Multi-stage separation device for oil field drilling mud treatment

Abstract

The utility model relates to the technical field of drilling mud, and discloses a multistage separation device for oil field drilling mud treatment, which comprises an equipment bin, support legs and a discharge pipe. By arranging the equipment bin, the supporting legs, the discharging pipe, the first filter screen, the driving mechanism, the cleaning device and the collecting box, firstly, the driving mechanism is started, a motor drives a cam to rotate, a cross rod impacts the first filter screen in a reciprocating mode, then the cleaning device is started, a hydraulic rod drives a transmission frame, and the transmission frame drives a first scraping plate and a second scraping plate to move; then slurry is injected from the top of the equipment bin, passes through the first filter screen, the second filter screen and the third filter screen and finally flows out of the discharging pipe, and the problems that in the prior art, an existing slurry treatment force component device is too simple and cannot conduct multi-stage separation treatment on the slurry, so that some tiny garbage cannot be filtered, and waste is wasted are solved. And certain damage to the drill bit can be caused in later construction.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling mud, in particular to a multi-stage separation device for treating oilfield drilling mud. Background Art

[0002] Drilling mud plays a vital role in oilfield drilling operations. It not only supports the drill bit and prevents it from sinking into the formation, but also carries the cuttings cut by the drill bit back to the ground. The performance of the mud has a direct impact on drilling efficiency and safety.

[0003] The problem with the above technology is that in the prior art, the existing mud processing force separation device is too simple and cannot perform multi-stage separation treatment on the mud, which will cause some fine garbage to be unable to be filtered and cause certain damage to the drill bit in later construction. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a multi-stage separation device for oilfield drilling mud treatment which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a multi-stage separation device for oilfield drilling mud processing includes an equipment bin, a support leg and a discharge pipe, and is characterized in that: the top of the support leg is fixedly installed on the bottom of the equipment bin, one end of the discharge pipe is fixedly installed on the bottom of the equipment bin, a first filter is installed on the top of the equipment bin, a driving mechanism is installed on the left side of the equipment bin, a second filter is fixedly installed in the inner cavity of the equipment bin, a third filter is fixedly installed in the inner cavity of the equipment bin, the second filter is located on the top of the third filter, a cleaning device is installed in the inner cavity of the equipment bin, and a collection box is installed on the front side of the equipment bin.

[0006] In order to improve the installation of the first filter, preferably, a shock-absorbing structure is installed on the top of the first filter, and the shock-absorbing structure includes a first shock-absorbing block and a first spring and a second shock-absorbing block. The surface of the first shock-absorbing block is fixedly installed on the inner wall of the equipment bin, and the bottom of the second shock-absorbing block is fixedly installed on the top of the first filter. One end of the first spring is fixedly installed on the bottom of the first shock-absorbing block, and the other end of the first spring is fixedly installed on the top of the second shock-absorbing block. A sliding rod is installed on the top of the second shock-absorbing block. The first filter is movably installed in the inner cavity of the equipment bin and can be installed on the shock-absorbing structure through the first filter. The shock-absorbing structure is installed on the inner wall of the equipment bin, thereby installing the first filter.

[0007] In order to increase the vibration of the second filter screen, preferably, the driving mechanism includes a motor, a cam, a cross bar, a second spring and a fixed block, the surface of the fixed block is fixedly mounted on the surface of the equipment bin, the surface of the cross bar is movably mounted on the middle part of the equipment bin, the surface of the cross bar is movably mounted on the bottom of the first filter screen, one end of the second spring is fixedly mounted on the bottom of the fixed block, the other end of the second spring is fixedly mounted on the surface of the cross bar, the cam is fixedly mounted on the output end of the motor, the motor is mounted on the left side of the equipment bin, and a mounting frame is installed at the bottom of the motor, which can be driven by the motor to rotate and hit the cross bar, and the cross plate reciprocates and hits the second filter screen. With the cooperation of the shock-absorbing structure, the first filter screen vibrates, effectively accelerating the filtering of the mud.

[0008] In order to improve the cleaning of the second filter screen and the third filter screen, preferably, the cleaning device includes a hydraulic rod, a first scraper, a second scraper and a transmission frame, the bottom of the first scraper is movably mounted on the top of the second filter screen, the bottom of the second scraper is movably mounted on the top of the third filter screen, one end of the front side of the transmission frame is fixedly mounted on the rear side of the first scraper, the other end of the front side of the transmission frame is fixedly mounted on the rear side of the second scraper, the surface of the transmission frame is movably mounted on the middle part of the rear side of the equipment bin, the other end of the rear side of the transmission frame is fixedly mounted on the output end of the hydraulic rod, the bottom of the hydraulic rod is fixedly mounted on the right side of the equipment bin, the transmission frame can be driven by the hydraulic rod, the transmission frame drives the first scraper and the second scraper to move, the first scraper and the second scraper move, respectively clean the surface of the second filter screen and the third filter screen, and also speed up the filtering of the mud.

