US267813A - Brock - Google Patents
Brock Download PDFInfo
- Publication number
- US267813A US267813A US267813DA US267813A US 267813 A US267813 A US 267813A US 267813D A US267813D A US 267813DA US 267813 A US267813 A US 267813A
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- US
- United States
- Prior art keywords
- cylinders
- drying
- grain
- housing
- spout
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000001035 drying Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 12
- 239000000203 mixture Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 6
- 229920002456 HOTAIR Polymers 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 230000001105 regulatory Effects 0.000 description 4
- 102000004726 Connectin Human genes 0.000 description 2
- 108010002947 Connectin Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 230000000266 injurious Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001050 lubricating Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
Definitions
- This invention relates to improvements in that class of apparatus for drying grain and other like material in which the materialv to be treated is subjected to the action ot' heat while being passed through a series of communicating rotary drying-cylinders.
- My invention consists in the combination of a housing or casinga series of inclined rotary drying-cylinders having their ends extended outside the housing or casing, each cylinder having a spout-cap provided with a dampered Ventilating iiue or pipe, blast-pipes, and mechanism for rotating the cylinders located outside the housing or casin g.
- Figure l is a vertical longitudinal section of my improved drying apparatus.
- Fig. 2 is an end view;
- Fig. 3 a vertical section through the furnace, showing the blast-hues and fan; and
- Fig. 4 is a central vertical section.
- the letter A denotes the rotary drying-cylinders, the ends of which project beyond the housing B.
- This housing may be constructed of brick or other suitable material in any approved manner.
- the dryingcylinders are arranged one .above the other, and alternately incline slightly in opposite directions, as shown in Fig. 1.
- These cylin'ders are preferably formed of metal, and any convenient number may be employed.
- Each'drying-cylinder A is provided ⁇ with a spout-cap, C, by means of whichit communicates with the adjoining cylinder.
- These spoutcaps are so arranged in connection with the inclined positions oi' the cylinders that the grain or other material, as it passes through the cylinders alternately in opposite directions, is constantly carrieddownward from the hopper D to the discharge-spout E at the lower end of the bottom cylinder.
- the feed-hopper D communicates by a horizontal pipe, a, having a screw-conveyer, b, with the upper end ot' the top cylinder.
- curved iianges or wings c c which are so arranged upon the inner walls of said cylinders as to lit't portions ofthe grain contained therein and carry it partly upward with the rotation ofthe cylinders, so as to agitate the mass of grain and expose it more thoroughly to the action ot' the heated currents of air passing through and around said cylinders.
- each rotary drying-cylinder is a'horizontal perforated blast-pipe, d, which communicates with a vertical hot-air pipe, e, that is arranged in a heating chamber or chimney, f, above the furnace F.
- This heating chamber or chimney f is provided with a vertical partition,f, which extends nearly to the closed top, a .passage being afforded at the top of the partition for exit of smoke and other products ot' combustion, which ascend on one side of the partition and descend on the other, so as to finally escape through an opening, f2, at the back of the furnace and near the ground.
- the curved orv bent pipe e which is arranged titions h and horizontal slidable partitions h,
- the spout-caps G at the ends ot' the cylinders are each provided with a Ventilating-pipe, r, (shown in dotted lines, Fig. 1,) all of said pipes connecting with a chimney or stack, H, i'or the purpose of permitting the escape of heated air-currents laden with moisture absorbed from the grain.
- These pipes Ick are provided with dampers on, that may be manipulated so as IOO to confine the air within the respective cylinders for suchlengths of time as will be suflicient to enable it to absorb moisture to its fullest capacity before being permitted to escape, thus e'Eectin g a large economy in the quantity of fuel ordinarily required.
- the spout-caps C are provided with openings for the passage of the blast-pipes d, and they also have doors c', for permitting aecess to the spouts and cylinders, and openings c2, through which the contents of thecylinders may be inspected without opening said doors.
- the drying-cylindersAare caused to revolve by means of the pinions or spur-gears K,whieh are attached to the horizontal shafts L on each side, the inner ends of said shafts being supported in bearings located upon cross-bars M, that are arranged between the pillars N N, as shown in Fig. 2.
- VThese pinions K engage with ring-gears on the adjacent ends of the g cylinders, the opposite ends of which are supported and rotate upon suitable rollers, which, however, are not shown.
