US674354A - Ore-cooling device. - Google Patents
Ore-cooling device. Download PDFInfo
- Publication number
- US674354A US674354A US74133899A US1899741338A US674354A US 674354 A US674354 A US 674354A US 74133899 A US74133899 A US 74133899A US 1899741338 A US1899741338 A US 1899741338A US 674354 A US674354 A US 674354A
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- Prior art keywords
- ore
- chamber
- discharge
- openings
- sheds
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- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/12—Machines 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
- F26B17/14—Machines 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 moving through a counter-current of gas
- F26B17/1408—Machines 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 moving through a counter-current of gas the gas being supplied and optionally extracted through ducts extending into the moving stack of material
- F26B17/1416—Machines 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 moving through a counter-current of gas the gas being supplied and optionally extracted through ducts extending into the moving stack of material the ducts being half open or perforated and arranged horizontally
Definitions
- Patented may
- FREDERICK C DURANT, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO SPENCER PENROSE, CHARLES L. TUTT, AND CHARLES M. MACNEILL, OF COLORADO SPRINGS, COLORADO.
- the object of my invention is to provide an eiiicient means for cooling roasted ore rapidly and uniformly.
- Figure 1 represents a central longitudinal section through the apparatus embodying my invention
- Fig. 2 is a plan of the apparatus with the chamber and its sheds removed.
- F designates the ore-chamber, rectangular in shape and provided with series of transverse / ⁇ shaped sheds G g, arranged in zigzag order, as clearly shown in Fig. 1, to subdivide the descending body of ore and form air-con- 5o duits therethrough, the sides of the chamber being provided at the ends of every shed with openings for the free passage of air.
- rlhe floor of the chamber isV represen ted at F and is separated from the body thereof by a shortinterval to permit the longitudinal travel of the 5 5 discharging devices, as will hereinafter be described.
- the door F' of the ore-chamber is considerably Wider than the chamber itself, t-he dimensions of the latter beingindicated by the 6o dotted lines at FX in Fig. 2.
- Discharge-openings f preferably staggered, as shown, are formed in the floor. Beneath each end of the iioor F transverse shafts H H are arranged, said shafts carrying sprocket-wheels h h and rh' h', respectively, which engage with and actuate the endless chain belts I I', carrying discharge-Scrapers J-in this instance two in number.
- Said Scrapers extend across the iioor and are arranged to travel in contact 7 o with the surface thereof during their passage above the same, and the ends of the scrapers are curved, as indicated at J', so as to throw any material whichL they encounter upon that portion of the floor inwardly and prevent its falling over at the sides.
- the sprocketwheels are actuated by suitable driving mechanism, (not shown,) and as they rotate the chain belts bring the Scrapers alternately into position to sweep along the floor F.
- the discharge-openings j' are arranged beneath the center of Vthe respective conduits G of the lower row, the result of this arrangement being that when the chamber is filled With ore it will find a position of rest, and consequently nodischarge will take place through the openings unless the ore is disturbed.
- the necessary disturbance is effected by the travel of the Scrapers J, which as they pass along the floor dislodge the body 9o of the ore resting thereon, carrying it to the openings f, and thus eect the desired discharge in the direction of the arrows in Fig.
Description
10.674,354. Patented'may I4, mol.`
F. c. nunANT.
URE GUOLING DEVICE.
' (Application med Dec. 29, 1899. (No Model.) I
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No. 674,354. Patented may |4, 190|. F. c. numw.
o RE comme DEVICE.
(Application le vIJec. 22, 1898.)
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UNITED STATES PATENT OFFICE.
FREDERICK C. DURANT, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO SPENCER PENROSE, CHARLES L. TUTT, AND CHARLES M. MACNEILL, OF COLORADO SPRINGS, COLORADO.
ORE-COOLING DEVICE.
SPECIFICATION forming part of Letters Patent No. 674,354, dated May 14, 1901.
Application filed December 22, 1899. Serial No. 741,338. (No model.)
T all whom it may concern,.-
Beit known that I, FREDERICK C. DURANT, a citizen of the United States, and al resident of Philadelphia, Pennsylvania, but now temporarily residing at Colorado Springs, in the State of Colorado, have invented certain new and useful Improvements in Ore-Cooling Devices, whereof the following is a specification, reference being had to the accompanyxo ing drawings. y
The object of my invention is to provide an eiiicient means for cooling roasted ore rapidly and uniformly.
