SU314973A1 - Burner device - Google Patents

Description

The invention relates to burners and can be used in boiler furnaces and heating furnaces.

Burners are known, which contain a duct with an airflow swirler and coaxially mounted pipes — an outer one for feeding low-calorie gas and a central one for feeding hydrocarbon-containing gas. However, such burner devices do not provide sufficient torch luminosity.

The purpose of the invention is to eliminate this disadvantage.

For this, the central tube is made with a gunned end of refractory mass, radial and central holes for gas outlet, and between the central and outer tubes for gas supply is a coaxially mounted air line, made with a gunned end of refractory mass.

To intensify the mixture formation, swirlers are installed in the outlet of the pipes for the supply of low-calorie gas and air.

The drawing shows a longitudinal section of the burner. The burner contains a box / with reversing swirler 2, a pipe 3 for feeding low-calorie gas with a swirler 4, a pipe 5 for feeding

air with a swirler 6 and a pipe 7 for supplying hydrocarbon-containing gases. The ends of the pipes 5 and 7 are gunned by a refractory mass of 8.

The burner device operates as follows. The pipe 5 supplies air to the combustion of the gas entering through the radial holes 9 of the pipe 7. The combustion products are mixed with the main stream of hydrocarbon gas fed axially through the central holes 10 and heated to the temperature of thermal cracking. Since there is a lack of free oxygen in this zone, there is a good yield of black carbon. A low calorie gas is fed through pipe 3, which is twisted in a swirler 4. The thermal decomposition products of the hydrocarbon gas are fed into a volume of swirled caloric gas. A mixture of them enters the volume of the air flow, which, when passing through the duct /, twists in the swirler 2. Due to the fact that this mixture already contains a significant amount of black carbon, it burns out in a bright flame.

to increase the efficiency of heat transfer in steam boilers and furnaces.

Subject invention

Claims (2)

1. A burner comprising a duct with an airflow swirler and coaxially mounted external pipes for supplying low-calorie gas and a central one for supplying hydrocarbon-containing gas, characterized in that, in order to increase the luminosity of the flame, the central pipe is made with a gunned end, radial and central holes for gas outlet, and between the central and outer pipes for gas supply a pipe for air supply co-axially mounted, made with shotcrete refractory mass end. 2. An apparatus according to claim 1, characterized in that, in order to intensify the mixture formation, swirlers are installed in the outlet part of the pipes for supplying low-calorie gas and air. G / T -J11 pippchp d and 3