CN212105843U - Eccentric injection allocation device with current limiting structure - Google Patents
Eccentric injection allocation device with current limiting structure Download PDFInfo
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- CN212105843U CN212105843U CN201921748567.1U CN201921748567U CN212105843U CN 212105843 U CN212105843 U CN 212105843U CN 201921748567 U CN201921748567 U CN 201921748567U CN 212105843 U CN212105843 U CN 212105843U
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Abstract
The utility model discloses an eccentric injection allocation device with a flow-limiting structure, which comprises an injection allocation main body, wherein the top of the injection allocation main body is connected with an upper joint, the lower end of the injection allocation main body is connected with a lower joint, a filter pipe is embedded in the center of the inner side of the injection allocation main body, a flow-limiting pipe is arranged above the filter pipe, a plurality of spoilers which are annularly arranged are arranged on the upper end of the inner wall of the injection allocation body, a water inlet is arranged at the center of each spoiler, a flow-dividing plate is arranged right below the water inlet, the bottom of the flow-dividing plate is connected with a sealing cover, the lower end of the sealing cover is connected with a guide post, a compression spring is sleeved on the outer side of the guide post, the inner wall of the flow-limiting pipe is connected with an annular supporting plate, a guide hole is arranged in the center of the annular supporting plate, an annular boss is fixed on the, the utility model discloses can effectively adjust the flow, also guarantee the security simultaneously.
Description
Technical Field
The utility model relates to a join in marriage in pit and annotate technical field, in particular to eccentric injection allocation ware with current-limiting structure.
Background
Polymer flooding is an important technical means for improving the crude oil recovery rate and maintaining the sustainable development of an oil field in an old area of the oil field, and an injection allocation device used for injecting a polymer at present is generally in a threaded split structure.
When oil extraction is carried out on an oil field by a water injection method, some water injection wells inject water in multiple layers, the water injection amount of each layer is different, and a water distributor needs to be installed for water injection in a layered component mode. The water distributor utilizes the throttling principle to adjust the interlayer contradiction to realize the function of water distribution of each layer, and is key equipment in a separate-layer water injection pipe column. At present, with the continuous improvement of a water injection well testing process, most instruments realize a mode of hanging and measuring in an oil pipe, and part of structures of old underground water distribution devices are not used. However, the eccentric water distributors used at present are only capable of controlling water injection to the stratum through the plug due to structural influence. When the plug is removed, sand often enters the eccentric hole with the water flow due to the different pressures in each layer.
The installation of a current limiting structure in the injection allocation device is a necessary safety protection measure, and the current limiting structure in the prior art is complex and slow in response, so that faults often occur.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide an eccentric injection allocation ware with current-limiting structure can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an eccentric injection allocation device with a flow limiting structure comprises an injection allocation main body, wherein the top of the injection allocation main body is connected with an upper connector, the lower end of the injection allocation main body is connected with a lower connector, a filter pipe is embedded in the center of the inner side of the injection allocation main body, a flow limiting pipe is arranged above the filter pipe, a plurality of spoilers which are annularly arranged are arranged at the upper end of the inner wall of the injection allocation main body, a water inlet is arranged at the center of each spoiler, a flow distribution plate is arranged right below the water inlet, the bottom of the flow distribution plate is connected with a sealing cover, the lower end of the sealing cover is connected with a guide post, a compression spring is sleeved on the outer side of the guide post, an annular supporting plate is connected with the inner wall of the flow limiting pipe, a guide hole is formed in the center of the annular supporting plate, an annular boss is fixed on the surface of the annular, and a limiting boss is arranged at the bottom of the inner side of the injection allocation main body and at the lower end of the filter pipe.
Preferably, a support rod is connected between the inner wall of the injection allocation main body and the bottom end of the spoiler.
Preferably, the diameter of the guide post is slightly smaller than the inner diameter of the guide hole.
Preferably, the compression spring has an ultimate compression length greater than a distance between the seal cover and the annular support plate.
Preferably, the flow distribution plate is of a conical structure, and a plurality of grooves are formed in the surface of the flow distribution plate.
Preferably, the bottom of the flow limiting pipe is funnel-shaped.
Compared with the prior art, the utility model discloses following beneficial effect has: this eccentric injection allocator with current-limiting structure, can carry out the vortex effect to rivers through setting up the spoiler, the flow has been reduced, can realize stranded reposition of redundant personnel through flow distribution plate and slot simultaneously, the pressure that slows down the guide post, can carry out reasonable control to flow when the flow is great through the aperture size between annular support plate and the sealed lid, the mutually supporting of annular boss and annular groove simultaneously, can realize when the flow is great that the seal structure of guide post and guiding hole is compacter, the security is more reliable, simultaneously can effectively adjust the flow, the security has also been guaranteed when having guaranteed normal work.
Drawings
Fig. 1 is a schematic view of the overall structure of an eccentric injection allocator with a flow-limiting structure according to the present invention.
Fig. 2 is a cross-sectional view of an eccentric dispenser with a flow-limiting structure according to the present invention.
Fig. 3 is a top view of a spoiler of an eccentric injection allocator of the present invention having a flow-limiting structure.
