SU1483171A1 - Burner - Google Patents

Abstract

The invention relates to the field of burning liquid fuel, in particular to the design of oil burners, and allows to increase the economy, reduce metal consumption and improve the cooling efficiency of the burner. The burner contains an air supply housing 1, a fuel oil nozzle 2 mounted coaxially in the housing 1 with the formation of an annular air supply channel 3. The nozzle 2 is equipped with a divider 4 of air flow in the form of a cylinder 5, which passes into the diffuser 6 with tangential holes. The divider 4 is installed on the nozzle 2 with a gap of 8, in which the choke is installed 9. Air is fed into the burner through the nozzle 10. The annular gap 11 is formed by the walls of the housing 1 and the diffuser 6. 2 Il.

Description

The invention relates to the combustion of liquid fuels, in particular to fuel injectors, and can be used in the building materials industry in rotary kilns for burning clinker, lime, expanded clay, refractories and other thermal units.

The purpose of the invention is to increase efficiency by increasing the efficiency of the cooling of the burner.

Figure 1 schematically presents the proposed burner, a longitudinal section; figure 2 - section aa in figure 1.

The burner contains an air supply housing 1, a fuel oil nozzle 2 mounted coaxially in the housing 1 / to form an annular air supply channel 3, the air flow divider 4 is installed on the nozzle 2 in the form of a cylinder 5, passing into the diffuser 6 with holes 7 made tangential. The divider 4 is installed on the nozzle 2 with an annular gap 8, in which the throttle 9 is installed. The burner also contains an air inlet 10. The diffuser 6 forms with the housing 1 at the exit of the burner annular gap 11.

The burner works as follows.

Primary air through the pipe

ten

15

20

25

Genial orifices 7 in the diffuser part 6 and an annular gap in the cylindrical part 5 provide for the aiming of the air flow through the axial flow. an annular gap 8, and a radial flow passing through the openings 7. Changes in the ratio of the axial air flow with the help of throttles 9 and radial air 7 which follow, allows changing the length and shape of the Laquel in a wide range, stabilizing it directly. burners by the flow of air passing through the annular gap 11 at high speed.

Since the division of air into axial and radial flows occurs only at the exit from the burner, thus all air is involved in the cooling of the burner body. In addition, such implementation and installation of the divider 4 helps to reduce the metal burner.

Claims (1)

Invention Formula A burner containing an air-supporting 30 casing and a fuel oil nozzle mounted coaxially in the casing with the formation of an annular air supply channel, and the air flow divider at the nozzle is installed 10 enters channel 3 and is directed 35 in the form of a cylinder, passing into diffusion to the output part of the burner, in which air divider 4 is installed. A small part of the air, designed to stabilize the shape of the torch directly at the exit of the burner, 40 burner, the divider is set to a hole with holes in its generatrix, characterized in that, in order to increase efficiency by increasing the cooling efficiency 0 0 five Genial orifices 7 in the diffuser part 6 and an annular gap in the cylindrical part 5 provide for the aiming of the air flow through the axial flow. an annular gap 8, and a radial flow passing through the openings 7. Changing the ratio of axial air flow with the help of throttles 9 and radial air 7 that will follow, allows changing the length and shape of the Laquel over a wide range, stabilizing it directly. air flow through the annular gap 11 at high speed. Since the division of air into axial and radial flows occurs only at the exit from the burner, thus all air is involved in the cooling of the burner body. In addition, such implementation and installation of the divider 4 helps to reduce the metal burner. Invention Formula The burner containing the air-blowing housing and the fuel oil nozzle installed coaxially in the housing with the formation of an annular air supply channel, the air flow divider installed in the nozzle the form of a cylinder passing into diffusers, the divider is mounted on a hole with holes in its generatrix, characterized in that, in order to increase efficiency by increasing the cooling efficiency enters the annular gap 11, from which it expires at a speed of about 80-100 m / s. Installation in the output of the burner divider 4 with tannsunke with an annular gap, which additionally has a choke, and the holes in the diffuser are made tangential. Aa 2