Rotary spraying type high-pressure cavitation jet pipeline cleaning device
By using a rotary high-pressure cavitation jet device, powerful micro-jet and cavitation shock wave are generated by high-elasticity rigid fins and hydraulic cavitation effect, which solves the problems of insufficient jet pressure and low cavitation collapse rate in oil pipeline cleaning and achieves high-efficiency cleaning effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2026-04-10
AI Technical Summary
Existing jet cleaners are unable to effectively clean oil pipelines with severe local deposits. Insufficient jet pressure, fins unable to adhere tightly to the pipe wall, reduced cavitation jet impact force, and low effective cavitation burst rate result in poor cleaning performance.
The device employs a high-pressure cavitation jet device, which utilizes backward-bending high-elasticity rigid outer fins, spring pressure plates, and high-elasticity rigid inner fins to open under the induction of water flow, increasing the contact force with the pipeline. Combined with the hydraulic cavitation effect, it generates a powerful micro-jet and cavitation-destructive shock wave to remove deposits such as oil and chemical scale.
It achieves efficient cleaning of deposits in oil pipelines, with sufficient jet pressure, fins tightly adhering to the pipe wall, high cavitation collapse rate, significantly improved cleaning effect, and no damage or contamination.
Smart Images
Figure CN224101410U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline dredging technical field especially relates to a rotary jet formula high pressure cavity jet pipeline cleaning device. BACKGROUND
[0002] In the oilfield exploitation process, various insoluble mixtures are mixed together in the oil pipeline, with the continuous change of pressure and temperature, the dissolved minerals make the output oil-water mixture in the supersaturated state, the scale or silt is precipitated from the produced liquid, is adsorbed on the metal surface, forms hard, laminated deposit, makes the serious scale or silt phenomenon in the oil pipeline.
[0003] At present, the existing jet flow device cannot meet this working condition, the pipeline with serious local deposition and silt cannot be cleaned, and the jet flow device actually used adopts the laminated umbrella form, the water flow needs to pass through multiple obstacles, leading to insufficient jet flow pressure, and the fin width is large, cannot closely adhere to the pipe wall, the travel of the cavitation jet before impacting the scale is too long, leading to the decline of the cavitation jet impact force and the low effective breaking rate of the cavitation bubble. UTILITY MODEL CONTENT
[0004] In order to overcome the problem that the existing cavity jet flow device is blocked by the sediment in the forward direction, the jet flow device cannot advance, and the inner wall cleaning of the pipeline cannot be realized.
[0005] The technical scheme of the utility model is: a rotary jet formula high pressure cavity jet pipeline cleaning device, including liquid inlet spiral pipe, the front end of liquid inlet spiral pipe is connected with rotary spray head, rotary spray head includes nut seat located at rear, nut seat is connected with liquid inlet spiral pipe and is in screw thread engagement, two groups of elastic pressure components are arranged in the axial direction of liquid inlet spiral pipe, the first group of elastic pressure components is attached to the nut seat, the elastic pressure components sequentially include high elastic rigid outer fin, high elastic rigid inner fin and spring pressing piece from front to back, high elastic rigid outer fin includes perforation one located in the middle, spring pressing piece includes opening two located in the middle, high elastic rigid inner fin includes hole three located in the middle, perforation one, opening two and hole three can be penetrated by liquid inlet spiral pipe, the first group of elastic pressure components and the second group of elastic pressure components are penetrated by liquid inlet spiral pipe, and interval is arranged between the two groups of elastic pressure components.
[0006] As preferred, the rear of the first group of elastic pressure components is attached with a nut, the nut behind the first group of elastic pressure components can extrude the first group of elastic pressure components to the position of the nut seat.
[0007] As preferred, the outer side of the liquid inlet spiral pipe is provided with threads, the threads on the outer side of the liquid inlet spiral pipe can be engaged with the nut.
[0008] As preferred, a partition ball is arranged between the first group of elastic pressure components and the second group of elastic pressure components, and the partition ball can be penetrated by the liquid inlet spiral pipe.
[0009] The second group of elastic pressing assemblies are preferably provided with gaskets in front of the elastic pressing assemblies, and the gaskets are capable of being attached to the rear of the partition balls.
[0010] The axis of the rotating nozzle is provided with a spray outlet, and the axis of the liquid inlet spiral pipe is provided with a through hole two, the spray outlet is coaxial with the through hole two, and the diameter of the spray outlet is equal to the diameter of the through hole two.
[0011] The high-elastic rigid outer fin comprises a plate one, a through hole one is arranged in the middle of the plate one, the plate one is in a circular structure, a connecting fin one is arranged in the edge of the plate one, a connecting fin two is arranged on the side of the connecting fin one away from the plate one, and a fin plate three is arranged on the side of the connecting fin two away from the connecting fin one. The edge of the plate two is arranged with a fin plate four in a ring shape, and the high-elastic rigid inner fin comprises an inner fin one arranged at the edge.
