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US655710A - Apparatus for drying sugar. - Google Patents

Apparatus for drying sugar. Download PDF

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Publication number
US655710A
US655710A US74096099A US1899740960A US655710A US 655710 A US655710 A US 655710A US 74096099 A US74096099 A US 74096099A US 1899740960 A US1899740960 A US 1899740960A US 655710 A US655710 A US 655710A
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United States
Prior art keywords
baskets
chains
sugar
wheel
chamber
Prior art date
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Expired - Lifetime
Application number
US74096099A
Inventor
Ludwig Hirt
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GREVENBROICH MASCHF
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GREVENBROICH MASCHF
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Priority to US74096099A priority Critical patent/US655710A/en
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Publication of US655710A publication Critical patent/US655710A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/042—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying articles or discrete batches of material in a continuous or semi-continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
    • F26B15/14—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by trays or racks or receptacles, which may be connected to endless chains or belts
    • F26B15/143—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by trays or racks or receptacles, which may be connected to endless chains or belts the receptacles being wholly or partly foraminous, e.g. containing a batch of loose material

Definitions

  • My invention refers to improvements in 1o apparatus in which moist sugar in plates
  • baskets or other receptacles through a chamber by means of endless traveling chains, in which chamber the sugar is exposed to heat for drying purposes.
  • apparatus of this character heretofore employed the baskets or other receptacles were lnovably connected to the endless chains, but not detachable. Therefore the emptying of dried sugar from the baskets ⁇ zo and the filling of the lbaskets with the moist power driving-gear of the drying apparatus to automatically stop the endless chains when the basket has arrived at the removal and filling end of the apparatus and to retreat said'chains for a short distance.
  • I likewise provide the discharge end ot the apparatus with means for automatically depositing the baskets with dried sugar upon a small car- 4o riage, which in turn presents the filled baskets to the traveling chain to be automat! ically engaged thereby.
  • the iilling of the baskets is suitably performed where the sugar plates are produced, while the emptying of said baskets takes place at a desirable point, where said sugar has to undergo further treatment, and in order to make my improvements fully clear
  • I refer to the annexed drawings, in whichw l (which are not shown,) the said wheels at the two ends of the chamber carrying two endless chains c, provided with rollers c and crossbars ol between each pair of rollers e.
  • the baskets a. are adapted to be suspended on said cross-bars d, and are thereby traveling with the chains through the chamber, which is heated by suitable devices.
  • 'Ihc lower rails f upon which the chain-rollers travel, are extended at the 7o front end of the apparatus at 7i to receivea carriage t', capable of being pushed into the chamber b with a basket a filled with moist sugar and of being withdrawn out of the apparatus with a basket containing the dried sugar after 75 the travel through the chamber.
  • a driving or Worm i vpulleys from any convenient pulley a3 and counter-shaft in the usual and well-known manner, the one belt u2 being open and the other u crossed in order to make the rotation of the screw-shaft reversible.
  • the belts are, as usual, running within proper forks o An, mounted on a shifting bar 7c to reverse the 9o traveling direction of the endless chains.
  • This shifting bar lc is connected by means of lever fr, pivoted at .s to the shifting bar ki, which is provided with a handle.
  • the shifting bar 7c* is provided with a nose Z.
  • the lever a; 95 may be dispensed with, and the bar t, which is provided with the forks, may be prolonged and provided with nose Z.
  • the driving-Wheel it into the next aperture s of the drivingp is provided with a series of holes or apertures s near its periphery for receiving a removable bolt r, which inthe instance shown in Fig. 2 is inserted into one of the holes at w and projects to the opposite side of saidl wheel. If now during the rotation of the driving or worm Wheel p the bolt strikes against said nose l, the bar 7.a is shifted, thereby causing the belt u2 (the driving-belt) to run from the fixed pulley o upon one of the loose pulleys a.
  • the position of the bolt in the wheel is such that the bringing of the machine to a standstill will occur when a basket with dried sugar has arrived within the opening at the front end of the chamber and is in such position that the carriagez' is free to be pushed underneath said basket.
  • the second or reversing belt u will be shifted onto the fixed pulley, so that the rotation of shafttl is reversed, and thereby the direction of movement of the chains is reversed for a short distance or until the said basket is lowered and deposited upon the carriage t' and its hooks are disengaged from their cross-bar d between the chains.
  • the basket may be withdrawn and deposited on the carriage by the operator.
  • the operator withdraws the bolt r and inserts wheel. Thereby the bolt r is out of the path of the nose Z during the next movement of the wheel.
  • the operator may now seize the handle and push the bar in an opposite direction, thereby shifting the belts so that the one u2, which causes said regular travel, runs upon the fixed beltpulley.
  • the bolt inserted in the next eye will by the continuation of rotation of its wheel come into contact with the nose Z, thereby again shifting the belts in the manner hereinbefore described to bring the machine to a momentary standstill.
  • the same mode of working may then be repeated indenitely.
  • two or more baskets may be suspended upon one cross-bar d.
  • a gear consisting of a worm-wheel on one of the chain-wheel shafts, a screw taking into said worm-wheel, said worm-wheel having apertures near the periphery thereof, a removable bolt adapted to be inserted in any of said apertures and a bar for shifting the belts, a nose protruding from said bar, said nose lying wit-hin the path of rotation of the bolt of said worm-wheel.
  • a carriage for transporting the baskets into the reach or out of the reach of the endless chains traveling through the heated chamber, a reversing belt-gear for moving the endless chains in the forward or reverse direction and means for partly automatically shifting the belts in one direction and for shifting the belts by hand in the opposite direction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Drying Of Solid Materials (AREA)

