Bher全自动水蒸汽蒸馏装置手册剖析

1、behr S 5 fully automatic steam distillation apparatusOperati ng ManualPlease read this operati ng manual carefully before starti ng use of your new behr S 5 steam distillati on apparatus! The operat ing manual provides clear and simple in structi ons in the use of the apparatus. Additi onal in forma

2、ti on, which is useful and importa nt for an un dersta nding of the operat ing prin ciples of the apparatus, is deno ted by a gray stripe in the margi n.AWe wish you success in the use of the behrS 5 Steam Distillati on ApparatusSafety WarningsIn order to avoid electrical shock injury, please in sur

3、e that no liquids get into the apparatus hous ingAor come in con tact with the electrical wires and conn ecti ons!ATo avoid electrical shock injury, always remove the electrical power (ma ins plug before ope ning the apparatus hous ing!ARepair of electrical, electr onic and mecha ni cal comp onents

4、is only to be performed by suitably quali-?ed and authorized pers onn el!APlease rigorously observe all pert inent safety measures to avoid injury in worki ng with glass!AObserve carefully safety procedures in worki ng with acids and bases, which can cause bur ns and other injuries!ADuring the disti

5、llation and for a short time thereafter, do not touch any parts of the distillation system behind the Plexiglas door! These components may be hot and can cause bur n injury!Do not operate the S 5 steam distillati on apparatus in damp or explosive atmospheres!AThe maximum allowable humidity is 80%The

6、 maximum allowable room temperature iS 50 C Before shutt ing the S 5 dow n22 In sert ing the vessels22 Switchi ng the steam distillati on apparatuson22Rinsing 22 Purg ing program23Adapti ng the behr S 5 to your pers onal requireme nts24 Choos ing the Ian guage24 Con? gur ng the level sen sor24 Setti

7、rtge time24Downl oad Software-Updates24 select ing titrati on un it24 Cooli ng Water Source Sett in g24 What to do if (25Problems which you can solve yourself25 Sample vessel not in serted25 In suf? cient cooli ng water pressure25 Reage nt level sen sors25 In the eve nt that you are not using thebeh

8、r KAS 50 can ister set:25In the eve nt that you are using the behrKAS 50 can ister set:25 Titration vessel is full26 Problems requiring the attention of the behr repair service27 Tech ni cal Speci?cati on s28Overwiew: Menus and displays of the behr S 529Table of ContentsContents of Delivery5 Use of

9、the behr S 5 in Chemical An alyses5 Operati ngCon diti ons5 In stalli ng the behr S 57 Emplac ing the steam distillati on apparatus7 Connecting the hoses and tubing8 Connecting to the electrical power Iine8 Front view of the behr S 511 Turning the steam distillation apparatus on12 Preparations12 Swi

10、tching the S 5 on12 Distilling with the behr S 513 The operating control unit13 Programming the S 513 Distilli ng16 (Re? lli ng the reage nt lin es16In sert ing the glass comp onen ts16Switching the steam distillationapparatus on16 Performing the (re?ll ng17 Test run 17In sert ing the glass vessels1

11、7Switching the steam distillationapparatus on17 Starting the test run18En di ng the test ru n18 Automatic Distillation with the behr S 519Inserting the vessels19Switching the steam distillationapparatus on19 Starting the automatic distillation19In terrupti ng or term in ati ng thedistillatio nprogra

12、m19 Ending the automatic distillation19 Manual distillation with the behr S 520In sert ing the sample vessel20Switching the steam distillationapparatus on20 Performi ng a manual distillatio n20Ending the manual distillation21Contents of DeliveryPlease check immediately upon receipt to see that the c

13、ontents of delivery are complete and un damaged.In the eve nt of damage in shipme nt, con tact the ship-p ing age nt (mail, freight carrier, railway immediately and request an in specti on of actual con diti on of contents and packagi ng.The comp onen ts, which should be prese nt, are itemized in th

14、e follow ing list.List of Comp onentsbehr S 5 distillatio n apparatus, completely assembled Hose set:1 Water in let hose, 10/17, with ?“ and ? “ sta ndard ? ttin gs, 2 m1 Verprene tubing, 8/12,2 m3 PVC tubing, 4/7, 2 m2 PVC tubing, 8/12, 2 m3 PVC tube, 6 x 1,420 mm1 PVC tube, 10 x 1,420 mm1 Electric

