agitator

The drilling fluid agitator is one of main supporting devices for solids control system of drilling rig, and is used for agitating the drilling fluid to keep its solid liquid in uniformly mixed state and meet the process requirements on solids phase control and circulation of drilling fluid. This manual describes the structure, working principle, use recommendation, technical maintenance, major data and technical parameters of drilling fluid agitator. To ensure efficient

and safe drilling and reliable equipment running, please operate it as per this manual.

The personnel in charge of the installation, operation and maintenance of the drilling fluid agitator for drilling rig must read this manual and the user manuals or the operation manuals of its accessories carefully before installing and using the solids control system, and install, use and maintain the solids control system as per the requirements in these manuals. If related contents are not known, improper installation, operation or maintenance may cause personal injury or equipment damage.

N    J   - Short for Mud Agitator

15-Motor power (KW) requested


 

1.1. Technical specification

 

Table 1: Specification of agitator

 

 

Model

Power

KW

Standard impeller

mm/in

Impeller revolutions

60Hz/50Hz

Mass

Kg

Overall dimension

mm

NJ5.5

5.5

Ø500/20

90/74

255

1115×425×560

NJ7.5

7.5

Ø700/27.5

90/74

255

1165×425×560

NJ11

11

Ø800/31.5

90/74

470

1415×625×750

NJ15

15

Ø900/35.5

90/74

500

1450×625×750

1. Purposes and functions

 

The drilling fluid agitator is equipment for agitating drilling fluid in circulating tank in drilling fluid solids control system. Each part of mixed liquid keeps to approach homogeneous mixture state by the agitation effect of the impeller, such as liquid-liquid mixing, solid-liquid suspension, gas-liquid or liquid-liquid dispersion etc.

 

2. Working principle and structure of agitator

 

2.1. Structure of agitator

 

The drilling fluid agitator comprises EXP motor, reduction gearbox, coupling, base, agitating shaft and impeller etc. The surface treatment adopts shot blasting process, and uses paints for  marine ships with favorable antiseptic property.

 agitator

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