US657228A - Burning pulverized and liquid hydrocarbons for fuel and heating. - Google Patents

Burning pulverized and liquid hydrocarbons for fuel and heating. Download PDF

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Publication number
US657228A
US657228A US72741599A US1899727415A US657228A US 657228 A US657228 A US 657228A US 72741599 A US72741599 A US 72741599A US 1899727415 A US1899727415 A US 1899727415A US 657228 A US657228 A US 657228A
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Prior art keywords
pit
fire
fuel
flue
carbon
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US72741599A
Inventor
Samuel M Trapp
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AMOS E BROWN
CHESTER THORNE
W H REMINGTON
Original Assignee
AMOS E BROWN
CHESTER THORNE
W H REMINGTON
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Priority to US72741599A priority Critical patent/US657228A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D1/00Burners for combustion of pulverulent fuel

Description

No'. 657,228. Patented Sept. 4, I900. S. M. THAPP.
BURNING PULVERIZED AND LIQUID HYDROCARBONS FOR FUEL AND HEATING.
(Application filed Aug. 16, 1899.) (N'oModeL) 2 ShaetsSheat I.
WITNESSES IN VE N T0,?
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No. 657,228. Patented Sept. 4, I900. 8. M. TRAPP.
BURNING PULVEBIZED AND LIQUID HYDRUCARBONS FOR FUEL AND HEATING.
(Application filed Aug. 18, 1899.) (No Model.) 2 Sheets$heet 2.
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Y TATES PATENT OFFICE.
SAMUEL M. TRAPP, OF TACOMA, WASHINGTON, ASSIGNOR OF THREE- FOURTIIS TO W. H. REMINGTON, CHESTER THORNE, AND AMOS E.
BROYVN, OF SAME PLACE.
BURNING PULVERIZED AND LIQUID HYDROCARBONS FOR FUEL AND HEATING.
SPECIFICATION forming part of Letters Patent No. 657,228, dated September 4, 1900.
' Application filed August lti, 1899. Serial No. 727,415. (No model.)
$0 on whom, it may concern.-
Be it known that I, SAMUEL M. TRAPP, a citizen of the United States, residing at Tacoma, in the county of Pierce and State of Vashington, (whose post-office address is Tacoma, W'ashingtom) have invented a new and useful Improvement for Burning Pulve'rized and Liquid Hydrocarbons for Fuel and Heat Purposes, of which the following is a clear and concise description.
Mynewly-invented improvement has for its ObJ ect the use of pulverized and liquid hydrocarbon for fuel, so as to produce a clear,smokeless, and economical heat for steam-generating and other fuel purposes.
The novelty of my invention is illustrated the accompanying drawings, in which F1gure l is a horizontal section of the firepit of a boiler for steam-generating purposes. Fig. .2 is a vertical longitudinal and Fig. 3 a vertical cross section of the same. Fig. 4 is a vertical section of a dry-carbon-pulverizing mill, and Fig. 5 illustrates the regulating wheel for same.
The essential features of my newly-invented improvement consist of a superheated steam or air blower A, a pulverizer, Fig, 4, and a series of brick or hollow-tile flues A E F. It can be operated by steam or other power.
The brick or hollow-tile flue or flues A E F are designed to be placed in any steam-boiler fire-pit to suit the conditions and can be so located without making any radical change of the fuel-burning systems now in use. The brick or hollow-tile flue or flues A E F can be placed in the fire-pit, as shown in the drawings, so as to force the flame toward the fire: pit doors L and allow it to rebound over itself and back over the bridge-wall K, and thence through the boiler-flues to the atmosphere. They may be so constructed with ports opening 1n other directions as to discharge and spread the flames more widely. The brick or hollow-tile flue A begins near the front of the flre-pitIIand continues to near the bridgewall K, where it branches out on either side and has outlet port-holes J J opening toward the fire-pit doors L, so that when the flame is produced within the flues A E F it thence proceeds out through the port-holes J J into the fire-pit H, where perfect combustion is obtained and but little, if any, of the heat, sparks, smoke, or filth escapes to the atmosphere, the laterally-extending flue F, with its parts, serving as a deflector for the flame. The liquid hydrocarbon or dry pulverized carbons are fed into the hot-blast A and ignition flue or flues E F as fast only as perfect combustion is demanded in the fire-pit H. This will enable an engineer to keep the required temperature in a locomotive fire-pit and then prevent the annoyance of smoke or sparks and waste of steam, a saving riot obtained by fuel-burning systems now in use.
