CN113251216A - Oil transportation hose and oil transportation system comprising same - Google Patents
Oil transportation hose and oil transportation system comprising same Download PDFInfo
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- CN113251216A CN113251216A CN202110616424.0A CN202110616424A CN113251216A CN 113251216 A CN113251216 A CN 113251216A CN 202110616424 A CN202110616424 A CN 202110616424A CN 113251216 A CN113251216 A CN 113251216A
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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
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/08—Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
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Abstract
The invention relates to the technical field of oil pipelines, in particular to an oil conveying hose and an oil conveying system comprising the same, wherein the oil conveying hose comprises: a flange connector and an oil pipeline; the flange connector is provided with a flange pipe head which is sleeved in the pipe wall of the oil conveying pipe and is fixedly connected with the oil conveying pipe; the outer surface of the flange pipe head is provided with a flange, the flange is embedded into the pipe wall of the oil conveying pipe, and the flange pipe head is fixedly connected with the oil conveying pipe through a connecting piece. The invention fixedly connects the flange pipe head and the oil delivery pipe by a method of embedding the flange arranged on the outer surface of the flange pipe head into the pipe wall of the oil delivery pipe and by the bonding and steel wire binding technology, and solves the technical problems that in the prior art, a common oil delivery hose cannot meet the requirements of tensile strength, torsion resistance and the like under a high sea condition, is easy to pull out and fall off and cannot ensure the normal operation of an oil delivery process.
Description
Technical Field
The invention relates to the technical field of oil conveying pipes, in particular to an oil conveying hose and an oil conveying system comprising the same.
Background
Oil supply from sea to shore is an important way for beach equipment to supply oil and material, and is an oil supply technology developed vigorously in various countries. In high sea conditions, the supply and transportation of oil is basically accomplished by oil pipeline systems. In order to ensure that oil is finally transported to the beach facilities from the offshore oil tanker, different types of oil pipelines are used to connect the offshore oil tanker, the single point mooring facilities, the beach facilities and other parts.
The hose applied to offshore oil transportation can be subjected to the friction of seawater corrosion, oil corrosion and other substances, so that the hose is required to have high corrosion resistance and wear resistance; in addition, the residual buoyancy of the hose during connection and during the transport of the medium is ensured.
In the prior art, under a high sea condition, a common oil delivery hose cannot meet the requirements of tensile resistance, torsion resistance and the like, is easy to pull out, and cannot ensure the normal operation of an oil delivery process.
Disclosure of Invention
The invention provides an oil delivery hose and an oil delivery system comprising the same, and aims to solve the technical problems that in the prior art, a common oil delivery hose cannot meet the requirements of tensile strength, torsion resistance and the like under a high sea condition, the pull-out phenomenon is easy to occur, and the normal operation of an oil delivery process cannot be ensured.
According to a first aspect of the present invention, there is provided an oil hose comprising: a flange connector and an oil pipeline; the flange connector is provided with a flange pipe head which is sleeved in the pipe wall of the oil conveying pipe and is fixedly connected with the oil conveying pipe; the outer surface of the flange pipe head is provided with a flange, the flange is embedded into the pipe wall of the oil conveying pipe, and the flange pipe head is fixedly connected with the oil conveying pipe through a connecting piece.
In this scheme, flange joint spare includes ring flange and flange tube head, and the ring flange is used for being connected fixedly with external device, and defeated oil pipe cover is on the flange tube head, and the diameter of oil delivery hose can slightly be less than the diameter of flange tube head, and the oil delivery hose has certain elasticity, and the oil delivery hose is connected inseparabler with the flange tube head after the installation. The surface of the flange connecting piece can be coated with adhesive materials to be adhered with an oil conveying pipe, so that the oil conveying hose is connected with the flange pipe head more firmly. The flange arranged on the flange pipe head is embedded into the pipe wall of the oil conveying pipe, and the flange pipe head and the oil conveying pipe can be fixedly connected at the flange by using a connecting piece. The connecting method is used simultaneously, so that the tensile and torsional requirements of the oil conveying hose under high sea conditions can be met, the pulling-out phenomenon is not easy to occur, and the normal operation of the oil conveying process is ensured.
