US2544971A - Paper stock refining machine - Google Patents

Description

March 13, 1951 H. D. WELLS 2,544,971

PAPER sTocx REFINING MACHINE O QZZQ.

March 13, 1951 H. D. WELLS PAPER STOCK REFINING MACHINE Filed sept. 17', 1947 3 Sheets-Sheet 2 INVENTOR. #a To Zd M/e Z ZS w m n Mk1 Nm March 13, 1951 H. D. WELLS PAPER STOCK REFINING MACHINE 3 Sheets-Sheet 5 Filed Sept. 17, 1947 INVENTOR.

` Patented Mar. 13, 1951 UNITED STATES PATENT. OFFICE PAPER STOCK REFINING MACHINE Harold Donald Wells, Glens Falls, N. Y. Application September 17, 1947, Serial No. 774,552

l 6 Claims.

The invention relates to a new and improved Jordan engine for continuously hydrating, brushing and refining paper stock with greater speed and ecency, with more dependability, and at lower cost, effecting a marked advance over the usual Hollander type beater requiring hours of are relatively adjustable axially to vary the ex'- tent of stock refinement, and one object of the invention is to provide a `novel construction which will insure dependable impelling of the paper stock through the Jordan ribs or blades against the natural resistance forces, in any relative ad justment of said shell and plug, for hydrating, lbrushing and refining the stock with closer uni- I formity.

k Another object is to provide 'Mducting the stock into and from "the-Jordan shell if even though this shell may bevthe element of the shell-and-plug assembly which receives the axialv adjustment aforesaid, thereby overcoming the necessity of using flexiblehoses with their disadvantages, for conducting the stock.

vFigure 1 of the accompanying drawings is a side elevation partly broken away and in section showing a Jordan constructed in accordance with the invention.

Fig. 2 is an end elevation. Fig. 3 is a partial top plan view. Fig. 4 is an enlarged longitudinal sectional view partly in elevation, substantially on line 4 4 of Fig. 3. l

Figs. 5, 6 and 7 are transverse sectional views on the correspondingly numbered lines of Fig. 4. Fig. 8 is a detail horizontal section on line 8-8 lof Fig. 1.

Fig. 9 is a fragmentary side elevation showing a slightly different form of construction. A horizontally elongated base I is provided having two parallel longitudinal ways or tracks II which are instrumental in mounting the tapered shell I2 for axial adjustment. At the opposite ends of this shell, bearing posts I3 and I4 are iixedly mounted,r4 said bearing posts having 'f suitable balland/or roller bearings in which a horizontal shaft I5 is mounted, said shaft carrying the tapered plug I6 within the shell I2. A "driving motor II for the shaft I5, is suitably mounted on the base I0, the motor shaft being connected with said shaft I by a suitable iiexible v 'couplix'ig) or the like I8. rllhe shell I2 is proa novel construc-v j tion permitting the use pf rigid piping for cfm-y vided with internal ribs or blades I9 and the plug I6 is provided with peripheral ribs or blades 20, the two sets of ribs or blades being cooperable in producing the required actions upon the pulp as it is impelled through the channels between said ribs or blades. During such passage of the pulp or stock, the plug I6 is driven at an unusually high speed (from 1200 to 1800 R. P. M.) vand the required refining will thus be produced with a great saving of time over the ordinary Jordan which usually rotates at from 300 to 400B. P. M.

An end closure 2I is secured to the larger end of the shell I2 and another end closure`22 is secured to the smaller end of said shell. Both'of these end closures rest` slidably upon the base I0 and they are provided with lateral flanges or the like 23 which slidably engage the tracks or'ways II.

