CN113236886A - Fluid material conveying pipeline - Google Patents

Fluid material conveying pipeline Download PDF

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Publication number
CN113236886A
CN113236886A CN202110343990.9A CN202110343990A CN113236886A CN 113236886 A CN113236886 A CN 113236886A CN 202110343990 A CN202110343990 A CN 202110343990A CN 113236886 A CN113236886 A CN 113236886A
Authority
CN
China
Prior art keywords
pipe
small
reducing
connecting plate
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110343990.9A
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Chinese (zh)
Inventor
刘学文
唐涛
项翀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rishangsheng New Building Material Design And Research Institute Co ltd
Original Assignee
Rishangsheng New Building Material Design And Research Institute Co ltd
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Publication date
Application filed by Rishangsheng New Building Material Design And Research Institute Co ltd filed Critical Rishangsheng New Building Material Design And Research Institute Co ltd
Priority to CN202110343990.9A priority Critical patent/CN113236886A/en
Publication of CN113236886A publication Critical patent/CN113236886A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/14—Joints for pipes of different diameters or cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

The invention belongs to the technical field of pipelines, and particularly relates to a fluid material conveying pipeline which comprises a reducing pipe wall, a large pipe connecting plate and a small pipe connecting plate, wherein the large-diameter end surface of the reducing pipe wall is connected with the large pipe connecting plate, the small-diameter end surface of the reducing pipe wall is connected with the small pipe connecting plate, a straight pipeline is arranged on the inner side of the small pipe connecting plate, a plurality of reinforcing ribs are arranged on the outer wall of the straight pipeline, and the inner side of the reducing pipe wall is connected with the straight pipeline through the reinforcing ribs.

