CN203701965U - High-pressure abrasive device - Google Patents
High-pressure abrasive device Download PDFInfo
- Publication number
- CN203701965U CN203701965U CN201420054143.6U CN201420054143U CN203701965U CN 203701965 U CN203701965 U CN 203701965U CN 201420054143 U CN201420054143 U CN 201420054143U CN 203701965 U CN203701965 U CN 203701965U
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- CN
- China
- Prior art keywords
- abrasive material
- inner core
- seal chamber
- helical axis
- pressure
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- Expired - Fee Related
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Abstract
The utility model is mainly applied to the technical field of abrasive jet of petroleum drilling engineering, and particularly relates to a high-pressure abrasive device. An outer cylinder is installed on a base, a manhole flange is arranged between the top of the outer cylinder and the top of an inner cylinder, a through hole is formed in the manhole flange, a screw shaft is installed in the inner cylinder, the top of the screw shaft is connected with the motor through a coupler, a seal chamber is formed between the top of the inner cylinder and the screw shaft, the seal chamber is fastened on the manhole flange, a sealed box is arranged in the seal chamber, an end cover is fastened on the seal chamber, an arc-shaped notch is formed in the lower portion of the inner cylinder, the bottom of the screw shaft is provided with a TC bearing supporting frame and a TC bearing, and the TC bearing supporting frame is fastened with the inner cylinder. The high-pressure abrasive device effectively solves the problem that steel abrasives are accumulated and compacted at the bottom of a tank, therefore, the steel abrasives can fall evenly and stably, and the steel abrasives are carried by drilling fluid to impact and crush rock at a shaft bottom; in addition, the falling speed of the steel abrasives can be adjusted by adjusting the rotation speed of the conveying screw shaft.
Description
Technical field
The utility model relates to a kind of high-pressure abrasive material device, is mainly used in petroleum drilling engineering abradant jet technical field.
Background technology
At present, abradant jet stock-removing efficiency than the high 8-10 of the water jet under the same terms doubly, is widely used in the fields such as cleaning, cutting, rust cleaning and fractured rock.Abradant jet is divided into rear mixing abradant jet and front mixing abradant jet.Front mixing abradant jet is that high-pressure abrasive material device is arranged between high-pressure pump and nozzle, the cleaner for high-pressure drilling fluid that high-pressure pump transfers out, a part is delivered in high-pressure abrasive material device, another part makes the abrasive material of exporting in high-pressure abrasive material device obtain larger kinetic energy, abrasive material slurry sprays brokenly rock by bit port, improves rate of penetration.In front mixing abradant jet drilling technology, abrasive material (particle diameter is about the steel spherolite of 1mm) is joined in cleaner for high-pressure drilling fluid and carries out auxiliary rock, to improve the bit speed of hard formation.Steel abrasive material is stored in high-pressure abrasive material device, and gravity by steel abrasive material falls from the outlet of high-pressure abrasive material device, by conveying device by injection cleaner for high-pressure drilling fluid uniform and stable steel abrasive material.When turn on pump note steel abrasive material, abrasive material is easily deposited in high-pressure abrasive material device bottom, has hindered the whereabouts of steel abrasive material, easily causes problems such as suppressing pump; Meanwhile, uniform and stablely controlled in cleaner for high-pressure drilling fluid, inject steel abrasive material in order to realize, high-pressure abrasive material device discharging opening also needs to connect high pressure steel abrasive material conveyer, has increased the complexity of technological process, and safety factor is not high.
Utility model content
The technical problems to be solved in the utility model is: provide one can realize steel abrasive material and evenly fall, speed is controlled, simple in structure, the high-pressure abrasive material device that can avoid again steel abrasive material to pile up in tank base.
