A device for preventing segregation and clogging in transport pipelines

Abstract

This application discloses an anti-segregation and anti-clogging device for a transport pipeline in the field of pipeline technology. The transport pipeline is divided into several segments discontinuously along its own axis. A flexible hose is provided between every two adjacent segments, connecting and communicating with each other. A spiral blade is fixed inside the flexible hose, extending spirally along the axis of the transport pipeline on the inner wall of the hose. The spiral directions of the spiral blades in adjacent hoses are opposite. This application, by combining a flexible hose with a rigid transport pipeline and using spiral blades with opposite spiral directions along the pipeline path to guide and buffer the transport fluid in a spiral manner, achieves the purpose of reducing the flow velocity of the transport fluid, thereby effectively reducing both the segregation rate and the clogging rate of the transport fluid.

Description

Technical Field

[0001] This invention relates to the field of pipeline technology, and in particular to an anti-segregation and anti-clogging device for transport pipelines. Background Technology

[0002] Transportation pipelines often face scenarios involving significant elevation differences. The transportation process must maintain continuity and stable delivery quality. When the materials transported in the pipeline are concrete, mortar, solidified fluids, or non-ideal fluids in chemical processes, segregation problems can occur due to the significant elevation differences, directly impacting project or production quality. Segregation can easily lead to pipeline blockages, causing delivery interruptions.

[0003] In related pipeline technologies, construction process control is typically employed to mitigate segregation and prevent pipeline blockage. However, construction process control struggles to balance transportation and production. Furthermore, in scenarios involving significant elevation differences, the greater the elevation difference, the less impact the construction process has on segregation and blockage issues. Therefore, addressing segregation and blockage problems through construction process control is quite challenging. Summary of the Invention

[0004] This application discloses an anti-segregation and anti-clogging device for transport pipelines, in order to solve the technical problems of unstable transport quality and easy pipeline blockage caused by segregation of transported materials in the transport pipeline in related technologies.

[0005] To solve the above problems, this application adopts the following technical solution:

[0006] This application provides an anti-segregation and anti-clogging device for a transport pipeline. The transport pipeline is longitudinally and intermittently distributed into several pipe segments along its own axis. A flexible hose is provided between every two adjacent pipe segments, and the flexible hose connects and communicates the two adjacent pipe segments.

[0007] The hose has a fixed spiral blade inside, which extends spirally along the axis of the transport pipeline on the inner wall of the hose. The spiral blades in two adjacent hoses have opposite spiral directions.

[0008] Furthermore, the spiral blade extends in a single spiral turn inside the hose.

[0009] Furthermore, the spiral arrangement height of the spiral blades is the same as the inner diameter of the transport pipeline;

[0010] And / or, the maximum width of the spiral blades is 1 / 4 to 1 / 3 of the inner diameter of the transport pipe;

[0011] And / or, the projected area of ​​the spiral blades on the cross-section of the transport pipeline is 30% to 70% of the cross-sectional area of ​​the transport pipeline.

[0012] Furthermore, two longitudinally adjacent pipe sections are designated as the first pipe section and the second pipe section, with the second pipe section located below the first pipe section;

[0013] The hose is fitted with an outer frame, with both ends of the outer frame fixed to both ends of the hose. The upper end of the outer frame is detachably and fixedly connected to the first tube section, and the lower end of the outer frame is inserted into the outer peripheral wall of the second tube section.

[0014] Furthermore, the outer frame includes a flange ring and a frame flange ring. The flange ring is fitted over the first pipe section and fixedly connected. The frame flange ring is fitted over the hose. One end of the frame flange ring is detachably fixed to the flange ring, and the other end is fitted over the second pipe section.

[0015] The two ends of the hose are fixed to the two ends of the frame flange ring, respectively.

[0016] Furthermore, the frame flange ring includes a first ring body and a second ring body. The first ring body is fitted outside the first pipe section, and the second ring body is fitted outside the second pipe section. The first ring body and the flange ring are detachably and fixedly connected.

[0017] One end of the hose is fixed to the first coil, and the other end is fixed to the second coil.

[0018] Several support rods are circumferentially distributed between the first and second rings. One end of each support rod is fixed to the first ring, and the other end is fixed to the second ring.

[0019] And / or, the support rods are evenly distributed circumferentially around the axis of the hose.