[0012] Compared with the jet flow device in the form of a stacked umbrella, the high-elastic rigid outer fin, the spring pressing piece and the high-elastic rigid inner fin are bent backward, are opened under the induction of water flow, and increase the contact force between the device and the pipe to be cleaned, the water flow is discharged from the through hole two and the spray outlet at high speed and high pressure through the liquid inlet spiral pipe, the device can smoothly pass through, the device utilizes the water power cavitation effect, generates strong micro jet flow and cavitation destruction shock wave in the cleaning process, and removes various dirt such as oil dirt, chemical dirt, water dirt, rust dirt, soft dirt and sticky dirt in the pipe to be cleaned, and has good cleaning effect. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a whole structure schematic view of the utility model;
[0014] Figure 2 It is a rotating nozzle structure schematic view of the utility model;
[0015] Figure 3 It is a through hole two structure schematic view of the utility model;
[0016] Figure 4 It is a through hole one structure schematic view of the utility model;
[0017] Figure 5 It is a fin plate four structure schematic view of the utility model.
[0018] Explanation of reference signs: 1, rotating spray head; 11, spray outlet; 12, nut seat; 2, high-elastic rigid inner fin; 21, inner fin 1; 3, partition ball; 4, high-elastic rigid outer fin; 41, plate 1; 42, perforation 1; 43, connecting fin 1; 44, connecting fin 2; 45, fin plate 3; 5, liquid inlet spiral pipe; 51, gasket; 52, through hole 2; 6, spring pressing plate; 61, plate 2; 62, opening 2; 63, fin plate 4; 7, screw cap. DETAILED DESCRIPTION
[0019] The utility model is further explained below in combination with the drawings and examples.
[0020] Please refer to Figure 1 - Figure 5 The utility model provides a kind of embodiment: a kind of rotary spray high-pressure cavity jet pipeline cleaning device, including liquid inlet spiral pipe 5, the front end of liquid inlet spiral pipe 5 is connected with rotating spray head 1, rotating spray head 1 includes the nut seat 12 located in rear, and nut seat 12 is connected with liquid inlet spiral pipe 5 thread engagement, and two groups of elastic pressing components are provided in the axial direction of liquid inlet spiral pipe 5, and the first group of elastic pressing components is attached to nut seat 12, and elastic pressing component sequentially includes high-elastic rigid outer fin 4, high-elastic rigid inner fin 2 and spring pressing plate 6 from front to back, high-elastic rigid outer fin 4 includes the perforation 1 42 located in middle portion, spring pressing plate 6 includes the opening 2 62 located in middle portion, and high-elastic rigid inner fin 2 includes the hole 3 located in middle portion, and perforation 1 42, opening 2 62, hole 3 can be passed through by liquid inlet spiral pipe 5, and the first group of elastic pressing components and the second group of elastic pressing components are passed through by liquid inlet spiral pipe 5, and interval is provided between two groups of elastic pressing components, by using high-elastic rigid outer fin 4, spring pressing plate 6, high-elastic rigid inner fin 2 that bend back, open under the induction of water flow, increase the contact force of the device and the pipe to be cleaned, and water flow is shot from through hole 2 52 and spray outlet 11 at high speed and high pressure after passing through liquid inlet spiral pipe 5, solve the deposit of the pipe to be cleaned that is blocked, ensure that the device passes smoothly, and the device utilizes the hydraulic cavitation effect, generates strong microjet and cavitation destructive shock wave in the process of cleaning, and removes oil stain, chemical stain, water stain, rust stain, soft stain, viscous stain and other various scale in the pipe to be cleaned, with good cleaning effect.
[0021] Please refer to Figure 1 - Figure 4In the embodiment, the first set of elastic pressing assembly is provided with a nut 7 at the rear side, the nut 7 at the rear side of the first set of elastic pressing assembly can extrude the first set of elastic pressing assembly to the position of the nut seat 12, the pressure on the pipe to be cleaned is increased by the two sets of elastic pressing assembly, the contact force is improved, the elastic pressing assembly is fastened by the limiting of the nut 7, the outer side of the inlet spiral pipe 5 in the radial direction is provided with threads, the threads at the outer side of the inlet spiral pipe 5 in the radial direction can engage with the nut 7, the nut 7 can be engaged and connected by the threads on the inlet spiral pipe 5 to achieve the effect of fastening the elastic pressing assembly, the first set of elastic pressing assembly and the second set of elastic pressing assembly are provided with a partition ball 3, the partition ball 3 can be penetrated by the inlet spiral pipe 5, the two sets of elastic pressing assembly are spaced apart by the partition ball 3, preventing the two sets of elastic pressing assembly from being impacted and adhered together, affecting the use effect.
