CN212803110U

CN212803110U - Petroleum drilling fluid sieving mechanism

Info

Publication number: CN212803110U
Application number: CN202021387812.3U
Authority: CN
Inventors: 彭宇
Original assignee: Yangtze University
Current assignee: Yangtze University
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-26
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses an oil drilling fluid sieving mechanism, including screening case, deflector, supporting box, first water pipe, shock attenuation board, connecting block, spring, water pump, water tank, storage box, division board, first discharge gate, second discharge gate, first screening board, clean mouth, vibrating motor, dead lever, shower nozzle, second screening board, second water pipe, separation frame, motor, first baffle, electro-magnet and second baffle. The guide plate rotates to accelerate the separation and downward movement of the drilling fluid, the drilling fluid is primarily screened by matching with the separation frame, the first screening plate and the second screening plate can improve the screening effect of the drilling fluid, and the storage box and the separation plate are favorable for layered discharge of the drilling fluid; when using, the water tank supplies water for first water pipe and second water pipe, and shower nozzle and vibrating motor can promote the clean intensity of first screening board and second screening board, and the switching of clean mouthful is convenient for control to first baffle and second baffle, reduces the impurity after the separation and remains in the screening incasement.

Description

Petroleum drilling fluid sieving mechanism

Technical Field

The utility model relates to a sieving mechanism specifically is an oil drilling fluid sieving mechanism, belongs to drilling fluid sieving mechanism application technical field.

Background

The drilling fluid is a general term for various circulating fluids which meet the requirements of drilling work by multiple functions in the drilling process. The drilling fluid is the blood of the well, also called drilling flushing fluid. The drilling fluid can be divided into clear water, slurry, clay-phase-free flushing fluid, emulsion, foam, compressed air and the like according to the composition. The clear water is suitable for areas with complete rock strata and sufficient water sources. The slurry is suitable for unstable rock formations of hole walls, such as loose rock formations, crack development, easy collapse and block falling, water swelling and peeling, and the like.

The inside impurity that contains of drilling fluid, during the preliminary screening separation, impurity piles up the separation that influences the drilling fluid and moves down speed, and drilling fluid screening number of times is less, and the effect of separation and screening is unsatisfactory, is unfavorable for the use of drilling fluid, and filters the structural impurity that remains easily, piles up at the subsequent screening effect of the inside influence of sieving mechanism, and clean intensity is not enough, is unfavorable for cleaing away and discharging of impurity. Therefore, the petroleum drilling fluid screening device is provided aiming at the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil drilling fluid sieving mechanism just for solving above-mentioned problem.

The utility model discloses a technical scheme realizes above-mentioned purpose, a petroleum drilling fluid sieving mechanism, including screening case, screening mechanism and cleaning mechanism, screening mechanism includes deflector, storage box and separation frame, the separation frame is connected to screening incasement chamber top rigid coupling, the deflector is installed to the separation frame bottom, rotate between deflector and the separation frame and be connected, and separation frame bottom rigid coupling has the storage box, the rigid coupling has the separation plate in the storage box;

clean mechanism includes first water pipe, water pump and water tank, storage box left side rigid coupling has the water tank, water tank top rigid coupling has the water pump, water pump top rigid coupling has a supporting box, the internal rigid coupling of supporting box has first water pipe and second water pipe.

Preferably, two feeding ports are formed in the top of the separation frame, a motor is fixedly connected between the two feeding ports, an output shaft at the bottom of the motor is sleeved on the guide plate, the bottom end of the guide plate is embedded in the bottom wall of the separation frame, and a plurality of through holes are formed in the bottom of the separation frame.

Preferably, the supporting box is fixedly connected to the left side of the bottom of the separating frame, the right side of the first water pipe penetrates through the side wall of the supporting box and then is fixedly connected with two spray heads, the number of the spray heads is three, the other spray head is fixedly connected to the bottom end of the second water pipe, and the other end of the second water pipe is fixedly connected to the top of the first water pipe.

Preferably, supporting box right side has first screening board and second screening board left end through the shock attenuation board rigid coupling, first screening board and second screening board right-hand member rigid coupling are in clean mouthful left side, all seted up a plurality of through-holes on first screening board and the second screening board.

Preferably, both ends difference rigid coupling has first bin outlet and second bin outlet about the separation plate right side, second bin outlet top difference rigid coupling has clean mouth and shock attenuation board, shock attenuation inboard cavity rigid coupling has three spring, the rigid coupling has the connecting block of I shape between the spring.

