CN112325032A - Bending part shunting mutual elimination type self-protection petroleum pipeline - Google Patents
Bending part shunting mutual elimination type self-protection petroleum pipeline Download PDFInfo
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- CN112325032A CN112325032A CN202011238722.2A CN202011238722A CN112325032A CN 112325032 A CN112325032 A CN 112325032A CN 202011238722 A CN202011238722 A CN 202011238722A CN 112325032 A CN112325032 A CN 112325032A
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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
- F16L43/00—Bends; Siphons
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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Abstract
The invention discloses a bend shunt mutual elimination type self-protection petroleum pipeline, belonging to the field of petroleum pipelines, the invention divides petroleum entering a bent pipe into two fluids with different flows inside and outside through a shunt deformation sleeve, the outer layer small flow petroleum acts on an inner bent pipe and an outer bent pipe, the inner layer large flow petroleum acts on the shunt deformation sleeve, thus on one hand, the impact force of the petroleum on the outer bent pipe and the inner bent pipe can be greatly weakened, the impact of the petroleum on the bent pipe is preliminarily weakened, simultaneously, under the impact flow of the petroleum, a rotating force ball rotates on the inner bent pipe, the outer layer petroleum realizes mutual convection collision, the impact of the petroleum on the bent pipe is secondarily weakened, on the other hand, the inner layer petroleum impacts the shunt deformation sleeve, an elastic bag expands and deforms outwards, the outer layer petroleum is accumulated and pressed, and the outer layer petroleum is ejected inwards through an overflow hole, convection is carried out between the oil and the inner layer, the impact force of the oil on the inner layer is weakened, and the third protection on the bent pipe is realized.
Description
Technical Field
The invention relates to the field of petroleum pipelines, in particular to a self-protection petroleum pipeline with mutually eliminated shunt at a bent part.
Background
The current society is highly developed, and energy is an indispensable resource. Petroleum is a naturally stored energy source, and its exploitation requires drilling to extract oil, smelting the oil, and then using it by transportation of each site. The transportation of petroleum is carried out by an oil pipeline system, mainly comprises an oil pipeline, an oil transportation station and other auxiliary related equipment, is one of main equipment in the petroleum storage and transportation industry, is also the most main transportation equipment of crude oil and petroleum products, and compared with the railway and road oil transportation which belongs to a land transportation mode, the pipeline oil transportation has the characteristics of large transportation volume, good tightness, low cost, high safety factor and the like. The pipe material of the petroleum pipeline is generally steel pipe, and is connected into a long-distance pipeline by welding, flange and other connecting devices, and is opened and closed and flow regulation is carried out by using a valve.
Due to the terrain or transportation requirements, the bent pipe structure is frequently used in the petroleum transportation process, but in the place where the pipeline is bent, because the petroleum has a high flow speed in the transportation process, the pipeline is subjected to a high impact force, the pipeline is greatly damaged, and the situation that the bent part of the petroleum pipeline is cracked and damaged and the petroleum is seriously leaked is easily caused after the petroleum is taken off for a long time.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a bend part shunting mutual elimination type self-protection petroleum pipeline, which divides petroleum entering a bent pipe into two fluids with different flows inside and outside through a shunting deformation sleeve, wherein an outer layer small flow petroleum acts on an inner bent pipe and an outer bent pipe, and an inner layer large flow petroleum acts on the shunting deformation sleeve, so that on one hand, the impact force of the petroleum on the outer bent pipe and the inner bent pipe can be greatly weakened, the impact of the petroleum on the bent pipe is preliminarily weakened, meanwhile, under the impact flow of the petroleum, a rotating force ball is driven to rotate on the inner bent pipe, the outer layer petroleum realizes mutual convection collision, the impact of the petroleum on the inner bent pipe is secondarily weakened, on the other hand, the shunting deformation sleeve is impacted through the inner layer petroleum, an elastic bag expands outwards to cause accumulation pressure on the outer layer petroleum, make outer oil pass through the overflow hole and inwards spout, carry out the convection current with inlayer oil, weaken inlayer oil impact force, realize the speed reduction to inlayer oil, make the oil can comparatively slowly through in the reposition of redundant personnel warp the cover, realize the third of external bending pipe and interior bending pipe is protected.