CN218293824U - Long plunger ring closed strong vortex pump - Google Patents
Long plunger ring closed strong vortex pump Download PDFInfo
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- CN218293824U CN218293824U CN202222830255.3U CN202222830255U CN218293824U CN 218293824 U CN218293824 U CN 218293824U CN 202222830255 U CN202222830255 U CN 202222830255U CN 218293824 U CN218293824 U CN 218293824U
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Abstract
The utility model relates to an oil development equipment technical field, in particular to long plunger ring seals forced-closure vortex pump. The device comprises a plunger assembly and a pump barrel assembly, wherein the plunger assembly is arranged in the pump barrel assembly; the plunger assembly comprises an upper plunger forced-closing valve, a plunger and a lower plunger valve, the pump barrel assembly comprises a pump barrel, an upper ring seal installation cavity and a lower ring seal installation cavity are respectively internally provided with an annular seal ring, the annular seal rings are sleeved on the plunger, a ring seal spring is arranged on the outer side of each annular seal ring, and the ring seal spring applies pressure to the plunger to the annular seal rings. The utility model discloses a mode that soft or hard seals combined together between pump barrel and the plunger can automatic compensation pump barrel and plunger between the clearance loss, sealed effectual, further improve the pump efficiency, the sand material, the paraffin on plunger surface can be clear away automatically to the sand scraping cup at both ends, and the sand control is effectual, makes the plunger move freely, and the pump cycle is examined in the extension.
Description
The technical field is as follows:
the utility model relates to an oil development equipment technical field, in particular to long plunger ring seals forced-closure vortex pump.
Background art:
at present, in the exploitation of an oil well containing a gas well and a small amount of sand, a strong-rise forced-close exploitation mode is adopted, but for the sand-containing gas well, an oil well pump cannot achieve a sand prevention effect, the pump efficiency is low, if only an operation mode of a short pump barrel is adopted, an automatic compensation effect of soft sealing cannot be achieved, automatic sand scraping cannot be achieved, and an ideal exploitation effect cannot be achieved.
The utility model has the following contents:
the to-be-solved technical problem of the utility model is to provide a long plunger ring seals forced-closure vortex pump, the device has realized the mode that soft or hard seal combined together between pump barrel and the plunger, can automatic compensation pump barrel and plunger between the clearance loss, sealed effectual, further improve the pump efficiency, the sand material on sand scraping cup ability automatic clear plunger surface at both ends, paraffin, the sand control is effectual, makes the plunger move freely, the pump cycle is examined in the extension. The defects that the oil well pump used for exploiting the existing sand-containing gas well cannot play a sand prevention effect, has low pump efficiency, cannot play a soft sealing automatic compensation effect if adopting a short pump barrel structure, and cannot achieve an ideal exploitation effect are overcome.
The utility model adopts the technical proposal that: a long plunger ring sealed strong closed vortex pump comprises a plunger assembly and a pump barrel assembly, wherein the plunger assembly is arranged in the pump barrel assembly; the plunger assembly comprises an upper plunger forced-closing valve, a plunger and a lower plunger valve, the lower end of the upper plunger forced-closing valve is connected with the plunger, and the lower end of the plunger is connected with the lower plunger valve;
the pump cylinder assembly comprises a pump cylinder, the outer walls of the upper end and the lower end of the pump cylinder are respectively connected with an upper ring seal box joint and a lower ring seal box joint, the upper end of the upper ring seal box joint is connected with an upper sand scraping cup joint, the lower end of the lower ring seal box joint is connected with a lower sand scraping cup joint, an upper ring seal installation cavity is formed between the inner wall of the upper ring seal box joint and the outer wall of the plunger, a lower ring seal installation cavity is formed between the inner wall of the lower ring seal box joint and the outer wall of the plunger, annular seal rings are respectively installed in the upper ring seal installation cavity and the lower ring seal installation cavity, the annular seal rings are sleeved on the plunger, an annular seal spring is installed outside the annular seal rings, and the annular seal spring applies pressure to the plunger to the annular seal rings; the upper end of the upper sand scraping cup joint and the lower end of the lower sand scraping cup joint are respectively sleeved with a sand scraping cup, the sand scraping cups can scrape sand on the surface of the plunger, the outer wall of the upper end of the upper sand scraping cup joint is connected with an upper coupling, the outer wall of the lower end of the lower sand scraping cup joint is connected with a pump barrel extension pipe through a lower coupling, and the lower end of the pump barrel extension pipe is connected with a forced-closed fixed valve assembly through an extension pipe coupling.
