US382966A - Looze vennootschap wester - suiker - baffinaderij - Google Patents

Description

(N0 Model.) 2 Sheets-Sheet l.

A.- FREITAG.

GENIBLIPUGAL IMIAGEBTEl Paten-ted May 15, 1888.

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A. FREITAG.

GENTRIPUGAL MACHINE.

No. 382,966. Patented May 15, law

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NITE STATES PATENT ANDREAS FREITAG, OF AMSTERDAM, NETHERLANDS, ASSIGNOR TO NAAM- LOOZE VENNOOTSCHAP WESTER- SUIKER-RAFFINADERIJ, OF SAME PL AGE.

CENTRIFUGAL. MACHINE.

SPECIFICATION forming part of Letters Patent No. 382,966, dated May 15. 1888. l

Appicution {ilod June 25, 1887. Serial No. 242,452. (No model.) Patented in England August 27, 1885, No.10,172, and March 31, 1886, No. 4,516,- in France November 1G, 1885, No, 172,315, and in Germany March 25, 1886, No. 38,737.

To aZZ whom z5 may concern:

Beit known that I, ANDnnAs Fahrrad, a subject of the King. of Prussia, Germany, residing at the city of Amsterdam, in the King- 5 dom ofthe Netherlands, have invented certain new and useful Improvements in Centrifugal Machines, (for which I have obtained patents in England, No. 10,172, dated August 27, 1885, and No. et,5l6,dated March 31, 1886; in France,

to No. 172,315, dated November 16, 1885, and in Germany, No. 38,737, dated March 25, 1886,) of which the following is a specification.

My invention relates to an improvement in apparatus for the manufacture of rened sugar, and more particularly to centrifugal machines; and my invention consists in certain novel features of construction and combinations of parts, more fully described hereinafter, and particularly pointed out in the claims.

2o Referring to the accompanying drawings, Figure 1 is a vertical central section through the centrifugal machine. Fig. 2 is a top plan view of a portion of the apparatus, the topplate or cover being partially broken away to showthe partitions, some of the latter being shown in horizontal section. Figs. 3, 4, ,and

5 showin side elevation, end elevation, and

plan, respectively, one of the wedgeshaped partition-walls; and Figs. 6, 7, and 8 show in 3o side elevation, end view, and plan one of the wedgeshaped partition-walls provided with laterally-extending dividing'blades.

The centrifugal machine, as shown in Figs.

1 and 2, is made exceedingly strong to withstand long wear and great strain, and is provided with a removable annular top or cover,

a, which is adapted to close the open upper side of the drum, and canbe detachably secured to the same in any suitable orwell known 4o manner. (Not shown.) In thedrumis placed a cylindrical cap, C, which fits into an annular groove turned in the bottom of the drum A. The cap C is removably held within the drum A by means of aspider-frame, M, which is provided at its upper p'ortion with a hub adapted to tit over the upper end of the central spindle, D, and be removably held in place upon the same by a nut, e, adapted to screw upon the threaded upper end of the spindle and engage the upper side of the hub of the 5o spider-frame. The arms of said frame extend laterally and then downwardly and engage a flange around the bottom edge of 'the cap, as shown in Fig. l, which cap also has small perforationsfin its circumference and grooves g on its outer side.

The cap O is formed with a smoothly-turned opening or bell-n1outl1 at its top. E is the usual outer nely-perforated ringvsieve of the drum. F are partition-walls, by preference 6o wedge-shaped and cast hollow, as shown in Fig. 2. These wedges F, Figs. 3, 4,. and 5, are made with a lateral rectangular bottom flange,

s, and provided with a handle, t, at the top, orequivalentmeans,forraisingit. The wedges F are inserted in the grooves g in 'the cap C,

as shown in Fig. 2. The spaces between them are parallelopipedons,which are to contain the lling mass.

The operation of my apparatus is as follows: The filling mass coming from the cooler is to be brought into the drum A, so that all the compartments between the wedgepieces F thereof are completely filled. The cover a is then put on drum A and fastened on the same in any suitable manner. The centrifugal machine is now set in motion, whereby the crystallizing of the lling mass is produced and the green shirup is thrown off. This done, the necessary claying material is putin through 8o the opening of the cap C and will be very equally distributed,and will penetrate through the holesfinto the compartments containing the sugar. Then warm `air coming from an air-heating apparatus of any construction is guided by means of a hose, N, provided with a soft felt ring,n, at its lower end, Fig. 1, into the cap C.. The warm air penetrates through the holes fand in a short time completely dries the sugar. The machine is now stopped and the 9o cakes of sugar produced between the wedges removed. For this purpose the cover a will be removed and the cap C taken out. All that now is required is to draw up the wedges F, taking hold of them by the handles t, whereby 9 5 the cakes of sugar,which rest on their bottom flanges, s, are simultaneously raised out of the drum. I may also provide the wedges F on the side of the bottom ilange, s, with longitudinal blades w,of thin sheet metal, as shown in Figs. 6, 7, and 8, which blades are perforated and riveted on the side of the wedge; or I may insert the blades w into grooves provided on the bottom lange side of the wedge, so that the blades are removable. These dividing-blades cause the cakes of sugar to be formed in several long narrow strips, which may be easily separated and broken apart by hand after the cakes have been thoroughly dried and removed from the drum.

It is clearly evident that my invention can be used in connection with centrifugal machines employing xed bearings,or with those using buffer-bearings,77 and it is also evident that numerous slight changes might be resorted to in the form and arrangement of the parts described without departing from the spirit and scope of my invention; hence I .do 4 not wish to limit myself strictly to the construction herein set forth, but consider myself entitled to all such slight changes.

Having now particularly described and ascertained the nature of my invention and in what manner the same is to be performed, I declare that what I claim is- 1. The combination,with a rotary drum and a perforated cap centrally located within the same, of partitions removably located within said drum, each provided with a lateral flange oreXtension upon itslower end and with ahandle upon its upper end, said partitions forming compartments between the peripheries of the drum and cap, substantially as described.

2. The combinatiomwith a rotary drum and aperforated cap removably located in the drum and provided with vertical grooves inits outer periphery, of partitions removably located in the drum and held in the grooves of the cap, said partitions being provided with lateral flanges upon their lower edges, and with longitudinal vertical blades projecting from the same sides of the partitions as thevlateral lsaid partitions entering said grooves in the inner cap or drum,and means whereby said partitions can be removed, substantially as de scribed.

4. The conibinatiomwith a rotary drum and a perforated inner drum or cap centrally located within the outer drum,of removable partitions forming compartments between the outer drum and the inner drum or cap, and a lateral ilange or extension npon the lower end of each partition forming the bottoms of said compartments, for the purpose described.

In testimony whereof I have signed my name to this specication'in the presence of two subscribing witnesses.

ANDREAS FREITAG.

Witnesses:

B. ROI, AUGUsT MHLE.

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