US1665356A - Heater - Google Patents

Description

April 1o, 192s. 1,665,356

H. L. GUQY HEATER Filed July 1a, 1924 l'lclwgl kwis Gag WITNESS s: l l INVENTOR ATTORNEY i tortuous'path byfa convenient arrangement p y l diffuser 21 of the ejector 19 enters the tubular baffle 22 and is conveyed by the latter i 2o to the lower part of the ftube nest r16 from l field tubes or by ordinarv'tubes communicat? Patented Apr. iO, 1928.5* v

' HENRY L EwIseuY, OE MANCHESTER-ENGLAND, AssIeNOR mo WESTIimrrousi'i,ELEC-V i l l v,rino aMANUEAcrURING COMPANY,

4.A CORPORATION or PENNSYLVANIA.

EEATER. i

Vappli,ra-imi'inea Julyis,,19221,'Vseriaiimt 726,777, and m ereatlritaia ligase 17,1-1'923.

' This'invention relates to'` that typeiof apparatus comprisinga steam actuated ejec- VVtor in combination with a vfeed water heater,

and it has for its object to,vr provide an? im- :proved construction and arrangement 'of apparatus ofthis type,"

Preferably the diffuser proj ects.r into a space left for its receptionin `the center ofthe tube nest and is arranged todischarge into a throughv which they are causedto flowfinV a of-baflies The lfeed water heater maybe of any suitable construction butis preferably arranged vertically with bothinlet and .out- Yletchambers for the feed water at the lower end, these chambers 1 being connected by ing withavsuitable distribution box orheader t. at the upperfend of the heater. y The invention is applicable to lapparatus of both the Y single and multi-stagetype andin its latter applicationithe ejectors ofthe severaly stagesv "are arranged in combination iwith separate feed water heaters or withseparatev stages of .a single' heater, the ejectorfof the second and any subsequent stage being adaptedk to: en-

train non-condensible gases from itl/ie feed waterlheater of the previous stage or fromv theprevious 'stagefof the; same feed water lheater; v Y -v By way of example, reference Will new. be .inadevtol the accompanying drawing 'which isavv vertical section through a twostage apparatus constructed in accordanerwith the invention; Y ,a

' The apparatus illustratedcomprises feed? water heaters 1 and 2 each of which com-A .prises a substantially cylindrical casing 3 provided with water inlet ports 4, at" and with outlet ports 5 and 5", asteam inlet port 6, adrain port 7 ,and a port 8 for the. dis- ,charge of `non-condensible gases, this latter ,j .beingomittedffrom ltheillustratio'n ofthe abeater 2..V Thecasingf3 vis'dividedintocomf `partments 9,10 and. 11 by tube plates 12 and V 13 injwhich are secured the 'lower endsV of the innerQ and outer f'tubesf l14 and' 15 `of fieldV tribes` composing the tube nestpl'the held j rIfojthis end the invention v consists in arranging the ejector with., itsl diffuser Vproject` ingjaxially intogthe interior of the tube nestA of a feed water heater of vthefsurfa'ce type. v

V- throughv the port Y' 7. The' non-Gouden mounted inthe interior of the casing 3.

Mounted on the 'tope of theffeedvwater heaters 1 and 2' are 'ejectors' 19V and 2'0f known constructionthe diii'usefrs 21'ofwhich connected with tubular baiilesf22fThep said difusers project 'through the steaniIinlet into A spaces left'- for their reception at the centers ofthetube nests 16.v Y The water outlet 'port 5 ofthe heater Llis" ports (ik-oftheir respective feed-water heaters .Y

sal

connected Lwith the water inlet port 4f l ofthe heater 2 andV the port 8 Vof the/heater is connected with the entraininginlet 23 ofthe ejector 20.