[0009] In order to improve the installation of the collection box, preferably, the collection box is installed on the front side of the equipment bin, a support plate is installed on the bottom of the collection box, the rear side of the support plate is fixedly installed on the front side of the equipment bin, the bottom of the collection bin is installed in the inner cavity of the support plate, and can be installed on the equipment bin through the support plate, and the collection box is installed on the support plate.

[0010] In order to improve the limitation of the movement of the first filter screen, preferably, one end of the sliding rod is fixedly mounted on the top of the second shock-absorbing block, and the surface of the sliding rod is movably mounted on the middle part of the first shock-absorbing block. The sliding rod can be installed on the second shock-absorbing block and the surface of the sliding rod is installed in the middle part of the first shock-absorbing block, thereby limiting the movement of the first filter screen.

[0011] In order to improve the installation and fixation of the motor, preferably, the mounting frame includes a top plate, a connecting plate and a bottom plate. The top of the top plate is fixedly installed on the bottom of the motor, the right side of the bottom plate is fixedly installed on the left side of the equipment warehouse, and the bottom of the top plate is fixedly connected to the left side of the bottom plate through a connecting plate. The motor can be installed on the mounting frame, and the mounting frame is installed on the equipment warehouse, so the motor can be effectively installed and fixed.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model is provided with an equipment bin, legs, a discharge pipe, a first filter screen, a driving mechanism, a second filter screen, a third filter screen, a cleaning device and a collection box. The driving mechanism is first opened, the motor rotates, the motor drives the cam to rotate, the cam hits the cross bar, the cross bar reciprocates and hits the first filter screen, the cleaning device is then opened, the hydraulic rod drives the transmission frame, the transmission frame drives the first scraper and the second scraper to move, and then the mud is injected from the top of the equipment bin, the mud passes through the first filter screen, the second filter screen and the third filter screen, and finally flows out from the discharge pipe, thereby solving the problem that in the prior art, the existing mud processing force distribution device is too simple and cannot perform multi-stage separation processing on the mud, which will cause some fine garbage to be unable to be filtered, and will cause certain damage to the drill bit in the later construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure provided by an embodiment of the utility model;

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the shock absorbing structure provided by the embodiment of the utility model;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the driving mechanism provided by the embodiment of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the cleaning device provided in the embodiment of the utility model.

[0018] In the figure: 1. Equipment bin; 2. Support legs; 3. Discharge pipe; 4. First filter; 5. Driving mechanism; 501. Motor; 502. Cam; 503. Cross bar; 504. Second spring; 505. Fixed block; 6. Second filter; 7. Third filter; 8. Cleaning device; 801. Hydraulic rod; 802. First scraper; 803. Second scraper; 804. Transmission frame; 9. Collecting box; 10. Shock-absorbing structure; 1001. First shock-absorbing block; 1002. First spring; 1003. Second shock-absorbing block; 11. Sliding rod; 12. Mounting frame; 1201. Top plate; 1202. Connecting plate; 1203. Bottom plate; 13. Support plate. DETAILED DESCRIPTION

