US1789315A - Steam separator - Google Patents

Description

Jan. 20, 19312-,

L. T. MART 1,789,315

STEAM SEPARATOR Filed nay 25, 192s 2 sheets-sheet 1 L. T. MART STEAM SEPAHATOR Jan. 20, 1931.

Filed May 2s, 1925 2 sheets-sheet 2 Patented Jan. 2o, L,1931

sfrruiiu` surge mamony Application fiia'iuay 23,

Thepurpose of my inventionis to provide V a steam separator capable of insertion within pipe or upon the exterior of any steam generator or holder.

f Apurpose of Inyinvention is to provide'an advantageous varraifigement and combination ofparts to form a separatoriunit just outside of the boiler;y draining back through the vsteain outlet-into the boiler.l

Afu'rth'e'r purpo's'eisfto provide for distri- Vbutionof the steamfoutwardly and down- `tv arclly about anv interior vchamber to spread -it centrifugallyw'ithin the chamber, and" to drainthe water separated from within the chamber.

A further purpose vis to free from water entrai'nment 'upon an outlet wall by 'centrifugal Ywithdrawal of 'the water close to the wall.` f

A further purpose is to passthesteam yfrom ternal bowl, to dischargejdownwardly and tangentially into 'the top of the bowl .at high circumferential 'velocity throwing the water out'up'on the bowl interior, to drain :the water through a-su'itable drain pipe, to pass the dry steam 'upwardly 'from the central portionof 'the 'bowl-:into the steam line. v

Further purposes ,will appear inthe speciication and intheclalims.

In the drawings lhave vpreferred to'illusf trate vonly one mainform of vmy invention, with modifications and have selected a-fornl that is convenient and inexpensive `to 'manne lustrates volved.

Figure 1 is an elevation -and Yillustrates my invention applied to a'horizontal boiler. Figure `2 i's an enlarged section 'ofthe separator. j g

Figure 3 is a section taken upon the line 3- 3 of Figure 2. f L i Figures 4, 5 'and 6 are fragmentary perspec- 'tives'showing steam passage particularly well the principles insteam outlet '11,with my separator unitf1s2'iir1-v facture eiclent m Opemmonand Whlch 11- t sages may incline'also to turn the 'steam tof 24 near t0 this inner bowl surface7 increasing 'For convenience .thebowland the lower 9116, Qi. .the skirt, ver

1925.. SeriaiNO. V32,521.v Y

v l Figures 7 and 8 fand Figure Qjare'views il-i lus'trating minor modifications, -and ljcorrespond to enlarged fragments lofFigures land r2 respectively.. y

Like numerals refer tofjlikeparts in -all figures. j

Describing in illustration and vnot in lirn-itation and referring tothe. drawingslzfl show conventionally a boiler 1 0 having'a -serted between the outlet. and' the dry steam Villustrating' one of `:the:locationsto which my separator is adapted. ,Upperand lower Hanges land 1 5' ofgthe separatorunit mate with flanges 1j6'a'ncl -l-of thesteatnfline andi boiler outlet respectively-. The vneeded ieat insulation has been 'omitted -forfclearness of illustration.

The separator is conveniently `divided `into three or four parts tol faclitateinanufacture- .a boiler outlet 'up arou'ndrthe'sides of 'an `1nand as shown ycomprises `ani-outer vcase 18y flanged at Y15, vcover 19-anged at flee; an inner -bowl 20 and va spacing Yand steam-:directing i a` skirtor shell 23 depending from the cap so vas to pro-vide an annular passage 24 be- 4tween the upper 4part ofthe vbowl-and the l'skirt. Y The ring is lutedfdia'g'onally lor spi- 'rally 'presenting passagesfzl between ribs'26 lsfo as to give centrifugal motion Yto the 'steain as it passes through thesepassages. Thefpasso ward the inner surface ofthe bowland may discharge in the outer` portion of the passage theeffect.

the bowl 'is supported from the skirt throughthe ring Vand any suit- `able fasteningssuch as pins 27. The passage 24'is formed between thecylindricakwall of o shell l23 extended some distance below the flutings as at 28.

. The water collecting within the bowl is drained by pipe 29 into the boiler where the end of the pipe is check-valved at 30.

Three forms of flutings are shown in Figures 4, and 6 to show thefact that the end to be accomplished can be secured in a variety of ways, without attempting to illustrate all of the ways or all of the combinations of those shown which may be used.

