US643097A - Bunsen burner for liquid hydrocarbons. - Google Patents

Description

Nu.. 043,097. Patented reu. 13,1900.

. n. ADAM. BUNSEN BURNER FOR LIQUID HYDRUCARBDNS.

(App1ication-1ed May 1` 1899.)

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N0. 643,097. Bafented Feh. I3, |900. l R. ADAM.

BUNSEN BURNER FOR LIQUID HYDROJQABBONS.

(Application led May 1. 1899.)

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BUNSEN BURNER FOR LIQUID HYDROCARBONS.'

SPECIFICATION forming part of Letters Patent N o. 643,097, dated February 13, 1900. Application filed May 1, 1899. Serial No.` 715,190. (No model.)

To all 107210791, t may concern,.-

Be it known that I, RICHARD ADAM, a citizen of the Kingdom of Prussia, and a resident of Friedenau, near Berlin, in the Kingdom of Prussia and German Empire, have invented certain new and useful Improvementsin Bunsen Burners for Liquid Hydrocarbons, of which the following is a specification.

The object of the present invention is a new and improved Bunsen burner for liquid fuel in which the blue dame is produced without the employment of chimneys or the like only by means of jets of `steam acting as injectors and blowing a strong current of air into the iiame in order to produce the Bunsen flame. The steam is generated without the employment of a separate auxiliary iiame.

The burner is especially adapted for cooking and heating purposes.

In the accompanying drawings, Figure 1 is a vertical section through the axis of the burner. Fig. 2 shows a modificated form of the upper part of the same.

The grating on which the cooking vessel rests is omitted in the drawings because its form is of no importance for the present invention.

1 is a receptacle for the liquid fuel-for example, kerosene.

2 is the wick, tipping with its lower end into the containings of vessel 1 and lying bare at its upper end.

3 is the inner wick tube, passing right through the receptacle l, whereas 4 signifies the outer wick-tube.

5 is a water-basin of annular form surrounding the reservoir 1. It communicates by means of a tube 6 freely with a vertical tube 7, arranged in the center of the inner wicktube 3. The same is open at its top and serves for inserting the most essential partof the whole arrangement-viz., the evaporatortube 8, closed at its top and at its lower end by means of a disk 9 and divided by means of two other disks 10 and 1l into three unequal chambers, the middle one, 13, serving for raising steam, the upper one, 12, for superheating the same, and the lower one, 14, which is the largest of all, for collecting the steam. Nozzles 15, directed toward the upr per end of the burner, allow the steam to escape under rather strong pressure, thereby producing a strong current of air to the flame.

Pipes 17 lead from the partition-disk 10 through disk 9 into the central water-basin 7. Wicks 16 are passed rather tightly through them, ending freely in the middle chamber 13 and serving for bringing water to this-part of the apparatus.

The heat of the iiame, acting on the outer surface of tube 8, evaporates the water, and the steam thus produced passes by means of a series of holes 18 into the chamber12, where it is superheated by the hot walls. From here-it passes through a small pipe 19 into the steam-collecting chamber lll, where it is freed from any adhering water.

In the lower part of chamber 11i the tubes 17 are provided with perforations 20', through which the condensed water is sucked by the wicks 1G. It is therefore impossible that the level of the condensed water reaches the nozzles 15 and chokes them.

On the evaporating-pipe 8 is arranged a removable flame-spreader 23, which serves to transmit the heat of the flame to the tube 8 and to direct it over the whole surface of the same, especially to its lower part. fixed to the tube in different ways. For example, the disk 23 may be fixed to a tube 21, closed at the top and fitting exactly over the tube 8, ears 22, also fixed tothe same and bearing against the inner wick-tube 3, serving for centering the whole device.

In the modificated form (represented by Fig. 2) the disk 23 is fixed to a short tube 25, open at both ends and fitting exactly over the tube 8. (Joncentrically to the same is arranged a second short tube 24, provided near its upper end with a series of perforations, the tube fitting exactly into the inner wicktube 3.

In order to trim the wick, the flame-spreader 23 is simply withdrawn from the evaporator 8. When it is replaced, the upper end of the wick is ignited and burns with a white flame until the generation of steam begins under the influence of the heat developed by it.` As soon as blue streaks appear in the flame the wick 2 is screwed higher until the fiame appears perfectly blue. The wick burns only on its outer surface. Thesteam blown into It may be loo the flame has no action at all on the same, but serves only to produce the current of air necessary for the production of the yblue flame. It is evident that any other liquidfor example, alcohol, a mixture of water and alcohol, &c.-1nay be employed instead of pure water.

1. In a Bunsen burner for liquid fuel, the combination with a receptacle for the fuel, a wick, an inner and an outer wick-tube, the latter passing right through the center of the receptacle, of a water-tube, arranged in the middle of the inner wick-tube, an evaporatortube being fixed to the same, consisting of three compartments, the middle one of which may serve for generating, the upper one for superheating and the lower one for collecting the steam, nozzles for directing the steam into the inner wick-tube, thereby producing a strong upwardly-directed current of air, and

a flame-spreader for conducting the heat of the flame to the evaporator-tube, substantially as and for the purpose described.

2. In a Bunsen burner of the kind indicated, the combination with a receptacle for the fuel, a wick, an inner and an outer wicktube, a water-tube arranged in the middle of the inner wick-tube, an evaporator-tube cooperating with the water-tube and consisting of three compartments, nozzles for directing the steam from said evaporator-tube and a flame-spreader, of a central water-reser- Voir, a water wick-tube in the middle of the evaporator-tube and passing through the two lower compartment-partitions and bearing perforations near the lowest partition of the evaporator-tube, substantially as and for the purpose described.

3. In a Bunsen burner of the kind indicated the combination with a receptacle for the fuel and a water-reservoir, a wick-tube, a water-tube and an evaporator-tube coperating with said water-tube and consisting of three compartments and bearing exit steamnozzles, and a central water wick-tube bearing perforations, of a tube fitting exactly over the evaporator-tube and carrying a flamespreader, substantially as shown and described.

In testimony whereof I affix my signature in presence of two witnesses.

RICHARD ADAM.

Vitn esses:

WOLDEMAR HAUPT, HENRY HASPER.

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