In operation, fluid discharged fronii'theV which it iowsupwardly in contactwith ,the tubes 15, being constrained to follow a torinletport 4 andiows upwardly throughthe figo tubesle anddownwardly throughthe tubes 15 to thecompartment'l from -`'which it flows by way ofV theoutlet port 'foffthe heater 1 and'inlet port 4 ofi-the heaterjf2 toV compartment'v10l ofthe latter.' During its passage through the tubefnest Aof the heater 1 the feed water`condenses:theJ condensible vapors discharged from the l,ejector 19, i the condensate being drainedgf avv'ayl y Yble gasesV discharged by Vthe ejector 19"",fp7`ass motive fluid of the latter and pass downvfwa'rdly through the :diffuser 21"`andf baiie 22 to the'lower part'of the vtube nest 16 of the heater 2. From vhere they pass upwardly Vin a tortuous path asin the heaterL the condensblevapprsibeing Condensed bythecooll. A

ling action ofthe feed water vwhich lpasses upwardly fromv thechamber 10 of the heater.

24 through the tubes l15 sand..A downwardly throughv the tubes,- 1 4 to thechamb'er 9i from which. it passes'to the boileror tothe next heater of the series by way'of the outlet port 5, vapors 'condensedr in jrtherrtubenest/'of the heater 2' are drained away' 'throughy the p port 7 while nonfcondensble y gases v.pass

i shown, corre spendingv to itlieport :8 of eed heater"1.

With-the arrangements described above -and :with: any .other 'constructional vform. of the invention 'itis possible toeinploypstriiiglit Y diiuserswith the result that losses incidental of this kind are "obviatedV "Itv isalso possible i from the-ejectors aiidtoemploy afneater yand i `simpler ;.pipe arrangement.

v e 'Whileliliave'shown my l5; ,lingthegart that 1 susceptible of 'nvientionlini` but oneJform, itl vWill be obvious to these, skilled Fit f is ,not so limited, but is Y f modifications, avithout `departing -from y the L spirit Vthereof, and.,Ldesire,

.;aie. specifically-` set forth in theappended Y @only-suchllimitations shall be placedtliereupon Vas are imposed bythe prior art or` as Whtitiscimmia; i t

device oithe `type described,v com; prising shell,y Said nest being arranged to lprovide a .longitudinally extending Ynectio'ns fftor @passing f circulatng Y slfthroughitbe tubes, an ejector fassociatedivitli ',one endofrsad,nestfof tubes, the diffuser ot media said ejectorlextending `within .said'space, .and a .baie f for ,directing mediar `discharged VAfroni the` ldiffuser through: said space.n

9J.*A.device` of thetype described, com- ,prising, ,afshell,ffa nestpo'f tubes y Within the shelhsaid nestibeirig arranged to provide a longitudinally extending space therein, con- A,nections for passing circulating an ejectoiassociated with-Y oneend ofis'a-id nestl'oftti'ibes, the dii'useri of ',said, ejector ,extending Within said Space',V :i Y baiei-or directing media 'discharged `frein thefldi/fiiserthrough fthesaid space, andr av U` c o,nnect ion on said shell ffor passingr gaseous `through v theftubes,

medifrom v,said one end of the nest E ot tubesr device vof vthe ,type vdescribed, oompri'sing a pair of nests 'of tubes, nests being; arranged to 1 tiallyvfcylndricalspese, oftiibesl connect-ions associated with one ,of ,theends ofzeach `of said shells 'for passing `providevia substan-v a shell "for each nest ,circulating media through 'the tubes, 'an ejecfftorassociate'd with veach v ofl the other i of` the vends of Vsaid nests oftubes, the diffusers "of kSaid lejectors extending Withinithe 'substanf a` shell i for each nest of tubes, connections associated with oneof the arrangements various other i changesI .and

l I ing' a "plurality of `nests 'het saidnests .being` arranged to' a'shell, a nest of tubes `Withinthel space therein, conip rising rva plurality of said "nests beingarrangedl to yprovide aends of eachof said shells for passingy cir- 'Y each' of the otherA of the ends of Vsaid nestsV i of tubes,; thef3diffusers ofujsaidf ejectors extending `a' plurality of nests'of. tubes, eachof.

