Manufacturing method of once-formed graphite crucible
The technology of a graphite crucible and a manufacturing method, which is applied in the field of graphite crucible manufacturing, can solve the problems of high cost, large waste of materials, low production efficiency, etc., and achieve the effects of reducing the manufacturing cost, meeting the requirements for use, and improving the production efficiency.
Inactive Publication Date: 2017-09-08
吉林科工碳业有限公司
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Abstract
The invention relates to a manufacturing method of a once-formed graphite crucible. The manufacturing method is characterized by comprising the following steps: (1) batching: preparing the following components in percentage by mass: 70%-90% grinding powder prepared by grinding graphite scrap and 10%-30% of medium temperature coal pitch; (2) mixing kneading; (3) compression; (4) roasting; and (5) processing. The major material adopted in the manufacturing method is the graphite scrap which is waste obtained during the production of an electrode, so that the waste reutilization is realized, the average cost of each same-scale product is lowered by 800-1000 yuan, the energy source is saved, the environment is protected, and meanwhile, the manufacturing cost of the graphite crucible is lowered. Compared with a graphite crucible produced from a traditional graphite electrode, two procedures of impregnation and graphitization in which the environmental pollution may be caused and the energy sources are greatly consumed are reduced; and compared with a graphite electrode crucible, the average production cycle is shortened by 30-40 days, the energy conservation and emission reduction are achieved, and the production efficiency is greatly improved. According to the graphite crucible produced by virtue of the technical scheme, the longitudinal layout of aggregate particles is avoided, the structure of a product is isotropic, an anti-seepage effect is achieved, and the smelting use requirements of heavy and noble metals are well met.
Technology Topic
ScrapGraphite electrode +10
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- Experimental program(3)
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Example Embodiment
Example Embodiment
PUM
Property | Measurement | Unit |
True density | 2.0 ~ 2.13 | g/cm³ |
True density | 2.14 | g/cm³ |
Density | 2.14 | g/cm³ |
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