазут, кг/ч 2924
  • Температура уходящих газов, мазут, c◦ 192,5
  • Удельный выброс оксидов азота, мазут, г/м³ 0,26

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Specifications Units of phys. qt Standard size
Boiler type 29
Heating capacity kW 29000
Water temperature at the exit of the boiler ◦С 110
at the entrance to the boiler 70
EC (efficiency coefficient) of boiler Natural gas % 94,3
fuel oil 91,7
Fuel consumption Natural gas Nm3/h 3070
fuel oil
kg/h 2924
Exhaust gas temperature Natural gas ◦С 144
fuel oil
Aerodynamic resistance of the boiler (without burner) Pa 1560
Hydraulic resistance MPа 0,12
Design water pressure at the inlet MPа 0,9
Water flow through the boiler t/h 623,4
Specific emission of nitrogen oxides Natural gas g/m³ 0,08
fuel oil
Adjustment range % 30-100
Boiler weight (without burner, without water) kg 47500
Water volume of boiler 5,5
Heating surface area 812,2


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.

Explosive valves are located in the upper part of the flue, which, if the set gas pressure is exceeded during explosions and pops, protect the boiler from damage and destruction.

Advantages of the boiler geotherm series:

High efficiency

Gas-tight tube

Low NOx emissions

Quick launch

Reliable and simple performance

Modern design

Possibility to use boilers in open heating systems

Package supply

Wide size range from 0,25 to 68,9 mw

Application of boilers with burners from leading European and Russian manufacturers

Low hydraulic resistance

Simplified repairs