CN210770755U

CN210770755U - Floating output hose with optical fiber sensing and detecting functions

Info

Publication number: CN210770755U
Application number: CN201921452306.5U
Authority: CN
Inventors: 李再春; 刘伟
Original assignee: Novarke Technologies Ltd
Current assignee: Novarke Technologies Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-16
Anticipated expiration: 2029-09-03

Abstract

The utility model aims at providing a float defeated hose outward with optic fibre sensing detects function. The technical scheme of the utility model is that: the optical fiber monitoring layer is composed of an inner liner layer, an outer liner layer, a sensor braiding layer and a plurality of grating sensors, four inner liner layer diversion holes are formed between the inner liner layer and the sensor braiding layer, four outer liner layer diversion holes are formed between the outer liner layer and the sensor braiding layer, and the sensor braiding layer is provided with four optical cables and a pre-impregnated resin braiding layer; whole pipeline structure is clear, has increased the optic fibre monitoring layer and has gone to realize the distributed detection, and optic fibre passes through the optical fiber splice on the flange and connects, finally is connected with the terminal monitoring equipment of defeated oil ship, and the early warning nature is strong, can detect out the loss degree of floating outer defeated hose in the use of offshore oil field, can in time, discover effectively that there is and floats the risk problem that lasts the damage and even became invalid on the pipeline.

Description

Floating output hose with optical fiber sensing and detecting functions

Technical Field

The utility model relates to a float and carry the monitoring field, especially relate to a float defeated hose outward with optic fibre sensing detects function.

Background

The floating export hose is an export facility which is extremely key in offshore oil and gas field exploitation, the facility is used for connecting an FPSO (offshore floating storage tanker) and a transport tug, and the common use in China can be divided into a long-term floating type and a drum type; wherein, the long-term floating type means that: the floating export hose floats on the sea surface for a long time; the drum-type floating hose is characterized in that: when the outward transportation operation is not carried out, the hose is collected on the roller, and when the outward transportation operation is carried out, the hose is put down and connected with the transportation tug.

The floating hose applied to offshore oilfields in China is of a composite multilayer structure and is respectively composed of an inner rubber layer, a steel framework layer, a middle rubber layer, a floating layer and an outer rubber layer; according to the regulation, the continuous service period of the floating output hose is six years, and during the period, the floating output hose needs to endure the fatigue action of strong ultraviolet irradiation, seawater soaking and repeated impact of ocean current for a long time, and the external damage caused by the operation of collecting and releasing a roller and the like; the hose is easy to fail in a long-period service period, including damage caused by mechanical damage of the inner layer and the outer layer of the hose, ultraviolet aging of the outer rubber layer, mechanical fatigue and other environments or working conditions, and if the risks are not found in time, the risks of continuous damage and even failure of the pipeline exist.

However, so far, in the process of using the floating export hose, no matter at home and abroad, the operation requirement of real-time monitoring or inspection is not available, the one-time complete service period is at least two years, during the period, the drum-type floating hose can still be found by personnel, and if the hose is a long-term floating hose, the hose cannot be found in advance; when the failure of the external conveying hose is discovered, the external conveying medium is crude oil or condensate oil and the like which are late, so that serious environmental pollution and property loss of oil leakage are caused, production halt caused by hose replacement, immeasurable loss such as manpower and material cost consumed for environment restoration and the like are caused; how to realize monitoring and supervision on the offshore floating export hose and solve the actual problems in the existing facilities is the question worth of questioning and discussing at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an increase optical fiber monitoring layer in outer defeated hose construction floats at sea, and the intraformational sensor is woven to the sensor array that comprises distributed optical cable and grating sensor jointly, connect the grating sensor on two-core optical fiber wherein of four-core optical cable, go to realize distributed detection, optic fibre connects through the optical fiber splice on the flange, finally be connected to defeated oil ship's terminal monitoring equipment on, can detect out the loss degree of floating outer defeated hose in the use of offshore oil field, avoid because of the long-term strong ultraviolet irradiation of tolerating, the sea water soaks, ocean current repeated impact's fatigue effect, receive and release the cylinder operation and cause this a series of problems of external damage to the influence and the consumption that float outer defeated hose caused, can in time, discover effectively to exist with float the pipeline last damaged or even the risk problem that became invalid, it is safer, The floating output hose with the optical fiber sensing detection function is green and suitable for attitude monitoring, leakage monitoring and stress monitoring of the marine floating output hose.

