CN218553774U

CN218553774U - Stirring equipment for low-pressure mud pit

Info

Publication number: CN218553774U
Application number: CN202222318948.4U
Authority: CN
Inventors: 舒福苓; 张英明; 刘超
Original assignee: Tianjin Haoheida Ocean Engineering Co ltd
Current assignee: Tianjin Haoheida Ocean Engineering Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-03-03
Anticipated expiration: 2032-09-01

Abstract

The utility model relates to a agitated vessel for low pressure mud pit, including mud pit body, the top of mud pit body is provided with the mounting bracket, rotate on the mounting bracket and install the (mixing) shaft, the cooperation (mixing) shaft is provided with actuating mechanism on the mounting bracket, the middle part of (mixing) shaft is provided with stirring vane, the bottom is provided with impeller, stirring vane has the spiral curvature, the slope is provided with a plurality of auxiliary shafts on the mounting bracket, all be provided with a plurality of stirring posts on every auxiliary shaft, be provided with the transmission structure between (mixing) shaft and the auxiliary shaft, the symmetry is provided with two sets of spliced poles on the (mixing) shaft, the inner wall of the tail end cooperation mud pit body of every group spliced pole is provided with scrapes the mud frame, the utility model discloses top, bottom and outlying stirring are efficient to this internal holistic mud stirring homogeneity of mud pit.

Description

Stirring equipment for low-pressure mud pit

Technical Field

The utility model relates to a mud stirring technical field specifically is a agitated vessel for low pressure mud pit.

Background

The low-pressure mud system is used as a conventional and core system of an ocean drilling platform and mainly comprises mud storage and conveying, mud mixing and mud treatment processes. The mud is used as the working medium necessary for drilling, and is prepared by uniformly mixing clay, barite and various chemical treatment agents according to a specific proportion to form a liquid mixture in a base liquid and supplying the liquid mixture to a high-pressure mud system.

In the mud mixing stage, the raw materials in the low-pressure mud pit need to be stirred by a stirring device so as to form a qualified mud mixture.

The existing stirring equipment mainly drives the stirring shaft to rotate through the driving motor, and the stirring blade is installed on the stirring shaft, raw material stirring in the low-pressure slurry tank is carried out through the stirring blade, the stirring blade is installed at the middle part of the stirring shaft in a full-length mode, but in the mode, the slurry at the bottom layer is easy to generate the phenomenon of bottom sinking due to the fact that the stirring blade is not turned in place, even the condition of layering of the slurry in the low-pressure settling tank can be generated, the mixing uniformity and the stirring efficiency of the slurry are influenced, in addition, in the stirring process of the stirring blade, the length of the stirring blade is limited, a boundary can be formed along the rotating area of the stirring blade, the mixing efficiency of the slurry at the periphery of the boundary is slower, the slurry needing to wait for the inner periphery is gradually brought into the rotating area of the blade, stirring can be realized, the condition that the peripheral slurry is adhered to the side of the settling tank is easy to be caused, and the whole mixing uniformity is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a agitated vessel for low pressure mud pond to agitated vessel stirs inefficiency in the prior art that proposes among the solution above-mentioned background art low pressure mud pond, and the homogeneity is poor, appears the problem of layering easily.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a stirring equipment for low pressure mud pit, includes mud pit body, the top of mud pit body is provided with the mounting bracket, rotate on the mounting bracket and install the (mixing) shaft, the cooperation (mixing) shaft is provided with actuating mechanism on the mounting bracket, the middle part of (mixing) shaft is provided with stirring vane, and the bottom is provided with impeller, stirring vane has the spiral curvature, the slope is provided with a plurality of auxiliary shafts on the mounting bracket, every all be provided with a plurality of stirring posts on the auxiliary shaft, be provided with the transmission structure between (mixing) shaft and the auxiliary shaft, the symmetry is provided with two sets of spliced poles on the (mixing) shaft, every group the inner wall of the tail end cooperation mud pit body of spliced pole is provided with scrapes the mud frame.

As a further aspect of the present invention: be provided with the drag reduction slope on scraping the mud frame, reduce the resistance of scraping the mud frame when this internal rotation of mud pit, reduce the power consumption, drag reduction slope and scrape and form between the outward flange of mud frame and scrape the mud flange, scrape through scraping the mud flange and get the higher mud of adhesion on mud pit body inner wall.