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A bending part shunting mutual elimination type self-protection petroleum pipeline comprises a plurality of pipeline sections which are sequentially connected, wherein each pipeline section comprises an oil inlet pipe, an oil outlet pipe and a bent pipe, each bent pipe is positioned between the oil inlet pipe and the oil outlet pipe, each bent pipe comprises an outer bent pipe which is fixedly connected between the oil inlet pipe and the oil outlet pipe, the inner wall of each outer bent pipe is fixedly connected with an inner bent pipe and a pair of flow guide discs, each inner bent pipe is fixedly connected between the corresponding flow guide discs, a shunting deformation sleeve is arranged on the inner side of each inner bent pipe and fixedly connected between the corresponding flow guide discs, each flow guide disc is provided with an inner flow channel and a plurality of outer flow channels, the outer flow channels are uniformly distributed on the outer side of the inner flow channel, the inner flow channels are communicated with the inner side of the shunting deformation sleeve, the outer flow channels are positioned between the inner bent pipes and the shunting deformation sleeve, each shunting deformation sleeve comprises an elastic bag and a plurality of shaping arc rods, the shaping arc rods are uniformly and fixedly connected inside the elastic bag, the elastic bag is provided with a plurality of overflow holes which are uniformly distributed, the inner wall of the inner bending pipe is provided with a plurality of ball grooves which are uniformly distributed, and the ball grooves are connected with the rotating force balls in a rolling manner, the oil entering the bent pipe is divided into two inner and outer fluids with unequal flow rates through the shunting deformation sleeve, the outer small-flow oil acts on the inner bending pipe and the outer bending pipe, and the inner large-flow oil acts on the shunting deformation sleeve, so that on one hand, the impact force of the oil on the outer bending pipe and the inner bending pipe can be greatly weakened, the impact of the oil on the bent pipe is preliminarily weakened, meanwhile, under the impact flow of the oil, the rotating force balls are driven to rotate on the inner bending pipe, the outer oil is enabled to realize mutual convection collision, and the impact of the oil on the inner bending pipe is secondarily weakened, on the other hand, the shunt deformation sleeve is impacted by the inner layer petroleum, so that the elastic bag expands and deforms outwards to accumulate the outer layer petroleum, the outer layer petroleum is sprayed inwards through the overflow holes and convects with the inner layer petroleum, the impact force of the inner layer petroleum is weakened, the inner layer petroleum is decelerated, the petroleum can slowly pass through the shunt deformation sleeve, and the third protection of the outer bending pipe and the inner bending pipe is realized.
Furthermore, the rotating ball comprises a ball body, and a plurality of oil pushing balls which are uniformly distributed are fixedly connected to the outer end of the ball body.
Furthermore, an inner cavity is arranged inside the ball body, a plurality of oil holes communicated with the outside are arranged on the inner wall of the inner cavity, the outer end of the oil pushing ball is provided with a plurality of oil collecting grooves which are uniformly distributed, when part of oil enters between the inner bending pipe and the shunting deformation sleeve, the oil (i.e. the outer layer of oil) can impact the surface of the inner bending pipe, when the oil impacts the surface of the rotating force ball, on one hand, the rotating force ball rotates in the ball groove, on the other hand, part of petroleum can enter the inner cavity through the oil hole exposed outside, then the oil flows out from the oil hole at the inner side of the ball groove and is gathered in the ball groove, along with the rotation of the rotating force ball, the oil pushing ball pushes the oil in the ball groove to make the oil flow out rapidly and impact the oil at the outer layer, the flow velocity of the oil at the outer layer is effectively reduced, and the direction of the oil is changed, so that the impact of the outer layer of oil on the inner bent pipe and the outer bent pipe is further reduced.
Furthermore, the diameter of the outer ring of the rotating ball is larger than the caliber of the notch of the ball groove, the diameter of the outer ring of the rotating ball is the same as the diameter of the inner ring of the ball groove, so that the rotating ball is not easy to break away from the ball groove, and meanwhile, the oil pushing ball is contacted with the inner wall of the ball groove in the rotating process of the rotating ball, so that the oil in the ball groove is effectively pushed out to cause impact with the outer layer oil.
