2013年9月6日星期五

Working principle of Jet Mud Mixer in drilling solids control

Jet mud mixer matched with well drilling solids control , mainly used in weighting drilling mud , changing the density , viscosity , water lose , etc . If it is used with shearing pump, the effect will be more excellent , it can be designed twin jet mud mixer according to customers’ requirements .
The mud mixer is extensively utilized in business and also city sewage therapy and the aerated grit chamber. It also is utilized for modest sewage treatment, industrial wastewater remedy and aeration pond. Meanwhile, the jet mud mixer is also applicable to the sewage treatment plant together with industrial process about mixing with liquid suspensions.
KOSUN jet mud mixer is used to make and mix drilling fluid to change the density and viscosity. This device can satisfy the fluid weighting and mixing of solids control system for 1500m-9000m drilling.

Working principle:
The drilling flow into the jet pump with certain pressure, in the jet pump fluid spouts out from jet nozzle first, then flows into shear pipe through mixing chamber, Material will be added from hopper to mixing hopper, and move into shear pipe with the flow. During this process, they are dispersed and mixed. The mixture will enter into drilling fluid tank when flows out of the shear pipe.
The shear pipe is hollow and it can expand gradually based on certain curved surface. It is mainly used to enlarge shearing force inside the pipe to disperse the material further and increase the mixture pressure head, this will make it easy to enter in to circulation tank.

Features & Benefits of Jet Mud Mixer:
1. Mud mixer is a single jet mixer combined with 45 Kw (or 55 Kw) sand pump and a jet mud hopper or a double jet mixer of two pumps and two hoppers.
2. The weighting hopper can be combined with a pump or be used independently with manifold valves with pump.
3. Put the drilling fluid materials (bentonites, barite powder) and the corresponding chemical additives (polymer) into circulation tank for increasing the total.

Maintenance:
The necessary maintenance can improve the working reliability of the jet mud mixer, and prolong its service life.
The work is cleaning the feeding hopper and mixing chamber, keeping the equipment neat.
Check the fasteners
Check the fasteners once a month, be sure they are tightening.
Unit anticorrosion
Paint the paint breakage timely.

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