Description

Fluid material conveying pipeline
Technical Field
The invention belongs to the technical field of pipelines, and particularly relates to a fluid material conveying pipeline.
Background
When fluid materials (powder, liquid, slurry and the like) are conveyed through the pipeline, the reducing pipeline is needed to be used to meet the technological requirements, and the fluid can change the inner diameter of the conveying pipeline through the reducing pipeline, so that the effect of changing the flow speed is achieved. However, when fluid materials are conveyed, phenomena such as turbulent flow and vortex can be generated in the reducing pipeline, so that the abrasion of the reducing pipeline is accelerated, the service life of the reducing pipeline is shortened, the material leakage phenomenon is caused, and process and equipment accidents are seriously caused.
Chinese patent with application number CN201922192391.2 discloses a reducing pipeline for oil transportation, including reducing pipeline main part, reducing pipeline main part comprises big pipe diameter section and little pipe diameter section, the one end of little pipe diameter section is connected with hickey, hickey and the side threaded connection of big pipe diameter section, install shock-resistant ring in the big pipe diameter section, the catching groove has been seted up to shock-resistant ring's side, the side-mounting of filter has fixed the knot, fixed knot is buckled with catching groove looks lock joint. According to the invention, one end of the small-diameter section is connected with the threaded interface, the threaded interface is sleeved with the wear-resistant sealing ring, the threaded interface is in threaded connection with the side face of the large-diameter section, and the wear-resistant sealing ring is tightly pressed on the side face of the large-diameter section, so that the variable-diameter pipeline is very convenient to assemble and disassemble, meanwhile, the small-diameter section and the large-diameter section are tightly connected and sealed through the wear-resistant sealing ring, the phenomenon of liquid leakage cannot occur, the use is safe and reliable, and the cleaning of the interior of the variable-diameter pipeline is convenient.
However, the reducing pipe in the above prior art only considers the sealing condition on the large and small end faces, and does not consider the abrasion condition inside the reducing pipe, especially when fluid flows into the large pipe from the small pipe, the fluid can strongly impact the reducing pipe at a great flow velocity, and the fluid can generate phenomena such as turbulence, vortex and the like, so that the abrasion of the reducing pipe is accelerated, the service life of the reducing pipe is shortened, once the reducing pipe is damaged, the material leakage phenomenon can occur, and a construction accident can be caused in a serious case.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a fluid material conveying pipeline which is used for solving the problems that when the existing fluid flows into a large pipe from a small pipe, the great flow velocity can strongly impact the reducing pipeline, and the fluid can generate phenomena of turbulence, vortex and the like, so that the abrasion of the reducing pipeline is accelerated, the service life of the reducing pipeline is shortened, once the reducing pipeline is damaged, the material leakage phenomenon can occur, and the construction accident can be caused in serious cases.
In order to solve the technical problems, the invention adopts the following technical scheme:
a fluid material conveying pipeline comprises a reducing pipe wall, a large pipe connecting plate and a small pipe connecting plate, wherein the large-diameter end face of the reducing pipe wall is connected with the large pipe connecting plate, the small-diameter end face of the reducing pipe wall is connected with the small pipe connecting plate, a straight pipe is arranged on the inner side of the small pipe connecting plate, a plurality of reinforcing ribs are arranged on the outer wall of the straight pipe, and the inner side of the reducing pipe wall is connected with the straight pipe through the reinforcing ribs.
Furthermore, a plurality of large through holes are uniformly distributed on the large pipe connecting plate, and a plurality of small through holes are uniformly distributed on the small pipe connecting plate.
The large pipe connecting plate is provided with a plurality of large through holes, and the small pipe connecting plate is provided with a plurality of small through holes, so that bolts can penetrate through the through holes to connect the large pipe connecting plate with a large pipeline and connect the small pipe connecting plate with a small pipeline.
Further, the diameter of the large through hole is larger than that of the small through hole.
The diameter of the large through hole is larger than that of the small through hole because the large pipe connecting plate and the small pipe connecting plate can bear different pretightening force, torsional force and shearing force.
Furthermore, the wall thickness of the reducing pipe wall is equal to that of the straight pipe, and the inner diameter of the straight pipe is smaller than that of the bottom of the reducing pipe wall.
The wall thickness of the reducing pipe wall is equal to that of the straight pipe, the reducing pipe can be more conveniently produced and processed, and the inner diameter of the straight pipe is smaller than that of the bottom of the reducing pipe wall, so that the phenomena of turbulent flow, eddy flow and the like caused by overlarge pipe diameter change can be reduced.
Further, the thickness of the reinforcing rib is smaller than the wall thickness of the reducing pipe wall.
The thickness of the reinforcing rib is smaller than the wall thickness of the reducing pipe wall, the thickness of the reinforcing rib has certain requirements on production and processing, and the thickness of the reinforcing rib is smaller than half of the wall thickness of the reducing pipe wall.
Further, the number of the large through holes is equal to the number of the small through holes.
The quantity of big through-hole equals with the quantity of little through-hole can let the stress that reducing pipe both sides received equal, lets the reducing pipe can not appear because the uneven condition that leads to life to reduce of stress that receives.
Compared with the prior art, the invention has the following beneficial effects:
1. the straight pipeline is additionally arranged on the inner side of the reducing pipeline, so that the impact of fluid on the wall of the reducing pipeline is effectively reduced when the fluid flows into the large pipeline from the small pipeline;
2. the inner diameter of the straight pipeline is between the large inner diameter and the small inner diameter of the reducing pipe wall, so that the phenomena of turbulent flow, vortex and the like caused by overlarge pipe diameter change can be reduced;
3. compared with the original reducing pipeline, the straight pipeline added in the reducing pipeline can greatly prolong the service life of the reducing pipeline, reduce the maintenance times and time, reduce the equipment downtime, improve the equipment operation rate, and prolong the service life of the reducing pipeline after the straight pipeline by 2-3 times compared with the reducing pipeline without the straight pipeline.
