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MERCEM300Z Intelligent mercury monitoring Florian Greiter, Produkt Management.

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Presentation on theme: "MERCEM300Z Intelligent mercury monitoring Florian Greiter, Produkt Management."— Presentation transcript:

1 MERCEM300Z Intelligent mercury monitoring Florian Greiter, Produkt Management

2 : SICK AG: Confidential: Florian Greiter, Product Management2 MERCEM300Z – Table of contents : System components and measuring principle : Test results and certification : Summary

3 : SICK AG: Confidential: Florian Greiter, Product Management3 MERCEM300Z – Overall system Gas sampling system Heated sample gas line Bundle of pipes Exhaust air Control of main valve Electrical connections : Our solution – high temperature

4 : SICK AG: Confidential: Florian Greiter, Product Management4 MERCEM300Z – Sample gas supply Ejector Sample gas line

5 : SICK AG: Confidential: Florian Greiter, Product Management5 MERCEM300Z – Gas flow diagram CALSIC300 Ejector Ejector airExhaust gas Sample probe Sample gas line Filter Nozzle Pressure control for flow control Cell Optics Evaporator 1000°C Cell

6 : SICK AG: Confidential: Florian Greiter, Product Management6 MERCEM300Z – Sample gas supply : MERCEM300Z Ejector principle : Advantages: -No moving parts -Wear-free -Flow control via pressure sensors -High gas flow results in short response time : Benefits Very low operating expenses Measuring certainty due to control Longest certified measuring gas line with 35m

7 : SICK AG: Confidential: Florian Greiter, Product Management7 MERCEM300Z - Design High temperature cell

8 : SICK AG: Confidential: Florian Greiter, Product Management8 All optical measuring principles are based on the measurement of elemental mercury (Hg 0 ) ! Conversion of mercury compounds (Hg + ) to elemental mercury (Hg 0 ) -Wet chemistry: HgCl 2 + SnCl 2 -> Hg 0 + SnCl 4 -Thermo converter: approx. 200-400°C -High temperature: from approx. 800°C SICK: ~ 1000°C MERCEM300Z – Hg - Conversion

9 : SICK AG: Confidential: Florian Greiter, Product Management9 High temperature 1000 °C MERCEM300Z – Hg - Conversion Sample gas outlet = HgCl 2 = Hg Sample gas inlet : High temperature conversion -Heated quartz cell (1000 °C) -Double walled HgCl2 + High temperature Hg0 + Cl2

10 : SICK AG: Confidential: Florian Greiter, Product Management10 MERCEM300Z – Design Optical unit

11 : SICK AG: Confidential: Florian Greiter, Product Management11 MERCEM300Z – Measuring principle Absorption spectrum elemental Hg 1000°C II0I0 How to determine the concentration? Detector Hg Lichtquelle I0I0 I Measuring pathLight source Reference signalMeasuring signal Absorption Wave length / nm Conc ~ I 0 / I Atomic absorption spectroscopy

12 : SICK AG: Confidential: Florian Greiter, Product Management12 MERCEM300Z – Measuring principle Zeeman Atomabsorptionsspektroskopie B + - Photo elastic modulator (50kHz) Polarizer Hg – light source Detector Absorption spectrum Hg 0 Light source Chronological differentiation of the signals: 2µs Light waves of different polarization

13 : SICK AG: Confidential: Florian Greiter, Product Management13 MERCEM300Z – Measuring principle : Advantages of Zeeman - AAS -Continuous measuring method -No moving parts No mechanical wear Long-term stability (Maintenance cycle of light source: 1 year) -Automatic drift correction for Light source modifications Contamination of optical surfaces -Identical influence of cross sensitivity components on measuring and reference signal Best possible cross sensitivity correction B + - Hg - Lichtquelle

14 : SICK AG: Confidential: Florian Greiter, Product Management14 MERCEM300Z – Measuring principle : Influence of cross sensitivities; e.g. SO2 measuring wave lengths

15 : SICK AG: Confidential: Florian Greiter, Product Management15 MERCEM300Z – Measuring principle : Influence of cross sensitivities; e.g. SO2 measuring wave lengths

16 : SICK AG: Confidential: Florian Greiter, Product Management16 MERCEM300Z – Measuring principle : Influence of cross sensitivities; e.g. SO2 : Wave length of measuring and reference signal are almost identical The interference caused by cross sensitivity components stays constant within the wave length interval! Thus the cross sensitivity is immediately compensated. measuring wave lengths

17 : SICK AG: Confidential: Florian Greiter, Product Management17 MERCEM300Z – Measuring principle : Influence of cross sensitivities (results from type approval) Component Concentration Cross sensitivities on Hg SO 2 1000mg/m³-0.065µg/m³ H 2 O30Vol%0.060µg/m³ HCl200mg/m³no CS NO300mg/m³no CS NO 2 30mg/m³0.090µg/m³ O 2 21Vol-%-0.120µg/m³ All other tested cross sensitivities are below ± 0.05 µg/m³ = <0.5% certification range

18 : SICK AG: Confidential: Florian Greiter, Product Management18 MERCEM300Z – Measuring principle : MERCEM300Z measuring principle: Zeemann AAS : Advantages: -Continuous measurement -No moving parts -Automatic drift correction -Best possible cross sensitivity correction : Benefits Easy design – Easy access, no black box Very low operating expenses

