CN118253248A - Stirring tank with impeller - Google Patents

Abstract

The invention provides a stirring tank with impellers, which relates to the technical field of oil and gas exploitation machinery. The stirring tank with the impeller can effectively reduce the deposition at the bottom of the tank.

Description

Stirring tank with impeller

Technical Field

The invention relates to the technical field of oil and gas exploitation machinery, in particular to a stirring tank with an impeller.

Background

Drilling fluid is a generic term for various circulating fluids that meet the needs of drilling operations during the drilling process in its various functions. The quality of the drilling fluid can directly influence the drilling quality, and plays an important role in improving the drilling speed. The drilling fluid solid-phase control system is an important component of the petroleum drilling machine, and has the main functions of removing harmful solid phases in the drilling fluid and realizing the purification function of the drilling fluid. Wherein, the agitator tank with good stirring effect is favorable to solid control system to exert maximum efficiency and discharges poor solid phase, and stirring effect is poor can lead to appearing a large amount of sand setting in the agitator tank. This not only reduces the effective volume of the agitator tank, but also may affect the efficiency of changing mud systems, and may increase the amount of work required to clean the agitator tank after drilling.

In order to reduce sand setting at the bottom of the tank, the prior art has made many attempts in terms of the tank structure of the stirring tank, but is limited by factors such as well site area, transportation conditions, manufacturing cost and the like, and the tank structure is mainly a rectangular tank at present. Due to the tank body structure, the four corners of the bottom of the rectangular tank are often flow dead corners with serious sand setting and difficult cleaning, so that how to reduce sand setting at the dead corners of the rectangular tank is a key problem to be solved urgently at present.

In view of this, the present inventors have devised a stirring tank with an impeller through trial and error based on production design experience conducted in the field and related fields for many years, so as to solve the problems existing in the prior art.

Disclosure of Invention

The invention aims to provide a stirring tank with an impeller, which can effectively reduce deposition at the bottom of the tank.

In order to achieve the above object, the present invention provides an impeller-equipped stirring tank, wherein the impeller-equipped stirring tank comprises a tank body, a stirrer, at least one baffle and at least one impeller, wherein the interior of the tank body is hollow and forms a containing cavity, the stirrer, the baffle and the impeller are all arranged in the containing cavity, the top end of the stirrer can be rotatably mounted on the top of the tank body, the baffle can be detachably mounted on the inner side wall of the tank body, and the impeller can be rotatably mounted on the inner side wall of the tank body and is close to the bottom of the tank body.

The stirring tank with the impeller comprises the motor, the stirrer comprises the stirring shaft and a plurality of paddles, the stirring shaft is arranged along the axis of the tank body, the top end of the stirring shaft penetrates through the tank body upwards and then is connected with the motor, and the paddles are fixedly arranged at the bottom end of the stirring shaft.

The stirring tank with the impeller, as described above, wherein the inner wall of the tank body, the outer wall of the stirring shaft, and the outer wall of each blade are coated with a rust-preventing layer.

The stirring tank with the impeller as described above, wherein the height of the impeller is lower than the height of the blade.

The impeller-equipped stirring tank as described above, wherein the impeller-equipped stirring tank includes a plurality of baffles, each of which is vertically disposed, the plurality of baffles being uniformly distributed along a circumferential direction of the accommodating chamber.

The stirring tank with the impeller as described above, wherein the baffle plate is provided with a plurality of through holes.

The stirring tank with the impeller is characterized in that the inner side wall of the tank body is provided with the clamping groove which is aligned with the baffle, and one side edge of the baffle can be detachably inserted into the clamping groove.

The stirring tank with the impeller comprises an impeller body, a mounting shaft, a bearing and a base, wherein the base is fixedly connected to the inner side wall of the tank body, the outer ring of the bearing is fixedly connected with the base, one end of the mounting shaft is inserted into the inner ring of the bearing, and the other end of the mounting shaft is fixedly connected with the impeller body.

The impeller-equipped stirring tank as described above, wherein the mounting shaft is provided along the axis of the impeller body, and the mounting shaft is perpendicular to the inner side wall of the tank body.

The stirring tank with the impeller is characterized in that a rubber sleeve is sleeved between the mounting shaft and the bearing.

Compared with the prior art, the invention has the following characteristics and advantages:

According to the stirring tank with the impeller, deposited particles at corners are stirred through the impeller arranged near the bottom of the tank body, so that the deposition of the particles at the corners is reduced; the impeller can be rotatably arranged on the tank body, external power is not needed, and the impeller can rotate only by means of the driving of fluid, so that the complexity of equipment is reduced, and the equipment investment and maintenance cost are reduced.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be.

