Gas rig manual 1.1
Contents
1. 7 0 100 min mn H2 fuveN 0 100 minimn H2 10 lurve 100 furveW 4 0 100 2 Lurve Lurve 6 at Enter factor EXIT Figure 8 Calibration curve for MFC62. Vil In a green window above BPC type desirable pressure between 0 50 bars EV10 and EV8 are fast switching valve Clicking on them you will change the position of the valve towards cell or towards vent If you don t use steam is highly recommended to use only EV10 There is no need for you to use and 8 Click on a green process button Procedure for connecting bottles i ii iii iv v vi vii viii ix x Xi Purge lines which will be use at least for 30 min with He or N2 In appendix A is a list of calibration curves inserted in each MFC according to a flow rate and a gas According to your experimental proposal select the MFC which is the most suitable for your reaction process in terms of flow rate and type of a gas Go to the panel with pressure regulators in the corridor and look for a line with a pressure regulator which refers to a selection of MFC in a step Connect a gas cylinder with correct bottle connector installed on flexible hose The stainless steel flexible hose are permanently connected to a gas panel In order to change a bottle connector disconnect fast connect adapter on a bottle connector Make sure that pressure regulator is closed and upstream and downstream pressure set to zero If not release the pressure by following procedure Close pressure regulator and slowly open vent valve Once pressure is released keep vent valve open and slowly open pressur
3. Live customized 0 100 0 100 2 0 100 02 0 100 min mn 0 100 min mn 02 10 He 0 100 min mn CO2 10 Enter K factor Figure 3 Calibrations curves for MFC1 O x w Calibration curve MFC2 furveN 13 02 2 0 30 02 10 lurve 12 min mn N20 0 25 minimn N20 10 He lurve 5 NTF Enter factor customized EXIT Figure 4 Calibration curves for MFC2 Calibration curve MFC3 7 0 15 25 5 N 13 CO2 0 25 minjmn 2 10 lurve 5 Enter factor customized EXIT Figure 5 Calibration curves for MFC3 w Calibration curve 7 12 minimn N 0 10 minfmn NO2 fuveN 0 20 minimn NO2 5 0 25 minimn H2 5 LwveN 5 0 12 min mn H2 lurve N E 6 Enter factor EXIT Figure 6 Calibration curves for MFC4 w Calibration curve 5 1 0 20 minimn C3H6 Luwve N 0 20 min mn C3H8 0 30 minimn C2H6 4 0 30 minimn C2H4 47850 0 30 min mn CH4 Gas Enter K factor EXIT Figure 7 Calibration curves for 5 Calibration curve MFC6
4. though the computer is already running Start GAS RIG application In the top left corner is icon called PORT choose COM1 Wait few seconds for establishing digital communication between PC and RS232 remote converter Once the connection is established it will appear on your screen a picture as shown in Figure 2 If an error message incorrect port appears on the screen restart again DUBBLE15 PC Once you connected gas cylinders make sure that end of line ON OFF valves are open on the MFC panel and two valves on back pressure controller panel are in position towards BPC Make sure two manual valves before exhaust are open How to operate software while using only gases Following establishing connection and double checking that everything is connected properly you can start typing in desirable value for a gas flow and pressure 1 ii iii iv Double clicking i 1 6 it will pop up window as shown in appendix A where are displayed calibration curves for each MFC Choose one calibration curve by clicking on circle Click on red square below EVi i 1 6 This will result in changing a colour from red to green Red colour pneumatic valve closed green colour pneumatic valve open Open only EVi valves which you will use Type in window above MFC desirable flow which must in the range stated in calibration curve Keep hands off from clicking on buttons heat off 1
5. Gas user manual BM26 Gas rig DUBBLE Inside the EXAFS hutch He 20 bars i Steam generation Start up l troll is ressure controller gas panels i 1 5 1 Heated gas lines 50 bars T piece connector for mass 8 spectrometer 030 50 bars z Exhaust 5 BBS mi 1 Tpece a E E E E EEE p Swagelok connectors 2 T pieces for connecting another cell 2 condensers 50 bars i 2 5 50 bars Figure 1 Scheme of the whole installation Abbreviations mass flow controller BPC back pressure controller Operating procedure Switching on the gas rig 1 ii iii iv 1 Switch on main power supply on the electrical box placed inside the experimental hutch The switch is mounted on the left hand side of the box Turn red button clockwise into the position ON Wait few seconds to system to start Switch on compressed air which is needed for opening pneumatic valve Open vent valve Restart the DUBBLE 15 computer even
6. e regulator in order to set upstream pressure to zero Open ON OFF manual valve connecting flexible hose Open GENTLY valve on a gas cylinder Vent a gas cylinder couple of times as described in paragraph v for pressure release procedure Make sure that vent and purge valves are closed during a gas delivery to experimental hutch Make sure the end of line valve installed on the MFC panel in experimental hutch are open for lines in use Once you finished you experiment purge all used line MELANGEUR MASSIQUE Port oo EY COM1 _ 2 5955 0 100 min mn 2 58505 0 25 min mn N20 10 FIC2 5850 0 15 min mn CO 07 EV4 FIC4 2 5545 0 12 NO FICS lt gt 4 0 sese Ca 0 50 bars 0 14 Bars j SERV sese C INSTRUMENTATION 0 50 bars mesure et contr le vos fluides 22445545 0 20 C3H6 EV6 i FIC6 5503 0 100 min mn 2 Figure 2 Screen shot of software after starting Gas rig application Appendix List of calibration curves inserted in each mass flow controller Calibration curve Lurve N 2 N F N 4 Liurve lurve
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