An adjusting screw 24 is rotatably mounted in a bearing opening 25 in the post I4 and" is threaded through an opening 26 in the end clo- `sure 22 for -adjusting the shell I2 axially with -respect to the plug I6, thus varying the space between the shell and plug'ribsor blades according to thevconsistency to which the stock is to'be refined. The screw 24 is provided'with a hand wheel 21fand with a toothed wheel 28, the latter being cooperable with a lock-operatedkdog .29. The operating lock 30 for this dog may well be mounted within the base I0 as seen in Fig. 4, and this b ase may have a suitable opening 3| through which to insert the lock key. By inserting this key and releasing the dog 29, the screw 24 may be readily rotated to make the required axial adjustment of the shell I2. By then projecting the dog 29 into engagement with the toothed wheel 28 and withdrawing the key, it is insuredthat no one shall tamper with the adjustmentunless authorized to do so and equipped with the proper key. During any adjustment of the shell I2, the plug I6 is of course held against any axial movement, due to the fact that it is tightly keyedv to the shaft I5, and this shaft is held by its supporting means against endwise shifting, as well as against lateral play.

from theA bottom of one of the longitudinal grooves in the shell to the bottomv of the diametrically opposite longitudinal groove, the grooves referred being of course those between the ribs or blades I9.

The eni'l'closure 2I is also provided with an outer stock-receiving chamber 33, the outer wall of which has a suitable stufling box 34 through which the shaft l5 passes. Between the inner and outer chambers 32 and 33, there is a transverse partition 35 in the end closure 2l, said partition being disposed in a plane at right angles to the axis oi the shaft i5 and having an opening 36 of circular outline, said opening being otmuch greater diameter than said 'shaft'and beingl concentric with the latter. An open-ended sleeve 3T extends rotatably and slidably through the opening 36, about .005" clearanceibeingi:provided between said sleeve and the Wall of the opening. The inner end of this sleeve 3l isprovided=with an annular flange 38 within the chamber`r 32;.and in running Contact with the peripheral wall of this chamber, about .005 clearance .beingnprovided between said flange and side wall. This bilance :in genauen relation. with the v partition 35 Withtheflarger .endfof the'rotary plug rt. ilnfthefspacefbetween .the aange and plug, il'idall'y-dclirerng kim-pellet' :blades 35 are proividod, --.Sa-d :imhgller blades -being .preferably witchedzspirallyeasishownfinrfs..7 In' the. .pres- 1gent-;fd-iscloslile. thesebladesgare integrally conarrested fwiththe nangeseandfwithf thegllug f I e, but: they (Qlllliv of.: course be: otherwise .connected with. these. parts. IRegardlessfof-the `lrincl of conmeetionrthebladesrs!! connectthe; .flange 38 and .-.sleeve531 withrthegplug; I 6i for rotationas. asingle eunit. Allfhenever athesshell 2,12 is longitudinally faxijilsted.: the langero course 'remains stationarfmvii:hlgtheplug; l randthe .endfc-losure`2 l slides with grespect fito `:said jfl-ange @and the sleeve .31. ffhissleevef receives the stock; from. the chamber :and V,tl-1e..;o.1.l.t.\f1ard forcing oft-besteck` by the 'tbladesz .39-;causes. it;to travelfthroughfsaid sleeve. :Merom/er, f these blades impel gtnefstock through the channels betweenithe-zshell #i2 andi'he plus rteagainstzthernatural resistance-forces, and the cstcckiisrthus randlygiven: .theidesired treatment. :It -f-wil1 :be ;v noted that `;the .fclose ,rotatable and lidahlezengagementofthe'outer:surface-,otsleeve with theiwallrof-:oponng 36. 'mnange 35pm- -rvidesffafseal between :these partsfto .insure .'-that ithe .-.etock -ivill spass :from fthe V.neuter chamber rilwughithessleeue Vto theiixnpellerblades .in the iinnencbamber. likewise the close-rotatable land .slidable fengagcmentzof thefzedgeror .periphery of fflangef fwithzthe `.side .wall of -ehamber 132 .will @also rprovdeagsealfbetween ,these parts. lThis -fdouble --seal .is-,important since .itiinsurespractissallyfallofatheistockbeingrdirectedtothefimpeller lade A3.9 rrespective offtherelativeadjmtment of f the fogne fand rshel. 'lt V,is :of :even .greater importance -whenthe larger ends .of Itheacone Landgshell are at `thejnletlend of .thermachine fsineeiimpellelrmustmoverthe.stock longitudinally lrfromzthe llarge :.end .ofzzt'he :plug to fthe :small :end lof '.-the fplug against A.the foentriugal -.hydraulio fforces, fset l up by the rapidly rotating i plugfthat try to move the stock toward rtheiarge end '.Of itherJordan. :It isthis;combinedghydraulicf.action that .fcauses :better .fpa'perfrmakilg `flflydration in- .steadfof the .usual cutting :fof ,the;br.es :.short. fIhe srened Estock .leaving zthe Shell i2 tenters a :receiving :chamber d0 Vin the end closure 722, :rromwhich chamber Iitiis :discharged @as :hereinraiter explained. flhebuter wallof thenchamber is eprovided .with fan :appropriate fstuiilng box all through which thefshat 1.5 Extends.

