CN204402447U - A kind of spiral desander - Google Patents
A kind of spiral desander Download PDFInfo
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- CN204402447U CN204402447U CN201420831744.3U CN201420831744U CN204402447U CN 204402447 U CN204402447 U CN 204402447U CN 201420831744 U CN201420831744 U CN 201420831744U CN 204402447 U CN204402447 U CN 204402447U
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- sand
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- spiral separation
- separation pipe
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Abstract
The utility model provides a kind of spiral desander, comprise spiral separation pipe, sand export pipe nipple, displacement sand tank and spiral separation pipe installing rack, spiral separation pipe lower end charging aperture returns drain line with shaft bottom and is connected, upper end liquid outlet and the ground pipeline that catchments is connected, described spiral separation pipe outer peripheral face offers several blocking type sand exports, each sand export is replaced sand tank by pipeline and closed and is communicated with, and offers sand removing hole bottom displacement sand tank; Shaft bottom enters from spiral separation pipe lower end charging aperture containing sand anti-drain, flowing is spun up along spiral separation pipe high-speed disc, under centrifugal action, sand grains in anti-drain is thrown toward spiral separation inside pipe wall outer peripheral face, enters displacement sand tank from sand export, and sand tank is airtight is communicated with for spiral separation pipe and displacement, pressure balance, sand grains entered displacement sand tank by centrifugal force and displace liquid wherein, liquid part enters ground from spiral separation pipe upper end outlet and to catchment pipeline, realizes sand liquid and is separated.
Description
Technical field
The utility model relates to a kind of sand-liquid separation equipment, particularly a kind of spiral desander.
Background technology
At present, oil field have employed the combination operation process of a kind of novel hydraulic jet perforation and pressure break, open flow, well-flushing, suction when completion.In these activitiess, must process returning discharge opeing, existingly return discharge opeing frac treatment system, treatment technology has following two kinds: 1. utilize mud settling tank to carry out natural subsidence process: although this isolation technics can solve return discharge opeing large discharge, the high problem containing sand, but this sedimentation separation is consuming time long, extends completion period; Also have settling tank volume comparatively large, floor space is large, is not suitable for being used in the skid-mounted system of small volume.2. cyclone isolation technics: although this isolation technics equipment small volume, disposal ability is not enough, and to large discharge, the high fracturing fluid containing sand carries out separating treatment needs many complete equipments, adds cost of investment.
Utility model content
The purpose of this utility model is to overcome prior art defect, and providing a kind of can carry out Dynamic Separation process, the simple spiral desander of structure to large discharge, the high discharge opeing of returning containing sand.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of spiral desander, comprise spiral separation pipe, sand export pipe nipple, displacement sand tank and spiral separation pipe installing rack, spiral separation pipe lower end charging aperture returns liquid pipeline with shaft bottom and is connected, spiral separation pipe upper end outlet and the ground pipeline that catchments is connected, described spiral separation pipe is provided with several sand export pipe nipples, sand export on sand export pipe nipple is communicated with displacement sand tank by pipeline, offers sand removing hole bottom displacement sand tank; Shaft bottom is returned discharge opeing containing sand and is entered from spiral separation pipe lower end charging aperture, spiral along spiral separation pipe and upwards flow, sand grains is thrown toward spiral separation pipe outer peripheral face under the influence of centrifugal force, enter displacement sand tank from the blocking type sand export in sand export pipe nipple and the liquid in it is replaced, parting liquid enters ground from spiral separation pipe upper end outlet and to catchment pipeline.
Described spiral separation pipe is made up of with several sand export pipe nipples being connected each segmentation helix tube several segmentation helix tubes.
Described spiral separation pipe is segmentation coiling, each segmentation has certain lift angle, the radius of gyration, and angle of revolution is all more than 180 °, each segmentation helix tube two ends and sand export pipe nipple two ends are all welded with flange, and each segmentation helix tube and sand export pipe nipple pass through Flange joint.
Described sand export pipe nipple inner wall outside sand export place is provided with assembles the baffle plate of sand grains, and described baffle plate is be preset in U-shaped baffle plate on sand export pipe nipple inwall or inverted L shape baffle plate.
Described displacement sand tank is closed pressurized tank, it is provided with the pressure meter measuring pressure in tank.
Described spiral separation pipe lower end charging aperture and liquid outlet place, upper end are all connected with flange and valve, and spiral separation pipe charging aperture and liquid outlet all return liquid pipeline and the ground pipeline that catchments respectively by flange, valve and be connected with shaft bottom.
Bottom described displacement sand tank, sand removing hole is provided with sediment outflow valve.
