US1763335A - Liquid-mixing device - Google Patents

Description

June 10, 1930. 5, -rs

LIQUID MIXING DEVICE Filed Nov. 23. 1927 2 Sheen -Sheet 1 June 10, 1930 J. S.WATTS LIQUID MIXING DEVICE l neman 10, 1 930 I v a r 1 763 335] LUNITED sures PATENT OFFICE l i i w some s. warns, or waste crinsran, rnnusytvaum I i "LIQ D- MIXING- nnvIoE Application filed November-28, 1927. Serial no. 235,365.

This invention relatesto liquid mixing The devicecomprises a two-partcasing. devices and has for an objecta device which 10, "forming a substantially cylindrical will add to'a continuouslyflowing streamof chamber 11 communicatingwith a tangen- I one: fluid a definite proportionate: amount tiallyarranged conduit 11 having an inlet of another fluid. 1 12and an outlet 13, the chamber being of 55 According to the invention, a stream-o1: greater width than. the conduit. Within one fluidis caused to flowfthrougha cham-, the chambera rotor 14 is mounted upon a her in which is mounted a rotor operable shaft 15 which is journal-led in a hub exby the liquid. The liquid to: be added is tending from one part .otthe casing 10. contained under pressure in a tank '01 the Buckets 16 are mounted on the peri hery 60 {like and connections including a liquid of the rotor and extend intothe condu1t 11. fl

measuring device are provided for convey- The bucketsare slightlyless in cross section ing liquid from the tank to the chamber. than the conduit. V v

The operation "of the liquid measuring de The casing'is provided with a passagevice is controlled byoperation of the rotor. way '17, one end' of whichgleads into the 65 Thus a predetermined. amount of rotation chamberll in the] eneral direction ofthe of the rotor causes a definite predetermined flow of .liquid-theret rough. The other end amount of the second'liquid to be added to of the passageway17 leads .into a tubular the liquid flowing throu h the chamber. chamber 18 inwhichis mounted a-cylindri- The ratio of theadded liquid to that flowing cal valve bushing 19. The casing is also 70 through the chamberremains constant deprovided with a cylinder 20, the opposite spite flow variations. 1 ends .of which communicate through con-- The deviceabove described is of particuduits 21 and ports 22 with the interior of larutility in treating hydrocarbon products the valve bushing 19. Withinthe cylinder f such, for example,, as "gasoline with sul- 20 is provided a floating piston 23. A-con- 7 phuric acid. Heretofore sulphuricacid has duit 24: is provided leading from the chambeen addedto gasoline to betrea'ted more or bar 18 at a point opposite the passageway 17. less by guess-work. It'has been necessary The assageway 17 communicates with the Y b to add a greater amount of sulphuric acid interior of the valve bushing through a port 3 thanwas really necessary in order to make a 25 and the passageway 24: communicates sure that enough was added. With the with the interior of the valve bushing above described device, the ratio of sulthrough a port 26. t y phuric acid added to the gasoline is defi- A valve 27 is rotatably mounted in the y nitely controllable and it has been found bushing 19 and is provided with two chanthat with this device a much smaller ratio nels' by means of which successive ports in 95 of acid to gasolineaccomplishes the desired the valve bushing are put in communication treatment of the gasoline. 1 with each other. A spring 28 is. provided Other objects, novel features and advanfor keeping the valve tightly seated in the t tages of this invention will be apparent bushing and-an adjusting screw 29 permits 1 40 from the following specification and accomvarying the pressure exerted by the spring panying drawings, wherein 28; The. valve 27 is coupled to the shaft 15 "Figure 1 is a side elevation-of a device for rotation with the rotor 14. As the valve embodying the invention. rotates communication is alternately estab- Figure 2 disclosesthe connections by lished between each end of the cylinder and means of which the acid is supplied to the the passageway 24 as well as between each a; device. end of the cylinder and the passageway 17 Figure 3 is a vertical section through the v In operation the casing 10 is connected device; and i in a pipe line as indicated in Fig. 4 and Figure 1 is a section on the line 4-4 of the conduit 24 is connected by suitable pipu ing with a tank 30 or the likein which is lot 5 Fig. 3.

' I ao containedlthe liquid te vbe added to theliquid fiowiiigthrough the pipeline. The-c0115 7 nections" betweenv the tank and the conduit 24finay inchfdea pipe 31 controlled by a? valve 32 leading tothe. base} of an ain Cha mber'33. F'roih'the air chamber 33'a'pipe34; controlled/by the valve. 35 leads to the" 0011-;

' duit 24. vD'rainpipeaf36 C Htr-aI dmy-uie;

valve 37 is c onnected .to the base of the'air' a filling pi 38 eor'iti'oll'ed by a valve pipe'iO' controlled bya valve 4:1. T When the de'vi'ce is infOperation:fthe' valves;39:;ai1d} 37'; 7 are closedxand the valves 41, 32. and; 35 are; I "u'fiicient pressiii e is; exerted oni: the

"' a 1iquid-- in theqgtank. 30 t r V, uidj' previously jeentajined in the" left po 'tionki off the: cyliiidegZOisi r ed thifoughthe pas- -sageway 17 int o] the ehamber 11. Rotation efrth'e. valve 90."puts1 the'f tank 30 in 06m h the" left end of the] cylinder V f cylinder 20in."

