【Construction Case】MXL-150D2 Anchor Drilling Rig

Stratum situation

 

Location (province): Jiangsu Province

Location (city): Changzhou

Drilling rig model: MXL-150D2 raised anchor drill

Drill tool configuration: 60 single-weight spin spray drill rod

Process type: rotary jet anchor cable

Construction technology: rotary spray anchor cable

 

 

Construction technology

 

Configuration: one MXL-150D2 drilling rig and one 90 high-pressure pump

 

1、Level the site to ensure the smooth and reliable working face of the drilling rig, and determine the position of each pile according to the requirements;

2、Open the drilling rig to the pile position, adjust the flatness of the drilling rig, point the drill bit at the center of the pile position, and support the leg well;

3、Install the drill pipe, drill bit cover on the rotary spray anchor cable, start the high pressure pump, pressure 10 mpa, direct drilling construction;

 

 

4、Pay attention to the slurry return situation when entering the footage, and control the footage speed well;

5、When the last drill pipe drills, adjust the pressure to 25 mpa, slowly drill to the specified depth at the bottom of the hole, then start speed rotation spray, spray 8 meters, and then remove the drill pipe;

6、Move the machine to the next hole position

 

                                                            —— Anman drilling rig sales service: Wang Bing