CN219483022U - Multilayer rotational flow sand removing device - Google Patents

Abstract

The utility model discloses a multilayer rotational flow sand removing device, which comprises a machine body, wherein a motor is arranged in the machine body, a gear set is arranged at the outer side of the output end of the motor, a rotating rod is arranged in the machine body in a rotating way, the rotating rod is in transmission fit with the gear set, a tower-type vortex sheet is arranged below the rotating rod, a sand removing device is arranged at the outer side of the rotating rod, the sand removing device sequentially consists of a sand removing rotary table I, a sand removing rotary table II and a sand removing rotary table III from inside to outside, the sand removing device is in transmission fit with the gear set, a fixed table is arranged below the sand removing device, the sand removing device is in rotation fit with the fixed table, a sedimentation cavity is arranged below the fixed table, sand sieving is more refined through the three-layer sand removing device, sand sieving holes are prevented from being blocked through the rotation of the sand removing rotary table, sand sieving efficiency is improved, crude oil adhering to the surface of sieving sand is collected through a filter plate, loss is reduced, continuous and refined sand sieving work is realized, and production efficiency is greatly improved.

Description

Multilayer rotational flow sand removing device

Technical Field

The utility model relates to the technical field of petroleum gas exploitation processing equipment, in particular to a multilayer rotational flow sand removing device.

Background

The produced liquid of the oil field contains sediment, belongs to impurities in petroleum products and needs to be removed. In particular, the produced liquid containing polymer and ternary composite medium and the produced liquid of thick oil have higher sand content, which causes difficult purification treatment of the produced liquid, sedimentation of pipelines and treatment equipment, and greatly increases engineering investment and operation cost.

A cyclone sand remover (publication number: CN 206881933U) disclosed in Chinese patent comprises a sand remover outer shell, a liquid outlet, a first sand remover inner shell, a second sand remover inner shell, a plurality of cyclone through holes, a pair of feed inlets, an inner shell connecting part, a rotary driving device, an oil gas outlet, a plurality of support columns, a mounting base and a liquid filter screen; the utility model discloses a novel oil and gas separator which is characterized in that a liquid outlet is connected with a sand separator outer shell, a second sand separator inner shell is arranged in the sand separator outer shell through a first sand separator inner shell, rotational flow through holes are distributed on the first sand separator inner shell and the second sand separator inner shell, a feeding port is connected with the second sand separator inner shell, an inner shell connecting part is connected with the first sand separator inner shell and a rotary driving device, an oil gas outlet is arranged on the first sand separator inner shell and the second sand separator inner shell, a support column is connected with the sand separator outer shell and a mounting base, a liquid filter screen is arranged in the sand separator outer shell, liquid, solid and gas in the produced oil and gas are separated and discharged through a multi-layer shell structure, after crude oil is separated by the novel oil and gas separator inner shell, operations such as taking out the second sand separator inner shell are required to be stopped and discharged, continuous separation cannot be realized, and the rotational flow through holes with single aperture are easy to cause blockage or incomplete separation and the like, so that the separation effect is influenced.

Disclosure of Invention

The technical problem to be solved by the utility model is to overcome the difficulty and provide a multilayer rotational flow sand removing device.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a multilayer whirl degritting device, includes the organism, the organism in be equipped with the motor, the motor output outside be equipped with the gear train, the organism rotation be equipped with the bull stick, bull stick and gear train transmission cooperation, bull stick below be equipped with tower type vortex sheet, the bull stick outside be equipped with degritting device, degritting device from interior outwards constitute by degritting revolving stage one, degritting revolving stage two and degritting revolving stage three in proper order, degritting device and gear train transmission cooperation, degritting device below be equipped with the fixed station, degritting device and fixed station normal running fit, the fixed station below be equipped with the precipitation chamber.

As an improvement: the sand removal rotary table I, the sand removal rotary table II and the sand removal rotary table III are conical annular tables, a plurality of guide plates are uniformly arranged on the inner sides of the sand removal rotary table I, the sand removal rotary table II and the sand removal rotary table III are uniformly provided with a plurality of sand screening holes, the apertures of the sand screening holes on the sand removal rotary table I, the sand removal rotary table II and the sand removal rotary table III are sequentially reduced, the rotation of the sand removal rotary table is realized, the crude oil moves upwards along the rotation of the guide plates, and the spun yarn is screened out from the next cavity through the sand screening holes.