rThe side-of :the ange.33;8, :toward-the partition 35, is provided with two radially deliveringribs 42 y.winch :are :preferably spirally fpitched .as seen in Fig. 6. Any stock entering the space between the flange 38 and partition 35 is constantly wiped away from said flange by the ribs 42 and is thus prevented from becoming packed and interfering either with plug operation or shell adjusting. 5 This agitation of the stock in the space between the flange 38 and the partition 35 is important in obtaining an efcient pumping action of the .stockthroughlhe `Jordan;'sineethe centrifugal f action =createdA by thetb'lades 42 willi throw outwardly any sand, broken glass, metal particles, eetc. usually found in paper stock, and will cause --thielrcleanlbers to seal and maintain the seal yat 35 between the partition and the sleeve 31.

".Theoendrclosure 2l is provided with a latl5.erallyprojecting lug 43 having an inlet passage 44 'for the'stock to be treated, the inlet eendeofgsaid passage 44 having a suitable stuilng box 45. The axis ofothis stufling-box and the adjacent. endof the r stock inlet .passage 144, is 20.horizontal y.and .parallel .with the axis `.of ...the ...shaft I5. .-A .lateral lug.. 46, similar Lto .-.thelug n.43, is `formed .on .the .end closure ..22, @lug .having .a .stock-discharge .passage -.41, the l.outer endgof which ...terminates .in a stuiiing .box n 48 'l which ..is. spaced from and axially .alined Iwith the stuffing box 45. A vertical bracket 49...-issuit- =ab1y.secured..to.. the.; .base I Usand is,.provided\.-with a. head58 between i;l1e.t.wo..stuiiing` boxes.45.and 48 said head havingtyvoelbowrlike,ports-.5 Land ...52. f A..main. Estock .supply ,1 pipe `53 .-is :secured Lto the. head A.5Ilin, .communication .with .the,..por.tl, 5 I :and `a .main stock discharge .pipe 54 nis..secured vLto. said.: head .50 in ...communication with.. .thegport 52. A.A short .stockssupplyY-.pipe T55 .is...secured to :head-.501m `one of. tsends,y imcommunication. with 1port f5I. and .extends ...at its other Vend ..s1idably .through. the .stuliing box l 45. .f and .a short. stock discharge pipe 56 is secured at one ofitstends .tofsaid head.- 5,5, infcommunicationawiththeport 5,2, the .othersendof'saidTpiper 5B..extending.slid ,eablyf .through'the-gstuiingfbox d48. `lllhenever:'.the sshell I2 .is .axially ;adi11sted.s:all :of piping remains .rigid and ,fstationarm and the .istufling .boxes .45 .and W4,8 simplysslide upon .the gpipes ..55 fand Y55, it '..being thus `.annecessary ;to ,provide iiexible zhoses for conducting ".the stock :to :the chamber-Seandgfromthe .chamberJlL .Howeven .ifi-suchghoses ,shouldbe. desired .inssomelnstalla- *F.tions, -;they.;cou1d of course J .be `:.usedffas j.shown :at 51 and 58 in Fig. 9.

From the foregoing,rtaken'sin-connection:with the accompanying drawings, .itwill.abeseenithat rnovel and adyantageousvmovisiomhas Ylcleerrn'lade :for .carrying out 4the objects of ithe .invention, and While preferences have been disclosed, variationsmayof` coursebemade'withinthe vscope of the; -invention ias. claimed.

