US35862A - Improved portable evaporator for saccharine jutces - Google Patents

Description

J. WEBB.

Evapor -ating Pan.

P'a tented July 8, 1862.

PETERS, Phelohlhcguphar, wasmn mn, o, c.

UNITED "STATES J. RUSSELL WVEBB OF P TENT intent JACKSON, tiieirienn g Spot-mention forming part of Letters Patent 'No. 35'. 862, (hiied Jul-y 8, 1862; aiiiedztteil June 1, 1862.

To all whom, it may concern/ r Be it known thatl, J. RUssE'L'nWEBe-nf of lliiiehigen, have invented'zi' new 'a11d-,,Irnpromo Portable Evaporating A p'pemtns; and" full, elem, antlexn'ct deseription of the same, A reference bein g heel to'the'aeeoi npanyin g drawingefmeking e part of this specification, in which Figure 1 is a perspective vie'ii' ofmy'inr. proveil apparatus Fig; '2I is a plen -offthe seine. Fig. 8 is a side elevationlof the seine a portion being broken ewny to ShQWjhBf'illterna'l construction of reservoirand 'filte'r. Fig. 4 is a vertical longitudinal'sectioniof the same, taken in the line x azj-of Fig;;2. Fig. .5 is a front end elevation; -Fig.- 6 is: arper speetive View of e skimn1er.-,

Similier letters ofreferenee indicate eor'rer spending parts in the several figures;

My invention consists, first; in mounting the apparatus. inahorizontalpositi'on on'thiee wheel's, Whereby it is rendered easily trans;

portable; secondly; the; arrangement of fines and air; passage, in combinationt with the damper, whereby the temperature ofrtheflignor ly, the manner of conducting theiliqnor from the filter to the division in the-front; en l of theevaporating-pan; fonrthly, the narrow strips or ribs attaehedto the inner sides of.

the evaporating-pan for'the purpose of 'gztthering the scum as the liquor flows in a'zi'gz ag course through theeirePOrLaQin'g-Pan; fifthly,

the arrangement of. the evaporating, finishing, and clarifying pansy sixthly, themanner' of leveling the evaporating apparatus by means of-weighted indexes or-"pendulous arms;

u,wi1-ieh is supported on breek'ets, a )p roj eeting vfrom thereztr end of thebox Art Jackson, in the 'eonnty of Jaekson andState ,E i l l w'pen placed ugd t e o D" and u'sedior the iiirpo'se of clarifying the er'ernde juicer. The bottom- 0f this'pen, to; Lalo hereby declare that the following is at g tlier with the bottom find sigisof the box 1% forms Gill 18; of,- lwliic h eofnmun-ieetes' infro'n't', with the firghpmnnel at its back end with,

the chimney locatetl iminediately beneath thehbX-Diefifi extending parallel thefeyiithj froinithe inelinecl pertition b to. the hear me cifitheboiz Dmhele it terminates in-gi kneefl supporting" the ehi-n'iie s it dampen em rge-an thejnnetion'of the two fines, for the gtllpflseof piosingeither one Vof'them ae'eording gen-is desiredit oi adnfitlt'o I or shut theheatioiffi'oni lingler ihe elja'rifying pan. The-fire box is arranged in thejront'entl ofthe hoxA, end isjifnrnisheclwith; Mire-door injone b'rboth sides. f

,fire-box eommunieates with" the-externah air through openings infront1$ndelsointhe fire-r (ioors, whieh openingserre closed, when it is sliding plates, similar to like devices used on a common ieooliing-range Atthe re'avr endeof vthe box A,"imxne diately' beneath the con p'ertments fgfof thekfinisliings "pen are two flues, h i; eommnnioa tiiiglat their front and rear. endswith theifire and fines- 'e-' speotively, through openings j 1c 75'.

lit the month oftheflnes h t is}. dampen], whiehmhen turned-in one direetion; closes the entrance ofthe flnej, and siinnl'taineonslytherewith, 'an opening,- it, throiigh theioottoin ofjthe fi'ue'h, and when tiirnedin theoppo'site diree' tion velosesthe efitranee oftlie'fluemshutting the heat off from the'finishingpan, and at the seine time o'pening; the flue tamlopeningm The opening-n is to admlt'a current of eolcl eir innontaet withthe bottom of the finishingpan when thehea't of the fire is shut off therefrom,

aind passing through thflne 2', for the purnose of 'ragiidly cooling the contentset the pain. The clarifying and evaporating pens are conetrneted of geivanizerliren, protecteti'eopper,

om'ney heof v.ai'nyothersuitable nietel; The

the box A, on which it rests, and is about one quarter (more or less) wider, projecting equally over both sides. This pan is divided by partitions m, extending across it'into a series of narrow compartmentsor troughs, o,which communicate with each other through openings made in alternate ends of the partitions,

leaving narrow strips, 1/, between said open ings and the sides of the pan, for the purpose hereinafter to be explained. The back end of the evaporatingpan, and which constitutes the finishing-pamis sunk a trifle below the level of the rest of the pan, and separated therefrom bya high partition, 1). An opening, q, is made, through this partition to admit the sirup from the evaporating-pan into the finishing-compartment-s, where it is finished off to any desired degree or point of evaporation. This opening (1 is closed by a gate, 9*,whiol1 is eou nected to a lever, s, which is fulcrumed at one end to a post attached to and rising from the partition 19. In front of the opening (1 is a screen, a, which stands out from the gate, leaving a space between the two. f

Gis an oblong rectangular box of equal length with the box 1), and attached thereto at one side. This box is divided'into two compartments, r s, of unequal capacity, the former being about one-third of the capacity of the latter, and it of little greater capacity than the workin g capacity of theclarifier. In the front end of the compartmentor reservoir sis a perforated plate, t, and arranged in the compartment 7 near the bottom are perforated plates u v, between which is placed a suitable filtering medium. The two compartments 1' and s communicate with eaclrother through an opening inthe partition below the filtering medium.

