GB/T 30045-2013Coal direct liquefaction - Determination of apparent viscosity of coal-oil-slurry (English PDF)

1 Scope

This standard specifies the rotation viscosity measuring system with coaxial cylinder was measured by direct coal liquefaction oil apparent viscosity of coal slurry and terminology

Definitions, methodologies feeds, reagents and materials, equipment, measurement step, precision of the method and test reports.

This standard applies under the conditions of 60 °C, the apparent viscosity 50mPa · s ~ 700mPa · s coal direct liquefaction process oil

Coal slurry.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 23251 coal chemical coal Technical Guidelines

3 Terms and Definitions

GB/T 23251 define the terms and definitions section and the following terms and definitions apply to this document.

4 Method summary

Amount of oil loaded coal slurry in coaxial cylinder type rotational viscometer outer cylinder, under specified conditions, the inner tube at a constant angular velocity,

By measuring the inside at a shear rate of 100s-1 during the rotation of the cylinder suffered viscous torque, with a pre-certified reference material viscosity calibration curve

The apparent viscosity of oil - coal slurry results.

5 Reagents and materials

Viscosity certified reference materials. 4, dynamic viscosity range 0mPa · s ~ 10000mPa · s (20 °C).