Preferably, screening case right side is run through there is clean mouthful, the rigid coupling has vibrating motor between the clean mouthful inner wall, clean mouthful outside block has first baffle and second baffle, equal rigid coupling has the dead lever on first baffle and the second baffle, the dead lever runs through clean mouthful lateral wall, just the gomphosis has the electro-magnet on the first baffle.

The utility model has the advantages that:

1. the guide plate rotates to accelerate the separation and downward movement of the drilling fluid, the drilling fluid is primarily screened by matching with the separation frame, the first screening plate and the second screening plate can improve the screening effect of the drilling fluid, and the storage box and the separation plate are favorable for layered discharge of the drilling fluid;

2. when using, the water tank supplies water for first water pipe and second water pipe, and shower nozzle and vibrating motor can promote the clean intensity of first screening board and second screening board, and the switching of clean mouthful is convenient for control to first baffle and second baffle, reduces the impurity after the separation and remains in the screening incasement.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the guide plate of the present invention;

FIG. 3 is a schematic view of the internal structure of the damping plate of the present invention;

fig. 4 is a schematic view of the structure of the cleaning opening of the present invention.

In the figure: 1. screening case, 2, deflector, 3, supporting box, 4, first water pipe, 5, damper plate, 501, connecting block, 502, spring, 6, water pump, 7, water tank, 8, storage box, 9, division board, 10, first discharge gate, 11, second discharge gate, 12, first screening board, 13, clean mouthful, 1301, vibrating motor, 1302, dead lever, 14, shower nozzle, 15, second screening board, 16, second water pipe, 17, separation frame, 18, motor, 19, first baffle, 1901, electro-magnet, 20, second baffle.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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 belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the petroleum drilling fluid screening device comprises a screening box 1, a screening mechanism and a cleaning mechanism, wherein the screening mechanism comprises a guide plate 2, a storage box 8 and a separation frame 17, the separation frame 17 is fixedly connected to the top of an inner cavity of the screening box 1, the guide plate 2 is installed at the bottom of the separation frame 17, the guide plate 2 is rotatably connected with the separation frame 17, the storage box 8 is fixedly connected to the bottom of the separation frame 17, and a separation plate 9 is fixedly connected to the interior of the storage box 8;

clean mechanism includes first water pipe 4, water pump 6 and

water tank

7, 8 left sides rigid couplings of storage box have

water tank

7, 7 top rigid couplings of water tank have

water pump

6, 6 top rigid couplings of water pump have supporting box 3, the rigid coupling has first water pipe 4 and second water pipe 16 in the supporting box 3.

The top of the separation frame 17 is provided with two feeding ports, a motor 18 is fixedly connected between the two feeding ports, an output shaft at the bottom of the motor 18 is sleeved on the guide plate 2, the bottom end of the guide plate 2 is embedded in the bottom wall of the separation frame 17, and the bottom of the separation frame 17 is provided with a plurality of through holes, so that the guide plate 2 and the separation frame 17 can be used for preliminary screening and separation of drilling fluid; the support box 3 is fixedly connected to the left side of the bottom of the separation frame 17, the right side of the first water pipe 4 penetrates through the side wall of the support box 3 and then is fixedly connected with two spray heads 14, the number of the spray heads 14 is three, the other spray head 14 is fixedly connected to the bottom end of the second water pipe 16, and the other end of the second water pipe 16 is fixedly connected to the top of the first water pipe 4, so that the first water pipe 4 and the second water pipe 16 can be conveniently installed and fixed; the left ends of a first screening plate 12 and a second screening plate 15 are fixedly connected to the right side of the supporting box 3 through a damping plate 5, the right ends of the first screening plate 12 and the second screening plate 15 are fixedly connected to the left side of the cleaning opening 13, and a plurality of through holes are formed in the first screening plate 12 and the second screening plate 15, so that the first screening plate 12 and the second screening plate 15 can screen and filter drilling fluid for the second time; a first discharge port 10 and a second discharge port 11 are fixedly connected to the upper end and the lower end of the right side of the separation plate 9 respectively, a cleaning port 13 and a damping plate 5 are fixedly connected to the upper portion of the second discharge port 11 respectively, three springs 502 are fixedly connected to the inner cavity of the damping plate 5, and an I-shaped connecting block 501 is fixedly connected between the springs 502 so that the damping plate 5 can damp and protect the support box 3; screening case 1 right side is run through there is clean mouthful 13, the rigid coupling has vibrating motor 1301 between the clean mouthful 13 inner wall, clean mouthful 13 outside block has first baffle 19 and second baffle 20, equal rigid coupling has dead lever 1302 on first baffle 19 and the second baffle 20, dead lever 1302 runs through clean mouthful 13 lateral wall, just the gomphosis has electro-magnet 1901 on the first baffle 19, the switching of the clean mouthful 13 of first baffle 19 of being convenient for and second baffle 20 control.

