US971823A - Spark-arrester. - Google Patents

Spark-arrester. Download PDF

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Publication number
US971823A
US971823A US49962209A US1909499622A US971823A US 971823 A US971823 A US 971823A US 49962209 A US49962209 A US 49962209A US 1909499622 A US1909499622 A US 1909499622A US 971823 A US971823 A US 971823A
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Prior art keywords
discharge
spark
arrester
smoke
arm
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US49962209A
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Erastus A Bishop
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/20—Spark arrester

Definitions

  • This invention relates to spark arrester attachments for smoke stacks, and has for its object to improve the construction and in crease the efficiency and utility of devices of this character.
  • Figure 1 is a side elevation of the im proved device attached to a portion of a smoke stack.
  • Fig. 2 is a plan view of the same.
  • Fig. 3 is a section on the line 3-3 of Fig. 2.
  • the improved device comprises a tubular member adapted to be attached to the discharge end of the smoke stack, a portion of a smoke stack being represented at 10.
  • the tubular member is formed of a slightly inclined body 11 having a curved portion 12, the latter terminating in a downwardly di rected portion 13 which engages the smoke stack 10.
  • the forward portion of the body 11 is contracted as shown at 1 1, the lower side 15 of the contracted portion conforming to the general. incline of the body and in longitudinal alinement therewith, while the upper portion 16 is inclined more sharply, as shown, whereby a relatively contracted downwardly inclined nozzle is produced at the discharge end of the body.
  • Rising from the body 11 near its juncture with the contracted portion is a relatively large outlet 17.
  • the sides of the outlet be ing vertical and formin continuations of the sides of the body 11.
  • the width of the body 11 thus equals the total width of the outlet portion 17, as will be obvious.
  • the outlet portion 17 is inclined inwardly as shown at 18, while a forwardly inclined deflector or reflector 19 is arranged to extend transversely of the interior of the body 11, and in the path of the products of the combustion which pass through the device.
  • ⁇ Vith a device thus constructed and supported upon the smoke stack, the products of the combustion they rise from the stack are directed laterally by the curved portion 12 and come in contact with the downwardly inclined deflector or reflector 19, and are thereby thrown to the bottom of the body 11 and from whence they are removed over the inclined lower side of the body by the continued action of the draft.
  • the products of the combustion then pass through the body 11 into the contracted discharge 14, and are checked and retarded thereby thus giving the heavier particles of the products, such as cinders and the like an opportunity to settle into the bottom of the body, while lighter gases and smoke only pass through the discharge 17 and the nozzle.
  • the cinders and heavier particles of the products of the combustion are thus checked and permitted to settle in the body 11 and are discharged through the nozzle 14 and fall to the ground therefrom, while the gases and the smoke only pass through the discharge 17.
  • the force of the discharge causes the cinders to be carried through the nozzle, but in a horizontal direction, so that they do not rise above the stack, and the danger therefrom is thereby eliminated.
  • the curved portion 12 and the reflecting member 19 do not materially interfere with the draft of the smoke stack, while at the same time checking the progress of the products of the combustion and retarding them so that the cinders and coarser particles may be separated as before described.
  • the improved device is simple in construction, can be adapted to stacks of various kinds, but is more particularly designed for use in connection with factories in which the lighter grades of fuel are employed, and wherein greater quantities of cinders and other dangerous and deleterious matter is thrown off during the operations of the generators. 7
  • the improved device is espe tlly adaptable for use in connection with saw-mills and like manufactories wherein saw-dust and similar material is employed as fuel.
  • the herein described spark arrester comprising a pipe having a downwardly inclined arm contracted and open at its rear end and a downwardly curved elbow at the front end of said arm for attachment to the upper end of a smoke stack, said elbow closing the frontend of said arm against the admission of air, said arm being further provided on its upper side, at a point intermediate its ends, with an upwardly extending smoke discharge arm, the rear side of which is upwardly inclined to form a baflie and to contract the upper end of said discharge arm, and a downwardly and rearwardly inclined discharge deflecting battle in the upper side of the said inclined arm 1 and extending partially across the lower end of said smoke stack discharge arm.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas After Treatment (AREA)