Further, the inner circle diameter of interior runner reduces along the direction that is close to reposition of redundant personnel and warp the cover gradually, the inner circle diameter of outer runner is along the direction that is close to reposition of redundant personnel and warp the cover crescent for the interior oil of outer bend can mostly get into reposition of redundant personnel through the interior runner and warp and form the inlayer oil in the cover, the minority passes through outer runner and gets into interior bend pipe and reposition of redundant personnel and warp and form outer oil between the cover, and, because of the diameter change of outer runner, the velocity of flow of the oil that gets into outer runner can reduce gradually, through the flow and the velocity of flow that reduce outer oil simultaneously, can reduce the impact of oil to interior bend pipe and outer bend pipe greatly, form the effective protection to interior bend pipe and outer bend pipe.
Furthermore, the inner side of the overflow hole is provided with an anti-cracking ring, the side end of the anti-cracking ring is provided with an annular groove, the inner wall of the overflow hole is fixedly connected inside the annular groove, the anti-cracking ring has a protection effect on the inner wall and the edge of the overflow hole, and the overflow hole is effectively protected from being changed or cracked and the like in the process of expansion and deformation of the elastic bag.
Furthermore, the diameter of the inner ring of the inner bending pipe is larger than that of the inner ring of the oil inlet pipe, so that the oil flow entering the inner flow passage and the outer flow passage can be approximately the same as the oil flow in the oil inlet pipe, and the oil blockage phenomenon in the outer bending pipe is not easy to cause.
Furthermore, the central lines of the outer bending pipe, the inner bending pipe and the shunting deformation sleeve are superposed with each other, and oil can smoothly enter the oil outlet pipe along the flow of the inner side and the outer side of the shunting deformation sleeve.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme divides the oil entering the elbow into two fluids with different flows inside and outside through the shunting deformation sleeve, the outer small flow oil acts on the inner bending pipe and the outer bending pipe, the inner large flow oil acts on the shunting deformation sleeve, so that on one hand, the impact force of the oil on the outer bending pipe and the inner bending pipe can be greatly weakened, the impact of the oil on the elbow is preliminarily weakened, meanwhile, under the impact flow of the oil, the rotating force ball is driven to rotate on the inner bending pipe, the outer layer oil is enabled to realize mutual convection collision, the impact of the oil on the inner bending pipe is secondarily weakened, on the other hand, the shunting deformation sleeve is impacted through the inner layer oil, the elastic bag is enabled to expand and deform outwards, the outer layer oil is accumulated and pressed, the outer layer oil is enabled to be sprayed inwards through the overflow holes and convects with the inner layer oil, and the inner layer oil impact force is weakened, realize the speed reduction to the inlayer oil, make the oil can comparatively slowly pass through in the reposition of redundant personnel warp the cover, realize the third protection of external bending pipe and interior bending pipe.
(2) The rotating force ball comprises a ball body, the outer end of the ball body is fixedly connected with a plurality of oil pushing balls which are uniformly distributed, an inner cavity is formed in the ball body, a plurality of oil holes communicated with the outside are formed in the inner wall of the inner cavity, a plurality of oil gathering grooves which are uniformly distributed are formed in the outer end of the oil pushing balls, when part of oil enters between the inner bending pipe and the shunting deformation sleeve, the oil (namely, outer layer oil) can impact the surface of the inner bending pipe, when the oil impacts the surface of the rotating force ball, on one hand, the rotating force ball rotates in the ball groove, on the other hand, part of oil enters the inner cavity through the exposed oil holes, then flows out and gathers in the ball groove through the oil holes positioned on the inner side of the ball groove, along with the rotation of the rotating force ball, the oil pushing balls push the oil in the ball groove to quickly flow out to impact the outer layer oil, the flow rate of the outer layer oil is, thereby further reducing the impact of the outer layer oil on the inner bending pipe and the outer bending pipe.
(3) The outer ring diameter of the rotary ball is larger than the opening diameter of the ball groove, the outer ring diameter of the rotary ball is the same as the inner ring diameter of the ball groove, so that the rotary ball is not easy to break away from the ball groove, and meanwhile, the oil pushing ball is contacted with the inner wall of the ball groove in the rotating process, so that the oil in the ball groove is effectively pushed out, and the impact is caused by the oil on the outer layer.
