CN215831376U

CN215831376U - A piecing devices and mud pipeline for mud pipeline

Info

Publication number: CN215831376U
Application number: CN202121023348.4U
Authority: CN
Inventors: 黄昭伟; 田鹏; 郝建新; 李进; 王磊; 付坤
Original assignee: Wuhan Tianyuan Environmental Protection Co ltd
Current assignee: Wuhan Tianyuan Environmental Protection Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-02-15
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to a joint device for a sludge conveying pipeline, which comprises a joint main pipe and a joint branch pipe, wherein the joint branch pipe comprises a bent pipe section which is connected to the joint main pipe in a side-by-side mode, and the circle center of an arc-shaped axis of the bent pipe section is positioned on one side of the bent pipe section, which is far away from the outlet end of the joint main pipe; the bend section comprises a wear-resistant pipe valve with a wear-resistant structure, and the wear-resistant pipe valve is positioned on one side of the arc axis close to the circle center of the arc axis. In addition, the utility model also relates to a sludge conveying pipeline provided with the joint device. In the utility model, the joint branch pipe is connected with the joint main pipe by adopting the bent pipe section, the shunting effect is better, the kinetic energy loss of fluid in the transmission process can be obviously reduced, and the stress, strain and displacement borne by the joint device can be correspondingly reduced; the connector branch pipe body smoothly connected with the connector main pipe is arranged into the wear-resistant pipe valve, so that the erosion and abrasion of fluid at the position can be well resisted, the service life of the connector device is effectively prolonged, the replacement frequency of the connector device is reduced, and the production efficiency is improved.

Description

A piecing devices and mud pipeline for mud pipeline

Technical Field

The utility model belongs to the technical field of sludge conveying, and particularly relates to a joint device for a sludge conveying pipeline and a sludge conveying pipeline with the joint device.

Background

The pipe joint is a connecting tool between pipelines, plays the roles of straight-through connection, turning connection, shunt connection and reducing connection between the pipelines, realizes local reinforcement and special connection of the pipelines and the like, and plays an indispensable important role in pipeline connection. Common pipe joints include straight pipes, elbows, tees, and the like, wherein tees are mainly used for changing the direction of fluid and are used at the connection part of a main pipe and a branch pipe. In water supply and drainage engineering, the tee joint is widely applied, but when the tee joint is applied to a pipeline with large flow or poor fluid mobility, the flow velocity of fluid in a branch conveying pipe can be greatly reduced, the fluid conveying efficiency of a pipeline system is low, the energy consumption of a power transmission unit can be increased, the stress on the inner wall of the pipeline is increased, and the service life of the pipeline is influenced. In addition, the fluid containing particles can cause severe erosive wear to the tee pipe during transportation, especially at the main branch junction of the tee.

In a sludge conveying pipeline, the flowability of fluid is poor, the transmission pressure of front-end power equipment is large, the resistance in the pipeline is large, the abrasion to the pipeline is also large, and the stable and effective shunting of sludge to different treatment units cannot be realized at present, so that a tee pipe joint with better service performance is needed.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a joint device for a sludge conveying pipeline and a sludge conveying pipeline provided with the joint device, which can solve at least part of defects of the prior art.

The utility model relates to a joint device for a sludge conveying pipeline, which comprises a joint main pipe and a joint branch pipe, wherein the joint branch pipe comprises a bent pipe section which is connected to the joint main pipe in a side-by-side mode, and the circle center of the arc axis of the bent pipe section is positioned on one side of the bent pipe section, which is far away from the outlet end of the joint main pipe; the bend section comprises a wear-resistant pipe valve with a wear-resistant structure, and the wear-resistant pipe valve is positioned on one side of the arc axis close to the circle center of the arc axis.

In one embodiment, the wear-resistant structure comprises a wear-resistant lining layer arranged on the inner wall of the wear-resistant pipe valve.

As an embodiment, the wear-resistant lining layer is integrally formed with the wear-resistant pipe flap, and the thickness of the integrally formed structure is greater than the thickness of the rest pipe wall of the joint branch pipe.

As one embodiment, the wear-resistant structure includes a protection pipe groove fixed on the outer wall of the wear-resistant pipe flap, and the protection pipe groove and the wear-resistant pipe flap are enclosed to form a closed protection cavity.

In one embodiment, the cross-sectional arc length of the wear-resistant pipe flap is 1/3-2/3 of the circumference of the cross section of the pipe bending section.

In one embodiment, the wear-resistant flaps are tangentially connected to the joint main tube.

As one embodiment, both ends of the joint main pipe and the outlet ends of the joint branch pipes are provided with connecting flanges.

In one embodiment, the main joint pipe and the branch joint pipe are both carbon steel pipe bodies or stainless steel pipe bodies.

