CN211189849U

CN211189849U - Mud agitator equipment for drilling construction

Info

Publication number: CN211189849U
Application number: CN201922067609.1U
Authority: CN
Inventors: 郝昌跃; 王帆
Original assignee: Second Exploration Team Of Anhui Coalfield Geological Bureau
Current assignee: Second Exploration Team Of Anhui Coalfield Geological Bureau
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-07
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a mud agitator equipment for drilling construction, the main points are: a plurality of stirring blade assemblies (5) are circumferentially arranged on the upper stirring shaft (3); the stirring blade assembly (5) comprises: a first blade (5-1), a second blade (5-2) and a third connecting piece (5-3); the first blade (5-1) and the second blade (5-2) are vertically arranged in an inclined manner, and the inclination of the first blade (5-1) is greater than that of the second blade (5-2); 1 through cavity (6) is formed among the first blade (5-1), the second blade (5-2), the third connecting piece (5-3) and the upper stirring shaft (3); the area of the upper section (6-1) of the through cavity (6) is larger than the area of the lower section (6-2) of the through cavity (6). The utility model discloses solid particle deposit is in the problem of container bottom in the solution that can be better.

Description

Mud agitator equipment for drilling construction

Technical Field

The utility model relates to a geological survey and reconnaissance field, concretely relates to mud agitator equipment for drilling construction.

Background

Drilling is an important part of exploration work, and drilling generally needs a mud retaining wall to maintain a hole free from collapse. Mud mixers are an important mechanism for producing mud.

The prior art has conducted numerous studies on mud mixers.

Such as: CN107856188A discloses a hydraulic pressure water mud agitator, which comprises a support, a hydraulic motor, a coupling sleeve, a rotating shaft body and an agitating vane wheel, wherein the hydraulic motor is fixedly installed in the middle of the support, a power output shaft extending from the lower part of the support is arranged at the lower end of the hydraulic motor, the inner side of the upper part of the coupling sleeve is fixedly installed with the outer side of the lower part of the power output shaft, the inner side of the lower part of the coupling sleeve is fixedly installed with the outer side of the upper part of the rotating shaft body, and the agitating vane wheel is fixed on the outer side of the lower.

For another example: CN 209205087U discloses a mud agitator for directional drilling, belong to well drilling engineering equipment technical field, the on-line screen storage device comprises a base, the base center is equipped with the through-hole, the through-hole top is equipped with motor I, the output shaft lower extreme of motor I is connected the cavity puddler, the cavity puddler passes the through-hole, upper portion is equipped with the action wheel in the cavity puddler, the lower part is equipped with from the driving wheel, the action wheel passes through the belt from the driving wheel, be equipped with motor II on the base, motor II is fixed on the frame, the frame inlays in the spout on the base, be equipped with the stopper in the spout, the output shaft of motor II passes the lateral wall of cavity puddler and is connected with the action wheel.

The following steps are repeated: CN206935170U provides a novel energy-conserving high-efficient mud agitator device, belongs to the drilling equipment field, including establishing a plurality of stirring subassemblies and the intelligent electric cabinet in solid accuse jar, the stirring subassembly includes impeller, puddler and control motor, impeller establishes the one end and the two fixed connection of puddler, impeller's rotation center with the axis coincidence setting of puddler, control motor with the puddler is kept away from impeller's one end fixed connection and drive the puddler is rotatory along its self axis, control motor pass through the cable with the intelligence electric cabinet electricity is connected.

