INTRODUCTION TO HX-NET

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Presentation transcript:

INTRODUCTION TO HX-NET User Interface

SOFTWARE STRUCTURE Heat Integration Case Heat Integration Project One scenario (set of streams) Heat Integration Case One design (network) Design – Operation mode Multiple scenarios Heat Integration Project Multiple designs (for each scenario) Design - Retrofit mode

Class example Stream Conditions mCp [KW/C] Tin [C] Tout H_Stream1 hot 8.0 300 150 H_Stream2 2.0 50 H_Stream3 3.0 200 C_Stream4 cold 5.0 190 290 C_Stream5 90 C_Stream6 4.0 40

Stream 1 2 3 4 5 6 290 C 190 C 140 C 90 C 40 C mCp 8.0 2.0 3.0 5.0 8.0 4.0 KW/C 300 C 200 C 150 C 100 C 50 C 300 KW -50 KW -350 KW 50 KW

At pinch: (mCp)hot ≤ (mCp)cold Stream 1 2 3 4 5 6 290 C 190 C 140 C 90 C 40 C mCp 8.0 2.0 3.0 5.0 8.0 4.0 KW/C 300 C 200 C 150 C 100 C 50 C 300 Q=500 290 4 4 190 237.5 Q=700 190 190 QH = 100 5 3 3 150 200 Q=300 165 2 2 100 90 102.5 150 Q=100 1 1 100 90 At pinch: (mCp)hot ≤ (mCp)cold

At pinch: (mCp)hot ≥ (mCp)cold Stream 1 2 3 4 5 6 290 C 190 C 140 C 90 C 40 C mCp 8.0 2.0 3.0 5.0 8.0 4.0 KW/C 300 C 200 C 150 C 100 C 50 C 100 Q = 100 90 6 6 50 40 100 Q = 100 90 7 7 66.7 40 QC = 50 8 50 At pinch: (mCp)hot ≥ (mCp)cold