Comprehensive control system and method for carbon monoxide emission of explosion-proof diesel engine

By designing a comprehensive carbon monoxide emission control system for explosion-proof diesel engines, and using sensors and control devices to detect and control fuel injection parameters, the problem of carbon monoxide exceeding the standard in the exhaust gas of explosion-proof diesel engines is solved, and the work safety is improved.

CN119754951AActive Publication Date: 2025-04-04成都天地直方发动机有限公司 +2
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Patent Information

Application Number
CN202411937018.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-04-04
Estimated Expiration
2044-12-26

AI Technical Summary

Technical Problem

The carbon monoxide discharge in the exhaust gas emissions of existing explosion-proof diesel engines are likely to exceed the standard during the work of coal mine tunnels, affecting the safety of staff in coal mine tunnels.

Method used

An integrated carbon monoxide emission control system for explosion-proof diesel engines is designed, including an oxidation catalytic converter, a carbon monoxide sensor, a fuel injection control device, an electric supercharger and a fuel injection solenoid valve. The carbon monoxide sensor detects the carbon monoxide content in the exhaust gas, and controls the injection advance angle and fuel injection volume based on the detection data to reduce the carbon monoxide content in the exhaust gas.

Benefits of technology

It effectively reduces the carbon monoxide content in the exhaust gas of explosion-proof diesel engines, ensures that it is within a qualified emission value, and improves the working safety in coal mine tunnels.

✦ Generated by Eureka AI based on patent content.
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Abstract

The invention relates to a comprehensive control system and method for carbon monoxide emission of an explosion-proof diesel engine, and the system is characterized in that an oxidation catalytic converter is used for carrying out catalytic oxidation treatment on tail gas exhausted by the explosion-proof diesel engine and outputting purified tail gas; the carbon monoxide sensor is used for detecting the content of carbon monoxide in purified tail gas and outputting carbon monoxide content data; the fuel injection control device generates a carbon monoxide control signal according to the carbon monoxide content data; generating a pressurization control signal according to the rotating speed and the fuel injection quantity of the explosion-proof diesel engine; the electric supercharger supercharges the air filtered by the air filter under the control of the supercharging control signal; the fuel injection solenoid valve controls the fuel injection advance angle and the fuel injection quantity of the explosion-proof diesel engine according to the carbon monoxide control signal; the content of carbon monoxide in the tail gas is collected through the carbon monoxide sensor, the fuel injection advance angle and the fuel injection quantity are controlled according to the content of carbon monoxide, the content of carbon monoxide in the tail gas is reduced, and it is guaranteed that carbon monoxide in the tail gas is within a qualified emission value.
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