In the case of a slurry mixer, the material to be mixed is slurry, and solid particles in the slurry mixer are deposited on the bottom of the container in a large amount under the action of the self weight. Therefore, how to avoid the particles in the slurry from depositing to the bottom is an important direction for the development and improvement of the stirrer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mud agitator equipment for drilling construction to the particulate matter deposit in the mud liquid among the solution prior art is to the problem of container bottom.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a mud agitator apparatus for drilling operations, comprising: an upper stirring cover (1), an upper motor (2), an upper stirring shaft (3) and a liquid outlet (4);

a plurality of stirring blade assemblies (5) are circumferentially arranged on the upper stirring shaft (3);

the stirring blade assembly (5) comprises: a first blade (5-1), a second blade (5-2) and a third connecting piece (5-3);

the first blade (5-1) and the second blade (5-2) are vertically inclined, and the inclination of the first blade (5-1) is greater than that of the second blade (5-2);

the ends of the first blade (5-1) and the second blade (5-2) far away from the upper stirring shaft (3) are connected together through a third connecting sheet (5-3);

1 through cavity (6) is formed among the first blade (5-1), the second blade (5-2), the third connecting piece (5-3) and the upper stirring shaft (3);

the area of the upper section (6-1) of the through cavity (6) is larger than the area of the lower section (6-2) of the through cavity (6).

Further, the number of the stirring blade assemblies (5) is 4 groups, and the stirring blade assemblies are uniformly arranged on the stirring shaft at intervals.

Further, the third connecting sheet (5-3) is a plane.

Furthermore, the third connecting piece (5-3) is a curved surface, the projection on the horizontal plane is arc-shaped, and the center of the circle passes through the axis of the stirring shaft.

Further, still the cooperation is provided with a plurality of bottom stirring units in the bottom of upper portion (3), bottom stirring unit includes: the stirring device comprises a bottom stirring rod (8) and a bottom stirring blade (7), wherein one end of the bottom stirring rod (8) is connected with the upper stirring shaft (3), and the other end of the bottom stirring rod is connected with the bottom stirring blade (7); the bottom stirring blade (7) is vertically and obliquely arranged and is vertical to the length direction of the bottom stirring rod (8); the length of the bottom stirring rod (8) is greater than that of the first blade (5-1).

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1) the invention of the first embodiment is characterized in that: the design of stirring vane subassembly (5), stirring vane subassembly (5) includes: a first blade (5-1), a second blade (5-2) and a third connecting piece (5-3); 1 through cavity (6) is formed among the first blade (5-1), the second blade (5-2), the third connecting sheet (5-3) and the upper stirring shaft (3), and when the first blade (5-1) and the second blade (5-2) rotate, liquid rises, so that liquid and solid particles at the lower part of the stirring blade assembly (5) are driven to be pumped into the through cavity and then rise to the upper part; resulting in a reduction of precipitated solid particles.

2) The second point of the first embodiment is that the first blade (5-1) and the second blade (5-2) are vertically arranged in an inclined manner, and the inclination of the first blade (5-1) is the inclination of the second blade (5-2), that is, the area of the upper section 6-1 of the through cavity 6 is larger than the area of the lower section 6-2 of the through cavity 6, so that the speed of the lower section is high when liquid is pumped into the cavity (that is, the suction force pumped into the cavity is improved).

3) The second embodiment is characterized in that: still the cooperation is provided with a plurality of bottom stirring units in the bottom of upper portion (3), bottom stirring unit includes: bottom puddler (8), bottom stirring vane (7), the vertical slope of bottom stirring vane (7) sets up, and the length of bottom puddler (8) is greater than the length of first blade (5-1) to make bottom stirring vane correspond the granule that the processing container limit way probably subsides.

Drawings

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention.

FIG. 1 is a schematic diagram of the design of a mud agitator apparatus for use in drilling operations according to the first embodiment.

FIG. 2 is a schematic three-dimensional design of a stirring blade assembly.

FIG. 3 is a schematic plan view of the upper agitator shaft and agitator blade assembly.

FIG. 4 is a schematic vertical cross-sectional design view of the first vane, the second vane, and the through cavity.

FIG. 5 is a schematic diagram showing the design of a mud agitator apparatus for use in drilling according to the second embodiment.

FIG. 6 is a plan view of the bottom stirring rod and the bottom stirring blade of the second embodiment.