19 : SICK AG: Confidential: Florian Greiter, Product Management19 MERCEM300Z – Patented extractive direct measurement : MERCEM300Z: Patented extractive direct measurement -Measurement within heated cell of about 1.000 °C : Advantages -No Hg – recombination -No memory effects -Continuous monitoring of total Hg : Benefits -Reliable monitoring of total Hg independent from plant conditions -Measuring certainty

20 : SICK AG: Confidential: Florian Greiter, Product Management20 MERCEM300Z – Internal adjustment Optical unit

21 : SICK AG: Confidential: Florian Greiter, Product Management21 : MERCEM300Z Integrated Adjustment Cell -Generation of a defined long-term stable Hg - signal with adjustment cell (patent pending) : Advantages -No test gas required -Automatic drift control -Full adjustment of optical bench : Benefits -Measuring certainty -Saves operational expenses due to drift control without test gas MERCEM300Z – Internal adjustment

22 : SICK AG: Confidential: Florian Greiter, Product Management22 MERCEM300Z – Test gas generator CALSIC300 Vaporizer Sample gas line

23 : SICK AG: Confidential: Florian Greiter, Product Management23 : CALSIC300 (option) -Vaporization of liquid HgCl 2 -solution of known concentration -Realization as automated span gas function -Three predefined span concentrations possible -Automatic injection before sampling filter unit MERCEM300Z – Test gas generator

24 : SICK AG: Confidential: Florian Greiter, Product Management24 : MERCEM300Z – CALSIC300 : Advantages -Adjustment of overall system -Fully automated QAL3 function included -Check of conversion rate included : Benefits -Measuring certainty due to check of overall system -Saves operational costs: No additional costs for test equipment, e.g. test gas, Hovacal …. No additional costs for technician MERCEM300Z – CALSIC300

25 : SICK AG: Confidential: Florian Greiter, Product Management25 MERCEM300Z – Adjustment during field test High Middle Low Adjustment cell

26 : SICK AG: Confidential: Florian Greiter, Product Management26 : MERCEM300Z System housing : Advantages -Standardized setup -Easy to maintain -Full air conditioning (-20 to +50°C) -Protection grade IP55 -Dimensions: H W D 1800mm x 1050mm x 745mm -Weight: approx. 250 kg : Benefits -Convenient and fast access for easy service -Stable measuring results in harsh and/or difficult ambient conditions MERCEM300Z – Cabinet

27 : SICK AG: Confidential: Florian Greiter, Product Management27 MERCEM300Z - Design High temperature cell Optical unit Ejector Electronics CALSIC300

28 : SICK AG: Confidential: Florian Greiter, Product Management28 MERCEM300Z – Table of contents : System components and measuring principle : Test results and certification : Summary

29 : SICK AG: Confidential: Florian Greiter, Product Management29 MERCEM300Z – Certification

30 : SICK AG: Confidential: Florian Greiter, Product Management30 MERCEM300Z – Certification

31 : SICK AG: Confidential: Florian Greiter, Product Management31 MERCEM300Z – Type approval : Type approval according to EN15267 -Approved measuring ranges: 0-10/45/100/1000 µg/m³ -Lowest approved measuring range for mercury analyzer: 0 – 10 µg/m³ -Highest approved measuring range for mercury analyzer: 0 – 1000 µg/m³ -Unique maintenance interval: 6 months! -Unique type approved system which is certified to monitor mercury at all relevant plant types (waste incineration, power plants and cement plants) : Successful implementation of system at 3 plants where no other mercury monitoring system could be calibrated -Cement plant (Germany) -Lime plant (Rheinkalk) Germany -Sinter metal plant

32 : SICK AG: Confidential: Florian Greiter, Product Management32 MERCEM300Z – Type approval

33 : SICK AG: Confidential: Florian Greiter, Product Management33 Raw gas monitoring: waste incineration plant : Raw gas monitoring at a waste incineration plant : Hg- Concentrations between 500 µg – 4000 µg : No change in system setup : Uninterrupted operation since 4 months Adjustment with internal CALSIC300

34 : SICK AG: Confidential: Florian Greiter, Product Management34 MERCEM300Z – Table of contents : System components and measuring principle : Test results and certification : Summary

35 : SICK AG: Confidential: Florian Greiter, Product Management35 MERCEM300Z – Summary MERCEM300Z Features : Precise measurement of total mercury directly in a thermal converter (patented) : Measuring operation without using consumables : Very low maintenance gas sampling using an ejector pump – no moving parts : Integrated adjustment cell for automatic drift correction Benefits Reliable results of the actual measuring values of elemental Hg and Hg- compounds in gases Very low operating expenses Minimum maintenance expenditure Long-term stability without the need of a technician due to self – adjusting measuring system

36 : SICK AG: Confidential: Florian Greiter, Product Management36 MERCEM300Z – Summary MERCEM300Z Features : Automatic adjustment of the entire measuring system with a built-in test gas generator (optional) : Modular design with the entire system : Rugged housing for use in harsh industrial environments Benefits Measuring certainty using the fully automated adjustment with test gas Convenient and fast access for easy service and user-friendly remote diagnosis Stable measuring results in harsh and/or difficult ambient conditions

37 : SICK AG: Confidential: Florian Greiter, Product Management37 MERCEM300Z – Questions ? MERCEM300Z Innovative mercury monitoring


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