CN219548829U - Cleaning, separating and sand removing device for drilling fluid - Google Patents

Abstract

The utility model discloses a cleaning and separating sand remover for drilling fluid, and belongs to the technical field of sand removers. The utility model comprises a desander main body, a pollution discharge cavity and a feeding cavity which are communicated with the desander main body, wherein the feeding cavity comprises a shell, a feeding hole is formed in one side face of the shell, a feeding pipe is arranged in the other side face of the shell, the feeding pipe is communicated with the desander main body, an opening is formed in the other side face of the shell, a filter plate is rotatably connected to the inner wall of the shell, the filter plate is rotatably connected with the shell through a rotating rod near the opening, a plurality of through holes are formed in the surface of the filter plate, an electric cylinder is fixedly arranged on the lower surface of the inner part of the shell, an ejector rod is connected to the output end of the electric cylinder, and the top end of the ejector rod is rotatably connected with the lower surface of the filter plate. According to the utility model, through the arrangement of the feeding cavity, the electric cylinder, the filter plate, the through hole, the opening and the sealing plate, the crushed slag with the processing capacity greater than that of the sand remover can be prevented from entering the sand remover, the separation effect is better, the sand remover is protected, and the service life of the sand remover is prolonged.

Description

Cleaning, separating and sand removing device for drilling fluid

Technical Field

The utility model belongs to the technical field of sand removers, and particularly relates to a drilling fluid cleaning and separating sand remover.

Background

The drilling fluid cleaning separator is applied to the fields of drilling and drilling, and mainly aims to solve the problem of separation of drilling fluid and mud and sand in the drilling process, and the sand remover is an important component in the equipment and plays an important role in mud and sand separation work.

The utility model discloses a "clean separation desander of drilling fluid" of publication No. CN215804424U, including installing desander body and the separator in the frame, the upper portion of desander body is provided with first drain and first feed inlet, be provided with feed cavity and blowdown chamber in the separator, the bottom of feed cavity is provided with the second feed inlet, first feed inlet passes through inlet pipe and feed cavity intercommunication, the position of blowdown chamber is provided with the second drain, first drain passes through back flow and blowdown chamber intercommunication ", although this patent can improve the velocity of flow when entering, increase the raise dust of drilling fluid, nevertheless because the drilling fluid gets into from the feed cavity below when getting into in the desander from the feed cavity top, the condition that impurity pile up in the feed cavity bottom in the drilling fluid appears easily, and there is no prefilter, the big impurity entering desander of the bulk impurity that surpasses desander throughput can appear.

Disclosure of Invention

The utility model aims to provide a cleaning, separating and sand removing device for drilling fluid, which solves the problems that impurities are accumulated at the bottom of a feeding cavity and a filtering structure does not exist in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a drilling fluid cleaning and separating sand remover which comprises a sand remover main body, a pollution discharge cavity and a feeding cavity, wherein the pollution discharge cavity and the feeding cavity are communicated with the sand remover main body, the feeding cavity comprises a shell, a feeding hole is formed in one side surface of the shell, a feeding pipe is arranged in the other side surface of the shell, the feeding pipe is communicated with the sand remover main body, an opening is formed in the other side surface of the shell, a filter plate is rotatably connected to the inner wall of the shell, the filter plate is rotatably connected with the shell through a rotating rod at the position close to the opening, a plurality of through holes are formed in the surface of the filter plate, an electric cylinder is fixedly arranged on the lower surface of the inner part of the shell, an ejector rod is connected to the output end of the electric cylinder, and the top end of the ejector rod is rotatably connected with the lower surface of the filter plate.

Preferably, the upper surface of the opening is provided with a containing groove, and the lower surface of the opening is provided with a sealing groove.

Preferably, the shell is at opening part swing joint has the closure board, closure board and holding tank size looks adaptation and sliding fit, closure board and seal groove size looks adaptation and closely laminating.

Preferably, a water stop plate is arranged on the lower surface of the inner part of the shell, and the water stop plate seals the electric cylinder.

Preferably, the through hole is arranged at a position avoiding the electric cylinder, and the opening is matched with the size of the filter plate.