FIG. 1 is an overall schematic of a stirred tank with impeller according to the present invention;

FIG. 2 is a schematic front view of the impeller-equipped agitator tank of the present invention;

FIG. 3 is a schematic top view of the impeller-equipped agitator tank of the present invention;

FIG. 4 is a schematic view of the design of the bearing of the present invention;

FIG. 5 is a schematic illustration of the connection of the impeller body to the bearing of the present invention;

FIG. 6 is a schematic diagram of the connection of the baffle plate and the clamping groove in the invention.

Reference numerals illustrate:

100. A stirring tank with an impeller; 10. A tank body;

11. a clamping groove; 20. A stirrer;

21. A stirring shaft; 22. A paddle;

30. A baffle; 31. A through hole;

40. An impeller; 41. An impeller body;

42. A mounting shaft; 43. A bearing;

44. A base; 45. A rubber sleeve;

50. A motor;

Detailed Description

The details of the invention will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the invention. The specific embodiments of the invention described herein are for purposes of illustration only and are not to be construed as limiting the invention in any way. Given the teachings of the present invention, one of ordinary skill in the related art will contemplate any possible modification based on the present invention, and such should be considered to be within the scope of the present invention.

As shown in fig. 1 to 6, the present invention proposes an impeller-equipped stirring tank 100, the impeller-equipped stirring tank 100 comprising a tank body 10, a stirrer 20, at least one baffle 30 and at least one impeller 40, the tank body 10 being hollow and forming a receiving cavity, the stirrer 20, the baffle 30 and the impeller 40 being disposed in the receiving cavity, the top end of the stirrer 20 being rotatably mounted on the top of the tank body 10, the baffle 30 being detachably mounted on the inner side wall of the tank body 10, the impeller 40 being rotatably mounted on the inner side wall of the tank body 10 and being close to the bottom of the tank body 10.

The stirring tank 100 with the impeller provided by the invention can stir deposited particles at corners through the impeller arranged near the bottom of the tank body 10, so as to reduce the deposition of the particles at the corners; the impeller 40 is rotatably installed on the tank 10 without external power and can be rotated by the driving of fluid, thereby reducing the complexity of the apparatus and reducing the investment and maintenance costs of the apparatus.

In an alternative embodiment of the present invention, the stirring tank 100 with impeller further includes a motor 50, the stirrer 20 includes a stirring shaft 21 and a plurality of paddles 22, the stirring shaft 21 is disposed along the axis of the tank body 10, the top end of the stirring shaft 21 penetrates through the tank body 10 upwards and is connected with the motor 50, the plurality of paddles 22 are fixedly disposed at the bottom end of the stirring shaft 21, and the motor 50 is fixedly disposed at the top end of the tank body 10 and drives the stirring shaft 21 to rotate, so as to drive the paddles 22 to rotate, thereby stirring the drilling fluid.

In an alternative example of this embodiment, the inner wall of the tank 10, the outer wall of the stirring shaft 21, and the outer wall of each blade 22 are coated with a rust-preventing layer for preventing rust and aging of the tank 10, the stirring shaft 21, and the blades 22.

In an alternative example, the rust inhibitive layer is a paint layer.

In an alternative example of this embodiment, the impeller 40 is located at a lower elevation than the blades 22.

In an alternative example, impeller 40 is mounted such that the direction of rotation of impeller 40 is in the direction of the vortex (by stirrer 20).

In an alternative embodiment of the present invention, the impeller agitator tank 100 includes a plurality of baffles 30, each baffle 30 being disposed vertically, the plurality of baffles 30 being uniformly distributed along the circumference of the receiving chamber.

In an alternative embodiment of the present invention, the baffle 30 is provided with a plurality of through holes 31, so as to further disturb the liquid in the tank, and prevent particles from depositing.

In an alternative embodiment of the present invention, the inner sidewall of the tank 10 is provided with a clamping groove 11 aligned with the baffle 30, and one side of the baffle 11 is detachably inserted into the clamping groove 11, so as to facilitate the installation and the removal of the baffle 11.

In an alternative embodiment of the present invention, the impeller 40 includes an impeller body 41, a mounting shaft 42, a bearing 43 and a base 44, the base 44 is fixedly connected to an inner sidewall of the tank 10, an outer ring of the bearing 43 is fixedly connected to the base 44, one end of the mounting shaft 42 is inserted into an inner ring of the bearing 43, and the other end of the mounting shaft is fixedly connected to the impeller body 41. With the above structure, when the liquid in the tank flows, the impeller body 41 rotates under the drive of the fluid, and the rotating impeller body 41 further agitates the particles, so as to finally reduce sand setting.