(4) The inner circle diameter of interior runner reduces along the direction that is close to reposition of redundant personnel and warp the cover gradually, the inner circle diameter of outer runner is along the direction that is close to reposition of redundant personnel and warp the cover crescent, make the intraductal oil of outer bend most form the inlayer oil in getting into reposition of redundant personnel warp the cover through the interior runner, the minority passes through the outer runner and gets into the interior bending tube of outer runner and forms outer oil between the cover with reposition of redundant personnel warp, and, because of the diameter change of outer runner, the velocity of flow of the oil that gets into the outer runner can reduce gradually, through reducing the flow and the velocity of flow of outer oil simultaneously, can reduce the impact of oil to the internal bending tube and the external bending tube greatly, form the effective protection to the.
(5) The inner side of the overflow hole is provided with an anti-cracking ring, the side end of the anti-cracking ring is provided with an annular groove, the inner wall of the overflow hole is fixedly connected inside the annular groove, the anti-cracking ring has a protective effect on the inner wall and the edge of the overflow hole, and the overflow hole is effectively protected from being changed or cracked easily in the process of expansion and deformation of the elastic bag.
(6) The diameter of the inner ring of the inner bending pipe is larger than that of the inner ring of the oil inlet pipe, so that the oil flow entering the inner flow passage and the outer flow passage can be approximately the same as that in the oil inlet pipe, and the phenomenon of oil blockage in the outer bending pipe is not easy to cause.
(7) The central lines of the outer bending pipe, the inner bending pipe and the shunting deformation sleeve are mutually overlapped, and oil can smoothly enter the oil outlet pipe along the inner side and the outer side of the shunting deformation sleeve.
Drawings
FIG. 1 is a schematic partial top view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic front view of the elbow of the present invention in an initial state;
FIG. 4 is a schematic front view of the elbow pipe of the present invention during oil transportation;
FIG. 5 is a perspective view of the ball of the present invention;
FIG. 6 is a schematic view of a partial top surface of the ball of the present invention during rotation;
FIG. 7 is a schematic view of a partial front structure of the anti-crack ring of the present invention;
fig. 8 is a perspective view of the diaphragm of the present invention.
The reference numbers in the figures illustrate:
1 oil inlet pipe, 2 oil outlet pipes, 3 outer bending pipes, 4 inner bending pipes, 401 ball grooves, 5 flow guide discs, 501 inner flow channels, 502 outer flow channels, 6 flow dividing deformation sleeves, 61 elastic bag, 6101 overflow holes, 62 shaping arc rods, 7 rotating force balls, 71 balls, 7101 oil holes, 7102 inner cavities, 72 oil pushing balls, 7201 oil collecting grooves and 8 anti-cracking rings.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, a bending-portion-distribution-mutually-eliminated self-protection petroleum pipeline comprises a plurality of pipeline sections which are sequentially connected, each pipeline section comprises an oil inlet pipe 1, an oil outlet pipe 2 and a bent pipe, each bent pipe is positioned between the oil inlet pipe 1 and the oil outlet pipe 2, each bent pipe comprises an outer bent pipe 3 fixedly connected between the oil inlet pipe 1 and the oil outlet pipe 2, the inner wall of each outer bent pipe 3 is fixedly connected with an inner bent pipe 4 and a pair of flow guide discs 5, each inner bent pipe 4 is fixedly connected between the corresponding flow guide discs 5, the inner side of each inner bent pipe 4 is provided with a distribution deformation sleeve 6, each distribution deformation sleeve 6 is fixedly connected between the corresponding flow guide discs 5, each flow guide disc 5 is provided with an inner flow channel 501 and a plurality of outer flow channels 502, the plurality of outer flow channels 502 are uniformly distributed on the outer side of the inner flow channel 501, the inner flow channel 501 is communicated with the inner side of the distribution deformation sleeve 6, the, referring to fig. 2 and 3, the shunting deformation sleeve 6 includes an elastic bag 61 and a plurality of shaping arc rods 62, the shaping arc rods 62 are uniformly and fixedly connected inside the elastic bag 61, the elastic bag 61 is provided with a plurality of overflow holes 6101 uniformly distributed, the inner wall of the inner bending tube 4 is provided with a plurality of ball grooves 401 uniformly distributed, and the ball grooves 401 are connected with the rotating force balls 7 in a rolling manner.
