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One-time roasting method for reducing cracks of isostatic pressing graphite
The invention discloses a one-time roasting method for reducing cracks of isostatic pressing graphite, and belongs to the technical field of graphite production. Comprising the steps of S1, in-furnace preparation; s2, barreling is conducted, specifically, a layer of yellow sand is laid on the bottom wall of a steel barrel, then an annular partition plate is loaded in the center of the steel barrel, a layer of metallurgical coke is laid in the annular partition plate, and then a product is coaxially loaded into the annular partition plate; then, metallurgical coke is loaded between the annular partition plate and the product, after the metallurgical coke is loaded to be flush with the top end of the product, a layer of metallurgical coke is laid at the top end of the product and located in the annular partition plate, yellow sand is loaded between the annular partition plate and the steel drum till the yellow sand is flush with the top end of the metallurgical coke, then the annular partition plate is pulled out, and the spare part in the steel drum is completely filled with the yellow sand; and finally, the steel drum after drum filling is loaded into a vehicle bottom type roasting furnace. S3, power transmission roasting; and S4, cooling. The method not only can effectively improve the density strength of the primary baking blank, but also can reduce cracks, improve the performance of the product, reduce the cost and shorten the period.
本发明公开了一种减少等静压石墨裂纹的一次焙烧方法，属于石墨生产技术领域；包括S1.炉内准备；S2.装桶：先在钢桶底壁铺设一层黄沙，其后将环形隔板装载在钢桶中心处，再在环形隔板内部铺设一层冶金焦，其后将产品同轴装载至环形隔板内部；其后在环形隔板和产品之间装载冶金焦，装载至与产品顶端平齐后，再在产品的顶端且位于环形隔板内部铺设一层冶金焦，再在环形隔板和钢桶之间装载黄沙，直至与冶金焦顶端平齐，其后抽出环形隔板，并用黄沙将钢桶内空余处填补完全；最后将装桶结束后的钢桶装载至车底式焙烧炉内；S3.送电焙烧；S4.冷却。本发明不仅能够有效提高一焙坯的密度强度，还能够减少裂纹，同时提高产品的性能，降低成本、缩短周期。
One-time roasting method for reducing cracks of isostatic pressing graphite
The invention discloses a one-time roasting method for reducing cracks of isostatic pressing graphite, and belongs to the technical field of graphite production. Comprising the steps of S1, in-furnace preparation; s2, barreling is conducted, specifically, a layer of yellow sand is laid on the bottom wall of a steel barrel, then an annular partition plate is loaded in the center of the steel barrel, a layer of metallurgical coke is laid in the annular partition plate, and then a product is coaxially loaded into the annular partition plate; then, metallurgical coke is loaded between the annular partition plate and the product, after the metallurgical coke is loaded to be flush with the top end of the product, a layer of metallurgical coke is laid at the top end of the product and located in the annular partition plate, yellow sand is loaded between the annular partition plate and the steel drum till the yellow sand is flush with the top end of the metallurgical coke, then the annular partition plate is pulled out, and the spare part in the steel drum is completely filled with the yellow sand; and finally, the steel drum after drum filling is loaded into a vehicle bottom type roasting furnace. S3, power transmission roasting; and S4, cooling. The method not only can effectively improve the density strength of the primary baking blank, but also can reduce cracks, improve the performance of the product, reduce the cost and shorten the period.
本发明公开了一种减少等静压石墨裂纹的一次焙烧方法，属于石墨生产技术领域；包括S1.炉内准备；S2.装桶：先在钢桶底壁铺设一层黄沙，其后将环形隔板装载在钢桶中心处，再在环形隔板内部铺设一层冶金焦，其后将产品同轴装载至环形隔板内部；其后在环形隔板和产品之间装载冶金焦，装载至与产品顶端平齐后，再在产品的顶端且位于环形隔板内部铺设一层冶金焦，再在环形隔板和钢桶之间装载黄沙，直至与冶金焦顶端平齐，其后抽出环形隔板，并用黄沙将钢桶内空余处填补完全；最后将装桶结束后的钢桶装载至车底式焙烧炉内；S3.送电焙烧；S4.冷却。本发明不仅能够有效提高一焙坯的密度强度，还能够减少裂纹，同时提高产品的性能，降低成本、缩短周期。
One-time roasting method for reducing cracks of isostatic pressing graphite
一种减少等静压石墨裂纹的一次焙烧方法
LIANG BIN (author) / YANG HUAFENG (author) / YU TAO (author) / LIU XUE (author)
2024-12-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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