[0020] Furthermore, a flexible hose is inserted into the end portion of the pipe section, and a fixing strap is provided on the outer sleeve of the flexible hose. The end of the flexible hose is secured to the end of the pipe section by the fixing strap.

[0021] Furthermore, it also includes a vibrating section, which is fitted outside the pipe section and is used to drive the pipe section to vibrate.

[0022] Furthermore, the vibrating part includes a fixing ring, which is sleeved on the outside of the pipe section. The outer side of the fixing ring is provided with a fixing plate, which is fixed to the back plate. The back plate is provided with a vibration motor, which is connected to the back plate through a connecting plate.

[0023] Furthermore, the fixing ring includes a first set of rings and a second set of rings, which are coaxially arranged and have a gap between them.

[0024] The technical solution adopted in this application can achieve the following beneficial effects:

[0025] This application divides the transport pipeline into several segments, which are connected and linked by flexible hoses. Because the transport pipeline itself is rigid, the flexibility of the hoses acts as a buffer for the transport fluid during connection. The spiral vanes inside the hoses guide the rotation of the transport fluid, thereby reducing the segregation rate. This application combines flexible hoses with a rigid transport pipeline, and utilizes spiral vanes with opposite spiral directions along the pipeline path to guide and buffer the transport fluid, achieving a reduction in flow velocity and effectively decreasing both the segregation rate and the blockage rate. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the installation of the anti-segregation and anti-clogging device disclosed in the embodiments of this application;

[0028] Figure 2 This is a schematic diagram of the structure of the hose and outer frame disclosed in the embodiments of this application;

[0029] Figure 3 This is a cross-sectional view of the hose and outer frame disclosed in the embodiments of this application;

[0030] Figure 4 This is a top view of the hose and outer frame disclosed in the embodiments of this application;

[0031] Figure 5 This is disclosed in the embodiments of this application. Figure 4 A sectional view;

[0032] Figure 6 This is a schematic diagram of the structure of the hose disclosed in the embodiments of this application;

[0033] Figure 7 This is a schematic diagram of the structure of the vibration section disclosed in the embodiments of this application;

[0034] Figure 8 This is a schematic diagram of the structure of the spiral plate disclosed in the embodiments of this application.

[0035] In the picture:

[0036] 100. Outer frame; 110. Flange ring; 120. Frame flange ring; 130. Cable ties; 140. Support rod;

[0037] 200. Hose; 210. Spiral blade;

[0038] 300, Vibrating part; 310, First ring; 320, Second ring; 330, Fixing plate; 340, Back plate; 350, Connecting plate; 360, Vibration motor;

[0039] 400, Pipe section; 410, First pipe section; 420, Second pipe section. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions of this application will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. Based on the embodiments in this application, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0041] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0042] To facilitate understanding of the anti-segregation and anti-blockage device for transportation pipelines provided in this application embodiment, the relevant technologies are first introduced below in conjunction with the application scenario.

[0043] In the field of related pipeline technology, transport pipelines are commonly used to pump solid-liquid mixtures. Solid-liquid mixtures can be concrete, mortar, fluidized solidified soil, sewage, or non-ideal fluids in chemical industries. Among these, non-ideal fluids in chemical industries include fluids with uneven internal flow, such as petroleum, mud, coal-water slurry, and pulp.

[0044] During the pumping process requiring pipeline transport, the working environment often necessitates transporting fluids in scenarios with significant elevation differences. In such cases, the fluid's uneven internal flow can easily lead to segregation, resulting in localized solid buildup within the pipeline and subsequent blockage.

[0045] Through research, the inventors discovered that the segregation phenomenon during pipeline transportation is mainly due to the excessively fast falling speed of the transported fluid when transported in pipelines with large elevation differences, and the lack of intervention in the flow trajectory of the transported fluid during the falling process, leading to an increased segregation rate of the transported fluid.

[0046] Therefore, please see Figure 1 As shown in the illustration, this application provides an anti-segregation and anti-clogging device for a transport pipeline. The transport pipeline is longitudinally and intermittently distributed into several pipe segments 400. A flexible hose 200 is provided between every two adjacent pipe segments 400, connecting and communicating the two adjacent pipe segments 400. A transport channel with alternating rigid and flexible sections is formed between the flexible hose 200 and the pipe segments 400, providing a buffering effect. By connecting the pipe segments 400 through the flexible hose 200, the flexibility of the hose 200 can effectively influence the flow of the transport fluid, thereby slowing down the flow of the transport fluid. When the flow rate of the transport fluid is slowed down, segregation is less likely to occur.