This communication is closed,'when desired,

by a faucet, WV.

H is a pipe entering the compartment r, above "the filtering n1ediu1n, and extending along the side of i the evaporating-pan to the front end,where it rises in the form of a goose-neck and emptiesinto the first division in thefront I end of the pan. -This pipeHis provided with a faucet, which may be plaeednear the filter or may beat any convenient point. On the opposite side of the clarifier from the reservoir 8 is a seum-box,-I. This boxis of equal length and depth with the clarifier, and mav be a division of it, or made separately and afterward attached to it. The adjacent side or partition should be inclined and a trifle less in height than the sides of the pan, to avoid the danger of the scum running over'as tlie skimmer is drawn upthe inclined partition to deposit the scum in the box.

J J "represent weighted indexes or pendulous arms, hung on p vots at their upper ends. By the aid of theselndexes or'pendulous arms the apparatus may be readily leveled and .put in the position for operation.

K is a lever attached by a fulcrum-pin to the front end of the box A, so as to have its inner and short end directly vunder the front end of the pan at a point midway. between its retained in position by the long end of the lever resting against theteeth of anotched bar' proiectingfromthefrontsideoftheboxA. The evaporating pan, as it sets on the box A, has its openings, whereby the communication is made from one division or compartment to another, directly over the sides of the box, tha-t'portion inside of the center of the opening being over the fire, and that portion outside not.

The operation is as follows: The raw or crude juice is first put into the panE and the heat of the fire thrown into the flue a, so as to comein contact with the bottom of the pan. As the juice attains a temperature of about 200. Fahrenheit, or a littleless, itmu'st not be more, the impurities rise to the surface of the liquor and form a scum thereon. It is necessary that the'liquor remain at or near the boiling-point for a few minutes, to give time for the scum to fully rise and form on thosurface, when it is skimmed off into the scum-box with the skimmer. shown in Fig. 6. At the same time the'fire should be shut out of the flue a, and thrown into the flue Fby meansot' the damper c. The scum is removed from the surface of the liquor .by plaeingthe'slcimmer against the inside of .the clarilier opposite the scum box, and pressing it down below theseum, then carefully drawing the skimmer toward the opposite side of the clarifi'er, and when reached depositing the scum into the scunrbox. The skimmed juice is now drawn into the reservoir 8, and the clarifier again filled with raw juice, when the same operation is gonethrough with again. The juice in the reservoir is strained through the perforated platet intothe space as; thence it passes through the filtering material into compartment 1', being forced through the filtering material by the weight of liquor in reservoirs; thence the filtrate passes in a continuous stream, its size being regulated by a faucet, through the pipe H into the front end of the evaporating-pan, whence it passes back and forth through the several divisions of the pan, evaporating in itscourse and throwing up scum, which is deposited at the sides of the pan, andthere held by the narrow strips or ribs a and the outward force of the boiling juice from the inside of the openings. This outward boiling force completely purifies the transverse current, and prevents any and all passage of scum from one trough to another. The scum is removed from the sides of the pan by a small skimmer. (Shown by Fig. 7.) The sirup is admitted at intervals into the finishingoompartinents by a gate, 1", through the opening. This gate is operated by a lever in the manner before described. The strainer in front of the gate 1' prevents any impurities passing in with the sirup. During the passage of the juice through the several divisions of the pan, if desired to quicken its flow it can be effected by raising the front of the pan by means of the lever K. In the fi11- ishing-coinpartments the process of evaporation is continued and completed. The heat under this compartment is most intense, but the depth of the juice will prevent any burning up to the point of crystallization. This point can be determined by an experienced hand pretty accurately by the eye, but more surely by the saccharometer. When the desired consistency is produced, the heat of the fire is shut out from under this compartment and thrown through the bottom flue by the damper 1. As this damper closes the mouth of the flue, it opens an aperture, through which the cold air enters to cool the finishing-cont partment. Thus instantaneously this compartment is separated from all action of heat.

The contents of the finishing-compartment being drawn off, another supply islet in, and the damper turned so as to throw the heat of the fire into the flue, and at the same time shut out the cold air by closing the aperture. This supply is subjected to the same treatment as the one before explained.

caste v V :1

Having thusdesoribed my invention,whatI claim as new, and desire to secure by Letters Patent, is-

1. Mounting the evaporating apparatus on wheels, in the manner and for the purpose sub stantially as described.

2. The fines h t i b and air-passage 02 in combination with the damper Z, when arranged under the finishingeompartment fg, in the manner and for the purposes set forth.

3. The pipe. H, leading from the filter 1' to the front end of the evaporating-pan, in the manner and for the purpose described.

4. The combination of the strips or ribs n, attached to the inner sides of the evaporating pan, with the partitions in, in the manner for the purpose set forth.

5. The described arrangement of the evaporating, finishing, and clarifying pans.

6. The combination of the weighted indexes or pendulous arms J with an evaporating apparatus, when arranged in the manner and for the purpose set forth.

J. RUSSELL WEBB. Witnesses:

MnLvILLn HoGnn, DANIEL UPTON.

Images