Sampling device and sampling method for accurate quantification of carbon content in spheroidal graphite cast iron
A sampling device, the technology of ductile iron, applied in the direction of sampling device, etc., can solve the problems of instability, volatility, poor repeatability, etc., and achieve the effects of convenient operation, reducing shrinkage and porosity, and improving accuracy
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[0016] The present invention will be further described below in conjunction with specific drawings and embodiments.
[0017] Such as figure 1 As shown: the sampling device for the precise and quantitative amount of carbon in ductile iron, which includes a sampling base 1 and a sampling handle 2. A sampling cavity 1.1 is provided on the sampling base 1, and the wall surface of the sampling cavity 1.1 is a spherical crown surface. The handle 2 includes an operating handle 2.1 and a sampling ball 2.2. The sampling ball 2.2 is connected to the bottom end of the operating handle 2.1. The diameter of the sampling ball 2.2 is the same as that of the sampling cavity 1.1.
[0018] The spherical diameter of the sampling cavity 1.1 is 280-320 mm, and the diameter of the edge of the sampling cavity 1.1 is 130-170 mm.
[0019] The sampling method using above-mentioned sampling device comprises the following steps:
[0020] a. Use a molten iron sampling spoon to take out the nodular cast ...
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