Drawings
FIG. 1 is a schematic perspective view of a fluid material conveying pipeline according to an embodiment of the present invention;
FIG. 2 is a schematic front view of a fluid material conveying pipeline according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a fluid material conveying pipeline according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
reference numerals in the drawings of the specification include:
the pipe comprises a reducing pipe wall 1, a large pipe connecting plate 2, a small pipe connecting plate 3, a straight pipeline 4, reinforcing ribs 5, large through holes 6 and small through holes 7.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-4, the fluid material conveying pipeline of the present invention comprises a reducing pipe wall 1, a large pipe connecting plate 2, and a small pipe connecting plate 3, wherein a large diameter end surface of the reducing pipe wall 1 is connected with the large pipe connecting plate 2, a small diameter end surface of the reducing pipe wall 1 is connected with the small pipe connecting plate 3, a straight pipe 4 is arranged inside the small pipe connecting plate 3, a plurality of reinforcing ribs 5 are arranged on an outer wall of the straight pipe 4, and an inner side of the reducing pipe wall 1 is connected with the straight pipe 4 through the reinforcing ribs 5. Particularly, big pipe connection board 2, tubule connection board 3 are for letting reducing pipe wall 1 can connect the big pipeline and the tubule of both sides to ensure that there is not the space between the three, form seal structure, straight pipe 4 can protect the inboard of reducing pipe wall 1 can not receive fluidic direct impact, play the effect of a transition buffering, straight pipe 4's stability can be guaranteed to strengthening rib 5, can not drop in order to block up the pipeline after guaranteeing straight pipe wearing and tearing.
Example two:
as shown in fig. 1-4, the fluid material conveying pipeline of the present invention comprises a reducing pipe wall 1, a large pipe connecting plate 2, and a small pipe connecting plate 3, wherein a large diameter end surface of the reducing pipe wall 1 is connected with the large pipe connecting plate 2, a small diameter end surface of the reducing pipe wall 1 is connected with the small pipe connecting plate 3, a straight pipe 4 is arranged inside the small pipe connecting plate 3, a plurality of reinforcing ribs 5 are arranged on an outer wall of the straight pipe 4, and an inner side of the reducing pipe wall 1 is connected with the straight pipe 4 through the reinforcing ribs 5. Particularly, big pipe connection board 2, tubule connection board 3 are for letting reducing pipe wall 1 can connect the big pipeline and the tubule of both sides to ensure that there is not the space between the three, form seal structure, straight pipe 4 can protect the inboard of reducing pipe wall 1 can not receive fluidic direct impact, play the effect of a transition buffering, straight pipe 4's stability can be guaranteed to strengthening rib 5, can not drop in order to block up the pipeline after guaranteeing straight pipe wearing and tearing.
A plurality of large through holes 6 are uniformly distributed on the large pipe connecting plate 2, and a plurality of small through holes 7 are uniformly distributed on the small pipe connecting plate 3. Specifically, a plurality of large through holes 6 are formed in the large pipe connecting plate 2, and a plurality of small through holes 7 are formed in the small pipe connecting plate 3, so that bolts can penetrate through the through holes to connect the large pipe connecting plate 2 with a large pipeline, and the small pipe connecting plate 3 is connected with a small pipeline.
The diameter of the large through-hole 6 is larger than that of the small through-hole 7. Specifically, the diameter of the large through hole 6 is larger than that of the small through hole 7 because the large pipe connecting plate 2 and the small pipe connecting plate 3 can bear different pretightening force, torsional force and shearing force.
The wall thickness of the reducing pipe wall 1 is equal to that of the straight pipe 4, and the inner diameter of the straight pipe 4 is located at the inner diameter of the bottom of the reducing pipe wall 1. Particularly, the wall thickness of the reducing pipe wall 1 is equal to that of the straight pipe 4, the reducing pipe is more convenient to produce and process, and the inner diameter of the straight pipe 4 is smaller than that of the bottom of the reducing pipe wall 1, so that the phenomena of turbulence, vortex and the like caused by overlarge pipe diameter change can be reduced.
The thickness of the reinforcing rib 5 is smaller than that of the reducing pipe wall 1. Specifically, the thickness of the reinforcing rib 5 is smaller than the wall thickness of the reducing pipe wall 1, the thickness of the reinforcing rib 5 has certain requirements on production and processing, and the thickness of the reinforcing rib 5 is smaller than half of the wall thickness of the reducing pipe wall 1.
The number of large through holes 6 is equal to the number of small through holes 7. Particularly, the number of the large through holes 6 is equal to that of the small through holes 7, so that the stress on two sides of the reducing pipeline is equal, and the reducing pipeline cannot have the condition that the service life is reduced due to the fact that the stress is uneven.
Compared with the first embodiment, the second embodiment has the advantages that the inner diameter of the straight pipeline 4 is located at the inner diameter of the bottom of the reducing pipeline wall 1, so that turbulence, vortex and the like caused by overlarge pipe diameter change can be reduced, the diameter of the large through hole 6 is larger than that of the small through hole 7 because the pretightening force, the torsion force and the shearing force which can be borne by the large pipeline connecting plate 2 are larger than those of the small pipeline connecting plate 3, the stress borne by two sides of the reducing pipeline can be equal due to the fact that the number of the large through holes 6 is equal to that of the small through holes 7, and the service life of the reducing pipeline cannot be reduced due to the fact that the stressed stress is uneven.
The use method of the device comprises the following steps: the device is placed between a large pipeline and a small pipeline, the large through holes 6 on the large pipe connecting plate 2 correspond to the through holes on the large pipeline one by one, the small through holes 7 on the small pipe connecting plate 3 correspond to the through holes on the small pipeline one by one, then bolts penetrate through the through holes in sequence, and nuts are installed on the bolts at the other ends of the through holes, so that the installation of the device is completed. If the variable diameter pipe wall 1 is damaged, the nuts are sequentially taken down from the bolts, the bolts are taken out from the through holes, the variable diameter pipeline can be dismounted, and then a new variable diameter pipeline is mounted at the dismounted position, so that the variable diameter pipeline can be replaced.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (6)