Further, the flange connection member includes: a first flange connection and a second flange connection; the first flange connecting piece and the second flange connecting piece are respectively arranged at two ends of the oil conveying pipe; the first flange connecting piece is a fixed flange, and the second flange connecting piece is a loose flange.
Under high sea conditions, due to the action of high wind and big waves, the oil delivery hose is subjected to a lot of external force on the sea surface, and the external force is irregular, the oil delivery hose can swing and twist irregularly under the action of the external force, the oil delivery hose is knotted frequently, and the oil delivery operation cannot be completed in serious conditions. In this scheme, fixed flange is adopted to oil hose one end, and the other end adopts loose cover formula flange, can effectively offset the moment of torsion that produces because oil hose twists reverse, can not knot because of oil hose's the twisting and knotting at the oil hose in-process, influences the normal clear of oil transportation process.
Furthermore, the flange is fixedly arranged on the outer wall of the flanged pipe head in a surrounding mode, and the formed ring surface is perpendicular to the axial direction of the flanged pipe head.
The flange is welded on the outer wall of the flange pipe head, when the flange is connected with the oil conveying pipe, the flange and the flange pipe head are vertically arranged, so that the pulling resistance of the oil conveying pipe can be increased, and in addition, the flange is vertically arranged on the flange pipe head, so that the strength of the flange pipe head embedded into the inner wall of the oil conveying pipe is higher; if the oil pipeline is fixed with the flanged pipe head by using the connecting piece, the flanged pipe head and the oil pipeline can be bound by the connecting piece (such as a steel wire) more firmly, and under the condition that the three connecting methods are used simultaneously, the oil conveying hose is not easy to pull out.
Further, the oil conveying pipe is sequentially provided with an inner rubber layer, a first cord layer, a steel wire winding armor layer, a second cord layer and an outer rubber layer from inside to outside; and a middle glue layer is arranged between every two adjacent layers.
The oil pipeline has the advantages that the inner rubber layer of the oil pipeline has high strength and small resistance, and has better corrosion resistance to oil substances; the first cord layer, the steel wire winding armor layer and the second cord layer provide tensile and anti-torsion characteristics for the oil hose; it should be noted that, multiple layers of cord layers may be provided to enhance the overall tensile strength of the oil hose, and the multiple layers of cord layers may be respectively provided between the layers to ensure that the oil hose has a sufficiently high tensile strength. The outer glue layer has stronger wear resistance and corrosion resistance; the middle glue layer has better fluidity and adhesiveness and is used as a connecting transition layer between layers. The oil hose with the structure has the advantages of tensile strength, torsion resistance, wear resistance, tolerance, good integration performance and the like.
Further, the first cord layer and the second cord layer are spirally wound on the middle rubber layer.
The beneficial effect who adopts above-mentioned further scheme is that, the cord layer has tensile strength height, be difficult to cracked characteristic, the glue film can be fine in the cooperation fuse together with other layers, the cord layer can divide into first cord layer and second cord layer, first cord layer and second cord layer combine with well glue film respectively, the in-process of combination, the cord layer adopts spiral winding's mode winding on well glue film, this kind of combination mode can make the cord layer be connected more firmly with well glue film, tensile, the antitorque ability is better.
Further, the inner rubber layer is a butadiene-acrylonitrile rubber layer; the first cord layer and the second cord layer are aramid fiber layers; the steel wire winding armor layer is a steel wire mesh layer; the outer glue layer is a chloroprene and styrene butadiene rubber mixed layer; the middle rubber layer is a natural rubber layer.
The inner rubber layer can be made of nitrile rubber materials to enhance the strength and corrosion resistance of the inner rubber layer; the first cord layer and the second cord layer can be made of aramid fiber materials to enhance the tensile strength of the oil hose; the steel wire wound armor layer can be made of steel wire mesh woven materials to enhance tensile strength and torsional strength; the outer rubber layer can be made of a chloroprene and styrene butadiene rubber mixed material to enhance wear resistance and corrosion resistance; the middle rubber layer can adopt natural rubber materials to enhance the fluidity and the adhesiveness. By adopting the materials as the main materials of all layers and the structural arrangement, the oil hose can meet the requirement of oil transportation under high sea conditions.
Furthermore, the oil delivery hose also comprises a sponge layer, and the sponge layer is coated on the outer surface of part of the outer rubber layer from the flange connecting piece to the oil delivery pipe; the sponge layer is also covered with another outer glue layer, and the other outer glue layer is also a chloroprene and styrene butadiene rubber mixed layer.
