DEP0022953DA - Process for the automatic analysis of technical oxygen - Google Patents

Description

Society 'for U ^' Jc's

Ice Makers A .- '~
Höllriegeiskreuth near Munich

«352 / - J)

Procedure for automatic analysis of technical oxygen

Although various methods sur automatically?. "" ® "and Äßhreibenden analysis are known gas mixtures still ordered a Be & Hrfnis by automatic best" sehreibenden devices Tsar Anaeigs of ¹ purity technically sr & eugten sour "stoff®" The existing device © meet the demand not * that © la uatarsehied in the oxygen purity toe. 0 © 05 s »with purity degrees from 98 _S 5 to 99» 8 iL are clearly visible ®n.ges@igt

Pas 7®rfahr @ n aur automatic analysis of teohnisohejs oxygen or mm f ortlauf ®nü @ n writing down the purity of technical oxygen Gsmäas the invention consists in the® from © isea gltiehblebendea ^^ troffi the ^ u investigating 6ae © s the oxygen with © ine ^ y ^ ^ sor ionsiaittel is and then the Arc au® ° ö and nitrogen consisting © Gasreet a gl @ lchbleibend®n _t measured current teohnisohen ^ a ^^ ER "material attached and the old changing the Saueretoffreinheit gunahjae away The content of argon and nitrogen in the added hydrogen as a combination of physical characteristics of the ejväugten 7 / ajsseretoff argon nitrogen mixture in comparison to the sum of all the most used technical hydrogen in the

.l r.'lr will »

A progress compared to the known analysis devices for oxygen, in which the oxygen is burned with hydrogen, "consists of the use of (liquid) absorbents for the oxygen" the? erimr © ini "gu & g one of the hydrogens in the same Grössenoränung like / Bee oxygen into the" ^ dresuÄtt "what © ine continuous rberwaohung the ^ aBsorstoffreinheit necessary made Measures iaan ₉ νω. to work dies® difficulty * the formed during the combustion Contraction ®o 1st ea necessary the volume of the

suggested quantities of oxygen and dehydrogen

1 ^θ / © ο ges & u to define ₈ so that the g®f®räert @ sca & rfe äee end result® ©,> näsalioh Oeö5 $? @Rmireiaiguiigen can be reached in oxygen *

Next © advantage® of the measuring method © nmh d @ r are the following j The Hess result is independent of the purity of the technical hydrogen used, because in this only the

the technical hydrogen from similar ßrösseaordnoag is the AEIE of oxygen "Furthermore ^^ little * rden easily erflillend © A-asprüclie to
a®r £ t sug® mentioned asag ""

asked «Ba is sufficient for an accuracy of a few percent ₀

fe nau Sauerste ff r © iiih © it on O # 05 ^ / measured werdea should _f

because that from the oxygen @ ntat © h @ nd @ H @@ tgasis®3ig® tmd elsen «- θο fii © Jlonsentration äe @ in. the hydrogen H« stgaae @ in this is the applied jf®ng @ n · ψ & η S and hydrogen directly proportional «· F © lil§r in <l © r ordimg ~ ψοη 1 $ bsi d # r Keng © naessmig bswirkan auoli only in 4« r ßrössenorcinung iron 1 fi when an # afe® der! / close the C-asr © BTEs _a result, succeeds _s € he s @ nr liohö request to 4aa Analyeengerät au fulfill "that ain ©) fnä © ning d @ r paiaer * · stoffrsinaeit example of 99f2O" of 99 * 15 it ait sieherheit are displayed © oll "

An embodiment®feeispisl ä ^ r invention sua Haa4 the figure explains ι

ΑμΒ of the pipeline 1 is under <S @ h by the T shnng 2 determined pressure hourly "in liters dss su oxygen ait Segulierrsntil 3 over the with

4 equipped® measuring nozzle 5 one of alkaline Hatriiaah ^ roeulfitiöimg fell through »®n rüscher € gug @ füart _e in d © cd © r SÄU © retoff absorbed

per s »E» 0 # 5 $> »a cffl" ^ hourly amount of öasreet τοπ argon around nitrogen is in MisehraUE 7 sequential with 300 -onr/ht@chnie.ohen ^ hydrogen from avB. 99 ₁ 9 $ H ₂ and 0 , 1 £ Sg-G geieiaeht .. You Euniiselmhg des hydrogen θ takes place from line 8 via Yordruclcregel 9 _S regulating valve Io and ^ essdüse 11 with ^ ruckatfallmeeoer 12. The hydrogen enters the tile room 7 through the line 13 and leaves it Esusssanen with ösia Argon··-

