Slurry Unit for TBM Project for Worldwide Famous Company

Just several day ago, a GNMS-1000D slurry unit was carefully commissioned in GN factory yard and are delivered to loading port for exporting to a worldwide famous company, this is a repeated order from that company and GN Solids Control is their first China supplier. At first, before the first order, they doubted China supplier’s quality and capability for machinery, and before that, they had been using the German machines only.

They laid the first order as a trial and matched the purchased slurry unit with their German boring machine, the performance and efficiency is satisfied and the end user chose to repeat the order for a second exactly same slurry unit.

This is a compact treating unit for instant treating alongside the boring machine and there is no much storage space for this slurry unit. Therefore the treating efficiency and suitable mesh numbers are very important.

see GN compact design mud system for piling

In order to avoid leaking of mud, there are several points to be noticed:

1. end user must choose suitable mesh number of shaker screens. Normally, we recommend mesh 25 on the bottom deck of shaker while mesh 40 on the upper deck of shaker. In case the mud has different conditions, the end user could change mesh number into mesh 10 and mesh 40 instead.

2. suitable angle of shaker deck. GNZS series shake shaker could change the shaker deck’s angle easily. Depending on the mud condition and jobsite need, the shaker deck could be changed from minus 1 degree to 5 degree.

3. a proper G-force for the vibrating motors is also a key factor for the treating performance. GN uses Oil vibrating motors, and the vibrating G force could be adjusted by changing the position of the 2 motors’ eccentric blocks.         


Besides this capacity, GN also have 150/200GPM mud recycling system, 350/500 GPM system and 1000 GPM System for option, all of which has mixing unit included. GN also has economic options mostly for TBM drilling works, without the mixing unit.


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Drilling Mud Decanter Centrifuge Specialist