CN103567145A - Screen plate for petroleum drilling fluid - Google Patents
Screen plate for petroleum drilling fluid Download PDFInfo
- Publication number
- CN103567145A CN103567145A CN201310558505.5A CN201310558505A CN103567145A CN 103567145 A CN103567145 A CN 103567145A CN 201310558505 A CN201310558505 A CN 201310558505A CN 103567145 A CN103567145 A CN 103567145A
- Authority
- CN
- China
- Prior art keywords
- plate
- screen cloth
- liner plate
- screen
- drilling fluid
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screen plate for petroleum drilling fluid. The screen plate comprises a liner plate which is arranged in a slant mode. A plate-type screen is spliced to the liner plate, a wave-type screen is spliced to the plate-type screen, a plurality of through holes are formed in the liner plate, and the diameters of the through holes are smaller than the diameters of meshes of the plate-type screen. The screen plate further comprises pressing devices arranged at the two ends of the liner plate, and the liner plate is fixed to an external screen box through the pressing devices. The wave-type screen, the plate-type screen and the liner plate are sequentially arranged, the filtering area of the wave-type screen is larger than that of a common plate-type screen, the filtering area can be increased by 25%-50%, and the filtering efficiency of the screen box is improved; the meshes of the plate-type screen arranged below the wave-type screen are small, solid-phase matter with the small diameters can be further filtered, the drilling fluid finally flows out from the through holes in the liner plate, and the filtering efficiency of the solid-phase matter in the drilling fluid is improved through the arrangement of the two screens.
Description
Technical field
The present invention relates to drilling equipment, specifically refer to a kind of petroleum drilling fluid sieve plate.
Background technology
Vibratory sieve mainly rotates by driven by motor vibrator, the inertia force that the generation cycle changes, and mud solid phase particle enters compass screen surface, does sling movement on compass screen surface, and the solid phase particles classification of differing in size is removed.The separation of a vibratory sieve footpath and treating capacity are the key factors of vibratory sieve apolegamy.
And drilling fluid vibrating sieve is the one-level solid control equipment in drilling mud solid control system, when processing separation is returned out from well head by mud, institute is with a large amount of drilling cuttings so that mud enters the second-order separation equipment, and main processing from shaft bottom returned mud the solid phase particles more than 85 μ m that starch.Drilling fluid vibrating sieve is to design according to the Theory of Vibration of compass screen surface generation straight-line trajectory.Two motor perpendicular bisectors become a angle with sieve angle, such two shock electric machine direction of rotation, and its produced exciting power that mutually moves, cancels out each other at directions X, and exciting force is zero.And thereby the mutual stack of the exciting force of two motors drives whole upper and lower screen box along the reciprocating motion of Y direction in the Y direction, make the mud on screen cloth face be thrown along Y direction simultaneously, while then freely falling, moved forward, so constantly being thrown to fall travels forward mud, mud liquid is sifted out by bleed slurry tank and most of solid particle in mud of screen cloth, thereby has played mud liquid catharsis.
Because shock electric machine is for a long time in running status, fault rate is high, and the workload of maintenance is large, and what particularly sieve plate fault occurred is particularly frequent, and the loss percentage of screen cloth also increases greatly, stability decreases while therefore causing sieve plate work.
summary of the invention
The object of the present invention is to provide a kind of petroleum drilling fluid sieve plate, reduce the loss percentage of screen cloth, improve the stability of sieve plate work.
Object of the present invention is achieved through the following technical solutions:
A kind of petroleum drilling fluid sieve plate, comprise the liner plate being obliquely installed, on liner plate, be bonded with board-like screen cloth, on board-like screen cloth, be bonded with wave screen cloth, on liner plate, offer a plurality of through holes, the diameter of through hole is less than the mesh diameter of board-like screen cloth, also comprises the hold down gag that is arranged on liner plate two ends, and liner plate is fixed on outside screen box by hold down gag.Traditional board-like screen cloth of the general use of screen box, is limited to order number less on screen cloth, and the filtration area of board-like screen cloth is little, so its filtration efficiency is also low, and screen cloth is in use easily impaired; The present invention adopts the design of double-layer leaching net, be disposed with wave screen cloth, board-like screen cloth and liner plate, wave screen cloth is larger than the filtration area of common board-like screen cloth, can increase by 25% ~ 50% filtration area, improved the filtration efficiency of screen box, the mesh of board-like screen cloth that is arranged on wave screen cloth below is less, can further the less solid phase of diameter be filtered, last drilling fluid flows out in the through hole from liner plate again, and arranging of Double-layer screen improved the filtration efficiency of solid phase in drilling fluid; Because liner plate can constantly vibrate at work, thereby cause producing between liner plate and screen box mutual active force, when serious, can cause liner plate and come off, be arranged on the hold down gag at liner plate two ends, liner plate can be fixedly connected on screen box, reduce the interaction force between liner plate and screen box, guarantee the stability of its work.
