IT8648181A1 - IMPROVED OIL EXTRACTOR FROM OIL SEED AND OILY FRUIT PASTES OR SIMILAR - Google Patents

Description

Description . ... _

^The present invention relates to a tub extractor

to separate oil from a paste of seeds and fruits

Pieosi or similar, in particular, olives, and operated

by two blade impellers, operating in opposite directions of rotation

opposites in interpenetrating areas of the tank, which

? equipped with perforated bottom walls, for the unloading

of the oil, and of a central longitudinal channel *

at the bottom, where a screw operates to unload the deli-

the treated oily paste,

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Oil extractors from oily pastes or

similar, of the press type or apparatus of the e-type; ? O|^?PS s.trattivG which treat the pasta -with one or two LLJ^*?rt I gi rants, equipped with helical blades, and having a perforated bottom. These known machines are designed to leave and process the pasta in batches so that, at certain times -r <3 > i

born, the machine must be stopped and the pasta

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treated must be discharged, generally, it turns upside down^

I'll give you the bath.

Such known type extractors have a low yield,

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and require frequent cleaning operations

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oil drain holes, clogged with paste.

The present invention concerns a tub extractor

? automatic pasta loading and automatic unloading

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i1leo, ordered the pasta treated at the end of the

i extraction cycle, through a bottom channel, in j

:which is operated by a rotating screw, for which said

.the machine requires very limited downtime.

The basin in the upper part is parallelepiped,

rectangular plan, while in the lower part it includes a wall formed by two sectors of right circular cylinders, with parallel longitudinal axes, partially interpenetrating, which, in the lower central part, connect to a semi-circular longitudinal channel, within which a co? operates?

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elea of discharge, yasea which is fed to interims

power from two yas.che kneading machines above. ?

i-1l3o The tank is symmetrical with respect to a longitudinal plane 0 ? ?f 5 5 - c vertical X-X; in correspondence with the axes <???t?O cO-iw 5 ^ .^ or Y-Y and Z-Z of the respective cylindrical sectors, the tank

.? s carries two longitudinal shafts, associated, respectively, with a transmission, suitable for rotating the said;

you .two shafts in .opposite directions. One of the shafts carries pairs of segments of helical blades, which extend up to the walls of the tank, segments having opposite directions of rotation and between them

ro spaced apart, so that between them they can operate-j

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rare, interlacing, pairs of helical blade segments, mounted on the other rotating shaft, on the |

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the segments have the same trend respectively op-'

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placed on that of the blade segments consecutive to them operating on the first shaft. The blade segments?

of the first tree they concern a work surface

of the shape of a cylindrical sector with an angular width slightly less than 180°, and identically the segments of the second shaft develop in an identical angle, but are mounted in such a way as to operate on the oily paste at alternating times, that is, they are out of phase with respect to the previous ones, therefore the said segments of the la-r

helical me pushes the pasta continuously alternates

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divamente outwards and towards the transversal plane of symmetry of the machine, as well as towards the transversal plane X Z 3^.1 of symmetry and towards the heads, creating r*>

5 I 5 E < an intimate crushing and mixing of the material, which facilitates the separation of the oil from the oily paste. Furthermore, at least two radiating arms

they are mounted on the rotating shafts respectively:

in opposite directions two longitudinal rods, which I support

I have respectively a longitudinal comb made of elastomeric material, such as rubber, equipped with...

A series of teeth, appropriately spaced. This comb slides in contact with the cylindrical internal surface of the respective lower side walls.

ri of the vh?ca, combs, which therefore tend to clean said, surface parts '.which are perforated.

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The cylindrical lower parts of the tub are made of cylindrical wall segments and are forel

flanked by longitudinal rows of cracks, which develop

pano in planes perpendicular to the axes of the trees j

which carry the blades and combs, whose teeth are J

! spaced from each other by corresponding quarries

of said slots. In said slots are intended to !

i penetrate and exit series of flat vertical slats j, supported by external longitudinal bars |

to the yas;ca and supported by radial arms, which can-n

do not translate radially, in order to make the lamellae penetrate from the outside into the aforementioned slots, disot-j

X-the plugging and cleaning of the paste inserted in them while in the retraction stroke, by adhesion, transport the oil that drips outwards due to gravity. j = (O and the slats and the slots are positioned in such a way that

in the passage of the respective toothed comb the blades^L

They are inserted into the cavities between the tooth and the de-lri*

and of the comb, cleaning it and thus maintaining the elasticity of the respective comb. The pair of

external radial arms placed outside each head

:a of the yaeca, and which are relevant to the support and

to the alternative radial displacement of each complex

s,o of lamellae, are made respectively operative by

;a respective eccentric device, prepared!

