CN219539645U

CN219539645U - Filtering device for drilling fluid sample analysis

Info

Publication number: CN219539645U
Application number: CN202223562244.8U
Authority: CN
Inventors: 曾祥禹
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-18
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a filtering device for drilling fluid sample analysis, which comprises a stirring box with an opening at the top, wherein the right side of the bottom of the stirring box is communicated with and fixed with a drilling fluid discharge valve, a square seat is embedded and fixed on the inner wall of the bottom of the stirring box, and a stirring shaft with the bottom end extending to the inner side is rotatably arranged at the top of the square seat. According to the utility model, through the arrangement of the driving motor, the stirring shaft, the elastic guide squeezing assembly, the hard anti-slip rubber, the sharp block and the drilling fluid filtering assembly, the stirring and rotary filtering operation can be realized synchronously by single driving, the filtering efficiency is improved while stirring is realized, and the driving equipment for filtering is not required to be separately arranged, so that the convenient matching of the driving motor, the stirring shaft and the elastic guide squeezing assembly is realized.

Description

Filtering device for drilling fluid sample analysis

Technical Field

The utility model relates to the technical field of drilling fluid sample filtering, in particular to a filtering device for drilling fluid sample analysis.

Background

The filtering device for the drilling fluid sample analysis is a device for filtering and separating solid impurities in a drilling fluid sample so that the drilling fluid does not contain the solid impurities, and is mainly used for assisting in solid-liquid separation before the analysis of the recovered drilling fluid sample by personnel so as to facilitate the analysis and detection work of the drilling fluid by the subsequent personnel;

to this, chinese patent with bulletin number CN217829062U discloses a drilling fluid sample analysis is with straining device, which comprises a workbench, the purifying box, two braced frames, the handle, the filter screen, the hinge, rabbling mechanism, supporting mechanism and discharge mechanism, the workstation level is placed, the bottom fixed mounting of purifying box is on the top of workstation, the purifying box inside contains the cavity, the top of purifying box has gets to put the mouth, get of purifying box and cavity intercommunication, the lateral wall of one braced frame and purifying box passes through hinge swivelling joint, fixed mounting has the handle on the lateral wall of another braced frame, filter screen fixed mounting is between two braced frames, rabbling mechanism sets up inside the cavity of purifying box, supporting mechanism installs the bottom at the workstation, discharge mechanism sets up the bottom at the workstation.

The above patent realizes the filtering work of the drilling fluid by filtering solid impurities in the drilling fluid sample by using a filter screen at the upper part and stirring the filtered drilling fluid by using a stirring mechanism at the lower part to prevent precipitation, but the filtering work still has some defects:

the method utilizes the static filtering mode of the filter screen at the upper part, solid impurities in the drilling fluid sample are easy to be accumulated at the static state and blocked at the top of the filter screen, the filtering efficiency is reduced, the filtering efficiency is not ideal, (although the method of vibration throwing or centrifugal screen rapid filtering exists in the prior art, when a conventional vibrating screen or centrifugal screen needs to be additionally and independently adopted, and is difficult to be conveniently matched with the driving equipment of the stirring self, the phenomenon is integrated, so that we propose a filtering device for analyzing the drilling fluid sample, which is used for solving the problems.

Disclosure of Invention

The utility model aims to provide a filtering device for analyzing drilling fluid samples, which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a drilling fluid sample analysis is with straining device, includes the agitator tank that the top is the opening setting, the bottom right side intercommunication of agitator tank is fixed with drilling fluid discharge valve, inlays on the bottom inner wall of agitator tank and is fixed with the shape seat of turning round, and the top of shape seat is rotated and is installed the (mixing) shaft that the bottom extends to its inboard, and the outside fixedly connected with of (mixing) shaft a plurality of stirring leaves, and the bottom of shape seat of turning round is fixedly installed output shaft and (mixing) shaft bottom fixed connection's driving motor, and the (mixing) shaft and the stirring leaf cooperation of setting are used for the rotatory stirring of drilling fluid when driving motor starts and prevent the deposit;