The technical scheme of the utility model is that: the utility model provides a float defeated hose outward with optic fibre sensing detects function which characterized in that: the reinforced structure comprises a reinforced structure outer rubber layer, an inner rubber layer, a steel wire reinforcing layer, a hose flange, an optical fiber connector and an optical fiber monitoring layer, wherein the inner rubber layer is positioned inside the reinforced structure outer rubber layer, the inner rubber layer and the reinforced structure outer rubber layer are fixedly connected, the steel wire reinforcing layer and the optical fiber monitoring layer are all positioned between the reinforced structure outer rubber layer and the inner rubber layer, the optical fiber monitoring layer is positioned outside the steel wire reinforcing layer, the inner side of the steel wire reinforcing layer is fixedly connected with the inner rubber layer, the outer side of the steel wire reinforcing layer is fixedly connected with the optical fiber monitoring layer, the outer side of the optical fiber monitoring layer is fixedly connected with the reinforced structure outer rubber layer, the hose flange is positioned at the same end of the reinforced structure outer rubber layer, the inner rubber layer, the steel wire reinforcing layer and the optical fiber monitoring layer, the hose flange is fixedly connected with the optical, the optical fiber connector is connected with the hose flange.

Further, the optical fiber monitoring layer comprises inner liner, outer lining layer, sensor weaving layer and a plurality of grating sensors, the sensor weaving layer is located between inner liner and the outer lining layer, and the inner liner is located the inside of outer lining layer, the inboard and the inner liner of sensor weaving layer are fixed connection, the outside and the outer lining layer of sensor weaving layer are fixed connection, the same distance evenly distributed in the marginal position department of sensor weaving layer in interval between a plurality of grating sensors, a plurality of grating sensors all are fixed connection with the sensor weaving layer.

Still further, the inner liner layer is made of high oil absorption resin materials.

Still further, the outer lining layer is made of a high-water-absorption polyurethane elastomer material.

Still further, still be equipped with four inner liner water conservancy diversion holes between inner liner and the sensor weaving layer, four inner liner water conservancy diversion holes distribute according to cross structure in the position department between inner liner and the sensor weaving layer, arbitrary the one end in inner liner water conservancy diversion hole is fixed connection with the inner liner, the other end in inner liner water conservancy diversion hole is fixed connection with the sensor weaving layer, still be equipped with four outer liner water conservancy diversion holes between outer liner and the sensor weaving layer, four outer liner water conservancy diversion holes distribute according to cross structure in the position department between outer liner and the sensor weaving layer, arbitrary the one end in outer liner water conservancy diversion hole is fixed connection with outer liner, the other end in outer liner water conservancy diversion hole is fixed connection with the sensor weaving layer.

Still further, be the angular rotation dislocation structure between four inner liner water conservancy diversion holes and four outer liner water conservancy diversion holes, the rotation dislocation angle between four inner liner water conservancy diversion holes and four outer liner water conservancy diversion holes is 45.

Still further, four optical cables and pre-impregnated resin woven layers are further arranged on the sensor woven layer, the four optical cables are distributed at the edge positions of the sensor woven layer according to a cross structure, the four optical cables are respectively located at the positions of 0 point, 3 point, 6 point and 9 point of the pipeline, the four optical cables are fixedly connected with the sensor woven layer, the pre-impregnated resin woven layer is located on the outer sides of the four optical cables, and the pre-impregnated resin woven layer is fixedly connected with the four optical cables.

Still further, any of the optical cables is a four-core optical fiber.

Still further, the grating sensor is an array distributed grating sensor.