Description

no. 655,7lo.
(No Model.)
. AL. HIRT.
Patented Aug. i4. |9oo.
APPARATUS son nvma suaAn.
(Applicatiunled Dec. 20. 1899.)
2 sheets-sheet TH: Ncnms Hmm co. mow-umm wAsnmc-Ton. D, c,
' f No. 655,710. Patented Aug; I4, |900.
L. HIRT.
APPARATUS FOR DRYING SUGAR.
(Application med Dec. 2Q, 1899.) (un Model.) 2 sheets-snm 2.
@X21/Maw t m l @Luz Y LUDWIG HIRT, OF GREVENBROICH, GERMANY, .ASSIGNOR TO TIIE MASCHIN ENFABRIK GREVENBROICH, OF SAME PLACE.
SPECIFICATION forming part of Letters Patent No. 655,710, dated August 14, 1900.
Application filed December 20,. 1899. Serial No. 740,950. (No model.)
To all' whom t may concern: v
Beit known that I, LUDWIG HIRT, a subject of the King ofPrussia, Emperor of Germany, and a resident of Grevenbroich, Kingdom of Prussia, German Empire, have invented certain new and useful Improvements in Apparatus for Drying Sugar, oi' which the following is a specification.
My invention refers to improvements in 1o apparatus in which moist sugar in plates,
bars, or any suitable shape is carried in baskets or other receptacles through a chamber by means of endless traveling chains, in which chamber the sugar is exposed to heat for drying purposes. In apparatus of this character heretofore employed the baskets or other receptacles were lnovably connected to the endless chains, but not detachable. Therefore the emptying of dried sugar from the baskets `zo and the filling of the lbaskets with the moist power driving-gear of the drying apparatus to automatically stop the endless chains when the basket has arrived at the removal and filling end of the apparatus and to retreat said'chains for a short distance. I likewise provide the discharge end ot the apparatus with means for automatically depositing the baskets with dried sugar upon a small car- 4o riage, which in turn presents the filled baskets to the traveling chain to be automat! ically engaged thereby. Thus the iilling of the baskets is suitably performed where the sugar plates are produced, while the emptying of said baskets takes place at a desirable point, where said sugar has to undergo further treatment, and in order to make my improvements fully clear I refer to the annexed drawings, in whichw l (which are not shown,) the said wheels at the two ends of the chamber carrying two endless chains c, provided with rollers c and crossbars ol between each pair of rollers e. The baskets a., provided with suitable hooks, are adapted to be suspended on said cross-bars d, and are thereby traveling with the chains through the chamber, which is heated by suitable devices. 'Ihc lower rails f, upon which the chain-rollers travel, are extended at the 7o front end of the apparatus at 7i to receivea carriage t', capable of being pushed into the chamber b with a basket a filled with moist sugar and of being withdrawn out of the apparatus with a basket containing the dried sugar after 75 the travel through the chamber. On one end of one of the shafts of the chain-Wheels g and outside the chamber b a driving or Worm i vpulleys from any convenient pulley a3 and counter-shaft in the usual and well-known manner, the one belt u2 being open and the other u crossed in order to make the rotation of the screw-shaft reversible. The belts are, as usual, running within proper forks o An, mounted on a shifting bar 7c to reverse the 9o traveling direction of the endless chains. This shifting bar lc is connected by means of lever fr, pivoted at .s to the shifting bar ki, which is provided with a handle. The shifting bar 7c* is provided with a nose Z. The lever a; 95 may be dispensed with, and the bar t, which is provided with the forks, may be prolonged and provided with nose Z. The driving-Wheel it into the next aperture s of the drivingp is provided with a series of holes or apertures s near its periphery for receiving a removable bolt r, which inthe instance shown in Fig. 2 is inserted into one of the holes at w and projects to the opposite side of saidl wheel. If now during the rotation of the driving or worm Wheel p the bolt strikes against said nose l, the bar 7.a is shifted, thereby causing the belt u2 (the driving-belt) to run from the fixed pulley o upon one of the loose pulleys a. This movement, however, is so limited that the driving-belt runs upon a loose pulley; but the second or cross belt u', which causes the retreating motion, will not have been moved to the fixed pulley fn. Thus the chain-wheels and endless chains with the baskets are brought to a standstill.
The position of the bolt in the wheel is such that the bringing of the machine to a standstill will occur when a basket with dried sugar has arrived within the opening at the front end of the chamber and is in such position that the carriagez' is free to be pushed underneath said basket.