[0047] However, simply influencing the flow trajectory using hose 200 has a limited impact on the flow of the transported fluid; it can only affect the segregation problem and cannot effectively solve it. Please see [link to relevant documentation]. Figure 4 As shown, in this embodiment of the application, a spiral blade 210 is fixed inside the hose 200 to partially receive the transported fluid inside the hose 200. The spiral blade 210, after receiving the transported fluid, affects the flow of the fluid, causing it to slow down. During the process of slowing down the overall flow velocity of the transported fluid, the receiving effect of the spiral blade 210 and the rotating flow field formed by the spiral blade 210 can also prevent large relative sliding velocities between the solid and liquid components of the transported fluid. When the relative sliding velocity between the solid and liquid components of the transported fluid decreases, the segregation phenomenon of the transported fluid can be reduced or eliminated. Please refer to... Figure 8 As shown, the spiral blade 210 extends spirally along the axis of the transport pipeline on the inner wall of the hose 200, and the spiral directions of the spiral blades 210 in two adjacent hoses 200 are opposite. When the spiral blade 210 receives the transported fluid, a rotational torque is generated. If the spiral directions of the spiral blades 210 in two adjacent hoses 200 are the same, the rotational torque will gradually accumulate, leading to an increase in the force on one side of the pipeline. Over a long period of operation, this can easily cause the joints to loosen.

[0048] In this embodiment, the spiral directions of the spiral blades 210 within two adjacent hoses 200 are set to opposite directions. This ensures that the torque cancels out when the transported fluid passes through the two adjacent hoses 200, thus maintaining the force balance of the pipeline. When the spiral directions of the spiral blades 210 within two adjacent hoses 200 rotate to 180°, the torque can cancel out to the greatest extent, thereby ensuring that the pipeline is in a balanced state of force.

[0049] Based on this, because the spiral directions of the spiral blades 210 within the two adjacent hoses 200 are opposite, the flow field within the transport pipe is in an alternating rotational pattern. Compared to a unidirectional rotating flow field, an alternating rotating flow field can reduce the velocity of the transport fluid to a greater extent, and the relative velocity between the solid and liquid components in the transport fluid can also be further reduced, thereby further reducing the segregation rate by enhancing the mixing effect.

[0050] For some embodiments of this application, please refer to Figure 8 As shown, the spiral blade 210 extends in a single turn within the hose 200. Because a rotational torque is generated at the location of the spiral blade 210, using a multi-turn spiral extension would result in excessive rotational torque or insufficient reliability of the transport pipeline, thus affecting the transport process. Using a single-turn spiral extension effectively reduces the speed of the transported fluid and prevents loosening at various connection points in the transport pipeline, maintaining the reliability of the transport pipeline's normal operation.

[0051] In some embodiments of this application, the spiral arrangement height of the spiral vane 210 is the same as the inner diameter of the transport pipe. The spiral vane 210 is designed to reduce the velocity of the transport fluid while maintaining consistent flow trajectories for both the solid and liquid components, thereby preventing segregation. If the spiral arrangement height of the spiral vane 210 is insufficient, the transport fluid in the central region of the pipe segment 400 will be unaffected and flow linearly along the axial direction. The transport fluid at the edges will be guided by the spiral to generate radial velocity, but the spiral arrangement height is insufficient to diffuse the radial velocity influence of the edge transport fluid to the transport fluid in the central region, directly causing segregation. If the spiral arrangement height of the spiral vane 210 is too high, it will lead to redundant resistance, which is detrimental to the transport of the fluid.

[0052] When the axial length of the spiral vanes 210 is equal to the inner diameter of the transport pipe, the flow field can be reconstructed within the shortest effective distance, transforming the easily segregated "turbulent straight flow" into a "stable spiral flow," thus avoiding the "more correction, more segregation" effect caused by insufficient local guidance. This improves the anti-segregation effect while achieving efficient local correction.