of oxygen via line 14 * Iia meter

Every hour _{4-9S 1} 5 ear H ₀ «ad 5» 5 «a Ar + N ₀ flow through the Hesskammer 16 so hydrogen of 98 _? 9 '/' Hoinhcits £ jraä. The gloioham.esskatDser 17 wikrä by. line 18 hydrogen gl purity ^ ie aas line S ₉ with 99 »9 $ H ₂ ^ o 0 * 1 ■ * ΪΤ _? sugefUJirt6 The difference in the oxygen content in the di © KanHEern 16 ¹ UiId 17 flowing through. Gases is therefore 99§9 ^ to 98 _S 9 ^ «IsO ^ * With a given ratio of the oxygen and hydrogen levels passing through the D 5 ttiiö 11 ©, the difference depends only on the length of the argon emulsion residue Äèìà aatersuchten from oxygen ·: n- can "r difference flurcl; comparing the 'rärmclcitfjihi ^ ness, the jir-ccliun ^ sverr-iögoriS, Cloer Sahallgesohwindigiceit or other phyaikal.irjcher T: if are measured characteris tics, Torteilhaft cn ? Jen differentiated by ^ änse »-: conductivity key £ 3Sui \ t: feBtauBtollen» v; eil for this purpose writing devices with high sensitivity in the trade ^ ind · Diis,. Ohreiber.; ?? measuring device | i 15 'is according to the In the Γ-aixer operation, cera :: iTC £ XigefHBs 19 is continuously one of the used TJydroEsulfitlusunje: f-lsichs Künge fresh lot \ ui £ \ xa (L the vsrbr-iuehte start-up started 3Τί overflowbeclier 20 discharged, ": it Kiveau ^ efiiEs 19 ur.id ^" overflow pipe 20 - also voltiiüenäride ruii / jen of in: '. ■. "can eintretau pi-persitu * οαοζ-tier density of Xöeung _(balanced ;; ~ e???" i /.& cher 6 cefindliehen liquid ₉ <ii ^ by rjiderungen eggs' i:. it = - Rauin 7, with the aid dex connectionBieituLU £ ΓΪ "at ectt-r. · arithmetic Süellijuig ¹ der 2} reivi? efo3ailhAe 22 xnnl 2Z iiborbrvc / .t vveraer. iass beiüc MeBBkani :: iC; rn IG urici 17 sv / ecks. *: ul]. putüctsiO - ^^ T ^ j of the measuring device l ^l 3 ^ ¹ -it ■: ©! :: ^ le-i er.:; ^. c ^ οερτ ^ ρ.ΐ ■ ..frrderj k

Claims (1)

In the process described, therefore, essential ar-i-Hp depths of oxygen are mixed with hydrogen _s where its gO & sentratioja ia hydrogen sieii au in oxygen as the amount of oxygen contains the amount of hydrogen _e Ijs tall of the example corresponds to oils Concentration of 0§5 5 »Ar + K ₀ Ik oxygen of an increase in the concentration of Ar + Sr, in hydrogen by .1 ^ * The content of the" asestoffs in the esskasaer. ,, * ^ of argon and nitrogen and thus di © ^ essgenauigkeit therefore can be increased by amount of the hydrogen felein opposite the oxygen-tight aaoht · the imterseaiedliche pee ;, ^T plays 6ikslisqhs behavior of argon and nitrogen aabei so long- no Holle, ale ds ^ S ^ ajsiEtgehalt to ·> tff M ^ '' These oases in the ^ & BBSTBtofi small genll.'beraetn> Hydrogen k «aa * --®4» ä- «desaen. Density» light and diffusion conditions, conductivity or noise velocity differ sharply from those of argon and nitrogen «. Patent aasprudi ^ * 7 yerfiüiren siir selbettfötigen Analysis of tsohnisehefli oxygen or sum continuous writing down the Heinhelt industrial oxygen ₉ characterized in that from a gleichbleibea of: Btroia of dsr to the gas under investigation oxygen with C JL ^ uSsigen Ab is aorptionsmittel removed and then the consisting of argon, nitrogen gas remaining CUSTOMER UNIT constant, measured current of hydrogen close to the water is added, and the hydrogen added as the physical properties of the hydrogen produced : *, hydrogen in the meter «ptyia, Society for Linde's ice machines A. 6., Höllriegelskreuth. P. 106 404 IX b / 42 »1 18.5 * 44 Device for Xt. ohJTbrurig of Method E * ~ aur selliat tßtigen Analysis of technical ^ aueretoff according Anavrwh 1 _S ^ characterized by UEs naarsr .- 'ffn'bau of xn verifiable known devices sura Kiuaoe ^ s ^ © constant ngon vcn 5auex'? toff un.ä "" Bsa ^ ratofl (parts 4 _? 5 * 11.12 äer Se iohnuag), from the absorption of the oxygen by a liquid (absorber 6), for sheet metal the argon stoke residue with hydrogen (mixing chamber 7) is an instrument 15 for the registering determination of the increase in the amount of argon-stlokdbffholtes in the comparative hydrogen