Furthermore, the upper plunger forced closing valve comprises an upper plunger forced closing valve cover, a plunger spring is installed in the upper plunger forced closing valve cover, the lower end of the plunger spring is installed on a plunger spring seat, a plunger upper valve ball is arranged at the lower end of the plunger spring seat, the upper plunger valve seat is arranged on the inner wall step of the upper plunger forced closing valve cover and is limited and fixed through the upper end face of the upper plunger valve cover connector, the upper end of the upper plunger valve cover connector is in threaded connection with the inner wall of the upper plunger forced closing valve cover, the lower end of the upper plunger valve cover connector is connected with the upper end of the plunger, and the upper plunger valve ball is seated on the upper plunger valve seat under the action of the plunger spring seat and the plunger spring.
Further, the lower plunger valve comprises a plunger lower valve cover, the upper end of the plunger lower valve cover is connected with the plunger through a plunger joint, an inner wall of the upper end of the plunger lower valve cover is connected with a plunger oil outlet stop block, a plurality of oil outlet channels are formed in the plunger oil outlet stop block, a plunger lower valve ball is arranged in the plunger lower valve cover, the plunger lower valve ball is arranged on the inner wall step of the plunger lower valve cover and is limited and fixed through the upper end face of a plunger lower pressing cap, the upper end of the plunger lower pressing cap is in threaded connection with the inner wall of the plunger lower valve cover, and the plunger lower valve ball can be seated on the plunger lower valve ball seat.
Further, the pump barrel is 1.2 meters in length, and the plunger is more than 4.5 meters in length.
Further, the forced-closing standing valve assembly comprises a standing valve ball, a standing valve seat and a standing cover, the upper end of the standing cover is connected with an extension pipe coupling through a standing cover upper joint, a limiting ring is arranged at the center of the upper end of the standing cover, the upper end of a reset rod penetrates into the limiting ring, a reset spring is sleeved on the reset rod, spring seats are respectively arranged at the upper end and the lower end of the reset spring, the spring seats at the upper end are sleeved on the reset rod, the spring seats at the upper end are abutted against the end face of the limiting ring under the action of the reset spring, the spring seats at the lower end are abutted against the step face of the reset rod under the action of the reset spring, the lower end of the reset rod penetrates into the standing ball cage, the lower end of the standing ball cage is arranged at the step face of the inner wall of the standing cover, the standing valve seat is arranged at the step of the inner wall of the lower end of the standing ball cage, the standing valve ball is arranged in the standing ball cage, the standing ball is arranged in the standing valve seat under the action of the reset rod and the reset spring, and a plurality of rotary ducts are uniformly arranged on the side wall of the standing ball cage.
The utility model has the advantages that:
1. the short pump barrel seal has the effect of hard seal, the annular seal can automatically compensate the gap loss between the pump barrel and the plunger piston, and the pump efficiency is further improved.
2. The sand scraping cups at the two ends can automatically remove sand and paraffin on the surface of the plunger piston, so that the plunger piston can move freely, and the pump checking period is prolonged.
3. The forced-closed fixed valve assembly adopts a forced-closed rotational flow structure, so that the liquid flow entering the oil well pump carries rotational flow to play a role in flushing the fixed valve.
4. The upper end of the plunger assembly adopts an upper plunger forced-closed valve, the lower end of the pump barrel assembly adopts a forced-closed fixed valve assembly, and the forced-closed structure has the gas-tight and thick oil pumping effect, so that the application range of the oil well pump is further expanded, and the oil well pump is widely applied to thin oil wells, thick oil wells and sand-containing gas wells.
