Drilling fluid purification device

Abstract

The utility model discloses a drilling fluid purifying device which comprises a drilling fluid desander, a support is fixedly installed on the outer surface of the lower end of the drilling fluid desander, a liquid outlet is fixedly installed in the middle of the outer surface of the upper end of the drilling fluid desander, and a liquid inlet is fixedly installed on the upper portion of the outer surface of one side of the drilling fluid desander. A sand discharging opening is formed in the outer surface of the lower end of the drilling fluid sand remover, and a sand storage tank assembly is fixedly installed on the lower portion of the sand discharging opening and comprises a sand storage tank body, a feeding opening, a sand discharging valve, a servo motor, a rotating shaft and a spiral blade. According to the drilling fluid purification device, the sand storage tank assembly is arranged, the sand storage tank body is transversely arranged at the lower end of the drilling fluid sand remover, the sand storage amount is increased, and sand in the sand storage tank body can be conveniently discharged in a spiral pushing mode after the sand discharging valve is opened through the sand storage tank assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of drilling equipment, in particular to a drilling fluid purification device. Background Art

[0002] The drilling fluid desander is one of the drilling fluid purification devices. The main functions of the drilling fluid desander include removing solid particles in the drilling fluid, preventing impurities from entering the downhole equipment, and improving the drilling efficiency of the drilling rig.

[0003] In the prior art, when the drilling fluid desander is working, sand is collected by the aggregate bottle at the lower end of the drilling fluid desander, and the material is easily accumulated. Not only is the sand storage capacity small, but it is also inconvenient to discharge the sand. The aggregate bottle needs to be disassembled before unloading, which is not convenient enough.

[0004] To this end, we propose a drilling fluid purification device. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the utility model provides a drilling fluid purification device with the advantages of large sand storage capacity and convenient discharge of sand inside the sand storage tank body, which can effectively solve the problems in the background technology.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a drilling fluid purification device, including a drilling fluid desander, a bracket is fixedly installed on the lower end outer surface of the drilling fluid desander, a liquid outlet is fixedly installed in the middle part of the upper end outer surface of the drilling fluid desander, a liquid inlet is fixedly installed on the upper part of the outer surface of one side of the drilling fluid desander, a sand discharge port is provided on the lower end outer surface of the drilling fluid desander, and a sand storage tank assembly is fixedly installed at the lower part of the sand discharge port, and the sand storage tank assembly includes a sand storage tank body, a feed port, a sand discharge valve, a servo motor, a rotating shaft and a spiral blade.

[0009] Preferably, the feed port is provided at one end of the outer surface of the upper end of the sand storage tank body, and the feed port is located below the sand discharge port, and the lower end of the sand discharge port is fixedly connected to the feed port.

[0010] Preferably, the sand discharge valve is fixedly mounted on one end of the outer surface of the lower end of the sand storage tank body, and the servo motor is fixedly mounted on the middle portion of the outer surface of one end of the sand storage tank body.

[0011] Preferably, the rotating shaft is connected to the outer surface of one end of the servo motor, the spiral blade is located inside the sand storage tank body, and the spiral blade is fixedly mounted on the outer wall of the rotating shaft.

[0012] Preferably, a bearing is provided between the rotating shaft and the sand storage tank body, and the rotating shaft is rotatably connected to the sand storage tank body through the bearing.

[0013] Preferably, a coupling is provided between the rotating shaft and the servo motor, and an outer surface of one end of the rotating shaft is fixedly connected to an outer surface of one end of an output shaft in the servo motor through the coupling.

[0014] (3) Beneficial effects

[0015] Compared with the prior art, the present invention provides a drilling fluid purification device with the following beneficial effects:

[0016] 1. A drilling fluid purification device is provided with a sand storage tank assembly. The sand storage tank body is arranged horizontally at the lower end of the drilling fluid desander, and materials are not easily accumulated, thereby increasing the sand storage capacity.

[0017] 2. This drilling fluid purification device, through the sand storage tank assembly, facilitates the discharge of sand inside the sand storage tank body through a spiral pusher after the sand discharge valve is opened. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic diagram of the overall structure of a drilling fluid purification device of the present utility model.

[0019] Figure 2 The figure is a partial structural diagram of a drilling fluid purification device of the present utility model.

[0020] Figure 3 This is a structural schematic diagram of a sand storage tank assembly in a drilling fluid purification device of the present invention.

[0021] Figure 4 This is a side sectional view of a sand storage tank assembly in a drilling fluid purification device of the present invention.

[0022] In the figure: 1. Drilling fluid desander; 2. Bracket; 3. Liquid outlet; 4. Sand discharge port; 5. Sand storage tank assembly; 6. Liquid inlet; 7. Sand storage tank body; 8. Feed port; 9. Sand discharge valve; 10. Servo motor; 11. Rotating shaft; 12. Spiral blade. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] This embodiment is a drilling fluid purification device.