Each sand export pipe nipple and the connecting line of displacement sand tank are provided with valve to described spiral separation pipe.
The utility model is equipped with several sand export pipe nipples by described spiral separation pipe body, each sand export pipe nipple is connected with displacement sand tank by pipeline, sand-liquid mixture enters from spiral separation pipe lower end charging aperture, spiral along spiral separation pipe and upwards flow, being thrown toward spiral separation pipe outer peripheral face by centrifugal force sand grains enters in displacement sand tank from the sand export sand export pipe nipple, spiral separation pipe and pressure balance in displacement sand tank, by centrifugal force, sand grains is entered displacement sand tank to replace with liquid wherein, liquid enters ground from spiral separation pipe upper end outlet and to catchment pipeline, realize sand grains to be separated with liquid.
The utility model can contain sand to height, the sand-liquid two-phase of large discharge is returned discharge opeing and carried out Dynamic Separation process, and compare traditional settlement treatment method operating efficiency higher, desander structure is simple, equipment volume is little, and functional reliability is high; Compare cyclone separator, the utility model volume less part reason amount is large, thus ensure that carrying out smoothly of completion practice, shortens the exploitation cycle, improves the comprehensive benefit in oil field.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the assembling schematic diagram of spiral separation pipe and sand export pipe nipple; Fig. 2 a is front view; Fig. 2 b is left view; Fig. 2 c is top view;
Accompanying drawing 3 is the schematic diagram of sand export pipe nipple; Fig. 3 a is front view; The axial sectional view of Fig. 3 b; Fig. 3 c radial cross-section;
In figure: 1. spiral separation pipe; 2. sand export pipe nipple; 201. baffle plate; 3. sand export; 4. pressure meter; 5. replace sand tank.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
Accompanying drawings 1, spiral desander of the present utility model is mainly made up of spiral separation pipe 1, sand export pipe nipple 2, installing rack and displacement sand tank.Spiral separation pipe 1 lower end charging aperture returns liquid pipeline by flange, valve with shaft bottom and is connected, spiral separation pipe 1 upper end outlet is connected by flange, valve and the ground pipeline that catchments, several sand export pipe nipples 2 spiral separation pipe body are equipped with, each sand export 3 is communicated with displacement sand tank 5 by pipeline, sediment outflow outlet is offered bottom displacement sand tank 5, sand grains export pipeline is provided with sediment outflow valve, displacement sand tank 5 is also provided with the pressure meter 4 measuring pressure in tank.
During work, sand-liquid mixture enters from spiral separation pipe 1 lower end charging aperture, spiral along spiral separation pipe 1 and upwards flow, sand grains is thrown toward spiral separation pipe 1 outer peripheral face under the influence of centrifugal force and enters displacement sand tank 5 from sand export 3 and replace with the liquid in displacement sand tank 5, liquid enters ground from spiral separation pipe 1 upper end outlet and to catchment pipeline, realizes being separated of sand grains and liquid.
Further, as shown in Figure 2, as assembling schematic diagram that figure is spiral separation pipe and sand export pipe nipple; Fig. 2 a is front view; Fig. 2 b is left view; Fig. 2 c is top view; Spiral separation pipe 1 is connected to form by segmentation spiral separation pipe and several sand export pipe nipples 2, each sand export pipe nipple 2 outer peripheral face all offers sand export 3, each sand export 3 is communicated with displacement sand tank 5 by pipeline, each sand export 3 and the connecting line of displacement sand tank 5 are provided with valve, each segmentation helix tube has certain lift angle, certain radius of gyration, and angle of revolution is all more than 180 °, each segmentation helix tube two ends and sand export pipe nipple 2 two ends are all to being welded with flange, and segmentation helix tube and sand export pipe nipple 2 pass through Flange joint.Spiral separation pipe is multistage segmentation helix tube, convenient processing and transport.
Further, as shown in Figure 3, Fig. 3 is the schematic diagram of sand export pipe nipple; Fig. 3 a is front view; The axial sectional view of Fig. 3 b; Fig. 3 c radial cross-section; Sand export pipe nipple 2 inner wall outside is provided with the baffle plate 201 assembling sand grains near sand export 3, baffle plate is arranged on sand export 3 rear, barrier effect is played when sand grains flows through, be gathered in by sand grains near sand export, described baffle plate 201 is for being preset at U-shaped baffle plate on sand export pipe nipple 2 inwall or inverted L shape baffle plate.