Here t-he'rings 21', 2l2 and 213 are all of themso lluted or aperturedhere viewed as effectively the same thing-as to discharge from that portion of the lower f ace- 3 l of each ring which is of larger diameter so asto discharge closer to the interior cylindrical wall of the bowl than to the exterior cylindrical wall of the skirt 23. fl

' In each of the forms shown `inFigures 4 and 5 the flutings are tapered, being larger Vat the inlet opening than at the outlet opening for the purpose of increasing the velocit-y of the steam as it `passes through the flutings. This is accomplished in the case of the flutingorpassage 24 by giving it greater wi-dth at the inlet openingthanfat lthe outlet.. In the passage 24,2 (Figure 5) the same purpose is accomplishedbygiving the passage greater depth at the inlet than at the outlet. This secures an additional advantageof giving diagonal outward flow to a portion of the v steam which passes through.'

i ;[n'eac'h of these Figures 4and5 thefluting is not'only diagonal to the'elemental lines of the adjoining cylindrical surfacesy but; is desirably spiralled. In Figure 6, however, the liutlng or passage 243 is not tapered and isnot spiralled but is diagonal withrespectto the elemental lines of thecylindricalsurfaces and slopes also toward the axis of these cylinders thus giving centrifugal movement and" also outward flow to the entire body of thesteam.

vIn operation the steam passes up throughy Vthe space32 along the outer side 33 of the bowl, then downwardly through'the lutings Y and the passage 24' and upwardly through the shell to the steam outlet.v The centrifugal action. of Vthe steam andV anyV outward direction of flow =given it in passing downwardly through the flutings is depended upon i' to throw the fwater in the steam outwardly against the interior34 ofthe bowl so as to avoiddanger of entrainment of waterin the steam passing out into the supply pipe. This principle'is present throughout my illustrations.. V

fHowever, in Figures 7 and -8 I showrfurther provision for avoiding entraininentof the water vin two-dilferent ways. Yplace a 'ribbed member. l35 (Figuref) in thebottom of the inner chamber so that the steam .will

vimpinge against the crows-foot as'it turns to pass out of thedrum.

In Figure 8 I show the lower edgeof the skirt or shell as shrouded or flanged in-V `wardly and upwardlyfat 36 so that any,

water which may tend to follow the surface 37 of the skirt 'or shell downwardly and 1 turn along the inner edge of the skirt will follow the lower and inner surface 38'of this shroud or flange and will 'turn about its upper edge 39 so as kto flow within the annular space 40 between the shroud and theskirt. From this space 40 it may be drained' to the `lower part of the separation chamber within the'bowl by means of a pipe 4l.

`In view of my invention and vdisclosure variations and modifications to meet lndiv-idualwhim Qrfparticular need will doubtless became evident tov othersskilled in the artand therefore claim all such in so far as they fall within the reasonable spirit and scope of my invention.

Y -Having thus describedl my invention, what .I claim as neWanddesireto Secure' by Le t 4ters yPatent is:.-

1. A'steam separator, comprising an outer casinghaving an-inlet at the lower end, an

casingand bowl extendingin. cylindrical form into'th'e bowl to a point below the spiralled yopeningswflanges within thebottom of the bowl upon which the steam. impinges, a

shroud within .the extension of the closure and means .forwater'drainage into the bowl from the space above 4the shroud.,l

3, Avsteamfseparator, comprising an outer Y casing having an opening at its lower end, a bowl within the outer casing having spiralled openings about its upper end admitting steam. from the casing to the interior of the bowl, a closure for thel casing and bowl extending cylindrical-ly into the bowl to a point below thel spiralled openings, the outlets of thev openings beinginearer radially to the/'interiorjwallof the bowl than to the extenson.- i

4. A steam separator, comprising an outer casing having an'opening at its lower end, a bowl within the outer lcasing having tapered'spiralled openings about its upper end admitting steam from the'ca'sing tothe interior of the bowl, la closure for the casing and bowl extendingcylindrically into. the

bowl to a point below; the spiralled openings, th e outlets ofthe openings being nearer radially to the interior wall ef'the bowl than to the extension.

5. In a steam separator, an' enter casing .open'at the lower end, a bowlr thereinhaving its open end toward the outer end of the `easing, an epertured cover closing'the ends of the bowl and casing except for the aperture which forms an outlet from the bowl, a depending skirt'hanging down from the cover into the bowl and walls providing.. spirelled passage for steam within the bowl" sind said depending skirt radially nearer to the inner surface of the bowl than to the outer surface of the skirt. Y Y f LEON T. MART.

Images