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Hydraulic cylinders and components, hydraulic systems, gas springs & shell and tube heat exchangers : Quiri

Steam condenser

Industries concerned : 
Product concerned : Shell and tube heat exchangers
Steam condenser : Shell and tube heat exchangers - Quiri
At a time when all thermal systems ensure maximum efficiency, condensate heaters allow maximum energy recovery and thus contribute to climatic issues.

Thermal Specificities:


Quiri, as a specialist of heat exchangers, can provide you a condensate reheater / vapour condenser


Equipment delivered in England in 2018, as part of the manufacturing of a waste facility combined with a power plant.

The project will be able to generate up to 43MW per year of electricity from the incineration of household waste for the region and provide steam for a paper mill.

The condensate reheater supplied by Quiri is part of a set of 4 heat exchangers: two condensate reheaters, one feedwater heater and one dearator vapour condenser.

The function of these shell & Tubes exchangers is to reheat condensates from the steam coming from the upstream turbine.

The heat exchanger, of Quiri thermal design, condenses the steam with an integrated sub-cooling system of the condensed steam.



Some Technical Data :

Shell Side Tube Side
Nature of the fluids Steam / Gas 2 Water / Liquid 2
Number of passes 1 4
Service Temperature (inlet / outlet) °C 81.56


48 43.4 75.6
Service Pressure Bar (a) 0.5 20.5
Main Dimensions
Power MW 10.5
Exchanged Area Installed 392
Bundle tubes Type Bended U-tubes
Shell Diameter mm 1000



Geometric Specificities :


Horizontal tubular heat exchanger, overall length 8500 mm, empty weight 10 Tons.

Shell & Tube Exchanger , type BXU – with removable head and bundle



Construction Specificities:


Code : EN 13445

Regulation: DESP 2014/68/UE

Calculation temperature:  -10°C /150°C tube side and shell side

Design pressures: -1/ +.30 bar (g) tube side and shell side

Test pressures: 44 bar (g) tube side and shell side

Risk category IV, reception modula G

Welding coefficient 0.85


Metallurgy :

  Material Norm
Shell P265 GH EN 10028-2
Tubesheets P355 QH EN 10222-2
Flanges P355 QH EN 10222-2
Head P265 GH EN 10028-2
Bundle tubes 1.4404 EN 10216-5
Tubes Gr6 ASTM A333
Baffles S235JRG2 EN 10025


Tubes / Tubesheet connection: welding and expansion

Welding procedures: EN ISO 15614-1 or EN 288.3

Welders certifications: According to EN 287.1 or EN 1418

Semi-automatic MIG/MAG processes



Quality Specificities:


Quality Plan according to client specifications, to the requirements of European and local regulations.

Data log book in English.

Equipment installed in England; the CDM (Construction Design and Maintenance) Regulations 2015 were applicable to the project.

Employees trained and approved for CDM 2015

3D view :

Steam condenser : Shell and tube heat exchangers - Quiri - 2