{"id":860,"date":"2018-10-17T02:46:09","date_gmt":"2018-10-17T02:46:09","guid":{"rendered":"http:\/\/www.charcoal-machines.com\/?p=860"},"modified":"2019-05-27T08:46:02","modified_gmt":"2019-05-27T08:46:02","slug":"temperature-control-is-required-during-charcoal-carbonization","status":"publish","type":"post","link":"https:\/\/www.charcoal-machines.com\/fr\/temperature-control-is-required-during-charcoal-carbonization.html","title":{"rendered":"Le contr\u00f4le de la temp\u00e9rature est n\u00e9cessaire lors de la carbonisation du charbon."},"content":{"rendered":"

1\u00e8re \u00e9tape de s\u00e9chage. La temp\u00e9rature \u00e0 cette \u00e9tape est de 120 \u00e0 150 degr\u00e9s Celsius, et le taux de pyrolyse est tr\u00e8s lent. La raison principale est que l'humidit\u00e9 dans le bois s'\u00e9vapore lorsqu'elle d\u00e9pend de la chaleur fournie de l'ext\u00e9rieur, et la composition chimique du mat\u00e9riau bois change \u00e0 peine.<\/p>

2 \u00e9tape de pr\u00e9-carbonisation. La temp\u00e9rature \u00e0 cette \u00e9tape est de 150 \u00e0 275 degr\u00e9s Celsius, la r\u00e9action de pyrolyse des mat\u00e9riaux en bois est \u00e9vidente, et la composition chimique des mat\u00e9riaux en bois commence \u00e0 changer. Les composants de combinaison instables, tels que les semi-fibres, se d\u00e9composent pour former du dioxyde de carbone, du monoxyde de carbone et une petite quantit\u00e9 d'acide ac\u00e9tique.<\/p>

\"four<\/div>
\"four<\/div> <\/div>

3\u00e8me \u00e9tape de carbonisation. Cette \u00e9tape de temp\u00e9rature est de 275 \u00e0 400 degr\u00e9s Celsius. \u00c0 ce stade, le mat\u00e9riau en bois se d\u00e9compose thermiquement rapidement, g\u00e9n\u00e9rant une grande quantit\u00e9 de produits de d\u00e9composition. Le produit liquide produit contient une grande quantit\u00e9 d'acide ac\u00e9tique, d'alcool et d'huile d'hibiscus, et la teneur en eau du gaz g\u00e9n\u00e9r\u00e9 augmente progressivement. La r\u00e9duction, tandis que le m\u00e9thane, a diminu\u00e9, et le gaz devient progressivement de plus en plus. Cette \u00e9tape lib\u00e8re une grande quantit\u00e9 de chaleur de r\u00e9action, elle est donc \u00e9galement appel\u00e9e \u00e9tape de r\u00e9action exothermique.<\/p>

4\u00e8me \u00e9tape de calcination. La temp\u00e9rature monte \u00e0 450-500 degr\u00e9s Celsius. \u00c0 ce stade, le charbon est calcin\u00e9 par la chaleur fournie de l'ext\u00e9rieur, et la mati\u00e8re volatile restante dans le charbon est \u00e9vacu\u00e9e pour augmenter la teneur en carbone fixe du charbon. \u00c0 ce moment-l\u00e0, le produit liquide se forme rarement.<\/p>

5\u00e8me \u00e9tape de carbonatation. La temp\u00e9rature \u00e0 ce stade est de 500 \u00e0 1200 degr\u00e9s Celsius, et c'est la cl\u00e9 de cette \u00e9tape.<\/p>","protected":false},"excerpt":{"rendered":"

1\u00e8re \u00e9tape de s\u00e9chage. La temp\u00e9rature \u00e0 cette \u00e9tape est de 120 \u00e0 150 degr\u00e9s Celsius, et le taux de pyrolyse est tr\u00e8s lent. La raison principale est que l'humidit\u00e9 du bois s'\u00e9vapore lorsqu'elle d\u00e9pend de la chaleur fournie de l'ext\u00e9rieur, et la composition chimique du mat\u00e9riau bois change \u00e0 peine. 2\u00e8me \u00e9tape de pr\u00e9-carbonisation. La temp\u00e9rature \u00e0 cette \u00e9tape...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[2],"tags":[9],"class_list":["post-860","post","type-post","status-publish","format-standard","hentry","category-events","tag-carbonization-furnace"],"taxonomy_info":{"category":[{"value":2,"label":"News"}],"post_tag":[{"value":9,"label":"carbonization furnace"}]},"featured_image_src_large":false,"author_info":{"display_name":"Lolita","author_link":"https:\/\/www.charcoal-machines.com\/fr\/author\/admin"},"comment_info":0,"category_info":[{"term_id":2,"name":"News","slug":"events","term_group":0,"term_taxonomy_id":2,"taxonomy":"category","description":"","parent":0,"count":207,"filter":"raw","cat_ID":2,"category_count":207,"category_description":"","cat_name":"News","category_nicename":"events","category_parent":0}],"tag_info":[{"term_id":9,"name":"carbonization furnace","slug":"carbonization-furnace","term_group":0,"term_taxonomy_id":9,"taxonomy":"post_tag","description":"","parent":0,"count":23,"filter":"raw"}],"_links":{"self":[{"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/posts\/860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/comments?post=860"}],"version-history":[{"count":0,"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/posts\/860\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/media?parent=860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/categories?post=860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.charcoal-machines.com\/fr\/wp-json\/wp\/v2\/tags?post=860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}