."In operation, .the :invention ..greatly .increases hydration, brushing and rening, by performing 60 continuously asshort-.timesthe .work -'that .heretofore required .hours -of beating .-.infa .Hollander beater. .It eliminates .mostn'f the-rcutting'action .of the Hollander 'and also the cutting action Ani? .the vusual Jordan by greatly :improving :the ."hydratingfforces. .These .forces.include (r1) rapid rotation .of athe 4.bladed for eribbed :plug -,coacting vwith the vcorrespondingly bladed or ribbed '.shll; (2) maintainingsexactly .the proper clearance be- :tween 'the blades or aribsfforbest hydration; (3) increasing the internal friction Aof ber :zon 'ber paused by .the impelled forces fin the 4paperstool; coacting :with the centri'fugal'forces 4ein ,thestook :caused Eby .high-speed rotation of :the gplug; (4) causingihigh fpressure .and lthento `.vacuum .cycles by the vacuum eddies following each blade or rib ffft plug;- causin'g wmi high-Speed rapidity I" these myriads of pressure-to-vacuum cycles. These numerous pressure-to-vacuum cycles worki ing on the fibers, as well as the brushing action of the blades, performs the Vnecessary hy'drating i5 1 and other refinement in unusually short order.

I claim; l. A Jordan comprising an elongated internallp of said shell, said closure having an inner cylindrical cup-like chamber axially alined with said thelatterand said closure; a perinherally ribbed "pening'offsaid 'partition,'s`a'id sleeve having its shell and directly communicating with said other end of the latten'said closure also having an and having an onening'of circular outline axially alined with said shell; a lrotatably mounted shaft"rv 120 coaxial y.with Asaid'lshjell and extending through taperedv plug secured'to said shaft ,within said shell; a cylindrical.stock-conducting sleeve ex-n tending slidably and rotatably through said-'125 outer surface in slidable andfrtatable engagement withqthejwalls iof-I said openingto provide a seal between the two chambers to cause the stock tol pass through said sleeve from the nuten-3o .chamber tov the inner chamber, the inner end zplu'gwand said flange for.: 'radially moving the of said sleeve having an annular .peripheral flange Ywithin said inner'ghamber, said flange being disposed in' spaced relation withsaid parti-` I. tion' andthe adjacent end o f'said plug and having' d5 .edge rotatably; and y,slidably engaging wall OfSaid'inner chamber to provide on opposite Sidsfsaid'iiang; radially deliverv7 img irnpeller blades in V.thee-space between said"`40- stock from the inner endof said sleeve and feeding it longitudinally between thershell and plug, said impeller blades being connected with said flange and said plug and tying said flange, sleeve, and nlug together for rotation as a single unit; means rotatable with said flange for throwing the stock in the space between said partition and said flange toward said seals; and adjusting means for relatively moving said plug and shell axially to vary the peripheral space between said plug and shell. e 2. In a Jordan, a shell with a frusto-conical bore and a stock inlet portion at its large end, a coacting frusto-conical plug inthe bore of said shell and mounted on a rotatable shaft extending through said inlet portion, said shell and plug being relatively adjustable in an axial direction, said inlet portion having an annular partition separating an outer. stock inlet chamber and an inner cylindrical chamber in lcommunication with the large end of said bore, said partition having a central circular opening concentric with said shaft, a cylindrical sleeve rotatable and slidable in said opening and affording communication between said chambers, man annular peripheral flange at the innerfend of said sleeve disposed in said cylindrical eliamber in spaced relation with said partition v-a`nd the large end of saidplug, the outer edge ofsaid flange being in rotatable and slidable engagement with the side wall of said cylindrical chamber, radially delivering impeller blades in the space between said flange and the large end of said plug, said sleeve, ange and impeller blades being rotatable with'said plug', and meansin the space between saidpartition'and said flange for moving the stockv in said space toward said partition and radially outward in said space.