[0022] Please refer to Figure 2 Figure 5 In the embodiment, the second set of elastic pressing assembly is provided with a gasket 51 at the front side, the gasket 51 can be attached to the rear side of the partition ball 3, the rear side of the second set of elastic pressing assembly is also attached with a nut 7, the second set of elastic pressing assembly is blocked by the gasket 51 to prevent the perforation 42 from expanding due to long-term impact, the axis position of the rotating nozzle 1 is provided with a penetrating outlet 11, the axis position of the inlet spiral pipe 5 is provided with a penetrating hole 52, the penetrating outlet 11 and the penetrating hole 52 are coaxial, the diameter of the penetrating outlet 11 is equal to the diameter of the penetrating hole 52, the impact water flow can be sprayed from the penetrating outlet 11 through the communication between the penetrating hole 52 and the penetrating outlet 11, the high-elastic rigid outer fin 4 includes a plate 41, the middle part of the plate 41 is provided with a perforation 42, the plate 41 is a circular structure, the edge of the plate 41 is annularly arranged with a connecting fin 43, the side of the connecting fin 43 away from the plate 41 is provided with a connecting fin 44, the side of the connecting fin 44 away from the connecting fin 43 is provided with a fin plate 45; the edge of the plate 61 is annularly arranged with a fin plate 63, the high-elastic rigid inner fin 2 includes an inner fin 21 at the edge, the connecting fin 43, the connecting fin 44 and the fin plate 45 formed by bending improve the friction force on the pipe to be cleaned, and the inner fin 21 and the fin plate 63 can provide support force.
[0023] In the process of working, the cleaning device can pass through the oil pipeline to be cleaned, which is referred to as the pipeline to be cleaned here, the number and thickness of the connecting fins one 43, the fin plate four 63 and the inner fin one 21 ensure that the width to thickness ratio of the slit after entering the pipeline to be cleaned is between 1:2-1:10, the width of the connecting fins one 43 and the inner fin one 21 is thirty times the thickness, and the total width of the slit to the inner diameter circumference of the pipeline to be cleaned is between 1:3-1:10, the curvature is 1 / 3±10% of the diameter of the pipeline to be cleaned, the slit here refers to the gap between the radial plate and the inner wall of the pipeline to be cleaned, the backward bending high elastic rigid outer fin 4, the spring pressing piece 6 and the high elastic rigid inner fin 2 are opened under the induction of water flow, the contact force between the device and the pipeline to be cleaned is increased, the water flow passes through the liquid inlet spiral pipe 5 and is shot out from the through hole two 52 and the spray outlet 11 at high speed and high pressure, the deposition of the pipeline to be cleaned is solved, and the device can pass through smoothly, the device uses the water power cavitation effect to generate strong microjet and cavitation bubble destruction shock wave in the process of cleaning, and various scales such as oil scale, chemical scale, water scale, rust scale, soft scale and sticky scale in the pipeline to be cleaned are removed, which has good cleaning effect, the high elastic rigid outer fin 4 is provided with wide connecting fins one 43, connecting fins two 44 and fin plates three 45, the cavitation jet is formed after the water flow passes through the narrow slit, and there is no obstacle to directly act on the scale, so the cavitation jet pressure is improved, the connecting fins two 44 are closely attached to the scale in the pipeline to be cleaned, follow the shape of the scale, the acting area is increased, the fluid barrier area between the cavitation jet and the scale is small, the jet impact energy loss is small, and the cavitation bubble also directly impacts and collapses on the scale surface, so the amount of scale removed by water flow is greatly reduced, the effective collapse rate of the cavitation bubble is improved, the diameter contraction ratio of the spring pressing piece 6 is about 30%, the through capacity is strong, and the device can prevent blockage, the device uses pure physical cleaning technology, which does not damage the pipeline and pollute the environment, so the rotary jet high pressure cavitation jet pig has the characteristics of cleaning the deposition of the pipeline to be cleaned, sufficient jet pressure, tight fin plate, large jet impact force and high effective collapse rate of cavitation bubble, when the device is placed in the pipeline to be cleaned, the high pressure water is pumped by the high pressure water pump truck, the high elastic rigid outer fin 4, the high elastic rigid inner fin 2 and the spring pressing piece 6 are opened, the high elastic rigid outer fin 4 is closely attached to the scale in the pipeline to be cleaned under the action of water pressure, when the high pressure water flow passes through the narrow gap of the high elastic rigid outer fin 4, the spring pressing piece 6 and the high elastic rigid inner fin 2, the liquid inlet spiral pipe 5 and the rotary jet head 1, the high speed and high pressure jet is formed at the outlet, and due to the water power cavitation effect, when the fluid flows through a contraction device, a pressure drop area is generated, when the pressure drops to negative pressure, the gas dissolved in the fluid is released, at the same time, the fluid vaporizes to generate a large amount of cavitation bubble, so the cavitation jet is generated, the volume of the cavitation bubble is sharply reduced until it collapses when the pressure increases by colliding with the pipe wall during the further flow of the fluid, and strong microjet is instantaneously shot out, the deposition is crushed under the joint action of the jet and the cavitation bubble collapse,To achieve the purpose of efficient cleaning of sediment clogging pipeline.