Preferably, the bottom end of the main body of the sand remover is provided with a sand discharge port, the top end of the main body of the sand remover is provided with a return pipe, and the output end of the return pipe is communicated with the sewage draining cavity.

Preferably, a drain outlet is arranged on one side surface of the drain cavity.

The utility model has the following beneficial effects:

1. according to the utility model, the feeding cavity, the electric cylinder, the filter plate, the through hole, the opening and the sealing plate are arranged, when the sand remover is used, drilling fluid enters the feeding cavity and is filtered by the filter plate, the through hole on the filter plate is larger in size and only filters larger slag, the drilling fluid and smaller slag are continuously conveyed into the sand remover main body along the feeding cavity, when the slag blocks the filter plate more, the sealing plate can be opened, the electric cylinder props up one end of the filter plate to enable the filter plate to incline, so that larger slag is poured out from the opening, and after pouring, the filter plate is reset again and the sealing plate is closed for filtering, so that slag with the processing capacity greater than that of the sand remover can be prevented from entering the sand remover, the separation effect is better, the sand remover is protected, and the service life of the sand remover is prolonged.

2. According to the utility model, the positions of the sewage discharging cavity and the feeding cavity are changed, so that the slag in the feeding cavity is prevented from precipitating at the bottom of the feeding cavity, the slag is prevented from accumulating to block the feeding hole, the using effect is better, and the maintenance cost is reduced.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a cleaning and separating sand remover for drilling fluid;

FIG. 2 is an elevation view of a drilling fluid cleaning and separating sand remover of the present utility model;

FIG. 3 is a side view of a drilling fluid cleaning and separating sand remover of the present utility model;

FIG. 4 is a schematic cross-sectional view of a drilling fluid cleaning and separating sand remover of the present utility model;

fig. 5 is an enlarged view of fig. 4 at a in accordance with the present utility model.

In the drawings, the list of components represented by the various numbers is as follows: 1. a desander body; 2. a sand discharge port; 3. a return pipe; 4. a blow-down chamber; 5. a sewage outlet; 6. a feed chamber; 601. a housing; 602. a feed inlet; 603. a feed pipe; 604. an opening; 605. a receiving groove; 606. sealing grooves; 607. a closing plate; 608. a water-stop plate; 609. an electric cylinder; 610. a push rod; 611. a filter plate; 612. a through hole; 613. and rotating the rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, the utility model discloses a drilling fluid cleaning and separating sand remover, which comprises a sand remover main body 1, a pollution discharge cavity 4 and a feeding cavity 6, wherein the pollution discharge cavity 4 and the feeding cavity 6 are communicated with the sand remover main body 1, the feeding cavity 6 comprises a shell 601, a feeding hole 602 is formed in one side surface of the shell 601, a feeding pipe 603 is formed in the other side surface of the shell 601, the feeding pipe 603 is communicated with the sand remover main body 1, an opening 604 is formed in the other side surface of the shell 601, a filter plate 611 is rotatably connected to the inner wall of the shell 601, the position, close to the opening 604, of the filter plate 611 is rotatably connected with the shell through a rotating rod 613, a plurality of through holes 612 are formed in the surface of the filter plate 611, an electric cylinder 609 is fixedly arranged on the lower surface of the inner part of the shell 601, an ejector rod 610 is connected to the output end of the electric cylinder 609, and the top end of the ejector rod 610 is rotatably connected with the lower surface of the filter plate 611.

During use, drilling fluid enters the feeding cavity 6 through the feeding port 602 and then falls on the filter plate 611, drilling fluid and impurities conforming to the separation processing capacity of the sand remover pass through the through holes 612 of the filter plate 611, and larger impurities larger than the processing capacity of the sand remover are blocked by the filter plate 611 above, so that larger impurities in the drilling fluid are removed, filtered drilling fluid is sent into the sand remover main body 1 through the feeding pipe 603 for processing, after the filter plate 611 filters excessive drilling fluid, the filter plate 611 is blocked by the larger impurities, the ejector rod 610 can be lifted through the electric cylinder 609 at the moment, one side of the filter plate 611 is jacked up, the filter plate 611 is inclined, and the impurities on the filter plate 611 are poured out from the opening 604.

