CN-122014924-A - Basalt fiber underground water delivery intelligent sensing pipeline for desert area

CN122014924ACN 122014924 ACN122014924 ACN 122014924ACN-122014924-A

Abstract

The application discloses a basalt fiber underground water delivery intelligent sensing pipeline for a desert area, and belongs to the technical field of pipeline systems. The intelligent sensing module comprises a hemispherical protruding layer, an outer cladding layer and a wireless transmission sensor which are arranged on the inner liner, wherein the asymmetric connection structure comprises a concave connecting disc at the head part of the pipeline, a convex connecting disc at the tail part of the pipeline and a fastening disc buckle. The Basalt Fiber (BF) water conveying pipeline provided by the application can effectively resist desert corrosion environment, effectively prevent deformation and damage in radial bearing, axial stretching and pipeline bending, and give consideration to intelligent sensing and monitoring of pipeline water environment and improving usability and durability.

Inventors

XU ZHIHAO
LI LEJIA
CAO ZHIYANG
WANG CHENG
FU YONGFENG
WANG DECHENG
LI XIAOBIN
LI FANG

Assignees

新疆沃宇纺织新材料有限公司
塔里木大学

Dates

Publication Date: 20260512
Application Date: 20260331

Claims (7)

1. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area is characterized by comprising a pipeline main body, an intelligent sensing module and an asymmetric connecting structure for prefabrication assembly; The pipeline main body is sequentially provided with an inner liner layer (1), a gradient functional enhancement layer (2), an outer wrapping layer (31) and an enhancement protection layer (4) from inside to outside along the radial direction; the inner liner (1) is made of high polymer materials and basalt fibers, the fibers are uniformly distributed along the axial direction, the gradient functional reinforcing layer (2) is a multi-layer basalt fiber woven net, the fiber volume fraction is in gradient change along the radial direction and is used for resisting local deformation caused by dynamic water pressure, the outer liner (31) is made of the high polymer materials and the basalt fibers, the outer liner is uniformly arranged at the outer side of the gradient functional reinforcing layer (2) along the axial direction, short basalt fiber filaments (32) are arranged on the surface of the inner liner, which is in contact with the reinforcing protective layer (4), the short basalt fiber filaments (32) are shaped through hot resin impregnation and are connected with the reinforcing protective layer (4) to form a whole, the reinforcing protective layer (4) is of a basalt fiber reinforced engineering cement-based intelligent concrete structure, the basalt fiber reinforced engineering cement-based concrete structure comprises basalt fiber reinforcement cages and reinforcing engineering cement-based concrete (43) poured outside the basalt fiber reinforcement cages, the basalt fiber reinforcement cages consist of longitudinal ribs (41) and stirrups (42), and high polymer water absorption resin microcapsules and microorganism repairing capsules are doped in the reinforcing engineering cement-based concrete (43), and the two capsules are distributed in gradient mode according to functions; The intelligent perception module comprises a hemispherical protrusion layer (54) arranged on the inner liner layer (1), an outer cladding layer (51) made of piezoelectric materials and a wireless transmission sensor (52) arranged on the head of the pipeline, wherein the hemispherical protrusion layer (54) is used for generating local turbulent vibration, the vibration is transmitted to the outer cladding layer (51) of the piezoelectric materials through the gradient functional enhancement layer (2) to be converted into electric energy for supplying power to the sensor, and holes are formed in the connecting position of the head of the pipeline for the wireless transmission sensor (52) to be arranged, so that the integration of the connecting part of the structure and the intelligent monitoring interface is realized; the asymmetric connection structure comprises a concave connection disc (5) at the head of a pipeline, a convex connection disc (6) at the tail of the pipeline and a fastening disc buckle (7), wherein hemispherical protrusions (53) are arranged on the inner side of the concave connection disc (5), hemispherical grooves (62) matched with the hemispherical protrusions (53) are formed in the inner side of the convex connection disc (6), the concave connection disc (5) and the convex connection disc (6) are in a gear-shaped hollowing design, the fastening disc buckle (7) is in a gear-shaped structure and is matched with the two connection discs, a connection area is locked by rotating the fastening disc buckle (7), and a vibration reduction layer (61) is arranged on the inner side of the tail of the pipeline.
2. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area according to claim 1, wherein the high-molecular water-absorbing resin microcapsule takes sodium acrylate as a core, the microbial repair capsule is of a double-layer core structure, the inner layer is porous carrier particles for adsorbing the sarcina bardana, and the outer layer is coated with a nutrition source, wherein the nutrition source comprises at least one of calcium lactate, yeast extract and nitrate.
3. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area according to claim 1, wherein the functional gradient principle distribution is specifically as follows: The 20mm range outside the reinforced protective layer (4) and the pipeline connecting part are high-density areas of the microorganism repairing capsules, the volume fraction of the microorganism repairing capsules is 3.0% -3.5%, the high-molecular water-absorbing resin microcapsules are medium-density areas, and the volume fraction is 1.0%; The interface reinforcing layer of basalt fiber reinforced plastic and reinforced engineering cement-based concrete is a double-capsule high-density area, and the volume fraction of the two capsules is 2.5% -3.0%; in the reinforced engineering cement-based concrete (43) at other positions of the pipe body, the total volume fraction of the two capsules is 1.5% and is uniformly distributed.
4. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area according to claim 1, wherein the fastening disc buckle (7) is made of basalt fibers, and stiffening ribs (72) are arranged at the axial limiting plates (71) of the fastening disc buckle.
5. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area according to claim 1, wherein longitudinal ribs (41) of the basalt fiber reinforcement cage are subjected to pre-bending treatment in a connecting area, the bent longitudinal ribs (41) and the circumferential stirrups (42) form a space anchoring framework, and the reinforced engineering cement-based concrete and the framework form an integral reinforced node by adopting a one-time casting molding process.
6. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area according to claim 1, wherein the wireless transmission sensor (52) is used for monitoring the water pressure, the flow rate and the water quality parameters in the pipeline in real time.
7. The basalt fiber underground water delivery intelligent sensing pipeline for the desert area according to claim 1, wherein the concave connecting disc (5) and the convex connecting disc (6) are integrally cast at the joint of the reinforced engineering cement-based concrete reinforced protection layer and are continuously connected with the reinforced protection layer (4) of the pipeline main body.