The beneficial effects of the utility model reside in that: the pipeline is characterized in that an optical fiber monitoring layer is added in a marine floating export hose structure, a sensor in a sensor weaving layer is a sensing array which is formed by a distributed optical cable and a grating sensor together, the grating sensor is connected on two optical fibers of a four-core optical cable to realize distributed detection, the optical fibers are connected through an optical fiber joint on a flange and finally connected to a terminal monitoring device of an oil transportation wheel, the loss degree of the floating export hose in the use of a marine oil field can be detected, the influence and consumption of the floating export hose caused by a series of problems of long-term strong ultraviolet irradiation resistance, seawater soaking, fatigue action of ocean current repeated impact and external damage caused by roller retracting operation can be avoided, the risk problem of continuous damage and failure on the floating pipeline can be timely and effectively found, and the pipeline is safer and more green and suitable for posture monitoring, and application to the marine floating export hose, The floating output hose with the functions of leakage monitoring and stress monitoring and optical fiber sensing detection; the sensor braided layer is formed by four optical cables and a braided material of a pre-impregnated resin braided layer which are matched with the grating sensor, wherein the grating sensor adopts an array distributed grating sensor, so that the distributed optical cable and the grating sensor jointly form a sensing array, the optical cable adopts four-core optical fibers, two-core optical fibers are connected with the grating sensor, and the two-core optical fibers are used for distributed monitoring; the inner liner layer is made of High Oil Absorption Resin (HOAR), if the oil delivery hose is damaged internally, the inner rubber layer and the steel wire reinforcing layer fail successively, even if the inner liner layer is slightly leaked, the inner liner layer is locally expanded and deformed, the sensor braid layer is extruded, and the change of stress can be timely alarmed and positioned on a remote monitoring terminal; the outer lining layer is made of a water-swelling polyurethane elastomer material, if the oil hose is damaged externally, the outer rubber layer of the reinforcing structure fails, micro water penetrates into the outer lining layer and is subjected to swelling deformation, the sensor braid layer is extruded, and the change of stress can be timely alarmed and positioned on a far-end monitoring terminal; in addition, four inner liner layer flow guide holes are further formed between the inner liner layer and the sensor woven layer, four outer liner layer flow guide holes are further formed between the outer liner layer and the sensor woven layer, the four inner liner layer flow guide holes are distributed at positions between the inner liner layer and the sensor woven layer according to a cross structure, similarly, the four outer liner layer flow guide holes are distributed at positions between the outer liner layer and the sensor woven layer according to the cross structure, an angle rotation dislocation structure is formed between the four inner liner layer flow guide holes and the four outer liner layer flow guide holes, the rotation dislocation angle is 45 degrees, so that tiny moisture in the inner liner layer and the outer liner layer can conveniently permeate, no matter which of the inner layer and the outer layer is abnormal, moisture can enter through the inner liner layer flow guide holes and the outer liner layer flow guide holes, and the; in addition, the four optical cables are distributed at the edge positions of the sensor braid layer according to a cross structure to form an optical fiber sensing array, the four optical cables are respectively positioned at the positions of 0 point, 3 points, 6 points and 9 points of the pipeline, the optical fibers are connected with the grating sensor, so that the stress change can be monitored, and meanwhile, the optical cables carry out distributed strain monitoring to realize hose monitoring in different directions; the whole pipeline structure is clear in thought, convenient to use, capable of adapting to offshore operation in various extreme environments, strong in early warning performance and capable of effectively reducing and avoiding output loss.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is the structural schematic diagram of the optical fiber monitoring layer of the present invention.

Fig. 3 is the schematic view of the cross-sectional structure of the optical fiber monitoring layer of the present invention.

Fig. 4 is the utility model discloses a sensor weaving layer cross-sectional structure sketch map.

Wherein: 1. outer glue film 2, inner glue film 3 and steel wire reinforcement layer of reinforcement structure

