CN110821428B - Drilling fluid shale shaker and anti-splash device thereof - Google Patents
Drilling fluid shale shaker and anti-splash device thereof Download PDFInfo
- Publication number
- CN110821428B CN110821428B CN201810889634.5A CN201810889634A CN110821428B CN 110821428 B CN110821428 B CN 110821428B CN 201810889634 A CN201810889634 A CN 201810889634A CN 110821428 B CN110821428 B CN 110821428B
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- Prior art keywords
- guide rail
- splash
- screen
- splash guard
- drilling fluid
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 title claims abstract description 36
- 239000000725 suspension Substances 0.000 claims abstract description 34
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 abstract description 13
- 239000004744 fabric Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/065—Separating solids from drilling fluids
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a drilling fluid vibrating screen and a splash-proof device thereof, wherein the splash-proof device comprises a suspension bracket and a splash-proof plate (4), and the suspension bracket is fixedly connected with a base frame (2) of the drilling fluid vibrating screen; the splash guard (4) is arranged in parallel to a screen (6) of the drilling fluid vibrating screen, the splash guard (4) is connected with the suspension bracket in a sliding mode, and the sliding direction of the splash guard (4) relative to the suspension bracket is parallel to the screen surface of the screen (6). The splash-proof device provided by the invention enables the splash-proof plate to be easily removed from between the excitation motor and the screen, thereby facilitating people to replace the screen.
Description
Technical Field
The invention relates to the technical field of drilling fluid vibrating screens, in particular to a drilling fluid vibrating screen and an anti-splash device thereof.
Background
In the oil drilling operation, the drilling fluid shale shaker is used for separating out the solid phase from the drilling fluid of circulation, and drilling fluid can produce often and splash through the shale shaker, if the drilling fluid that splashes covers the excitation motor or sieve case outside, then can bring very big cleaning work load for the workman, simultaneously, the excitation motor can influence the motor heat dissipation after being covered by drilling fluid, reduces the motor life-span.
Along with the continuous standardization in oil drilling market, the splash guard to the drilling fluid is installed mostly to current drilling fluid shale shaker, however, because the separation of splash guard is between excitation motor and screen cloth, so when the screen cloth that will change excitation motor below, need earlier put aside the splash guard, however, present splash guard is generally fixed mounting on the drilling fluid shale shaker, receive the restriction in space between excitation motor and the screen cloth, hardly demolish the operation, so brought a great deal of inconvenience for the change work of screen cloth, therefore, how to improve the splash guard, so that people can conveniently change the screen cloth, the technical problem that the skilled person in the art awaits urgent solution has become.
Disclosure of Invention
In view of the above, the present invention provides a drilling fluid vibrating screen and a splash guard thereof, which enable the splash guard to be easily removed from between the excitation motor and the screen mesh, thereby facilitating replacement of the screen mesh by people.
In order to achieve the purpose, the invention provides the following technical scheme:
an anti-splash device for a drilling fluid shaker, comprising:
the suspension bracket is fixedly connected with a base frame of the drilling fluid vibrating screen;
the splash guard is arranged in parallel to a screen mesh of the drilling fluid vibrating screen, the splash guard is slidably connected with the suspension bracket, and the sliding direction of the splash guard relative to the suspension bracket is parallel to the screen surface of the screen mesh.
Preferably, in the above splash guard, the hanger includes:
the two ends of the first cross beam and the two ends of the second cross beam are both connected with the base frame in a welding manner;
the two rod-shaped guide rails are positioned below the first cross beam and the second cross beam and are parallel to each other, one end of each guide rail is connected with the first cross beam in a hanging mode, the other end of each guide rail is connected with the second cross beam in a hanging mode, and the guide rails are parallel to the screen surface of the screen.
Preferably, in the splash guard, the guide rail is a pipe, a telescopic rod is sleeved in a pipe cavity of the guide rail, a downwardly extending suspension column is arranged at an end of the telescopic rod, and a tail end of the suspension column is fixedly connected with an upper surface of the splash guard.
Preferably, in the splash guard, a flange plate is welded to the end of the suspension column, and the flange plate is connected with the splash guard through bolts.
Preferably, in the above splash guard, the telescopic rod is composed of a long rod and a short rod which are separated from each other, the long rod and the short rod are respectively provided with one suspension post, the suspension post of the long rod is positioned outside the end part of the guide rail, the lower surface of the guide rail is provided with a long hole matched with the suspension post of the short rod, one end of the long hole is positioned in the middle part of the guide rail, and the other end of the long hole is communicated with the guide rail far away from the pipe orifice of the long rod.