- the vertical shaftQ is provided near its lower end with a bevel-gear, P', that meshes with a similar gear, P2, on a horizontal shaft,that may be provided with a differential pulley for regulating and varying the speed of the cylinders at pleasure.
- rlhe gear O on the upper horizontal shaft, L meshes with a gear, S, on the shaft of the conveyerscrew b, thereby operating the latter at the same rate of speed that is imparted to the rotary drying-cylinders.
- metal plates p are attached to the inner sides of the iron cross-bars M, and arranged to iit around the cylinders without impeding their rotation.
- the framing of the spout-caps is attached to the outer sides of the cross-bars M in such a manner as to prevent the escape of heat or the access of cold air.
- the grain or other similar material to be dried is conveyed into the hopper D by any suitable means, and passes direct to the horizontal eonveyer-pipe a, whence it is fed by the screw binto the upper rotary drying-cylinder, A, being therein subjected to the great degree of heat which is naturally accumulated in the upper portion of the apparatus.
- the grain is gradually passed to the upper spout-cap, G, and through the same to the lowerk cylinders and spouts successively,being finally discharged through the spout E at the lower end of the bottom cylinder.
- openingsg and f2 may be connected by means of a suitable pipe or IOO IIO
- agrain-drier thecombination of a housing having a suitable chimney, a series of rotary drying-cylinders arranged in said housing and inclined alternatelyin opposite directions, with their ends projecting beyond the walls of thehousing, a series of cap-sponts connectin g the ends of said cylinders and provided with suitable doors and openings for giving access to the cylinders, adjustable partitions arranged between said cylinders for regulating the passage of heat on the ⁇ outer sides thereof, pipes connecting the spout-caps and chimney/'and provided with dampers for controlling the escape of air and moisture, a furnace having a heating-chamber and a vertical blast-pipe provided with horizontal branch pipes communicating with the interior of the dryingcylinders, and mechanism for rotating the dryin g-cylin ders, located on the exterior of the housing, all substantially as shown and described.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Description
(No Model.) A 2 Sheets-Sheet 1.
F. W. WIES'BBROGK. APPARATUS IHORDRYING GRAIN.
N. 267.813. Patented Nov. 21.118812.
.Wassen @veia/f5?? fw@ N (No Model.) 2 Sheets-#SI1eet;` 2.
F. W. WIB'SEBROCK-` APPARATUS POR DRYING GRAIN. `No. 267,813. i Patented N0v.21,\1882.
fil
N. PETERS. FhulLnhugmpher, wnshintun. D. C,
UNITED STATES PATENT @Erica 'FREDERICK w. wIEsEBnocx, oENEw YORK, N. Y.
"APPARATUS FOR DRYING GRAIN.`
SPECIFICATION forming` part of Letters Patent No. 267,813, dated November 21, 1882.
Application tiled March 14, 1882. (No model.)
To all whom-it may concern Be itknown that I, FREDERICK W. WIEsE- BRocK, a citizen of the United States, residing at New York, in the county and State ot' New York, have invented new and useful Improvelments in Apparatus for Drying Grain, Src., of
whichthe following is a specitication.
This invention relates to improvements in that class of apparatus for drying grain and other like material in which the materialv to be treated is subjected to the action ot' heat while being passed through a series of communicating rotary drying-cylinders.
My invention consists in the combination of a housing or casinga series of inclined rotary drying-cylinders having their ends extended outside the housing or casing, each cylinder having a spout-cap provided with a dampered Ventilating iiue or pipe, blast-pipes, and mechanism for rotating the cylinders located outside the housing or casin g.
Other features of the invention will be hereinafter described, and pointed out in the claims.
The inventionis clearly illustrated in the accompanying drawings, in which Figure l is a vertical longitudinal section of my improved drying apparatus. Fig. 2 is an end view; Fig. 3, a vertical section through the furnace, showing the blast-hues and fan; and Fig. 4 is a central vertical section.
Like letters indicate like parts.
Referring to the drawings, the letter A denotes the rotary drying-cylinders, the ends of which project beyond the housing B. This housing may be constructed of brick or other suitable material in any approved manner. The dryingcylinders are arranged one .above the other, and alternately incline slightly in opposite directions, as shown in Fig. 1. These cylin'ders are preferably formed of metal, and any convenient number may be employed.