As an improvement: the gear set comprises a first gear, a second gear, a third gear and a first bevel gear, annular racks are arranged at the tops of the first sand removal rotary table, the second sand removal rotary table and the third sand removal rotary table, the first gear, the second gear and the third gear are meshed with the annular racks on the first sand removal rotary table, the second sand removal rotary table and the third sand removal rotary table respectively, a bevel gear is arranged above the rotating rod, the second bevel gear is meshed with the first bevel gear, and the motor is driven to rotate by the rotating rod and the third sand removal rotary table.

As an improvement: the sand removing device is characterized in that a plurality of sand leaking holes are uniformly arranged in the first sand removing rotary table, the second sand removing rotary table and the third sand removing rotary table, the sand leaking holes are communicated with the sedimentation cavity, an annular pipe is arranged in the third sand removing rotary table and communicated with a cavity in the third outer side of the sand removing rotary table, a liquid outlet is formed in one side of the annular pipe, the first liquid outlet penetrates through a through hole in one side of the machine body, sand after screening falls into the sedimentation cavity through the sand leaking holes, and crude oil liquid after screening is discharged from the pair of liquid outlets.

As an improvement: the inner sides of the tops of the second sand removal turntable and the third sand removal turntable are provided with a baffle I, the second sand removal turntable and the third sand removal turntable are respectively in running fit with the first sand removal turntable and the second sand removal turntable through the baffle I, the sand removal turntable is characterized in that a second baffle is arranged on the outer side of the top of the third sand removal turntable, the third sand removal turntable is in running fit with the machine body through the second baffle, and the sand screening area is prevented from being separated when crude oil is stirred and moved through the first baffle and the second baffle.

As an improvement: the sedimentation cavity in be equipped with the filter, the filter on be equipped with a plurality of through-holes of evenly arranging, sedimentation cavity bottom one side be equipped with the liquid outlet two, the liquid outlet two pass organism one side through-hole, make the crude oil of sand surface adhesion collect through the filter.

As an improvement: the outer diameters of the first gear, the second gear and the third gear are sequentially increased, so that crude oil can keep certain centrifugal motion at the cavity of the inner side of each layer of sand removal rotary table, the first inner side sand removal rotary table gives certain kinetic energy to liquid due to the tower type vortex sheet, the rotating speed required by sand screening is low, and the third outer side sand removal rotary table is high in rotating radius and the rotating speed required by sand screening is high.

As an improvement: the top of the machine body is provided with a feeding port, so that crude oil can be conveniently input.

Compared with the prior art, the utility model has the advantages that: make sand screening work more meticulous through three-layer sand removal device, rotate through the sand removal revolving stage and sieve sand, avoid blockking up the sand screening hole, improve sand screening efficiency, make liquid rotate upward movement through tower vortex sheet and deflector, cooperate sand screening hole to reach high-efficient sand screening effect, collect screening sand surface adhesion crude oil through the filter, reduce the loss, this device has realized serialization, fine sand screening work, very big improvement production efficiency.

Drawings

FIG. 1 is a schematic view of a multi-layer cyclone desanding device.

FIG. 2 is a schematic view showing the development of a sand removal turntable of a multi-layer cyclone sand removal device according to the present utility model.

FIG. 3 is a schematic view of the structure of the zone A of the multi-layer cyclone desanding device.

As shown in the figure: 1. a body; 2. a motor; 3. a sand removing device; 4. a gear set; 5. a rotating rod; 6. a fixed table; 7. a sedimentation chamber; 8. a first liquid outlet; 9. a second liquid outlet; 11. a feeding port; 31. a sand removal rotary table I; 32. a sand removal rotary table II; 33. a sand removal rotary table III; 34. a guide plate; 35. screening sand holes; 36. an annular rack; 37. a first baffle; 38. a second baffle; 41. a first gear; 42. a second gear; 43. a third gear; 44. a first helical gear; 51. a helical gear II; 52. a tower-type vortex sheet; 61. sand leakage holes; 62. an annular tube; 71. and (5) a filter plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a multi-layer rotational flow sand removing device comprises a machine body 1, a motor 2 is arranged in the machine body 1, a gear set 4 is arranged at the outer side of the output end of the motor 2, a rotating rod 5 is arranged in the machine body 1 in a rotating mode, the rotating rod 5 is in transmission fit with the gear set 4, a tower-type vortex sheet 52 is arranged below the rotating rod 5, a sand removing device 3 is arranged at the outer side of the rotating rod 5, the sand removing device 3 sequentially consists of a sand removing rotary table I31, a sand removing rotary table II 32 and a sand removing rotary table III 33 from inside to outside, the sand removing device 3 is in transmission fit with the gear set 4, a fixed table 6 is arranged below the sand removing device 3 and the rotating rod 5 are in rotary fit with the fixed table 6, a sedimentation cavity 7 is arranged below the fixed table 6, and a feeding port 11 is arranged at the top of the machine body 1.