If a further shifting of the belt-bar 7c, with its forks,is now effected by hand,the second or reversing belt u will be shifted onto the fixed pulley, so that the rotation of shafttl is reversed, and thereby the direction of movement of the chains is reversed for a short distance or until the said basket is lowered and deposited upon the carriage t' and its hooks are disengaged from their cross-bar d between the chains. Thus the basket may be withdrawn and deposited on the carriage by the operator. The operator now places a new basket with moist sugar or the same basket refilled with moist sugar on the carriage t' and pushes the latter into the apparatus into such a position that if the chains continue their regular forward travel the basket will be caught at its hooks by a crossrbar and be carried along intothe chamber.
To accomplish this last-mentioned movement, the operator withdraws the bolt r and inserts wheel. Thereby the bolt r is out of the path of the nose Z during the next movement of the wheel. The operator may now seize the handle and push the bar in an opposite direction, thereby shifting the belts so that the one u2, which causes said regular travel, runs upon the fixed beltpulley. The bolt inserted in the next eye will by the continuation of rotation of its wheel come into contact with the nose Z, thereby again shifting the belts in the manner hereinbefore described to bring the machine to a momentary standstill. The same mode of working may then be repeated indenitely.
If the width of the drying apparatus has a convenient extent, two or more baskets may be suspended upon one cross-bar d.
Having now described my invention, I claiml. In an apparatus for drying sugar in baskets, the combination of traveling endless basket-conveying chains, a heating-chamber through which said chains travel, a drivinggear for said chains, said driving-gear comprising a worm-wheel secured to one of the chain-wheel shafts, a worm cooperating with said worm-wheel, a fixed and two loose beltpulleys on the shaft of said worm, means for shifting the belt on said pulleys to bring the chains to a standstill or to cause a forward or a reverse movement of the endless chains and means'for automatically effecting a movement of said shifting means.
2. In an apparatus for drying sugar in baskets, a gear consisting of a worm-wheel on one of the chain-wheel shafts, a screw taking into said worm-wheel, said worm-wheel having apertures near the periphery thereof, a removable bolt adapted to be inserted in any of said apertures and a bar for shifting the belts, a nose protruding from said bar, said nose lying wit-hin the path of rotation of the bolt of said worm-wheel.
3. In an apparatus for drying sugar in baskets, the combination of a drying-chamber, endless lchains moving in said chamber, rollers carried by said chains, rails for carrying said rollers and extending at one end of the apparatus out of the drying-chamber, a carriage traveling on said extensions of the rails and baskets provided with hooked hangers, which baskets are removable from and adapted to be carried by said carriage into and out of lsaid heated chamber and to be automatically caught and released from said endless chains at a single point in the apparatus, whereby the baskets may be removed from or deposited on said carriage and means for causing a forward or reverse movement of the chains at will or for maintaining the chains against movement.
4C. In an apparatus for drying sugar in baskets, a carriage for transporting the baskets into the reach or out of the reach of the endless chains traveling through the heated chamber, a reversing belt-gear for moving the endless chains in the forward or reverse direction and means for partly automatically shifting the belts in one direction and for shifting the belts by hand in the opposite direction.
In testimony that I claim the foregoing as my invention I have signed my name, in presence of two witnesses, this 7th day of December, 1899.
LUDWIG I-IIRT.
Witnesses z WILHELM WIESENKUTTER, WENZEL ZENKER.
IOO
IIO
US74096099A 1899-12-20 1899-12-20 Apparatus for drying sugar. Expired - Lifetime US655710A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192645A (en) * 1959-10-07 1965-07-06 Leybold Aulagen Holding A G Apparatus and method for vacuum freeze drying substances in a tunnel dryer having sealing locks
JP2667771B2 (en) 1992-11-13 1997-10-27 住友ゴム工業株式会社 Pneumatic tire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192645A (en) * 1959-10-07 1965-07-06 Leybold Aulagen Holding A G Apparatus and method for vacuum freeze drying substances in a tunnel dryer having sealing locks
JP2667771B2 (en) 1992-11-13 1997-10-27 住友ゴム工業株式会社 Pneumatic tire

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