A locomotive can make positive and better time at less expense with my improvement than can be obtained from present methods of burning fuels. The dry-carbon-pulverizing mill, Fig. 4, the air-blower, and power can be set up within the locomotive-tender and will occupy a small space.
The hopper Y of the drycarbon-pulverizing mill L can be made of any capacity desired. The pulverizing-mill, air-blower, and power are suitably connected and combined together. The mill is provided with a regulating cut-oif damper J, Fig. 4:. The discharge feed-pipe B is connected with the airblower pipe A, so that when in operation the air-blast and pulverized carbon become thoroughly mixed together, thence discharged into the ignition-flues E,where a steady and continuous flame can be produced thereby, and discharged through the port-holes J into the fire-pit, where perfect combustion is obtained. The combustion and temperature are regulated in the fire-pit H by admitting more or less air-blast and pulverized carbon, so as to generate the amount of steam required at all times and keep the same at a steady pressure whether much or little steam is being used. The hot-blast and ignition flues A E F are provided with one or more inlet-openings I I, leading direct from the fire-pit H into the flues, so that when the process of my invention is set in operation and while the blast and carbon are passing into the hotblast and ignition flues A E F a suction is formed at the heat-openings I that draws a part of the flame from the fire-pit into the flues E F. Thisignites the carbon and heats the blast up to a high temperature previous to being discharged out of the port-holes J into the fire-pit, where a continuous and perfectlyregulated combustion can be main tained at any and all times. In starting a cold boiler a wood fire is started to raise sufficient steam to produce power, which operates the air-blower and the pulverizer. Then the blast and pulverized carbon are admitted to the hot-blast and ignition flues A E F, thereby effecting a completeoperation of my invention.
The capacity of the pulverizing-mill, Fig. 4, is made to correspond with the consumption of fuel required. The outlet dischargechamber K is provided with a regulating carbon-feed damper J and also a revolving and regulating wheel N, Fig. 5, which is attached to the pulverizing-mill shaft X. This wheel assists the damper J and insures a continuous regulated supply of pulverized carbon, the opening of the damper being large or small. The pulverizing-mill, Fig. 4, is provided with a suitable chamber K between the mill L and the regulating-wheel N, which will hold a certain quantity of pulverized carbon that can be kept in store and the discharge regulated by the damper J and the wheel N. In the space KLthere is an opening M provided, so that if at any time there should be A more carbon than is required to be used it will pass out into the store of unpulverized carbon, thus providing an accurate and uniform weight of pulverized carbon to be fed from the damper J, assisted by the wheel N, and thus prevent any disturbance of the continuous carbon-feed to the oxygen while in operation. All kinds of fuel carbon can be used in my invention without changing the hot-blast ignition-flues.
The following fuels can be used in my invention: pulverized coal, coke, pitch, rosin, wood, sawdust, shavings,liquid hydrocarbon, or steam-carboned fuels of all kinds. When using the liquid hydrocarbon, it is conveyed through a pipe 0, which is placed within the blast and pulverized-carbon pipe A and is extended up to within a certain distance of the heat ignition-opening I, where it ignites and comes in direct contact with the hot blast and is forced through the flues E F out of the portholes into the fire-pit H, where perfect combustion is obtained. Steam can be used with either dry or liquid hydrocarbons. If a hydrocarbon heat is required, superheated steam is introduced in combination with the hot blast and ignited carbon and passed through the highly-heated flues E F and out of the port-holes J into the fire-pit H. When using liquid hydrocarbons, the dry-carbon pulverizer is not needed and, vice versa, when the dry carbon is used there is no need for a liquid-hydrocarbon storage-tank.