Description of the drawings:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1, a long plunger ring closed strong-closed vortex pump includes a plunger assembly and a pump barrel assembly, the plunger assembly is installed inside the pump barrel assembly; the plunger assembly comprises an upper plunger forced-closing valve, a plunger 12 and a lower plunger valve, the lower end of the upper plunger forced-closing valve is connected with the plunger 12, and the lower end of the plunger 12 is connected with the lower plunger valve;
the pump cylinder assembly comprises a pump cylinder 11, the outer walls of the upper end and the lower end of the pump cylinder 11 are respectively connected with an upper ring seal box joint 10 and a lower ring seal box joint 32, the upper end of the upper ring seal box joint 10 is connected with an upper sand scraping cup joint 9, the lower end of the lower ring seal box joint 32 is connected with a lower sand scraping cup joint 33, an upper ring seal installation cavity is formed between the inner wall of the upper ring seal box joint 10 and the outer wall of a plunger 12, a lower ring seal installation cavity is formed between the inner wall of the lower ring seal box joint 32 and the outer wall of the plunger 12, annular sealing rings 14 are respectively installed in the upper ring seal installation cavity and the lower ring seal installation cavity, the annular sealing rings 14 are sleeved on the plunger 12, an annular sealing spring 13 is installed on the outer side of the annular sealing rings 14, and the annular sealing spring 13 applies pressure to the plunger 12 on the annular sealing rings 14; the upper end of the upper sand scraping cup joint 9 and the lower end of the lower sand scraping cup joint 33 are respectively sleeved with a sand scraping cup 8, the sand scraping cup 8 can scrape sand on the surface of the plunger 12, the outer wall of the upper end of the upper sand scraping cup joint 9 is connected with the upper coupling 7, the outer wall of the lower end of the lower sand scraping cup joint 33 is connected with the pump barrel extension pipe 16 through the lower coupling, and the lower end of the pump barrel extension pipe 16 is connected with the forced-closed fixed valve assembly through the extension pipe coupling 22.
The upper plunger forced-closing valve comprises a plunger upper forced-closing valve cover 1, a plunger spring 2 is installed in the plunger upper forced-closing valve cover 1, the lower end of the plunger spring 2 is installed on a plunger spring seat 3, a plunger upper valve ball 4 is arranged at the lower end of the plunger spring seat 3, the plunger upper valve seat 5 is arranged on the inner wall step of the plunger upper forced-closing valve cover 1 and is limited and fixed through the upper end face of a plunger upper valve cover joint 6, the upper end of the plunger upper valve cover joint 6 is in threaded connection with the inner wall of the plunger upper forced-closing valve cover 1, the lower end of the plunger upper valve cover joint 6 is connected with the upper end of a plunger 12, and the plunger upper valve ball 4 is seated on the plunger upper valve seat 5 under the action of the plunger spring seat 3 and the plunger spring 2.
The lower plunger valve comprises a plunger lower valve cover 18, the upper end of the plunger lower valve cover 18 is connected with the plunger 12 through a plunger joint 15, the inner wall of the upper end of the plunger lower valve cover 18 is connected with a plunger oil outlet stop 17, a plurality of oil outlet channels are formed in the plunger oil outlet stop 17, a plunger lower valve ball 19 is arranged in the plunger lower valve cover 18, the plunger lower valve ball 20 is arranged on the step of the inner wall of the plunger lower valve cover 18 and is limited and fixed through the upper end face of a plunger lower pressing cap 21, the upper end of the plunger lower pressing cap 21 is in threaded connection with the inner wall of the plunger lower valve cover 18, and the plunger lower valve ball 19 can be seated on the plunger lower valve ball 20.
The length of the pump barrel 11 is 1.2 meters, and the length of the plunger 12 is more than 4.5 meters.
The forced-closing fixed valve assembly comprises a fixed valve ball 28, a fixed valve seat 29 and a fixed cover 30, the upper end of the fixed cover 30 is connected with an elongated pipe coupling 22 through a fixed cover upper joint 23, a limit circular ring is arranged at the center of the upper end of the fixed cover 30, the upper end of a reset rod 24 penetrates into the limit circular ring, a reset spring 25 is sleeved on the reset rod 24, spring seats 26 are respectively arranged at the upper end and the lower end of the reset spring 25, the spring seats 26 at the upper end are sleeved on the reset rod 24, the spring seats 26 at the upper end are abutted against the end face of the limit circular ring under the action of the reset spring 25, the spring seats 26 at the lower end are abutted against the step face of the reset rod 24 under the action of the reset spring 25, the lower end of the reset rod 24 penetrates into the fixed ball cage 27, the lower end of the fixed ball cage 27 is arranged at the step face of the inner wall of the fixed ball cage 27, a fixed valve male buckling cap 31 is connected at the inner wall of the lower end of the fixed cover 30 and limits and fixes the fixed ball cage 27 and the fixed valve seat 29, the fixed valve ball cage 29, the fixed valve ball 28 is uniformly opened on the side wall of the fixed ball cage 27.