' communieation; with 'ithe passageway: 17'. "The piston '23 is then forged; toi- 'the right; I f thus delivering-' inte the passageway :17 the liquid previously j i'ntrddueed into the: right-5:

muin ieatibniwit 20 "and puts 1th velume ofliQuidiscOnVeyed rom-ther tank 30- intothe ehamber ll upon each" rq-r I tationbf the "rotbr flcf fAs the flow -of liq- A tional. sp eqljof the rotor varies {with" a cons'equent va'ii'atipn in 'thefarriountf of the liq-j hid forcedintdthe fiassageway; 17 per; :i oft'ime The iatidofthe addedwfluid toithat' 1 flowing through-the" chamber-therefbre re- -fm ains"eonstant. J 'r i j i 1; When :the device? is not: in" operation; it inayfb'e 'a'dvisablenot'to leavefamou id'?the; -I, i ival ve and'in the icyli i'dei the liquid-added; f to the liquid flowing-'- th i'ough the-pipe: line; 7 I Thisiis especially true when" the added; liq-e .uid'is acid; "If the device is allowed to stand I 1 fidle" foi" "some-time with; i aeidarbund the ,2, e valve and the cylinder,- th'e a'eid'mayieause .7 :01- athe' -va'IVe' to ;be ;ome;t1ght iii itsghushing;

-{The acid ma-y 'be nremovedd by elosingjhevalve 32' and opening the valve 37; 3 Since the pipe36 opens into.-the-.;atmospherethere will be a pressure forci'iigliquid fromthe chamber, out through the pipe 36. The Ii'q the pistoh' t0 beeo'nn-e" ti ht iii-it's cylinder 'uid;ilrfleiwing out this waywill flush: out

1: the acyliriden" and chamber" arolind itheivalvel and leave the-jeihfromthe pipe :line* in its 'p1ace,- t hus remoyingthe acidand leaving miss-,asa f V which communicates with the chamber l8 chamber 33; The. tank 30 is p Vided-Wit-IL a the lo'bpis'a 'sighf S "4:S; Sufficient Iubrb j and 1S also provided with: an air pressure;

Uses rotation 9f" the? i s valve-in{cher'jabsitibn v 7:; j shown in: Fig; 4", {liqliid .flow's'rfrom the tank f30 i-ntothe rightend of theeylinder 20, thus forcing the *pisten 23 to thefileft. The liqy appeai'sy-i the sightif'glass chamber; thejmgi-qpf the tw i togetherby' th above said condli iti'fahd eemmunicatiri'g at fe l fi e d c am er a 'gasol irie iomzihei i ine "id-its rice;

Corrosi'oii 0 f theiwbi kiiig'parts by'the aeid is thus avoidedff Means are p revidedifer lilbripatingiithe valve 27. This;emeanst comprises a loop J42 0f threeqvay valves- 4:6 51M147 respectively.

Also contained ii -and forming a part of catil ig qiliis intr'o ucedfinto theldop to fill to; the"; eentaetihg sliitfaeesj 01 the the Tambjliit e fi left. Whenjthe aci'dTin turningthefvalvegfigli thls waythe lubri eating ,bil-imay}f eplenished whenever" necessary. A11; T adju tingfserew 49 7 is'fl pr'o vided for vary t e smi e of! the piston .23 and therebyvari ing th me of liquid 1 form. pr pQrtio'ns; which" p ppgrtions-triay be variedas desired 'f The am u c f liquid added-fbrgreaehgrotatign oif the-rbter; l ifis 1 i the same "whatever the speed of the fretoif-g Astthespeeld ofthe,:rgtoi 'is direetly fdepend ent upon the flow; ei liquid jjthreugh the I qu sb might 07f the inventio clef fine claim... V

liclaimz} I V s v In ai'devicejofftheflchai acmr described, a conduit; a -'s1'1bs ta'ntial1 y I cii cular chamber s V V eingnojf greater V 3 width than' said 7 eonduit, a' projection ex tending fro mijone i wa lli of said chamber,- a' k I shaft "notatably. .miqunted insaid' prjoj ection,

a rote: carried said shaftf and arranged iw him a d(cham e ,yam meme on'the I 1 l periphe ry of said i pto rxt of extend; into said c'pnd'uitQs saidgvanesgbei g.fl siightly 1 less; in cross sections thar i said 'ce d'liit, valved? aches ppfeximatelyflthe; i "'levell ofr'tlfie-rvalve 27 1 mg, drained out 1 1; by turning the; valve 7 iid additienalvoil' introduced-through? the m1 new properlyrj shrew! also" a n n antet 2 8170fsclelirse ap areiltjg that vano s E' chamber insaid projection coaxial with said shaft, a cylinder provided in said projection, a. piston reciprocable in said cylinder passages in said projection leadin to sai valve chamber from opposite en s of the cylinder; a discharge passage in said projection leading from said valve chamber to 7 said conduitpan inlet passsage leading to said valve chamber, a valve rotatably m mountediingsaid valve chamber for alternately connecting the inlet and dischar e passages to the passages leading to the engs of the cylinder, and-a driving connection between saidshaft and said va lve. p In testimony whereof, I have signed my i name to this specification.

JOHN s. WAflTS

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