Description

Basalt fiber underground water delivery intelligent sensing pipeline for desert area Technical Field The application belongs to the technical field of pipeline systems, and particularly relates to a basalt fiber underground water delivery intelligent sensing pipeline for a desert area. Background In water delivery engineering in desert areas, the main body of the existing water delivery pipeline system is mostly made of metal materials, and corrosion environments are treated by arranging anti-corrosion coatings on the surfaces of the main body. However, the design of the pipeline focuses on optimization of cross section characteristics, lacks modularized manufacture and special connection mode design aiming at desert environments, and faces multiple technical defects caused by extreme environments, so that the durability is insufficient, and the concrete problems are as follows: the corrosion protection failure is fast, the corrosion protection coating on the surface of the pipeline is easy to be damaged due to the continuous mechanical abrasion of the desert sand, so that the metal body is exposed to the corrosion environment, and the corrosion is accelerated; The deformation resistance is weak, the temperature difference between the day and night of the desert is large, and the dynamic water pressure of long-distance high-pressure water delivery is superposed, so that the pipeline is easy to generate radial expansion, axial expansion and cracking; The construction suitability is poor, no modularized manufacturing process support exists, the field wet workload is large, a reliable special connection mode for desert environments is lacked, the construction efficiency is low, and the strength of the connection part is insufficient; The intelligent monitoring function is not enough, the real-time monitoring of water pressure, flow rate, water quality and structural damage cannot be realized, the manual periodic detection is relied on, the early warning of hidden danger is difficult to realize, and the maintenance is not timely and inaccurate. Therefore, there is a need to develop a basalt fiber underground water delivery intelligent sensing pipeline for desert areas to solve the above problems. Disclosure of Invention The basalt fiber underground water delivery intelligent sensing pipeline for the desert area has the advantages of improving corrosion resistance and wear resistance of the pipeline, effectively resisting dynamic water pressure and local deformation, realizing integration of a structure connecting part and an intelligent monitoring interface, facilitating rapid assembly and maintenance and reducing water resource consumption. The application provides a basalt fiber underground water delivery intelligent sensing pipeline for a desert area, which adopts the following technical scheme that the intelligent sensing pipeline comprises a pipeline main body, an intelligent sensing module and an asymmetric connecting structure for prefabrication assembly; The pipeline main body is provided with an inner liner layer, a gradient functional enhancement layer, an outer cladding layer and an enhancement protection layer in sequence from inside to outside along the radial direction; the inner liner is made of high polymer materials and basalt fibers, the fibers are uniformly distributed along the axial direction, the gradient functionalized enhancement layer is a multi-layer basalt fiber woven net, the fiber volume fraction is in gradient change along the radial direction and is used for resisting local deformation caused by dynamic water pressure, the outer liner is made of high polymer materials and basalt fibers, the outer liner is uniformly arranged on the outer side of the gradient functionalized enhancement layer along the axial direction, short basalt fiber wires are arranged on the surface of the outer liner, which is contacted with the enhancement protection layer, and are subjected to heat resin impregnation shaping and are connected with the enhancement protection layer to form a whole; The intelligent perception module comprises a hemispherical protruding layer arranged on the inner liner, an outer cladding layer made of piezoelectric materials and a wireless transmission sensor arranged on the head of the pipeline, wherein the hemispherical protruding layer is used for generating local turbulence vibration, the vibration is transmitted to the outer cladding layer made of the piezoelectric materials through the gradient functional enhancement layer to be converted into electric energy to supply power for the sensor, and holes are formed in the connecting position of the head of the pipeline for the wireless transmission sensor to be arranged, so that the integration of the connecting part of the structure and the intelligent monitoring interface is realized; The asymmetric connection structure comprises a concave connecting disc at the head part of a pipeline, a convex connecting disc at the tail p