4. Hose flange 5, optical fiber connector 6 and optical fiber monitoring layer

7. Inner liner 8, outer liner 9, inner liner water conservancy diversion hole

10. Outer lining layer diversion hole 11, sensor woven layer 12 and optical cable

13. Pre-impregnated resin woven layer 14 and grating sensor

Detailed Description

The following provides a brief description of the embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the floating export hose with the optical fiber sensing and detecting function is characterized in that: the reinforced structure outer rubber layer 1, the inner rubber layer 2, the steel wire reinforcing layer 3, the hose flange 4, the optical fiber connector 5 and the optical fiber monitoring layer 6 are arranged, the inner rubber layer 2 is arranged inside the reinforced structure outer rubber layer 1, the inner rubber layer 2 is fixedly connected with the reinforced structure outer rubber layer 1, the steel wire reinforcing layer 3 and the optical fiber monitoring layer 6 are all arranged between the reinforced structure outer rubber layer 1 and the inner rubber layer 2, the optical fiber monitoring layer 6 is arranged outside the steel wire reinforcing layer 3, the inner side of the steel wire reinforcing layer 3 is fixedly connected with the inner rubber layer 2, the outer side of the steel wire reinforcing layer 3 is fixedly connected with the optical fiber monitoring layer 6, the outer side of the optical fiber monitoring layer 6 is fixedly connected with the reinforced structure outer rubber layer 1, the hose flange 4 is arranged at the same end of the reinforced structure outer rubber layer 1, the inner rubber layer 2, the steel wire reinforcing layer 3 and the optical fiber monitoring layer 6, the hose flange 4 is, the optical fiber connector 5 is located on one side of the hose flange 4, the optical fiber connector 5 is connected with the hose flange 4, the optical fiber monitoring layer 6 is composed of an inner liner 7, an outer liner 8, a sensor braid 11 and a plurality of grating sensors 14, the sensor braid 11 is located between the inner liner 7 and the outer liner 8, the inner liner 7 is located inside the outer liner 8, the inner side of the sensor braid 11 is fixedly connected with the inner liner 7, the outer side of the sensor braid 11 is fixedly connected with the outer liner 8, four inner liner diversion holes 9 are further arranged between the inner liner 7 and the sensor braid 11, the four inner liner diversion holes 9 are distributed at positions between the inner liner 7 and the sensor braid 11 according to a cross structure, one end of each inner liner diversion hole 9 is fixedly connected with the inner liner 7, and the other end of each inner liner diversion hole 9 is fixedly connected with the sensor braid 11, four outer lining layer flow guide holes 10 are further arranged between the outer lining layer 8 and the sensor woven layer 11, the four outer lining layer flow guide holes 10 are distributed at positions between the outer lining layer 8 and the sensor woven layer 11 according to a cross structure, one end of any outer lining layer flow guide hole 10 is fixedly connected with the outer lining layer 8, the other end of the outer lining layer flow guide hole 10 is fixedly connected with the sensor woven layer 11, the four inner lining layer flow guide holes 9 and the four outer lining layer flow guide holes 10 are in an angular rotation dislocation structure, a rotation dislocation angle between the four inner lining layer flow guide holes 9 and the four outer lining layer flow guide holes 10 is 45 degrees, the plurality of grating sensors 14 are uniformly distributed at the edge positions of the sensor woven layer 11 at the same intervals, the plurality of grating sensors 14 are fixedly connected with the sensor 11, and the sensor woven layer 11 is further provided with four optical cables 12 and a pre-impregnated resin woven layer 13, the four optical cables 12 are distributed at the edge positions of the sensor braided layer 11 according to a cross structure, the four optical cables 12 are respectively located at the positions of 0 point, 3 points, 6 points and 9 points of the pipeline, the four optical cables 12 are fixedly connected with the sensor braided layer 11, the prepreg resin braided layer 13 is located on the outer side of the four optical cables 12, and the prepreg resin braided layer 13 is fixedly connected with the four optical cables 12. The lining layer 7 is made of high oil absorption resin. The outer lining layer 8 is made of a high-water-absorption polyurethane elastomer material. Any of the optical cables 12 is a four-core optical fiber. The grating sensor 14 is an array distributed grating sensor.