[0053] Taking the pumping of concrete through a transport pipeline as an example, concrete is a viscoplastic fluid (similar to toothpaste or mud). Its flow field characteristics are such that sufficient guiding contact length is required to reconstruct a radially velocous helical flow from a straight flow with no radial velocity. During transport with significant elevation differences, a velocity difference will occur between the aggregate and mortar in the concrete. When the aggregate density is greater than that of the mortar, if the flow trajectories differ, the aggregate will detach from the mortar's containment due to inertia, resulting in segregation.

[0054] If the spiral arrangement height of the spiral vane 210 is shorter than this length, the fluid will detach as soon as it comes into contact with the guide surface, and a stable spiral trajectory cannot be formed. Without the guiding effect, it is more likely to cause segregation.

[0055] Specifically, in a straight-flow state, the velocity of concrete has only an axial component (axial velocity v). a ≈0.53m / s), radial velocity v r =0, indicating slight stratification of the aggregate and mortar due to density difference, a precursor to segregation. To correct this localized deviation, a radial velocity must be forcibly applied to the fluid via the spiral vane 210. This process requires the following conditions to be met:

[0056] The contact time t between the spiral vane 210 and the fluid is greater than or equal to the fluid response time t0 (t0 is the minimum time for a viscoplastic fluid to change from straight flow to spiral flow); contact time t = axial arrangement length L / axial velocity v a (The shorter L is, the shorter t is); Engineering experiments and theoretical derivations show that: t0≈D / v a Therefore, when L≥D, t=D / v a Only when ≥t0 can velocity reconstruction be completed.

[0057] Where D is the inner diameter of the pipe.

[0058] This application uses a pipe inner diameter D of 200mm as an example for calculation and verification:

[0059] If the basic parameter is the axial flow velocity v a =0.53m / s (conventional pumping speed), concrete viscosity μ=50~100Pa·s (viscoplastic fluid characteristics), aggregate particle size d max =50mm; the relative sliding velocity between aggregate and mortar Δv≤0.1m / s (safe value), Δv≥0.3m / s (critical value for segregation).

[0060] Concrete conveying simulation tests show that when Δv ≤ 0.1 m / s, the aggregate and mortar maintain good bonding, the coefficient of variation of compressive strength after concrete pouring is ≤ 5%, and there is no obvious segregation. When 0.1 m / s < Δv < 0.3 m / s, slight segregation occurs locally (aggregate accumulation ratio ≤ 3%), and the coefficient of variation of compressive strength is 5%~10%. When Δv ≥ 0.3 m / s, the aggregate detaches from the mortar, the accumulation ratio is ≥ 5%, and the coefficient of variation of compressive strength is ≥ 10%, which is considered severe segregation and does not meet construction quality requirements. Therefore, Δv ≤ 0.1 m / s is the safe threshold to ensure no obvious segregation, and Δv ≥ 0.3 m / s is the critical threshold for severe segregation.

[0061] Minimum guided response length calculation: Based on the viscoplastic fluid guiding formula: L min =μv a / τ0×D;

[0062] Wherein, the concrete yield stress τ0 = 0.2 MPa, and the concrete viscosity μ = 80 Pa·s and axial flow velocity v are substituted into the equation. a =0.53m / s, pipe inner diameter D=0.2m: L min =0.2×10680×0.53×0.2≈0.0424m (theoretical minimum value).

[0063] Resistance verification: Darcy-Weisbach's formula ΔP = λ × (L / D) × (ρv) is used. a 2 / 2);

[0064] The design value λ = 0.028, ρ is the fluid density, and the friction loss ΔP = 36 kPa is only 0.23% of the rated pressure of the concrete pump (≥16 MPa), so there is no risk of overload.

[0065] Engineering adaptation correction: The theoretical minimum value is the result under the "ideal flow field". In actual pipelines, there is roughness and turbulent flow field. It needs to be magnified by 5 to 6 times, that is, L≈0.0424×5≈0.212m≈D (200mm). L=D is the optimal value of theoretical minimum response length combined with engineering safety factor. It can complete the flow field reconstruction locally without causing resistance redundancy due to excessive length.

[0066] Therefore, if the axial length of the spiral blade 210 is less than the inner diameter of the transport pipe, the radial velocity of the concrete will not meet the standard due to insufficient flow field reconstruction. That is, the fluid will detach from the spiral blade 210 when it is given a weak radial velocity, and the radial velocity will decrease rapidly after re-entering the straight flow section, thus failing to play the role of preventing segregation.

