US884230A - Grain-heater. - Google Patents

Grain-heater. Download PDF

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Publication number
US884230A
US884230A US1907400123A US884230A US 884230 A US884230 A US 884230A US 1907400123 A US1907400123 A US 1907400123A US 884230 A US884230 A US 884230A
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Prior art keywords
cylinders
grain
heater
arranged
outer
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Frank A Spivak
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Frank A Spivak
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00Heating arrangements
    • F26B23/04Heating arrangements using electric heating
    • F26B23/06Heating arrangements using electric heating resistance heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/12Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft
    • F26B17/16Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed solely by gravity, i.e. the material moving through a substantially vertical drying enclosure, e.g. shaft the materials passing down a heated surface, e.g. fluid-heated closed ducts or other heating elements in contact with the moving stack of material

Description

PATENTED APR. 7, 1908.

F. A. SPIVAK. GRAIN HEATER. APPLICATION FILED coral, 1907.

WW1/meow FRANK A. SPIVAK, OF SNRISE, MINNESOTA.

GRAIN -HEATER.

Specification of Letters Patent.

Patented April 7, 1908.

Application filed October 31, 1907. Serial No. 400,123.

T0 all whom it may concern:

Be it known that I, FRANK A. SPIvAK, a citizen of the United States, residing at Sunrise, in the county of Ohisago and State of Minnesota, have invented certain new and useful Improvements in GrainHeaters and I do declare the following to be a full,.clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to improvements in grain heaters.

The object of the invention is to provide a device of this character in which grain is heated by electricity and which is at all times under perfect control and which will evenly heat the grain passing therethrough.

With the foregoing and other objects in View, the invention consists of certain novel features of construction, combination and arrangement of parts, as will be more fully described and particularly pointed out in the appended claims.

In the accompanying drawings: Figure 1 is a vertical sectional view of the heater. Fig. 2 is a horizontal sectional view of the same; and Fig. 3 is a detailed view of one of the spacing blocks used to separate the sections of the heater. Fig. 4 is a diagrammatic view of the heating coils, supply wires and switch of the heater.

In the embodiment of the invention, I provide a series of sheet metal cylinders arranged in pairs, one within the other. The outer pair of cylinders consist of an outer cylinder, 1, and an inner cylinder, 2, said inner cylinder being of less diameter than the outer cylinder and is arranged concentrically thereto, thus providing a space, 3, between the same and outer cylinder. On the upper ends of the cylinders, 1 and 2, is arranged a plate, 4, having formed therein a centrally disposed passage, 5, through which the grain is introduced to the heater. The plate, 4, is secured in place by brackets, 6, riveted or otherwise secured to the outer side of the cylinder, 1, adjacent to its upper edge.

The inner pair of cylinders consist of an outer cylinder, 7, which is of less diameter than the cylinder, 2, of the outer pair and. is spaced concentrically therefrom, by means of a series of diamond shaped spacing blocks, 8, which are riveted 0r otherwise secured to the cylinder, 7. The inner cylinder, 9, of

the inner pair of cylinders is of less diameter than the cylinder, 7, and is concentrically arranged therein to provide a space, 10. The inner pair of cylinders are of less length than the outer pair and at the upper end of said inner pair of cylinders is arranged a deilecting cone, 12, the apex of which is disposed immediately below the inlet aperture, 5, of the plate 4, so that theggrain, after passing through said aperture is directed and evenly scattered toward the space lpletween the inner and outer pairs of cyliners.

Secured to the lower end of the outer pair of cylinders is a conically shaped ho per, 13, the lower end oi which is provide with a discharge spout, 14. The upper edge of the hopper, 14, is provided with a vertically disposed annular ilange, 15, which is adapted to be engaged with the lower end of the outer cylinder, 1. In the iiange, 15, is formed a series oi' bayonet slots, 16, which are adapted to be engaged with radially projecting pins, 17, arran ed on the outer cylinder, 1, thereby detachab y connecting the hopper, 13, to said cylinder.

Between the outer pair of cylinders, 1 and 2, in the space, 3, is arranged electric heating coils, 18, the wires of which are surrounded by an asbestos packing and between the inner pair oi cylinders 7 and 9 and in the space 1() is arranged another series oi electric heating coils, 19, the wires oi which are also surrounded by an asbestos packing. The coils, 18 and 19, are electrically connected to suitable contact wires, 20, in which are arranged switches, whereby the electric current may be controlled to supply a part or all oit' the heating coils as may be4 desired. A suppl wire is adapted to enter the cylinders throug a sleeve, 21, arranged in the hopper, 13, as shown, thus preventing the grain from com ing into contact with the wire in passing through the hopper. Vvvhen the coils are supplied with a current of electricity the heat generated thereby will heat and dry the grain passing between the pairs of cylinders. The spacing blocks, 8, are formed in diamond shape to prevent any lodgment of grain thereon, when passing through between the cylinders. By turning the hopper, 13, in the proper direction, the same may be readily detached and removed from the outer cylinders after which the inner cylinders may be removed and the heater thus readily taken apart.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. A grain heater comprising inner and outer pairs of cylinders adapted to be arranged within each other to form between themselves a concentric heating space, a plurality of electric heating coils arranged between the cylinders of each of said pairs, whereby the grain passing through said space is heated, and means to determine the use of said coils, substantially as described.

2. A grain heater comprising an outer pair of cylinders, an inner pair of cylinders adapted to be arranged within said outer pair to form within themselves a concentric heating space, means to hold said pairs of cylinders spaced a art within concentric relation, an aperture cover plate on the upper end of said outer pair of cylinders7 a de ecting cone secured to the upper ends of said inner pair of cylinders, a conically shaped hopper arranged belovsr said cylinders, means to detachably secure said hopper to the outer pair of cylinders, a series of heating coils arranged between the cylinders of each of said airs, an asbestos packing arranged around) the wires of said coils, electric conductin wires and switches arranged in said conc ucting wires to control the current assing through said heating coils, whereby e ectricity is supplied to a part or all of the coils, substantially as described.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

FRANK A. SPVAK.

Witnesses:

E. NORDGREN, MARCUM LANTZ.

US1907400123 1907-10-31 1907-10-31 Grain-heater. Expired - Lifetime US884230A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778922A (en) * 1953-08-27 1957-01-22 Sta Warm Electric Co Treating tank for thermoplastic materials and the like
US3401225A (en) * 1965-10-20 1968-09-10 Earl L. Kirkman Heating assembly for an electric furnace with non-linear resistance heating elements
US4525936A (en) * 1983-11-14 1985-07-02 Hauck Guenther Flux drying apparatus and method
WO1989003966A1 (en) * 1987-10-30 1989-05-05 Custom Equipment Corporation Low temperature kiln
EP0354292A1 (en) * 1988-07-30 1990-02-14 Heraeus Quarzglas GmbH Apparatus for drying finely divided solids

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778922A (en) * 1953-08-27 1957-01-22 Sta Warm Electric Co Treating tank for thermoplastic materials and the like
US3401225A (en) * 1965-10-20 1968-09-10 Earl L. Kirkman Heating assembly for an electric furnace with non-linear resistance heating elements
US4837423A (en) * 1982-05-24 1989-06-06 Custom Equipment Corporation Low temperature kiln
US4525936A (en) * 1983-11-14 1985-07-02 Hauck Guenther Flux drying apparatus and method
WO1989003966A1 (en) * 1987-10-30 1989-05-05 Custom Equipment Corporation Low temperature kiln
EP0354292A1 (en) * 1988-07-30 1990-02-14 Heraeus Quarzglas GmbH Apparatus for drying finely divided solids

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