As a further aspect of the present invention: the transmission structure comprises a driving gear arranged on the stirring shaft, each auxiliary shaft is provided with a driven gear, each driven gear is meshed with the driving gear, and the driving of the auxiliary shaft is realized through the matching of the driving gear and the driven gear.

As a further aspect of the present invention: the mounting bracket is provided with a first bearing in a matching way with the stirring shaft, so that the rotation smoothness of the stirring shaft on the mounting bracket is enhanced, and a second bearing is arranged in a matching way with the auxiliary shaft on the mounting bracket, so that the rotation smoothness of the auxiliary shaft on the mounting bracket is improved.

As the utility model discloses further scheme again: the bottom of (mixing) shaft is provided with the erection column, is provided with the third bearing between the bottom of erection column and mud pond body, and the erection column rotates through the third bearing and installs in the bottom of mud pond body, makes the bottom of (mixing) shaft stable and rotatable installation in the inside bottom of mud pond body through the cooperation of erection column and third bearing, improves the installation stability of (mixing) shaft.

As the utility model discloses further scheme again: the driving mechanism comprises a motor, the output end of the motor is connected with a speed reducer, the output end of the speed reducer is connected with the top end of the stirring shaft, and the stirring shaft is driven through the matching of the motor and the speed reducer.

As a further aspect of the present invention: the mounting frame is provided with a fixing frame, and the motor and the speed reducer are installed on the fixing frame, so that the motor and the speed reducer can be stably installed on the mounting frame.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses a motor and speed reducer provide drive power for the rotation of (mixing) shaft, drive stirring vane through the (mixing) shaft and rotate, realize the stirring of this internal mud of mud pit, and simultaneously, when the (mixing) shaft rotates, the impeller that can drive the bottom rotates, can stir the mud of mud pit body bottom through impeller, prevents that the mud of mud pit body bottom from producing the phenomenon of deposit layering, improves the homogeneity of this internal mud stirring of mud pit, improves stirring efficiency, simultaneously, the utility model discloses well stirring vane has the spiral curvature, can improve the stirring effect to mud when rotating, further improves the stirring effect and the stirring homogeneity of this internal mud of mud pit, avoids appearing the phenomenon of mud at this internal layering of mud pit.

2. The utility model discloses rotate through the second bearing and install the auxiliary shaft on the mounting bracket to be provided with the stirring post on the auxiliary shaft, couple together the cooperation transmission through driving gear and driven gear between auxiliary shaft and the (mixing) shaft simultaneously, can realize the drive of auxiliary shaft like this, drive the puddler through the auxiliary shaft and rotate, can improve the stirring effect of this internal top mud of mud pit.

And simultaneously, the utility model discloses be connected with the mud frame of scraping through the spliced pole in the both sides of (mixing) shaft to be provided with the drag reduction slope on scraping the mud frame, and drag reduction slope and scrape and form between the mud frame and scrape the mud flange, through scraping the mud frame, the cooperation of scraping mud flange and spliced pole can stir the mud that is in stirring vane rotating area outlying space, can scrape the mud of adhesion on mud pond body inner wall simultaneously and get, improve the inside outlying stirring uniformity of mud pond body, improve holistic stirring effect.

Drawings

FIG. 1 is a schematic view of the overall structure of a stirring apparatus for a low-pressure mud pit according to the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a first schematic view of the connection structure between the mounting frame, the stirring shaft and the auxiliary shaft of the present invention;

FIG. 4 is a schematic view of a connection structure between the mounting frame, the stirring shaft and the auxiliary shaft of the present invention;

fig. 5 is a schematic view of a partial structure of the middle mud scraping frame of the present invention.