The utility model also relates to a sludge conveying pipeline which comprises a sludge input pipeline, a first sludge output pipeline and a second sludge output pipeline, and further comprises the joint device for the sludge conveying pipeline, wherein the sludge input pipeline is connected with the inlet end of the joint main pipe, the first sludge output pipeline is connected with the outlet end of the joint main pipe, and the second sludge output pipeline is connected with the joint branch pipe.

The utility model has at least the following beneficial effects:

according to the joint device provided by the utility model, the joint branch pipe is connected with the joint main pipe by adopting the elbow section, the shunting effect is better, the kinetic energy loss of fluid in the transmission process can be obviously reduced, the stress, strain and displacement borne by the joint device can be correspondingly reduced, and the full amplitude of the pipeline is almost 0 in the transmission process of fluid such as sludge and the like. The connector branch pipe body smoothly connected with the connector main pipe is arranged into the wear-resistant pipe valve, so that the erosion and abrasion of fluid at the position can be well resisted, the service life of the connector device is effectively prolonged, the replacement frequency of the connector device is reduced, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a joint device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a wear-resistant treatment of the joint assembly according to the embodiment of the present invention;

fig. 3 is a schematic structural diagram of another abrasion-resistant treatment of the joint device according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1-3, the embodiment of the present invention provides a joint device for a sludge conveying pipeline, which includes a joint main pipe 11 and a joint branch pipe 12, where the joint branch pipe 12 includes a bent pipe section 121 that is connected to the joint main pipe 11, and a center of an arc axis of the bent pipe section 121 is located on a side thereof away from an outlet end of the joint main pipe 11; the pipe bending section 121 includes a wear-resistant pipe flap 1211 with a wear-resistant structure, and the wear-resistant pipe flap 1211 is located on one side of the arc axis close to the center of the arc axis.

In one embodiment, as shown in fig. 1-3, the two ends of the joint main pipe 11 and the outlet ends of the joint branch pipes 12 are provided with connecting flanges, and the flange connection mode is adopted, so that the stability and reliability of the connection structure between the joint device and the sludge conveying pipeline can be effectively improved, the large stress at the joint of the joint device and the sludge conveying pipeline can be reliably borne, and the joint device and the sludge conveying pipeline are prevented from being separated or damaged to influence the smooth production.

The joint main pipe 11 and the joint branch pipe 12 are generally of an integrally formed structure, so that the manufacturing is convenient, and the structural strength and rigidity of the joint device can be ensured; the joint main pipe 11 and the joint branch pipe 12 are generally made of the same material. In this embodiment, preferably, the joint main pipe 11 and the joint branch pipe 12 are both carbon steel pipe bodies or stainless steel pipe bodies, and have a long service life.

Preferably, the above-mentioned branch joint 12 further comprises a straight pipe section for connection with an external sludge conveying pipe, and obviously, the straight pipe section is connected at one end with the elbow section 121, and when the branch joint 12 is provided with a connecting flange, the connecting flange is provided at the other end of the straight pipe section.

Based on the above designs that the circle center of the arc axis of the elbow section 121 is located at the side of the arc axis far away from the outlet end of the joint main pipe 11 and the wear-resistant pipe flap 1211 is located at the side of the arc axis near the circle center, it can be known that the wear-resistant pipe flap 1211 and the corresponding pipe wall of the joint main pipe 11 can be smoothly connected; as shown in fig. 1-3, the connector device is substantially r-shaped.

Preferably, the intersection angle between the tangent line of the pipe wall of the abrasion-resistant pipe flap 1211, which is spliced with the joint main pipe 11, and the central axis of the joint main pipe 11 is greater than 100 ° (the intersection angle is towards the center of the arc axis of the pipe bending section 121), so that the kinetic energy loss of the fluid during the transmission process can be effectively reduced. In this embodiment, the wear-resistant tube flap 1211 is tangentially connected to the joint main tube 11, that is, a tube wall tangent line of the wear-resistant tube flap 1211 at the joint with the joint main tube 11 is parallel to the central axis of the joint main tube 11, and it can be understood that the intersection angle is 180 °.

According to the joint device provided by the embodiment, the joint branch pipe 12 is connected with the joint main pipe 11 through the bent pipe section 121, the shunting effect is good, the kinetic energy loss of fluid in the transmission process can be obviously reduced, the stress, strain and displacement borne by the joint device can be correspondingly reduced, and the full amplitude of the pipeline is almost 0 in the transmission process of the fluid such as sludge.

The applicant has found that a vortex region is formed inside the joint device, so that the flow velocity is greatly increased near the pipe segment of the branch pipe 12 on the side close to the main pipe 11 of the joint, and the multiple scouring is generated, thereby causing the inner wall of the pipe segment to be seriously abraded. In this embodiment, the wear-resistant valve 1211 is disposed on the pipe body of the joint branch pipe 12, which is smoothly connected to the joint main pipe 11, so as to better resist the erosion and wear of the fluid therein, effectively prolong the service life of the joint device, reduce the replacement frequency of the joint device, and improve the production efficiency.