High-pressure abrasive material device described in the utility model, comprise urceolus and inner core, urceolus is arranged on base, between urceolus and inner core top, manhole flange is set, on manhole flange, be furnished with through hole, manhole flange connects respectively feed pipe by through hole, bleed off pipe and pressure-equalizing pipe, helical axis is installed in inner core, helical axis top connects motor by shaft coupling, between inner core top and helical axis, be provided with seal chamber, seal chamber is fastened on manhole flange, seal box is set in seal chamber, seal box top sets gradually clamp nut from the bottom to top, circlip, self-aligning thrust roller bearing and end cap, end cap is fastened on seal chamber, inner core bottom is provided with circular arc cutaway, helical axis bottom arranges TC bearing supporting frame and TC bearing, TC bearing supporting frame and inner core are fastening.
End cap is fastened on seal chamber, and seal chamber has axial location effect to self-aligning thrust roller bearing; Seal chamber, inner core and manhole flange are fastenedly connected, and adopt end face seal, and seal chamber and seal box are installed between inner core and helical axis, have guaranteed the sealing effectiveness of inner core and helical axis, urceolus; Inner core bottom is by two circular arc cutaway of mill off, and steel abrasive material enters inner core from these two indentation, there, when urceolus fills by feeding tube after steel abrasive material, starter motor, helical axis rotates, and steel abrasive material will pushedly enter in inner core, then pushes to the outlet of inner core bottom downwards always; In the time of helical axis stall, steel abrasive material due to and helicoid between frictional force be lockable, feed stops; Adjust the rotating speed of helical axis, the just falling speed of capable of regulating steel abrasive material; For preventing helical axis axial displacement, installed thrust self-aligning roller bearing and TC bearing.
Described helical axis top is optical axis, and bottom is provided with spiral.Helical axis only has bottom to have spiral, and is positioned at sleeve inner, has reduced the stressed of helical axis, driven by motor helical axis rotates, helical axis rotates can stir the steel abrasive material that is positioned at tank body exit, avoids steel abrasive material to pile up in tank body exit, steel abrasive material is fallen even, abundant.
The beneficial effects of the utility model are:
In the time carrying out the drilling well of steel abrasive material, the convenient device that high-pressure abrasive material device is become to collection storing and feeding function and one, has simplified steel abrasive material drilling well high-pressure process flow process; Steel abrasive material can fall along the spiral slide on helical axis, efficiently solves steel abrasive material and piles up the problem of compacting in tank base, thereby can realize even, the stable whereabouts of steel abrasive material, thereby arrive shaft bottom impact grinding rock under the carrying of drilling fluid; In addition also can regulate by adjusting the rotating speed of conveyor screw axle, the falling speed of steel abrasive material.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
In figure: 1, motor 2, shaft coupling 3, end cap 4, bleed off pipe 5, manhole flange 6, inner core 7, urceolus 8, helical axis 9, TC bearing supporting frame 10, TC bearing 11, base 12, circular arc cutaway 13, pressure-equalizing pipe 14, feed pipe 15, seal chamber 16, clamp nut 17, seal box 18, circlip 19, self-aligning thrust roller bearing 20, high-pressure delivery pump 21, carrier pipe.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Fig. 1～Fig. 2, high-pressure abrasive material device described in the utility model, comprise urceolus 7 and inner core 6, urceolus 7 is arranged on base 11, between urceolus 7 and inner core 6 tops, manhole flange 5 is set, on manhole flange 5, be furnished with through hole, the interior installation helical axis 8 of inner core 6, helical axis 8 tops connect motor 1 by shaft coupling 2, between inner core 6 tops and helical axis 8, be provided with seal chamber 15, seal chamber 15 is fastened on manhole flange 5, the interior seal box 17 that arranges of seal chamber 15, seal box 17 tops set gradually clamp nut 16 from the bottom to top, circlip 18, self-aligning thrust roller bearing 19 and end cap 3, end cap 3 is fastened on seal chamber 15, inner core 6 bottoms are provided with circular arc cutaway 12, helical axis 8 bottoms arrange TC bearing supporting frame 9 and TC bearing 10, TC bearing supporting frame 9 is fastening with inner core 6.Helical axis 8 tops are optical axis, and bottom is provided with spiral, and manhole flange 5 connects respectively feed pipe 14, bleed off pipe 4 and pressure-equalizing pipe 13 by through hole.