In this scheme, be provided with the sponge layer near the tip of oil delivery hose, the sponge layer cladding that sets up one section length from flange joint spare to the direction of defeated oil pipe is on partial defeated oil pipe, and the length and the thickness of the sponge layer that near the both ends of oil delivery hose set up all can be different. The sponge layer arranged near the two ends of the oil hose can provide residual buoyancy for the oil hose, so that the oil hose can float on the sea surface.
Further, the sponge layer comprises a first coating section, a middle coating section and a second coating section; the direction from the middle cladding section to the first cladding section and the second cladding section respectively; the projection areas of the first coating section and the second coating section in the axial direction of the oil conveying pipe are gradually reduced.
The sponge layer does not need to coat the whole oil conveying pipe, and only needs to meet the requirement of residual buoyancy of the oil conveying hose, in the scheme, the sponge layer is thicker, such as the oil conveying pipe is too long, the arranged sponge layer not only increases the operation difficulty and the manufacturing cost of the oil conveying hose, but also is not beneficial to transportation and storage of the oil conveying hose, therefore, the sponge layer is only provided with a section of sponge layer at the joint of the sponge layer and the flange pipe head to provide the residual buoyancy for the oil conveying hose, and is designed into a three-section structure of a first coating section, a middle coating section and a second coating section, the thickness of the sponge layer from the middle coating section to the first coating section and the second coating section is gradually reduced, the sponge layer is beneficial to using steel wires to bind with the flange, in addition, the length of the sponge layer only needs to coat part of the oil conveying pipe, the residual buoyancy required by the oil hose can be provided, and the manufacturing cost is saved.
According to a second aspect of the present invention, an oil transportation system is provided, which is characterized by comprising an oil transportation device, an oil receiving device and an oil transportation hose; the flange connecting piece on the oil delivery hose is respectively connected with the oil delivery device and the oil receiving device.
In the scheme, the tensile and torsional oil transportation system which is not easy to pull out in the oil transportation process is provided, and the tensile and torsional oil transportation system can be used in the oil transportation process from the sea to the land under the high sea condition and can also be used in the point-to-point oil transportation process on the sea under the high sea condition.
Further, when the flange connectors are respectively arranged as fixed flanges and loose flanges; the fixed flange is connected with the oil transportation device; the loose flange is connected with the oil receiving device.
Under the high sea condition, the phenomenon that the oil delivery hose is twisted under the action of external force and knotted under severe conditions can be effectively overcome; in this scheme, fixed flange is adopted to oil hose one end, and the other end adopts loose cover formula flange, and under the high sea condition, the beneficial effect who adopts above-mentioned further scheme is that, can effectively overcome because oil hose receives the exogenic action and produces and twist reverse, the condition of knoing can appear under the severe condition, has guaranteed the normal clear of oil transportation process.
The invention fixedly connects the flange pipe head and the oil delivery pipe by a method of embedding the flange arranged on the outer surface of the flange pipe head into the pipe wall of the oil delivery pipe and by the bonding and steel wire binding technology, and solves the technical problems that in the prior art, under a high sea condition, a common oil delivery hose cannot meet the requirements of tensile strength, torsion resistance and the like, is easy to pull out and fall off, and cannot ensure the normal operation of an oil delivery process.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic cross-sectional view of an oil hose according to the present invention;
FIG. 2 is a schematic cross-sectional view of an end of an oil transfer hose having a sponge layer according to the present invention;
FIG. 3 is a schematic cross-sectional view of an oil delivery pipe according to the present invention;
FIG. 4 is a schematic cross-sectional view of a flange joint according to the present invention;
FIG. 5 is a schematic view of a portion of the sponge layer of FIG. 1;
fig. 6 is a schematic diagram of an oil delivery system of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. flange joint spare, 2, outer glue film, 3, the sponge layer, 4, steel wire winding armor, 5, well glue film, 6, the cord layer, 7, interior glue film, 8, flange, 9, first cladding section, 10, middle part cladding section, 11, second cladding section, 12, oil transportation device, 13, oil transportation hose, 14, connect oily device.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The present invention provides an oil hose, referring to fig. 1 to 5, which can be used in an offshore oil transfer system under high sea conditions, comprising: a flange connecting piece 1 and an oil conveying pipe; the flange connecting piece 1 is provided with a flange pipe head which is sleeved in the pipe wall of the oil conveying pipe and is fixedly connected with the oil conveying pipe; the surface of flange tube head is provided with flange 8, and flange 8 imbeds in defeated oil pipe's pipe wall, and flange tube head and defeated oil pipe pass through a connecting piece fixed connection.
