US744131A - Smoke-consumer. - Google Patents

Smoke-consumer. Download PDF

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Publication number
US744131A
US744131A US14385503A US1903143855A US744131A US 744131 A US744131 A US 744131A US 14385503 A US14385503 A US 14385503A US 1903143855 A US1903143855 A US 1903143855A US 744131 A US744131 A US 744131A
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section
stack
smoke
consumer
combustion
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US14385503A
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John Toohey
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M C CANN
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M C CANN
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23BMETHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B5/00Combustion apparatus with arrangements for burning uncombusted material from primary combustion
    • F23B5/02Combustion apparatus with arrangements for burning uncombusted material from primary combustion in main combustion chamber

Definitions

  • This invention relates to furnaces of various kinds wherein the fuel employed produces undesirable quantities of smoke, and has for its object to produce a simplyeconstructed and easily operated attachment whereby the smoke and combustible gases and the like are entirely consumed; and the invention consists in certain novel features of the construction as hereinafter shown and described, and specied in the claim.
  • Figure 1 is a transverse vertical sectional elevation.
  • Fig. 2 is a cross-section on the line 2 2 of Fig. 1Q
  • the furnace or fire-chamber is represented at 10, the boiler at 11, and a portion of the smoke-arch at 12, of the ordinary construction.
  • the slnoke stack rising from the smokearch consists of the lower section 18, -preferably slightly tapering, the intermediate section 14, preferably with parallel sides, the hood section formed with daring lower portion 15 and inwardly-curved upper portion 16, and discharge end 17, leading upwardly from the hood portion.
  • the upper end of the intermediate section 14 is turned inwardly and downwardly and is united to the lower end of the flaring portion ofthe hood-section, as shown at 18.
  • main conductor-fines 25 Leading from the stack-section 14 are one or more main conductor-fines 25 and terminating within the combustion-chamber, preferably above the fire therein, as shown.
  • the bottom of the section 20 is formed reversely inclined, as at 1S 19, the inelines eX- tending from a point near the upper line of the section 2O and ending opposite the lateral discharge-openings 25, as shown.
  • a secondary ue 21 Disposed centrally within the stack-section 14 and extending into the hood-section 15 16 is a secondary ue 21, having a flaring upper end 22 opening into the hood.
  • branches 23 Leading from the lower end 0f' the iiue 2l through the shell 2O are branches 23, so that whatever material passes through the iiue 21 22 will find its way into the space between the shell 2O and stack-section 14. v
  • a downwardly-curving deflecting-hood 24e Above the haring end 22 is supported a downwardly-curving deflecting-hood 24e, with its edges extending beyond the flaring inlet 22 and designed to catch and deflect into the sections 22 21 the heavier particles of the products of combustion.
  • the fans 26 create an upward draft in the stack and at the same time a downward draft in the lues4 2Oa and 21 of stack-section 14 and also in flues 25.
  • the upward draft in the stack results in an induced draft in the combustion-chamber for assisting combustion while the downdraft in the flues arrests the sparks, smoke, and other products of combustion and returns them to the nre-chamber, thus entirely preventing their escape from the stack and insuring their complete consumption.
  • the fan-shaft may be driven by any suitable means, and as such means are so well known they are not illustrated.
  • the entrances to the fan-casings are provided with closing-valves 29, adapted to be operated by the engineer or fireman, as by pull cords or rods 30, to regulate the force of the currents.
  • the parts' may be constructed of any relative size or proportions to adapt them to different-sized furnaces and may be modified in minor particulars withoutdeparting from the principle of the invention or sacrificing any of its advantages.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Description

