显气孔体积密度测试仪:耐火材料显气孔率仪

Visible Pore Volume Density Tester: Refractory Material Visible Pore Rate Tester

耐火材料显气孔体积密度测试仪是用于测定耐火材料显气孔率、体积密度等物理性能的专业仪器，主要通过真空法或液体静力称量法实现。

主要功能

显气孔率：计算开口气孔体积与试样总体积的比值。

体积密度：试样质量与总体积的比值。

吸收率、真气孔率等衍生参数。

Apparent Porosity and Bulk Density Tester

Apparent Porosity Bulk Density Apparatus

XQK Apparent Porosity Bulk Density Apparatus

Apparent Porosity and Bulk Density Testing Instrument

Instrument structure and composition
 The instrument adopts the mechanical and electrical integrated structure, composed by the vacuum container, water circulating pump, inlet valve, water valve, water collector, and the digital controller. Water circulation pump with the special advantages of low operating noise, not easy to damage and low power consumption, makes the instrument has more superior performance.
Expression of results
1. The bulk densityρb , expressed in grams per cubic centimeter, is given by the equation
         
    ρb =     m1     ×ρliq                            (1)
          m3 - m2
2. The apparent porosityπa, expressed as a percentage by volume, is given by the equation
πa =   m3 - m1      ×100                          (2)
          m3 - m2
3. The true porosityπt , expressed as a percentage by volume, is given by the equation
πt =  ρt  -ρb      ×100                         (3)
           ρt
  The closed porosityπf , expressed as a percentage by volume, may be calculated by the equation
       πf = πt -πa                                                        (4)
  The values of porosity shall be given to the nearest 0.1%

Test equipment

 1: electric heating oven

2: vacuum unit

3: 0.01g graduation balance