HUE032107T2 - Sieve - Google Patents

Description

[0001] Í?S^iő^ÍíifíV^ut':n^:^'ölUSlv©lv, fir© separated troto the tnaíöriál to be screened, lor example du#ng:^#prgitpn ofhonsehold wa&e or sbredder waste mvMémgm ÜátM 1,- [00>2] ia screening inhomogeneous mixtures of mater ials, it often happens that particularly elongated, and consequently ribbon-shaped, of irbePlf tóbr plato^lke domponems mipgdCiíitl h an sport of the material along the screening direction and lead to the to'niahon ot material |t!,ouv ,\nto «Mi vto! ij.iiM.'f »e *oae v e‘ tK m ~ee '» .V tk ew being screened, these components of the mattól! t®; be uretnii also tend to block a considerable proportion of the screen epeoinp lor tog gefiodi of time, thus iorther guatity, The hallowing documents m this technical, bold deserve to be

Wen? ionod nh 10 200v 00? 82.'. This saeencr has as its content the special problem statement of making it easy and feasible ιο install, to adjust the separation and slope of and to change the separating diaphragms For this purpose, cur ved plates are constituted as separating diaphragms, which run aubstanially diagó«4í|l:Evtli· $t»ing direction and which In *\ , pet poume vi'c.\c^fp u\Ov.,nuu wdwkt \Λ uh<cvCi,ov! »e arranged at least approximately paralleTM the plihe of the screen, hot with tl#r segment-lying definitely below the sen» plan© arranged more steeply. Consegpeptlycflpyewatoe is concave lacing the material to be screened.

Vy '*1 Λ screen is known boat the app^em? ΓΡ ?. to »to wtoh admítk'Jv is particmatb designed to tom relatlyeif smalt mesk opeAp* hut fedőklimited ioblah lotto Mriet|dhe vrebs running in vertical planes through tho screening direction are provided with recesses v » \ m t,< v<» a 1 anto m web n eivnal i*v wtoh vx'vnv v * , tv?, ted eeuesponb o*. sons, separating diaphragms of the aforementioned document. These regions can eghliit a cursed m bent cross-section; the curvature is thereby termed just as in the atlrrementioned document. Thepoint of this measure is to arrive at mechanically stable conoigtoouk eygo at small meek ^'vaenev uheu m λ endup of the .nxu ·:>-. v ;he rtos is no toge? peewhie, (0004: :totuÉer:|cTpen fetobwn.: írom tbc applicant s A1 509 855 wibfem the webs running in w cs u t uut'u\h«.i μλ> i , » * s v' <'ηι, v *0's, <m·· red i 'g -vib.t 'vo ϊ'Ί'χϊμ^ iVvv\"v ’'«nk ' >?»oS v ' vt v x ooo v t> e*

Ibiiére lí Met u\ provided on the upper side of each web which, viowtdJingoosljy v ‘'C\ vV'!\nn u'vH'it ' <..'0 tt U"00 wU>eh\ * Ueme\ Uc xteo .^s moo uíwn on Uidr upper edges so configured that the tiller Heg in least p&amp;rthbfy below mo uppes surface of the po* turns <'f me Sí-Onu;,'; o' nog panf t -n 'te<nh p JMtiei soth, Κ,ην <»f me screen [0005] Moreover; it is known tor rntproving tip separation of plate-like elimegts from a stream of matériái, in screens wherein the screen facing, viewed in thesereaning direction, is tiered downward, to place finger· kko struts in the area of each tier mooing above the following screen surface and to costs ihese 10 Pic exwrd of at least a third of the length of the respective tiei' prevented from coveting the screen openings to a considerable degree and thereby also seducing both the screening quality and tub throughput.

[0006] The measures mentioned do indeed contribute to improving rcreernng quality and thoroby also to raising the achievable throughput, but these nnprosensents have the disadvantages that they are only incremental and still unsatisfactory: It is the object of the presentlaveodon. to substantially overcome or ameliorate one or more of the disadvantages oft.be price art, or at least provide a useful alternative.

