CN203867501U - Drilling fluid vibrating screen capable of generating spatial Lissajouss tracks - Google Patents
Drilling fluid vibrating screen capable of generating spatial Lissajouss tracks Download PDFInfo
- Publication number
- CN203867501U CN203867501U CN201420308772.7U CN201420308772U CN203867501U CN 203867501 U CN203867501 U CN 203867501U CN 201420308772 U CN201420308772 U CN 201420308772U CN 203867501 U CN203867501 U CN 203867501U
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- CN
- China
- Prior art keywords
- drilling fluid
- electric machine
- base
- shock electric
- screen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 239000012530 fluid Substances 0.000 title claims abstract description 26
- 230000035939 shock Effects 0.000 claims description 33
- 239000007790 solid phase Substances 0.000 abstract description 13
- 230000033001 locomotion Effects 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 7
- 239000004744 fabric Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 239000007791 liquid phase Substances 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 abstract 6
- 238000012216 screening Methods 0.000 abstract 5
- 239000003208 petroleum Substances 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 235000019580 granularity Nutrition 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241001212149 Cathetus Species 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model relates to a drilling fluid vibrating screen capable of generating spatial Lissajouss tracks and belongs to the field of solid-liquid separation devices for petroleum drilling fluid. The drilling fluid vibrating screen comprises a slow flow tank, a base, a screening tank and a supporting spring, wherein the slow flow tank is arranged at one end of the base, the screening tank is arranged on the base on one side of the slow flow tank, linear excitation motors are arranged at the top of the screening tank, and a circumferential excitation motor is arranged below an installation rod between the linear excitation motors. In the working process of the vibrating screen, the linear excitation motors drive the screening tank to perform linear movement, the circumferential excitation motor drives the screening tank to perform circumferential movement, and the spatial Lissajouss tracks are generated after the linear movement is combined with the circumferential movement. When mud flows through the screen surface of the vibrating screen, solid phases with particle sizes larger than those of meshes of screen cloth are thrown away from the screen surface and move forwards under the action of linear excitation force, and liquid phases and solid phases with particle sizes smaller than those of meshes of the screen cloth pass through the screen cloth to be recycled. Accordingly, the sticking screen cloth of the vibrating screen in the process of petroleum drilling is effectively reduced, and the recycling rate of the drilling fluid is increased.
Description
Technical field
The utility model relates to a kind of space Li Saru track drilling fluid vibrating sieve, belongs to oil drilling slurry solid-liquid separating equipment field.
Background technology
In Process of Oil Well Drilling, need to use drilling fluid vibrating sieve (abbreviation bore screen) to process mud, so that mud can recycle again.Existing bore screen vibration mode has three kinds: circle track, straight path and elliptical orbit.These three kinds of tracks are all the motions in fore-and-aft plane, make the solid phase particles on compass screen surface only stressed in the plane, will be difficult to be thrown out once be stuck in screened port, form so-called " sticking screen " phenomenon.The consequence that this phenomenon is brought is that after screen cloth is blocked by solid phase, drilling fluid cannot sieve smoothly thoroughly, produces " running pulp ", thereby has wasted greatly drilling fluid, and drilling fluid can not effectively be recycled.
Summary of the invention
The purpose of this utility model is: provide one can make solid phase particles in space three directions all stressed, thereby reduce " sticking screen " phenomenon, solve and existingly blocked by solid phase because of screen cloth, drilling fluid cannot thoroughly sieve smoothly and cause the generation of " running pulp ", and then drilling fluid can not effectively be recycled and causes the space Li Saru track drilling fluid vibrating sieve of drilling fluid waste problem.