- 3. A structure as specified in claim 2 in which said means comprises ribs projecting from the face of said ange opposite said partition and A extending in a generally radial direction.

outlet at its smaller end, and end closure for the smaller end of said shell provided with a e stock outlet, anY end closure for the larger inlet i outer chamber provided with a stockzinlet andt l5V hav-ing a partition between said inner and outer chambers, said partitionv being disposed in a L plane at a lright anglevto. the axis offsaid shell end 'of said shell, said. inlet endv closure having "an inner cylindrical cup-like chamber axially being disposed in a 'plane at a right angle to the l axis of said shell and having an opening of circular outline axially aligned with said shell,

ra shaft rotatably supported from said base and extending coaxially through said shell and also through said end closures, a peripherally ribbed 1 tapered nlug fixed to said shaft within said shell, a cylindrical stock-conducting sleeve extending slidably and rotatably through said opening in said partition, said sleeve having its outer surface in slidable and rotatableengagement with said opening to provide a seal between the two cham- I bersjto cause the stock to pass through said sleeve from' the outer chamber to the inner chamber,

mv.the inner end of said sleeve having an annular peripheral ange within said inner chamber,

A said flange being disposed in spaced relation with said partition and the adjacent'e'n'd of said 'plug and also having its outer edge in'rotatable and j slidable engagement with the side wall of said inner chamber to provide a seal between the portions of said inner chamber on opposite sides of said flange, radially delivering impeller blades in the space between the large end of said plug and said flange for radially moving thestock from the inner end of said sleeve and feeding it longitudinally between the shell and plug against the centrifugal hydraulic forces caused by the rapid rotation of said plug, said impeller blades being connected with said flange and said plug and tying said flange, sleeve and plug together for rotation as a single unit, means in the space between said partition and said ange for moving the stock in said space toward said seals, means supporting said shell and its end closures on said base for axial sliding movement and means for moving said shell and its end closures on said base.

5. In a Jordan, an elongated base having a flat top with opposed longitudinal extending tracks thereon, an internally ribbed tapered shell disposed above said base for longitudinal adjustment thereon and provided with a stock outlet at its smaller end, an end closure secured to the larger inlet end of said shell and provided with a stock-receiving chamber, another end closure secured to the smaller end of said shell and provided with a stock-discharge chamber, said closure at the inlet end of the shell having a stock-inlet passage leading to said stock-receiving chamber, said closure at the outlet end of the shell having a stock-discharge passage leading from said stock-discharge chamber, the outer ends of said passages being open toward each 7 Stifter "anti fbl pra'llel with the direetionpf 2'aijis"diffrent of fsa-id =sl`ell 'said base, -a 'packi'ig gland 7at tle "ot'er 'en'd of yeach -of Tsacl passages, said end closures being 'slidable upon the them fand having Aportifms to `slidably engage `said tracks, hearings Vrising from said base lanc-spaced vfrom saidnd closures, ka shaft yrotatably `x'noLul-ted in said Uea'ringsand extending coaxial-1y through A'rip'l'ierially ribedtapered cone xed to -said shaft Axviithinfsa'idfslriell andvhaving its large endfat the large kend fof said shell, -a`-br'acket 'secured to said 'Hase and located between the outer "ends, of said Ylziassa'gea a-short-stock-isupply pipe secured atome fits ends te said bracket and hav-ing fits 'other Yend `received r-slidztbly in the 'gland at the outer End of-said`stock-in1et passagefa'short stock-dis- E'charge `pipe also secured at one of its endsl to Vsaid. `bracket and having its other end -received.

slid'ably in the gland at the outer end of -sa-id fstockddischarge passage,l a main Vstock supply LA'pipe Isecured `to said bracket, a -man stock=dis :bharge -pipe also secured to sa-id bracket, said bracket having -one port placing sa-id short fand said main stock-supply Ipipes in communication with each other, and another port in said-bracket Aplacing said short and main stock-discharge oipesyin communication with each zother, and

1an adjusting shaft jhaving 'a portion swiveled jfsorhrotation-in Aone of said Lhearings and ea, screw threaded `portion threadedly engaged with one ofsaid end closures. g

ftgn` Jordan-Tan elongatedbase having Alongitudinally extending tracks-a tapered Vshell and f Aenacting:come the-rein, Ystock inlet ami stock `c isehnge closures secured to themends of vsaid shelland-'supporting it longitudinally above 'Said pase, bearings rising ifrom `salici base Vand rslzaeed firom s'aid end closures, a shaft -fQr said jco'ne '40 frotataloleinjs'aid bearings, Vsaid eng closureshafvjing/hase portions isliclably enga-ged Vwith said tracks -and each being 'formed on one side with 'tojand -risn'g from wenn s. m9 Y. an twv 1&1 .1.9131 nec. .19, 193s

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