the right side of the top of the stirring box is rotationally connected with a supporting frame, a drilling fluid filtering assembly is sleeved in the supporting frame in a rotating mode, the bottom of the drilling fluid filtering assembly is fixedly connected with a plurality of sharp blocks, and the drilling fluid filtering assembly is used for filtering, intercepting and collecting impurities in drilling fluid;

the top end of the stirring shaft is fixedly connected with an elastic guiding and squeezing assembly, the top of the elastic guiding and squeezing assembly is fixedly adhered with a hard anti-slip rubber, the top of the hard anti-slip rubber is in squeezing contact with the tips of the plurality of sharp blocks, the elastic guiding and squeezing assembly is used for driving the hard anti-slip rubber to be in squeezing contact with the plurality of sharp blocks, and the elastic guiding and squeezing assembly is used for driving the drilling fluid filtering group to rotate and centrifugally filter the drilling fluid by utilizing the friction force of the hard anti-slip rubber and the plurality of sharp blocks when the stirring shaft rotates;

the left side top of agitator tank has seted up the screw thread groove, and the screw thread inslot threaded connection has the locking subassembly, and the right-hand member of locking subassembly and the left side fixed connection of braced frame, locking subassembly are used for the locking to the braced frame.

Preferably, the drilling fluid filtering assembly comprises a round box with an opening at the top and a box-shaped filter screen with an opening at the top, the round box is rotatably sleeved in the supporting frame, the box-shaped filter screen is fixedly adhered in the round box, a plurality of liquid removing holes are formed in the side wall and the inner wall of the bottom of the round box, and the bottom of the round box is fixedly connected with the tops of the plurality of sharp blocks; the round box and the box-shaped filter screen are matched, solid impurities in drilling fluid are filtered, intercepted and collected by the box-shaped filter screen, and filtered drilling fluid is separated by the liquid separation holes in the round box.

Preferably, the elastic guiding and squeezing assembly comprises a square tube with the bottom end being a plugging structure, a square rod, a pressing plate and a compression spring in a compressed state, wherein the bottom end of the square tube is fixedly connected with the top end of the stirring shaft, the square rod is slidably sleeved in the square tube, the top end of the square rod is fixedly connected with the bottom of the pressing plate, the top end and the bottom end of the compression spring are respectively fixedly connected with the bottom end of the square rod and the bottom end inner wall of the square tube, and the top of the pressing plate is fixedly bonded with the bottom of the hard anti-skid rubber; the square tube, square rod, clamp plate and the compression spring cooperation that is in compression state that set up utilize the elasticity of the compression spring that is in compression state to realize passing through square rod and clamp plate in proper order to the tight laminating of the extrusion of stereoplasm anti-skidding rubber and a plurality of sharp piece, and can synchronous drive square tube rotates when the (mixing) shaft rotates, square tube passes through square rod drive clamp plate and rotates, the clamp plate passes through the tight frictional force drive circle box of extrusion of stereoplasm anti-skidding rubber and a plurality of sharp piece and box-shaped filter screen rotation, utilize the rotation of box-shaped filter screen to realize rotatory centrifugal force filtering to drilling fluid.

Preferably, the locking assembly comprises a knob type bolt and an L-shaped handle, wherein the right end of the knob type bolt is in threaded connection with the threaded groove, the right end of the L-shaped handle is fixedly connected with the left side of the supporting frame, and the L-shaped handle is in threaded sleeve connection with the knob type bolt; the knob type bolt is matched with the L-shaped handle, and the locking of the supporting frame is realized by using the knob type bolt.

Preferably, the same hinge is fixedly connected between the right top of the stirring box and the right bottom of the supporting frame, and the supporting frame is rotationally connected with the stirring box through the hinge.

Preferably, the four corners of the bottom of the stirring box are fixedly connected with supporting legs, and the bottoms of the supporting legs are rotatably provided with universal wheels with locks.