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to make one of the two devices perform a la- \

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me Ile the alternative races in a predefined sequence?.

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ta, compared to that of the adjacent series of lamellae.

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The improved extractor in question has a yield I

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superior to that of known machines, is capable

to work larger quantities with a production

significantly increased hours.

These and other features and advantages of the present invention will be better understood from the de-|

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Registration, which follows, of an embodiment

_?s of the same, referring to the attached drawings Ziti, in which:

21 ;Fig. 1 shows a top perspective view of the

buttock and partial of the extractor tank, island UI1

< *?? & ? ta from other parts of the extractor;

Fig. 2 shows a detail of the vertical axial section A"A of Fig. 3, of one of the rotary units carrying the helical blades, operating inside

no of the ya?ea;

Fig. 3 shows a detail view of a

of the heads of the tub, taken from the transverse plane?

the B-B of Fig. 2;

Fig. 4 shows in greater detail, the particular of Fig. 3, of just one of the guiding devices

?of two sets of slats; j

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ria Fig. 5 shows in perspective view, the j end

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'innermost of one of the radial drive arms,

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|of the device shown in Fig. 4; and

Fig. 6 shows, in a partial explosion view?

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one of the cylindrical segments of the tank, the blade holder device and the comb in the f as, septum, in i

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jcui s,i finds the comb of the left side in j

|F? g . 1. i The extractor in question is commonly used in a plant for extracting oil from seeds and j

joily fruits, such as olives or similar, to make j

re the first extraction of the oil from the oily paste, j

The tractor mounted below the kneading tanks - j

trici, which are fed by the crushing group! MGHENI FIA A CMw.. I ' i NHIMMEGECHEni FIA D D WMN!lio -.. of the oils, after being inserted through a O 31 Q RA fM Vitttneooanauar -?

loading hopper.

said extractor is made up of a flat, substantially rectangular tank, generally indicated

with 1, near one of whose heads the said kneading machines are mounted (not shown in the drawings, as they are of a known type), kneading machines which

complain with the oily paste tub 1.

small tub 1 has green walls in its upper part

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longitudinal dicali la and is shaped symmetrically with respect to the vertical longitudinal plane X-X.

The _lower part lb.of the tank-1-? instead formed by two walls in the shape of two sectors of circular cylinders

straight culars, with longitudinal axes respectively

Y-Y and Z-Z, axes which are separated by a value less than the radius of the said cylinders, so that the two cylinders - thus defined - interpenetrate each other inside the

plan X-X. ....

The walls 1b.stop below at a certain distance from the plane X-X, to form there a longitudinal channel le, substantially semi-cylindrical, ?

which houses a longitudinal shaft 2 .carrying a

auger 2a longitudinal channel, which at the end?

opposite to the one where the kneading machines are located,

head to a mixing-diluting tank from which to

? Or li.y ti. means of a pump the de-oiled paste is sent for ? *?* or ?? ? the second extraction to a centrifuge extractor < and <? > (Decanter? not shown.

The walls lb_in the form of sectors of cylindrical circles

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straight lines, with axes Y-^Y and Z-Z respectively, -are

formed (Fig. 1) by longitudinal segments 3 of- sect--:ore. Each segment 3 includes two longitudinal rows of cracks 5, which develop in planes perpendicular to the axes Y-Y and Z-Z, cracks which cross

l Ia. wall of the segments 3, and through which slots the oil separated from the paste must flow out

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ileosa. They come indio at-iL-non. 1.0a and. 10b two_ long trees-

;gitudinali, which pass through the headers lt i

I ?of the tank 1, and which are rotated in the direction of: I

Opposite (as indicated by the arrows in Figs. 1 and;

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i3) from a transmission, not shown in the drawings.