The reference numerals are explained below:

the stirring device comprises an upper stirring cover 1, an upper motor 2, an upper stirring shaft 3, a liquid outlet 4, a stirring blade assembly 5, a first blade 5-1, a second blade 5-2, a third connecting sheet 5-3, a through cavity 6, an upper section 6-1 of the through cavity, a lower section 6-2 of the through cavity, a bottom stirring blade 7 and a bottom stirring rod 8.

Detailed Description

In one embodiment, a mud agitator apparatus for use in drilling operations includes: an upper stirring cover 1, an upper motor 2, an upper stirring shaft 3 and a liquid outlet 4;

a plurality of stirring blade assemblies 5 are circumferentially arranged on the upper stirring shaft 3;

the agitating blade assembly 5 includes: the blade comprises a first blade 5-1, a second blade 5-2 and a third connecting piece 5-3;

the first blade 5-1 and the second blade 5-2 are vertically inclined, and the inclination of the first blade 5-1 is greater than that of the second blade 5-2;

the ends of the first blade 5-1 and the second blade 5-2 far away from the upper stirring shaft 3 are connected together through a third connecting sheet 5-3;

1 through cavity 6 is formed among the first blade 5-1, the second blade 5-2, the third connecting piece 5-3 and the upper stirring shaft 3;

the area of the upper section 6-1 of the through cavity 6 is greater than the area of the lower section 6-2 of the through cavity 6.

The working mode of the first embodiment: when upper portion motor 2 drives upper portion (mixing) shaft 3 and rotates, then drive stirring leaf subassembly 5 rotates, and stirring leaf subassembly 5 is the slope form, and the solution upward movement of drive stirring leaf, and utilize simultaneously to lead to the area of the upper cross-section 6-1 of chamber 6 to be greater than the area of the lower cross-section 6-2 that leads to chamber 6, can absorb the solution of stirring leaf subassembly below, be about to the particulate matter of (mixing) shaft below absorb upper portion, avoid the deposit.

In a second embodiment, a plurality of bottom stirring units are further disposed at the bottom of the upper stirring shaft 3, and each bottom stirring unit includes: the stirring device comprises a bottom stirring rod 8 and a bottom stirring blade 7, wherein one end of the bottom stirring rod 8 is connected with the upper stirring shaft 3, and the other end of the bottom stirring rod 8 is connected with the bottom stirring blade 7; the bottom stirring blade 7 is vertically and obliquely arranged and is vertical to the length direction of the bottom stirring rod 8;

the length of the bottom stirring rod 8 is greater than that of the first blade 5-1.

Working mode of the second embodiment: as shown in fig. 1, it is shown that particles are likely to be deposited around the bottom of the stirrer except the flow direction of the solution, and therefore, the second embodiment is focused on how to prevent the deposition of particles on the bottom edge of the container. Thus, the bottom stirring blades are provided at the corresponding positions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mud agitator apparatus for drilling operations, comprising: an upper stirring cover (1), an upper motor (2), an upper stirring shaft (3) and a liquid outlet (4);

2. A mud agitator apparatus for drilling operations as claimed in claim 1, wherein the number of agitator blade assemblies (5) is 4 groups and are evenly spaced on the agitator shaft.

3. A mud mixer arrangement for drilling operations according to claim 1 or 2, wherein the third web (5-3) is planar.

4. A mud mixer device as claimed in claim 1 or 2, wherein the third web (5-3) is curved and has a circular arc in plan view with its centre passing through the axis of the mixer shaft.

5. A mud agitator apparatus for drilling operations as claimed in claim 1 or 2, wherein a plurality of bottom agitator units are also cooperatively provided at the bottom of the upper agitator shaft (3), said bottom agitator units comprising: the stirring device comprises a bottom stirring rod (8) and a bottom stirring blade (7), wherein one end of the bottom stirring rod (8) is connected with the upper stirring shaft (3), and the other end of the bottom stirring rod is connected with the bottom stirring blade (7); the bottom stirring blade (7) is vertically and obliquely arranged and is vertical to the length direction of the bottom stirring rod (8); the length of the bottom stirring rod (8) is greater than that of the first blade (5-1).