[0067] Furthermore, the excessively short axial length of the spiral vane 210 can also lead to localized aggregate accumulation. At the inlet end of the spiral vane 210, the straight-flowing fluid suddenly impacts it, creating a localized vortex. Aggregate, due to inertia, detaches from the mortar and accumulates at the front end of the spiral vane 210. At the outlet end of the spiral vane 210, the unstable spiral flow suddenly returns to a straight flow, intensifying the flow field turbulence and resulting in a higher secondary segregation rate compared to when there is no spiral vane 210. Because the spiral vane 210 is too short, it experiences concentrated stress when receiving the transported fluid, making it prone to deformation under the impact of the fluid, causing it to lose its guiding effect.

[0068] If the axial length of the spiral vane 210 is too long, although a more stable spiral flow can be formed, it will generate resistance redundancy, leading to increased energy consumption of the concrete pump. Furthermore, a longer spiral vane 210 will cause more excessive flow field constraint, causing the transported fluid to continue rotating for a longer distance after leaving the spiral vane 210. Upon entering the subsequent straight flow section, friction with the pipe wall intensifies, accelerating the pipe wear rate.

[0069] From the exemplary description of concrete, it can be concluded that the axial height of the spiral blade 210 needs to be limited within a reasonable range, and that calculations can verify that when the spiral arrangement height of the spiral blade 210 is consistent with the inner diameter of the transport pipeline, it can effectively balance the anti-segregation effect and the transport efficiency of the transport fluid.

[0070] For some embodiments of this application, please refer to Figure 5 As shown, the maximum width of the spiral vane 210 is 1 / 4 to 1 / 3 of the inner diameter of the transport pipe. The maximum width of the spiral vane 210 needs to be effectively limited because if the width of the spiral vane 210 is too large, it will cause the effective flow area to shrink and the friction resistance to increase dramatically; if the width of the spiral vane 210 is too small, it will lose its restraining ability and will not be able to provide guidance for the spiral trajectory of the stationary part in the transported fluid, thereby causing pipe blockage or segregation.

[0071] Continuing with the example of pumping concrete using a transport pipeline, a simulation calculation was performed with an inner diameter of the transport pipeline D=200mm. The specific calculation results are as follows:

[0072] Table 1. Comparison of parameters affecting transport fluid flow under different maximum width ratios.

[0073]

[0074] As shown in Table 1, value b represents the maximum width of the spiral vane 210. When the maximum width b of the spiral vane 210 is 1 / 4 of the pipe inner diameter D, the change in friction resistance is small and the segregation rate is effectively reduced. When the maximum width b of the spiral vane 210 is 1 / 3 of the pipe inner diameter D, the friction resistance remains stable and the segregation rate further decreases. However, when the maximum width b of the spiral vane 210 is 1 / 2 of the pipe inner diameter D, the friction resistance increases sharply, thus beginning to affect the flowability of the transported fluid. Compared to the increase in friction resistance, the segregation rate is not reduced by a significant margin. Therefore, when the maximum width b of the spiral vane 210 is 1 / 2 of the pipe inner diameter D, the negative effect on the transported fluid is greater.

[0075] Based on this, the transport fluid should ensure its own quality. For example, in the transportation of concrete, the aggregate particle size should meet the corresponding technical standards and specifications, and there should be no excessively large aggregate particle size that could damage the spiral blade 210 or the spiral trajectory guided by the spiral blade 210.

