Tsarin harbe-harbe na tubalin yumbu samar da tubali mai banƙyama masana’antun

Bushewa matsakaicin zafin jiki na shigarwa: 150 ~ 200C (bulo na yau da kullun da bulo na yau da kullun)

120 ~ 160 ℃ (Bulo mai siffa ta musamman)

Yawan zafin jiki: 70 ~ 80 ℃

Ragowar danshi na bulo bai wuce 2% ba.

Lokacin bushewa: 16 ~ 24 hours

Ana iya raba harbe-harbe na tubalin yumbu zuwa matakai hudu

1. Zazzabi na al’ada zuwa digiri 200: A wannan lokaci, zafin jiki bai kamata ya yi sauri ba don hana jiki daga fashewa. Lokacin harbe-harbe a cikin ramin kiln, zazzabi na farkon wuraren ajiye motoci 4 bai kamata ya wuce 200 ℃

2, 200 ~ 900C: A wannan mataki, ya kamata a ƙara yawan zafin jiki don sauƙaƙe aikin sinadaran kwayoyin halitta da ƙazanta a cikin kore.

A cikin kewayon zafin jiki na 600 ~ 900 ℃, ya kamata a kiyaye yanayi mai ƙarfi mai ƙarfi a cikin kiln don hana abin da ya faru na sharar “black core”.

3, 900 ℃ zuwa mafi girman harbe-harbe zafin jiki: A cikin high zafin jiki mataki, da yawan zafin jiki ya kamata tashi steadily, da kuma ci gaba da kula da wani oxidizing yanayi, sabõda haka, m jiki ne mai tsanani a ko’ina, kuma a lokaci guda, shi kuma iya hana tubali daga fashewa. Saboda ɓacin rai yana da ƙarfi fiye da 1100c, ƙimar raguwa ya kai 5%, don haka yana da matukar muhimmanci a kula da shakatawa na yanayin zafin jiki da kuma kawar da damuwa na ciki.

Matsakaicin juriya na wuta na tubalin yumbu gabaɗaya yana da 100-150C sama da zafin jiki. Idan kewayon zafin jiki na yumbu mai laushi ya kasance kunkuntar, zazzabi mai jujjuyawa ya kamata ya zama ƙasa, zai fi dacewa a kusa da 50-100C. Matsakaicin zafin jiki na tubalin yumbu ya kamata a tabbatar da cewa yumbun da aka haɗe ya yi laushi sosai, kuma saman Layer na foda mai kyau da ƙananan barbashi na clinker yana da cikakkiyar amsa, ta yadda za a iya haɗa ƙwayoyin clinker, ta yadda samfurin zai iya samun daidai. ƙarfi da kwanciyar hankali girma. Matsakaicin zafin jiki gabaɗaya shine 1250 ~ 1350c. Lokacin da abun ciki na al2o3 ya yi girma, ya kamata a ƙara yawan zafin jiki na samfurin yadda ya kamata, game da 1350 ~ 1380c, kuma lokacin dumama gabaɗaya shine 2-10h don tabbatar da isasshen amsawa a cikin samfurin da daidaiton ingancin samfurin.

4 Cooling mataki: Dangane da lattice canji na yumbu tubali a cikin sanyaya sashe, da sanyaya kudi ya kamata a rage da sauri lokacin da yawan zafin jiki ne sama da 800 ~ 1000 ℃, da kuma sanyaya kudi ya kamata a rage a kasa 800 ℃. A gaskiya ma, a cikin ainihin samarwa, ainihin yanayin sanyaya da aka yi amfani da shi ba zai haifar da hadarin sanyin samfurin ba.