15、al (ma ins cable1 Cable for titrator connection1 Cable for pHelectrode1 Crucible tongs Use of the behr S 5in Chemical An alysesThe behr S 5 is an effective automatic distillation appa-ratus for use in variousapplications. Principally, it ? nds application in the steam distillation of Kjeldahlammonia

16、 soluti ons. In this applicati on, the automatic additi on of NaOH, HO and H3BO3,as well as the automatic drain-i ng of spe nt sample waste, provide for a high degree of safety and convenience in use.Be certain to carefully implement the following guidance for the sake of safety in operati on and th

17、e greatest pos-sible work ing life of the behr S 5:Operate the apparatus always in accorda nce with the in structi ons and warnings in this operat ingmanu al!Modi? cati on or cha nges to the apparatus areun authorized and lead to term in ati on of the guaia ntee. Modi? cati ons may result in serious

18、 opera-tional safety hazards and /or reduced reliability of the S 5.Do not expose the steam distillation unit to cor-rosive vapors, such as acids, bases or orga nicsolve nts!Operat ing Con diti onsOperate the behr S 5 steam distillati on apparatus un-der no rmal laboratory con diti ons.The S 5 steam

19、 distillation apparatus may be con-nected to a cold water tap having asta ndard ?“ pipe thread.Contents of Delivery-5 -1.11.21.31.41.51.61.71.81.91.111.141.151.161.101.131.12Figure. 1: behr S 5 - rear viewRear view of the behr S 5Figure 1: Diagram Lege nd1.10verpressure steam release 1.9Diaphragm pu

20、mp for delivery of boric acid;Conn ecti on n ipple for 4/7 PVC tub ing1.2.Cooli ng water in let connection with ?ltersieve; ?“ conn ection for 10/17 PVC hose1.10Socket for electrical (Mains power cable 1.3Water outlet, 8/12 PVC tubing1.11Socket for level mon itori ng1.4Peristaltic pump for sample wa

21、ste disposal;-Conn ecti on n ipple for 8/12 Verpre ne tub ing1.12Pri nter port1.5Diaphragm pump for H20 for steam genera-tion; Conn ecti on n ipple for 4/7 PVC-tub ing1.13RS 232 port for titrator1.6Diaphragm pump for NaOH; Conn ecti on n ip-ple for 8/12 PVC-tubi ng1.1425-p in port for titrator1.7Exc

22、essive temperature circuit breaker 1.15RS 232 port for software updates 1.8Diaphragm pump for delivery of sample diluti onwater; Connection n ipple for 4/7 PVC tub ing1.16Socket for air ventIn stalli ng the behr S 5In installing the S 5, be certain to adhere to all building codes pertaining to plumb

23、 ing and towaste water disposal regulati ons.In select ing the locati on for in stallati on, keep in mi nd that the hoses and tub ing provided have a len gth of 2 meters.Place the behr S 5 steam distillation apparatus on a sturdy horizontal ? at laboratory bench top, with access to both water tap an

24、d draia nd suf? cient space for the reage nt containers below the bench top.Select a cold water tap to which you can permanently attach the hose for the cooling water supply.Faucets provid ing a mixture of hot an d/or cold water should not be used.The water pressure must be at least 0.5 bar for the

25、proper fun cti oning of the water pressuresafety mon itor.The steam distillati on unit is completely assembled by the manu facturer. Pleaseunpack it carefully.Emplacing the steam distillation apparatusPlace the apparatus on the bench top.Un pack the accessory parts.First, put the reage nt containers

26、 in place:Container for distilled waterContainer for sodium hydroxide (NaOHContainer for boric acid (H3BO3Container for sample wasteThe optimal locati on for these containers is directly be-n eath the laboratory bench top.In no case should the reage nt containers be placed at a level higher tha n th

27、e steam distillati on apparatus.Conn ect ing the hoses and tub ingPay careful attention to the labels of the hose and tube connections found on the back of the S 5.Insert the ends of the three 6 x 1 PVC tubes into the three 4/7 PVC tubing segments.Next in sert the end of the 10 x 1 PVC tube into an

28、8/12 PVC tubi ng segme nt.Make certain that the tubes are securely inserted in the PVC tubing segments.Insert two 6x1 PVC tubes into the container for distilled water. Connect the free ends of the PVC tub ing seg-me nts to the follow ing conn ecti on n ipples on the rear of the S 5:H2O for steam gen

