US1779036A - Mixing nozzle - Google Patents

Description

od. 21, 1930. H, H, DUTT'ON 1,779,036

MIXING NOZZLE Filed Sept. 2, 1926 2 Sheets-Sheet 1 n aan, l

H. H.. BUTTON Oct. 21, 1930. y

MIXING NOZZLE Filed sept. 2 192e 2 Sheets-Sheet 2 o 'HAROLD HfnU'r'roN,

"Ihisis-an invention relating to. mixing Which'dravvngs l 5 o ig. lisa topplan View of the -miXing noz fle volfgcleliecto'rV 221Which'serves'to" divide .the 'Y 'owof'fluid'into the passage-ways 18,--19 and toprevent the irregular delivery 'of the fluid if f intof'tliechamber 211'; 'indioa'ted'in-'Fig Flg- 4 1S a "rtm1 Sie@ lee-4f? a@ ,Openingbewen-pasegemys118-.'ana-19 i @whe OPpQSit 95 nozzles which are 'to bei used yfor spraying,

Coating, v-cleanir1gor 'similarvv operations inthe' use oda projeetlng fluid 'with volving Which is to be mixed amodifying liquid. As an "example ofsuch `use,7'although' notjneces'f sarilyrestricted-to'-thisfuseflf have shown the invention embodied in :a'fdevice 'intended for.

projecting a cleaningsprayof Water by means Y ofl steam under pressuregi-this spray. or-j et to be applied directly to a .plane surface suchas 1 thewall of a building.` fllf'devicesof this type it vis an ,important able-to use for the-motivegforcaa supply of steamY under suitable pressure.

possible toavoidthe neoessityof using-com-` pressed face,`

tende'd'width so that aconsiderable 'arealmay It is. also noted that` best results are obtainedl'when-thexnozzle':is"i

beL treated' at a time. A

held atta definite distancefrom the surface :to

determined byV andliquid and f theicasting -isi slotted;`

be treated, .this-distanjcebeing the relative pressures of fluidl 'theinherent `proportions, iofgthe, nozzle'outlet. :The above androther desirable results-are and which has been illustrated inthe accompaying @1m-Juas@by -way-ofexample.-.in

21e.; A Fig. 2'is airontelevation'thereof;ffA`

provide a nozzle `head,- or casting- '61 'inadeof suitable materials. such" as brass/or 'the like.-

This ynozzle lhead may be V'cast fromapattern tothe appropriate shape as shQWn, this shape consideration to2-.be

Thisis 'usuallly found available Where the cleaning opera'4 tion is toi be v carried lout. I n-ths 'Way it is.

air or the-likey vvlrich' .would erequirejspecial equipment and- -expense of operation# In :operating upon an extended? plane sur-"S such as the outer wallgof a'building it;`r is found that the best results are obtained froma jet which is relatively:thin-butoieX- th I jeadedV tof receive pipe plugs 20,'- 2O .1'l"he assageways v18,1 19 are appropriearrystheflow fof-,fluidvrv j with; tvvozfdivergent:.passagewa'ys 518,1 ,219.A fare-.shownlinFig;3 ,1t0 extendgfrom-:inlet -16 entirely;,throughjthe casting` as far as the reentrant-sidelsurfaces 4 I12, l-2 -Where the passagevvaysf,alte-screw 75 Vsize ofthe p f btained by a device embodyingmy zinventionf Fig.v 3 'isfaV4 horizontal sectionl on. the

having'a jvvide front edge 7 1a rear iaceS'ajnd Y taperingsides 9 and '10.*' 'Side portions'll,Y llk front Wall-'7 and arelconnected -tofthe 'sides The horizontal fluid Vinlet [16 xtndfsiii.

edfeitlieriduring the casting or. by asubsequent-operation.

adapted to be vconnected Withyasource of, "steamy under'. suitable pressure. `Suitable These pass'ageways ately proportionedto from the,` inlet-16. 12

In; the; same horizontal plaine-:With Y if :ao-" toprovide-aiflat cham- "This chamber,extendsvtomwithin,a=" j let .164 and lthe divergent .pa'ss'a'gevva-ys 18,-v 1-9,

b'erf 2 1.H s short-distance of the'si'de Walls-11, l1; Qn:

its innerfperiphery thisfohamber.intersectsv v Y the passageways 18-19fover Substantialfdisl .tances as yindicated in'Fig."'-3.' lhere-'isleft at the centen-'and-opposite,theinlet 16 fabaff-4 -jbythevvall's'23523:51 1 It', Will vbe SenrmfFig; Il that thebottoin e east *of ythe casting is parallel to `theftp liexcept at 1 the ,center portion Where the' boss '15extends`v transversely.I f

60 s Wardlyfromthe rear Wall 8 and is .construct-f The end of theeuidiniet "losa'screwthreaded to receive a pipe-or lit-v valve-mechanism, not-illustrated5is of course '.in-Zadjunctito the source of steam supplygff.