In one embodiment, the wear-resistant structure includes a wear-resistant lining layer disposed on the inner wall of the wear-resistant valve 1211. The wear-resistant lining layer can adopt a conventional wear-resistant lining plate and the like, or the inner wall of the wear-resistant pipe valve 1211 is coated with a wear-resistant coating; preferably, as shown in fig. 2, the wear-resistant lining layer and the wear-resistant pipe flap 1211 are integrally formed, and the thickness of the integrally formed structure is greater than the thickness of the rest pipe walls of the joint branch pipe 12, and further preferably, the wear-resistant lining layer and the wear-resistant pipe flap 1211 are made of the same material, that is, the wear-resistant pipe flap 1211 is thickened, so that the manufacture is convenient, and the service life is better.

In another embodiment, as shown in fig. 3, the wear-resistant structure includes a protection tube slot 1212 fixed on the outer wall of the wear-resistant tube flap 1211, and the protection tube slot 1212 and the wear-resistant tube flap 1211 enclose to form a closed protection cavity. The protective tube slot 1212 is a slot body with an open top and two closed ends, and the open top is attached to and fixed on the outer wall of the wear-resistant tube flap 1211; the protective tube slot 1212 is preferably able to cover the wear-prone portion of the wear-resistant tube flap 1211, for example, the width of the top of the protective tube slot 1212 is approximately the same as the outer diameter of the elbow section 121, the length of the protective tube slot 1212 is slightly smaller than the length of the elbow section 121, and the like. Through the arrangement of the protective pipe groove 1212, after the wear-resistant pipe flap 1211 is worn, fluid such as sludge can be filled into the supplementary protection cavity to form a protective lining, and subsequent fluid impacts the protective lining, so that the connector device can continue to be in service, the protective lining can form a protection mode of material beating, the wear-resistant effect is good, and the effect is better when colloid fluid such as sludge with poor fluidity is conveyed.

In one embodiment, the cross-sectional arc length of the wear-resistant pipe flap 1211 is 1/3-2/3 of the cross-sectional circumference of the pipe bending section 121, so that the wear resistance of the joint device is guaranteed.

Example two

The embodiment of the utility model provides a sludge conveying pipeline, which comprises a sludge input pipeline, a first sludge output pipeline and a second sludge output pipeline, and further comprises a joint device for the sludge conveying pipeline provided by the first embodiment, wherein the sludge input pipeline is connected with the inlet end of a joint main pipe 11, the first sludge output pipeline is connected with the outlet end of the joint main pipe 11, and the second sludge output pipeline is connected with a joint branch pipe 12.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a piecing devices for mud pipeline, is responsible for and connects branch pipe including connecting, its characterized in that: the joint branch pipe comprises a bent pipe section which is connected with the joint main pipe in a bypassing mode, and the circle center of the arc-shaped axis of the bent pipe section is located on one side, far away from the outlet end of the joint main pipe, of the bent pipe section; the bend section comprises a wear-resistant pipe valve with a wear-resistant structure, and the wear-resistant pipe valve is positioned on one side of the arc axis close to the circle center of the arc axis.

2. The joint device for sludge transporting pipe according to claim 1, wherein: the wear-resistant structure comprises a wear-resistant lining layer arranged on the inner wall of the wear-resistant pipe valve.

3. The joint device for sludge transporting pipe according to claim 2, wherein: the wear-resistant lining layer and the wear-resistant pipe flaps are integrally formed, and the thickness of the integrally formed structure is larger than the thickness of the rest pipe walls of the joint branch pipes.

4. The joint device for sludge transporting pipe according to claim 1, wherein: the wear-resisting structure is including being fixed in the protection tube groove on the wear-resisting tube lamella outer wall, the protection tube groove with wear-resisting tube lamella encloses to establish and forms a confined benefit and prevents the chamber.

5. The joint device for a sludge transporting pipe according to any one of claims 1 to 4, wherein: the arc length of the cross section of the wear-resistant pipe flap is 1/3-2/3 of the perimeter of the cross section of the bent pipe section.

6. The joint device for sludge transporting pipe according to claim 1, wherein: the wear-resistant pipe flap is connected with the joint main pipe in a tangent mode.

7. The joint device for sludge transporting pipe according to claim 1, wherein: and connecting flanges are arranged at the two ends of the joint main pipe and the outlet ends of the joint branch pipes.

8. The joint device for sludge transporting pipe according to claim 1, wherein: the joint main pipe and the joint branch pipe are both carbon steel pipe bodies or stainless steel pipe bodies.

9. The utility model provides a sludge conveying pipeline, includes sludge input pipeline, first sludge output pipeline and second sludge output pipeline, its characterized in that: the joint device for sludge conveying pipelines as claimed in any one of claims 1 to 8, wherein the sludge input pipeline is connected with the inlet end of the joint main pipe, the first sludge output pipeline is connected with the outlet end of the joint main pipe, and the second sludge output pipeline is connected with the joint branch pipe.