SU11271A1 - Fire Tube Steam Boiler - Google Patents

Description

In order to improve circulation conditions

heat transfer steam boilers offered with one or several flame tubes freely

one upright

the mine forming the chimneys which run up (at the top by an annular bore channel, and is equipped with a circulation pipe located inside the boiler and open at both ends. To increase the heating surface of the boiler, without the area occupied by it, it can be equipped with additional heat pipes, some of which are inside the flame tube,

the rest are in an ascending chimney.

In FIG. 1 depicts a vertical section of a boiler with one flame euba; FIG. 2 shows it from above, with a partial cut; FIG. 3-5, respectively, on top of the boiler with two, three and four flame tubes; FIG. For-5a corresponding fig. 3-5 transverse notches; FIG. 6 is a vertical section of the modified boiler; FIG. 7-view it

from above, with a partial cut; FIG. 8 is a vertical section of the boiler in another form; FIG. 9 is a view from above, with a partial cut.

The boiler is freely suspended in a vertical position in the shaft 10, which forms the second chimney, which opens at the top into the annular channel 7 with a hog outlet 8 and can be used to install a superheater 5, 6 in it (Fig. 1, 2). Inside the boiler are located: the circulation pipe 3 and the mounting end of the drain pipe 4 are open at both ends. The heat pipe 1 is located eccentrically and is equipped with a nozzle 9, which is lowered below the water level in the boiler. In the upper bottom of the boiler is located hatch 2.

The boiler can also be made with several flame tubes, as shown in FIG. 3-5 and Over-5th. FIG. 6-7, a modified boiler is shown in which boiling tubes 11 and 12 are used, of which tubes 11 are located inside the fiery heat source 1, and tubes 12 connected to the boiler body are placed in an ascending flue interspersed with pipes of the superheater 5, 6.

If the drum of the described boiler has a small diameter, the flame tube is detachable, as shown in FIG. 8-9. In this case, the circulation pipe 3 is replaced by several pipes 16, or it can be placed outside the lining of the shaft or placed in a chimney.

- Subject of the patent.

1. Fire-tube steam boiler with one or several flue pipes, characterized in that it is freely and vertically suspended in a shaft forming chimneys,

at the top of the annular channel with outflow boron 8 (Fig. 1-2), and supplied in the flame tubes with nozzles that are lowered below the water level in the boiler, circulating, located inside the boiler at both ends of the tube 3 and at the stationary Also, the inside of the boiler, the end of the downpipe 4, with the second ascending chimney, can be used to place a superheater in Hei.

2. Modification of the boiler specified in claim 5, characterized by the use of boiler tubes 11 located in the boiler boiler 1 pipe and boiler tubes 12 connected to the boiler body and located in the ascending chimney (Fig. B-7).

fip5. FIG. five.

fsh: 1, och. /

FIG. eight.

FIG. five.