Preferably, in above-mentioned splashproof device, still including setting up locking switch on the guide rail, when closing locking switch, the guide rail with but change fixed connection into by sliding connection between the telescopic link, when opening locking switch, the guide rail with but resume sliding connection by fixed connection between the telescopic link.
Preferably, in the splash guard, the locking switch includes a sleeve fixedly connected to the guide rail and a pin located in the sleeve, a through hole for the pin to pass through is formed in the guide rail, and a clamping groove matched with the pin is formed in the telescopic rod.
Preferably, in the above splash guard, the sleeve includes a cylinder shell with a flange and a flange plate bolted to the cylinder shell;
the peripheral surface of the bolt is provided with an annular table, and the cylinder shell is contracted inwards away from the cylinder opening of the flange plate to form a limiting edge matched with the annular table;
the bolt is sleeved with a compression spring, one end of the compression spring is abutted to the annular table, and the other end of the compression spring is abutted to the flange plate.
Preferably, in the splash guard, the locking switch further includes a pin cap, a waist drum-shaped positioning table is convexly formed in the middle of the pin cap, a threaded hole is formed in the middle of the positioning table, and one end of the plug pin extending out of the flange plate is in threaded connection with the positioning table;
the middle part of the flange plate is provided with a deep groove and a shallow groove which are matched with the positioning table of the pin cap, and the shallow groove comprises a first groove and a second groove which are separated from two sides of the deep groove.
A drilling fluid shale shaker, includes the splashproof device, the splashproof device is any one of above-mentioned disclosures.
According to the technical scheme, the suspension bracket is fixedly connected with the base frame of the drilling fluid vibrating screen, the anti-splash plate is slidably connected with the suspension bracket, the anti-splash plate is parallel to the screen mesh of the drilling fluid vibrating screen, and the sliding direction of the anti-splash plate relative to the suspension bracket is parallel to the screen face of the screen mesh.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of an arrangement of a splash guard on a drilling fluid shaker, according to an embodiment of the present invention;
FIG. 2 is a schematic view of a state of the anti-splash device provided by the embodiment of the invention;
FIG. 3 is a schematic view of another state of the anti-splash device provided by the embodiment of the invention;
FIG. 4 is a cross-sectional view of a splash guard provided by an embodiment of the present invention;
FIG. 5 is a schematic view of the piece 42 of FIG. 4;
FIG. 6 is a schematic view of member 8 of FIG. 1;
FIG. 7 is a schematic view of the member 81 of FIG. 6;
FIG. 8 is a schematic view of the member 82 of FIG. 6;
fig. 9 is a schematic view of the piece 84 of fig. 6.
Labeled as:
1. a base; 2. a base frame; 21. a first cross member; 211. a hinged seat; 22. a second cross member; 221. a connecting rod; 222. a pi-shaped support; 3. an excitation motor; 4. a splash shield; 41. a long rod; 42. a short bar; 5. a screen box; 6. screening a screen; 7. a guide rail; 8. a locking switch; 81. a cartridge housing; 82. a flange plate; 83. a bolt; 84. a pin cap; 85. a bolt; 86. a compression spring; 9. an end cap; 91. a first pin shaft; 92. and a second pin shaft.
Detailed Description
For the purpose of facilitating understanding, the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 is a schematic diagram of an arrangement of a splash guard provided in an embodiment of the present invention on a drilling fluid vibrating screen, where a base frame 2 is installed on a base 1 of the drilling fluid vibrating screen, a screen box 5 is located in the base frame 2, an excitation motor 3 is located at the top of the base frame 2, and the splash guard is installed in the screen box 5 and located between the excitation motor 3 and a screen 6.
The splash-proof device provided by the embodiment of the invention comprises a splash-proof plate 4 and a suspension bracket, wherein the suspension bracket is fixedly connected with a base frame 2 of the drilling fluid vibrating screen, the splash-proof plate 4 is slidably connected with the suspension bracket, the splash-proof plate 4 is parallel to a screen 6 of the drilling fluid vibrating screen, and the sliding direction of the splash-proof plate 4 relative to the suspension bracket is parallel to the screen surface of the screen 6.
When the anti-splash device works normally, the anti-splash plate 4 can prevent drilling fluid on the screen 6 from splashing on the excitation motor 3 or splashing outside the screen box 5, when the screen 6 below the excitation motor 3 needs to be replaced, the anti-splash plate 4 is slid to move to the oblique lower side of the suspension bracket, and after the screen is replaced, the anti-splash plate 4 is slid to move back to the original position, so that the anti-splash device provided by the invention enables the anti-splash plate 4 to be easily moved away from the space between the excitation motor 3 and the screen 6, and people can conveniently replace the screen 6.