[0025] like Figure 1-4As shown, it includes a drilling fluid desander 1, a bracket 2 is fixedly installed on the outer surface of the lower end of the drilling fluid desander 1, a liquid outlet 3 is fixedly installed in the middle of the outer surface of the upper end of the drilling fluid desander 1, a liquid inlet 6 is fixedly installed on the upper part of the outer surface of one side of the drilling fluid desander 1, a sand discharge port 4 is provided on the outer surface of the lower end of the drilling fluid desander 1, and a sand storage tank assembly 5 is fixedly installed at the lower part of the sand discharge port 4. The sand storage tank assembly 5 includes a sand storage tank body 7, a feed port 8, a sand discharge valve 9, a servo motor 10, a rotating shaft 11 and a spiral blade 12.

[0026] The feed port 8 is arranged at one end of the outer surface of the upper end of the sand storage tank body 7, and the feed port 8 is located at the lower part of the sand discharge port 4, and the lower end of the sand discharge port 4 is fixedly connected to the feed port 8; the sand discharge valve 9 is fixedly installed at one end of the outer surface of the lower end of the sand storage tank body 7, and the servo motor 10 is fixedly installed in the middle of the outer surface of one end of the sand storage tank body 7; the rotating shaft 11 is connected to the outer surface of one end of the servo motor 10, and the spiral blade 12 is located inside the sand storage tank body 7, and the spiral blade 12 is fixedly installed on the outer wall of the rotating shaft 11; a bearing is provided between the rotating shaft 11 and the sand storage tank body 7, and the rotating shaft 11 is rotatably connected to the sand storage tank body 7 through the bearing; a coupling is provided between the rotating shaft 11 and the servo motor 10, and the outer surface of one end of the rotating shaft 11 is fixedly connected to the outer surface of one end of the output shaft in the servo motor 10 through the coupling.

[0027] It should be noted that the present invention is a drilling fluid purification device. The drilling fluid desander 1, bracket 2, liquid outlet 3, sand discharge port 4 and liquid inlet 6 recorded in the text all belong to the prior art. The sand is discharged from the position of the sand discharge port 4, which is effectively known to technicians in the relevant technical field and will not be described in detail. A sand storage tank assembly 5 is set up, and the sand enters the interior of the sand storage tank body 7 from the position of the sand discharge port 4. The operation of the servo motor 10 drives the rotating shaft 11 to rotate, and the rotating shaft 11 drives the spiral blade 12 to rotate, so that the sand can be stored more evenly in the interior of the sand storage tank body 7, thereby increasing the sand storage amount. The sand discharge valve 9 is opened, and the operation of the servo motor 10 drives the rotating shaft 11 to rotate, and the rotating shaft 11 drives the spiral blade 12 to rotate. The spiral blade 12 pushes the sand inside the sand storage tank body 7 to move the sand discharge valve 9 to the position for unloading. There is no need to disassemble the sand storage tank body 7, thereby improving convenience.

[0028] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A drilling fluid purification device, comprising a drilling fluid desander (1), wherein a bracket (2) is fixedly mounted on the outer surface of the lower end of the drilling fluid desander (1), a liquid outlet (3) is fixedly mounted in the middle of the outer surface of the upper end of the drilling fluid desander (1), a liquid inlet (6) is fixedly mounted on the upper part of the outer surface of one side of the drilling fluid desander (1), and a sand discharge port (4) is provided on the outer surface of the lower end of the drilling fluid desander (1), characterized in that: A sand storage tank assembly (5) is fixedly mounted at the lower portion of the sand discharge port (4), and the sand storage tank assembly (5) comprises a sand storage tank body (7), a feed port (8), a sand discharge valve (9), a servo motor (10), a rotating shaft (11), and a spiral blade (12).

2. A drilling fluid purification device according to claim 1, characterized in that: The feed port (8) is provided at one end of the outer surface of the upper end of the sand storage tank body (7), and the feed port (8) is located at the lower part of the sand discharge port (4), and the lower end of the sand discharge port (4) is fixedly connected to the feed port (8).

3. A drilling fluid purification device according to claim 2, characterized in that: The sand discharge valve (9) is fixedly mounted on one end of the outer surface of the lower end of the sand storage tank body (7), and the servo motor (10) is fixedly mounted on the middle portion of the outer surface of one end of the sand storage tank body (7).

4. A drilling fluid purification device according to claim 3, characterized in that: The rotating shaft (11) is connected to the outer surface of one end of the servo motor (10), the spiral blade (12) is located inside the sand storage tank body (7), and the spiral blade (12) is fixedly mounted on the outer wall of the rotating shaft (11).

5. A drilling fluid purification device according to claim 4, characterized in that: A bearing is provided between the rotating shaft (11) and the sand storage tank body (7), and the rotating shaft (11) is rotationally connected to the sand storage tank body (7) via the bearing.

6. A drilling fluid purification device according to claim 5, characterized in that: A coupling is provided between the rotating shaft (11) and the servo motor (10), and an outer surface of one end of the rotating shaft (11) is fixedly connected to an outer surface of one end of an output shaft in the servo motor (10) via the coupling.

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