09-01a LAR Quick-TOC-purity UK.pub - ODS
Contents
1. brochure ODS sx in Samplers amp Analytical vit oxi 4 sh T P o we re On line low level TC TOC analyser Model Quick TOC purity for return condensate amp boiler feed water TC TOC and TIC analyser model Quick TOC purity The model Quick TOC purity analyser manufactured by LAR Process Analysers AG Berlin is a high quality Total Carbon Total Organic Carbon and or Total Inorganic Carbon analyser The Quick TOC loop is especially suitable to monitor the contamination of clean water such as steam condensate return condensate boiler feed water make up water surplus water tap water en demin water This analyser is fast sensitive reliable and offers low maintenance ene a ee im E E Eeyore LOE a The Quick TOC purity analyser is available as a e TC analyser which analyses the sum of organics TC and bi carbonates TIC Over 90 96 of the application use the TC only method It monitors total organic carbon as well as carbonates also not wanted in the boiler and is the most rapid analyser e C direct which analyses all Non Purgable Organic Carbons NPOC e T C differential which analyses in two steps the total organic carbon TC and the Total Inorganic Carbon TIC and calculates the Total Organic Carbon Model Quick TOC purity uses a totally closed loop injection system operating at 0 4 barg preventing any contamination from out the ambient environment The fixed loop volume and2. C 2 pd os zl x Carper qas DON aerosolfiler acid trap mass flow air filter volumetar oullet controller IR detector oullet cooler condensed walter V SA condensed water ae peristaltic pump Flow diagram 2 stream TC analyser Interior Quick TOC purity analyser ODS Sampling amp Analytical Systems Phone 31180640879 Fax 31180640569 odsanalytical odsbv nl www ods analytical systems com ODS spe alist in sample S amp Anc uc JS opm E E PS a a m Y A em Ua LN EED S am On line low level TC TOC analyser Model Quick TOC purity for return condensate amp boiler feed water Hardware analyser cabi net The Quickpurity is built in a rugged steel stainless steel cabinet The analyser is suitable for wall frame or strut mounting It has two separate compart ments Both compartments are easy accessible for maintenance The analyser compartment have the following features e Dry compartments for the electrical distribution units power supplies electron ics e g l O nodes and CO2 detector Wet compartment for the sample vessels sample Stirrers injection system electrical oven with reac tor tube peristaltic pump peltier cooler etc Purpose Standard industrial area e g an analyser shelter build ing factory Industrial area with risk of corrosive vapours and gas
3. ses Hazardous area with risk of explosive gasses or vapours according ATEX zone 2 Hazardous area with risk of explosive gasses or vapours according ATEX zone 1 IP classification IP54 IP64 IP64 IP64 Hazardous area according Ex Il 3 ex pz lls Ex Il 2 G Ex px UTS Ambient air temperature e recommended e 5 to 30 C e 5to 25 C e 510 25 C 4510 25 C e Minimum maximum e 0to 38 C e Oto 30 C e Oto 30 C e Oto 30 C Ambient air humidity Max 9596 non condensing Max 9596 non condensing Max 9596 non condensing Max 9596 non condensing Cooling heat transfer by ambient air and a fan Integrated advanced air air heat exchanger Integrated advanced air air heat exchanger Integrated advanced air air heat exchanger Material of the cabinet Steel coated grey hinges left side window Securit Stainless Steel 316 brushed coated transpar ent hinges left side window Securit Stainless Steel 316 brushed coated transpar ent hinges left side window Securit Stainless Steel 316 brushed coated transpar ent hinges left side window Securit Dimensions hxwxd Excl glands connectors etc 1060x595x530 mm Request for a detailed drawing 1060x815x570 mm Request for a detailed drawing 1060x912x570 mm Request for a detailed drawing 1060x915x570 mm Request for a detailed drawing Weight 1 stream 105 kg 120 kg 1
4. 20 kg 120 kg High temperature version Ambient air 5 to 50 C via an integrated compres sor cooler Zero Air Supply e Passive by cartridges e Active by PSA Passive or Active e Yes e Yes recommended e Yes e Yes recommended e Yes recommended e Special via Ex d e Yes recommended e Option Special via Ex d ODS Sampling amp Analytical Systems Phone 31180640879 Fax 31180640569 odsanalytical odsbv nl www ods analytical systems com Co generator Commissioning and start up Sample conditioning systems in a boiler house Gaseingang Gas in Validation gas inlet Validation gas CO2 or CH4 Calibration standard or Grab ODS service engineer on site Sample inlet 3 stream analyser Air conditioning system ODS sample conditioning with heat exchanger to air 13213 NT ENDE jj Primary particle filter MILITE noemt CLASSIC Lopa ZEP Veniian We 138 rm i an Depth 100 m Cee m n Top view analyser walk in shelter ODS analyser shelter for a return Deaerator Sample conditioning panel with condensate project water cooler ODS hr Ac I e bist aT wae ae 41 41 Fetal Fal CAO a r T oO SLe Samplers amp Ane ly tice A r e i 1 Dew v See am AAA A I TI lt 4 em x Zane m iil Ux dl mm T a v On line low level TC TOC analyser Model Quick TOC purity for return condensate amp bo