1. A fluid material conveying pipeline, characterized in that: the pipe connecting structure comprises a reducing pipe wall (1), a large pipe connecting plate (2) and a small pipe connecting plate (3), wherein the large-diameter end face of the reducing pipe wall (1) is connected with the large pipe connecting plate (2), the small-diameter end face of the reducing pipe wall (1) is connected with the small pipe connecting plate (3), a straight pipe (4) is arranged on the inner side of the small pipe connecting plate (3), a plurality of reinforcing ribs (5) are arranged on the outer wall of the straight pipe (4), and the inner side of the reducing pipe wall (1) is connected with the straight pipe (4) through the reinforcing ribs (5).
2. A fluid material conveying pipe according to claim 1, wherein: a plurality of large through holes (6) are uniformly distributed on the large pipe connecting plate (2), and a plurality of small through holes (7) are uniformly distributed on the small pipe connecting plate (3).
3. A fluid material conveying pipe according to claim 2, wherein: the diameter of the large through hole (6) is larger than that of the small through hole (7).
4. A fluid material conveying pipe according to claim 3, wherein: the wall thickness of the reducing pipe wall (1) is equal to that of the straight pipe (4), and the inner diameter of the straight pipe (4) is smaller than that of the bottom of the reducing pipe wall (1).
5. A fluid material conveying pipe according to claim 4, wherein: the thickness of the reinforcing ribs (5) is smaller than the wall thickness of the reducing pipe wall (1).
6. A fluid material conveying pipe according to claim 5, wherein: the number of the large through holes (6) is equal to that of the small through holes (7).
CN202110343990.9A 2021-03-31 2021-03-31 Fluid material conveying pipeline Pending CN113236886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110343990.9A CN113236886A (en) 2021-03-31 2021-03-31 Fluid material conveying pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110343990.9A CN113236886A (en) 2021-03-31 2021-03-31 Fluid material conveying pipeline

Publications (1)

Publication Number Publication Date
CN113236886A true CN113236886A (en) 2021-08-10

Family

ID=77130781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110343990.9A Pending CN113236886A (en) 2021-03-31 2021-03-31 Fluid material conveying pipeline

Country Status (1)

Country Link
CN (1) CN113236886A (en)

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