The working mode is as follows: the pipeline is characterized in that an optical fiber monitoring layer is added in a marine floating export hose structure, a sensor in a sensor weaving layer is a sensing array which is formed by a distributed optical cable and a grating sensor together, the grating sensor is connected on two optical fibers of a four-core optical cable to realize distributed detection, the optical fibers are connected through an optical fiber joint on a flange and finally connected to a terminal monitoring device of an oil transportation wheel, the loss degree of the floating export hose in the use of a marine oil field can be detected, the influence and consumption of the floating export hose caused by a series of problems of long-term strong ultraviolet irradiation resistance, seawater soaking, fatigue action of ocean current repeated impact and external damage caused by roller retracting operation can be avoided, the risk problem of continuous damage and failure on the floating pipeline can be timely and effectively found, and the pipeline is safer and more green and suitable for posture monitoring, and application to the marine floating export hose, The floating output hose with the functions of leakage monitoring and stress monitoring and optical fiber sensing detection; the optical fiber monitoring device mainly comprises a reinforced structure outer rubber layer 1, an inner rubber layer 2, a steel wire reinforcing layer 3, a hose flange 4, an optical fiber joint 5 and an optical fiber monitoring layer 6, wherein the outer rubber layer 1 and the inner rubber layer 2 clamp the steel wire reinforcing layer 3 and the optical fiber monitoring layer 6 inside to play a role in protection, the optical fiber monitoring layer 6 comprises an inner liner 7, an outer liner 8, a sensor weaving layer 11 and a plurality of grating sensors 14, the inner liner 7 is made of High Oil Absorption Resin (HOAR), the outer liner 8 is made of high water absorption polyurethane elastomer, has the functions of high toughness and corrosion resistance, is suitable for use in various extreme environments, a sensor weaving layer 11 is arranged between the inner liner 7 and the outer liner 8, four optical cables 12 and a pre-impregnated resin weaving layer 13 are further arranged on the sensor weaving layer 11, the sensor weaving layer 11 is formed by the weaving materials of the four optical cables 12 and the pre-impregnated resin weaving layer 13 matching with the grating sensors 14, the grating sensor 14 adopts an array distributed grating sensor, so that the distributed optical cable 12 and the grating sensor 14 jointly form a sensing array, in addition, the optical cable 12 adopts four-core optical fibers, wherein two-core optical fibers are connected with the grating sensor 14, and the two-core optical fibers are used for distributed monitoring; in addition, when the floating external transportation hose is used, the optical fiber monitoring layer 6 is used for monitoring the state of the floating external transportation hose, including the condition of uneven stress caused by leakage, generally about 20 meters of a complete hose, and optical fibers are connected with the hose through the optical fiber connector 5 on the hose flange 4 and finally connected to terminal monitoring equipment of an oil transportation wheel; the inner liner layer 7 is made of High Oil Absorption Resin (HOAR), if the oil delivery hose is damaged internally, the inner rubber layer 2 and the steel wire reinforcing layer 3 fail successively, even if the inner rubber layer 7 is slightly leaked, the inner liner layer 7 is locally expanded, the sensor braid layer 11 is extruded, and the change of stress can alarm and position on a remote monitoring terminal in time; the outer lining layer 8 is made of a water-swelling polyurethane elastomer material, if the oil hose is damaged externally, the outer glue layer 1 of the reinforced structure fails, and micro water penetrates into the outer lining layer 8 and is subjected to swelling deformation to extrude the sensor braiding layer 11, so that the change of stress can be timely alarmed and positioned on a remote monitoring terminal; in addition, four lining layer flow guide holes 9 are arranged between the lining layer 7 and the sensor weaving layer 11, and four outer lining layer diversion holes 10 are also arranged between the outer lining layer 8 and the sensor braid layer 11, and four inner liner layer diversion holes 9 are distributed at the position between the inner liner layer 7 and the sensor woven layer 11 according to a cross structure, and similarly, four outer liner layer diversion holes 10 are distributed at the position between the outer liner layer 8 and the sensor woven layer 11 according to a cross structure, and the four inner liner layer diversion holes 9 and the four outer liner layer diversion holes 10 form an angle rotation dislocation structure, the rotation dislocation angle is 45 degrees, so that the infiltration of micro moisture in the inner lining layer 7 and the outer lining layer 8 is facilitated, no matter which of the inner layer and the outer layer is abnormal, the moisture can enter through the inner lining layer diversion holes 9 and the outer lining layer diversion holes 10, and the moisture extrusion sensitivity is enhanced; in addition, the sensor braid 11 is also provided with four optical cables 12 and a prepreg resin braid 13, the four optical cables 12 are distributed at the edge position of the sensor braid 11 according to a cross structure to form an optical fiber sensing array, the four optical cables 12 are respectively positioned at the positions of 0 point, 3 point, 6 point and 9 point of a pipeline, and the optical fibers are connected with a grating sensor 14, so that the stress change can be monitored, and meanwhile, the optical cables 12 are used for distributed strain monitoring to realize hose monitoring in different directions; the whole pipeline structure is clear in thought, convenient to use, capable of adapting to offshore operation in various extreme environments, strong in early warning performance and capable of effectively reducing and avoiding output loss.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", "end", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a float defeated hose outward with optic fibre sensing detects function which characterized in that: the reinforced structure comprises a reinforced structure outer rubber layer, an inner rubber layer, a steel wire reinforcing layer, a hose flange, an optical fiber connector and an optical fiber monitoring layer, wherein the inner rubber layer is positioned inside the reinforced structure outer rubber layer, the inner rubber layer and the reinforced structure outer rubber layer are fixedly connected, the steel wire reinforcing layer and the optical fiber monitoring layer are all positioned between the reinforced structure outer rubber layer and the inner rubber layer, the optical fiber monitoring layer is positioned outside the steel wire reinforcing layer, the inner side of the steel wire reinforcing layer is fixedly connected with the inner rubber layer, the outer side of the steel wire reinforcing layer is fixedly connected with the optical fiber monitoring layer, the outer side of the optical fiber monitoring layer is fixedly connected with the reinforced structure outer rubber layer, the hose flange is positioned at the same end of the reinforced structure outer rubber layer, the inner rubber layer, the steel wire reinforcing layer and the optical fiber monitoring layer, the hose flange is fixedly connected with the optical, the optical fiber connector is connected with the hose flange.

2. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 1, wherein: further, the optical fiber monitoring layer comprises inner liner, outer lining layer, sensor weaving layer and a plurality of grating sensors, the sensor weaving layer is located between inner liner and the outer lining layer, and the inner liner is located the inside of outer lining layer, the inboard and the inner liner of sensor weaving layer are fixed connection, the outside and the outer lining layer of sensor weaving layer are fixed connection, the same distance evenly distributed in the marginal position department of sensor weaving layer in interval between a plurality of grating sensors, a plurality of grating sensors all are fixed connection with the sensor weaving layer.

3. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 2, wherein: the inner liner is made of high oil absorption resin.

4. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 2, wherein: the outer lining layer is made of a high-water-absorption polyurethane elastomer material.

5. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 2, wherein: still be equipped with four inner liner water conservancy diversion holes between inner liner and the sensor weaving layer, four inner liner water conservancy diversion holes distribute according to cross structure in the position department between inner liner and the sensor weaving layer, arbitrary the one end in inner liner water conservancy diversion hole is fixed connection with the inner liner, the other end in inner liner water conservancy diversion hole is fixed connection with the sensor weaving layer, still be equipped with four outer liner water conservancy diversion holes between outer liner and the sensor weaving layer, four outer liner water conservancy diversion holes distribute according to cross structure in the position department between outer liner and the sensor weaving layer, arbitrary the one end in outer liner water conservancy diversion hole is fixed connection with outer liner, the other end in outer liner water conservancy diversion hole is fixed connection with the sensor weaving layer.

6. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 5, wherein: be the rotatory dislocation structure of angle between four inner liner water conservancy diversion holes and four outer liner water conservancy diversion holes, the rotatory dislocation angle between four inner liner water conservancy diversion holes and four outer liner water conservancy diversion holes is 45.

7. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 2, wherein: the sensor weaving layer is further provided with four optical cables and a pre-impregnated resin weaving layer, the four optical cables are distributed at the edge positions of the sensor weaving layer according to a cross structure, the four optical cables are respectively located at the positions of 0 point, 3 point, 6 point and 9 point of the pipeline, the four optical cables are fixedly connected with the sensor weaving layer, the pre-impregnated resin weaving layer is located on the outer sides of the four optical cables, and the pre-impregnated resin weaving layer is fixedly connected with the four optical cables.

8. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 7, wherein: any of the optical cables is a four-core optical fiber.

9. The floating export hose with optical fiber sensing and detecting functions as claimed in claim 2, wherein: the grating sensor is an array distributed grating sensor.