29、 erator (1.5,H2O sample (1.8.Insert the third 6x1 PVC tube into the container for the boric acid and connect the free end of the PVC tubingsegme nt to the connection n ipple labelled H3BO(1.9on the back of the S 5.After inserting the 10x1 PVC tube into the container for NaOH, connect the free end of

30、 the PVC tubing segment to the connection nipple labelled NaOH (1.6 on the rear of the S 5.Usi ng the pressure-resista nt fabric-re in forced hose, con-nect the cold water tap? “ pipe thread to the ?“ ? tti ng labelled cooli ng water in let with ? Iter (1.2 on the rear ofthe S 5.Fin ally, connect th

31、e two discharge tub ing segme nts:Connect the Verpre ne 8/12 sample waste discharge tub ing segme nt to theconn ecti on n ipple labelled pump for suct ion sample (1.4 and in sert into the container for sample waste discharge.Connect the 8/12 PVC tube segment to the connection nipple labelled water o

32、utlet (1.3 and lead the other end to a drain.File the tubing of the titration device and the electrode cable through the opening (2.9, cf. page 10.Screw the tubing to the titration device. Connect the other side to the tirator (see user s manual of the tirator.Electrical connectionsConnect the titra

33、tor connection cable to the appropriate port of the S 5: Depending on the type of your titrator, it will ? t into the RS 232 socket (1.13 or the 25-pin socket (1.14.Screw the pelectrode to the electrode cable.Connect the other sides of the electrode cable and of the conn ecti on cable to the titrato

34、r.Fill some KCl soluti on (KCI 3 mol/l into the electrode protect ion vessel (2.8, page 10.Gently pull the protection cap off the electrode and put the electrode into the electrode protecti on vessel (2.8.Whe n you are not doing an alyses, always keepthe electrode in the protecti on vessel (2.8. Mak

35、esure there is eno ugh KCl solutio n in the vessel soas to keep the electrode membra ne wet. Do notleave the electrode dry; it would dry out andbecome useless.In case you are using the container set KAS 50:? Connect the in dividual sen sor cables from the va-ous reage nt containers to the cen tral j

36、unction box.Then connect the cable from the central junction box to the socket labelled LEVEL DETECTORS (1.11 on the rear of the S 5.Conn ect ing to the electrical power lineFirst, insure that the voltage speci? cation stated on the model identi? cation sticker of your S 5 corresp onds to the electr

37、ical li ne voltage.In sure that the electrical power MAIN SWITCH (2.11 on the fron t of the S 5 is set to 0Connect the electrical power cable to the socket on the rear of the S 5 identi? ed MAINS (1.10.In sert the plug of the power cable into an electrical power socket.Calibrat ing the pHelectrodeSe

38、e user s manual of your titrator.2.12.42.22.32.52.62.102.112.132.142.152.30 2.312.322.122.72.82.9Figure 2: behr S 5-Fro nt viewFront view of the behr S 5 Figure 2: Diagram lege nd2.1Operati ng con trol un it: Chemical-resista ntplastic foil 2.17Distillate level sensors (the 2nd is hiddenbehi nd the

39、stirrer2.2 丄 iquid crystal display (LCD 2.18Protectio n vessel for pH electrode2.3C on trol knob 2.19Drip tray2.4Cooli ng water outlet 2.20PTFE steam delivery tube 2.5Screw-on conn ectors GL 14 2.21Notch for positi oning the steam delivery tube betwee n distillati ons2.6Cooli ng water in let 2.22Qui

40、ck release faste ner for holdi ng the sample vessels during distillation2.7Distillate sucti on tube, silic one 2.23Plexiglass protective door (not show n 2.8Silicone delivery tube for H3BO32.24Faste ning screws for glassware mounting2.90pe ning for electrode cable and titrati on tube 2.25Glassware m

41、oun ti ng2.10Distillate delivery tube, silicone 8/12 2.26Viton stopper for sealing vesselmouth2.11Air release valve 2.27GL 18 screw-on conn ectors with silic one gaskets2.12Titratio n device 2.28PTFE delivery tube for NaOH2.13Stirrer 2.29Distillatio n head, glass2.14Titrati on vessel 2.30Polypropyle

42、 ne steam/water in let jun cti on with polypropyle ne nut2.15Electrical power switch 2.31GL 32 screw-on conn ector with silic one gasket2.16Lid ope ning for pelectrode 2.32C ondenserbehr S 5Turning the steam distillation apparatus onPreparatio nsAcids and bases can cause bur ns and otherinjuries!Sam