Specifically, in this scheme, flange joint spare 1 includes ring flange and flange tube head, and the ring flange is used for being connected fixedly with external device, and the flange tube head is used for being connected with defeated oil pipe, and defeated oil pipe cover is on the flange tube head, and the diameter of oil hose can slightly be less than the diameter of flange tube head, and the oil hose has certain elasticity, and the oil hose is connected inseparabler with the flange tube head after the installation. The oil conveying pipe is sleeved on the flange pipe head, the surface of the flange pipe head can be coated with adhesive materials to be adhered to the inner surface of the oil conveying pipe, wherein the adhesive materials can be selected from metal and rubber special glue and have the characteristics of tensile strength, torsion resistance and the like, so that the oil conveying hose is connected with the flange pipe head more firmly. The diameter of the flange pipe head is slightly larger than that of the oil delivery hose, and the oil delivery pipe has certain elasticity, so that the oil delivery pipe can be sleeved on the flange pipe head through a special tool, wherein the flange 8 arranged on the flange pipe head can be embedded into the pipe wall of the oil delivery pipe, the pulling-out resistance of the oil delivery pipe can be increased, and the stable connection between the oil delivery pipe and the flange pipe head is facilitated; on the basis, a connecting piece (such as a steel wire) can be used for fixedly connecting the flange pipe head with the oil pipeline at the flange 8; specifically, the steel wire is wound on the outer wall of the oil delivery pipe at the flange 8, and the oil delivery pipe and the flange pipe head are bound and fixed. The connecting method is used simultaneously, so that the tensile and torsional requirements of the oil conveying hose under high sea conditions can be met, and the pull-out phenomenon is not easy to occur, so that the normal operation of the oil conveying process is ensured; it should be noted that a plurality of flanges 8 may be provided on the flanged pipe head, and the flanges 8 may be welded to the outer surface of the flanged pipe head. The arrangement mode of the plurality of flanges 8 can ensure that the oil delivery pipe is connected with the flange pipe head more stably, and the tensile and torsional capabilities are stronger.
Compared with the prior art, the invention can meet the requirements of tensile strength and torsion resistance of the oil delivery hose under high sea conditions, and is not easy to pull out, thereby ensuring the normal operation of the oil delivery process.
In a further preferred embodiment, the flange connection 1 comprises: a first flange connection and a second flange connection; the first flange connecting piece and the second flange connecting piece are respectively arranged at two ends of the oil conveying pipe; the first flange connecting piece is a fixed flange, and the second flange connecting piece is a loose flange.
Specifically, in the scheme, due to the action of gusty wind and big waves, the oil delivery hose is subjected to a lot of external force on the sea surface, and has no regularity, irregular swinging and twisting can occur to the oil delivery hose under the action of the external force, the oil delivery hose is often knotted, and oil delivery operation cannot be completed in serious cases. In this scheme, can specifically include oil delivery end equipment, connect oil delivery end equipment and oil delivery hose, oil delivery hose one end adopts fixed flange, the other end adopts loose set formula flange, fixed flange can be connected with oil delivery end equipment, loose set formula flange can be connected with oil delivery end equipment, when oil delivery hose can appear anomalous rocking and twist reverse under the exogenic action, loose set formula flange sways and twists reverse with its unique structural feature along with oil delivery hose, can effectively offset the moment of torsion that produces because oil delivery hose twists reverse in the axis direction, can not knot because of oil delivery hose's torsion at the oil delivery in-process, influence the normal clear of oil delivery process.
Optionally, loose sleeve type flanges can be used at two ends of the oil delivery hose at the same time, the loose sleeve type flanges are respectively connected with the oil delivery end equipment and the oil receiving end equipment, irregular swinging and twisting occur under the action of external force on the oil delivery hose, the loose sleeve type flanges can swing and twist along with the oil delivery hose to offset torque generated by twisting of the oil delivery hose in the axis direction, and knotting caused by twisting of the oil delivery hose in the oil delivery process can be avoided to influence the normal operation of the oil delivery process.