Referring to fig. 1, 2 and 3, the first sand removing turntable 31, the second sand removing turntable 32 and the third sand removing turntable 33 are conical ring platforms, cavities are reserved between adjacent conical ring platforms, a plurality of guide plates 34 are uniformly arranged on the inner sides of the conical ring platforms, a plurality of sand sieving holes 35 are uniformly formed between the adjacent guide plates 34, the diameters of the sand sieving holes 35 on the first sand removing turntable 31, the second sand removing turntable 32 and the third sand removing turntable 33 are sequentially reduced, a first baffle 37 is arranged on the inner sides of the tops of the second sand removing turntable 32 and the third sand removing turntable 33, the second sand removing turntable 32 and the third sand removing turntable 33 are respectively in rotary fit with the first sand removing turntable 31 and the second sand removing turntable 32 through the first baffle 37, a second baffle 38 is arranged on the outer sides of the tops of the third sand removing turntable 33, and the third sand removing turntable 33 is in rotary fit with the machine body 1 through the second baffle 38.

Referring to fig. 1, the gear set 4 is composed of a first gear 41, a second gear 42, a third gear 43 and a first bevel gear 44, annular racks 36 are respectively arranged at the tops of the first sand removal rotary table 31, the second sand removal rotary table 32 and the third sand removal rotary table 33, the first gear 41, the second gear 42 and the third gear 43 are respectively meshed with the annular racks 36 on the first sand removal rotary table 31, the second sand removal rotary table 32 and the third sand removal rotary table 33, the outer diameters of the first gear 41, the second gear 42 and the third gear 43 are sequentially increased, a second bevel gear 51 is arranged above the rotary rod 5, and the second bevel gear 51 is meshed with the first bevel gear 44.

Referring to fig. 1, the top of the fixed table 6 is provided with a plurality of sand leakage holes 61 uniformly arranged on the inner sides of the first sand removal rotary table 31, the second sand removal rotary table 32 and the third sand removal rotary table 33, the sand leakage holes 61 are communicated with the sedimentation cavity 7, an annular pipe 62 is arranged on the outer side of the third sand removal rotary table 33 inside the fixed table 6, the annular pipe 62 is communicated with a cavity on the outer side of the third sand removal rotary table 33, one side of the annular pipe 62 is provided with a first liquid outlet 8, and the first liquid outlet 8 penetrates through a through hole on one side of the machine body 1.

Referring to fig. 1, a filter plate 71 is disposed in the settling chamber 7, a plurality of through holes are uniformly arranged on the filter plate 71, a second liquid outlet 9 is disposed on one side of the bottom of the settling chamber 7, and the second liquid outlet 9 passes through the through hole on one side of the machine body 1.

When the sand removing device is specifically implemented, crude oil is conveyed into the sand removing device through a feeding hole, a motor drives a gear set to rotate, a rotating rod and a sand removing rotary table rotate, a tower-type vortex sheet rotates, the sand removing rotary table is increased in rotation speed from inside to outside through gears with different diameters, the tower-type vortex sheet rotates to stir the crude oil to be obliquely upwards thrown onto the first sand removing rotary table, the crude oil is enabled to move upwards along a guide plate in a rotating mode through the rotation of the sand removing rotary table, the crude oil enters a next cavity through a sand sieving hole, coarse sand is sieved out and is sieved out on the next sand removing rotary table, the crude oil finally flows into an annular pipe through a sand sieving hole of the sand removing rotary table, sand solids which are sun out fall into a sedimentation cavity from the sand leaking hole by virtue of self gravity, the adhered crude oil flows to the bottom of the sedimentation cavity through sedimentation and filtering plates, and is discharged through a second liquid outlet and a second oil conveying pipe, and the second liquid outlet is connected to an oil conveying pipe to a next processing workshop.