43、ple vessel will become hot; it can causeburns!In work ing with acids and bases, observe thesafety precauti ons prescribed for these sub-sta nces in the Material Safety Data Sheets!Before switching the steam distillation apparatus on, close the plexiglass door!Fill the reage nt containers with the ap

44、propriate chemi-cals.Verify by check ing the tub ing conn ecti ons which rea-ge nts are to be ? lled intowhich contain ers. Then ? ll the containers accordi ngly:? Distilled or dei oni zed water (e.g. from a behropur?water dei oni zer? NaOH, 32%3B03,2 - 4%Provide the cooli ng water supplyOpen the wa

45、ter tap.Switching the S 5 onTurn the power on by switchi ng the MAIN SWITCH (2.11 on the fro nt of the S 5 to the position 丨“.The electrical power switch of the S 5 ful? lls twofunction s. It serves to tur n the apparatus on andoff and also has an electrical circuit-breaker builtin.This circuit brea

46、ker operates on a similar prin cipalto those used in homes. If too much curre nt isdraw n, it shuts off.The operati on of this circuit breaker requires thata spri ng with in it be cocked. For this reas on, asomewhat greater pressure is required on theswitch to turn it on than is required in a simila

47、rswitch without circuit breaker.After turning the apparatus on, the display (2.3 on the front will brie? y show an initialization noti? cation. Im -mediately thereafter, the pump beg ins ? lli ng the steam gen erator and you see the followi ng no ti? cati on on the display:steam gen erator ? lli ngA

48、n hourglass symbolizes the ongoing process. Next, the follow ing no ti? cati on appears:steam gen erator heati ngAgain, the hour glass is see n on the display.These two procedures can take a bit of time, especially when the apparatus is switched on for the ? rst time. These procedures have bee n com

49、pleted whe n thePROGRAM01OPTIONSdisplay switches to theStart “ modeThe S 5 steam distillation apparatus is now ready foroperatio n.Figure 3: Operati ng con trol unitDistilling with the behr S 5The operati ng con trol unitProgramming the S 5After ? II ng and heating of the steam generator you willbeh

50、rS5see the following display:This is the main menu . From here you come to all other menus and displays.The opti on START is pre-programmed as a default set-ti ng.Distilling with the behr S 5behrPress button forYour behr S 5 steam distillati on apparatus is program-med and operated easily with a sin

51、 gle kn ob.The prin ciple rema ins in all cases the same:Tur ning the knob en ables you to choose an optio n. The curre ntly addressable opti on is recog ni zed by being highlighted with gree n text on a black backgro un d.The knob may be turned in both direct ion s. In doing this, you will pass all

52、 possible opti ons in the display shown and will always again ? nd the dsired option on continu-ed turning. Try this for yourself.The desired opti on is impleme nted by press ing on the knob.The complete procedure of choos ing by tur ning and im-pleme nti ng by press ing will hen ceforth simply be c

53、alledselect ing“.The followi ng pages will show you how to program and operate you steam distillati on apparatus.behr S 5Modifyi ng a distillatio n programDIL+H；ODelivery time 杞seconds. Possirange from 0.0The factory def3,0 sec.Delivery of the |With the S5, you can de? ne 99 different distillation p

54、rograms. This allows you to de? ne the appropriate con diti ons and the approjate qua ntities of reage nts for differe nt an alyses and differe nt sample concen trati on ran ges.The 100th programm, program no. 00, is a clea ning program which purges the distillati on head with steam.Whe n de? nng a

55、program, make a note of its purpose and the settings you made.Dll.HODelivery time foi seconds. Possit range from 0,0( The factory defs 3,0 sec.Delivery of the 匚Turn the operati ng con trol knob clockwise orcounterclockwise until the menu item Program is highlighted. Then press the knobonce.You will

56、now see the following display:Defivery time fo seconds* Fossil range from 0.0 The factory det 3.0 sec.Delivery of the |You can now select which of the 99 programs of the S 5 you wish to en ter or modify. Simply turn the operati ng con trol knob un til Prog.Number appears in gree n on a black backgro

57、 un d. If you now press the knob on ce, you will be able to dial to ano ther nu mber. Turning the knob clockwise adva nces the display to the higher nu mbers, while tur ning coun terclockwise brings you to the lowernu mbers. At both ends of the nu mber ran ge, con ti nued tur ning of the knob will bring you to the other end of the range, speci? cally turning clockwise beyond 99 will bring you back to 00turning coun terclockwise from 00 will bring you to 99.By press in