In the figure: 1. a mud pit body; 2. a mounting frame; 3. a stirring shaft; 4. a stirring blade; 5. a stirring impeller; 6. an auxiliary shaft; 7. a stirring column; 8. connecting columns; 9. a mud scraping frame; 10. a drag reduction ramp; 11. a mud scraping flange; 12. a driving gear; 13. a driven gear; 14. a first bearing; 15. a second bearing; 16. mounting a column; 17. a third bearing; 18. a motor; 19. a speed reducer; 20. a fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1 to 5, in the embodiment of the present invention:

the utility model provides a stirring equipment for low pressure mud pit, including mud pit body 1, the top of mud pit body 1 is provided with mounting bracket 2, it installs (mixing) shaft 3 to rotate on the mounting bracket 2, it is provided with actuating mechanism to cooperate (mixing) shaft 3 on the mounting bracket 2, the middle part of (mixing) shaft 3 is provided with stirring vane 4, the bottom is provided with impeller 5, stirring vane 4 has the spiral curvature, the slope is provided with a plurality of auxiliary shafts 6 on the mounting bracket 2, all be provided with a plurality of stirring posts 7 on every auxiliary shaft 6, be provided with the transmission structure between (mixing) shaft 3 and the auxiliary shaft 6, the symmetry is provided with two sets of spliced poles 8 on the (mixing) shaft 3, the inner wall of every set of spliced pole 8's tail end cooperation mud pit body 1 is provided with scrapes mud frame 9.

In the embodiment of the present invention: be provided with drag reduction slope 10 on the mud scraping frame 9, form between the outward flange of scraping mud scraping frame 9 and drag reduction slope 10, can reduce the resistance when scraping mud scraping frame 9 and rotating through setting up of drag reduction slope 10, reduce the power consumption, can be better scrape the adhesion mud on mud tank body 1 lateral wall through the setting of scraping mud flange 11 and get, improve the mixing uniformity of mud in the mud tank body 1.

In the embodiment of the present invention: transmission structure is including setting up driving gear 12 on (mixing) shaft 3, all be provided with driven gear 13 on every auxiliary shaft 6, intermeshing between every driven gear 13 and the driving gear 12, when (mixing) shaft 3 rotates, can drive driving gear 12 and rotate, it rotates to drive driven gear 13 to rotate through driving gear 12, it can realize the rotation of auxiliary shaft 6 to rotate through driven gear 13, rotation through auxiliary shaft 6 can drive stirring column 7 rotation on it, thereby stir the mud at 1 top of mud pond body, strengthen mud stirring uniformity and stirring efficiency in the mud pond body 1.

In the embodiment of the present invention: the mounting bracket 2 is provided with a first bearing 14 in cooperation with the stirring shaft 3, so that the smoothness of rotation between the stirring shaft 3 and the mounting bracket 2 can be enhanced, the mounting bracket 2 is provided with a second bearing 15 in cooperation with the auxiliary shaft 6, and the smoothness of rotation of the auxiliary shaft 6 on the mounting bracket 2 is ensured.

In the embodiment of the present invention: the bottom of (mixing) shaft 3 is provided with erection column 16, is provided with third bearing 17 between the bottom of erection column 16 and mud pit body 1, and erection column 16 rotates through third bearing 17 and installs in the bottom of mud pit body 1, is connected fixedly between the bottom of (mixing) shaft 3 through third bearing 17 and mud pit body 1, can improve the installation stability of (mixing) shaft 3 to make (mixing) shaft 3 more stable when driving stirring vane 4 and rotate.

In the embodiment of the present invention: the driving mechanism comprises a motor 18, the output end of the motor 18 is connected with a speed reducer 19, the output end of the speed reducer 19 is connected with the top end of the stirring shaft 3, and driving is provided for rotation of the stirring shaft 3 through matching of the motor 18 and the speed reducer 19.

In the embodiment of the utility model,: the mounting frame 2 is provided with a fixing frame 20, the motor 18 and the speed reducer 19 are installed on the fixing frame 20, and the motor 18 and the speed reducer 19 are stably installed on the mounting frame 2 through the fixing frame 20.

Example 2:

referring to fig. 1 to 5, the utility model relates to a stirring equipment for low pressure mud pond, in use, starting motor 18 and speed reducer 19, rotation for (mixing) shaft 3 provides drive power through motor 18 and speed reducer 19, it rotates to drive stirring vane 4 through (mixing) shaft 3, realize the stirring of mud in mud pond body 1, and simultaneously, when (mixing) shaft 3 rotates, can drive the impeller 5 rotation of bottom, can stir the mud of mud pond body 1 bottom through impeller 5, prevent that the mud of mud pond body 1 bottom from producing the phenomenon of deposit layering, improve the homogeneity of mud stirring in mud pond body 1, improve stirring efficiency, and simultaneously, the utility model discloses well stirring vane 4 has the spiral curvature, can improve the effect of stirring to mud when rotating, further improve the stirring effect and the stirring homogeneity of mud in mud pond body 1, avoid appearing the phenomenon of mud layering in mud pond body 1.