Preferably, the limiting groove is formed in the right side of the square rod, and a limiting block which is in sliding connection with the limiting groove is fixedly connected to the inner wall of the right side of the square pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the filtering device for analyzing the drilling fluid sample, the stirring and anti-precipitation of the filtered drilling fluid sample is realized through the cooperation of the driving motor, the stirring shaft and the stirring blade;

2. according to the filtering device for drilling fluid sample analysis, through the cooperation of the stirring shaft, the elastic guide squeezing assembly, the hard anti-slip rubber, the sharp block and the drilling fluid filtering assembly, the box-shaped filter screen can be conveniently driven to rotationally filter the drilling fluid sample by the aid of the rotating force of the stirring shaft during stirring, the filtering efficiency is improved by utilizing the rotating filtering mode, and the driving equipment for the filtering is not required to be independently arranged by the aid of the rotating force of the stirring shaft, so that the convenient cooperation of stirring and centrifugal filtering is realized, and the cost and long-term energy consumption are reduced;

3. according to the filtering device for drilling fluid sample analysis, through the arranged drilling fluid discharge valve, the drilling fluid after filtering and stirring is discharged, a person only needs to place a material receiving sample box below the drilling fluid discharge valve, and then the person can take the drilling fluid after filtering and discharging to carry out detection and analysis work;

4. this drilling fluid sample analysis is with straining device, through the lock solid subassembly, the cooperation of stereoplasm antiskid rubber and the sharp piece that set up, can realize the convenient connection separation to drilling fluid filtration subassembly, the personnel is direct to the solid impurity of filtering collection in box-shaped filter screen after the use wholly emptys the clearance.

According to the utility model, through the arrangement of the driving motor, the stirring shaft, the elastic guide squeezing assembly, the hard anti-slip rubber, the sharp block and the drilling fluid filtering assembly, the stirring and rotary filtering operation can be realized synchronously by single driving, the filtering efficiency is improved while stirring is realized, and the driving equipment for filtering is not required to be separately arranged, so that the convenient matching of the driving motor, the stirring shaft and the elastic guide squeezing assembly is realized.

Drawings

FIG. 1 is a schematic overall perspective view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;

fig. 4 is a schematic view showing a structure in which the support frame of fig. 2 is turned up.

In the figure: 1. a stirring tank; 2. a square seat; 3. a driving motor; 4. a stirring shaft; 5. stirring the leaves; 6. a drilling fluid discharge valve; 7. a support frame; 8. a round box; 9. a box-shaped filter screen; 10. a liquid removing hole; 11. a sharp block; 12. square rods; 13. square tubes; 14. a compression spring; 15. a pressing plate; 16. hard anti-skid rubber; 17. an L-shaped handle; 18. knob type bolts; 19. universal wheel with lock.

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.

As shown in fig. 1 to 4, the filtering device for analyzing drilling fluid samples provided in this embodiment includes a stirring tank 1 with an opening at the top, a drilling fluid discharge valve 6 is connected and fixed on the right side of the bottom of the stirring tank 1, supporting legs are fixedly connected to four corners of the bottom of the stirring tank 1, a universal wheel 19 with a lock is rotatably mounted at the bottom of the supporting legs, an annular seat 2 is fixedly embedded on the inner wall of the bottom of the stirring tank 1, a rectangular embedded hole fixedly connected with the outer side of the annular seat 2 is formed in the inner wall of the bottom of the stirring tank 1, the annular seat 2 is fixedly embedded on the inner wall of the bottom of the stirring tank 1 through the rectangular embedded hole, a stirring shaft 4 with the bottom end extending to the inner side thereof is rotatably mounted at the top of the annular seat 2, a sealing bearing is fixedly sleeved at the inner ring of the sealing bearing and the outer side of the stirring shaft 4, the stirring shaft 4 is rotatably connected to the top of the annular seat 2 through the sealing bearing, an annular seat 2 is rotatably mounted on the inner side of the stirring shaft 4, a plurality of stirring blades 5 are fixedly connected to the outer side of the stirring shaft 4, and a motor 5 is fixedly connected to the bottom of the annular seat 2 and is fixedly connected to the bottom of the stirring shaft 3 when the stirring shaft 4 is fixedly connected to the stirring shaft 3 and the stirring shaft 3 is fixedly connected to the bottom of the stirring shaft 3;

