SU1335776A2 - Burner - Google Patents

Description

The invention relates to devices for the combustion of gas in a stream filled with inert components of process gases, in particular for Heating process gases of mercury furnaces in a sanitary cleaning system, and is an improvement of the invention according to the authors. №-635359

The purpose of the invention is to increase the quality of preheating of process-ballasted process gases by using the oxygen contained in them.

The drawing shows the proposed burner.

The burner includes a housing 1 with an air nozzle 2, a peripheral gas manifold 3 and a cylindrical shell 4 placed inside the housing 1 with an annular gap 5. The flame stabilizer 6 is located in the cavity of the shell 4, having the ability to move along the axis of the burner with a rod 7. The stabilizer 6 is made in the form of a hollow cylindrical sleeve. The burner is mounted in the flue 8. The outlet section of the shell 4 has a semi-cylindrical section in the upper part. The output portion of the housing 1 forms a combustion chamber 9. The housing 1 is enclosed in the shell 10 with an annular gap 10 and an annular gas manifold 12. The output end of the shell 10 extends beyond the cut of the housing 1, forming the second combustion chamber 13

The burner works as follows.

Editor O. Yurkovetska

Compiled by M. Zubkov

Tehred M.DndykKorrektor A.Zimokosov

Order 4037/33 Circulation 494Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, st. Design, 4.

The air entering through the inlet pipe 2 is mixed with the gas that is supplied from manifold 3. The gas-air mixture is supplied to combustion chamber 9, where it is burned, and it is ignited in two sections due to a semi-cylindrical section of housing 1. The change in distance between zones of ignition of the combustible mixture with the help of stabilizer 6 makes it possible to eliminate the vibration modes of combustion.

From the combustion chamber 9, the products of combustion enter the combustion chamber 13, where the second stream of the gas-air mixture formed from process gases containing 12-16% by volume of oxygen and the fuel gas introduced into the stream from the collector 12 is fed into the peripheral annular flow. The combusted fuel mixture is heated by the combustion products from the combustion chamber 9 and burns in chamber 13, after which the combustible gases are mixed with. flow of process gases, heating them to the required temperature before the adsorbent of mercury vapor (up to 110 C).

As a result of the use of a part of the ballasted process gases as an oxidizer for burning the fuel gas, their dilution with gases is reduced, the emission of mercury vapors into the atmosphere is reduced, the mass of the captured valuable product (mercury) increases.

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Claims (1)

BURNER No. 635359, characterized in that, in order to improve the quality of heating ballasted process gases by using the oxygen contained in them, a cylindrical shell equipped with an annular gas manifold is additionally installed around the casing with an annular gap. 1,335,776 A 2