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Couples are mounted on the IOa shaft via arms 13a

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jdi segments of helical blades Ila, intended for opej-I |

T ' are near the inner surface of the pai-

left cylindrical network lb in Fig. 1; the segments;

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jlla of the respective pairs of blades Ila have trends-I i

opposite helical jto, and they develop in a sector!

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idi cylinder lower than lbOQ, segments Ila which are

^spaced apart parallel to the Y-Y axis.

pul? 'shaft 10b on the right in Fig. 1 via_J)racci lpb

are mounted segments of helical blades llb, mounted HIGEN?MI FM C Aw..

NGHIEA FWflAE1GHEHIMN D0 D Dil ?o.. around the shaft 10b, corresponding to the space OAAA 31 R F Qie Vllioonnro ?uee jzio, in which on the shaft IOa, there are no blades Ila.

The llb blade segments, in turn, have a trend .

' . i 1 opposite to each other and to the consecutive segment |

jlla of blade. The segments llb operate in a sector of j

the cylinder of substantially identical angular amplitude!

jco but offset from the one in which the se^g operate

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Ila minds. It follows that in the areas where the spas

{cylindrical operating elements of the two impellers IOa, Ila and|

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jlOb , Uh interpenetrate, the said blades Ila and llb o-;

They operate in opposite directions and with an appropriate phase shift so as to achieve a perfect mixing

|the complete release of the oil until the moment of

I -Jlo exhaust for starting via a gram tank-:

(the intermediate diluter, by means of a single pump, al-:

from extractor centrifuge (Decanter? for the second one!

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extraction (not shown). From the IOa tree tra-I

mild radial arms 13a? also supported a bar

! i longitudinal 4a, which carries protruding outwards

pn comb 7a, equipped with 8a teeth, comb made

jin elastoiierico material, in particular rubber or si

piles, and which is proportioned to slide with its _ CD $ teeth t?a in contact with the left wall Ib in is|o ziui n: S _1 -ig. 1. The teeth from, are separated by slots, placed in <Si=:5C r-O O biodo to be presented in alignment with the slots 5! U ^ 2

>.g.?3 > ?=?O during the rotation of the shaft IOa. Identically ^ ? and > I

radial arms 13b, integral with the shaft 10b, support

ko a 4b bar that carries 7b combs, equipped with

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bb teeth, arranged and proportioned like the pre one?

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poorly described.

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a device attached to each segment of the tank 3 is generically indicated with b. This device

vo 6 comprises two radial arms (14a, 14b) which support a longitudinal rod 14, which in this embodiment supports two pluralities of slats

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?9 , each sized and mounted so as to be able to |

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enter and exit from slots 5 and in their respective,

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(cracks 5, as a result of translations of the arms \

;radials l4a, 14b, which are arranged outside the te- !

the ?

state lt of the tank, respectively in ra- configuration?

dial with respect to the respective Y-Y and Z-Z axes of the al-I

beri 10a, 10b . On each end of the al-:

beri 10a, 10b, which come out of the tank (Fig. 3)? 'keyed an eccentric disk 15a ( 15b ) which through j

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|A set of l6 rolling rollers can rotate en-j

jtro a peripheral crown 17a ( 17b) , to which are attached

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cast, via .18 pins, the flattened heads 14 1 o/e

i 2 O I o l * respectively l4b ? of the arms l4a or 14b. Z UU 3 1 ?** l e i ertantp as the pairs of eccentrics 15a- j ? ! f 15b and/'? respectively 15?-?15? subsequently the w o -| ? O ^ ? ? jpairs of arms l4a or 14b make the devices?- ? > jtiyi 6a or 6b perform alternative radial translation strokes

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the , whereby the pairs of rows of slats 9a and 9b ? enter and exit from the slots 5a or 5b , in the entry stroke, unblock the slots 5a and 5b and in the exit stroke

The outlets transport the oil to the outside by adhesion.