berf21'*extendstothefront vvall; ing.1`vvhile'the.upperpartpoffthe: i i f 'castingfterniinates shoi'ftof saidvvallgonaf v verticalplane 24.? Thisvertical plane surface p be later described;

has va contacting vvall for a diusing bar to Beneath the inlet 16` andv extending vthrough the boss 15, the casting-has a fluid inlet Vpassagevvayg25 to Which is connected a verse horizontal chamber 29 connecting therewith. This ohagnber errtendsfthethe liront of the castingaandiibeneathaand parallelto uthe chamber great-er distance across 21. rhserizesosrnall holes 30j connect: the

oharnbe'n 29f1vvith-athef front;portion` otA the` lower Walli oft'` the? Chamber 121'., M'bnnted= 1ipon thefi i` rtie'al 24 oatheecastingianrleXtendingf-ull length chamber 21 at its ends 32.V The 'lorverxsureaeee othebar isaont-aiway-to ormgthelip 3% whiohias aresnltris .slightly sp aoedjirorn theetoorr of the* chaniber z2land provides an extendediinarrow orifice.;v Therearezdgeffoff thefafeeg is sounved showniat'llzto reduce' theeresistmiee oeredto :the 4flow ofthe :Huid:

The-ifrontport -onaofatlieiaee 33, niergesfwith i llt will bez-noted from tlziiidopeningsfjfor apurposeas Willllat'er 'eastingE'- All pipelplug Sfolfoses the passage? Way` 29" when thesani'el i n order Vto position the-tool?atladesired' ollas-137),? Q37 aref Carried in ljournals aeree mahebifureatd;endsfeaeaiofbars- VVsurfao through pipel 126 and;VA 1e VUenduit 13, ofit'hef 'oa-sting fvvithx the* rollers 37e, projeeti-nggbeyond thel front ao'efV 7 hissina-nner?itis'` possibletoflimi-t the approaolnoitliegjet vto tl1e: surfaoe ybeing treatedand thus fobltain uniform results and atfgthe saanef-tin1eseryeto partially Ysupport heiqUPmeHtdurngioprathe; Welsh bei? it preis@ ina emr-na une? in alterar l 2-vj'ifaeeteamisfiramftheeugieaairfg irnem connects with a vertial C c I1 V planeisurface Whether;` or; 'not rollers f 371 underf pressure;V smade by: drilling and divided by means of the defleotor 0r baiiie 22 so that the flow is evenly distributed through passageways 18and 19, and thence as a thin sheet throughdcharnber 21. `The dilusing bar 31 serves tofrestrict the flow outwardly from ohamber 21; and atrthe'same tiineftoespread the..steam@evenly` across the plate Thesteain expandsfby reason of the flaring face 8,57andatapproxirnately the saine Ytime pieksupfthe fdropsvowvater from the outlets. 80 serving to mix the liquid and Hui-diend produce an advantageous jet o substantialtyY saturated Water vapor, lt Will be noted thatV the relative positions o the ontletsi'Q, the; Wall 3:3 L and: ehambleu 12h is siuoln thatV no undesirable 'back' pressure;- or

due;4 to; the mixingof Athe latter; with the substantialgfareaiofrltheiwall against which Y vthe rollers-Tresla andvvillwbe.mostreeotive vat thes distance,fbv'jernedby,the rollers/i:l x It. Willa bef` understood that the "operating characteristicsaofthe' jetiareindependent of p 4are used. lnN like rnanneri it Willloff-roourse be evident that; the j'oiurnalssl` and. Qmay bef drillerlthrough steadiiofifrroni therreentrantzvvalls 12; i

Whilethe above descriptionuappliesto one minor,` detailsjfl and: proportions Inay abel made.y v Without departingffffroni. lthe othenpefectiwill benauwd-:upon "the: Water;

Y Y Vchamber;connected With i i botlrrsaid:passageways;` anuoutletrirom said 'ohainbemfands{meansf oiz eon'duotinggliquid intol the: flattened? `st througlri'saidioutletr Ainoz'zd/ escoy 1 pri'sing'farrfinletfor; azflud under: pressure, means `for forming the A Huid TeamV oneitsvr disoharge 'into'af-lattenedistrearn afdisohargeopenig V*flaring fperpendieularlyf tof the pla-ne of the fiattened=streainand inea-nsf 3. .nozvale l`oornpr ising `an inlet Afor a' fluid under"- pres'sure, nie ans for frniing thef` fluid :aerea etapas maia fmt@ a flattened Stream: edlschifgefqpmg' sprayof r'Iniiiedstearnj aiid'waf ,i ten on .buil'di'ngstone "orQ eleaninggpurposes,

ivater under Jthe usual` lar-ing perpendieularly@ toV the" plane of fthe flattened stream; la liquid` inlet'v andfrneans (under pressureymeans- 'foifv forming; therluid into a;y'flattenedl streani ;a diseharg'e opening flattened stiiear'n51a;liquidfinlet'anda series of said openin 'myV signature.

K' xin HAROLD H. BUTTON.

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