The technical solution of the utility model is:
A kind of space Li Saru track drilling fluid vibrating sieve, comprise unhurried current case, base, screen box and support spring, it is characterized in that: base one end is provided with unhurried current case by support column, on the base of unhurried current case one side, be movably installed with screen box by supporting pin, on the screen box of supporting pin both sides, be symmetrically arranged with supporting seat, between supporting seat and base, be provided with support spring, on the base of screen box front end, be provided with adjustable column, screen box is flexibly connected with adjustable column by connector; Screen box top is symmetrically installed with straight line shock electric machine by mounting rod, and the mounting rod below between straight line shock electric machine is provided with circumference shock electric machine.Described screen box one end extends to unhurried current case below.
The described axis of circumference shock electric machine and the angle of horizontal plane are the axis of 45 ± 15 ° of straight line shock electric machines and the axis of circumference shock electric machine is mutually vertical.
The axis of described circumference shock electric machine intersects with the central point between straight line shock electric machine.
The utility model has the advantage of:
This space Li Saru track drilling fluid vibrating sieve is simple in structure, and course of work cathetus shock electric machine drives screen box moving linearly; Circumference shock electric machine drives screen box to circle, and after two kinds of motions are synthetic, will produce space Li Saru track.While making slurry flows cross the compass screen surface of vibrosieve, under the effect of straight line exciting force, the solid phase that granularity is greater than screened port is pulled out away from compass screen surface, and migration forward; The solid phase that liquid phase and granularity are less than screened port sees through from screened port, and is recovered utilization; Thereby effectively reduce " sticking screen " phenomenon of vibrosieve in Process of Oil Well Drilling, improve the recovery utilization rate of drilling fluid.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is screen box lateral view of the present utility model;
Fig. 3 is that the A of Fig. 1 is to structural representation;
Fig. 4 is the curve map of space of the present utility model Li Saru track.
In figure: 1, unhurried current case, 2, base, 3, screen box, 4, support spring, 5, support column, 6, supporting pin, 7, supporting seat, 8, adjustable column, 9, connector, 10, straight line shock electric machine, 11, circumference shock electric machine.
Detailed description of the invention
This space Li Saru track drilling fluid vibrating sieve comprises unhurried current case 1, base 2, screen box 3 and support spring 4.Base 2 one end are provided with unhurried current case 1 by support column 5.On the base 2 of unhurried current case 1 one sides, be movably installed with screen box 3 by supporting pin 6, screen box 3 one end extend to unhurried current case 1 below.On the screen box 3 of supporting pin 6 both sides, be symmetrically arranged with supporting seat 7, between supporting seat 7 and base 2, be provided with support spring 4.On the base 2 of screen box 3 front ends, be provided with adjustable column 8, screen box 3 is flexibly connected with adjustable column 8 by connector 9; The object of adjustable column 8 is the elevations angle that regulate screen box 3 by connector 9, and the mud flowing out with the case 1 of avoiding flowing slowly in the course of work is piled up or too fast outflow screen box 3 at screen box 3.The top of screen box 3 is symmetrically installed with straight line shock electric machine 10 by mounting rod, and the mounting rod below between straight line shock electric machine 10 is provided with circumference shock electric machine 11(referring to accompanying drawing 1-3).
Two straight line shock electric machines, the 10 synchronous backward rotations of this space Li Saru track drilling fluid vibrating sieve, produce thus a straight line exciting force, the barycenter of the sieve nest that the direction of this power must consist of screen box 3 and straight line shock electric machine 10, due to the axis of circumference shock electric machine 11, and the angle of horizontal plane is the axis of 45 ± 15 ° of straight line shock electric machines 10 and the axis of circumference shock electric machine 11 is mutually vertical, and the axis of circumference shock electric machine 11 intersects with the central point between straight line shock electric machine 10; The plane of oscillation of circumference shock electric machine 11 is vertical with the exciting force direction of straight line shock electric machine 10, could produce thus a clockwise or counterclockwise circumference exciting force, and the centroid position of the sieve nest that the center of circle of this exciting force forms at screen box 3 and circumference shock electric machine 11, will produce space Li Saru track (referring to accompanying drawing 4) after two kinds of motions are synthetic.The Li Saru equation of locus of this space Li Saru track drilling fluid vibrating sieve is
in formula, A is the amplitude that circumference vibrator produces, and B is the amplitude that linear vibration exciter produces, and A and B do not equate or not etc.