Description

E. A. BISHOP. SPARK ARRESTER. APPLICATION TILED JUNE 2, 1909.
Patented 0011.4, 1910.
TTE ST SPARK-ARRESTER.
Specification of Letters Patent.
Patented Oct. d, 1910.
Application filed June 2, 1909. Serial No. 499,622.
T all whom it may concern:
Be it known that I, ERASTUS A. BISHOP, a citizen of the United States, residing at Wallowa, in the county of WVallowa, State of Oregon, have invented certain new and useful Improvements in Spark-Arresters; and I do hereby 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 spark arrester attachments for smoke stacks, and has for its object to improve the construction and in crease the efficiency and utility of devices of this character.
With this and other objects in View, the invention consists in certain novel features of construction as hereafter shown and described and then specifically pointed out in the claim, and in the drawings illustrative of the preferred embodiment of the invention, Figure 1 is a side elevation of the im proved device attached to a portion of a smoke stack. Fig. 2 is a plan view of the same. Fig. 3 is a section on the line 3-3 of Fig. 2.
The improved device comprises a tubular member adapted to be attached to the discharge end of the smoke stack, a portion of a smoke stack being represented at 10. The tubular member is formed of a slightly inclined body 11 having a curved portion 12, the latter terminating in a downwardly di rected portion 13 which engages the smoke stack 10. The forward portion of the body 11 is contracted as shown at 1 1, the lower side 15 of the contracted portion conforming to the general. incline of the body and in longitudinal alinement therewith, while the upper portion 16 is inclined more sharply, as shown, whereby a relatively contracted downwardly inclined nozzle is produced at the discharge end of the body.
Rising from the body 11 near its juncture with the contracted portion is a relatively large outlet 17. The sides of the outlet be ing vertical and formin continuations of the sides of the body 11. The width of the body 11 thus equals the total width of the outlet portion 17, as will be obvious. At its forward side the outlet portion 17 is inclined inwardly as shown at 18, while a forwardly inclined deflector or reflector 19 is arranged to extend transversely of the interior of the body 11, and in the path of the products of the combustion which pass through the device.
\Vith a device thus constructed and supported upon the smoke stack, the products of the combustion they rise from the stack are directed laterally by the curved portion 12 and come in contact with the downwardly inclined deflector or reflector 19, and are thereby thrown to the bottom of the body 11 and from whence they are removed over the inclined lower side of the body by the continued action of the draft. The products of the combustion then pass through the body 11 into the contracted discharge 14, and are checked and retarded thereby thus giving the heavier particles of the products, such as cinders and the like an opportunity to settle into the bottom of the body, while lighter gases and smoke only pass through the discharge 17 and the nozzle. The cinders and heavier particles of the products of the combustion are thus checked and permitted to settle in the body 11 and are discharged through the nozzle 14 and fall to the ground therefrom, while the gases and the smoke only pass through the discharge 17. The force of the discharge causes the cinders to be carried through the nozzle, but in a horizontal direction, so that they do not rise above the stack, and the danger therefrom is thereby eliminated. The curved portion 12 and the reflecting member 19 do not materially interfere with the draft of the smoke stack, while at the same time checking the progress of the products of the combustion and retarding them so that the cinders and coarser particles may be separated as before described.
The improved device is simple in construction, can be adapted to stacks of various kinds, but is more particularly designed for use in connection with factories in which the lighter grades of fuel are employed, and wherein greater quantities of cinders and other dangerous and deleterious matter is thrown off during the operations of the generators. 7
The improved device is espe tlly adaptable for use in connection with saw-mills and like manufactories wherein saw-dust and similar material is employed as fuel.
hat is claimed is The herein described spark arrester comprising a pipe having a downwardly inclined arm contracted and open at its rear end and a downwardly curved elbow at the front end of said arm for attachment to the upper end of a smoke stack, said elbow closing the frontend of said arm against the admission of air, said arm being further provided on its upper side, at a point intermediate its ends, with an upwardly extending smoke discharge arm, the rear side of which is upwardly inclined to form a baflie and to contract the upper end of said discharge arm, and a downwardly and rearwardly inclined discharge deflecting battle in the upper side of the said inclined arm 1 and extending partially across the lower end of said smoke stack discharge arm.
In testimony whereof, I afiix my signature, in presence of two witnesses.
ERASTUS A. BISHOP.
\Vitnesses: I
JOHN M. SMITH, CHARLES A. DOTY.
US49962209A 1909-06-02 1909-06-02 Spark-arrester. Expired - Lifetime US971823A (en)

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US49962209A US971823A (en) 1909-06-02 1909-06-02 Spark-arrester.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313715A (en) * 1979-12-21 1982-02-02 Tecumseh Products Company Anti-slug suction muffler for hermetic refrigeration compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313715A (en) * 1979-12-21 1982-02-02 Tecumseh Products Company Anti-slug suction muffler for hermetic refrigeration compressor

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