When the sucker rod pumping unit is used, the pump cylinder assembly is connected to the lower end of an oil pipe, the plunger assembly is connected to the lower end of the sucker rod along with the height of the oil pipe, and goes into a well along with the sucker rod and enters the pump cylinder assembly to reciprocate up and down along with the sucker rod after bumping pump operation. The pump barrel 11 has the effect of hard sealing the plunger 12, the annular sealing spring 13 is installed on the outer side of the annular sealing ring 14, the annular sealing spring 13 applies pressure to the annular sealing ring 14 to the plunger 12, the annular sealing ring 14 has the effect of soft sealing the plunger 12, and the annular sealing ring 14 can automatically compensate the gap loss between the pump barrel 11 and the plunger 12 under the action of the annular sealing spring 13, so that the pump efficiency is further improved. The sand scraping cups 8 at two ends can automatically remove sand and paraffin on the surface of the plunger 12, so that the plunger 12 can move freely, and the pump detection period is prolonged. When the fixed valve assembly is used for oil inlet, oil inlet liquid flow pushes the fixed valve ball 28 to enter the fixed ball cage 27, a plurality of rotating pore channels are uniformly formed in the side wall of the fixed ball cage 27, the oil inlet liquid flow flows out through the rotating pore channels to form a rotational flow, so that the liquid flow entering the oil well pump carries the rotational flow, and the fixed valve is flushed. The upper end of the plunger assembly adopts an upper plunger forced-closed valve, the lower end of the pump barrel assembly adopts a forced-closed fixed valve assembly, and the forced-closed structure has the gas-tight and thick oil pumping effect, so that the application range of the oil well pump is further expanded, and the oil well pump is widely applied to thin oil wells, thick oil wells and sand-containing gas wells.
It should be understood that the above detailed description of the present invention is only used for illustrating the present invention and not limited to the technical solutions described in the embodiments of the present invention, and it should be understood by those skilled in the art that the present invention can be modified or replaced with equivalent ones to achieve the same technical effects; as long as satisfy the operation needs, all be in the protection scope of the utility model.
Claims (5)
1. A long plunger ring seal forced-closed vortex pump comprises a plunger assembly and a pump barrel assembly, wherein the plunger assembly is arranged in the pump barrel assembly; the method is characterized in that: the plunger assembly comprises an upper plunger forced-closing valve, a plunger (12) and a lower plunger valve, the lower end of the upper plunger forced-closing valve is connected with the plunger (12), and the lower end of the plunger (12) is connected with the lower plunger valve;
the pump barrel assembly comprises a pump barrel (11), the outer walls of the upper end and the lower end of the pump barrel (11) are respectively connected with an upper ring seal box joint (10) and a lower ring seal box joint (32), the upper end of the upper ring seal box joint (10) is connected with an upper sand scraping cup joint (9), the lower end of the lower ring seal box joint (32) is connected with a lower sand scraping cup joint (33), an upper ring seal installation cavity is formed between the inner wall of the upper ring seal box joint (10) and the outer wall of the plunger (12), a lower ring seal installation cavity is formed between the inner wall of the lower ring seal box joint (32) and the outer wall of the plunger (12), annular seal rings (14) are respectively installed in the upper ring seal installation cavity and the lower ring seal installation cavity, the annular seal rings (14) are sleeved on the plunger (12), an annular seal spring (13) is installed on the outer side of the annular seal rings (14), and the annular seal spring (13) applies pressure to the plunger (12); the upper end of an upper sand scraping cup joint (9) and the lower end of a lower sand scraping cup joint (33) are respectively sleeved with a sand scraping cup (8), the sand scraping cup (8) can scrape sand on the surface of a plunger (12), the outer wall of the upper end of the upper sand scraping cup joint (9) is connected with an upper coupling (7), the outer wall of the lower end of the lower sand scraping cup joint (33) is connected with a pump cylinder extension pipe (16) through the lower coupling, and the lower end of the pump cylinder extension pipe (16) is connected with a forced-closed fixed valve assembly through an extension pipe coupling (22).