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The oil falls by gravity into a special collection container. It follows that by using the perfected extractor of the invention the oily paste is exploited

much more deeply than when you will not be able to get it?

held with the previous systems and with a discharge of the

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the treated pasta which requires a prolonged stop

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of the machine and a very rapid operating cycle. | Claims ,

1. Oil extractor from a paste of oilseeds, in particular olives, comprising a rectangular treatment tank (1), in which two impellers (10a, Ha and 10b, llb) with helical blades (11a,

llb) interlaced, yasca having flat walls above

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r?ori (la) and lower walls (lb) in the form of a septum;-iI

re of right circular cylinders, with longitude1-I axes

li (Y-Y) and (,?-? ) spaced apart by a value mi

i ^S | value of their radius, characterized by what? between j x 2 O O g?f ile walls (lb) in the form of sectors of cylinders? in-i H i o O interposed in the bottom of the tank a substantially i-!

j iI UH or S a? semi-cylindrical shape (le), in which operates a screw ! ?. or ?= a I <? > (2a, 2) which is equipped with a discharge mouth of the

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treated oily paste, within said tank (1) operate

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two impellers 10a, 11a and 10b, 11b rotating in opposite directions around the axes (X-X) and (Y-Y) impellers por-|

How many pairs of helical blades (Ha, Ha llb, llb)

blades operating close to the internal surface

of the wall (lb) of the tank (1.) and having opposite winding direction and which are spaced apart from each other

So that the pairs of blades (llb) mounted on the al

bero (10b) appear in the interlacing zone j at times different from those in which they operate, ccjp

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feet of blades (Ila), which are spaced apart, in

so as to allow the respective pair (llb, llb)(

to operate in the area that is not crossed by the

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jle blades (Ila), on the said trees (10a and 10b), which carries

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Jno the respective blades (Ila and llb) only in one sector!,

I ' (less than an angle of 180? being mounted tramij

te hracc? radials (13a, 13b) respectively a pet-j

toothed tine (7a, 8a; 7b, 8b) proportionate for po-j

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to slide in contact with the wall surface

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cylindrical (Ila and llb) which is equipped with lon-I rows

ducts of cracks (5a, 5b) while on the outside j ? ? gl ??|?* U zJi ndella wall (lb) of the tank (1) devices operate s 1

{(6) associated with means to create a translation ra-j ? < if and U7- o =g u O-* M4 o I ?

diale of the same, devices that support eia- j ?il i " ? J ? o ^ = o ?? > Each at least a plurality of slats (9a and 9b), arranged and proportioned in such a way as to be able to penetrate and

slide within the slots (5a or 5b), which in the entry stroke unblock the slots (5a or 5b) and in the

The return valves transport the oil by adhesion to the outside, where it falls by gravity into a special container.

2. Extractor as in claim 1, wherein the cylindrical sector-shaped parts (lb) of the tank

(1) are made in segments (3) of a cylindrical sector and each carries two longitudinal series j

of loopholes, (5a or 5b) which extend in planes for

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perpendicular to the axes of the impellers, each device!

jvo (6) operating from outside the tank (1) including

giving a pair of radial tracks (14 a or 14b) that support a longitudinal bar (b), which supports

two series of slats (5a or 5b) called arms (14a,14b|) being articulated at their other end by means ofj

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pins (l8) with a crown (17) within which it rotates, with |

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the interposition of a plurality of rollers (16), an eccentric (15a or 15b) said pairs of eccentrics

-1gSlO (15_a and 15b ) being respectively keyed on the 7 external UJ <14-C^O? jes,treipi.t? of the shafts (10a and 10b ) of the gi 2 ?

? O U-- ^ ranti. d.g0l a 3. Extractor as in claim 1, wherein each ; J^-?co >o comb (7a, 8a) and (7b, 8b) ? made of rubber

aura and is supported by a rod (4a, 4b) via radial brackets (13a, 13b) combs which are mounted in angularly staggered positions of the impellers (10a, 11a

| j

? 10b , Uh), the teeth (8a, 8b ) being proportionate |.n

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so that the respective quarries are located in correspondence

of the annular bands, in which the j are obtained

I! i: cracks (5a and 5b) so that, at the end of the race

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of advancement of the series of slats (5a and 5b), which j

Claims (1)

These can even be partially inserted into the cavities. 4. Extractor as in claim 1, which allows the oil to be released right up to the last moment of extraction. ! 5. Extractor as in claim 1, wherein the two! rubber comb bars operating synchronously !significantly accelerate the extraction process.