5. 200 C and analyses of resulting carbon dioxide Prior to analyses inorganic carbon is removed via acidification and stripping of the sample e TOC differential An analysis method in two steps Step 1 TC Determination of total carbon content by non catalytical thermal combustion at 1200 C and analysis of resulting carbon dioxide Step 2 TIC Determination Total Inorganic Carbon by injecting the sample into a TOC reactor with acid Via purging with carrier gas the CO2 coming from the TOC is transported to the NDIR and measured TOC is calculated via TOC TC TIC specifications 1 or 2 or 5 or 10 or 20 or 50 or 100 and any other range to be speci fied free programming within limitations via multi loop injection Multi range option with 2 different NDIR s is available e 296 e lt 1 0 02 or 0 5 scale highest value 0 auto zero per analyses e TC 3 minutes TOC 5 5 minutes depending on range type of components absorption effects times of loop injections Non Dispersive Infra Red CO analyser NDIR maintenance free solid state with no moving parts Atmospheric or over pressure 0 05 to 0 2 self suction system 50 to 500 for continuous flow an overflow cup is recommended 60 option 80 Filtration is recommended to avoid fouling of wetted parts absorp tion and carry over effects and freak peaks Multi loop injection via a fixed loop volume and the use of 4 block and bleed valves Overpressure syst
6. 31180640879 Fax 31180640569 odsanalytical odsbv nl www ods analytical systems com em PE q P an 1 i20 LO Mitte a eL ALII VGB VdTUV All Pressure Levels a ar 7S EC ERUEGETUEAO Table 8 1 1 VGH Table 1 Parameter pH oH 25 C lt O 00F lt 0 007 Tanienpan fetar 01 zoms s003 s som sms 1 Tha pH in feedwater shall be achieved by dosing volatile alkalizing agents Ammonia NH since feedwater will be used as desuperheater spray water See also General Remark 3 2 Continuous Measurement 3 When the cation conductivity of the feedwater is gt 0 2 LiS cm for several days oxygen concentration shall be 0 02 mol not delectable 4 TOC shall be as low as practically possible pee TTE 1 EPRI All Pressure Levels se amnas ee a In case the flow for the IP and or HP system originates directly from the LP drum table 4 1 2 is not valid In stead reference is made to paragraph 5 2 Table 4 1 2 I pH copper bearing heaters 8 9 f 8 9 8 9 8 8 9 2 a Normal Oporating Limit Remarks Total hardness as ppm 0 003 92 96 1 4 CaCO max Oxygen ppm max b Iron ppm max Copper ppm max Organic ppm TOC max c Cat Conductivity uiS cm max Hydrazine ppm Silica ppm SiO f Oily Matter mg l max T The pH in teedwater shall be by volatile alkalizing agents Ammonia NH since feed water will be used se des
7. DF or Nylon Calibration standard Bench Mark Internal connection to a standard bottle part of delivery Recommended once per month with a fresh standard Reagents only TOC e Consumption litres per week Concentration Type e 2 Normal acidic acid phosphoric acid TOC direct or TOC diff Certification CE Cable entries Via glands top of cabinet Display Graphical LCD high resolution back lit 230 x 100 mm Control Auto start function Menu driven with help screens Data memory Internal flash card data storage of 1 month of measuring data Signals e Analogue output mA e 2 each 4 20 mA active isolated 500 ohm max e Digital output e RS232 string info available no software included e Relays outputs e 4 each contacts 30VDC 1 A free programmable fail safe e Remote Control e 2 each zero or 12 to 24 volt DC opto remote start of analyses Materials wetted parts in contact with the sample e Glass teflon Mounting e Wall e Flat horizontal surface like concrete or a frame e Delivery includes mounting materials 4 x screws M8 Guaranty period year 1 excluding all consumables and weir parts Documentation manual e Standard manual in the UK language includes flow schematics mounting dimensions and constructions electrical connections etc e Service manual with exploded views and spare part listing is avail able on request Recommended Maintenance frequency application dependable e Validation Calibration e 1x per mo