Described hold down gag comprises L shaped brace, and L shaped brace is connected with outside screen box with liner plate respectively by hold-down bolt, also comprises the Rubber shock-absorbing pad that is arranged on hold-down bolt below.When screen box is worked, screen cloth and liner plate be vibration thereupon all, the interaction force producing between liner plate and screen box makes L shaped brace loosening, when serious, can cause liner plate to come off, the Rubber shock-absorbing pad that is arranged on hold-down bolt below can cushion the interaction force of generation, to be rigidly connected to become flexibly connects, and has increased the stability of liner plate.
Described board-like screen cloth is polyurethane screen.Ammonia ester elastomer screen cloth has utilized the anti-wear performance of polyurethane elastomer brilliance fully, the high strength in broad hardness range, high elongation and high resiliency, good damping performance, anti-wear performance is good, long service life, its wearability is 3 ~ 5 times of steel sieve plate, is the more than 5 times of General Purpose Rubber sieve plate; Maintenance load is little, and polyurethane sieve plate is not fragile, and therefore long service life can reduce maintenance capacity and stop production to overhaul loss greatly.
Also comprise the rubber stopper being arranged on wave screen cloth.In use may there is local damage in wave screen cloth, if directly replacing can cause cost to increase, the rubber stopper of setting can be used for repairing the breakage of wire side, can effectively save time, and reduces maintenance cost.
The order number of described wave screen cloth is greater than the order number of board-like screen cloth.The online order number of two layer screen successively decreases successively, can strengthen further filtration efficiency, the wave screen cloth of ground floor can filter the larger solid phase of most diameter, the less solid phase of diameter is by the board-like screen cloth filtering of the second layer, filter layer by layer and can, by the solid phase filtering of the overwhelming majority in drilling fluid, improve the efficiency that screen box filters.
The cross section of described through hole is parallelogram.General sieve aperture is vertical with the plane at sieve plate place, and through hole of the present invention is vertical with horizontal plane, increases the saturating area of sieve, has improved the efficiency filtering.
The present invention compared with prior art, has following advantage and beneficial effect:
1, a kind of petroleum drilling fluid sieve plate of the present invention, comprise the liner plate being obliquely installed, on liner plate, be bonded with board-like screen cloth, on board-like screen cloth, be bonded with wave screen cloth, on liner plate, offer a plurality of through holes, the diameter of through hole is less than the mesh diameter of board-like screen cloth, also comprises the hold down gag that is arranged on liner plate two ends, and liner plate is fixed on outside screen box by hold down gag; Be disposed with wave screen cloth, board-like screen cloth and liner plate, wave screen cloth is larger than the filtration area of common board-like screen cloth, can increase by 25% ~ 50% filtration area, improved the filtration efficiency of screen box, the mesh of board-like screen cloth that is arranged on wave screen cloth below is less, can further the less solid phase of diameter be filtered, last drilling fluid flows out in the through hole from liner plate again, and arranging of Double-layer screen improved the filtration efficiency of solid phase in drilling fluid;
2, a kind of petroleum drilling fluid sieve plate of the present invention, when screen box is worked, screen cloth and liner plate be vibration thereupon all, the interaction force producing between liner plate and screen box makes L shaped brace loosening, when serious, can cause liner plate to come off, the Rubber shock-absorbing pad that is arranged on hold-down bolt below can cushion the interaction force of generation, and will be rigidly connected to become flexibly connects, and has increased the stability of liner plate;
3, a kind of petroleum drilling fluid sieve plate of the present invention, in use may there is local damage in wave screen cloth, if directly replacing can cause cost to increase, the rubber stopper of setting can be used for repairing the breakage of wire side, can effectively save time, and reduces maintenance cost.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms the application's a part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Mark and corresponding parts title in accompanying drawing:
1-wave screen cloth, the board-like screen cloth of 2-, 3-liner plate, 4-L shape brace, 5-screen box, 6-Rubber shock-absorbing pad, 7-hold-down bolt, 8-through hole, 9-rubber stopper.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment
As depicted in figs. 1 and 2, a kind of petroleum drilling fluid sieve plate of the present invention, comprise the liner plate 3 being obliquely installed, on liner plate 3, be bonded with board-like screen cloth 2, on board-like screen cloth 2, be bonded with wave screen cloth 1, offer a plurality of through holes 8 on liner plate 3, the diameter of through hole 8 is less than the mesh diameter of board-like screen cloth 2, also comprise the hold down gag that is arranged on liner plate 3 two ends, liner plate 3 is fixed on outside screen box 5 by hold down gag; Hold down gag comprises L shaped brace 4, and L shaped brace 4 is connected with outside screen box 5 with liner plate 3 respectively by hold-down bolt 7, also comprises the Rubber shock-absorbing pad 6 that is arranged on hold-down bolt 7 belows.
