US1211149A - Combustion-accelerator. - Google Patents

Description

BEST AVAILABLE COP E. A. HELLER.

COMBUSTIGN ACCELERATOR.

Arrucmo'u run) was 21. 191's.

1,211,149. Patented Jan.2, 1917.

WITNESSES INVENTOR W ATTORNEYS BEST AVAlLABLE C(DP.

EMIL ARTHUR HELLER, OF NEVT YORK, N. Y.

COMBUSTION -ACGELERATOR.

Specification of Letters Patent.

B 581 AYAF-ABLE Patented Jan. 2, 1917.

Application filed June 27, 1916. Serial No. 106,226.

T 0 all whom it may concern:

Be it known that I, EMIL A. HELLER, a citizen of the United States, and a resident of the city of New York, borough of Bronx, in the county of Bronx and State of New York, have invented a new and Improved Gombustion-Accelerator, of which the following is a full, clear, and exact description.

My invention relates to means for a crating the combustion-of fuel in fun) and hasipfcrencemore particularly to vice for facilitating the consumpl' of smoke which would be otherwise unconsumed.

\Vith the above and other objects in View, the nature of which will more fully appear as the description proceeds, the invention consists in the novel construction, combination and arrangement of parts as herein fully described, illustrated and claimed.

In the accompanying drawings, forming part of the application, similar characters of reference indicate corresponding parts in all the views.

Figure 1 is a cross section of a boiler furnace provided with an embodiment of my invention, which is shown in section; Fig. 2 is an enlarged longitudinal section through the combustion accelerator; Fig. 3 is a plan view thereof; and Fig. 4 is a section on line ll, Fig. 2.

Referring to the drawings, 5 is the mixing chamber of the accelerator, which is ireferably in the shape of a drum slotted through its entire length and bordered at the slot by longitudinal flanges 6. This flanged slot constitutes the nozzle of the chamber through which the mixture of air and fuel is discharged. The drum has also an air passage 7 on the side opposite the nozzle. The passage is preferably of circular cross section and is located substantially midway between the closed ends of the drum. The length of the air passage depends on the size of the furnace wall for which the device is to be used. The extremity 8 of the air passage which lies outside of the furnace is preferably flared, a cover 9 being provided for the flared end so as to obstruct, when desired, the flow of air therethrough to the drum.

To give the air passing through the passage 7 a circular movement, a stationary helix 10 is provided within the air passage 7. The air passage 7 near the mixing chamber, has

a. suction nozzle or fuel inlet 11, the mouth of which nozzle is shorter than the length of the drum, and rapidly converges to the width of the air passage so as to concentrate the movement of the fuel drawn therein by the circular and rapid movement of the air flowing through the air passage into the drum. To obtain a perfect mixture of the air and fuel before t he same passes through he nozzle of the drum, baffle plates 12 are provided within the drum. Both of the plates extend through the entire length of the drum, one depending in front of the air inlet and the other rising in front of the nozzle. Due to the depending and rising baflies the mixture of air and fuel is forced toZdescend and then ascend within the mixing chamber before it can pass through the nozzle into the furnace.

The mixing chamber is of a width sulficient to extend substantially over the entire width of the grate 13 of the furnace. The accelerator is placed sufliciently above the grate notto interfere with the charging of the grate with fuel. It is also placed sufiiciently over the grate so that the smoke generated by imperfect combustion will be within the area of action of the suction nozzle 11 whereby the smoke is drawn in and mixed with the air passing into the mixing chamber. The mixing chamber being subjected to the heat of the flame generated on the grate preheats the mixture before it is ejected from the discharge nozzle 14: where it will be instantly ignited by the heat within the furnace. In consequence the originally unconsumed fuel will be consumed and the heat absorbed or utilized directly under the subject matter to be heated by the furnace. As a result there is a better combustion of the fuel and elimination of smoke or unconsumed fuel. To prevent the collapsing of the flanges 6 at the discharge nozzle 14, spacers 15 are provided in the shape of ribs.

I claim:

1. A combustion accelerator for furnaces comprising a mixing chamber having a discharge nozzle adapted to be disposed within the fire chamber of the furnace, said mixing chamber having an air inlet adapted to be disposed outside of the furnace, bafiie plates in said chamber between the air inlet and the discharge nozzle, means associated with the air inlet to give a whirling motion to the air entering the chamber, and a suction nozzle @537 AVAlLABLE COP associated With the air inlet and adapted to be located Within the fire chamber of the furnace.

2. A combustion accelerator for furnaces comprising a mixing chamber adapted to be disposed Within the furnace and having a discharge nozzle Within the fire chamber of the furnace, said mixing chamber havingan air inlet opposite the nozzle adapted to be disposed outside of the furnace, bafiie plates within the chamber for intercepting the direct flow from the inlet to the discharge nozzle, means Within the air inlet for Whirlingthe air entering the chamber, and a suc- Llan nozzle leading to the air inlet and located between said means and chamber and adapted to be disposed within the fire chamber of the furnace.

3. A combustion accelerator for furnace: comprising a drum adapted'to be disposed Within the furnace, said drum having a slot extending substantially through its entire length and'forming a discharge nozzle therethrough into the fire chamber of the furnace, a tubular member extending from the drum substantially midway between its aids and. located opposite said slot, the end f said tubu lar member being'adaptedto be optics of this iiatent may belobtained-for 4 tubular member into the drum, and a suclocated outside of the furnace to form an air inlet for said drum, bafiie plates within 3 said drum extending longitudinally thereof and intercepting the direct flow from the inlet to the slot, a helix Within the tubular memberto Whirl the air passing through the tion nozzle depending from the inlet between the helix and the drum and adapted to be located Within the fire chamber of the fur nace.

7 4. A: combustion accelerator for furnaces comprising a mixing chamber having a discharge nozzle adapted to be disposed Within the furnace so as to discharge in the direction of theoutlet of combustion gases from the; fire chamber of the furnace, said mix- 4 :iamber having an air inlet opposite ozzle adapted to be disposed outside of urnace, bafileplates Within the charm i tween the-air inlet and the nozzle, 3 31d a '91 nozzle associated with the air inletand, adapted to be disposed Within the fire chambe of the furnace to draw the u' n burned gases of the fire chamber and cause the 'gases to. pass with the 'airthrough the discharge nozzle.

' I EMIL ARTHUR HELLER.

five cents eacli, by addressingthe Commissioner of Patents, .washingtom nc. p

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