8. ed Multistream analyser ODS special The TOC analysers is available as a 3 stream 4 stream 5 stream analyser or even more The analyser will automatically select stream 1 2 3 4 5 1 etc Extra digital inputs are available for remote control functionality Gas validation It gets more and more complicated expensive and time consuming to prepare reliable low level standards Blanc water and standards are not always ad hoc available Via the gas validation routine the Quick TOC loop is checked fast via a gas bottle standard such as carbon dioxide in nitrogen CO2 in N2 or methane in nitrogen CH4 in N2 This procedure takes only some minutes The calibration gas is very stable and can be stored during many years Utilities Zero air generator Carrier gas such as instrument air needs to be clean of particles moisture hydrocarbons and Carbon Dioxide It is possible to use pressurised air and filtrate it via for example activated charcoal and soda lime These systems should be refilled monthly Especially for low ranges we advise the use of a zero air sypply These instruments combine catalytically conversion CxHy gt CO2 and Pressure Swing Adsorption with Molecular Sieve and remove automatically all traces of interfering gasses These units require very low maintenance once every 2 or 3 years Good quality instrument air of at least 4 5 bar is needed 30 normal litre per hour ODS Sampling amp Analytical Systems Phone
9. ed Carbon Dioxide Analyser NDIR CO2 This NDIR measures a CO2 peak the microprocessor reads continuously the NDIR analyser output and then calculates the peak surface mAsec In this way the system compensates eliminated for all long time effects such as NDIR drift temperature drift carrier gas quality etc The reproducibility of the Quick TOC loop is 0 mg litre C per year and 0 mg litre C per degree Celsius Program menu software display This low level TOC analyser uses a high tech microprocessor with an internal memory Via a menu next screens can be selected Information diagnostics historical data also graphical analyser settings and parameters A big easy to operate membrane keyboard and a big back light LCD black white graphical display makes it a easy to operate analyser After a power loss the analyser will perform a self start up cycle using the most recent parameters Diagnostics errors and fault finding The Quick TOC loop makes use of several extra sensors that are mounted into the carrier gas circuit By use of a mass flow controller the carrier gas is maintained extremely stable and constant Sample injection into the oven will result in a pressure change and so in a carrier gas flow pulsation If the sample is not injected this is measured and alarmed free programmable function The carrier gas at the analyser inlet and the analyser outlet are measured via mass flow sensors Any carrier gas leak or system plugging
10. em of 0 4 bar avoids any contamina tion from the ambient Typical 400 micro litre per loop injection 1 up to max 10 times per analyses e Wall mounted cabinet surface treated steel coated Wet compart ment and dry compartment e 1020 x 700 x 520 e P 54 inside use or in an analyser shelter e Safe area optional ATEX Ex p Zone 1 or 2 e 115 e O tot 35 e Max 95 RH non condensing non corrosive e 230 50 option 115 60 e 16 e ca 1100 during start up typical 800 average during operation ODS Sampling amp Analytical Systems Phone 31180640879 Fax 31180640569 odsanalytical odsbv nl www ods analytical systems com in Samplers amp Analytical System aii B n2 ay t9 2 Pe c1 D ne lg Ae Ty La x a HEN En CDL vs AEA T 21 D a y NN E Ewe I om Jia ODS specialist in On line low level TC TOC analyser Model Quick TOC purity for return condensate amp boiler feed water Carrier gas e Pressure barg e gt 1 5 bar lt 5 bar e Consumption flow normal litres minute e TC 20 normal litres per minute TOC 40 normal litres per minute e Quality e Free of oil hydrocarbons water vapour carbon dioxide Connections e Drain e Typical 1 or 2 PVC tubes 8 mm slope down e Carrier gas e 6mm bulkhead connector PVDF or Nylon e Exhaust carrier gas e 2 each 6 mm bulkhead connector PVDF or Nylon e Sample inlet TOC or TC e 6mm via gland or 6 mm bulkhead connector PV