,Culating med-ia'through the respective nests of tubes inseries, an ejector associated with tmthe use of Curved dfusers Such-as .have signent said other vends of saidshells for passf i Y "previously been mpleyed 1i io,

75' Y l j tozrecover substantially theywholei of the'heat saidinests being arranged tojfprovide' vaflonf f gitudinally extending space,a shellffor each nest 'of tubes, connections 'for ,passing-circu- Qlating media throughvthei respective nests fet of the lends of each of said "nests'oftu'bes,

efendsl of one i of '6. Adevicev ,of the 'type"described com-pris-y Y tubes, each Ifot' provide ai lon-j vrgitudiniii Yextending Space? jnest of tu es, connection'sifo'r passing-crcu- `'lating lmedia through the i respective @nests of tubes `iinseries,'an ejector associatedfiiiith onejo'f thefendsoileac'h of said nestsot tubes,

respective A'gaseous mediail fromfsaid;v 'dirt/users 'itoilthe other lofthe respective ends of saiiid nests 'fof tubes. f i f 7. 'A sdevice 'of/the typeYfdcscribedgcoinprising ajplurality nests -of'tubes, `each of said; nests beingarranged to; provide'a'7 longi-k tudi-nally lex-tending space, ia Ishell 1t'or.feacli 1nest f'tubes, connections for; passing circuofthev endsot'eacli oft said nests o fftubes, the diffuser :of each ejector rbeing fvvit'hin fthe ithediffuserofeacliejector?being within the`V longitudinally extendingzispace, Y f and ydirecting/Ineans Within feacli o-tlie ilongitudina-lly extending f spaces fior i directing lating y-inedia throughv tlierespectivei nests "of Y ftube's' in series, n.anfej ector asso ciated: withA 'one tion from said oneioffthe endsvotroneoffsaid' Y nests of tubes to' the Akej ector associated With *another` of said nests of tubes.

n device 0f the type described Como'f (nests of tubes, --feach' lenstidinely extending f space, a is 'Shui for .each fnest Vr o f'tubes, connections fr passing circulating :media throu'gli the respective 125 L nests oftubes'in series',;an'ejectoiwassoci'ated ,VvvithV onejof the ends of/each osaidfnests of tubes, the diiuseriof'eacli yejeotorffbe ing jrvitl'iin theflongitudinally extending laces,

the combination of a feed Water heaterof tudinally extending spaces for directing` gas`V eous media from said diuser'to the other of- -the respective ends of said'nest of tubes, a connection from said one ofthe ends `of one of said nests of tubes tothe ejector associated directing gaseous media in ajtortuous course through `said nests of tubes.

f 9. In apparatus of the character described,

the surface type including Vinlet and outlet Water compartments atone end, a cylindrical nest of tubes for passing feed Water outwardly from the inlet compartment and backwardly to the outlet compartment,said

nest of tubes defining a longitudinally' extending space, extending Within and discharging into said space, and separate loutlet means for media condensed in the heater densed media.

l0. In apparatus of the character described, they combination of a feed Water heater including superposed inlet and outlet Water A compartments, pairs of tubes communicatingV With the respectivev compartments and com- 'municating at their respective endszremote therefrom, said pairs of tubes being arranged to define a longitudinally extending space, a shell enclosing said pairs Vof tubes, and an ejector having its diuser extending vvvit-hinV v "subscribed my name this 2nd `day of July,

HENRY LEWIS GUY.

and discharging into the said space. i

11. In apparatus of thel character described, the combination of al feed Water( an ejector having its diffuser.

lfuser entering and for non-con-V heater including vertically superposed inlet and outlet Water compartments, pairs of tubes r communicating withA the 'respective compartments and communicating at their Vr'e-V l spectiv'eends remote therefrom, said; pairs of 4.0' Atubes being arranged `to define a longitudi-rv nally extending space, a Ysubstantially vertically extending shell arranged to enclose said'- v I fuser Within the said space. v j i 12. Inl apparatus of the .character depairs of tubes, and an ejector having itsridifscribed, the combination of a feed Water 1- heater of the surface type including inlet and outlet Watervc'ompartments at one enda nest of tubes for passing feed Water outwardly from the inlet compartment and back- Wardly to the outlet compartment, said tubes lbeing arranged to define a longitudinally ex? l tending space,.an air ejector `,having its difi l v .55

the heater and discharging into said space in thejdirection of said compartments, an'outlet for non-condensed media associated with the end of the kheater remote from the Water compartments, means connected to the discharge end o f` the diffuser and arranged in said space and extending'toy Ward the Water compartments for confining Vmedia discharged from the diffuser', baffle means arranged between thev discharge end of. 65

the last-named means and said outlet, and anoutlet for condensed'media.

Y In testimony whereof, IV have hereunto

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