Improvement of dynamic behavior of the evaporation process ... · 03.05.2017 · This document and...

Confidential - Copyright © BOSAL ECIThis document and the information embodied therein are the sole property of BOSAL ECI and may not be copied and/or used for any purpose without the prior written consent of BOSAL ECI

Energy Conversion Industry

Improvement of dynamic behavior of the evaporation process within a MCFC-humidifier

Dr. Ir. Jean-Paul JanssensHannover, April 2017Hall 27, Stand D52

Confidential - Copyright © BOSAL ECIThis document and the information embodied therein are the sole property of BOSAL ECI and may not be copied and/or used for any purpose without the prior written consent of BOSAL ECI

2

Confidential - Copyright © BOSAL ECI

Alkaline FC

Phosphor acid FC

Proton Exchange FCH2

H2O

O2

H2H2O

H2O

O2OH-

H+

AFC: Ambient temperature

PAFC: 180 °C – 220 °C

PEM: 30 °C – 80 °C

Types of Fuel Cells

Carbonate FC

Ceramic FC

CO2

H2+CO

H2+CO

H2O+CO2

O2

O2

CO3--

O--

MCFC: 650 °C

SOFC: 800-1000 °C

e-

H2O+CO2

3


The Humidifier Process

560°C

400°C

15°C

15°C

4


Performance: Effectiveness

5


BOSAL ECI Humidifier• Humidifier designed to deliver a

super heated NG/H2O mixture to the MCFC fuel cell.

• Modular build up with 7 cassettes each containing 6 modules of the BOSAL heat exchanger module.

• Humidifier module is designed, tested and build by BOSAL, according customer requirements.

• Testing performed at the customer test-rig.

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Background

7


BOSAL Group Global Footprint

750 MEuro 30 6 20 5000

8


Rankine cycle Evaporator components

forWaste Heat Recovery

of ICE

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Rankine Cycle Components

Extended product

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Design characteristics• Low backpressure exhaust side

• Effective heat transfer

• Modular based

• High pressure operation

• Capable of running dry

• Built-in phase separation

• Robust, compact

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Sizing and design

Zero-D One-D CFD

Performance Dynamics Uniformity

NON-DIMENSIONAL APPROACH

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Validation & Testing Capabilities• H2O based

performance test

• Extreme stable set-upwith and without expander

• ORC-performance projection with non-dimensional approach

• Component validation• Thermal LCF & NVH

• Dynamic behavior

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Certification

• Certification for 60 bars 600°C

- European PEDPressure Equipment Directive

- AD2000German Legislation

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USP’s• Modular and scalable design

• Flexible integration (in muffler): exhaust systems design is core competence of BOSAL

• Designed for robustness, endurance and misuse (able to run dry in hot exhaust)

• EU Pressure Equipment Directive & AD2000 certified design and manufacturing

• Accumulated operating hours, without failures

• Sizing capabilities for water and organic fluids

• Simulation models for system development, integration analysis & controls

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Endurance

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3600 hot starts Endurance

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BOSAL ECI Production Tube Heat Exchangers

• Steam engine evaporator production– BNLV Core production – BNLV Final Assembly

• Capacity– 10000 cells per year

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Dynamics

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Transfer Matrices

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Example: Exhaust systems tuningfre

quen

cy [H

z]

20 Log10 (|qeff|/2e-5)[dB]

X position [m]

Standing waves - 20 Log10 (|qeff|/2e-5) At tailpipe

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MCFC HUMIDIFIER INSIDE

NG

H2OEX

HAU

STFR

OM

FU

EL C

ELL

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Frequency plot on testrig

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Molten Carbonate FC Humidifier (2.5MWe)

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Conclusions

• MCFC Humidifier– Performance

− Effectiveness OK− Pressure drop OK− Stability (within +/- 1°C over 30 minutes (i.s.o. 70°C))

– Endurance− Fulfills trip condition requirements

• Other Hot Balance of Plant components (Hot-BoP) with similar characteristics

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BOSAL ECI Hot BoP Components

HALL 27 STAND D52

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BOSAL Energy Conversion Industry

BOSAL ECI:

MAKE ENERGY WORK!

HALL 27 STAND D52

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