[0076] In some embodiments of this application, the projected area of ​​the spiral blade 210 on the cross-section of the transport pipe is 30% to 70% of the cross-sectional area of ​​the transport pipe. The projected area of ​​the spiral blade 210 on the cross-section of the transport pipe is the core parameter for judging the guiding strength of the spiral blade 210. When the spiral blade 210 receives fluid, it needs sufficient guiding strength to guide the transported fluid. If the guiding strength is insufficient, segregation is likely to occur. If the guiding strength is excessive, it is likely to cause excessive resistance to the transported fluid. When the projected area of ​​the spiral vane 210 on the cross-section of the transport pipe is 30% of the cross-sectional area of ​​the transport pipe, the guiding force of the spiral vane 210 is sufficient and will not generate excessive resistance, enabling effective spiral guidance of the transported fluid while protecting the spiral vane 210. When the projected area of ​​the spiral vane 210 on the cross-section of the transport pipe is less than 30% of the cross-sectional area of ​​the transport pipe, the guiding force is insufficient and the spiral vane 210 is prone to collapse under the impact of the transported fluid. When the projected area of ​​the spiral vane 210 on the cross-section of the transport pipe is 30% of the cross-sectional area of ​​the transport pipe, the spiral vane 210 can effectively complete the guiding operation and avoid collapse. When the projected area of ​​the spiral vane 210 on the cross-section of the transport pipe is 70% of the cross-sectional area of ​​the transport pipe, the effective flow area of ​​the spiral vane for the transported fluid is excessively reduced, and the risk of pipe blockage begins to increase significantly. When the projected area of ​​the spiral vane 210 on the cross-section of the transport pipe is greater than 70% of the cross-sectional area of ​​the transport pipe, the spiral vane 210 is prone to blocking the flow of the transported fluid and causing fatigue damage to the spiral vane 210. Therefore, the optimal time is when the projected area of ​​the spiral blade 210 on the cross-section of the transport pipe is within the range of 30% to 70% of the cross-sectional area of ​​the transport pipe. This ensures stable guidance of the transported fluid and maintains the structural stability of the spiral blade 210, preventing fatigue damage from occurring too quickly.

[0077] In some embodiments of this application, two longitudinally adjacent pipe segments 400 are designated as a first pipe section 410 and a second pipe section 420, with the second pipe section 420 located below the first pipe section 410. A hose 200 is located between the first pipe section 410 and the second pipe section 420, and the first pipe section 410 and the second pipe section 420 are connected and communicated via the hose 200.

[0078] Please see Figure 2 As shown, the flexible hose 200 is fitted with an outer frame 100. The two ends of the outer frame 100 are fixed to the two ends of the flexible hose 200, respectively. The outer frame 100 serves as a supporting base for the flexible hose 200 during its extended state. Please refer to [link to relevant documentation]. Figure 6 As shown, Figure 6The diagram shows the hose 200 in a stretched state. This allows the spiral vanes 210 inside the hose 200 to effectively create a spiral trajectory, and the hose 200 can buffer the transported fluid through localized deformation when it impacts the inner wall of the hose 200. The support of the outer frame 100 allows the hose 200 to quickly recover its deformation after deformation. The upper end of the outer frame 100 is detachably fixedly connected to the first pipe section 410, and the lower end of the outer frame 100 is inserted into the outer peripheral wall of the second pipe section 420. The hose 200 is connected to the first pipe section 410 and the second pipe section 420 using an external insertion method. This allows the hose 200 to be constrained to the first pipe section 410 and the second pipe section 420 by the tension force generated at its own port, and effectively avoids the formation of a flow-facing step at the inlet of the hose 200. The outlet of the hose 200 does not need to consider the influence of a flow-facing step due to the arrangement of the spiral vanes 210. The outer frame 100 is detachably fixed to the first tube 410, thereby facilitating the disassembly and maintenance of the outer frame 100 and the hose 200. The lower end of the outer frame 100 is inserted into the second tube 420, which can effectively accommodate the connection state between the hose 200 and the second tube 420.

[0079] In some embodiments of this application, the outer frame 100 includes a flange ring 110 and a frame flange ring 120. The flange ring 110 is fitted over and fixedly connected to the first pipe section 410, and the frame flange ring 120 is fitted over the flexible hose 200. One end of the frame flange ring 120 is detachably fixed to the flange ring 110, and the other end is fitted over the second pipe section 420. Both ends of the flexible hose 200 are respectively fixed to both ends of the frame flange ring 120, thereby enabling the frame flange ring 120 to effectively support the flexible hose 200. When the flange ring 110 is fixed over the first pipe section 410, the flexible hose 200 can be effectively assembled and disassembled by fixing and removing the frame flange ring 120 and the flange ring 110. Furthermore, the connection between the frame flange ring 120 and the flange ring 110 can better maintain the connection stability of the ends of the flexible hose 200. When the transport fluid impacts the hose 200, the flange ring 110 and the frame flange ring 120 bear the impact force of the transport fluid. The frame flange ring 120 is held by the flange ring 110, which can effectively prevent the hose 200 from detaching from the connection with the first pipe section 410.