the right side of the top of the stirring box 1 is rotationally connected with a supporting frame 7, wherein the same hinge is fixedly connected between the right top of the stirring box 1 and the right bottom of the supporting frame 7, the supporting frame 7 is rotationally connected with the stirring box 1 through the hinge, the effect of rotationally installing the supporting frame 7 is achieved, a drilling fluid filtering assembly is rotationally sleeved in the supporting frame 7, the bottom of the drilling fluid filtering assembly is fixedly connected with a plurality of sharp blocks 11, and the drilling fluid filtering assembly is used for filtering, intercepting and collecting impurities in drilling fluid; the drilling fluid filtering assembly comprises a round box 8 with an opening at the top and a box-shaped filter screen 9 with an opening at the top, the round box 8 is rotatably sleeved in a supporting frame 7, the inner side of the supporting frame 7 is of a cylindrical structure, a supporting bearing is fixedly sleeved in the supporting frame 7, the inner side of an inner ring of the supporting bearing is fixedly connected with the outer side of the round box 8, the round box 8 is rotatably sleeved in the supporting frame 7 through the supporting bearing, the effect of rotatably mounting the round box 8 is achieved, the box-shaped filter screen 9 is fixedly adhered in the round box 8, a plurality of liquid removing holes 10 are formed in the side wall and the inner wall of the bottom of the round box 8, and the bottom of the round box 8 is fixedly connected with the tops of a plurality of sharp blocks 11; the round box 8 is matched with the box-shaped filter screen 9, solid impurities in drilling fluid are filtered, intercepted and collected by the box-shaped filter screen 9, and filtered drilling fluid is removed by the liquid removing holes 10 on the round box 8;

the top end of the stirring shaft 4 is fixedly connected with an elastic guiding extrusion assembly, the top of the elastic guiding extrusion assembly is fixedly adhered with a hard anti-slip rubber 16, the top of the hard anti-slip rubber 16 is in extrusion contact with the tips of the plurality of sharp blocks 11, the elastic guiding extrusion assembly is used for driving the hard anti-slip rubber 16 to be in extrusion contact with the plurality of sharp blocks 11, and the elastic guiding extrusion assembly is used for driving the round box 8 and the box-shaped filter screen 9 to centrifugally filter drilling fluid in a rotating way by utilizing the friction force of the hard anti-slip rubber 16 and the plurality of sharp blocks 11 when the stirring shaft 4 rotates; the elastic guiding and squeezing assembly comprises a square tube 13 with the bottom end being a plugging structure, a square rod 12, a pressing plate 15 and a compression spring 14 in a compressed state, wherein the bottom end of the square tube 13 is fixedly connected with the top end of the stirring shaft 4, the square rod 12 is slidably sleeved in the square tube 13, a limiting groove is formed in the right side of the square tube 12, a limiting block which is slidably connected with the limiting groove is fixedly connected to the inner wall on the right side of the square tube 13, the effect of limiting the upward moving distance of the square rod 12 and preventing the square rod from falling off is achieved, the top end of the square rod 12 is fixedly connected with the bottom of the pressing plate 15, the top end and the bottom end of the compression spring 14 are fixedly connected with the bottom end of the square rod 12 and the inner wall of the bottom end of the square tube 13 respectively, and the top of the pressing plate 15 is fixedly adhered to the bottom of the hard anti-skid rubber 16; the square tube 13, the square rod 12, the pressing plate 15 and the compression spring 14 in a compressed state are matched, the hard anti-slip rubber 16 is tensioned by the elasticity of the compression spring 14 in the compressed state, the hard anti-slip rubber 16 is tightly squeezed and connected with the plurality of sharp blocks 11, the square tube 13 can be synchronously driven to rotate when the stirring shaft 4 rotates, the square tube 13 drives the pressing plate 15 to rotate through the square rod 12, the pressing plate 15 drives the round box 8 and the box-shaped filter screen 9 to rotate through the squeezing friction force of the hard anti-slip rubber 16 and the plurality of sharp blocks 11, the rotation of the box-shaped filter screen 9 is utilized to realize the rotation centrifugal fling filtration of drilling fluid, and the filtration efficiency is improved through the centrifugal rotation fling filtration mode;