Before desanding operation starts, connect desander entrance and exit, by the valve number between uninterrupted switch desander and displacement sand tank.Open shaft bottom and return draining valve, make to return discharge opeing and enter spiral separation pipe, start desanding operation.Sand liquid mixed flow spirals in spiral separation pipe high speed and upwards flows, sand grains is got rid of to spiral separation pipe under centrifugal action, and by the sand collecting structure of sand export pipe nipple, sand grains is assembled, is guided to displacement sand tank, sand displaces the liquid in displacement sand tank, and be temporary in displacement sand tank, until the desanding end of job, open the sediment outflow valve bottom displacement sand tank, empty tank body.
Claims (8)
1. a spiral desander, it is characterized in that: comprise spiral separation pipe (1), sand export pipe nipple (2), displacement sand tank (5) and spiral separation pipe installing rack, spiral separation pipe (1) lower end charging aperture returns liquid pipeline with shaft bottom and is connected, spiral separation pipe (1) upper end outlet and the ground pipeline that catchments is connected, described spiral separation pipe (1) is provided with several sand export pipe nipples (2), sand export (3) on sand export pipe nipple (2) is communicated with displacement sand tank (5) by pipeline, displacement sand tank (5) bottom offers sand removing hole, shaft bottom is returned discharge opeing containing sand and is entered from spiral separation pipe (1) lower end charging aperture, spiral along spiral separation pipe (1) and upwards flow, sand grains is thrown toward spiral separation pipe (1) outer peripheral face under the influence of centrifugal force, enter displacement sand tank (5) from the blocking type sand export (3) in sand export pipe nipple (2) to replace with the liquid in it, parting liquid enters ground from spiral separation pipe (1) upper end outlet and to catchment pipeline.
2. spiral desander according to claim 1, is characterized in that: described spiral separation pipe (1) is made up of with several sand export pipe nipples (2) being connected each segmentation helix tube several segmentation helix tubes.
3. spiral desander according to claim 2, it is characterized in that: described spiral separation pipe (1) is segmentation coiling, each segmentation has certain lift angle, the radius of gyration, and angle of revolution is all more than 180 °, each segmentation helix tube two ends and sand export pipe nipple (2) two ends are all welded with flange, and each segmentation helix tube and sand export pipe nipple (2) pass through Flange joint.
4. spiral desander according to claim 2, it is characterized in that: described sand export pipe nipple (2) inner wall outside sand export (3) place is provided with assembles the baffle plate (201) of sand grains, described baffle plate (201) is for being preset in U-shaped baffle plate on sand export pipe nipple (2) inwall or inverted L shape baffle plate.
5. spiral desander according to claim 1, is characterized in that: described displacement sand tank (5) is closed pressurized tank, it is provided with the pressure meter (4) measuring pressure in tank.
6. spiral desander according to claim 1, it is characterized in that: described spiral separation pipe (1) lower end charging aperture and liquid outlet place, upper end are all connected with flange and valve, spiral separation pipe (1) charging aperture and liquid outlet all return liquid pipeline and the ground pipeline that catchments respectively by flange, valve and are connected with shaft bottom.
7. spiral desander according to claim 5, is characterized in that: described displacement sand tank (5) bottom sand removing hole is provided with sediment outflow valve.
8. spiral desander according to claim 1, is characterized in that: the upper each sand export pipe nipple (2) of described spiral separation pipe (1) and the connecting line of displacement sand tank (5) are provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831744.3U CN204402447U (en) | 2014-12-23 | 2014-12-23 | A kind of spiral desander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420831744.3U CN204402447U (en) | 2014-12-23 | 2014-12-23 | A kind of spiral desander |
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| Publication Number | Publication Date |
|---|---|
| CN204402447U true CN204402447U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420831744.3U Active CN204402447U (en) | 2014-12-23 | 2014-12-23 | A kind of spiral desander |
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| Country | Link |
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| CN (1) | CN204402447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514524A (en) * | 2014-12-23 | 2015-04-15 | 西安石油大学 | Spiral sand remover |
| CN105130134A (en) * | 2015-09-29 | 2015-12-09 | 泗县峻林机械有限公司 | Water filtration sand remover |
-
2014
- 2014-12-23 CN CN201420831744.3U patent/CN204402447U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104514524A (en) * | 2014-12-23 | 2015-04-15 | 西安石油大学 | Spiral sand remover |
| CN105130134A (en) * | 2015-09-29 | 2015-12-09 | 泗县峻林机械有限公司 | Water filtration sand remover |
| CN105130134B (en) * | 2015-09-29 | 2017-06-16 | 泗县峻林机械有限公司 | Water filtration desander |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |