Full-automatic security pilot burner for combustor

Abstract

The invention belongs to combustor safety assurance devices, more particularly relates to a full automatic safety pilot burner used in combustors. The pilot burner is characterized in that an oblique channel is arranged inside a three-way connecting block and connected with an injection cylinder, through holes are arranged on the lateral surface of the injection cylinder, and a gas nozzle is connected under the through holes of the injection cylinder; a wind adjusting cylinder is sheathed outside the lower part of the injection cylinder, gaps are arranged between the wind adjusting cylinder and the injection cylinder and communicated with the through holes, and a wind adjusting nut is arranged under the wind adjusting cylinder on the gas nozzle. A nozzle injector leads gas overflowing from the through holes to be limited in the gaps between the wind adjusting cylinder and the injection cylinder and quickly led back by negative pressure inside the injection cylinder, thus avoiding gas leakage and improving safety. An ionization flame checking electrode is adopted for avoiding that the unexpected extinguishing of the pilot burner is hard to be found in time and improving safety. The wind adjusting nut can be used for controlling the mixture ratio between combustion air and gas and improving applicability.

Description

technical field [0001] The invention belongs to a safety guarantee device for a burner, in particular to a fully automatic safety permanent light for a burner. Background technique [0002] The permanent light is widely used in the burner of the heating furnace, and it is one of the important accessories to ensure the safety of the heating furnace equipment and maintain the stable and continuous combustion of the burner. Eternal lamps are mostly used for heating furnace burners, and most of the heating furnaces are used in the petroleum and petrochemical industries, which have strict requirements for fire protection and explosion protection, which have high requirements for the safety and reliability of eternal lamps. [0003] Usually, most of the permanent lamps supporting the burner are manually operated, and manual electric ignition or torches are often used for ignition. During the ignition process, there are potential safety hazards in the operation of open flames outsi...

AI Technical Summary

Problems solved by technology

[0003] Usually, most of the permanent lamps supporting the burner are manually operated, and manual electric ignition or torches are often used for ignition. During the ignition process, there are potential safety hazards in the operation of open flames outside the heating furnace equipment. In recent years, there are also ignition devices matching the permanent lamps to avoid open flame operation

[0004] Most of the existing pilot lamps use gas to inject combustion-supporting air. The general structure is that the gas nozzle cooperates with the air inlet. The flame burns stably. In this way, at the place where the gas is injected into the air, due to the large external space of the injection inlet, the overflowed gas spreads rapidly, and there is a possibility of gas leakage. Especially in windy weather, gas leakage is more common, resulting in poor working conditions. There are security risks

[0005] The existing permanent lights rely on manual observation during use, and the omissions of manual observation make it difficult to find out in time if the permanent lights are accidentally extinguished

As the safety guarantee equipment of the burner, the permanent light is used as the safety guarantee equipment of the burner. If the permanent light is extinguished during the operation of the open flame heating furnace and cannot be dealt with in time, for the industrial heating furnace equipment that works continuously for a long time, serious accidents such as deflagration or even explosion of the heating furnace may occur

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