Application examples for exhaust gas heat exchangers

Integration of flue and exhaust gas heat exchangers on the gas side

A1

Boiler / CHP unit

A2

CHP unit / industrial application

A3

CHP unit / industrial application

A4

Industrial application

A5

Industrial application

Integration of flue and exhaust gas heat exchangers on the water side

W1

Installation example W1

W2

Installation example W2

W3

Installation example W3

W4

Installation example W4
ATB = Flue/exhaust gas temperature limiter
HK = Heating circuit
HT = High temperature heating circuit
M = Motor/actuator
NT = Low temperature heating circuit
STB = High limit safety cut-out
1) The flue/exhaust gas path must always be open in one direction. A CHP unit must not be operated with dampers closed.
2) This damper must only be closed during maintenance.
Please note:
The colder the return temperature at the heat exchanger inlet, the higher the energy yield.
Note:
The images shown are intended as examples only and merely provide a greatly simplified illustration.
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