• Shandong Daqiao Co., Limited.
    • Tel: +86 532 85719155/85719176
    • Fax:+86 532 85719186
    • Add:Room 105, Block 3,No.20 West of Yinchuan road, Qingdao, China
    • E-mail:info@daqiaorefractory.com
      wenqin@daqiaoindustry.com
    • Manufactory: Shandong Daqiao Refractory Plant / ShanDong Luqiao New Material CORP.
    • Add: West of Renmin Road, Boshan, Zibo,  Shandong, China  /   Luqiao Road, New Material Industry Area,  Boshan Economic Development Zone, Zibo,  Shandong, China

      • Silica brick for coke oven
        材质（Grades）检验标准
        Inspection
        Standard
        KNKDKS
        典型砌筑部位 Model Build Part
        高温操作碳化室
        High Temperature Handle Coking Chamber        		 炉墙、炉顶、蓄热室和正面
        Oven Wall、Oven Top、Regenerator & Front Face
        化学成分
        Chemical analysis
        		 SiO2 % µG
        σ        		 ≥94.5
        1.0        		 ≥95
        1.0        		 DIN51070
        Teil26)
        Al2O3 % µG
         σ        		 ≤2.0
        0.3
        		 ≤1.5
        0.3
        		 DIN51070
        Teil36)  
        Fe2O3 % µG
        σ        		 ≤1.0
        0.2        		 ≤1.0
        0.2        		 DIN51070
        Teil56)
        CaO % µG
        σ        		 ≤3.0
        0.35        		 ≤3.0
        0.35        		 DIN51070
        Teil66)
        Na2O+K2O % µG
        σ        		 ≤0.35
        0.02        		≤0.35
        0.02        		DIN51070
        Teil86)
        残余石英
        Remnant
        Quartz

        原料类型A (粗晶)
        Raw-material
        A (Coarse Crystal)

        		% µG
        σ
        Xmax        		 根据制造厂提供的数据进行协商
        Discuss with the Data Offered by Manufactory
        6.0         		【2】
        原料类型A (隐晶)
        Raw-material
        A (Aphanitic Crystal)        		 % Ts
        σ
        		 1.5
        0.5
        常温耐压强度
        Cold crushing strength (KDF)        		 N/mm2µG
        σ
        Xmax        		 ≥28
        10
        20        		 ≥35
        10
        25        		 ≥45
        10
        30        		 DIN51067
        Teil11
        开口气孔率
        Apparent porosity (Po)        		% µG
        σ        		 ≤24.5
        1.3         		≤22.0
        1.3         		≤22.0
        1.3         		DIN51056
        荷重软化点
        Refractoriness under
        load(DFB)
        开始温度
        Starting temperature (ta)        		 oC µG
        σ        		 ≥1640
        25         		≥1650
        25         		DIN51064
        荷重软化点
        Refractoriness (DE)
        (示差法)T 0.5        		oC µG
        σ        		根据制造厂提供的数据进行协商
        Discuss with the Data Offered by Manufactory        		 DIN51053
        Teil1
        Z5-25
        蠕变Creep (DFI) 3)
        Z25         		% µG
        σ
        µG        		 ≤0.12
        0.05         		-
        -        		DIN51053
        Teil2
        ≤0.35
        0.1         		-
        -
        耐火度
        Refractoriness 4)        		 µG
        σ        		 170(SK31) 5)
        2(SK1) 5)        		-
        -        		-
        -        		 DIN51063
        Teil1
        波美法磨损度
        Baume Abrasion Degree        		 mm µG
        σ        		 -
        -        		-
        -        		 ≤4.5
        1.0        		 DIN52108