[0080] For some embodiments of this application, please refer to Figure 3As shown, the frame flange 120 includes a first ring and a second ring. The first ring is fitted over the first pipe section 410, and the second ring is fitted over the second pipe section 420. The first ring and the flange 110 are detachably and fixedly connected. Because the first ring is fitted over the first pipe section 410 and the second ring is fitted over the second pipe section 420, a portion of the upper end of the hose 200 overlaps with the outer peripheral wall of the first pipe section 410, and a portion of the lower end of the hose 200 overlaps with the outer peripheral wall of the second pipe section 420. Please continue to see... Figure 3 As shown, the insertion between the hose 200 and the first tube section 410 and the second tube section 420 has an overlap portion sufficient to accommodate the first coil and the second coil, thereby making the connection between the hose 200 and the first tube section 410 and the second tube section 420 relatively stable.

[0081] Furthermore, since one end of the hose 200 is fixed to the first coil and the other end is fixed to the second coil, the first coil can restrict the position of the upper end of the hose 200 and allow the transport fluid in the first tube section 410 to effectively enter the hose 200; the second coil can restrict the position of the lower end of the hose 200 and allow the second tube section 420 to effectively receive the transport fluid in the hose 200. Due to the arrangement of the spiral blade 210, the transport fluid received by the second tube section 420 exhibits a spiral flow, so the second coil can also reinforce the end of the second tube section 420, protecting the structural stability of the end of the second tube section 420.

[0082] Several support rods 140 are circumferentially distributed between the first and second coils. One end of each support rod 140 is fixed to the first coil, and the other end is fixed to the second coil. The support rods 140 between the first and second coils are used to support and control the distance between them. Because both ends of the hose 200 are fixed to the first and second coils respectively, the hose 200 is in an extended state under the support of the support rods 140.

[0083] In some embodiments of this application, if the support rods 140 are not uniformly distributed circumferentially around the axis of the hose 200, the number of support rods 140 can be reduced while maintaining support capacity. If the support rods 140 are uniformly distributed circumferentially around the axis of the hose 200, they can have stronger support capacity, and when subjected to the force of the transported fluid flow, the force on the support rods 140 can be distributed more evenly to improve load-bearing capacity.

[0084] In some embodiments of this application, a flexible hose 200 is inserted into the end portion of the pipe segment 400, and a fixing strap 130 is provided over the flexible hose 200. The end of the flexible hose 200 is secured to the end of the pipe segment 400 by the fixing strap 130. By securing the end of the flexible hose 200 with the fixing strap 130, the flexible hose 200 is restricted to the end of the pipe segment 400, preventing the flexible hose 200 from detaching from the pipe segment 400 when the transported fluid acts on the spiral vane 210.

[0085] In some embodiments of this application, a vibration unit 300 is also included. The vibration unit 300 is sleeved outside the pipe segment 400 and is used to drive the pipe segment 400 to vibrate. The vibration unit 300 is located below the outer frame 100, that is, mounted on the pipe segment 400. When the vibration unit 300 is activated, it can drive the pipe segment 400 to vibrate. When the pipe segment 400 vibrates, it will cause the hose 200 to shake, thereby avoiding local blockage in the pipe segment 400 or the hose 200.

[0086] By reducing the probability of blockage and the segregation rate within pipe section 400 and hose 200, the overall transport pipeline can achieve a lower probability of blockage.

[0087] For some embodiments of this application, please refer to Figure 7 As shown, the vibrating unit 300 includes a fixed ring, which is sleeved around the pipe section 400. A fixed plate 330 is provided on the outer side of the fixed ring, and the fixed plate 330 is fixed to a back plate 340. A vibration motor 360 is mounted on the back plate 340, and the vibration motor 360 is connected to the back plate 340 via a connecting plate 350. The vibration motor 360 drives the back plate 340 to vibrate, and the vibration of the back plate 340 acts on the fixed plate 330, which in turn applies a vibration effect to the fixed ring, causing the fixed ring to drive the pipe section 400 to vibrate. When the pipe section 400 vibrates, any blockages in the transport pipeline will move under the vibration, thus making the transport pipeline less prone to blockage.