11. flow controlled carrier gas circuit results in a perfect stability and performance typically 296 repeatability and 196 reproducibility The detection limit is 0 02 milligram per litre 20 ppb C which implements that the analyser can easily be used to monitor alarm levels of 100 microgram per litre 100 ppb C This Quick TOC purity analyser uses the 1200 degree Celsius thermal oxidation technique Organic hydrocarbons will be oxidised completely resulting in a very fast response time and a recovery oxidation efficiency of 100 This TOC analyser is very suitable to be used in industrial environment The analyse cabinet has two compartments e Adry compartment for all electronics microprocessor boards power supplies NDIR analyser carrier gas components etc A wet compartment for all parts in contact with the water such as the loop injection system the thermal oxidation oven the condensate cooler and pump etc Service engineers have full accessibility to all analyser parts Features Sample flow All wetted parts are inert materials such as Teflon and glass Absorption and memory effects are so reduced to a minimum resulting in a fast cycle time and rapid response time of 3 minutes This makes the analyser especially suitable for multi stream applications Closed loop injection system The complete wet sample system is hermetically closed The advantage is that there is no chance of contamination due to CO and o
12. has the experience of designing the complete analyser system and selecting the most suitable TOC analyser to meet all these requirements We also have the know how to engineer and install the correct sample extraction sample transport and sample conditioning sys tem In this article we will do some recommendations It is of great importance to transport the sample from take of point to the analyser in such a way that the sample composition keeps unchanged Furthermore the total response time of the system should be optimised Loss of expensive pure and hot water should be minimized ODS Sampling amp Analytical Systems biag Phone 31180640879 Fax 31180640569 ba odsanalytical amp amp odsbv nl www ods analytical systems com porum ODS specialist in Samplers amp Analytical i s ma E i Lae Eres Sm EN Reema 9 E eS r On line low level TC TOC analyser Model Quick TOC purity for return condensate amp boiler feed water Loop injection system i pressure gauge air pump i w J lt p d camer gas asp Low C inlet check valva volumatar pressure inlet reducing valve Legend TOC Loop gas tubing q liqids tubing 2 3 sb VI 2 2 LAXE EL um meme n sample in simam 2 injection naadia calibration 1 calibration 2 only necessary whan furnce head sample under pressure QuickTOCloop TC 2 Kanal P furnace wilh reactor i
13. iler feed water i alyser model Quick TOC purity series Specifications EN Supplier ODS Instrumentation Barendrecht Type Model Quick TOC purity series Make manufacturer LAR Process Analysers AG Germany Berlin Use Stationary on line Applications Tap water steam condensate boiler feed water return condensate demin water etc Analysing method Conform to DIN EN 1484 ISO 8254 and EPA 415 1 Method description Total Carbon TC Option Total Organic Carbon TOC Measuring range milligram litre C or ppm Accuracy 96 deviation of reading in 20 100 of full scale e Repeatability e Reproducibility Sensitivity mg litre Zero drift mg litre C per year Minimum cycle time minutes e Cof TOC Type detector Sample delivery e Pressure bar Flow to the sample inlet ml min Temperature maximum C Particles Injection method and volume Cabinet e Type Material Dimensions outside h x w x d mm IP class Area Weight kg Climate conditions e Temperature Min amp Max C e Relative Humidity Power e Voltage frequency V Hz e Recommended fuse rating A e Power dissipation maximum VA Watt Determination of total carbon content by non catalytical thermal com bustion at 1200 C and analyses of resulting carbon dioxide e TOC direct Determination of non purgeble organic carbon content NPOC by non catalytical thermal combustion at 1
14. mprovements revision 2014 02 ODS Sampling amp Analytical Systems Phone 31180640879 Fax 31180640569 odsanalytical odsbv nl www ods analytical systems com
15. nth e Acid solution 5 litre e 1x per 4 to 6 weeks only for TOC analysers e Pump tubes of peristaltic pump condensate sample e 4 times a year 2 tubes 1 tube e Scrubbers ceramic material of oven e 1 per 1 or 2 years Analyser options Analyser options e 2 stream or multi stream more then one sample stream e Multi mA signal outputs software extension consult ODS e Cabinets special e SS for corrosive environments or ATEX Ex p zone 1 or 2 e Gas validation e Validation via a stable calibration gas CO or methane System Options Sample preparation and transport e Sample extraction probe e Take off point with retractable sample probe e Primary particle filter system e Mounting plate with on off valve manometer high pressure filter SS sintered filter element e Sample Conditioning Systems e Reducing and controlling sample pressure and sample temperature e Gas validation set e Pressure reducer for gas bottle and rotameter with needle valve Utilities carrier gas e Carrier gas out of ambient air e Canisters with activated charcoal amp soda lime air pump water trap e Carrier gas via Instrument Air supply e Pressure regulator manometer canisters with activated charcoal amp soda lime e Carrier gas via a maintenance free Zero Air Supply unit e Catalytical Conversion of CxHy and Pressure Swing Absorption on Molecular Sieve Specifications are subject to change by manufacturer or ODS without notice due to modifications or i
