CN224214888U - Straight corrugated integrated pipeline - Google Patents

Abstract

The utility model belongs to the technical field of storage tank pipelines of flow batteries, in particular to a straight-section corrugated integrated pipeline, which comprises a pipeline body, wherein the pipeline body comprises a straight section and a corrugated section, connectors are formed at two ends of the pipeline body, check rings are circumferentially formed at the end parts of the connectors, a movable sleeve flange capable of moving along the axial direction and the circumferential direction is sleeved on the connector, a plurality of first through holes are formed on the movable sleeve flange at intervals, the check rings block the movable sleeve flange to prevent the movable sleeve flange from separating from the pipeline body, the straight-section corrugated integrated pipeline keeps partial straight pipe sections, the contact area of fluid and corrugated pipe walls is reduced, fluid in a main flow area is kept in a laminar state, so that the circulation resistance is reduced, the corrugated section of the straight-section corrugated integrated pipeline has axial and radial compensation capability, installation errors and mechanical deformation can be absorbed, on-site cutting or secondary machining are not needed, and the assembly efficiency is improved.

Description

Straight corrugated integrated pipeline

Technical Field

The utility model belongs to the technical field of storage tank pipelines of flow batteries, and particularly relates to a straight corrugated integrated pipeline.

Background

The flow battery storage tank pipeline is a life line of energy flow and material circulation of the whole battery and bears multiple key functions of conveying, controlling (flow/pressure), connecting, monitoring, heat management, guaranteeing safety and the like, the traditional pipeline adopts two connecting modes, namely a corrugated pipe and a straight pipe, and meanwhile, the two pipelines have the following defects in the complicated flow battery pipeline:

the straight pipe system depends on high-precision processing (such as welding and threaded connection), but factors such as equipment interface spacing, expansion and contraction of pipelines and the like in actual working conditions easily cause dimensional deviation, so that the installation is difficult and even leakage risks are caused;

The corrugated pipe has the advantages that the turbulence degree and the along-path resistance of electrolyte (or other fluid) can be obviously increased, so that the flow speed is reduced and the energy consumption is increased;

Based on the above, even if the straight pipe and the corrugated pipe are simultaneously acted in the pipeline, the corrugated pipe and the straight pipe are connected, and the transition parts such as flanges, compensators, flexible connections and the like are additionally arranged, so that the welding/bolt fixing procedure is added, the cost is high, and leakage points are easily increased due to the superposition of the parts.

In order to solve the problems, the application provides a straight corrugated integrated pipeline.

Disclosure of utility model

In order to solve the problems in the prior art, the utility model provides a straight-section corrugated integrated pipeline, which solves the problems of the traditional pipeline system in fluid resistance, installation suitability and service life defects by fusing the performance characteristics of corrugated pipes and straight pipes.

In order to achieve the purpose, the utility model provides the technical scheme that the straight-section corrugated integrated pipeline comprises a pipeline body, wherein the pipeline body comprises a straight section and a corrugated section, connectors are formed at two ends of the pipeline body, check rings are circumferentially formed at the end parts of the connectors, the connectors are sleeved with movable sleeve flanges capable of moving along the axial direction and the circumferential direction, a plurality of first through holes are formed in the movable sleeve flanges at intervals, and the check rings block the movable sleeve flanges to prevent the movable sleeve flanges from being separated from the pipeline body.

As a preferable technical scheme of the utility model, a pressing groove is formed on one side of the looper flange close to the retainer ring, and the retainer ring can be at least partially embedded into the pressing groove.

As a preferable technical scheme of the utility model, the pipe connecting device further comprises a connecting flange, wherein a connecting pipe which is in butt joint with the pipe body is formed in the connecting flange, a sealing groove corresponding to the check ring is formed at the butt joint end of the connecting flange, a sealing ring is arranged in the sealing groove, and second through holes corresponding to the first through holes are arranged in the connecting flange at intervals.

As a preferable technical scheme of the utility model, the butt joint end of the connecting flange is also provided with an arc chute, the looper flange is correspondingly provided with a convex block, and when the convex block abuts against any end of the arc chute, the first through holes and the second through holes are in one-to-one correspondence.

As a preferable technical scheme of the utility model, the lug and the looper flange are integrally formed.

As a preferable technical scheme of the utility model, the looper flange and the connecting flange penetrate through the corresponding first through hole and the corresponding second through hole through bolts and are pressed under the action of nuts.

Compared with the prior art, the utility model has the beneficial effects that:

The straight section corrugated integrated pipeline reduces the contact area of the fluid and the wavy pipe wall by reserving part of the straight section, so that the fluid in the main flow area is kept in a laminar flow state, and the flow resistance is reduced;

the corrugated section of the straight corrugated integrated pipeline has axial and radial compensation capability, can absorb installation errors and mechanical deformation, does not need on-site cutting or secondary processing, and improves the assembly efficiency;

the elastic deformation characteristic of the corrugated section can effectively absorb dynamic loads such as equipment vibration, thermal expansion and the like, and fatigue cracks of the straight pipe section due to the fact that the rigid connection bears alternating stress are avoided;

the flexibility that the looper flange can axially and circumferentially move is utilized, alignment is carried out through the rotary fit of the arc chute and the convex block, the quick connection of the bolts is facilitated, and the assembly efficiency of the pipe body is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of a pipe body;

FIG. 3 is a schematic view of the structure of FIG. 1 after connection with a connection flange;

FIG. 4 is a schematic view of the connection of FIG. 3 in semi-section;

FIG. 5 is a schematic view of the joint of the present utility model in a split configuration;

FIG. 6 is an enlarged schematic view of the construction of the looper flange;

FIG. 7 is a schematic illustration of the connection between two fluid reservoirs in accordance with the present utility model;

The pipe comprises a pipe body 1, a straight section 11, a corrugated section 13, a connector 14, a retainer ring 2, a loose flange 21, a first through hole 22, a pressing groove 23, a convex block 3, a connecting flange 31, a connecting pipe 32, a second through hole 33, a sealing groove 34, an arc-shaped chute 35, a reinforcing rib 4, a sealing ring 5, a bolt 6 and a nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-7, the present utility model provides a technical scheme that a straight corrugated integrated pipeline comprises a pipe body 1, wherein the pipe body 1 comprises an integrally formed straight section 11 and a corrugated section 12, connectors 13 are formed at both ends of the pipe body 1, check rings 14 are circumferentially formed at the ends of the connectors 13, a loose flange 2 capable of moving along the axial direction and the circumferential direction is sleeved on the connectors 13, a plurality of first through holes 21 are formed on the loose flange 2 at intervals, in this embodiment, through holes sleeved with the connectors 13 are formed in the loose flange 2 in a penetrating manner, the inner diameter of each through hole is slightly larger than the outer diameter of the connectors 13 and smaller than the outer diameter of the check rings 14, and the check rings 14 block the loose flange 2 to prevent the loose flange 2 from being separated from the pipe body 1.

Further, a pressing groove 22 is formed on one side of the looper flange 2 close to the retainer ring 14, when the looper flange 2 is moved to the end of the pipe body 1, the retainer ring 14 is partially embedded into the pressing groove 22, and the rest is protruded on the side surface of the looper flange 2, so that the looper flange can be pressed axially during connection.

Specifically, still include flange 3, flange 3 inside is formed with the connecting pipe 31 with the butt joint of body 1, and flange 3 is close to the one side of body 1 and is the butt joint end, is kept away from one side of butt joint end is the link, and connecting pipe 31 is in extend between butt joint end and the link, the link is connected with the pipeline that is located flow battery storage tank, for example flange 3 installs respectively on positive negative pole electrolyte storage tank, and body 1 forms the connection between the two so that the liquid exchange in the storage tank, in order to strengthen the support to body 1 simultaneously, flange 3 external shaping has the strengthening rib 35 of a plurality of circumferences setting.

Further, a sealing groove 33 matched with the outer diameter of the retainer ring 14 is formed at the abutting end of the connecting flange 3, the sealing groove 33 is located on the periphery of the connecting pipe 31, a sealing ring 4 is arranged in the sealing groove 33, and after abutting with the pipe body 1, the sealing ring 4 seals at the side protruding part of the retainer ring 14 so as to ensure tightness between the connecting flange 3 and the pipe body 1.

Further, the connecting flange 3 is provided with second through holes 32 corresponding to the first through holes 21 at intervals, so that the connecting fixation of the looper flange 2 and the connecting flange 3 is realized through the bolts 5 and the nuts 6, and after the assembly bolts 5 and the nuts 6 are fixed, the looper flange 2, the check rings 14, the sealing rings 4 and the connecting flange 3 are sequentially pressed and connected, so that the leakage of a pipeline can not be caused.