Example 3:

referring to fig. 1 to 5, on the basis of embodiment 2, the utility model discloses rotate through second bearing 15 on mounting bracket 2 and install auxiliary shaft 6, and be provided with stirring post 7 on auxiliary shaft 6, couple together the cooperation transmission through driving gear 12 and driven gear 13 between auxiliary shaft 6 and the (mixing) shaft 3 simultaneously, can realize the drive of auxiliary shaft 6 like this, drive the puddler rotation through auxiliary shaft 6, can improve the stirring effect of top mud in mud pit body 1, simultaneously the utility model discloses be connected with mud scraping frame 9 through spliced pole 8 in the both sides of (mixing) shaft 3, and be provided with drag reduction slope 10 on mud scraping frame 9, and form mud scraping flange 11 between drag reduction slope 10 and the mud scraping frame 9, can stir the mud that is in stirring vane 4 rotation region peripheral space through mud scraping frame 9, mud scraping flange 11 and spliced pole 8's cooperation, can scrape the adhesion on mud pit body 1 inner wall simultaneously and get, improve the inside peripheral stirring homogeneity of mud pit body 1, improve holistic stirring effect.

In all the above-mentioned schemes, the connection between two components can be selected according to the actual situation, the matching connection of the welding, the bolt and the nut, the bolt or the screw connection or other known connection methods are not repeated herein, and all the above-mentioned schemes relate to the fixed connection, and the welding is considered preferentially, and above, it is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and according to the technical scheme of the present invention and the utility model concept of the present invention equivalent replacement or change, all should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a stirring equipment for low pressure mud pit, includes mud pit body (1), the top of mud pit body (1) is provided with mounting bracket (2), it installs (mixing) shaft (3) to rotate on mounting bracket (2), cooperation (mixing) shaft (3) are provided with actuating mechanism, its characterized in that on mounting bracket (2): the middle part of (mixing) shaft (3) is provided with stirring vane (4), and the bottom is provided with impeller (5), stirring vane (4) have the spiral curvature, slope on mounting bracket (2) is provided with a plurality of auxiliary shafts (6), every all be provided with a plurality of stirring post (7) on auxiliary shaft (6), be provided with the transmission structure between (mixing) shaft (3) and auxiliary shaft (6), the symmetry is provided with two sets of spliced poles (8) on (mixing) shaft (3), every group the inner wall of tail end cooperation mud pit body (1) of spliced pole (8) is provided with scrapes mud frame (9).

2. The mixing apparatus of claim 1, wherein: be provided with drag reduction slope (10) on mud scraping frame (9), form mud scraping flange (11) between drag reduction slope (10) and the outward flange of mud scraping frame (9).

3. The mixing apparatus for a low pressure mud pit according to claim 1, wherein: the transmission structure comprises a driving gear (12) arranged on the stirring shaft (3), each auxiliary shaft (6) is provided with a driven gear (13), and the driven gears (13) and the driving gear (12) are meshed with each other.

4. The mixing apparatus of claim 1, wherein: the mounting bracket (2) is provided with a first bearing (14) in a matching mode with the stirring shaft (3), and the mounting bracket (2) is provided with a second bearing (15) in a matching mode with the auxiliary shaft (6).

5. The mixing apparatus for a low pressure mud pit according to claim 4, wherein: the bottom of (mixing) shaft (3) is provided with erection column (16), is provided with third bearing (17) between the bottom of erection column (16) and mud pit body (1), and just the erection column (16) rotate through third bearing (17) and install the bottom at mud pit body (1).

6. The mixing apparatus of claim 1, wherein: the driving mechanism comprises a motor (18), the output end of the motor (18) is connected with a speed reducer (19), and the output end of the speed reducer (19) is connected with the top end of the stirring shaft (3).

7. The mixing apparatus for a low pressure mud pit according to claim 6, wherein: a fixing frame (20) is arranged on the mounting frame (2), and the motor (18) and the speed reducer (19) are installed on the fixing frame (20).