US1629942A - Drying apparatus - Google Patents

Drying apparatus Download PDF

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Publication number
US1629942A
US1629942A US757648A US75764824A US1629942A US 1629942 A US1629942 A US 1629942A US 757648 A US757648 A US 757648A US 75764824 A US75764824 A US 75764824A US 1629942 A US1629942 A US 1629942A
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Prior art keywords
drum
housing
drying apparatus
support
heating unit
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US757648A
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Louis H Zeun
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/028Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating

Definitions

  • This invention relates to certain new and useful improvements in a drying apparatus and particularly to that type illustrated 1n Patents No. 1,057,912 and No. 1,255,843, dated April 1, 1913, and February 12, 1918, respectively, and its object is to generally improve I the heating method as will be pointed out. 1n the detailed description which Wlll hereinafter appear.
  • Afurther object of the invention is to provide a drying apparatus for tobacco and like materia, with a heating unit of such construction as to render it possible to manun facture the machine at a comparatively small cost.
  • a still further object is to provide a drying a paratus with a rotating drum located in a iieat chamber directly over a heating unit, and means for conveying heated air from the heat chamber about said drum to and through said drum and an exhaust means for said used heated air.
  • Figure 1 is a side elevation of my improved drying apparatus, partly broken away and in dotted lines to illustrate certain features of this invention
  • Figure 2 is an end elevation, partly in section, of my improved dryer.
  • the numeral 5 indicates a rotating drum provided at its receiving and delivering ends with friction bands 6 and 7, which rest on supporting rollers 8 mounted in a frame 9.
  • the frame 9 constitutes asupporting base for the drum housing 10, the drum housing extending from the frame 9 upward and about said drum.
  • the drum 5 is provided at its receiving end with a tooth annulus 11, which meshes with a spur-gear 12 carried by a shaft 13, which is rotated through an operating means 14, such as a motor or the like.
  • the supporting frame 9 is provided at its forward end with uprights 15, which sup-
  • the housing 10 is in communication with the compartment 17 through the medium of a pipe 18 or stack, which has its ends secured respectively to the compartment as at 19. and the housing as at 20, respectively.
  • the bottom wall 21 of the drum housing 10 is arranged at a predetermined space from the floor or support upon which it rests, and
  • air is drawn through a regulating door 22 secured in the side wall of the housing 10 at the forward end thereof and is suitably heated by a heat unit 23 mounted within the housing and is conveyed about said drum through stack 18 in the compartment 17 and thus drawn through the drum by the natural draft of the hopper 16 where it is exhausted.
  • the heating units 23 are here shown as electrical resistance and they are mounted upon supporting brackets 24, which may be raised and lowered through adjusting brackets 25 secured exteriorly to the housing 10.
  • the supporting brackets 24 are held in position by any suitable means, such as lug screws 26, extending horizontally through the adjusting brackets 25 and engaging the opposite ends of the brackets 24.
  • the heating units 23 may be electrical units or may be of a gas type. such as burners or the like, the particular fuel used not forming a part of this invention, the principal feature being the use of a heating unit mounted upon a bracket in close proximity to the rotating drum 5.
  • the compartment 17 has its lower end open, which open end is controlled by a discharge valve 27 mounted on hinges 28 to the side walls thereof.
  • This valve is normally closed and is held closed by a weight 29 secured thereto. and it only opens when suflicient material has been fed from the ro tatin drum into the compartment 17 to over-fialance the Weight 29, permitting the material to be discharged from the compartment 12.
  • the Weight 29 automatically returns it to closed position.
  • One side wall of the housinglO is provided with a hinged door 30. which is particularly adapted to permit access to the interior of the housing should any trouble warrant entrance into the housing, such as changing the heating units or the like.
  • This device is as follows: The material is fed from the hopper 16 into the drum 5', which has been properly heated through the medium of the eating units 23, the material hitting the sidesof the rotating drum is thoroughly dried due to the fact that there is a continuous flow of dried air about the drum and passing throughthe stack 18 ,into the compartment 17 whence it is driven through the drum 5, thoroughly mixing with the material therein until it is discharged through the receiving hopper 16.
  • a drying apparatus a support, a housing mounted on said support. a rotary, drum having a material inlet and air outlet at one end, a material outlet at the opposite end. said drum mounted in said housing. a heating unit mounted in said housing directly beneath the drum, means for deliveringair into said housingand said drum, and
  • a drying apparatus a support, a housing mounted on said support, a drum rotatably mounted in said houslng and upon said supports. and an electrical heating unit located in sa'id housing.
  • a support a housing mounted on said support, a drum rotatably mounted in the housing and upon said support. a heating unit, and means for adj ustably supporting the heating unit within the housing beneath the drum.
  • a support a housing mounted on. said support, a drum rotatably mounted in said housing, a heating unit located in said housing, and means secured to said housing to support said heating unit within close proximlty to said drum.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Description

