DE1454407B2 - BOILER - Google Patents

Description

Pull off the water jacket to the flue gas nozzle 12. In the embodiment shown, the combustion chamber 7 is designed in the form of a jacket, which consists of the walls 7 α and 7 b . This jacket is also traversed by water.

In the case of the FIG. 3 and 4, a further, concurrent water jacket 7 "is provided between the outer wall of the combustion chamber 7 and the inner wall 6 of the outer water jacket, which is delimited by the walls 7 a" and 7 b " . This second water jacket 7" is at a distance arranged by the outer wall of the combustion chamber 7 and the inner wall 6 of the outer water jacket, so that a heating gas flue is created on both sides of the walls 7 a "and Ib". As can be seen from FIG. 4, the second water jacket 7 ″ is arranged eccentrically both with respect to the outer water jacket 4, 6 and the combustion chamber 7, the eccentricity extending from the center of the outer jacket 1 essentially in one direction .

The shape of the heating gas flue caused by the eccentricity of the individual parts arranged one inside the other according to FIG. 1 and 2 or 3 and 4 leads to the

ίο according to the invention sought prevention of Development of pronounced resonance vibrations.

Just as the flow of the water circuits is indicated by arrows is shown in the figures the flow of hot gases in the hot gas flues is indicated by arrows.

1 sheet of drawings

Claims (2)

1 2 specific vibrations, rather a patent claim arises: vibration band that does not allow any resonance vibrations with impermissibly high amplitudes. 1. Boiler for burning liquid combustion If, for example, the combustion chamber axis is higher substances in a horizontal, from a water 5 as the axis of the bell-shaped water jacket The combustion chamber formed by the jacket, from which it is arranged, arises because of the different axially inserted burner opposite, temperatures of the heating gases and from above conically tapered, open end the combustion- seen below different cross-sectional areas Exiting gases through an axially with an uneven flow through the heating gas level Bell-shaped puffs of water put over them. Hot gas parts begin to form the ring-shaped jacket to flow through between this and the focal cross-section above, cool because of The heating gas flue formed in the chamber is diverted from the narrower cross-section and flow faster the, characterized in that the down. Colder gases enter the ringför combustion chamber below (7) to the bell-shaped water-like mantle, cool because of the larger one jacket (4, 6) is arranged eccentrically. 15 cross-section more slowly and thus flow di- 2. Boiler according to claim 1, characterized straight to the rear. The repetition of this indicates that when the process in the second and third pass is arranged, the combustion chamber (7) surrounding the combustion chamber (7) different flow lengths in the boiler and sermantels (7 ") in the heating gas pass the combustion chamber as a result of vibration cancellation due to interference (7) and of the water jackets (T ') both to each other, especially in the high frequency range. Due to the eccentric position of the combustion chamber and water jacket (4, 6) in relation to the bell-shaped water jacket, stabilizing transverse vibrations result according to the principle of Helmholz's resonator. It has been shown that with the invention 25 If boilers were to stabilize pulsating flames in a concentric ring-shaped arrangement, -: soon the eccentricity of the combustion chamber and what sermantel reaches a certain level. Exemplary embodiments 30 of the invention are explained in more detail in the drawings. It shows F i g. 1 an axial section of a first embodiment The invention relates to a boiler for the shape of the boiler, fire liquid fuels in a horizontal, F i g. FIG. 2 shows a section along the line H-II from FIG combustion chamber formed by a water jacket, Fig. 1, from the burner opposite the axially inserted burner. 3 shows an axial section of a second filling line, conically tapered open end the shape of the boiler, Combustion gases escape through an axially with Ab- F i g. 4 shows a section along the line IV-IV from FIG stood put over, bell-shaped water jacket Fig. 3. in the between this and the combustion chamber formed in the boiler shown in Figs the heating gas flue must be diverted. 40 is in one resting on the supports 2 and 3 Such a boiler, in which the combustion chamber outer jacket 1 of cylindrical cross-section is conical and the water jacket is concentrically arranged, the wall 4 of a water jacket is already known ("Sanitäre Technik", 1959, p. 400, net, one end face 8 of which has a burner 9 on picture 4). It has been shown, however, that with such points, while the other end face is closed. Heating boilers resonance vibrations in the combustion chamber can occur concentrically to the wall 4, which not only cause an unpleasant noise and a noise that is unpleasant to the outer jacket 1, but also to a conically widening wall 6, which disturbances, for example the suspension of the burning water jacket and the one opposite the chamber, can lead. End face 8 is closed by a wall 6 α , the The object on which the invention is based is bulged 5 ° towards the end face 8.
is therefore a boiler of the initially The combustion chamber 7, into which the burner 9 opens, to create the type mentioned, in which the combustion tapers conically starting from the end face 8 vibrations are largely stabilized. and has guide inlet at its mouth end This task is carried out with the boiler of the devices 10 for the combustion gases. The Brenngangs described type solved in that the 55 chamber 7 is from the wall 6 bell-shaped around the combustion chamber to the bell-shaped water jacket. The combustion chamber 7 is eccentric too is arranged eccentrically. which is bell-shaped over the slipped wall 6 With the arrangement of the combustion chamber rearranged, but between the wall 6 of the additional water jacket in the heating gas flue water jacket and the combustion chamber 7 on the whole, the combustion chamber and the circumference are expediently free space and the mün water jacket both to each other and Arranged eccentrically to the end of the combustion chamber 7 on the glocation side opposite the ken-shaped water jacket. with the bulge provided wall 6 α in the Since the combustion vibrations are not arranged in a limit, so that they come out of the combustion can be, the formation of escaping hot gases is caused by the between the coined resonance vibrations in the inven- 65 eccentrically arranged walls of the proper boiler by detuning the combustion chamber 7 and the water jacket 4, 6, This detuning flows off through the eccentric heating gas flue and through the room tric arrangement is achieved. There are no between the outer shell and the wall4 of the