The improvement is not complicated and will not get out of order beyond the ordinary wear and tear of the entire plant. The life of the boiler and fire-pit is prolonged, because no fire-door is used and they are not exposed to cold air, thus preventing contraction, expansion, and oxidation. By the use of my invention no foreign substance will collect about or in the fire-pit, or in the tubes of the boiler, or in the smoke-stack, nor residue of any kind from the liquid hydrocarbon or dry carbon, because the process of my invention will produce a clean smokeless heat at all times. The engineer is enabled to produce and maintain the required steam -pressure with less fuel and labor, a result no other carbon-fuelburning system has obtained. Any intelligent man can operate my invention with perfect safety on stationary, marine, or locomotive boilers. When applying my invention to a fire-pit, its present grate-bars can be omitted or left in place and paved over with brick or tile R. Then the hot-blast ignitionflues A E F are placed on this pavement and provided with suitable heat inlet or inlets.
The liquid-hydrocarbon storage-tank or the pulverizing dry-carbon mill, air-blower, and power can be set up in any suitable place, so as to be convenient for the operation of any plant or plants that may be operated with my invention.
Having described my invention and set forth its merits, What I claim is- 1. In a furnace, the combination with the fire-pit, of a fuel-flue leading from the front toward the rear of the fire-pit and in communication with the fire-pit for the intake of an igniting agent from the pit into the flue to ignite the fuel in the flue, and a deflector at the discharge end of the flue located to direct the flame from the flue toward the front of the pit, substantially as described.
2. In a furnace, the combination with the fire-pit, of a fuel-flue leading from the front toward the rear of the pit, the rear of the flue having laterally-extending portions formed with ports for directing the flame from the flue toward the front of the pit, and means for drawing an igniting agent from the fire pit into the portion of the flue in advance of its laterally-extending portions,substantially as described.
3. In a furnace, the combination with the fire-pit, of a fuel-flue leading from the front toward the rear of the pit and at the rear por tion having discharge-ports opening toward the front of the pit to direct the flame from the flue, toward the front of the pit, said flue having at its forward portion inlet-openings communicating with the fire-pit for creating an inward suction from the fire-pit into said flue, substantially as described.
4. In a furnace, the combination with the fire-pit, of a fuel-flue leading from the front toward the rear of the pit, said flue having inlet-openings at its forward portion communicating with the fire-pit to create a suction from the pit into the flue and provided at its rear portion with flame-discharge ports, substantially as described.
5. In a furnace, the combination with the fire-pit, of a fuel-flue leading from the front toward the rear of the pit, said flue having inlet-openings at its forward portion communicating with the fire-pit to create a suction from the pit into the flue and provided at its rear portion with flame-discharge ports, and means for directing an air-blast into the flue, substantially as described.
6. 'In a furnace, the combination with a fuel-flue in communication with the fire-pit, of a pulverizing-mill communicating with the fuel-flue, said mill being provided with a damper to regulate the flow of the material SAMUEL M. TRAPP.
Witnesses:
L. A. NICHOLSON, H. F. NORRIS.
US72741599A 1899-08-16 1899-08-16 Burning pulverized and liquid hydrocarbons for fuel and heating. Expired - Lifetime US657228A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2532740A (en) * 1948-02-10 1950-12-05 William H Speer Fuel burner provided with combustion gas recirculating means
US2554401A (en) * 1946-07-18 1951-05-22 Willard L Christensen Combustion apparatus provided with gas backflow-inducing means adjacent the nozzles
US2959215A (en) * 1948-06-19 1960-11-08 Robert I Warnecke Apparatus for opposing flare back in fluid fuel burners
US3513813A (en) * 1968-12-31 1970-05-26 Us Interior Dilute phase particulate matter reactor-heat exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554401A (en) * 1946-07-18 1951-05-22 Willard L Christensen Combustion apparatus provided with gas backflow-inducing means adjacent the nozzles
US2532740A (en) * 1948-02-10 1950-12-05 William H Speer Fuel burner provided with combustion gas recirculating means
US2959215A (en) * 1948-06-19 1960-11-08 Robert I Warnecke Apparatus for opposing flare back in fluid fuel burners
US3513813A (en) * 1968-12-31 1970-05-26 Us Interior Dilute phase particulate matter reactor-heat exchanger

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