[0024] Through the above steps, the high-elastic rigid outer fin 4, spring pressing piece 6, and high-elastic rigid inner fin 2 are bent backward, and are opened under the induction of water flow, increasing the contact force between the device and the pipeline to be cleaned. The water flow passes through the liquid inlet spiral pipe 5 and is shot out from the through hole two 52 and the spray outlet 11 at high speed and high pressure, solving the problem of sediment clogging in the pipeline to be cleaned and ensuring the smooth passing of the device. The device utilizes the hydrodynamic cavitation effect to generate strong micro-jet and cavitation destruction shock wave in the cleaning process, and can remove various dirt such as oil dirt, chemical dirt, water dirt, rust dirt, soft dirt, and sticky dirt in the pipeline to be cleaned, having good cleaning effect. The device solves the problem of serious clogging in the forward direction of the existing cavity jet device, and the jet device is blocked by sediment and cannot move forward, so that the inner wall cleaning of the pipeline cannot be realized.
Claims
1. A rotary jet high pressure cavitation jetting pipe cleaning device, characterized by: The utility model provides an improved rotating nozzle, which comprises a liquid inlet spiral pipe (5), a rotating nozzle (1) connected to the front end of the liquid inlet spiral pipe (5), a nut seat (12) located at the rear of the rotating nozzle (1), the nut seat (12) being threadedly engaged with the liquid inlet spiral pipe (5), two sets of elastic pressing components arranged in the axial direction of the liquid inlet spiral pipe (5), the first set of elastic pressing components being attached to the nut seat (12), the elastic pressing components sequentially comprising a high-elastic rigid outer fin (4), a high-elastic rigid inner fin (2) and a spring pressing plate (6) from front to back, the high-elastic rigid outer fin (4) comprising a through hole (42) located in the middle part, the spring pressing plate (6) comprising an opening (62) located in the middle part, the high-elastic rigid inner fin (2) comprising a hole (3) located in the middle part, the through hole (42), the opening (62) and the hole (3) being capable of being penetrated by the liquid inlet spiral pipe (5), the first set of elastic pressing components and the second set of elastic pressing components being penetrated by the liquid inlet spiral pipe (5), a gap being arranged between the two sets of elastic pressing components, a nut (7) being arranged at the rear of the first set of elastic pressing components, the nut (7) being capable of extruding the first set of elastic pressing components to the position of the nut seat (12).
2. The water jet high pressure cavitation jetting pipe cleaning device according to claim 1, characterized in that: The outer side of the liquid inlet spiral pipe (5) in the radial direction is provided with threads, the threads on the outer side of the liquid inlet spiral pipe (5) in the radial direction being capable of being engaged with the nut (7).
3. The rotary jet high pressure cavitation jetting pipe cleaning apparatus according to claim 2, characterized in that: A partition ball (3) is arranged between the first set of elastic pressing components and the second set of elastic pressing components, the partition ball (3) being capable of being penetrated by the liquid inlet spiral pipe (5).
4. The water jetting high pressure cavitation jetting pipe cleaning device according to claim 2, characterized in that: A gasket (51) is arranged at the front of the second set of elastic pressing components, the gasket (51) being capable of being attached to the rear of the partition ball (3), and a nut (7) is also attached to the rear of the second set of elastic pressing components.
5. The rotational spray high pressure cavitation jetting pipe cleaning apparatus of claim 1, wherein: The axis of the rotating nozzle (1) is provided with a spray outlet (11) penetrating therethrough, the axis of the liquid inlet spiral pipe (5) is provided with a through hole (52) penetrating therethrough, the spray outlet (11) and the through hole (52) are coaxial, and the diameter of the spray outlet (11) is equal to the diameter of the through hole (52).
6. The rotary jet high pressure cavitation jetting pipe cleaning apparatus according to claim 5, characterized in that: The high-elastic rigid outer fin (4) comprises a plate (41), the middle part of the plate (41) is provided with a through hole (42), the plate (41) is in a circular structure, the edge of the plate (41) is annularly and integrally provided with a connecting fin (43), the connecting fin (43) is provided with a connecting fin (44) away from the plate (41), and the connecting fin (44) is provided with a fin plate (45) away from the connecting fin (43); the edge of a plate (61) is annularly and integrally provided with a fin plate (63), and the high-elastic rigid inner fin (2) comprises an inner fin (21) located at the edge.