2. The long plunger ring forced-closure vortex pump of claim 1 wherein: the upper plunger forced closing valve comprises a plunger upper forced closing valve cover (1), a plunger spring (2) is installed in the plunger upper forced closing valve cover (1), the lower end of the plunger spring (2) is installed on a plunger spring seat (3), a plunger upper valve ball (4) is arranged at the lower end of the plunger spring seat (3), the plunger upper valve seat (5) is arranged on the inner wall step of the plunger upper forced closing valve cover (1) and is fixed in a limiting mode through the upper end face of a plunger upper valve cover joint (6), the upper end of the plunger upper valve cover joint (6) is in threaded connection with the inner wall of the plunger upper forced closing valve cover (1), the lower end of the plunger upper valve cover joint (6) is connected with the upper end of a plunger (12), and the plunger upper valve ball (4) is seated on the plunger upper valve seat (5) under the action of the plunger spring seat (3) and the plunger spring (2).
3. The long plunger ring forced-closure vortex pump of claim 1 wherein: the lower plunger valve comprises a plunger lower valve cover (18), the upper end of the plunger lower valve cover (18) is connected with a plunger (12) through a plunger joint (15), an oil outlet stop block (17) is connected with the inner wall of the upper end of the plunger lower valve cover (18), a plurality of oil outlet channels are formed in the oil outlet stop block (17), a plunger lower valve ball (19) is arranged in the plunger lower valve cover (18), a plunger lower valve seat (20) is arranged on the inner wall step of the plunger lower valve cover (18) and is limited and fixed through the upper end face of a plunger lower pressing cap (21), the upper end of the plunger lower pressing cap (21) is in threaded connection with the inner wall of the plunger lower valve cover (18), and the plunger lower valve ball (19) can be seated on the plunger lower valve seat (20).
4. The long plunger ring forced-closed vortex pump of claim 1 wherein: the length of the pump cylinder (11) is 1.2 meters, and the length of the plunger (12) is more than 4.5 meters.
5. The long plunger ring forced-closure vortex pump of claim 1 wherein: the forced-closed fixed valve assembly comprises a fixed valve ball (28), a fixed valve seat (29) and a fixed cover (30), the upper end of the fixed cover (30) is connected with an extension pipe coupling (22) through a fixed cover upper joint (23), a limit ring is arranged at the center of the upper end of the fixed cover (30), the upper end of a reset rod (24) penetrates through the limit ring, a reset spring (25) is sleeved on the reset rod (24), spring seats (26) are respectively arranged at the upper end and the lower end of the reset spring (25), the spring seats (26) at the upper end are sleeved on the end face of the limit ring under the action of the reset spring (25), the spring seats (26) at the lower end are abutted on the step face of the reset rod (24) under the action of the reset spring (25), the lower end of the reset rod (24) penetrates into the fixed ball cage (27), the lower end of the fixed ball cage (27) is arranged on the inner wall face of the fixed cover (30), the fixed valve seat (29) is arranged at the inner wall of the fixed ball cage (27), the fixed valve seat (29) is arranged at the inner wall of the fixed ball cage (30), the fixed ball cover (31) and the fixed valve seat (28) and the reset spring (29) acts on the reset rod (25), the side wall of the fixed ball cage (27) is uniformly provided with a plurality of rotary pore canals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222830255.3U CN218293824U (en) | 2022-10-26 | 2022-10-26 | Long plunger ring closed strong vortex pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222830255.3U CN218293824U (en) | 2022-10-26 | 2022-10-26 | Long plunger ring closed strong vortex pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218293824U true CN218293824U (en) | 2023-01-13 |
Family
ID=84809208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222830255.3U Active CN218293824U (en) | 2022-10-26 | 2022-10-26 | Long plunger ring closed strong vortex pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218293824U (en) |
-
2022
- 2022-10-26 CN CN202222830255.3U patent/CN218293824U/en active Active
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