In the figure: 1. dispensing the main body; 2. an upper joint; 3. a lower joint; 4. a filter tube; 5. a current limiting pipe; 6. a spoiler; 7. a water inlet; 8. a flow distribution plate; 9. a sealing cover; 10. a guide post; 11. a compression spring; 12. an annular support plate; 13. a guide hole; 14. an annular boss; 15. An annular groove; 16. a limiting boss; 17. a support rod.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, an eccentric injection allocation device with a flow-limiting structure comprises an injection allocation main body 1, wherein the top of the injection allocation main body 1 is connected with an upper joint 2, the lower end of the injection allocation main body 1 is connected with a lower joint 3, a filter pipe 4 is embedded in the center of the inner side of the injection allocation main body 1, a flow-limiting pipe 5 is arranged above the filter pipe 4, a plurality of annularly arranged spoilers 6 are arranged at the upper end of the inner wall of the injection allocation main body 1, a water inlet 7 is arranged at the center of each spoiler 6, a flow-dividing plate 8 is arranged right below each water inlet 7, a sealing cover 9 is connected to the bottom of each flow-dividing plate 8, a guide column 10 is connected to the lower end of each sealing cover 9, a compression spring 11 is sleeved on the outer side of each guide column 10, an annular support plate 12 is connected to the inner wall of each flow, an annular boss 14 is fixed on the surface of the annular support plate 12, an annular groove 15 matched with the annular boss 14 is fixed on the bottom edge of the sealing cover 9, and a limiting boss 16 is arranged at the lower end of the filter pipe 4 at the bottom of the inner side of the injection allocation main body 1.
In this embodiment, a support rod 17 is preferably connected between the inner wall of the injection allocation main body 1 and the bottom end of the spoiler 6.
In this embodiment, the diameter of the guide post 10 is preferably slightly smaller than the inner diameter of the guide hole 13.
In this embodiment, it is preferable that the ultimate compression length of the compression spring 11 is greater than the distance between the seal cover 9 and the annular support plate 12.
In this embodiment, preferably, the flow distribution plate 8 is a conical structure, and a plurality of grooves are formed on the surface of the flow distribution plate 8.
In this embodiment, the bottom of the flow-limiting pipe 5 is preferably funnel-shaped.
It is required to explain, the utility model relates to an eccentric injection allocation ware with current-limiting structure, when using, can carry out the vortex effect to rivers through setting up spoiler 6, the flow has been reduced, can realize the stranded reposition of redundant personnel through flow distribution plate 8 and slot simultaneously, the pressure that slows down guide post 10, can carry out reasonable control to the flow when the flow is great through the aperture size between annular support plate 12 and the sealed lid 9, the mutually supporting of annular boss 14 and annular groove 15 simultaneously, can realize when the flow is great that the enclosed construction of guide post 10 and guiding hole 13 is compacter, the security is more reliable, can effectively adjust the flow simultaneously, the security has also been guaranteed when having guaranteed normal work.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An eccentric injection distributor with a flow restriction, comprising a distribution body (1), characterized in that: the top of the injection allocation main body (1) is connected with an upper connector (2), the lower end of the injection allocation main body (1) is connected with a lower connector (3), a filter pipe (4) is embedded in the center of the inner side of the injection allocation main body (1), a flow limiting pipe (5) is arranged above the filter pipe (4), a plurality of spoilers (6) which are annularly arranged are arranged at the upper end of the inner wall of the injection allocation main body (1), a water inlet (7) is arranged at the center of each spoiler (6), a flow dividing plate (8) is arranged under each water inlet (7), a sealing cover (9) is connected to the bottom of each flow dividing plate (8), a guide column (10) is connected to the lower end of each sealing cover (9), a compression spring (11) is sleeved on the outer side of each guide column (10), an annular supporting plate (12) is connected to the inner wall of each flow limiting pipe (5), a guide hole (13) is, the surface of the annular support plate (12) is fixedly provided with an annular boss (14), the bottom edge of the sealing cover (9) is fixedly provided with an annular groove (15) matched with the annular boss (14), and the bottom of the inner side of the injection allocation main body (1) is provided with a limiting boss (16) at the lower end of the filter pipe (4).
2. The eccentric injector with flow restriction of claim 1, wherein: a support rod (17) is connected between the inner wall of the injection allocation main body (1) and the bottom end of the spoiler (6).
3. The eccentric injector with flow restriction of claim 1, wherein: the diameter of the guide post (10) is slightly smaller than the inner diameter of the guide hole (13).
4. The eccentric injector with flow restriction of claim 1, wherein: the ultimate compression length of the compression spring (11) is larger than the distance between the sealing cover (9) and the annular support plate (12).
5. The eccentric injector with flow restriction of claim 1, wherein: the flow distribution plate (8) is of a conical structure, and a plurality of grooves are formed in the surface of the flow distribution plate (8).
6. The eccentric injector with flow restriction of claim 1, wherein: the bottom of the flow limiting pipe (5) is funnel-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748567.1U CN212105843U (en) | 2019-10-17 | 2019-10-17 | Eccentric injection allocation device with current limiting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921748567.1U CN212105843U (en) | 2019-10-17 | 2019-10-17 | Eccentric injection allocation device with current limiting structure |
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| Publication Number | Publication Date |
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| CN212105843U true CN212105843U (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921748567.1U Active CN212105843U (en) | 2019-10-17 | 2019-10-17 | Eccentric injection allocation device with current limiting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216914A (en) * | 2021-06-09 | 2021-08-06 | 门万龙 | Layered injection allocation device |
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2019
- 2019-10-17 CN CN201921748567.1U patent/CN212105843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216914A (en) * | 2021-06-09 | 2021-08-06 | 门万龙 | Layered injection allocation device |
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