Nov 28

Shale shaker is very common equipment used in the drilling mud recycling system. Its function is the first stage for remove the coarse solids in the drilling mud. Sometimes, we may see the double layers shale shakers are installed in the mud system. Below we would like to share some information on how the double layers shale shaker works in the mud recycling system.
Some mud system may has limitation on the footprint, thus, the operators would like to equip a shale shaker with high treating capacity but compact structure. The double layer shaker no doubt is the ideal choice.

shale-shaker

Shale Shaker

For shale shaker application – when the unit is used as primary shale shaker, it is located at the very beginning of the mud system. As we know, the shale shaker unit has buffer box for mud feeding into the shaker unit. The mud overflow out from the buffer box would flow into the upper shaker screen panels with coarse screen for larger size solids separation. The lower screen panels would be much finer for small solids separation. Double layer shale shaker will have a relative larger capacity; in the meanwhile, it can remove out smaller
solids.
For Mud Cleaner application – Shale shaker can also be used as underflow drying shaker by combining with hydro cyclone unit. This type mud cleaner functioned as both shale shaker and cyclone unit. The lower screen with coarse mesh is for larger solids separation, and the upper screen with fine mesh is for drying the slurry discharged from the cyclone.
GN now has main two models of double layers shale shaker. One is coming from the shaker model of GNZS703. Its deformation GNZS706 double layer is for larger capacity shaker and GNZS705 for mud cleaner unit. The other is GNZS752; it can be upgraded to GNZS753 double layers. These double layer shale shakers are widely used in GN’s compact design mud recycling/de-sanding unit for area limitation project.

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