The sand can not block the sand screening holes through the rotation of the sand removal rotary table under the action of centrifugal force, the sand is stirred in the cavity inside the sand removal rotary table, the sand falls into the sedimentation cavity through the reduction of the motor, after the motor is accelerated, the sand and crude oil liquid are driven by the guide plate and can not fall from the sand leaking holes, and the sand in the sedimentation cavity is cleaned under the condition of no shutdown, so that continuous and fine sand screening work is realized.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (8)

1. The utility model provides a multilayer whirl sand removal device, includes organism (1), its characterized in that: the utility model provides a sand removal device, including organism (1), organism (1) in be equipped with motor (2), motor (2) output outside be equipped with gear train (4), organism (1) internal rotation be equipped with bull stick (5), bull stick (5) and gear train (4) transmission cooperation, bull stick (5) below be equipped with tower type vortex sheet (52), bull stick (5) outside be equipped with sand removal device (3), sand removal device (3) from inside to outside constitute by sand removal revolving stage one (31), sand removal revolving stage two (32) and sand removal revolving stage three (33) in proper order, sand removal device (3) and gear train (4) transmission cooperation, sand removal device (3) below be equipped with fixed station (6), sand removal device (3) and fixed station (6) normal running fit, fixed station (6) below be equipped with sedimentation chamber (7).

2. A multi-layer cyclone desanding device as claimed in claim 1, wherein: the sand removal rotary table I (31), the sand removal rotary table II (32) and the sand removal rotary table III (33) are conical annular platforms, a plurality of guide plates (34) are uniformly arranged on the inner side of the sand removal rotary table I, the sand removal rotary table II (32) and the sand removal rotary table III (33), a plurality of sand screening holes (35) are uniformly formed between the adjacent guide plates (34), and the apertures of the sand screening holes (35) on the sand removal rotary table I (31), the sand removal rotary table II (32) and the sand removal rotary table III (33) are sequentially reduced.

3. A multi-layer cyclone desanding device as claimed in claim 1, wherein: the gear set (4) comprises a first gear (41), a second gear (42), a third gear (43) and a first bevel gear (44), annular racks (36) are arranged at the tops of the first sand removal rotary table (31), the second sand removal rotary table (32) and the third sand removal rotary table (33), the first gear (41), the second gear (42) and the third gear (43) are respectively meshed with the annular racks (36) on the first sand removal rotary table (31), the second sand removal rotary table (32) and the third sand removal rotary table (33), a second bevel gear (51) is arranged above the rotary rod (5), and the second bevel gear (51) is meshed with the first bevel gear (44).

4. A multi-layer cyclone desanding device as claimed in claim 1, wherein: the sand removing device is characterized in that a plurality of sand leaking holes (61) which are uniformly arranged are formed in the top of the fixed table (6) on the inner side of the first sand removing rotary table (31), the second sand removing rotary table (32) and the third sand removing rotary table (33), the sand leaking holes (61) are communicated with the sedimentation cavity (7), an annular pipe (62) is arranged on the outer side of the third sand removing rotary table (33) inside the fixed table (6), the annular pipe (62) is communicated with a cavity on the outer side of the third sand removing rotary table (33), a liquid outlet I (8) is formed in one side of the annular pipe (62), and the liquid outlet I (8) penetrates through a through hole on one side of the machine body (1).

5. A multi-layer cyclone desanding device as claimed in claim 2, wherein: the sand removal revolving stage II (32) and sand removal revolving stage III (33) top inboard be equipped with baffle one (37), sand removal revolving stage II (32) and sand removal revolving stage III (33) pass through baffle one (37) respectively with sand removal revolving stage one (31), sand removal revolving stage two (32) normal running fit, sand removal revolving stage III (33) top outside be equipped with baffle two (38), sand removal revolving stage III (33) normal running fit with organism (1) through baffle two (38).

6. A multi-layer cyclone desanding device as claimed in claim 1, wherein: the sedimentation chamber (7) in be equipped with filter (71), filter (71) on be equipped with a plurality of through-holes of evenly arranging, sedimentation chamber (7) bottom one side be equipped with liquid outlet two (9), liquid outlet two (9) pass organism (1) one side through-hole.

7. A multi-layer cyclone desanding device as claimed in claim 3, wherein: the outer diameters of the first gear (41), the second gear (42) and the third gear (43) are sequentially increased.

8. A multi-layer cyclone desanding device as claimed in claim 2, wherein: the top of the machine body (1) is provided with a feeding port (11).