Each'drying-cylinder A is provided `with a spout-cap, C, by means of whichit communicates with the adjoining cylinder. These spoutcaps are so arranged in connection with the inclined positions oi' the cylinders that the grain or other material, as it passes through the cylinders alternately in opposite directions, is constantly carrieddownward from the hopper D to the discharge-spout E at the lower end of the bottom cylinder. The feed-hopper D communicates by a horizontal pipe, a, having a screw-conveyer, b, with the upper end ot' the top cylinder. Within the cylinders are curved iianges or wings c c, which are so arranged upon the inner walls of said cylinders as to lit't portions ofthe grain contained therein and carry it partly upward with the rotation ofthe cylinders, so as to agitate the mass of grain and expose it more thoroughly to the action ot' the heated currents of air passing through and around said cylinders.
'In each rotary drying-cylinder is a'horizontal perforated blast-pipe, d, which communicates with a vertical hot-air pipe, e, that is arranged in a heating chamber or chimney, f, above the furnace F. This heating chamber or chimney f is provided with a vertical partition,f, which extends nearly to the closed top, a .passage being afforded at the top of the partition for exit of smoke and other products ot' combustion, which ascend on one side of the partition and descend on the other, so as to finally escape through an opening, f2, at the back of the furnace and near the ground.
The curved orv bent pipe e, which is arranged titions h and horizontal slidable partitions h,
which latter are adj usted, by means ot' the rods or handles z', so as to regulate and control the passage ot' heated currents in contact with the exterior surfaces of said drying-cylinders, as shown in Fig. 4.
The spout-caps G at the ends ot' the cylinders are each provided with a Ventilating-pipe, r, (shown in dotted lines, Fig. 1,) all of said pipes connecting with a chimney or stack, H, i'or the purpose of permitting the escape of heated air-currents laden with moisture absorbed from the grain. These pipes Ick are provided with dampers on, that may be manipulated so as IOO to confine the air within the respective cylinders for suchlengths of time as will be suflicient to enable it to absorb moisture to its fullest capacity before being permitted to escape, thus e'Eectin g a large economy in the quantity of fuel ordinarily required. By this arrangement of a dampered Ventilating pipe or ue for each cylinder, which provides for the escape ofthe moisture absorbed from the grain,
I obviate all liability of its coming in contact with the exterior of the cylinders, and also prevent the formation of acid gases that might be generated by its contact with' the gaseous products of combustion, and thus have an injurious effect upon the grain or other material being dried. This construction also results in an economy of fuel, as the condensation of moisture, which would be liable to counteract the effect of the fire-gases, is thereby effectually prevented. In order to prevent the return of the condensed moisture to the drying apparatus, the chimneyH is made to project at the back, and is provided with a trap, a, as shown in Fig. 4. The spout-caps C are provided with openings for the passage of the blast-pipes d, and they also have doors c', for permitting aecess to the spouts and cylinders, and openings c2, through which the contents of thecylinders may be inspected without opening said doors.
The drying-cylindersAare caused to revolve by means of the pinions or spur-gears K,whieh are attached to the horizontal shafts L on each side, the inner ends of said shafts being supported in bearings located upon cross-bars M, that are arranged between the pillars N N, as shown in Fig. 2. VThese pinions K engage with ring-gears on the adjacent ends of the g cylinders, the opposite ends of which are supported and rotate upon suitable rollers, which, however, are not shown. The shafts L, to which the pinions K are attached, .are provided at their opposite ends with bevel-gears O, that mesh with similar gears, P, secured to a vertical shaft, Q, that is journaled in the projecting bearings or arms R, attached to the housing. The vertical shaftQ is provided near its lower end with a bevel-gear, P', that meshes with a similar gear, P2, on a horizontal shaft,that may be provided with a differential pulley for regulating and varying the speed of the cylinders at pleasure. rlhe gear O on the upper horizontal shaft, L, meshes with a gear, S, on the shaft of the conveyerscrew b, thereby operating the latter at the same rate of speed that is imparted to the rotary drying-cylinders.
1n order to protect the gearing from the effects of the heat, as well as to prevent the escape of the same from the space surrounding the drying-cylinders, metal plates p are attached to the inner sides of the iron cross-bars M, and arranged to iit around the cylinders without impeding their rotation. The framing of the spout-caps is attached to the outer sides of the cross-bars M in such a manner as to prevent the escape of heat or the access of cold air. By means of the doors` in these spout-caps access may be had for the purpose of lubricating the gearing and rollers when required.
