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Compressors in Biogas / Biomethane - Plants

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Presentation on theme: "Compressors in Biogas / Biomethane - Plants"— Presentation transcript:

1 Compressors in Biogas / Biomethane - Plants
Renewables Energy – Compressors in Biogas / Biomethane - Plants

2 Head of Business Unit – Biogas
Dipl. Ing. Axel Cichon Head of Business Unit – Biogas

3 Content of the Presentation
1) General Information Type of Gases and Analysis 2) Applications in Biogas and Biomethane Plants 3) Comparison Screw Compressor vs Reciprocating Compressor 4) Norms and Standards for Compressors in Biogas / Biomethane Injection Plants 5) Examples

4 Type of Gases and Analysis
Content of the Presentation 1) General Information Type of Gases and Analysis 2) Applications in Biogas and Biomethane Plants 3) Comparison Screw Compressor vs Reciprocating Compressor 4) Norms and Standards for Compressors in Biogas / Biomethane Injection 5) Examples

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6 DVGW G Anhang B – Beispiele für die Rohgaszusammensetzung und Kenndaten regenerativ erzeugter Gase und Deponiegase Attachment B – examples for the composition of crude gas and characteristic data of regenerative gases and landfill gases DVGW: German Technical and Scientific Association for Gas and Water

7 Biogas H ( extract from DVGW G 260, table A.2, S.28)
Analysis: gas analysis Biomethane acc. DVGW G260 (DVGW: German Technical and Scientific Association for Gas and Water) Gas Classification: 2. Gas family, Group H Biogas H ( extract from DVGW G 260, table A.2, S.28)  Gas component Ch. Formula Vol-% Mi(kg/kmol) nitrogen N2 0,75 28,020 carbon dioxide CO2 2,90 44,010 methane CH4 96,15 16,040 oxygen O2 0,20 32,00 total 100

8 Biomethane H+LPG ( extract from DVGW G260, table A.2 S.28)
Analysis: gas analysis Biomethane acc. DVGW G 260 (DVGW: German Technical and Scientific Association for Gas and Water) Biomethane H+LPG ( extract from DVGW G260, table A.2 S.28)  Gas Component Ch. Formula Vol-% Mi(kg/kmol) nitrogen N2 0,69 28,020 carbon dioxide CO2 2,68 44,010 methane CH4 90,94 16,040 oxygen O2 0,19 32,00 propane C3H8 5 44,09 butane C4H10 0,50 58,12 total 100

9 Content of the Presentation
1) General Information Type of Gases and Analysis 2) Applications in Biogas and Biomethane Plants 3) Comparison Screw Compressor vs Reciprocating Compressor 4) Norms and Standards for Compressors in Biogas / Biomethane Injection Plants 5) Examples

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11 Typical Compressor Applications in Biogas-Plants:
3 – 8 bar Typical Compressor Applications in Biogas-Plants:

12 Product portfolio of AERZENER Maschinenfabrik
Not in the AM program Not in the AM program Product portfolio of AERZENER Maschinenfabrik

13 3) Comparison Screw Compressor vs Reciprocating Compressor
Content of the Presentation 1) General Information Type of Gases and Analysis 2) Applications in Biogas and Biomethane Plants 3) Comparison Screw Compressor vs Reciprocating Compressor 4) Norms and Standards for Compressors in Biogas / Biomethane Injection Plants 5) Examples

14 Comparison Screw (oil injected) and Reciprocating Compressors
Screw Compressor (oil injected) Recipr. Compressor 1.) Characteristic positive displacement machine displacement piston a) Q1 – f (p) approx. constant b) ŋ ad tot wide range equally good c) ŋ tot – f (t) 2) Tip Speed medium low 3) Conveying fluctuations 4) Control characteristic good bad 5) Sensitivity against liguid relatively large 6) Reaction to pressure change direct 7) Shafts two one 8) Design of rotors / piston robust 9) Discharge Pressure range high very high 10) Moment of Inertia very small 11) Unit weight heavy very heavy 12) Forces of gravity no Foundation simple special 13) silencer pulsation damper

15 Biogas / Biomethane Injection Plants
Content of the Presentation 1) General Information Type of Gases and Analysis 2) Applications in Biogas and Biomethane Plants 3) Comparison Screw Compressor vs Reciprocating Compressor 4) Norms and Standards for Compressors in Biogas / Biomethane Injection Plants 5) Examples

16 DVGW VP Batterie Limits Gas Treatment / Gas Injection Plant to Gas Grids and related Norms and Standards

17 Norms and Standards for Compressors and Blowers in Biogas / Biomethane Plants

18 Norms and Standards for Compressors and Blowers in Biogas / Biomethane Plants
Technical Regulation Test specification VP / April Plants for treatment of biogas and injection into natural gas grids – Part 1: Gases generated by fermentation; design, production, construction, testing and commissioning

19 ATEX 94 / 9 EG The blowers and compressors must be designed according the ATEX directives explosion protection Zone I and or Zone II DVGW – Merkblatt G 440: Gas Treatment Systems: Inside the piping system: Zone 1 Outside (room): Zone 1 or Zone 2 Gas Injection Systems Inside the piping system: no Zone Acc. to the ATEX – directives the costumer has to issue an self – report to the explosion risks.

20 Content of the Presentation
1) General Information Type of Gases and Analysis 2) Applications in Biogas and Biomethane Plants 3) Comparison Screw Compressor vs Reciprocating Compressor 4) Norms and Standards for Compressors in Biogas / Biomethane Injection Plants 5) Examples

21 Project EWE – 4 x VMX 75 RD Biomethane Injection

22 Project Verbio / Schwedt – 4 x VMX 250
Biomethane Injection

23 Biogas blower 1,0 bar g / 1600 Nm3/h / - oil free Biomethane Compressor 16 bar g / 1400 Nm3/h - oil injected Biomethane Compressor 3,5 bar g / 1600 Nm3/h - oil free

24 Thanks for your attention !
…..….. questions please? Thanks for your attention !


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