[0019] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0020] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0021] like Figures 1 to 4As shown, a multi-stage separation device for oilfield drilling mud treatment provided by an embodiment of the utility model comprises an equipment bin 1, a support leg 2 and a discharge pipe 3, the top of the support leg 2 is fixedly mounted on the bottom of the equipment bin 1, one end of the discharge pipe 3 is fixedly mounted on the bottom of the equipment bin 1, a first filter screen 4 is mounted on the top of the equipment bin 1, a driving mechanism 5 is mounted on the left side of the equipment bin 1, a second filter screen 6 is fixedly mounted in the inner cavity of the equipment bin 1, a third filter screen 7 is fixedly mounted in the inner cavity of the equipment bin 1, the second filter screen 6 is located on the top of the third filter screen 7, a cleaning device 8 is mounted in the inner cavity of the equipment bin 1, a collecting box 9 is mounted on the front side of the equipment bin 1, in order to improve the installation of the first filter screen 4, a shock absorbing structure 10 is mounted on the top of the first filter screen 4, and the shock absorbing structure 10 comprises a first The shock absorbing block 1001 and the first spring 1002 and the second shock absorbing block 1003, the surface of the first shock absorbing block 1001 is fixedly mounted on the inner wall of the equipment bin 1, the bottom of the second shock absorbing block 1003 is fixedly mounted on the top of the first filter screen 4, one end of the first spring 1002 is fixedly mounted on the bottom of the first shock absorbing block 1001, the other end of the first spring 1002 is fixedly mounted on the top of the second shock absorbing block 1003, the top of the second shock absorbing block 1003 is installed with a slide bar 11, the first filter screen 4 is movably mounted on the inner cavity of the equipment bin 1, and can be installed on the shock absorbing structure 10 through the first filter screen 4, and the shock absorbing structure 10 is installed on the inner wall of the equipment bin 1, so as to install the first filter screen 4. In order to increase the vibration of the second filter screen 6, the driving mechanism 5 includes The present invention comprises a motor 501, a cam 502, a cross bar 503, a second spring 504 and a fixed block 505. The surface of the fixed block 505 is fixedly mounted on the surface of the equipment bin 1. The surface of the cross bar 503 is movably mounted on the middle part of the equipment bin 1. The surface of the cross bar 503 is movably mounted on the bottom of the first filter screen 4. One end of the second spring 504 is fixedly mounted on the bottom of the fixed block 505. The other end of the second spring 504 is fixedly mounted on the surface of the cross bar 503. The cam 502 is fixedly mounted on the output end of the motor 501. The motor 501 is mounted on the left side of the equipment bin 1. A mounting frame 12 is mounted on the bottom of the motor 501. The cam 502 can be driven by the motor 501. The cam 502 rotates to hit the cross bar 503, and the cross plate reciprocates to hit the second filter screen 6. , with the cooperation of the shock absorbing structure 10, the first filter screen 4 vibrates to effectively speed up the filtering of the mud. In order to improve the cleaning of the second filter screen 6 and the third filter screen 7, the cleaning device 8 includes a hydraulic rod 801, a first scraper 802, a second scraper 803 and a transmission frame 804. The bottom of the first scraper 802 is movably mounted on the top of the second filter screen 6, the bottom of the second scraper 803 is movably mounted on the top of the third filter screen 7, one end of the front side of the transmission frame 804 is fixedly mounted on the rear side of the first scraper 802, the other end of the front side of the transmission frame 804 is fixedly mounted on the rear side of the second scraper 803, the surface of the transmission frame 804 is movably mounted on the middle part of the rear side of the equipment warehouse 1, and the other end of the rear side of the transmission frame 804 is fixedly mounted on the output end of the hydraulic rod 801.The bottom of the hydraulic rod 801 is fixedly installed on the right side of the equipment bin 1, and the transmission frame 804 can be driven by the hydraulic rod 801, and the transmission frame 804 drives the first scraper 802 and the second scraper 803 to move, and the first scraper 802 and the second scraper 803 move to clean the surface of the second filter screen 6 and the third filter screen 7 respectively, and also speed up the filtering of the mud. In order to improve the installation of the collection box 9, the collection box 9 is installed on the front side of the equipment bin 1, and the bottom of the collection box 9 is installed with a support plate 13. The rear side of the support plate 13 is fixedly installed on the front side of the equipment bin 1, and the bottom of the collection bin is installed in the inner cavity of the support plate 13, which can be installed on the equipment bin 1 through the support plate 13. The collection box 9 is installed on the support plate 13. In order to improve the limit of the movement of the first filter screen 4, one end of the sliding rod 11 is fixedly installed on the second shock absorber The top of the block 1003, the surface of the slide bar 11 is movably installed in the middle of the first shock absorbing block 1001, and the slide bar 11 can be installed on the second shock absorbing block 1003, and the surface of the slide bar 11 is installed in the middle of the first shock absorbing block 1001, so as to limit the movement of the first filter 4. In order to improve the installation and fixation of the motor 501, the mounting frame 12 includes a top plate 1201, a connecting plate 1202 and a bottom plate 1203. The top of the top plate 1201 is fixedly installed on the bottom of the motor 501, and the right side of the bottom plate 1203 is fixedly installed on the left side of the equipment warehouse 1. The bottom of the top plate 1201 is fixedly connected to the left side of the bottom plate 1203 through the connecting plate 1202. The motor 501 can be installed on the mounting frame 12, and the mounting frame 12 is installed on the equipment warehouse 1, which effectively installs and fixes the motor 501.

[0022] The working principle of this utility model:

[0023] When in use, first open the driving mechanism 5, the motor 501 rotates, the motor 501 drives the cam 502 to rotate, the cam 502 rotates to hit the cross bar 503, the cross bar 503 reciprocates and hits the first filter 4, with the cooperation of the shock absorbing structure 10, the first filter 4 vibrates, and then open the cleaning device 8, the hydraulic rod 801 drives the transmission frame 804, the transmission frame 804 drives the first scraper 802 and the second scraper 803 to move, and then the mud is injected from the top of the equipment bin 1, and the mud passes through the first filter 4 and stays there. The garbage on the first filter screen 4 is vibrated into the collection box 9, the mud passing through the first filter screen 4 passes through the second filter screen 6, the garbage remaining on the second filter screen 6 is pushed into the collection box 9 by the first scraper 802, the mud passing through the second filter screen 6 passes through the third filter screen 7, the garbage remaining on the third filter screen 7 is pushed into the collection box 9 by the second scraper 803, and the mud passing through the third filter screen 7 is discharged from the discharge pipe 3. The mesh opening of the first filter screen 4 is larger, the mesh opening of the second filter screen 6 is medium, and the mesh opening of the third filter screen 7 is smaller.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A multi-stage separation device for oilfield drilling mud treatment, comprising an equipment bin (1), a support leg (2) and a discharge pipe (3), characterized in that: The top of the support leg (2) is fixedly mounted on the bottom of the equipment bin (1), one end of the discharge pipe (3) is fixedly mounted on the bottom of the equipment bin (1), a first filter screen (4) is mounted on the top of the equipment bin (1), a driving mechanism (5) is mounted on the left side of the equipment bin (1), a second filter screen (6) is fixedly mounted in the inner cavity of the equipment bin (1), a third filter screen (7) is fixedly mounted in the inner cavity of the equipment bin (1), the second filter screen (6) is located on the top of the third filter screen (7), a cleaning device (8) is mounted in the inner cavity of the equipment bin (1), a collecting box (9) is mounted on the front side of the equipment bin (1), a supporting plate (13) is mounted on the bottom of the collecting box (9), the rear side of the supporting plate (13) is fixedly mounted on the front side of the equipment bin (1), and the bottom of the collecting bin is mounted in the inner cavity of the supporting plate (13).

2. A multi-stage separation device for oilfield drilling mud treatment as claimed in claim 1, characterized in that: A shock absorbing structure (10) is installed on the top of the first filter screen (4), and the shock absorbing structure (10) comprises a first shock absorbing block (1001), a first spring (1002), and a second shock absorbing block (1003). The surface of the first shock absorbing block (1001) is fixedly installed on the inner wall of the equipment bin (1), and the bottom of the second shock absorbing block (1003) is fixedly installed on the top of the first filter screen (4). One end of the first spring (1002) is fixedly installed on the bottom of the first shock absorbing block (1001), and the other end of the first spring (1002) is fixedly installed on the top of the second shock absorbing block (1003). A sliding rod (11) is installed on the top of the second shock absorbing block (1003), and the first filter screen (4) is movably installed in the inner cavity of the equipment bin (1).

3. A multi-stage separation device for oilfield drilling mud treatment as claimed in claim 1, characterized in that: The driving mechanism (5) comprises a motor (501), a cam (502), a cross bar (503), a second spring (504) and a fixed block (505); the surface of the fixed block (505) is fixedly mounted on the surface of the equipment bin (1); the surface of the cross bar (503) is movably mounted on the middle of the equipment bin (1); the surface of the cross bar (503) is movably mounted on the bottom of the first filter screen (4); one end of the second spring (504) is fixedly mounted on the bottom of the fixed block (505); the other end of the second spring (504) is fixedly mounted on the surface of the cross bar (503); the cam (502) is fixedly mounted on the output end of the motor (501); the motor (501) is mounted on the left side of the equipment bin (1); and a mounting frame (12) is mounted on the bottom of the motor (501).

4. A multi-stage separation device for treating oilfield drilling mud according to claim 1, characterized in that: The cleaning device (8) comprises a hydraulic rod (801), a first scraper (802), a second scraper (803) and a transmission frame (804); the bottom of the first scraper (802) is movably mounted on the top of the second filter screen (6); the bottom of the second scraper (803) is movably mounted on the top of the third filter screen (7); one end of the front side of the transmission frame (804) is fixedly mounted on the rear side of the first scraper (802); the other end of the front side of the transmission frame (804) is fixedly mounted on the rear side of the second scraper (803); the surface of the transmission frame (804) is movably mounted on the middle part of the rear side of the equipment bin (1); the other end of the rear side of the transmission frame (804) is fixedly mounted on the output end of the hydraulic rod (801); and the bottom of the hydraulic rod (801) is fixedly mounted on the right side of the equipment bin (1).

5. A multi-stage separation device for treating oilfield drilling mud as claimed in claim 2, characterized in that: One end of the sliding rod (11) is fixedly mounted on the top of the second shock absorbing block (1003), and the surface of the sliding rod (11) is movably mounted on the middle of the first shock absorbing block (1001).

6. A multi-stage separation device for treating oilfield drilling mud as claimed in claim 3, characterized in that: The mounting frame (12) comprises a top plate (1201), a connecting plate (1202) and a bottom plate (1203); the top of the top plate (1201) is fixedly mounted on the bottom of the motor (501); the right side of the bottom plate (1203) is fixedly mounted on the left side of the equipment compartment (1); and the bottom of the top plate (1201) is fixedly connected to the left side of the bottom plate (1203) via the connecting plate (1202).

Images