When the utility model is used, the electric elements in the application are externally connected with a power supply and a control switch when in use, firstly, drilling fluid is injected from a feeding port, the drilling fluid enters a separation frame 17, a motor 18 drives a guide plate 2 to rotate to accelerate the separation and the infiltration of the drilling fluid, the separated drilling fluid enters a storage box 8 after being secondarily screened and filtered by a second screening plate 15 and a first screening plate 12, a filtering membrane is arranged on a separation plate 9, the drilling fluid with different densities can be separated, the drilling fluid can be conveniently taken out from a first discharging port 10 and a second discharging port 11 respectively, the screening effect is better after multiple times of filtering and separation, a water pump 6 sends the water in a water tank 7 into a first water pipe 4, a second water pipe 16 bypasses the separation frame 17 and is positioned at the right side of the top of the second screening plate 15, the flushing area of a nozzle 14 can be increased, an electromagnetic valve at the bottom of an inner cavity of a support box 3 is opened, the first screening plate 12 and the second screening plate 15 are cleaned and flushed by, reduce the residue of impurity, but the suction second baffle 20 after the electro-magnet 1901 on the first baffle 19 circular telegram, it is closed to clean mouthful 13, electro-magnet 1901 outage, utilize dead lever 1302 to make first baffle 19 and second baffle 20 remove in clean mouthful 13, open clean mouthful 13, vibrating motor 1301 can vibrate first screening board 12 and second screening board 15, shift after vibrating residual impurity, discharge from clean mouthful 13, the inside spring 502 of damper plate 5 and the connecting block 501 of rubber material can slow down rocking of supporting box 3 and separation frame 17.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a petroleum drilling fluid sieving mechanism which characterized in that: the screening device comprises a screening box (1), a screening mechanism and a cleaning mechanism, wherein the screening mechanism comprises a guide plate (2), a storage box (8) and a separation frame (17), the separation frame (17) is fixedly connected to the top of an inner cavity of the screening box (1), the guide plate (2) is installed at the bottom of the separation frame (17), the guide plate (2) is rotatably connected with the separation frame (17), the storage box (8) is fixedly connected to the bottom of the separation frame (17), and the separation plate (9) is fixedly connected into the storage box (8);

clean mechanism includes first water pipe (4), water pump (6) and water tank (7), storage box (8) left side rigid coupling has water tank (7), water tank (7) top rigid coupling has water pump (6), water pump (6) top rigid coupling has supporting box (3), the rigid coupling has first water pipe (4) and second water pipe (16) in supporting box (3).

2. The oil drilling fluid screening device of claim 1, wherein: two pan feeding mouths have been seted up at separation frame (17) top, two the rigid coupling has motor (18) between the pan feeding mouth, the output shaft of motor (18) bottom cup joints on deflector (2), deflector (2) bottom gomphosis is in separation frame (17) diapire, a plurality of through-holes have been seted up to separation frame (17) bottom.

3. The oil drilling fluid screening device of claim 1, wherein: support case (3) rigid coupling in separation frame (17) bottom left side, the rigid coupling has two shower nozzles (14) after first water pipe (4) right side runs through support case (3) lateral wall, shower nozzle (14) are three totally, another shower nozzle (14) rigid coupling is in second water pipe (16) bottom, second water pipe (16) other end rigid coupling is at first water pipe (4) top.

4. The oil drilling fluid screening device of claim 1, wherein: supporting box (3) right side has first screening board (12) and second screening board (15) left end through damper plate (5) rigid coupling, first screening board (12) and second screening board (15) right-hand member rigid coupling are in clean mouthful (13) left side, all seted up a plurality of through-holes on first screening board (12) and second screening board (15).

5. The oil drilling fluid screening device of claim 1, wherein: both ends difference rigid coupling has first bin outlet (10) and second bin outlet (11) about separation plate (9) right side, second bin outlet (11) top rigid coupling has clean mouth (13) and shock attenuation board (5) respectively, shock attenuation board (5) inner chamber rigid coupling has three spring (502), the rigid coupling has connecting block (501) of I shape between spring (502).

6. The oil drilling fluid screening device of claim 1, wherein: screening case (1) right side is run through and is had clean mouthful (13), the rigid coupling has vibrating motor (1301) between clean mouthful (13) inner wall, clean mouthful (13) outside block has first baffle (19) and second baffle (20), equal rigid coupling has dead lever (1302) on first baffle (19) and second baffle (20), dead lever (1302) run through clean mouthful (13) lateral wall, just gomphosis has electro-magnet (1901) on first baffle (19).