High vermicularization rate vermicular graphite cast iron single-cylinder diesel engine body and preparation method thereof
A technology of vermicular graphite cast iron and vermicular rate, which is applied in the field of high vermicular graphite cast iron single-cylinder diesel engine body and its preparation. Good, narrow crystallization range, excellent performance
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Embodiment 1
[0027] A single-cylinder diesel engine body: configured as the following components by mass percentage: 3.7% carbon, 2.3% silicon, 0.65% manganese, P<0.08%, S<0.03%, and the balance is iron and unavoidable impurities.
[0028] The preparation method is as follows: use Z14 cast iron, nodular cast iron, vermicular graphite cast iron return charge, ferrosilicon and ferromanganese as raw materials, mix all the raw materials, and melt them in an intermediate frequency induction furnace at a temperature of 1525 ° C; Put the agent and part of the slag-accumulating agent in the bottom of the vermicomposting treatment bag; after the composition of the smelting liquid passes the test, add the remaining slag-accumulating agent to the smelting liquid melted in the intermediate frequency induction furnace to remove the slag, and use the embankment-type bag-bottom flushing method Enter the vermicularization treatment package for vermicularization treatment, add the remaining inoculant to ino...
Embodiment 2
[0033] A single-cylinder diesel engine body: the following components are configured by mass percentage: carbon 3.5%, silicon 2.1%, manganese 0.5%, P<0.08%, S<0.03%, and the balance is iron and unavoidable impurities.
[0034] The preparation method is as follows: use Z14 cast iron, nodular cast iron, vermicular graphite cast iron return material, ferrosilicon and ferromanganese as raw materials, mix all the raw materials, and melt them in an intermediate frequency induction furnace at a temperature of 1510 ° C; Put the agent and part of the slag-accumulating agent in the bottom of the vermicomposting treatment bag; after the composition of the smelting liquid passes the test, add the remaining slag-accumulating agent to the smelting liquid melted in the intermediate frequency induction furnace to remove the slag, and use the embankment-type bag-bottom flushing method Enter the vermicularization treatment bag for vermicularization treatment, and add the remaining inoculant to i...
Embodiment 3
[0039] A single-cylinder diesel engine body: the following components are configured by mass percentage: 3.8% carbon, 2.6% silicon, 0.8% manganese, P<0.08%, S<0.03%, and the balance is iron and unavoidable impurities.
[0040] The preparation method is as follows: use Z14 cast iron, nodular cast iron, vermicular graphite cast iron return charge, ferrosilicon and ferromanganese as raw materials, mix all the raw materials, and melt them in an intermediate frequency induction furnace at a temperature of 1540 ° C; Put the agent and part of the slag-accumulating agent in the bottom of the vermicomposting treatment bag; after the composition of the smelting liquid passes the test, add the remaining slag-accumulating agent to the smelting liquid melted in the intermediate frequency induction furnace to remove the slag, and use the embankment-type bag-bottom flushing method Enter the vermicularization treatment bag for vermicularization treatment, add the remaining inoculant to inocula...
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