When this vibrosieve work; Slurry flows is crossed in the compass screen surface process of screen box 3, and under the effect of straight line exciting force, the solid phase that those granularities are greater than screened port is pulled out away from compass screen surface, and migration forward; The solid phase that liquid phase and granularity are less than screened port sees through from screened port, and is recovered utilization.In this course, granularity just is easy to be stuck in eyelet with the much the same solid phase particles of size of screened port, hindering liquid phase sieves smoothly thoroughly, only depend on the effect of straight line exciting force to be difficult to solid phase particles to throw out, now circumference exciting force has been brought into play important function, solid phase particles, under the effect of circumference exciting force, easily gets loose in eyelet, then under the effect of straight line exciting force, is thrown out; Thereby effectively improve the Separation of Solid and Liquid work of drilling fluid, reduced " sticking screen " phenomenon, and then improved the recovery utilization rate of drilling fluid.
Embodiment described in the utility model is only the description that preferred embodiment of the present utility model is carried out; not the utility model design and scope are limited; do not departing under the prerequisite of the utility model design philosophy; various distortion and improvement that in this area, engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents of the utility model request protection, has all been documented in claims.
Claims (3)
1. a space Li Saru track drilling fluid vibrating sieve, comprise unhurried current case (1), base (2), screen box (3) and support spring (4), it is characterized in that: base (2) one end is provided with unhurried current case (1) by support column (5), the base (2) of unhurried current case (1) one side is above movably installed with screen box (3) by supporting pin (6), and screen box (3) one end extends to unhurried current case (1) below; On the screen box (3) of supporting pin (6) both sides, be symmetrically arranged with supporting seat (7), between supporting seat (7) and base (2), be provided with support spring (4), on the base (2) of screen box (3) front end, be provided with adjustable column (8), screen box (3) is flexibly connected with adjustable column (8) by connector (9); Screen box (3) top is symmetrically installed with straight line shock electric machine (10) by mounting rod, and the mounting rod below between straight line shock electric machine (10) is provided with circumference shock electric machine (11).
2. a kind of space according to claim 1 Li Saru track drilling fluid vibrating sieve, is characterized in that: the axis of described circumference shock electric machine (11) is mutually vertical with the axis of circumference shock electric machine (11) with the axis that the angle of horizontal plane is 45 ± 15 ° of straight line shock electric machines (10).
3. a kind of space according to claim 1 Li Saru track drilling fluid vibrating sieve, is characterized in that: the axis of described circumference shock electric machine (11) intersects with the central point between straight line shock electric machine (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308772.7U CN203867501U (en) | 2014-06-11 | 2014-06-11 | Drilling fluid vibrating screen capable of generating spatial Lissajouss tracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308772.7U CN203867501U (en) | 2014-06-11 | 2014-06-11 | Drilling fluid vibrating screen capable of generating spatial Lissajouss tracks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203867501U true CN203867501U (en) | 2014-10-08 |
Family
ID=51648471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308772.7U Expired - Fee Related CN203867501U (en) | 2014-06-11 | 2014-06-11 | Drilling fluid vibrating screen capable of generating spatial Lissajouss tracks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203867501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033116A (en) * | 2014-06-11 | 2014-09-10 | 长江大学 | Spatial Lissajous track drilling fluid shale shaker |
| CN116393359A (en) * | 2023-05-05 | 2023-07-07 | 辽宁科技大学 | Composite vibrating screen |
-
2014
- 2014-06-11 CN CN201420308772.7U patent/CN203867501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033116A (en) * | 2014-06-11 | 2014-09-10 | 长江大学 | Spatial Lissajous track drilling fluid shale shaker |
| CN116393359A (en) * | 2023-05-05 | 2023-07-07 | 辽宁科技大学 | Composite vibrating screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150611 |
|
| EXPY | Termination of patent right or utility model |