[0007] In accordance wirh the present invention, this ta abbivved by the distinguishing pars of claim I. In other words, it's surprisingly sufficient wlien the webs of thesiese are at lead abb? o’> me V\\il n C vO * X λ. χ vU ^"o 01 t\c WCxC V cU' , I xx OsOOs ‘ \ V Ow e Ϊ C Wt x ^ « sections in tie sei^siihi direction; in one preferred embodiment, the upper edges edtippeá with upward rounded cross-sections. Moreover, the sections are Cibved according to the invention, with a radius of c , xxuutc of, t kxte x xV bx mesh width, pretbrabls >*t 5s\vaf o>'5 <·M' the mesh wuHU especially preferably at least iibf'i. of the mesh width, and exhibit upper end tangents lying in he plane oft lie screen Unear rim sepiehtrcatfbe cohibbted to· one or loth inirwikiot bending, j'WOBJ Prelerred embodiments of the invention will be described hereinafter, by way of examples opfy;, with reference to the dCCbthpahyih| drawlngs. wherein: 1¾ I embodimem of the invention «η section view pewndihuhir so Ote wseen suri-ace and parallel so the screening direction to show íhe;rpös| imporrant sire rekmons, 3 ,g " > 3"ο·,ν·- , s< 'crMív ' ον of dm 5 jt\ o v - -o's eotm ooev o X' d A 1 euvn,

Fig. 3 m M shows details. I'OOuvj Fig. I shows purely schematically and without showing the ffmrwxvork, the dri ve os the bearings of the screen, a schematic section In the vertical direction parallel to the sieving direction S between two webs 2 running parallel so the screening direction hence through the MetíoBSal and thetewilta side viewof the web 2 positioned behind the section The screen i% shown without the cu|!omary IOOsO’1 The mesh width M of the screen it; grxen by site separation of&amp;djoiomg thickened portions of the web-; 2. ur by libels 4 (Fig b) and adjoining sections 3; these separations are generally of equal sots; otherwisepthe arithmetic mean eh' the two separation values is to be used as the. mesh width M lor the purpose of the invention. Now this mesh width defines various sizes, dimensions and relations of the screen' t$ift •tmhodimeat the invention, in tűdéi *o K ab e fe *, mu ΊΗ - x0 ^ ed* >ho «scene ,> ' e me abH * ' < xe* i »s e postfon, a straight portion or septeiU.5, to wlhéh or segment 6 is joined