After the oil enters the outer bending pipe 3, most of the oil enters the inner side of the shunting deformation sleeve 6 through the inner flow passage 501 to form inner-layer oil fluid with larger flow rate, powerful impact is caused to the shunting deformation sleeve 6, a small part of the oil enters between the inner bending pipe 4 and the shunting deformation sleeve 6 through the outer flow passage 502 to form outer-layer oil fluid with smaller flow rate, impact is caused to the outer bending pipe 3 and the inner bending pipe 4, the impact of the oil on the bent pipe is primarily weakened through the inner and outer unequal shunting of the oil, and the rotating ball 7 is driven to irregularly rotate in the ball groove 401 through the impact of the oil, so that the outer-layer oil is in mutual convection collision (specifically described in the next section), the impact of the oil on the inner bending pipe 4 is secondarily weakened, please refer to fig. 3 and 4, after the shunting deformation sleeve 6 receives the impact of the inner-layer oil, the elastic bag 61 is outwardly bent and expanded under the impact force, the accumulation is caused to the outer layer oil, the outer layer oil is enabled to be sprayed inwards through the overflow holes 6101 and convected with the inner layer oil, the impact force of the inner layer oil is weakened, the speed reduction to the inner layer oil is realized, the oil can slowly pass through the shunting deformation sleeve 6, and the third protection of the outer bending pipe 3 and the inner bending pipe 4 is realized.
Referring to fig. 5 and 6, the rotating ball 7 includes a ball body 71, a plurality of oil pushing balls 72 are fixedly connected to the outer end of the ball body 71, the ball body 71 is internally provided with an inner cavity 7102, the inner wall of the inner cavity 7102 is provided with a plurality of oil holes 7101 communicated with the outside, when a part of oil enters between the inner bending pipe 4 and the flow dividing deformation sleeve 6, the oil (i.e. the outer layer oil) impacts the surface of the inner bending pipe 4, when the oil impacts the surface of the rotating ball 7, on one hand, the rotating ball 7 rotates in the ball groove 401, on the other hand, a part of oil enters the inner cavity 7102 through the oil holes 7101 exposed outside, then flows out and gathers in the ball groove 401 through the oil holes 7101 located inside the ball groove 401, with the rotation of the rotating ball 7, the oil pushing balls 72 push the oil in the ball groove 401 to flow out rapidly, impact the outer layer oil, and effectively reduce the flow rate of the outer layer oil, and make it take place to change to, thereby further reduce the impact of outer oil to inner bend pipe 4 and outer bend pipe 3, push away the outer end of oil ball 72 and seted up a plurality of evenly distributed's oil gathering groove 7201, push away oil ball 72 surface through oil gathering groove 7201 and form sunkenly, make oil can gather in oil gathering groove 7201, be difficult for along pushing away oil ball 72 surface lapse, thereby effectively outwards release the oil, and be difficult for the dispersion, cause the powerful impact to outer oil, realize the speed reduction and the change to outer oil.
The outer ring diameter of the rotating ball 7 is larger than the opening diameter of the ball groove 401, the outer ring diameter of the rotating ball 7 is the same as the inner ring diameter of the ball groove 401, so that the rotating ball 7 is not easy to break away from the ball groove 401, and meanwhile, the rotating ball 7 pushes the oil ball 72 to contact with the inner wall of the ball groove 401 in the rotating process, so that the oil in the ball groove 401 is effectively pushed out, and the oil impacts with the outer layer.
Referring to fig. 8, the inner side of the overflow hole 6101 is provided with an anti-cracking ring 8, a side end of the anti-cracking ring 8 is provided with an annular groove, an inner wall of the overflow hole 6101 is fixedly connected inside the annular groove, the anti-cracking ring 8 has a protection effect on the inner wall and the edge of the overflow hole 6101, and the overflow hole 6101 is effectively protected from phenomena such as change or cracking during the expansion deformation of the elastic bag 61.