When work, inner core 6 sealed bottoms are communicated with to carrier pipe 21, carrier pipe 21 is communicated with high-pressure delivery pump 20, and pressure-equalizing pipe 13 is communicated with to carrier pipe 21, the cleaner for high-pressure drilling fluid transferring out to realize high-pressure delivery pump 20, a part is delivered in urceolus 7 by pressure-equalizing pipe 13, another part directly makes the abrasive material of exporting in high-pressure abrasive material device obtain larger kinetic energy by carrier pipe 21, and abrasive material slurry sprays brokenly rock by bit port, improves rate of penetration, convenient connection, simplify technique.
Drilling fluid carries steel abrasive material and enters urceolus 7 by feed pipe 14, when steel abrasive material falls, under motor 1 drives, helical axis 8 rotates, steel abrasive material enters inner core 6 inside by the circular arc cutaway 12 of inner core 6, along the spiral-falling on helical axis 8, enter in conveying pipeline 19 and be delivered to shaft bottom, arrive shaft bottom fractured rock, thereby it is inhomogeneous, insufficient to have solved steel abrasive material whereabouts, the problem of deposition compacting.
Claims (2)
1. a high-pressure abrasive material device, it is characterized in that: comprise urceolus (7) and inner core (6), urceolus (7) is arranged on base (11), between urceolus (7) and inner core (6) top, manhole flange (5) is set, manhole flange is furnished with through hole on (5), manhole flange (5) connects respectively feed pipe (14) by through hole, bleed off pipe (4) and pressure-equalizing pipe (13), helical axis (8) is installed in inner core (6), helical axis (8) top connects motor (1) by shaft coupling (2), between inner core (6) top and helical axis (8), be provided with seal chamber (15), seal chamber (15) is fastened on manhole flange (5), seal box (17) is set in seal chamber (15), seal box (17) top sets gradually clamp nut (16) from the bottom to top, circlip (18), self-aligning thrust roller bearing (19) and end cap (3), end cap (3) is fastened on seal chamber (15), inner core (6) bottom is provided with circular arc cutaway (12), helical axis (8) bottom arranges TC bearing supporting frame (9) and TC bearing (10), TC bearing supporting frame (9) is fastening with inner core (6).
2. high-pressure abrasive material device according to claim 1, is characterized in that: helical axis (8) top is optical axis, and bottom is provided with spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054143.6U CN203701965U (en) | 2014-01-27 | 2014-01-27 | High-pressure abrasive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054143.6U CN203701965U (en) | 2014-01-27 | 2014-01-27 | High-pressure abrasive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203701965U true CN203701965U (en) | 2014-07-09 |
Family
ID=51052421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420054143.6U Expired - Fee Related CN203701965U (en) | 2014-01-27 | 2014-01-27 | High-pressure abrasive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203701965U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194092A (en) * | 2016-07-26 | 2016-12-07 | 中国海洋石油总公司 | High-pressure abradant jet current sea casing-pipe cutting condition discrimination method |
| CN109025946A (en) * | 2018-08-23 | 2018-12-18 | 陕西延长石油(集团)有限责任公司研究院 | A kind of adjustable underground supercritical carbon dioxide jet stream mixing device |
-
2014
- 2014-01-27 CN CN201420054143.6U patent/CN203701965U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194092A (en) * | 2016-07-26 | 2016-12-07 | 中国海洋石油总公司 | High-pressure abradant jet current sea casing-pipe cutting condition discrimination method |
| CN109025946A (en) * | 2018-08-23 | 2018-12-18 | 陕西延长石油(集团)有限责任公司研究院 | A kind of adjustable underground supercritical carbon dioxide jet stream mixing device |
| CN109025946B (en) * | 2018-08-23 | 2020-12-01 | 陕西延长石油(集团)有限责任公司研究院 | Adjustable is supercritical carbon dioxide efflux mulling device in pit |
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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: 20140709 Termination date: 20150127 |
|
| EXPY | Termination of patent right or utility model |