Low-nitrogen type efficient incandescent light

Abstract

The invention discloses a low-nitrogen type efficient incandescent light which comprises a gas pipe, a gas nozzle and a mixed gas pipe. Multiple self-suction type air inlets are evenly distributed in the circumferential wall, located around the gas nozzle, of the lower portion of the mixed gas pipe, the upper portion of the mixed gas pipe is connected with an expansion pressurizing chamber, a fire gathering disc with the section in a T shape is arranged at the top of the expansion pressurizing chamber, a limited space internal combustion chamber is arranged on the fire gathering disc, and an annular flame stabilizing disc is arranged on the end face of a fire spraying opening of the limited space internal combustion chamber. The fire gathering disc with the section in the T shape comprises a disc body and a central fire gathering pipe, a fire gathering hole for flame stabilizing is formed in the middle of the disc body, multiple anti-backfire spray holes are distributed in the position, around the fire gathering hole, of the disc body, a fire gathering hole plate is arranged at the bottom end of the central fire gathering pipe, and multiple anti-backfire spray holes are distributed in the fire gathering hole plate. Combustion-supporting air is injected by gas at a high speed to be mixed evenly in the mixed gas pipe, after the air reaches the expansion pressurizing chamber to achieve expansion pressurizing, the air is uniformly sprayed out through the fire gathering hole and is stably combusted after being ignited, and the central fire gathering hole and the annular flame stabilizing disc play a role in flame stabilizing.

Description

technical field [0001] The invention relates to an ever-burning lamp, in particular to a low-nitrogen high-efficiency ever-burning lamp suitable for an ignition spray gun. Background technique [0002] As an important component of the ignition system, the permanent light is directly related to the safety of whether the ignition gas can be ignited in time. It is one of the key parts of the ignition system and is widely used in various ignition systems. Conventional long-burning lights, because of the pursuit of flame rigidity, often form a relatively concentrated torch that is sprayed out at high speed, and the flame temperature is relatively high, which is easy to generate a large amount of NOx. NOx emission value is generally 150mg / Nm 3 About, higher than the current environmental protection standards. Some heating furnaces in the petrochemical and oil refining industry do not need to provide external heat during normal operation, and often only light a few permanent lamp...

AI Technical Summary

Problems solved by technology

In this case, the NOx emission of the heating furnace has been exceeding the standard, and it faces environmental protection penalties.

In addition, because the temperature in the heating furnace is relatively low under this working condition, usually below 600°C, which is lower than the ignition temperature of CO, resulting in incomplete combustion of CO, and the emission of CO exceeds the standard. It is necessary to solve the problem of excessive NOx and CO at the same time

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