Referring to fig. 2 and 3, in the present embodiment, the suspension bracket includes a first beam 21, a second beam 22, and two rod-shaped guide rails 7, wherein the first beam 21 is parallel to the second beam 22, and both ends of the first beam 21 and both ends of the second beam 22 are welded to the base frame 2; the guide rails 7 are located below the first cross beam 21 and the second cross beam 22, one end of each guide rail 7 is connected with the first cross beam 21 in a hanging mode, the other end of each guide rail 7 is connected with the second cross beam 22 in a hanging mode, the plane where the two guide rails 7 are located is parallel to the screen surface of the screen 6, and the two guide rails 7 are parallel to each other. Fig. 2 and 3 show two different states of the splash guard according to the embodiment of the present invention, and as can be seen from fig. 2 and 3, the splash guard 4 is slidable along the guide rail 7 with respect to the suspension bracket, in the state shown in fig. 2, the splash guard 4 is positioned directly below the first beam 21 and the second beam 22, and in the state shown in fig. 3, the splash guard 4 is slid obliquely below the first beam 21 and the second beam 22.
In a specific practical application, the guide rail 7 may be a pipe, and in order to realize slidable connection between the splash guard 4 and the suspension bracket, a telescopic rod is sleeved in a tube cavity of the guide rail 7, as shown in fig. 2 and 3, an end of the telescopic rod is provided with a downwardly extending suspension column, and a tail end of the suspension column is fixedly connected with an upper surface of the splash guard 4. In order to secure the connection, in this embodiment, a flange plate (not labeled) is welded to the end of the suspension column, and the flange plate is connected to the splash shield 4 by bolts.
Referring to fig. 4, fig. 4 is a cross-sectional view of the splash guard according to an embodiment of the present invention, in this embodiment, the telescopic rod is composed of a long rod 41 and a short rod 42 which are separated from each other, the short rod 42 is shaped as shown in fig. 5, each of the long rod 41 and the short rod 42 has a hanging pillar, the hanging pillar of the long rod 41 is located outside the end of the guide rail 7, the lower surface of the guide rail 7 is provided with a long hole (not labeled) which is matched with the hanging pillar of the short rod 42, one end of the long hole is located in the middle of the guide rail 7, and the other end of the long hole is communicated with a nozzle of the guide rail 7 far from the long rod 41, and the length of the long hole is determined according to the slidable distance designed by the splash guard 4, it is understood that the length of the long rod 41 is greater than the slidable distance designed by the splash guard 4, so that when the short rod 42 slides to the end of the long hole, the end of the long rod 41 still partially remains in the lumen of the guide rail 7.
As shown in fig. 4, the right end of the guide rail 7 is connected to the second beam 22 through a connecting rod 221 and a pi-shaped support 222 in a hanging manner, the left end of the guide rail 7 is connected to the first beam 21 in a hanging manner through a hinge base 211 and an end cover 9, wherein one end of the end cover 9 is hinged to the hinge base 211 through a first pin 91, and the other end of the end cover is inserted into the tube cavity of the guide rail 7 and connected to the guide rail 7 through a second pin 92; the upper end of the connecting rod 221 is fixedly connected with the second beam 22, and the lower end is hinged with the pi-shaped support 222.
Although the splash guard 4 is designed to be slidably connected to the suspension bracket for the convenience of replacing the screen 6, during the time period when the screen 6 is not replaced by the drilling fluid vibrating screen, in order to ensure the normal function of the splash guard 4, it is necessary to ensure that the splash guard 4 does not slide at will, for this purpose, a locking switch 8 may be provided on the guide rail 7, as shown in fig. 2 and 3, when the locking switch 8 is closed, the slidable connection between the guide rail 7 and the telescopic rod is changed into a fixed connection, and when the locking switch 8 is opened, the fixed connection between the guide rail 7 and the telescopic rod is restored to the slidable connection.
Locking switch 8 specifically can adopt bolt screens structure, as shown in fig. 4 and fig. 6, in this embodiment, locking switch 8 includes the sleeve with guide rail 7 fixed connection and is located telescopic bolt 85, offer the through-hole (not marked in the figure) that supplies bolt 85 to pass on the guide rail 7, offer on stock 41 with bolt 85 complex screens hole (not marked in the figure), of course, also can offer the draw-in groove on stock 41 and replace the screens hole, as long as can cooperate with bolt 85 and form the joint structure can.
