Steam generator from Büttner

Profitable and safe operation with either thermal oil or flue gas

Many branches of industry rely on production methods utilising process steam. Büttner's steam generators supply steam both indirectly with thermal oil and directly with flue gas produced from biomass combustion – safe, reliable steam for diverse applications, customised to meet the individual need of each facility. 

For the construction of its steam generators, Büttner uses the experience in steam boiler construction established at the end of the 19th century and combines this with modern technology, guaranteeing safe and profitable facility operations.

  • Indirect steam generation with thermal oil
  • Direct steam generation with flue gas from biomass combustion
  • Defibrators or refiners, wax smelters, sifters and heating for buildings are just some of the applications for steam generators.
  • Design, construction, assembly and inspection of steam generators in compliance with EN, ASME or GOST norms

Direct method

For the direct method, steam is produced directly from flue gas combustion. Here the steam generator consists mainly of a preheater (economiser), an evaporator and a steam drum. The feedwater pump carries feedwater through the preheater and into the steam drum. From there the water flows through the downpipes to the evaporator, where a part of the feedwater is turned into steam. The water-steam mixture is injected through riser tubes and into the steam drum, where it is separated. Afterwards, the separated steam is sent out to the consumers. The difference in the density between cold and hot water drives the stream of water and steam from the steam drum down to the evaporator and then up to the steam drum again (natural circulation).

Indirect heating

For indirect heating, steam is generated with thermal oil. The steam generator consists primarily of a pressure tank with a coil through which the thermal oil flows. The feedwater pump moves feedwater into the pressure tank, where it is heated until it boils and the water-steam mixture is then separated. The separated steam then makes its way to the consumers. Saturated steam is utilised for indirect steam generation.