A mud preparation system
A technology for preparing system and mud, which is applied in clay preparation device, mixing operation control, cement mixing device, etc., can solve problems such as unusability, single mud preparation volume is not enough to supply mud volume completely, affecting drilling construction efficiency, etc.
Active Publication Date: 2020-12-29
中科兴创(北京)科技有限公司
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Problems solved by technology
[0004] The above-mentioned existing technical solutions have the following defects: the amount of mud prepared in a single time is not enough to completely supply the amount of mud required for the construction of a pile hole
Therefore, in the process of constructing pile holes, when the prepared mud is used up, it is necessary to stop the drilling rig and wait for the mud to be prepared before continuing to start drilling, which affects the construction efficiency of drilling.
However, when using a prefabricated mud container with a single mud preparation amount sufficient to meet the entire amount of mud required for a pile hole construction, the volume of the prefabricated mud container needs to be extremely large. The prefabricated mud container with a large capacity is not only difficult to transport It is difficult to ensure that the properties of the mud in the whole mud prefabrication container are basically the same, so it cannot be used
Method used
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Embodiment 2
[0039] Such as figure 2 As shown, a mud preparation system differs from Embodiment 1 in that an isolation net 23 is installed inside the slurry return box 20, and the isolation net 23 extends downward from the middle of the upper end of the slurry return box 20 to form a vertical section 24. The lower end of the straight section 24 extends horizontally to the right to form a horizontal section 25 . The horizontal section 25 abuts against the inner wall of the return box 20 . The connection between the overflow pipe 26 and the return box 20 is the position on the right side of the vertical section 24 and above the horizontal section 25 on the return box 20 . The connection position between the discharge pipe 22 and the pulp return box 20 is the position on the left side of the vertical section 24 in the pulp return box 20 .
[0040] Such as figure 2 As shown, the bottom surface of the slurry return box 20 is inclined, and a separation box 27 connected with the slurry retur...
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The invention relates to a slurry preparation system. The slurry preparation system comprises a slurry preparation device and a mud storage device. The slurry preparation storage device comprises a slurry storage barrel, and a first conveying pump for conveying slurry prepared by the slurry preparation device into the slurry storage barrel, wherein a grouting pipe is connected to the bottom of theslurry storage barrel, and a control valve for controlling opening and closing of the grouting pipe is mounted on the grouting pipe. Slurry is prepared by the slurry preparation storage device and conveyed into the slurry barrel for storage. When use of the slurry is required, the control valve is opened, the slurry in the slurry storage barrel flows out of the grouting pipe under self-weight. Due to the fact that the slurry can be continuously prepared and conveyed into the slurry storage barrel for storage through the mud preparation device, the situation that the slurry preparation devicecannot provide the slurry in time, so that a drilling machine is caused to be stopped is avoided.
Description
technical field [0001] The invention relates to the technical field of mud preparation, in particular to a mud preparation system. Background technique [0002] At present, the construction technology of bored pile foundation is often used as the first choice technology method for foundation construction because of its high degree of mechanization, fast construction speed, safety and reliability, etc., but it is necessary to inject mud into the hole while drilling to form Mud wall protects the hole wall so that it is not easy to collapse. The current method of preparing mud is generally to dig a mud pool in the land near the hole position to prepare the mud required for drilling. After the construction of the bored pile is completed, the soil needs 1-2 days after the mud pool is backfilled. It takes years to restore to the state before the excavation. At the same time, the pH of this kind of mud is high and contains a certain amount of heavy metals. Such substances will aff...
Claims
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IPC IPC(8): E21B21/06B28C5/06B28C9/00B28C9/02
CPCB28C5/06B28C9/008B28C9/02E21B21/06E21B21/062E21B21/065
Inventor 孙宁李鑫
Owner 中科兴创(北京)科技有限公司