Where the cooling of ore has been effected i5 by passing it continuously through a receptacle containing conduits or passages which permit the circulation of currents of air through the body of the ore, it has been found that there is a marked tendency for the hot zo ore to make localized channels, and thus take a short cut through the apparatus, leaving therein an accumulated mass of cooler material, which remains almost permanently in the chamber, so that thereafter additions of z5 hot ore result to a great extent in the immediate discharge thereof through the selfformed channels without material lowering of its own temperature. I have found that this difculty can be obviated or minimized 3o by the action of such an apparatus as is hereinafter described, the important feature of operation being the repeated detention of the ore, either as a whole or in localized regions of its path practically at rest, for a period of time sufficient to check the tendency of the hot ore to find short cuts through the mass of material. The cooling effect is thus practically uniform upon all of the ore that passes through.
In the accompanyingdrawings,Figure 1 represents a central longitudinal section through the apparatus embodying my invention, and Fig. 2 is a plan of the apparatus with the chamber and its sheds removed.
F designates the ore-chamber, rectangular in shape and provided with series of transverse /\shaped sheds G g, arranged in zigzag order, as clearly shown in Fig. 1, to subdivide the descending body of ore and form air-con- 5o duits therethrough, the sides of the chamber being provided at the ends of every shed with openings for the free passage of air. rlhe floor of the chamber isV represen ted at F and is separated from the body thereof by a shortinterval to permit the longitudinal travel of the 5 5 discharging devices, as will hereinafter be described.
The door F' of the ore-chamber is considerably Wider than the chamber itself, t-he dimensions of the latter beingindicated by the 6o dotted lines at FX in Fig. 2. Discharge-openings f, preferably staggered, as shown, are formed in the floor. Beneath each end of the iioor F transverse shafts H H are arranged, said shafts carrying sprocket-wheels h h and rh' h', respectively, which engage with and actuate the endless chain belts I I', carrying discharge-Scrapers J-in this instance two in number. Said Scrapers extend across the iioor and are arranged to travel in contact 7 o with the surface thereof during their passage above the same, and the ends of the scrapers are curved, as indicated at J', so as to throw any material whichL they encounter upon that portion of the floor inwardly and prevent its falling over at the sides. The sprocketwheels are actuated by suitable driving mechanism, (not shown,) and as they rotate the chain belts bring the Scrapers alternately into position to sweep along the floor F. As 8o will be noted, the discharge-openings j' are arranged beneath the center of Vthe respective conduits G of the lower row, the result of this arrangement being that when the chamber is filled With ore it will find a position of rest, and consequently nodischarge will take place through the openings unless the ore is disturbed. The necessary disturbance is effected by the travel of the Scrapers J, which as they pass along the floor dislodge the body 9o of the ore resting thereon, carrying it to the openings f, and thus eect the desired discharge in the direction of the arrows in Fig.
l. The chain belts travel slowly, and as the Scrapers are only operativel upon that portion of the ore which is in their immediateA vicinity it will be seen that the discharge will. be effected successively at each row of openings f and that the main body of ore will be at rest in the chamber except when the roo scraper is operative for the time being. This system insures the detention of the ore in the chamber for a sufficient time to prevent it from channeling or making a short cnt, and thus attains the desired object.
Having thus described my invention, I claiml. In combination With an ore-chamber, having a series of air-inlets in its sides, a series of sheds orinverted-troughlike conduits connecting said airinlets,and discharge-openings in the bottom of the chamber, and directly under and covered by each shed of the lower series of sheds, of a discharge device movable along the bottom of the chamber, and means for actuating the same, said discharge device being so constructed and arranged as to intermittently discharge the material; substantially as described.
2. The combination of an ore-chamber, havl ing its bottom spaced from its Walls, and provided With discharge-openings, series of sheds in the chamber, the sheds of one series alternating with those of the next series to sub divide the ore and form air-conduits therethrough, the Walls of the chamber having airinlets at the ends of the several sheds and the sheds of the lower series extending over the discharge-openings, with a discharge de vice traveling across said bottom, and comprising endless chains exterior to the chamber, and a scraper having inwardly-curved ends and connected at its ends to said chains, and means for actuating said chains; substantially as described.
FREDERICK C. DURANT.
Witnesses:
JAMES H. BELL, E. REESE.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74133899A US674354A (en) | 1899-12-22 | 1899-12-22 | Ore-cooling device. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74133899A US674354A (en) | 1899-12-22 | 1899-12-22 | Ore-cooling device. |
Publications (1)
Publication Number | Publication Date |
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US674354A true US674354A (en) | 1901-05-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US74133899A Expired - Lifetime US674354A (en) | 1899-12-22 | 1899-12-22 | Ore-cooling device. |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3031773A (en) * | 1958-03-20 | 1962-05-01 | Goodnews Bay Mining Co | Coal drying apparatus |
-
1899
- 1899-12-22 US US74133899A patent/US674354A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3031773A (en) * | 1958-03-20 | 1962-05-01 | Goodnews Bay Mining Co | Coal drying apparatus |
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