16. rganic hydrocarbons in the air The analyser performance will not be influenced by a highly polluted ambient air such as is common practice in an industrial area Multi Loop Injection system De loop is filled with sample and then injected directly into the reaction tube The loop volume 400 micro litre is constant resulting in excellent analyser repeatability and reproducibility The multi loop injection feature is used for low TOC ranges Rapidly the injection loop will be filled and injected into the reaction tube This results in one big CO injection peak Thermal oxidation At 1200 degree C all hydro carbons will be quantitative oxidised to CO The reaction tube itself as well as the content are all made of high quality ceramics No catalyst is used The advantage is that all hydrocarbons are oxidised for 100 Even hard to oxidise components that could harm a boiler or process installation will be completely oxidized ODS Sampling amp Analytical Systems Phone 31180640879 Fax 431180640569 Lat C SS odsanalytical odsbv nl www ods analytical systems com ODS sx in Samplers amp Analytical vit gt 4 sh T P wm XA On line low level TC TOC analyser Model Quick TOC purity for return condensate amp boiler feed water Auto zero The injection and oxidation of hydrocarbons will result in a CO2 peak This CO2 peak is transported via the carrier gas flow to a Non Dispersive Infra R
17. upeiester spray water eee also General Remark 3 a AVT not recommended for copper bearing cycles and associated low feedwater pH where the drum pressure is less than 400 psig Continuous Measurement b 0 002 ppm of oxygen should be retained in the boiler feedwater as a minimum c TOC Total Organic Compound TOC shall be as low as practically possible d Cation conductivity A phosphate treatment is first number the second number is for an AVT program NEM recommends a pH range of 9 10 e AVT program phosphate programs not recommended above 1500 psig f Because of its volatility the feedwater silica concentration cannot significantly exceed the maximum concentration permitted in the steam For HRSG s without reheat SiO lt 20 ppb is allowed When the steam goes to a turbine this limit is often between 0 020 and 0 010 ppm NEM strongly recommends an oxygen concentration of 5 ppb and allows an upper limit of 20 ppb g All values represent maximum allowable ODS Sampling amp Analytical Systems installed many on line process TOC analyser systems to monitor TOC contamination of pure water such as condensate return water boiler feed water purity water and steam condensate Nowadays the TOC limits as mentioned in official regulations and guidelines are very low An alarm setting of 0 1 or 0 2 mg litre C is common practice Most TOC analysers on the market are just not stable enough or suffer with memory problems ODS
18. will be measured and result in a screen warning message A relative humidity sensor monitors the carrier gas flowing to the NDIR indicating a failing condensate cooler The NDIR will be bypassed and an alarm message will be shown on the screen Furthermore the oven temperature 1200 degree C and the condensate cooler temperature 4 degree C are monitored Via the diagnostic menu the operator can select which diagnostic functions should result in an alarm or only as a Screen message Calibration bench mark grab sample inlet The Quick TOC loop offers a selectable input for either a wet calibration standard or a grab sample Validation or grab sample Via the mode single point measurement this standard or sample is analysed for example 5 times CV max 296 outliers max 1 menu selectable Results are shown as all values The calculated average TOC TIC the outlier correction and the CV Calibration This calibration routine will do a same procedure as the single point measurement validation function but it will afterwards correct the analyser response curve All calibration data is stored into memory Via the menu a weekly or daily automatic calibration can be generated An output contact can be programmed as analyser of line Options Two stream analyser The quick TOC loop is available as a 2 stream analyser The data is as sample hold presented via 2 each 4 20 mA outputs isolated active Totally 4 alarm contacts can be programm
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