the top of the left side of the stirring box 1 is provided with a thread groove, the thread groove is internally and in threaded connection with a locking component, the right end of the locking component is fixedly connected with the left side of the supporting frame 7, and the locking component is used for locking the supporting frame 7; the locking assembly comprises a knob type bolt 18 and an L-shaped handle 17, wherein the right end of the knob type bolt 18 is in threaded connection with a threaded groove, the right end of the L-shaped handle 17 is fixedly connected with the left side of the supporting frame 7, the L-shaped handle 17 is in threaded sleeve arrangement on the knob type bolt 18, a threaded hole in threaded connection with the knob type bolt 18 is formed in the left side of the L-shaped handle 17, and the L-shaped handle 17 is in threaded sleeve arrangement on the knob type bolt 18 through the threaded hole; the knob type bolt 18 is matched with the L-shaped handle 17, and the L-shaped handle 17 is locked by utilizing the threaded connection relation between the knob type bolt 18 and the threaded groove, so that the supporting frame 7 is locked.

The application method of the embodiment is as follows: pouring a drilling fluid sample into a box-shaped filter screen 9, starting a driving motor 3 to drive a stirring shaft 4 to rotate, enabling the stirring shaft 4 to drive a plurality of stirring blades 5 and a square tube 13 to rotate, enabling the square tube 13 to drive a pressing plate 15 to rotate through a square rod 12, enabling the pressing plate 15 to drive a plurality of sharp blocks 11 to rotate through friction of a hard anti-slip rubber 16, enabling the sharp blocks 11 to drive a round box 8 to rotate, enabling the round box 8 to drive the box-shaped filter screen 9 to rotate, under the action of rotation of the box-shaped filter screen 9, realizing centrifugal throwing filtration of the drilling fluid sample, utilizing a centrifugal rotation centrifugal throwing filtration mode to rapidly intercept and collect solid impurities in the drilling fluid sample into the box-shaped filter screen 9, enabling the drilling fluid sample to be thrown out by the rotating force of the stirring blades 5 in rotation to prevent precipitation, enabling the stirred drilling fluid sample to be discharged through a drilling fluid discharge valve 6, enabling personnel to only to place a material receiving sample box under the energy consumption valve 6, enabling personnel to detect the filtered and discharged drilling fluid to be used for testing, and enabling the drilling fluid to be driven by a single stirring device to be used for realizing the driving mode without the vibration and the driving mode to be matched with the two through the centrifugal filtration mode, and the driving mode is reduced in a long-term and the cost is achieved;

when the impurities collected by filtration are cleaned, the knob type bolt 18 is reversely rotated to separate the impurities from the thread groove, the locking of the L-shaped handle 17 is released, at the moment, the L-shaped handle 17 is upwards rotated to drive the supporting frame 7 to rotate upwards, the supporting frame 7 drives the round box 8 and the box type filter screen 9 to rotate upwards to the right, the impurities are directly dumped and discharged, the impurities collected by filtration are conveniently dumped and cleaned after use, the tip block 11 and the hard anti-slip rubber 16 are driven to be separated when the round box 8 rotates upwards to the right, the compression spring 14 in a compressed state drives the pressing plate 15 to upwards displace through the square rod 12, after cleaning, the rotary supporting frame 7 drives the round box 8 to downwards extrude the hard anti-slip rubber 16, the hard anti-slip rubber 16 downwards moves downwards and drives the square rod 12 to compress the compression spring 14 through the pressing plate 15, the compression spring 14 is in a compressed state, the hard anti-slip rubber 16 is enabled to be in a compressed state again, the tip block 11 is then in a tightly-compressed state, and the rotary anti-slip rubber can be continuously connected with the rotary knob type filter, and the rotary knob type filter is conveniently cleaned.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a drilling fluid sample analysis is with straining device, includes agitator tank (1) that the top set up for the opening, its characterized in that: the right side of the bottom of the stirring box (1) is communicated with and fixed with a drilling fluid discharge valve (6), a square seat (2) is embedded and fixed on the inner wall of the bottom of the stirring box (1), a stirring shaft (4) with the bottom end extending to the inner side is rotatably arranged at the top of the square seat (2), a plurality of stirring blades (5) are fixedly connected to the outer side of the stirring shaft (4), and a driving motor (3) with an output shaft fixedly connected with the bottom end of the stirring shaft (4) is fixedly arranged at the bottom of the square seat (2);

