Carbonization txheej txheem ntawm Kab rov tav Carbonization rauv

Carbonization txheej txheem ntawm kab rov tav carbonization rauv

Cov txheej txheem carbonization ntawm qhov cub carbonization feem ntau tuaj yeem muab faib ua peb ntu hauv qab no:

1. Qhuav theem

Txij thaum pib ntawm qhov hluav taws kub, kom txog rau thaum lub qhov cub kub kub nce mus txog 160 ° C, cov dej noo uas muaj nyob rau hauv lub tshuab qws yog evaporated feem ntau los ntawm cov cua sov sab nraud thiab cov cua sov uas tsim los ntawm nws tus kheej combustion. Cov tshuaj muaj pes tsawg leeg ntawm cov neeg kho tshuab rods tsis tau hloov.

Qhov thib ob, thawj theem ntawm carbonization.

Cov theem no feem ntau yog nyob ntawm qhov combustion ntawm tus pas nrig nws tus kheej los tsim kom muaj cua sov, kom lub qhov cub kub kub nce mus txog 160 thiab 280 degree. Nyob rau lub sijhawm no, cov khoom siv ntoo tau dhau los ua cov tshuaj tiv thaiv thermal decomposition, thiab nws cov muaj pes tsawg leeg pib hloov. Ntawm lawv, cov khoom tsis ruaj khov, xws li hemicellulose, yog decomposed los tsim CO2, CO thiab me me ntawm acetic acid.

3. Kev ua tiav carbonization theem

Qhov kub ntawm theem no yog 300 txog 650 degree.

Thaum lub sij hawm no, cov khoom siv ntoo raug thermal decomposition sai, thiab ntau cov khoom ua kua xws li acetic acid, methanol thiab ntoo tar raug tsim. Tsis tas li ntawd, cov roj hluav taws xob xws li methane thiab ethylene raug tsim tawm, thiab cov roj hluav taws xob hluav taws xob no tau hlawv hauv qhov cub. Thermal decomposition thiab gas combustion tsim ib tug loj npaum li cas ntawm tshav kub, uas ua rau kom lub cub tawg kub, thiab cov khoom ntoo yog qhuav-distilled rau hauv charcoal ntawm kub.