波海菱鎂公司所生產的輕燒鎂球 Light burned magnesium balls produced by Bohai Magnesite

輕燒鎂球 

1范圍 

本標準規定了輕燒鎂球的技術要求、試驗方法、檢驗規則、包裝、標識及質量證書。 

本標準適用于本公司轉爐煉鋼配鎂造渣用輕燒鎂球。 

2規范性引用文件 

下列文件中的條款通過本標準的引用而成為本標準的條款。凡是注日期的引用文件，其隨后的所有修改單（不包括勘誤的內容）或修訂版均不適用本標準。然而，鼓勵根據本標準達成協議的各方是否可使用這些文件的Z新版本。凡是不注日期的引用文件，其Z新版本使用于本標準。  

 GB/T 5069.1-2001 鎂質及鎂鋁（鋁鎂）質耐火材料化學分析方法  重量法測定灼燒減量 

 GB/T 5069.2-2001 鎂質及鎂鋁（鋁鎂）質耐火材料化學分析方法  鉬藍光度法測定二氧化硅量 

GB/T 5069.11-2001 鎂質及鎂鋁（鋁鎂）質耐火材料化學分析方法  絡合滴定法測定氧化鈣、氧化鎂量 

GB/T 5072-1985   致密定形耐火制品常溫耐壓強度試驗方法 

Light burned magnesium ball

1 Scope 

This standard specifies the technical requirements, test methods, inspection rules, packaging, identification and quality certificates of light-burned magnesium balls.

This standard applies to the company's converter steelmaking with magnesium slag for light burning magnesium balls.

2 Normative references

The clauses in the following documents have become the clauses of this standard after being referenced. For dated reference documents, all subsequent amendments (excluding the content of errata) or revised editions are not applicable to this standard. However, it is encouraged that parties that have reached agreement under this standard can use the latest versions of these documents. For undated reference documents, the latest version is used in this standard.

 GB / T 5069.1-2001 Magnesium and magnesium aluminum (aluminum-magnesium) refractories chemical analysis method Gravimetric determination of ignition loss

 GB / T 5069.2-2001 Magnesium and magnesium aluminum (aluminum-magnesium) refractories chemical analysis method Molybdenum blue photometric method for determination of silicon dioxide

GB / T 5069.11-2001 Methods for chemical analysis of magnesia and magnesia-aluminum (aluminum-magnesium) refractories Determination of calcium oxide and magnesium oxide by complexometric titration

GB / T 5072-1985 Test method for room temperature compressive strength of dense shaped refractory products

3技術要求 

3.1輕燒鎂球的化學成分及物理性能應符合下表的規定： 

項目 

化學成分（%） SiO2 

MgO S 水分 質檢指標 

≤3.50 

≥65.00 

抽查 

≤1.00 

3.2 粒度要求：40～60mm，其中小于5mm者不大于5%。 

抗壓強度:≥1.5 KN/個 

4檢驗方法和檢驗規則 

4.1灼減的檢驗按GB/T 5069.1-2001進行。 4.2 化學分析按2規范性引用文件進行。 4.3 壓迫力的檢驗按GB/T 5072-1985進行。 4.4 輕燒鎂球的粒度檢驗按GB/T 2007進行  5檢驗規則 

5.1輕燒鎂球的質量檢驗由質量處負責。質量部門在收到試樣后盡快內向相關單位報出分析結果。 

5.2 組批：產品每批不超過500噸； 

5.3 每批取樣應不少于15公斤，并從各樣袋中均衡取樣。 5.3 輕燒鎂球的質量檢查和驗收應符合YB/T 5142的規定。 6質量檢驗 

6.1輕燒鎂球的質量判定以常規分析結果為依據。 6.2輕燒鎂球的質量判定以每批的化學分析結果為依據。 7貯存、運輸及質量證明書 

7.1輕燒鎂球采用聚丙烯編織袋包裝，每袋1噸，保證內貨不外露，不撒漏，并標明產品名稱、供方名稱；每個批次都必須附有質量證明書。 

7.3質量檢驗部門的化學分析報告應表明：產品名稱、檢驗序號、及檢驗結果、檢驗日期及檢驗員。

3 technical requirements

3.1 The chemical composition and physical properties of lightly burned magnesium balls should meet the requirements of the following table:

Item

Chemical composition (%) SiO2

MgO S moisture quality inspection index

≤3.50

≥65.00

Spot check

≤1.00

3.2 Particle size requirement: 40 ~ 60mm, among which less than 5mm is not more than 5%.

Compressive strength: ≥1.5 KN / each

4 Inspection methods and inspection rules

4.1 Burn-down inspection shall be conducted in accordance with GB / T 5069.1-2001. 4.2 Chemical analysis was carried out according to 2 normative references. 4.3 Inspection of compression force shall be carried out according to GB / T 5072-1985. 4.4 The particle size inspection of lightly burned magnesium balls shall be conducted in accordance with GB / T 2007. 5 Inspection rules

5.1 The quality inspection of lightly burned magnesium balls is the responsibility of the quality department. The quality department reports the analysis results to the relevant units as soon as possible after receiving the samples.

5.2 Group batch: each batch of product does not exceed 500 tons;

5.3 Sampling of each batch shall be not less than 15 kg, and samples shall be taken from each sample in a balanced manner. 5.3 The quality inspection and acceptance of lightly burned magnesium balls shall meet the requirements of YB / T 5142. 6 quality inspection

6.1 The quality judgment of lightly burned magnesium balls is based on the results of routine analysis. 6.2 The quality judgment of lightly burned magnesium balls is based on the chemical analysis results of each batch. 7 certificate of storage, transportation and quality

7.1 Lightly burned magnesium balls are packed in polypropylene woven bags, 1 ton per bag, to ensure that the internal goods are not exposed and leaked, and the product name and supplier name are marked; each batch must be accompanied by a quality certificate.

7.3 The chemical analysis report of the quality inspection department should indicate: product name, inspection serial number, inspection results, inspection date and inspector.