A hydrogen-doped low-nitrogen combustion system and method based on ammonia decomposition
A low-nitrogen combustion and ammonia decomposition technology, applied in the combustion method, burner, combustion type, etc., can solve the problems of air pollution, narrow flammable range, low flame propagation speed, etc., to achieve less air pollution, low cost, and convenient transportation. and stored effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0052] A method for low-nitrogen combustion using a hydrogen-doped low-nitrogen combustion system based on ammonia decomposition, the specific steps are:
[0053] The ammonia decomposition gas and primary air enter the first combustion zone for combustion, and the ammonia decomposition gas is a mixture of hydrogen and ammonia;
[0054] The remaining ammonia decomposition gas and air secondary air enter the second combustion zone for combustion;
[0055] Undecomposed ammonia enters the ammonia inlet of the second combustion zone for reduction reaction, and finally obtains flue gas with lower NOx content.
[0056] The decomposition ratio of ammonia is 0.5, the volume flow ratio of primary air and secondary air ammonia decomposition gas is 4:1, the volume ratio of ammonia and hydrogen in ammonia decomposition gas is 2:3, and the excess air in the first combustion zone The coefficient is 0.8, and the excess air coefficient of the second combustion zone is 2.8.
Embodiment 2
[0058] A method for low-nitrogen combustion using a hydrogen-doped low-nitrogen combustion system based on ammonia decomposition, the specific steps are:
[0059] The ammonia decomposition gas and primary air enter the first combustion zone for combustion, and the ammonia decomposition gas is a mixture of hydrogen and ammonia;
[0060] The remaining ammonia decomposition gas and air secondary air enter the second combustion zone for combustion;
[0061] Undecomposed ammonia gas enters the ammonia gas inlet of the second combustion zone for reduction reaction, and finally flue gas is obtained.
[0062] The decomposition ratio of ammonia is 0.5, the volume flow ratio of primary air and secondary air ammonia decomposition gas is 4:1, the volume ratio of ammonia and hydrogen in ammonia decomposition gas is 2:3, and the excess air in the first combustion zone The coefficient is 0.9, and the excess air coefficient of the second combustion zone is 2.4.
Embodiment 3
[0064] A method for low-nitrogen combustion using a hydrogen-doped low-nitrogen combustion system based on ammonia decomposition, the specific steps are:
[0065] The ammonia decomposition gas and primary air enter the first combustion zone for combustion, and the ammonia decomposition gas is a mixture of hydrogen and ammonia;
[0066] The remaining ammonia decomposition gas and air secondary air enter the second combustion zone for combustion;
[0067] Undecomposed ammonia gas enters the ammonia gas inlet of the second combustion zone for reduction reaction, and finally flue gas is obtained.
[0068] The decomposition ratio of ammonia is 0.5, the volume flow ratio of primary air and secondary air ammonia decomposition gas is 4:1, the volume ratio of ammonia and hydrogen in ammonia decomposition gas is 2:3, and the excess air in the first combustion zone The factor is 1.0 and the excess air factor for the second combustion zone is 2.0.
PUM
| Property | Measurement | Unit |
|---|---|---|
| energy density | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More