In a further preferred embodiment, the flange 8 is fixedly arranged around the outer wall of the flanged pipe head and forms an annulus perpendicular to the axial direction of the flanged pipe head.
Specifically, in the scheme, the flange 8 is welded on the outer wall of the flange pipe head, when the flange 8 is connected with the oil conveying pipe, the flange 8 and the flange pipe head are vertically arranged, so that the pulling resistance of the oil conveying pipe can be increased, and in addition, the flange 8 is vertically arranged on the flange pipe head, so that the strength of the flange pipe head embedded into the inner wall of the oil conveying pipe is higher; if the oil pipeline is fixed with the flanged pipe head by using the connecting piece, the flanged pipe head and the oil pipeline can be bound by the connecting piece (such as a steel wire) more firmly, and under the condition that the three connecting methods are used simultaneously, the oil conveying hose is not easy to pull out.
In a further preferred embodiment, the oil conveying pipe is sequentially provided with an inner glue layer 7, a first cord layer, a steel wire winding armor layer 4, a second cord layer and an outer glue layer 2 from inside to outside; and a middle glue layer 5 is arranged between every two adjacent layers.
Specifically, in this scheme, defeated oil pipe has set gradually interior glue film 7, first cord layer, steel wire winding armor 4, second cord layer and outer glue film 2 from inside to outside, has guaranteed tensile, antitorque, corrosion resistance, wearability and the integration performance of defeated oil pipe from structural. The inner glue layer 7 of the oil pipeline has high strength and small resistance, and has better corrosion resistance to oil substances; the first cord layer, the steel wire winding armor layer 4 and the second cord layer provide tensile and anti-torsion characteristics for the oil hose; it should be noted that, the multilayer cord layer 6 may be arranged to enhance the tensile strength of the whole oil hose, and the multilayer cord layer 6 may be respectively arranged between layers to ensure that the oil hose has a sufficient tensile strength. The outer rubber layer 2 has stronger wear resistance and corrosion resistance; the middle glue layer 5 has better fluidity and adhesiveness and is used as a connecting transition layer between layers. The oil hose with the structure has the advantages of tensile strength, torsion resistance, wear resistance, tolerance, good integration performance and the like.
In a further preferred embodiment, both the first cord layer and the second cord layer are helically wound on the middle glue layer 5.
Specifically, in this scheme, cord layer 6 has tensile strength height, the cracked characteristic of difficult, glue film 5 can be fine in the cooperation fuses together with other layers, cord layer 6 can divide into first cord layer and second cord layer, first cord layer and second cord layer combine with well glue film 5 respectively, the in-process of combination, cord layer 6 adopts spiral winding's mode winding on well glue film 5, this kind of combination mode can make cord layer 6 be connected more firmly with well glue film 5, tensile, the torsional capacity is better.
In a further preferred embodiment, the inner glue layer 7 is a nitrile rubber layer; the first cord layer and the second cord layer are aramid fiber layers; the steel wire winding armor layer 4 is a steel wire mesh layer; the outer glue layer 2 is a chloroprene and styrene butadiene rubber mixed layer; the middle rubber layer 5 is a natural rubber layer.
Specifically, in the scheme, the inner rubber layer 7 can be made of a nitrile rubber material to enhance the strength and corrosion resistance of the inner rubber layer 7; the first cord layer and the second cord layer can be made of aramid fiber materials to enhance the tensile strength of the oil hose; the steel wire wound armor layer 4 can be made of steel wire mesh woven materials to enhance tensile strength and torsional strength; the outer rubber layer 2 can adopt a chloroprene and styrene butadiene rubber mixed material to enhance the wear resistance and the corrosion resistance; the middle rubber layer 5 can adopt natural rubber materials to enhance the fluidity and the adhesiveness. By adopting the materials as the main materials of all layers and the structural arrangement, the oil hose can meet the requirement of oil transportation under high sea conditions.