In an alternative example of this embodiment, the mounting shaft 42 is disposed along the axis of the impeller body 41, and the mounting shaft 42 is perpendicular to the inner side wall of the tank 10.

In an alternative example of this embodiment, a rubber sleeve 45 is provided between the mounting shaft 42 and the bearing 43. Specifically, one end of the rubber sleeve 45 is sleeved outside the bearing 34, and the installation shaft 42 is sleeved outside the installation shaft, so that gravel (particles) is prevented from entering the bearing 34, and smooth operation of the bearing 34 is ensured.

In an alternative example of this embodiment, the mounting shaft 42 is removably inserted into the inner race of the bearing 43 to facilitate installation, maintenance, cleaning, etc.

In an alternative example of this embodiment, the cross section of the accommodating cavity is rectangular, 4 impellers 40 are uniformly distributed along the circumferential direction of the accommodating cavity, and the 4 impellers 40 are respectively arranged at positions near the corners of the inner side wall of the tank body 10. With the above structure, sand (solid particles) is agitated by installing the impeller 40 at the corners of the sand, and the sand is reduced at the four corners.

The stirring tank 100 with the impeller provided by the invention has a simple structure, is easy to manufacture, provides great convenience for installation, maintenance and cleaning, can effectively overcome the defects of dead flowing angle, reduced mixing effect and increased flowing resistance caused by the traditional square tank, improves stirring efficiency, saves energy consumption, has high practicability, and can be widely applied to drilling fluid solid control equipment.

The detailed explanation of the embodiments described above is only for the purpose of explaining the present invention so as to enable a better understanding of the present invention, but these descriptions should not be construed as limiting the present invention in any way, and in particular, the individual features described in the different embodiments may be arbitrarily combined with each other to constitute other embodiments, and these features should be understood as being applicable to any one embodiment, except as explicitly stated to the contrary, without being limited to only the described embodiment.

Claims (11)

1. The utility model provides a take impeller agitator tank, its characterized in that, take impeller agitator tank includes a jar body, agitator, at least one baffle and at least one impeller, the inside cavity of jar body forms the holding chamber, the agitator the baffle with the impeller is all located the holding intracavity, the top of agitator rotationally install in the top of the jar body, the baffle detachably installs on the inside wall of the jar body, the impeller rotationally install on the inside wall of the jar body and be close to the bottom of the jar body.

2. The impeller-driven stirring tank of claim 1, further comprising a motor, wherein the stirrer comprises a stirring shaft and a plurality of paddles, the stirring shaft is arranged along the axis of the tank body, the top end of the stirring shaft penetrates through the tank body upwards and then is connected with the motor, and the paddles are fixedly arranged at the bottom end of the stirring shaft.

3. The impeller agitator tank of claim 2, wherein the inner wall of the tank body, the outer wall of the agitator shaft, and the outer wall of each of the paddles are coated with a rust preventive layer.

4. The impeller agitator tank of claim 2, wherein the impeller is located at a lower elevation than the paddles.

5. The impeller agitator tank of claim 1, wherein the impeller tank comprises a plurality of baffles, each baffle being vertically disposed, the plurality of baffles being evenly distributed along the circumference of the receiving chamber.

6. The impeller agitator tank of claim 1, wherein a plurality of through holes are formed in the baffle plate.

7. The impeller-equipped stirring tank according to claim 1, 5 or 6, wherein a groove aligned with the baffle is formed in the inner side wall of the tank body, and one side edge of the baffle is detachably inserted into the groove.

8. The impeller-equipped stirring tank according to claim 1, wherein the impeller comprises an impeller body, a mounting shaft, a bearing and a base, the base is fixedly connected to the inner side wall of the tank body, the outer ring of the bearing is fixedly connected to the base, one end of the mounting shaft is inserted into the inner ring of the bearing, and the other end of the mounting shaft is fixedly connected to the impeller body.

9. The impeller agitator tank of claim 8, wherein the mounting shaft is disposed along the axis of the impeller body and the mounting shaft is perpendicular to the inner sidewall of the tank.

10. The impeller agitator tank of claim 8, wherein a rubber sleeve is interposed between the mounting shaft and the bearing.

11. The stirring tank with the impeller according to claim 1, wherein the cross section of the accommodating cavity is rectangular, 4 impellers are uniformly distributed along the circumferential direction of the accommodating cavity, and the 4 impellers are respectively arranged at positions, close to corners, of the inner side wall of the tank body.