Referring to fig. 1, the diameter of the inner ring of the inner flow channel 501 gradually decreases along the direction close to the flow distribution deformation sleeve 6, and the diameter of the inner ring of the outer flow channel 502 gradually increases along the direction close to the flow distribution deformation sleeve 6, so that most of the oil in the outer bent pipe 3 can enter the flow distribution deformation sleeve 6 through the inner flow channel 501 to form inner layer oil, and a small part of the oil can enter the space between the inner bent pipe 4 and the flow distribution deformation sleeve 6 through the outer flow channel 502 to form outer layer oil, and further, because the diameter of the outer flow channel 502 changes, the flow rate of the oil entering the outer flow channel 502 can be gradually decreased, and by simultaneously reducing the flow rate and the flow rate of the outer layer oil, the impact of the oil on the inner bent pipe 4 and the outer bent pipe 3 can be greatly reduced, and effective.
The diameter of the inner ring of the inner bending pipe 4 is larger than that of the inner ring of the oil inlet pipe 1, so that the oil flow entering the inner flow passage 501 and the outer flow passage 502 can be approximately the same as the oil flow in the oil inlet pipe 1, the oil blockage phenomenon in the outer bending pipe 3 is not easy to cause, the central lines of the outer bending pipe 3, the inner bending pipe 4 and the shunting deformation sleeve 6 are superposed with each other, and the oil can smoothly enter the oil outlet pipe 2 along the flow of the inner side and the outer side of the shunting deformation sleeve 6.
The invention divides the oil entering the elbow 3 into two fluid with different inner and outer flow rates through the shunting deformation sleeve 6, the outer layer small flow oil acts on the inner bending pipe 4 and the outer bending pipe 3, the inner layer large flow oil acts on the shunting deformation sleeve 6, thus on one hand, the impact force of the oil on the outer bending pipe 3 and the inner bending pipe 4 can be greatly weakened, the impact of the oil on the elbow is preliminarily weakened, simultaneously, under the impact flow of the oil, the rotating force ball 7 is driven to rotate on the inner bending pipe 4, the outer layer oil realizes mutual convection collision, the impact of the oil on the inner bending pipe 4 is secondly weakened, on the other hand, the shunting deformation sleeve 6 is impacted by the inner layer oil, the elastic bag 61 expands and deforms outwards, the outer layer oil is accumulated, the outer layer oil is sprayed inwards through the overflow hole 6101 and convects with the inner layer oil, the impact force of the inner layer petroleum is weakened, the inner layer petroleum is decelerated, the petroleum can slowly pass through the flow dividing deformation sleeve 6, and the third protection on the outer bent pipe 3 and the inner bent pipe 4 is realized.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a type of distinguishing each other disappears from protection stone oil pipeline of department of buckling, includes a plurality of pipeline sections that connect gradually, the pipeline section is including advancing oil pipe (1), going out oil pipe (2) and return bend, the pipe of buckling is located into oil pipe (1) and goes out between oil pipe (2), its characterized in that: the bending pipe comprises an outer bending pipe (3) fixedly connected between an oil inlet pipe (1) and an oil outlet pipe (2), the inner wall of the outer bending pipe (3) is fixedly connected with an inner bending pipe (4) and a pair of flow guide discs (5), the inner bending pipe (4) is fixedly connected between the pair of flow guide discs (5), the inner side of the inner bending pipe (4) is provided with a flow distribution deformation sleeve (6), the flow distribution deformation sleeve (6) is fixedly connected between the pair of flow guide discs (5), the flow guide discs (5) are provided with an inner flow channel (501) and a plurality of outer flow channels (502), the outer flow channels (502) are uniformly distributed on the outer side of the inner flow channel (501), the inner flow channel (501) is communicated with the inner side of the flow distribution deformation sleeve (6), the outer flow channel (502) is positioned between the inner bending pipe (4) and the flow distribution deformation sleeve (6), and the flow distribution deformation sleeve (6) comprises an elastic bag (61) and a plurality of shaping arc rods (62), a plurality of even fixed connection in the inside of elasticity bag (61) of design arc pole (62), a plurality of evenly distributed's overflow hole (6101) have been seted up on elasticity bag (61), a plurality of evenly distributed's ball groove (401) have been seted up to the inner wall of interior bending tube (4), the inside roll connection of ball groove (401) has commentaries on classics power ball (7).
2. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 1, wherein: the rotating force ball (7) comprises a ball body (71), and the outer end of the ball body (71) is fixedly connected with a plurality of oil pushing balls (72) which are uniformly distributed.
3. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 2, wherein: an inner cavity (7102) is formed in the ball body (71), a plurality of oil holes (7101) communicated with the outside are formed in the inner wall of the inner cavity (7102), and a plurality of oil gathering grooves (7201) which are uniformly distributed are formed in the outer end of the oil pushing ball (72).
4. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 1, wherein: the diameter of the outer ring of the rotating force ball (7) is larger than the caliber of the notch of the ball groove (401), and the diameter of the outer ring of the rotating force ball (7) is the same as that of the inner ring of the ball groove (401).
5. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 1, wherein: the diameter of the inner ring of the inner runner (501) is gradually reduced along the direction close to the shunting deformation sleeve (6), and the diameter of the inner ring of the outer runner (502) is gradually increased along the direction close to the shunting deformation sleeve (6).
6. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 1, wherein: the inboard of overflow hole (6101) is equipped with anti-crack ring (8), the annular groove has been seted up to the side of anti-crack ring (8), the inner wall fixed connection of overflow hole (6101) is inside the annular groove.
7. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 1, wherein: the diameter of the inner ring of the inner bending pipe (4) is larger than that of the inner ring of the oil inlet pipe (1).
8. The bend-diverting mutually-dissipative self-protecting petroleum pipeline as claimed in claim 1, wherein: the central lines of the outer bent pipe (3), the inner bent pipe (4) and the shunting deformation sleeve (6) are mutually overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238722.2A CN112325032A (en) | 2020-11-09 | 2020-11-09 | Bending part shunting mutual elimination type self-protection petroleum pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011238722.2A CN112325032A (en) | 2020-11-09 | 2020-11-09 | Bending part shunting mutual elimination type self-protection petroleum pipeline |
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| CN112325032A true CN112325032A (en) | 2021-02-05 |
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| CN202011238722.2A Withdrawn CN112325032A (en) | 2020-11-09 | 2020-11-09 | Bending part shunting mutual elimination type self-protection petroleum pipeline |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944103A (en) * | 2021-02-11 | 2021-06-11 | 刘宏震 | Disordered vibration anti-condensation oil pipeline |
| CN112963660A (en) * | 2021-02-12 | 2021-06-15 | 刘宏震 | Petroleum conveying pipeline |
| CN113404962A (en) * | 2021-07-12 | 2021-09-17 | 华北水利水电大学 | Elastic air cushion antifriction elbow |
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| CN208997541U (en) * | 2018-10-24 | 2019-06-18 | 天津凯达通源管道工程有限公司 | A kind of bend pipe with multiple-protection |
| CN210266351U (en) * | 2019-07-10 | 2020-04-07 | 江苏国泰机械制造有限公司 | Novel mining wear-resisting elbow |
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| US6179342B1 (en) * | 1999-06-11 | 2001-01-30 | Hsin-Der Shen | Bend conduit having low pressure loss coefficient |
| CN206329361U (en) * | 2017-01-03 | 2017-07-14 | 汉捷机械部件（常州）有限公司 | A kind of turbo charge system with changeable flow sectional type volute |
| CN107387931A (en) * | 2017-08-31 | 2017-11-24 | 四川弘毅智慧知识产权运营有限公司 | A kind of petroleum transportation pipeline pipe bent position shock absorbing device special |
| CN208997541U (en) * | 2018-10-24 | 2019-06-18 | 天津凯达通源管道工程有限公司 | A kind of bend pipe with multiple-protection |
| CN210266351U (en) * | 2019-07-10 | 2020-04-07 | 江苏国泰机械制造有限公司 | Novel mining wear-resisting elbow |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944103A (en) * | 2021-02-11 | 2021-06-11 | 刘宏震 | Disordered vibration anti-condensation oil pipeline |
| CN112963660A (en) * | 2021-02-12 | 2021-06-15 | 刘宏震 | Petroleum conveying pipeline |
| CN113404962A (en) * | 2021-07-12 | 2021-09-17 | 华北水利水电大学 | Elastic air cushion antifriction elbow |
| CN113404962B (en) * | 2021-07-12 | 2023-02-24 | 华北水利水电大学 | Elastic air cushion antifriction elbow |
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