Sample for low-carbon ferrochrome chemical analysis and sample preparation method
The invention relates to the field of iron and steel smelting, in particular to a sample for low-carbon ferrochrome chemical analysis and a sample preparation method. The method comprises the following steps: crushing a batch of low-carbon ferrochrome samples step by step according to a first size f...
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| creator | LI SHIJING YE PENG LIANG JINGXIONG YAO YONG HONG WEI HE RONGFU XU GUANGXIN LI ZUOYANG XIAO MINGDONG ZHANG YUCHENG |
| description | The invention relates to the field of iron and steel smelting, in particular to a sample for low-carbon ferrochrome chemical analysis and a sample preparation method. The method comprises the following steps: crushing a batch of low-carbon ferrochrome samples step by step according to a first size fraction, a second size fraction, a third size fraction and a fourth size fraction to enable the particle sizes of the low-carbon ferrochrome samples to be gradually reduced; and screening the low-carbon ferrochrome samples subjected to the fourth size fraction crushing, and taking a sample with theparticle size of less than or equal to 1.6 mm. According to the method provided by the invention, various problems caused by sample preparation through a drilling method in the prior art can be solved, the sample preparation difficulty of the sample for low-carbon ferrochrome chemical analysis can be greatly reduced, and the sample preparation time is saved. According to the sample preparation method of the sample for low |
| format | Patent |
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The method comprises the following steps: crushing a batch of low-carbon ferrochrome samples step by step according to a first size fraction, a second size fraction, a third size fraction and a fourth size fraction to enable the particle sizes of the low-carbon ferrochrome samples to be gradually reduced; and screening the low-carbon ferrochrome samples subjected to the fourth size fraction crushing, and taking a sample with theparticle size of less than or equal to 1.6 mm. According to the method provided by the invention, various problems caused by sample preparation through a drilling method in the prior art can be solved, the sample preparation difficulty of the sample for low-carbon ferrochrome chemical analysis can be greatly reduced, and the sample preparation time is saved. 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The method comprises the following steps: crushing a batch of low-carbon ferrochrome samples step by step according to a first size fraction, a second size fraction, a third size fraction and a fourth size fraction to enable the particle sizes of the low-carbon ferrochrome samples to be gradually reduced; and screening the low-carbon ferrochrome samples subjected to the fourth size fraction crushing, and taking a sample with theparticle size of less than or equal to 1.6 mm. According to the method provided by the invention, various problems caused by sample preparation through a drilling method in the prior art can be solved, the sample preparation difficulty of the sample for low-carbon ferrochrome chemical analysis can be greatly reduced, and the sample preparation time is saved. According to the sample preparation method of the sample for low</description><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MEASURING</subject><subject>PHYSICS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi0EKwjAQAHPxINU_rA8oGETqtRSLJ0H0XtZ0QwJJNmwC4u8t6AM8zRxm1up2x5gDgWWBwK_WoDw5gSURNk44EhhH0RsMgAnDu_iyyAzl-2WhjILVL1Ok6njeqJXFUGj7Y6N24_kxXFrKPFHJaChRnYar1rrbd0d96g__NB_46TgE</recordid><startdate>20200925</startdate><enddate>20200925</enddate><creator>LI SHIJING</creator><creator>YE PENG</creator><creator>LIANG JINGXIONG</creator><creator>YAO YONG</creator><creator>HONG WEI</creator><creator>HE RONGFU</creator><creator>XU GUANGXIN</creator><creator>LI ZUOYANG</creator><creator>XIAO MINGDONG</creator><creator>ZHANG YUCHENG</creator><scope>EVB</scope></search><sort><creationdate>20200925</creationdate><title>Sample for low-carbon ferrochrome chemical analysis and sample preparation method</title><author>LI SHIJING ; YE PENG ; LIANG JINGXIONG ; YAO YONG ; HONG WEI ; HE RONGFU ; XU GUANGXIN ; LI ZUOYANG ; XIAO MINGDONG ; ZHANG YUCHENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111707518A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MEASURING</topic><topic>PHYSICS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>LI SHIJING</creatorcontrib><creatorcontrib>YE PENG</creatorcontrib><creatorcontrib>LIANG JINGXIONG</creatorcontrib><creatorcontrib>YAO YONG</creatorcontrib><creatorcontrib>HONG WEI</creatorcontrib><creatorcontrib>HE RONGFU</creatorcontrib><creatorcontrib>XU GUANGXIN</creatorcontrib><creatorcontrib>LI ZUOYANG</creatorcontrib><creatorcontrib>XIAO MINGDONG</creatorcontrib><creatorcontrib>ZHANG YUCHENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI SHIJING</au><au>YE PENG</au><au>LIANG JINGXIONG</au><au>YAO YONG</au><au>HONG WEI</au><au>HE RONGFU</au><au>XU GUANGXIN</au><au>LI ZUOYANG</au><au>XIAO MINGDONG</au><au>ZHANG YUCHENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Sample for low-carbon ferrochrome chemical analysis and sample preparation method</title><date>2020-09-25</date><risdate>2020</risdate><abstract>The invention relates to the field of iron and steel smelting, in particular to a sample for low-carbon ferrochrome chemical analysis and a sample preparation method. The method comprises the following steps: crushing a batch of low-carbon ferrochrome samples step by step according to a first size fraction, a second size fraction, a third size fraction and a fourth size fraction to enable the particle sizes of the low-carbon ferrochrome samples to be gradually reduced; and screening the low-carbon ferrochrome samples subjected to the fourth size fraction crushing, and taking a sample with theparticle size of less than or equal to 1.6 mm. According to the method provided by the invention, various problems caused by sample preparation through a drilling method in the prior art can be solved, the sample preparation difficulty of the sample for low-carbon ferrochrome chemical analysis can be greatly reduced, and the sample preparation time is saved. According to the sample preparation method of the sample for low</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING |
| title | Sample for low-carbon ferrochrome chemical analysis and sample preparation method |
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