PATENTED NOV. 1?, 1903.
` J. TooHEY. SMOKE Golvsmsa.`
APPIIIGA'EOH' FILED FEB. 17, 1903.
H0 MODEL.
ma anais amas ou, mumuvno., wnsmnoon, u. c.
1927.. krl.. v
Ne. menen UNITED STATES Patented November 17, 190e.
PATENT OFFICE.
JOHN TOOHEY, STOCKVVELL, INDINA, ASSIGNOR OF ONE-ALF M. C. CANN, OFSTOCKWELL, INDIANA.
SMOKE-CONSUMER.-
SPEGIFICATION forming part of Letters Patent No. 744,131, dated November 17, 1903.
Application filed February i7, 1903i l Serial No. 143,855. (No model.)
@ZZ whom t may concern:
Beit kn own that I, JOHN TooHEY, acitizen of the United States, residing at Stockwell, in the county of Tippecanoe and State of Indiana, have invented a new and useful Smoke-Consumer, of which the following is a speciiication.
This invention relates to furnaces of various kinds wherein the fuel employed produces undesirable quantities of smoke, and has for its object to produce a simplyeconstructed and easily operated attachment whereby the smoke and combustible gases and the like are entirely consumed; and the invention consists in certain novel features of the construction as hereinafter shown and described, and specied in the claim.
The improvements which are the subject of the present invention may be applied to any form of furnace, but are more particularly applicable to steam-generator furnaces, and for the purpose of illustration they are shown thus applied in the drawings, in which corresponding parts are 'denoted by like designating characters.
Figure 1 is a transverse vertical sectional elevation. Fig. 2 is a cross-section on the line 2 2 of Fig. 1Q
The furnace or fire-chamber is represented at 10, the boiler at 11, and a portion of the smoke-arch at 12, of the ordinary construction. y
The slnoke stack rising from the smokearch consists of the lower section 18, -preferably slightly tapering, the intermediate section 14, preferably with parallel sides, the hood section formed with daring lower portion 15 and inwardly-curved upper portion 16, and discharge end 17, leading upwardly from the hood portion. The upper end of the intermediate section 14 is turned inwardly and downwardly and is united to the lower end of the flaring portion ofthe hood-section, as shown at 18.
Leading from the stack-section 14 are one or more main conductor-fines 25 and terminating within the combustion-chamber, preferably above the fire therein, as shown.
Connected into the conductor-hues 25 are means for inducingair-currents thereth rough Such as power-fans 26.
In small generators or furnaces one of the fines 25 and 23 will be sufficient to accomplish the desired results; but in larger plants two or more may be employed, and for the purpose of` illustration two sets of the conductorliues and two powerfans are shown; but it will be understood that any number of these may be employed without departing` from the vprinciple of the invention.
stack a primary iiue 20a, which communi` Cates at its lower end with flue 25 and at its upper open end terminates beneath the inturned rim 18 of the latter, as shown, leaving a free passage over the upper end of the internal stacksection and beneath the inturned rim, which latter constitutes a deflector disposed directly over the flue. l
The bottom of the section 20 is formed reversely inclined, as at 1S 19, the inelines eX- tending from a point near the upper line of the section 2O and ending opposite the lateral discharge-openings 25, as shown. By this means all the. particles of cinders, ashes, and the like which pass over the section 20 will be conducted to the discharge-nues 25 and any tendency of the particles to lodge in the stack obviated. e
Disposed centrally within the stack-section 14 and extending into the hood-section 15 16 is a secondary ue 21, having a flaring upper end 22 opening into the hood.
Leading from the lower end 0f' the iiue 2l through the shell 2O are branches 23, so that whatever material passes through the iiue 21 22 will find its way into the space between the shell 2O and stack-section 14. v
Above the haring end 22 is supported a downwardly-curving deflecting-hood 24e, with its edges extending beyond the flaring inlet 22 and designed to catch and deflect into the sections 22 21 the heavier particles of the products of combustion. When thus constructed and the fans 26 set in operation, it Will be obvious that strong currents will be caused to pass through the iue 21 22 and also through the space between the stack-section 14 and shell-section 2O and conducted thence to the fire-chamber, carrying with them the smoke, gases, and unconsumed particles and returning them to theirechamber,where they are consumed, and this action is repeated so long as any unconsumed particles remain, leaving nothing to escape at the discharge 17 but a small amount of incombustible gas.
It is to be particularly noted that the fans 26 create an upward draft in the stack and at the same time a downward draft in the lues4 2Oa and 21 of stack-section 14 and also in flues 25. The upward draft in the stack results in an induced draft in the combustion-chamber for assisting combustion while the downdraft in the flues arrests the sparks, smoke, and other products of combustion and returns them to the nre-chamber, thus entirely preventing their escape from the stack and insuring their complete consumption.
The fan-shaft may be driven by any suitable means, and as such means are so well known they are not illustrated.
The entrances to the fan-casings are provided with closing-valves 29, adapted to be operated by the engineer or fireman, as by pull cords or rods 30, to regulate the force of the currents.
The parts'may be constructed of any relative size or proportions to adapt them to different-sized furnaces and may be modified in minor particulars withoutdeparting from the principle of the invention or sacrificing any of its advantages.
Having thus described the invention, what I claim is- The combination with a furnace having a stack and a combustion-chamber, of a pair of main flues communicating with the combustion-chamber, a stack-section having an inner sleeve spaced therefrom to form an upwardly opening primary flue communicating at its lower end with the main flues, the upper end of the stack-section being bent inward to form a deflector above the primary flue, a secondary flue disposed within the stack and communicating at its lo wer end with the main flues, a deilector situated above the upper open end of the secondary flue, and a fan disposed in each main iue and operable for inducing an air-current upward through the stack and downward through the ues.
In testimony that l claim the foregoing as myown I have hereto affixed my signature in the presence of two witnesses.
JOHN TooHEY.
Witnesses:
E. P. Filion, BERT JoHNsoN.
US14385503A 1903-02-17 1903-02-17 Smoke-consumer. Expired - Lifetime US744131A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804031A (en) * 1953-12-14 1957-08-27 Jr Edward T Douglass Apparatus for burning wood refuse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804031A (en) * 1953-12-14 1957-08-27 Jr Edward T Douglass Apparatus for burning wood refuse

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