Safe energy-saving combustion control system and method applied to torch system

Abstract

The invention discloses a safe energy-saving combustion control system applied to a torch system. The safe energy-saving combustion control system comprises a diffuse gas detecting system for detecting whether the torch system emits diffuse gas or not and detecting concentration of diffuse gas, an ever-burning lamp fuel gas control system for lighting an ever-burning lamp after detecting a diffuse gas signal, a nitrogen gas blowing-sweeping control system for carrying out blowing-sweeping after detecting the diffuse gas signal and a computing control unit. The invention further discloses a control method which comprises the following steps of: controlling an igniter to start ignition after the computing control unit receives a diffuse gas emission signal, starting a flame-transfer fuel gas cut-off valve, and lighting the ever-burning lamp; and opening a nitrogen gas quick cut-off valve, switching off an ever-lighting lamp unit in a delayed manner when the computing control unit receives a signal that diffuse signal emission is ended, and closing a nitrogen gas quick cut-off valve. In case of ensuring safe emission of the torch system, fuel energy is saved to the greatest extent for users, operation cost is reduced, resource waste is reduced, and the service life of the safe energy-saving combustion control system is prolonged.

Description

technical field [0001] The invention relates to a combustion control process of a torch system, in particular to a safe and energy-saving combustion control system and method applied to the torch system. Background technique [0002] Coal chemical equipment, petrochemical equipment and oil refining equipment will inevitably discharge a considerable amount of flammable and explosive substances or toxic and harmful gases during normal production and accidents. In order to prevent fire and explosion accidents and avoid exhaust gas pollution, ensure equipment As well as personal safety, coal chemical, petrochemical, oil refining and other chemical plants are required to be equipped with torch systems to deal with these flammable, explosive or toxic and harmful gases discharged. [0003] The existing operating mode of the flare system is continuous burning of permanent lights, continuous purging of nitrogen purge, and continuous combustion of acid gas / ammonia gas / low calorific va...

AI Technical Summary

Problems solved by technology

The existing blending combustion mode is the constant combustion mode, which has poor self-adaptability to exhaust gas volume, serious waste of fuel gas with high calorific value, and combustion stability and safety cannot be guaranteed when the gas volume is small.

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