According to an embodiment of the invention, the straight segment 5 and the curved segment b merge into one another without a bend; if no straight section % is provided for. the curved aeetfofo o ends in us upper n v fon a* the end pouu m ,j tangent χχχχχι that of the sttasght .segntem. would run if one were provided In other words, the upper tangents of the sectionsIsalFljeln a plane, designated in the application as the screen plane 7 and w hide otherwise considered, at least runs parallel to a separately defined screen plane. lobi 11 file \ msi,u potxe c x tlv section 3 esmlxs at c\m coir'' a.;..Xus ol vurxuone R which, as stated above, amounts to at least 30% (or at least, (v}'% or ar least 1003 c.} of the mesh - \b S* b \ v ivauv^'o t ^ uwia \ f>in appl -χοϊ>!> > η II *. no i segments basing different curvatures merge into one another xfothour bemis fúO 131 in the example emNjKlimdifÁÖWa, the curved segment 6 is joined “downwardly" by a. linear segment or f>oriiun1, by meanscd which scr&amp;aotng can be further improved if such a linear portion 9 is provided, it Is important that u join the curved portion 6 without a bend ' 1V u^' s o , t\ .at , 'v^l Us 1C'*, \>d , o o s % le . u suitably attached, preferably welded. protrude distinctly above the screen plane 7. as defused. ,above:; This superelevation H amounts to at least 30% of the Bte|h wldt|;Me IP^aOlf 30% of the ,ne% w obi ex! h ο especially peeks Tie a n h snore than fV-\, of the tnesh w sdtk M Moteo^et; the v- ebs Γ; exhibit Tong their upper edges a thickening, which is accomplished either b p st vv?i n 11 K' w m **ttlo * ‘it O' tk o 'w i„ovt ty »\ application, preferably \y% welding, ol a fillet 4. whereby the ilk:;. as shown 1st Fsg 6 exhibits. ru she dnevuoo per pet Jw-n,a to On* pLme of the web 1 sasul «bor ns sac v teem, puceo-m -g Ids.- . a W'xkeeu·- 1> win·, ' ιον^'Ή w >ee * -.v„ px\ 1 u\\s x - ace e-speCxi, s on 'em x iotsr times the web thickness d. Moreover, as shown so Figs 3-5. it T preferred that the cross-section of the fillet 4. which is applied to the web 2, along its upper contour,, that is from as thickest point on along the perimeter. ;s made smooth, shat nt with no bends, be tree is made rounded, pm drably circular or elliptical With an eb spike! configuration, the transversely etliptis'-ttl eonisgumtion as shoo a m Fsg 3 t&amp; preferred [00141 Figure 2 shows the arrangement oftwotol several) screens s according to an ilrnbodimem of the invent ion, one a iter the other, whereby the screen planes 7 running xsgy ................. o> traegtd n d gnsneni w h o sc k'vWf Ss, suites enh subsequent screen in the screen direct ion S lie deeper (mutually parallel in the example embodiment shown) than in the foregoing screen Here the previously mentioned lingers 8. which am distne'o as tanged m'se the ilHete 4 rue eh ails visible 1 he fmge<s cun exFT'i mutual .separations, which correspond to the mesh width; however, it is possible to provide those ll-weis with a greater separation írom one another The angle of the ingerawtih respect igtle seteen plane 7 Fes between the horizontal and the parale|todhe ocreeu phtrm The angle as drawn, about f -1(-%) kdr'aa strongly inclined- with respect to tire vernem as the screen plane, is prefen ed. {00151 in Fig 2. two angles are also gweu;; adhering to which (absolute value, hence as a scaM) allows screens according te an embodimertt of the invention to be even mote effeedve tins ,o tfk , m ο \ o ' vn. ue screen p. u*. ' v -no km woman wm the -,mno \ vmch toms the tangents of the lower end oftke eurved: segmenf'#>$s4 ©öíp#©C|jUs@«s.!^· I5V provided fewer MnearprMlOn 9 of the sections de tire hokaeotoL k is preferred shat the angle X amount to at least IT times preferably two tones and fspoeiallg greferáltig three tiptoe ifié angle Y. hOOId] Til# ..·.the entbodimettis illustrated and deanfiked, but rather eon bp Otodfiled in omooes wads, It is, ás indicated in Pig. 2y pessibl# to eemfelne eevemi epfeott olftPPBts ppcording to the inoeniiom nut enlg In series asgkown dot jiao so sate Ioffe several soreen ieoels, The toesh width M eartfgig w|tMn wide limitot wheooswd Tfctr separating döntősbe waste. iavowbie value? are 200 mm 02Db%.

Claims (2)

KOSTA 1. Screening 1M-3W &amp; I i have cards with i <*> i2 and pages (2) k &amp; ifet perpendicularly Pmtlk> kka} (3λ for wounds icAo c> ok 'KMuuov' ee> for sieve namoo? 8 * potho ask '' "' ">» <«H ^ -i! K where the adjacent cards are (2) Or prflSi What is the free space between the wax (M) of the roswsth Oiés (4) and the wavelength (4), preferably at least one. more preferably at least at least mAa ^ AEsAg (M? a10teVst bt, iveit prolii (3) is curved by radiusR), at least at least the fusing cavities (M) are preferably at least rosewood <M) more preferably at least 60% of C'N'Og f * MhHog a to «profile G» is present in the straight line fm ^ (t eg os os os v iu iu) 1, the character of s / enntl * buy ^, that the thickness (D) of the thickening (4) of the sheet (2) is at least double, that of the above and at least one of the above (2), is the second? #zai tokiemen e, that the thickening or inserting -Π top contour of the musical kbsh, yomo, and os o sefe vienpuku-an van b <aaboa. 4, M 1-3, One of the claims test, characterized in that the profile G) beit 0 hhh, and then the other is' ej. preferably, at least 2 times, more preferably at least 3 times the screening direction (5) and between the horizontal plane (8b).