Referring to fig. 6 to 9, in the present embodiment, the sleeve includes a cylinder case 81 with a flange and a flange 82 fixedly connected to the cylinder case 81 by bolts 83; the peripheral surface of the bolt 85 is provided with an annular table, and the cylinder shell 81 is contracted inwards away from the cylinder opening of the flange plate 82 to form a limit edge matched with the annular table; the plug 85 is sleeved with a compression spring 86, one end of the compression spring 86 is abutted with the annular table, and the other end of the compression spring 86 is abutted with the flange 82. The latch 85 can be firmly pressed against the retaining hole of the long rod 41 by the elastic force of the compression spring 86, and when the locking switch 8 needs to be opened, the latch 85 needs to be pulled out by overcoming the elastic force of the compression spring 86.
When the plug pin 85 is pulled out from the locking hole of the long rod 41, the locking switch 8 is in an open state, and in order to keep the locking switch 8 in this state so that a worker can slide the splash shield 4, the plug pin 85 should be prevented from being automatically inserted back into the locking hole of the long rod 41 under the action of the elastic force of the compression spring 86, for this purpose, a pin cap 84 may be provided at the end of the plug pin 85 to form a snap connection with the flange 82, as shown in fig. 6, 8 and 9, a waist drum-shaped positioning table (not marked in the figure) is formed at the middle of the pin cap 84 in a protruding manner, a threaded hole (not marked in the figure) is formed at the middle of the positioning table, and one end of the plug pin 85, which extends out of the flange 82, is in threaded connection with the positioning table; the flange 82 has a central portion with deep grooves (not labeled) and shallow grooves (not labeled) in cooperation with the lands of the pin caps 84, the shallow grooves including first and second grooves separated on either side of the deep grooves.
When the locking switch 8 is in the off state, the positioning table of the pin cap 84 is positioned in the deep groove of the flange 82, after the positioning table of the pin cap 84 is pulled out from the deep groove of the flange 82, the locking switch 8 enters the snapping state, then the pin cap 84 is rotated and the positioning table is placed in the shallow groove of the flange 82, the flange 82 snaps the pin cap 84, and therefore the locking switch 8 is kept in the snapping state.
The invention further provides a drilling fluid vibrating screen which comprises the anti-splash device disclosed by the embodiment. Since the splash guard disclosed in the above embodiments has the above technical effects, the drilling fluid vibrating screen having the splash guard also has the above technical effects, and the details are not described herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An anti-splash device for a drilling fluid shaker, comprising:
the drilling fluid vibrating screen comprises a first cross beam (21) and a second cross beam (22) which are parallel to each other, wherein two ends of the first cross beam (21) and two ends of the second cross beam (22) are welded and connected with a base frame (2) of the drilling fluid vibrating screen;
two rod-shaped guide rails (7) which are positioned below the first cross beam (21) and the second cross beam (22) and are parallel to each other, wherein one end of each guide rail (7) is connected with the first cross beam (21) in a hanging manner, the other end of each guide rail (7) is connected with the second cross beam (22) in a hanging manner, and the guide rails (7) are parallel to the screen surface of the screen (6) of the drilling fluid vibrating screen;
the splash guard (4) is arranged in parallel to the screen (6), the splash guard (4) is connected with the guide rail (7) in a sliding mode, and the sliding direction of the splash guard (4) relative to the guide rail (7) is parallel to the screen surface of the screen (6).
2. The splash guard device as claimed in claim 1, wherein the guide rail (7) is a tube, a telescopic rod is sleeved in a tube cavity of the guide rail (7), the end of the telescopic rod is provided with a downwardly extending suspension column, and the tail end of the suspension column is fixedly connected with the upper surface of the splash guard (4).
3. Anti splash device according to claim 2, characterized in that a flange plate is welded to the end of the suspension post, which flange plate is bolted to the anti splash plate (4).
4. The splash guard as claimed in claim 2, wherein the telescopic rod is composed of a long rod (41) and a short rod (42) which are separated from each other, the long rod (41) and the short rod (42) are respectively provided with one suspension post, the suspension post of the long rod (41) is positioned outside the end part of the guide rail (7), the lower surface of the guide rail (7) is provided with a long hole matched with the suspension post of the short rod (42), one end of the long hole is positioned in the middle of the guide rail (7), and the other end of the long hole is communicated with a nozzle of the guide rail (7) far away from the long rod (41).
