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Our experts perform thermal, hydraulic and aerodynamic calculations using custom IVITAS programs, strength calculations of pressure components and calculations of piping routes, including elastic analysis in the CAEPIPE program.

Our specialists developed a custom IVITAS program for performing thermal calculations of steam and hot water boilers with a combustion chamber. The calculation methodology is based on the 1984 ON 07 0417 industry standard for performing thermal calculations on steam boilers, with modifications resulting from our twenty-five years of practical and theoretical experience gained in the design and construction of boilers.

We offer the following types of calculations:
•    Thermal and balance calculations
•    Strength calculations of boiler pressure components according to EN 12 952 and EN 13 480
•    Aerodynamic calculations
•    Hydraulic calculations
•    Wall temperature calculations
•    CFD modelling

Software for computational programs:
•    ANSYS Workbench 

Please submit your request to display technical calculations available for download.
Vent steam silencers
IVITAS carried out the design, manufacture and supply of three silencers for the new steam gas boiler room at OP PAPIRNA (member of DELFORT INTERNATIONAL) in the Czech city of Olsany.
Design of two-chamber flue gas heat exchanger
IVITAS provided workshop documentation for a two-chamber heat exchanger to heat combustion gas and air utilizing blast furnace flue gas. Our static calculation and optimization of the heat exchanger steel structure design respect the highest working temperature of flue gases (400 °C for up to 15 min.) and operating temperature of the blast furnace gas (240 °C max. at the highest working overpressure of 20 kPa).
Detail design of pipes in the turbine house
Detail design documentation of pipes including strength and stress calculations.
Design and delivery of high-temperature spring hangers
High-temperature spring hangers designed and delivered by IVITAS for the PRUNEROV II power plant, which is operated by the largest power generation group in the Czech Republic - CEZ .

Reconstruction of Hot Reheat Pipework for GE POWER in Great Britain

For our client, GE POWER, we delivered detailed engineering documentation for steam, unloading and drain piping of three boilers in a power plant in Great Britain.

Assessment of flue gas boiler

We were contracted by our client CS Cabot to assess problems they were experiencing with a flue gas boiler, which has a heat output of 8.25 MW. The heated flue gases utilized by the boiler come from the production of soot.

Flexibility analysis of steam pipelines for CEZ Prunerov Power Plant (EPR II)

We prepared a flexibility analysis of superheated steam pipelines at the EPR II power plant units for our client CEZ Energetické produkty. The purpose of the analysis was to verify the settings of individual spring hangers, including recommended measures for bringing them into their working areas.

Static calculation of turntable castings

In mid-May, we handed over a static calculation of a turntable with a diameter of 4.45 m to our customer, KOFING. The turntable replaces crates for the transport of spouts and inlets.

Documentation for boiler modifications that allow for biomass combustion

In July, our designers delivered final project documentation to PBS Brno for realization of the investment project “Boiler modifications to allow for biomass combustion at the Veolia Energie Kolin power plant”.

Feasibility study for adding LPG to existing fuel base

At the end of 2022, we submitted a feasibility study addressing supplementation of LPG to an existing fuel base at the site of a leading aerosol can manufacturer.