Further, an arc chute 34 is formed at the butt end of the connecting flange 3, a bump 23 is correspondingly formed at the loose flange 2, the bump 23 can rotate left and right after being inserted into the arc chute 34, when the bump 23 rotates to be propped against any end in the arc chute, the first through hole 21 corresponds to the second through hole 32 one by one, the arc chute 34 is convenient for the bump 23 to be inserted, radial and circumferential limit is formed for the bump 23 to rotate so as to facilitate rapid alignment of bolt hole sites, and accordingly assembly efficiency is improved.

Further, the bump 23 and the looper flange 2 are integrally formed, so that the processing is convenient, and the mechanical strength and stability can be ensured.

Specifically, the loose flange 2 and the connecting flange 3 penetrate through the corresponding first through hole 21 and the corresponding second through hole 32 through the bolts 5 and are pressed under the action of the nuts 6.

The working principle and the using flow of the utility model are as follows:

The processing of the pipe body 1 comprises the steps of manufacturing the whole pipe body 1 by adopting plastic modified PE, manufacturing a straight section 11, a corrugated section 12 and a connector 13 by adopting a seamless forming process such as hydraulic bulging and mechanical rolling integration, sleeving two looper flanges 2 outside the connector 13, heating the end parts of the connector 13 to a deformable state, forming a retainer ring 14 in an external extrusion mode, and blocking the looper flanges 2 by the retainer ring 14;

When the pipeline is assembled, one end of the straight section 11 is preferentially butted with the connecting flange 3 which is already connected with the storage tank, specifically, the sealing ring 4 is arranged in the sealing groove 33, the loose flange 2 moves to the tail end of the connecting head 13, the retainer ring 14 enters the compacting groove 22 at the moment, the loose flange 2 is butted with the connecting flange 3 along the axial direction, the convex block 23 is inserted into the arc-shaped chute 34 in the butting process, the loose flange 2 is rotated along the circumferential direction, the convex block 23 is rotated to be abutted with any end of the arc-shaped chute 34, at the moment, all the first through holes 21 and the second through holes 32 are coaxially corresponding to each other, the loose flange 2 and the connecting flange 3 are compacted and fixed through the screw of the nut 6 after the bolts 5 pass through the first through holes 21 and the second through holes 32, and the sealing ring 4 is extruded to form a seal between the connecting flange 3 and the pipeline 1;

The loose flange 2 at one end of the corrugated section 12 is then connected with the connecting flange 3 in the same manner as described above, and the state shown in fig. 7 is obtained after connection, so that the liquid exchange between the two anode and cathode electrolyte storage tanks is realized, the corrugated section 12 is a hose, a certain dimensional deviation in the assembly process can be compensated, the advantage of dimensional compensation is achieved, and the post-assembly corrugated section 12 is obviously more flexible.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The straight corrugated integrated pipeline comprises a pipeline body (1) and is characterized in that the pipeline body (1) comprises a straight section (11) and a corrugated section (12), connectors (13) are formed at two ends of the pipeline body (1), check rings (14) are circumferentially formed at the ends of the connectors (13), loose flange (2) capable of moving along the axial direction and the circumferential direction are sleeved on the connectors (13), a plurality of through holes (21) are formed in the loose flange (2) at intervals, and the check rings (14) block the loose flange (2) to prevent the loose flange from being separated from the pipeline body (1).

2. The straight corrugated integrated pipeline as claimed in claim 1, wherein a pressing groove (22) is formed on one side of the looper flange (2) close to the retainer ring (14), and the retainer ring (14) can be at least partially embedded into the pressing groove (22).

3. The straight corrugated integrated pipeline according to claim 1, further comprising a connecting flange (3), wherein a connecting pipe (31) butted with the pipe body (1) is formed inside the connecting flange (3), a sealing groove (33) corresponding to the check ring (14) is formed at the butted end of the connecting flange (3), a sealing ring (4) is contained in the sealing groove (33), and second through holes (32) corresponding to the first through holes (21) are arranged in the connecting flange (3) at intervals.

4. The straight corrugated integrated pipeline as set forth in claim 3, wherein the butt joint end of the connecting flange (3) is further formed with an arc chute (34), the looper flange (2) is correspondingly formed with a bump (23), and when the bump (23) rotates to any end in the arc chute (34) to be abutted against, the first through holes (21) are in one-to-one correspondence with the second through holes (32).

5. The straight corrugated integrated pipeline according to claim 4, wherein the lug (23) is integrally formed with the looper flange (2).

6. The straight corrugated integrated pipeline as claimed in claim 4, wherein the looper flange (2) and the connecting flange (3) penetrate through the corresponding first through hole (21) and the corresponding second through hole (32) through bolts (5) and are pressed under the action of nuts (6).