5. The splash guard device as claimed in any one of claims 2 to 4, further comprising a locking switch (8) disposed on the guide rail (7), wherein when the locking switch (8) is closed, the slidable connection between the guide rail (7) and the telescopic rod is changed into the fixed connection, and when the locking switch (8) is opened, the fixed connection between the guide rail (7) and the telescopic rod is restored into the slidable connection.
6. The anti-splash device according to claim 5, characterized in that the locking switch (8) comprises a sleeve fixedly connected with the guide rail (7) and a bolt (85) positioned in the sleeve, a through hole for the bolt (85) to pass through is formed in the guide rail (7), and a clamping groove matched with the bolt (85) is formed in the telescopic rod.
7. The anti-splash device according to claim 6, characterized in that the skirt comprises a flanged cartridge housing (81) and a flange (82) bolted to the cartridge housing (81);
the peripheral surface of the bolt (85) is provided with an annular table, and a cylinder opening of the cylinder shell (81) far away from the flange plate (82) is inwards shrunk to form a limiting edge matched with the annular table;
and a compression spring (86) is sleeved on the plug pin (85), one end of the compression spring (86) is abutted against the annular table, and the other end of the compression spring is abutted against the flange plate (82).
8. The anti-splash device according to claim 7, characterized in that the locking switch (8) further comprises a pin cap (84), a waist drum-shaped positioning table is convexly formed in the middle of the pin cap (84), a threaded hole is formed in the middle of the positioning table, and one end of the plug pin (85) extending out of the flange plate (82) is in threaded connection with the positioning table;
the middle part of the flange plate (82) is provided with a deep groove and a shallow groove which are matched with the positioning table of the pin cap (84), and the shallow groove comprises a first groove and a second groove which are separated from two sides of the deep groove.
9. A drilling fluid vibrating screen comprising a splash guard, wherein the splash guard is as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889634.5A CN110821428B (en) | 2018-08-07 | 2018-08-07 | Drilling fluid shale shaker and anti-splash device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810889634.5A CN110821428B (en) | 2018-08-07 | 2018-08-07 | Drilling fluid shale shaker and anti-splash device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110821428A CN110821428A (en) | 2020-02-21 |
| CN110821428B true CN110821428B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810889634.5A Active CN110821428B (en) | 2018-08-07 | 2018-08-07 | Drilling fluid shale shaker and anti-splash device thereof |
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| Country | Link |
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| CN (1) | CN110821428B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU207878U1 (en) * | 2021-09-02 | 2021-11-22 | Управляющая компания общество с ограниченной ответственностью "ТМС групп" | Mobile Mud Treatment Rig |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595990Y (en) * | 2003-01-28 | 2003-12-31 | 郑州海来能源科技有限公司 | Splashing prevention device for drilling fluid vibrating screen |
| CN202176293U (en) * | 2011-07-21 | 2012-03-28 | 濮阳市共振石油机械有限公司 | Splashing prevention device of drilling fluid vibrating screen |
| CN102839935A (en) * | 2012-09-14 | 2012-12-26 | 成都西部石油装备有限公司 | Drilling fluid vibrating screen with anti-splash cover plate |
| CN103624001A (en) * | 2013-12-23 | 2014-03-12 | 四川首富曼石油装备有限公司 | Mud fending device |
| CN203972286U (en) * | 2014-06-16 | 2014-12-03 | 青岛天时石油机械有限公司 | Vibratory sieve and anti-splash device thereof |
| US9644437B1 (en) * | 2014-02-19 | 2017-05-09 | Roderick J. Hulin | Splash guard |
-
2018
- 2018-08-07 CN CN201810889634.5A patent/CN110821428B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2595990Y (en) * | 2003-01-28 | 2003-12-31 | 郑州海来能源科技有限公司 | Splashing prevention device for drilling fluid vibrating screen |
| CN202176293U (en) * | 2011-07-21 | 2012-03-28 | 濮阳市共振石油机械有限公司 | Splashing prevention device of drilling fluid vibrating screen |
| CN102839935A (en) * | 2012-09-14 | 2012-12-26 | 成都西部石油装备有限公司 | Drilling fluid vibrating screen with anti-splash cover plate |
| CN103624001A (en) * | 2013-12-23 | 2014-03-12 | 四川首富曼石油装备有限公司 | Mud fending device |
| US9644437B1 (en) * | 2014-02-19 | 2017-05-09 | Roderick J. Hulin | Splash guard |
| CN203972286U (en) * | 2014-06-16 | 2014-12-03 | 青岛天时石油机械有限公司 | Vibratory sieve and anti-splash device thereof |
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| CN110821428A (en) | 2020-02-21 |
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