[0088] In some embodiments of this application, the fixing ring includes a first collar 310 and a second collar 320, which are coaxially arranged with a gap between them. By using the first collar 310 and the second collar 320, a vibration-driven external force can be effectively applied to a section of pipe 400 within the gap, preventing the external force on the pipe 400 from becoming too concentrated. Furthermore, by combining the first collar 310 and the second collar 320 to apply vibration to the pipe 400, excessive shaking of the pipe 400 can be prevented. The embodiments of this application achieve the purpose of protecting the pipe 400 and preventing loosening of the connection between the pipe 400 and the hose 200.

[0089] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0090] Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0091] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application.

Claims

1. A device for preventing segregation and blockage in transport pipelines, characterized in that, The transport pipeline is discontinuously distributed in several pipe sections (400) along its own axis. A flexible hose (200) is provided between every two adjacent pipe sections (400), and the flexible hose (200) connects and communicates the two adjacent pipe sections (400). A spiral blade (210) is fixed inside the hose (200). The spiral blade (210) extends spirally along the axis of the transport pipeline on the inner wall of the hose (200). The spiral directions of the spiral blades (210) in two adjacent hoses (200) are opposite. The spiral blade (210) extends in a single spiral turn within the hose (200); The spiral arrangement height of the spiral blades (210) is the same as the inner diameter of the transport pipe; The maximum width of the spiral blade (210) is 1 / 4 to 1 / 3 of the inner diameter of the transport pipe; The projected area of ​​the spiral blade (210) on the cross-section of the transport pipeline is 30% to 70% of the cross-sectional area of ​​the transport pipeline.

2. The anti-segregation and anti-clogging device for a transport pipeline according to claim 1, characterized in that, Two longitudinally adjacent pipe segments (400) are designated as the first pipe section (410) and the second pipe section (420), with the second pipe section (420) located below the first pipe section (410). The hose (200) is covered with an outer frame (100). The two ends of the outer frame (100) are fixed to the two ends of the hose (200) respectively. The upper end of the outer frame (100) is detachably fixed to the first tube (410). The lower end of the outer frame (100) is inserted into the outer peripheral wall of the second tube (420).

3. The anti-segregation and anti-clogging device for a transport pipeline according to claim 2, characterized in that, The outer frame (100) includes a flange ring (110) and a frame flange ring (120). The flange ring (110) is fitted over the first pipe section (410) and fixedly connected. The frame flange ring (120) is fitted over the flexible hose (200). One end of the frame flange ring (120) is detachably fixed to the flange ring (110), and the other end is fitted over the second pipe section (420). The two ends of the hose (200) are respectively fixed to the two ends of the frame flange (120).

4. The anti-segregation and anti-clogging device for a transport pipeline according to claim 3, characterized in that, The frame flange (120) includes a first ring body and a second ring body. The first ring body is sleeved outside the first pipe section (410), and the second ring body is sleeved outside the second pipe section (420). The first ring body and the flange (110) are detachably and fixedly connected. One end of the hose (200) is fixed to the first coil, and the other end is fixed to the second coil; A plurality of support rods (140) are circumferentially distributed between the first ring body and the second ring body. One end of the support rod (140) is fixed to the first ring body and the other end is fixed to the second ring body. And / or, the support rods (140) are evenly distributed circumferentially around the axis of the hose (200).

5. The anti-segregation and anti-clogging device for a transport pipeline according to claim 1, characterized in that, The end portion of the pipe segment (400) is inserted into the hose (200), and a fixing strap (130) is provided over the hose (200). The end of the hose (200) is secured to the end of the pipe segment (400) by the fixing strap (130).

6. The anti-segregation and anti-clogging device for a transport pipeline according to claim 1, characterized in that, It also includes a vibration unit (300), which is sleeved on the outside of the pipe section (400) and is used to drive the pipe section (400) to vibrate.

7. The anti-segregation and anti-clogging device for a transport pipeline according to claim 6, characterized in that, The vibrating part (300) includes a fixing ring, which is sleeved on the outside of the pipe section (400). The outer side of the fixing ring is provided with a fixing plate (330), which is fixed on the back plate (340). The back plate (340) is provided with a vibration motor (360), which is connected to the back plate (340) through a connecting plate (350).

8. The anti-segregation and anti-clogging device for a transport pipeline according to claim 7, characterized in that, The fixing ring includes a first ring (310) and a second ring (320), which are coaxially arranged and have a gap between them.

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