-By extending the ends of the rotary dryingcylinders so as to project beyond the walls of the housing I am enabled to arrange the operating mechanism in such a manner as to be unaffected by the heated currents of air circulatingwithin the housing or chamber. The advantage of this construction will be apparent.
In operating the apparatus the grain or other similar material to be dried is conveyed into the hopper D by any suitable means, and passes direct to the horizontal eonveyer-pipe a, whence it is fed by the screw binto the upper rotary drying-cylinder, A, being therein subjected to the great degree of heat which is naturally accumulated in the upper portion of the apparatus. By the rotation of this inclined cylinder the grain is gradually passed to the upper spout-cap, G, and through the same to the lowerk cylinders and spouts successively,being finally discharged through the spout E at the lower end of the bottom cylinder. In passing successively through these cylinders the grain is raised and agitated by the wings c c, so as to expose it thoroughly to the heated air, which absorbs the moisture from the grain, and in its ascent through the pipes ick to the chimney H removessaid moisture from .the apparatus. This moisture is finally intercepted and prevented from returning to the apparatus by means of the trapn, as before described. Vhen drying such material as cannot be exposed safely to a high temperature immediately upon its entrance to the apparatus, I may regulate the degree of heat to be passed by the blast-V pipes, or may introduce to the lower cylinder a cold blast, so as to temper the heat according to circumstances.
It is obvious that the openingsg and f2 may be connected by means of a suitable pipe or IOO IIO
flue, so as to cause the heat that might otherwise escape to be passed into the space within the housing and be thus further utilized.
It is also apparent that the employment of a nre within the furnace may be dispensed with and blasts of cold air, instead of hot air, be introduced to the housing. In drying malt, for instance, it is advisable to introducecold air into the upper cylinder at first, and after'- ward apply heat moderately; otherwise the result would be the production of gloss malt.
1. The combination, in a grain-drier, of the housingB, with the series of inclined rotary drying-cylinders A, having their ends extended outside of the housingin which the body or main portion of each one of the cylinders is located, the spout-caps G, located outside of the housing and connecting the ends of the cylinders, and each protided with a dampered ventilating pipe or line, blast-pipes d, and mechanism for rotating the cylinders, also located IIS outside 4of the` housing, said members being constructed and organized substantially as described. y
2. In a grain-drier, the combination, with a housing inclosing a series of drying-cylinders, of` the horizontal adjustable heat-regulating partitions h', arranged between said cylinders, substantially as described,
3. In agrain-drier, thecombination ofa housing having a suitable chimney, a series of rotary drying-cylinders arranged in said housing and inclined alternatelyin opposite directions, with their ends projecting beyond the walls of thehousing, a series of cap-sponts connectin g the ends of said cylinders and provided with suitable doors and openings for giving access to the cylinders, adjustable partitions arranged between said cylinders for regulating the passage of heat on the `outer sides thereof, pipes connecting the spout-caps and chimney/'and provided with dampers for controlling the escape of air and moisture, a furnace having a heating-chamber and a vertical blast-pipe provided with horizontal branch pipes communicating with the interior of the dryingcylinders, and mechanism for rotating the dryin g-cylin ders, located on the exterior of the housing, all substantially as shown and described.
4. The combination, with the housing inclosing a series of communicating drying-cylinders, of the xed partitions h and the horizontal slidable partitions h', operated by rods Ii, said partitions being located between the drying-cylinders, substantially as and for the purpose set forth.
In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.
FREDERICK W. 'WIESEBROCKl
Publications (1)
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US267813A true US267813A (en) | 1882-11-21 |
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US267813D Expired - Lifetime US267813A (en) | Brock |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3159386A (en) * | 1961-12-26 | 1964-12-01 | Warford A Reaney | Preheater for rotary kiln |
US20200083455A1 (en) * | 2018-09-10 | 2020-03-12 | Samsung Display Co., Ltd. | Apparatus for manufacturing organic material and method of manufacturing organic material using the apparatus |
-
0
- US US267813D patent/US267813A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3159386A (en) * | 1961-12-26 | 1964-12-01 | Warford A Reaney | Preheater for rotary kiln |
US20200083455A1 (en) * | 2018-09-10 | 2020-03-12 | Samsung Display Co., Ltd. | Apparatus for manufacturing organic material and method of manufacturing organic material using the apparatus |
US11930691B2 (en) * | 2018-09-10 | 2024-03-12 | Samsung Display Co., Ltd. | Apparatus for manufacturing organic material and method of manufacturing organic material using the apparatus |
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