The board-like screen cloth 2 that traditional screen box is used, is limited to order number less on screen cloth, and the filtration area of board-like screen cloth 2 is little, so its filtration efficiency is also low, and screen cloth is in use easily impaired; The present invention adopts the design of double-layer leaching net, be disposed with wave screen cloth 1, board-like screen cloth 2 and liner plate 3, wave screen cloth 1 is larger than the filtration area of common board-like screen cloth 2, can increase by 25% ~ 50% filtration area, improved the filtration efficiency of screen box 5, the mesh of board-like screen cloth 2 that is arranged on wave screen cloth 1 below is less, can further the less solid phase of diameter be filtered, last drilling fluid flows out in the through hole from liner plate 38 again, and arranging of Double-layer screen improved the filtration efficiency of solid phase in drilling fluid; When screen box 5 work, screen cloth and liner plate 3 be vibration thereupon all, the interaction force producing between liner plate 3 and screen box 5 makes L shaped brace 4 loosening, when serious, can cause liner plate 3 to come off, the Rubber shock-absorbing pad 6 that is arranged on hold-down bolt 7 belows can cushion the interaction force of generation, to be rigidly connected to become flexibly connects, and has increased the stability of liner plate 3.
Wherein, in use may there is local damage in wave screen cloth 1, if directly replacing can cause cost to increase, the rubber stopper 9 of setting can be used for repairing the breakage of wire side, can effectively save time, and reduces maintenance cost.
The above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. a petroleum drilling fluid sieve plate, comprise the liner plate (3) being obliquely installed, it is characterized in that: on liner plate (3), be bonded with board-like screen cloth (2), on board-like screen cloth (2), be bonded with wave screen cloth (1), on liner plate (3), offer a plurality of through holes (8), the diameter of through hole (8) is less than the mesh diameter of board-like screen cloth (2), also comprises the hold down gag that is arranged on liner plate (3) two ends, and liner plate (3) is fixed on outside screen box (5) by hold down gag.
2. a kind of petroleum drilling fluid sieve plate according to claim 1, it is characterized in that: described hold down gag comprises L shaped brace (4), L shaped brace (4) is connected with outside screen box (5) with liner plate (3) respectively by hold-down bolt (7), also comprises the Rubber shock-absorbing pad (6) that is arranged on hold-down bolt (7) below.
3. a kind of petroleum drilling fluid sieve plate according to claim 1, is characterized in that: described board-like screen cloth (2) is polyurethane screen.
4. a kind of petroleum drilling fluid sieve plate according to claim 1, is characterized in that: also comprise the rubber stopper (9) being arranged on wave screen cloth (1).
5. a kind of petroleum drilling fluid sieve plate according to claim 1, is characterized in that: the order number of described wave screen cloth (1) is greater than the order number of board-like screen cloth (2).
6. according to a kind of petroleum drilling fluid sieve plate described in claim 1 ~ 5 any one, it is characterized in that: the cross section of described through hole (8) is parallelogram.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310558505.5A CN103567145A (en) | 2013-11-12 | 2013-11-12 | Screen plate for petroleum drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310558505.5A CN103567145A (en) | 2013-11-12 | 2013-11-12 | Screen plate for petroleum drilling fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103567145A true CN103567145A (en) | 2014-02-12 |
Family
ID=50040353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310558505.5A Pending CN103567145A (en) | 2013-11-12 | 2013-11-12 | Screen plate for petroleum drilling fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103567145A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623968A (en) * | 2015-01-31 | 2015-05-20 | 成都科盛石油科技有限公司 | Special filtering equipment for petroleum drilling fluid |
| CN105041244A (en) * | 2015-07-22 | 2015-11-11 | 成都来宝石油设备有限公司 | Mechanism for filtering petroleum drilling fluid |
| CN111495011A (en) * | 2020-04-29 | 2020-08-07 | 杭州震弘环境科技有限公司 | Integrated sewage treatment equipment |