In a further preferred embodiment, the oil delivery hose further comprises a sponge layer 3, and the sponge layer 3 is coated on the outer surface of part of the outer rubber layer 2 from the flange connector 1 to the oil delivery pipe; the sponge layer 3 is also wrapped with another outer rubber layer 2, and the other outer rubber layer 2 is also a chloroprene and styrene butadiene rubber mixed layer.
Specifically, in this scheme, near the tip of oil delivery hose be provided with sponge layer 3, from the direction of flange joint spare 1 to defeated oil pipe set up one section length sponge layer 3 cladding on partial defeated oil pipe, near the length and the thickness of the sponge layer 3 that set up in the both ends of oil delivery hose can all be different. The sponge layers 3 arranged near the two ends of the oil delivery hose can provide residual buoyancy for the oil delivery hose, so that the oil delivery hose can float on the sea surface in the oil delivery process.
In a further preferred embodiment, the sponge layer 3 comprises a first cover section 9, a middle cover section 10 and a second cover section 11; in the direction from the middle cladding section 10 to the first cladding section 9 and the second cladding section 11, respectively; the projection areas of the first coating section 9 and the second coating section 11 in the axial direction of the oil delivery pipe are gradually reduced.
Specifically, in the scheme, the sponge layer 3 does not need to coat the whole oil conveying pipe, and only needs to meet the requirement of the residual buoyancy of the oil conveying hose, in the scheme, the sponge layer 3 is thick, such as the oil conveying pipe is too long, the arranged sponge layer 3 not only increases the operation difficulty and the manufacturing cost of the oil conveying hose, but also is not beneficial to the transportation and the storage of the oil conveying hose, therefore, the sponge layer 3 is only provided with a section of the sponge layer 3 for providing the residual buoyancy for the oil conveying hose at the joint of the sponge layer 3 and the flange pipe head, and the sponge layer 3 is designed into a three-section structure of a first coating section 9, a middle coating section 10 and a second coating section 11, the thickness of the sponge layer 3 from the middle coating section 10 to the first coating section 9 and the second coating section 11 is gradually reduced, the sponge layer 3 and the flange pipe head are bound by using steel wires, in addition, the length coating of the sponge layer 3 only needs to coat part of the oil conveying pipe, the residual buoyancy required by the oil hose can be provided, and the manufacturing cost is saved.
Compared with the prior art, the scheme can meet the requirements of tensile strength and torsion resistance of the oil hose under the high sea condition, and saves the manufacturing cost.
According to a second aspect of the present invention, there is provided an oil transportation system, please refer to fig. 6, comprising an oil transportation device 12, an oil receiving device 14 and an oil transportation hose 13; the flange connectors on the oil hose 13 are respectively connected with the oil delivery device 12 and the oil receiving device 14.
Specifically, in the present embodiment, the oil hose 13 as described above is used as an oil pipeline, that is, an oil transportation system having tensile and torsional properties and being less prone to pull-out during oil transportation is provided, and the system can be used in the oil transportation process from the sea to the land under high sea conditions, and also can be used in the point-to-point oil transportation process on the sea surface under high sea conditions. It should be noted that before the oil transportation process is started, the flange connectors on the oil transportation hose 13 are connected to the oil transportation device 12 and the oil receiving device 14 respectively, and the connection positions are ensured to be in a sealed state.
Compared with the prior art, the oil transportation system provided by the invention can meet the tensile and torsional requirements on the oil transportation hose 13 in the oil transportation process from the sea to the land under the high sea condition or the point-to-point oil transportation process on the sea, and is not easy to pull out, so that the normal operation of the oil transportation process is ensured.
In a further preferred embodiment, when the flange connections are provided as fixed flanges and loose flanges, respectively; the fixed flange is connected with the oil transportation device 12; the loose flange is connected to an oil receiving device 14.