The opening 604 upper surface is equipped with the holding tank 605, the opening 604 lower surface is equipped with seal groove 606, shell 601 is in opening 604 department swing joint has closure plate 607, closure plate 607 is closed under the normal condition, thereby the closed opening 604 prevents the weeping, closure plate 607 and holding tank 605 size looks adaptation and sliding fit, when opening closure plate 607, closure plate 607 upwards moves into holding tank 605, various structures that can reach the effect such as the use lead screw of moving structure, various structures such as chain can all, closure plate 607 and seal groove 606 size looks adaptation and closely laminating, the bottom inserts in the seal groove 606 when closure plate 607 is closed, thereby the inside lower surface of shell 601 is equipped with water-stop plate 608, water-stop plate 608 seals up electric jar 609, water-stop plate 608 protects electric jar 609, prevent that the drilling fluid that falls from getting into electric jar 609, through-hole 612 sets up the position and keeps away electric jar 609, make drilling fluid avoid electric jar 609 when falling down, further prevent drilling fluid on electric jar 609, opening 604 and filter plate 611 size looks adaptation, after the jack-up, can pour out from opening 604, impurity from opening 604, body 1 is equipped with back-off 2 and sand drain 3 is equipped with back-off 2 from the drain 4, drain 4 is equipped with drain 4 from the drain 4, drain 4 is located at the drain 4, drain 4 is separated from the bottom 1 from drain 2, drain 4.

The working principle of the utility model is as follows: through changing into the feeding chamber 6 and set up alone and by the top feeding, can prevent that the impurity in the drilling fluid from appearing from precipitating in feeding chamber 6 bottom, the inside filter plate 611 of feeding chamber 6 can filter great impurity simultaneously, prevents to have the impurity that surpasses the throughput of desander main part 1 to get into in the desander main part 1, protects desander main part 1.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a clean separation desander of drilling fluid, includes desander main part (1) and with blowdown chamber (4), feed chamber (6) of desander main part (1) intercommunication, feed chamber (6) are including shell (601), shell (601) one side is equipped with feed inlet (602), shell (601) another side is equipped with inlet pipe (603), inlet pipe (603) are linked together its characterized in that with desander main part (1):

the novel filter plate is characterized in that an opening (604) is formed in the other side face of the shell (601), a filter plate (611) is rotatably connected to the inner wall of the shell (601), the filter plate (611) is connected with the shell in a rotating mode through a rotating rod (613) close to the opening (604), a plurality of through holes (612) are formed in the surface of the filter plate (611), an electric cylinder (609) is fixedly mounted on the lower surface of the inner portion of the shell (601), an ejector rod (610) is connected to the output end of the electric cylinder (609), and the top end of the ejector rod (610) is connected with the lower surface of the filter plate (611) in a rotating mode.

2. The drilling fluid cleaning and separating sand remover according to claim 1, wherein the upper surface of the opening (604) is provided with a containing groove (605), and the lower surface of the opening (604) is provided with a sealing groove (606).

3. The drilling fluid cleaning and separating sand remover according to claim 2, characterized in that the casing (601) is movably connected with a sealing plate (607) at the opening (604), the sealing plate (607) is matched with the accommodating groove (605) in size and in sliding fit, and the sealing plate (607) is matched with the sealing groove (606) in size and is tightly attached.

4. A drilling fluid cleaning and separating sand remover according to claim 3, characterized in that the lower surface of the interior of the housing (601) is provided with a water-stop plate (608), said water-stop plate (608) closing the electric cylinder (609).

5. The drilling fluid cleaning and separating sand remover according to claim 4, characterized in that the through hole (612) is arranged at a position avoiding the electric cylinder (609), and the opening (604) is matched with the size of the filter plate (611).

6. The drilling fluid cleaning and separating sand remover according to claim 5, wherein a sand discharge port (2) is formed in the bottom end of the sand remover main body (1), a return pipe (3) is arranged at the top end of the sand remover main body (1), and the output end of the return pipe (3) is communicated with the sewage draining cavity (4).

7. A drilling fluid cleaning and separating sand remover according to claim 6, characterized in that a drain outlet (5) is arranged on one side of the drain cavity (4).