the right side of the top of the stirring box (1) is rotationally connected with a supporting frame (7), a drilling fluid filtering assembly is rotationally sleeved on the supporting frame (7), and the bottom of the drilling fluid filtering assembly is fixedly connected with a plurality of sharp blocks (11);

the top end of the stirring shaft (4) is fixedly connected with an elastic guiding and squeezing assembly, the top of the elastic guiding and squeezing assembly is fixedly adhered with a hard anti-slip rubber (16), and the top of the hard anti-slip rubber (16) is in squeezing contact with the tips of the plurality of sharp blocks (11);

the top of the left side of the stirring box (1) is provided with a thread groove, a locking assembly is connected in the thread groove in a threaded manner, and the right end of the locking assembly is fixedly connected with the left side of the supporting frame (7).

2. A drilling fluid sample analysis filter according to claim 1, wherein: drilling fluid filter component includes circle box (8) that the top set up for the opening and box-shaped filter screen (9) that the top set up for the opening, circle box (8) rotate the cover and establish in supporting frame (7), box-shaped filter screen (9) bonding is fixed in circle box (8), all has seted up a plurality of liquid holes (10) that take off on the lateral wall and the bottom inner wall of circle box (8), the top fixed connection of a plurality of sharp piece (11) of the bottom of circle box (8).

3. A drilling fluid sample analysis filter according to claim 2, wherein: the elastic guiding extrusion assembly comprises a square tube (13) with a bottom end being of a plugging structure, a square rod (12), a pressing plate (15) and a compression spring (14) in a compression state, wherein the bottom end of the square tube (13) is fixedly connected with the top end of a stirring shaft (4), the square rod (12) is slidably sleeved in the square tube (13), the top end of the square rod (12) is fixedly connected with the bottom of the pressing plate (15), the top end and the bottom end of the compression spring (14) are fixedly connected with the bottom end of the square rod (12) and the bottom inner wall of the square tube (13) respectively, and the top of the pressing plate (15) is fixedly bonded with the bottom of a hard anti-skid rubber (16).

4. A drilling fluid sample analysis filter according to claim 1, wherein: the locking assembly comprises a knob type bolt (18) and an L-shaped handle (17), wherein the right end of the knob type bolt (18) is in threaded connection with a threaded groove, the right end of the L-shaped handle (17) is fixedly connected with the left side of the supporting frame (7), and the L-shaped handle (17) is in threaded sleeve connection with the knob type bolt (18).

5. A drilling fluid sample analysis filter according to claim 1, wherein: the stirring box is characterized in that the same hinge is fixedly connected between the top of the right side of the stirring box (1) and the bottom of the right side of the supporting frame (7), and the supporting frame (7) is rotationally connected with the stirring box (1) through the hinge.

6. A drilling fluid sample analysis filter according to claim 1, wherein: the four corners of the bottom of the stirring box (1) are fixedly connected with supporting legs, and universal wheels (19) with locks are rotatably arranged at the bottoms of the supporting legs.

7. A drilling fluid sample analysis filter according to claim 3, wherein: limiting grooves are formed in the right side of the square rod (12), and limiting blocks which are in sliding connection with the limiting grooves are fixedly connected to the inner wall of the right side of the square tube (13).