| CN113955890A (en) * | 2021-09-27 | 2022-01-21 | 玖龙纸业(天津)有限公司 | Papermaking sewage treatment system |
| CN114054343A (en) * | 2021-11-25 | 2022-02-18 | 安平县盛佳五金网业有限公司 | Wave type vibration screen with excellent effect |
| CN114504793A (en) * | 2022-02-21 | 2022-05-17 | 唐山师范学院 | Automatic volleyball throwing machine used during volleyball teaching training |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0667190B1 (en) * | 1994-02-10 | 1999-08-04 | Zipfinger Ag | Screening panel and method of manufacturing the screening panel |
| CN2411857Y (en) * | 2000-01-05 | 2000-12-27 | 于立忠 | Shock resistance viberation screen mesh |
| CN2764926Y (en) * | 2004-12-02 | 2006-03-15 | 田代玉 | Vibrating screen mesh for sizing filtration of drilling fluid |
| CN202591119U (en) * | 2012-05-10 | 2012-12-12 | 安徽科雷伯格胶辊有限公司 | Polyurethane rubber tension sieve plate |
| CN203155545U (en) * | 2013-04-17 | 2013-08-28 | 天地（唐山）矿业科技有限公司 | Screen surface for linear vibrating screen |
-
2013
- 2013-11-12 CN CN201310558505.5A patent/CN103567145A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0667190B1 (en) * | 1994-02-10 | 1999-08-04 | Zipfinger Ag | Screening panel and method of manufacturing the screening panel |
| CN2411857Y (en) * | 2000-01-05 | 2000-12-27 | 于立忠 | Shock resistance viberation screen mesh |
| CN2764926Y (en) * | 2004-12-02 | 2006-03-15 | 田代玉 | Vibrating screen mesh for sizing filtration of drilling fluid |
| CN202591119U (en) * | 2012-05-10 | 2012-12-12 | 安徽科雷伯格胶辊有限公司 | Polyurethane rubber tension sieve plate |
| CN203155545U (en) * | 2013-04-17 | 2013-08-28 | 天地（唐山）矿业科技有限公司 | Screen surface for linear vibrating screen |
Non-Patent Citations (1)
| Title |
|---|
| 原二龙: "振动筛筛板结构的技术改造", 《洁净煤技术》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104623968A (en) * | 2015-01-31 | 2015-05-20 | 成都科盛石油科技有限公司 | Special filtering equipment for petroleum drilling fluid |
| CN105041244A (en) * | 2015-07-22 | 2015-11-11 | 成都来宝石油设备有限公司 | Mechanism for filtering petroleum drilling fluid |
| CN111495011A (en) * | 2020-04-29 | 2020-08-07 | 杭州震弘环境科技有限公司 | Integrated sewage treatment equipment |
| CN113955890A (en) * | 2021-09-27 | 2022-01-21 | 玖龙纸业(天津)有限公司 | Papermaking sewage treatment system |
| CN114054343A (en) * | 2021-11-25 | 2022-02-18 | 安平县盛佳五金网业有限公司 | Wave type vibration screen with excellent effect |
| CN114504793A (en) * | 2022-02-21 | 2022-05-17 | 唐山师范学院 | Automatic volleyball throwing machine used during volleyball teaching training |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103567145A (en) | Screen plate for petroleum drilling fluid | |
| CN105772395B (en) | A kind of double mass vertical vibration antiresonance sieve | |
| CN201768687U (en) | Large vibration screen with a secondary vibration screen surface | |
| CN203565335U (en) | Wear-proof vibrating sieve plate | |
| CN104624485B (en) | It is quick to remove bulk materials oscillatory type flip flop screen | |
| CN203044328U (en) | Flip-flop screen | |
| CN204953330U (en) | Vibrating screen | |
| CN202539063U (en) | Heavy multi-step banana screening equipment | |
| CN107990673A (en) | A kind of mineral products high-frequency oscillation dewatering screen of good damping effect | |
| CN202539064U (en) | Heavy-duty multi-stage screening equipment | |
| CN204002657U (en) | A kind of petroleum drilling fluid vibrosieve | |
| CN201871481U (en) | Multilayer high-frequency vibrating fine screen | |
| CN102896091A (en) | Tensioning mechanism for screen mesh of vibrating screen | |
| CN213792684U (en) | Compound double mass vibration screening equipment | |
| CN205628583U (en) | Bounce screen | |
| CN202667132U (en) | Cantilever rod resonance screen surface vibrating screen | |
| CN210434855U (en) | Anti-resonance slurry vibration screen | |
| CN204953337U (en) | Two -layer equation shale shaker | |
| CN106799347A (en) | A kind of filter method of drilling fluid | |
| CN203124253U (en) | Heavy type multi-segment screening device | |
| CN206716450U (en) | Sort reciprocating sieve | |
| CN204276345U (en) | Vibration reduction support unit and arc vibration sieve | |
| CN111001559B (en) | Suspension type dish-shaped coupling vibration screening machine | |
| CN2744427Y (en) | Highly efficient laminated electromagnet oscillatory mesh screen | |
| CN104525472A (en) | Powdered graphite screening machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140212 |