Concretely, in this scheme, oil hose 13 one end adopts fixed flange, and the other end adopts loose cover formula flange, under the high sea condition, can effectively overcome because oil hose 13 receives the exogenic action and produces and twist reverse, and the condition of knoing can appear under the severe condition, can guarantee that the oil transportation process normally goes on. Optionally, loose-sleeve type flanges can be used at two ends of the oil delivery hose 13 at the same time, the loose-sleeve type flanges are respectively connected with the oil delivery end equipment and the oil receiving end equipment, irregular swinging and twisting occur under the action of external force on the oil delivery hose 13, the loose-sleeve type flanges can swing and twist along with the oil delivery hose 13 to offset torque generated by twisting of the oil delivery hose 13 in the axis direction, and knotting caused by twisting of the oil delivery hose 13 in the oil delivery process can be avoided to influence the normal operation of the oil delivery process.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An oil hose, comprising: a flange connector and an oil pipeline;
the flange connector is provided with a flange pipe head which is sleeved in the pipe wall of the oil conveying pipe and is fixedly connected with the oil conveying pipe;
the surface of flange tube head is provided with the flange, the flange is embedded into in the pipe wall of defeated oil pipe, just the flange tube head with defeated oil pipe passes through a connecting piece fixed connection.
2. The oil hose of claim 1, wherein the flange connection comprises: a first flange connection and a second flange connection;
the first flange connecting piece and the second flange connecting piece are respectively arranged at two ends of the oil conveying pipe;
the first flange connecting piece is a fixed flange, and the second flange connecting piece is a loose flange.
3. The oil hose of claim 1, wherein the flange is fixedly disposed around an outer wall of the flanged head and forms an annular surface perpendicular to an axial direction of the flanged head.
4. The oil hose according to claim 1, wherein the oil pipe is provided with an inner glue layer, a first cord layer, a steel wire-wound armor layer, a second cord layer and an outer glue layer in sequence from inside to outside;
and a middle glue layer is arranged between every two adjacent layers.
5. The oil hose of claim 4, wherein the first and second cord layers are each helically wound on the middle rubber layer.
6. The oil hose of claim 4, wherein the inner rubber layer is a nitrile rubber layer;
the first cord layer and the second cord layer are aramid fiber layers;
the steel wire winding armor layer is a steel wire mesh layer;
the outer adhesive layer is a chloroprene and styrene butadiene rubber mixed layer;
the middle rubber layer is a natural rubber layer.
7. The oil hose of claim 4, further comprising a sponge layer, wherein the sponge layer is coated on the outer surface of a part of the outer rubber layer from the flange connector to the oil pipe;
the sponge layer is also covered with another outer glue layer, and the other outer glue layer is also a chloroprene and styrene butadiene rubber mixed layer.
8. The oil hose of claim 7, wherein the sponge layer comprises a first coating section, a middle coating section, and a second coating section;
the direction from the middle cladding section to the first cladding section and the second cladding section respectively; the projection areas of the first coating section and the second coating section in the axial direction of the oil conveying pipe are gradually reduced.
9. An oil transfer system comprising an oil transfer device, an oil receiving device, and an oil transfer hose according to any one of claims 1 to 8;
and the flange connecting piece on the oil conveying hose is respectively connected with the oil conveying device and the oil receiving device.
10. The oil delivery system of claim 9, wherein when the flange connections are provided as a fixed flange and a loose flange, respectively;
the fixed flange is connected with the oil transportation device;
the loose flange is connected with the oil receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110616424.0A CN113251216A (en) | 2021-06-02 | 2021-06-02 | Oil transportation hose and oil transportation system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110616424.0A CN113251216A (en) | 2021-06-02 | 2021-06-02 | Oil transportation hose and oil transportation system comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN113251216A true CN113251216A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110616424.0A Pending CN113251216A (en) | 2021-06-02 | 2021-06-02 | Oil transportation hose and oil transportation system comprising same |
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| CN (1) | CN113251216A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717725A (en) * | 2023-05-29 | 2023-09-08 | 广东工业大学 | Sea surface oil pipeline |
| CN116717724A (en) * | 2023-05-29 | 2023-09-08 | 广东工业大学 | Anti-disturbance oil transportation method for sea surface floating hose |
-
2021
- 2021-06-02 CN CN202110616424.0A patent/CN113251216A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717725A (en) * | 2023-05-29 | 2023-09-08 | 广东工业大学 | Sea surface oil pipeline |
| CN116717724A (en) * | 2023-05-29 | 2023-09-08 | 广东工业大学 | Anti-disturbance oil transportation method for sea surface floating hose |
| CN116717725B (en) * | 2023-05-29 | 2024-02-20 | 广东工业大学 | Sea surface oil pipeline |
| CN116717724B (en) * | 2023-05-29 | 2024-02-27 | 广东工业大学 | Anti-disturbance oil transportation method for sea surface floating hose |
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