DRYING APPARATUS Filed Dec. 25, 1924 2 Sheets-Sheet 1 ay 7 H. ZEUN DRYING APPARATUS Filed Dec. 23,- 1924 2 SheetsSheet Lou/s H Zea/9 //VVEN TOR ePatented May 24, 1927.
- UNITED STATES LOUIS H. ZEUN, OF BALTIMORE, EARYLA ND, ASSIGNOR TO JOHN B. ADT COMPANY, OF BALTIMORE,- MARYLAND.
DRYING APPARATUS.
Applioation filed December 23, 1924. Serial No. 757,648
This invention relates to certain new and useful improvements in a drying apparatus and particularly to that type illustrated 1n Patents No. 1,057,912 and No. 1,255,843, dated April 1, 1913, and February 12, 1918, respectively, and its object is to generally improve I the heating method as will be pointed out. 1n the detailed description which Wlll hereinafter appear.
Afurther object of the invention is to provide a drying apparatus for tobacco and like materia, with a heating unit of such construction as to render it possible to manun facture the machine at a comparatively small cost.
A still further object is to provide a drying a paratus with a rotating drum located in a iieat chamber directly over a heating unit, and means for conveying heated air from the heat chamber about said drum to and through said drum and an exhaust means for said used heated air.
With these and other objects in view, the invention consists in certain novel features, combination and arrangement of parts as will be hereinafter more fully described, illustrated in the drawings, and pointed out in the claims hereto appended.
In the drawings,
Figure 1 is a side elevation of my improved drying apparatus, partly broken away and in dotted lines to illustrate certain features of this invention,
Figure 2 is an end elevation, partly in section, of my improved dryer.
Referring to the drawings, the numeral 5 indicates a rotating drum provided at its receiving and delivering ends with friction bands 6 and 7, which rest on supporting rollers 8 mounted in a frame 9. The frame 9 constitutes asupporting base for the drum housing 10, the drum housing extending from the frame 9 upward and about said drum.
The drum 5 is provided at its receiving end with a tooth annulus 11, which meshes with a spur-gear 12 carried by a shaft 13, which is rotated through an operating means 14, such as a motor or the like.
The elements just described form no part of this invention and are simply illustrated to disclose the usual method for rotating the drum 5.
The supporting frame 9 is provided at its forward end with uprights 15, which sup- The housing 10 is in communication with the compartment 17 through the medium of a pipe 18 or stack, which has its ends secured respectively to the compartment as at 19. and the housing as at 20, respectively.
The bottom wall 21 of the drum housing 10 is arranged at a predetermined space from the floor or support upon which it rests, and
air is drawn through a regulating door 22 secured in the side wall of the housing 10 at the forward end thereof and is suitably heated by a heat unit 23 mounted within the housing and is conveyed about said drum through stack 18 in the compartment 17 and thus drawn through the drum by the natural draft of the hopper 16 where it is exhausted.
The heating units 23 are here shown as electrical resistance and they are mounted upon supporting brackets 24, which may be raised and lowered through adjusting brackets 25 secured exteriorly to the housing 10. The supporting brackets 24 are held in position by any suitable means, such as lug screws 26, extending horizontally through the adjusting brackets 25 and engaging the opposite ends of the brackets 24.
It is to be understood that the heating units 23 may be electrical units or may be of a gas type. such as burners or the like, the particular fuel used not forming a part of this invention, the principal feature being the use of a heating unit mounted upon a bracket in close proximity to the rotating drum 5.
The compartment 17 has its lower end open, which open end is controlled by a discharge valve 27 mounted on hinges 28 to the side walls thereof. This valve is normally closed and is held closed by a weight 29 secured thereto. and it only opens when suflicient material has been fed from the ro tatin drum into the compartment 17 to over-fialance the Weight 29, permitting the material to be discharged from the compartment 12. As soon as the' load is released from the valve 27, the Weight 29 automatically returns it to closed position.
One side wall of the housinglO is provided with a hinged door 30. which is particularly adapted to permit access to the interior of the housing should any trouble warrant entrance into the housing, such as changing the heating units or the like.
The particular operation of this device is as follows: The material is fed from the hopper 16 into the drum 5', which has been properly heated through the medium of the eating units 23, the material hitting the sidesof the rotating drum is thoroughly dried due to the fact that there is a continuous flow of dried air about the drum and passing throughthe stack 18 ,into the compartment 17 whence it is driven through the drum 5, thoroughly mixing with the material therein until it is discharged through the receiving hopper 16.
Having thus described my invention, What I claim'as new is:
1. In a drying apparatus. a support, a housing mounted on said support. a rotary, drum having a material inlet and air outlet at one end, a material outlet at the opposite end. said drum mounted in said housing. a heating unit mounted in said housing directly beneath the drum, means for deliveringair into said housingand said drum, and
-means for conducting said air from said idrum through said air outlet.
' an air inlet for said housing, means for conducting said air about and into said drum, and a discharging means for said air.
3. In a drying apparatus, a support, a housing mounted on said support, a drum rotatably mounted in said houslng and upon said supports. and an electrical heating unit located in sa'id housing.
4. In a drying apparatus, a support, a housing mounted on said support, a drum rotatably mounted in the housing and upon said support. a heating unit, and means for adj ustably supporting the heating unit within the housing beneath the drum.
5. In a drying apparatus, a support. a housing mounted on. said support, a drum rotatably mounted in said housing, a heating unit located in said housing, and means secured to said housing to support said heating unit within close proximlty to said drum. In testimony whereof-he hereunto afiixes his signature. i
LOUIS ZEUN.
US757648A 1924-12-23 1924-12-23 Drying apparatus Expired - Lifetime US1629942A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488653A (en) * 1946-03-28 1949-11-22 John O Andree Portable hay dehydrator
US2634358A (en) * 1950-05-13 1953-04-07 Maytag Co Collector ring assembly
US2634357A (en) * 1950-05-10 1953-04-07 Maytag Co Collector ring assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2488653A (en) * 1946-03-28 1949-11-22 John O Andree Portable hay dehydrator
US2634357A (en) * 1950-05-10 1953-04-07 Maytag Co Collector ring assembly
US2634358A (en) * 1950-05-13 1953-04-07 Maytag Co Collector ring assembly

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