Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Large-diameter long-distance thermal insulation composite pipeline structure and its construction method

A large-diameter, pipeline-based technology, which is applied in the structure and construction of large-diameter long-distance thermal insulation combined pipelines, can solve problems such as poor impermeability, poor thermal insulation performance of transported media, and small pipeline diameters, so as to achieve good heat insulation and improve earthquake resistance Performance, the effect of less deposition medium

Inactive Publication Date: 2021-01-05
NORTHEAST GASOLINEEUM UNIV
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art, and provide a large-diameter long-distance thermal insulation composite pipeline structure and its construction method, which is used to solve the problems of small diameter, poor stability, and poor impermeability of traditional pipelines. In order to solve the problem of poor thermal insulation performance of the conveying medium in high and severe cold areas, it also provides a construction method for this large-diameter long-distance thermal insulation combined pipeline structure system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Large-diameter long-distance thermal insulation composite pipeline structure and its construction method
  • Large-diameter long-distance thermal insulation composite pipeline structure and its construction method
  • Large-diameter long-distance thermal insulation composite pipeline structure and its construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] refer to figure 1 , This large-diameter long-distance heat preservation combined pipeline structure system is composed of straight pipeline monomers connected by integral nodes. Figure 4 , Figure 5 As shown, the straight pipe monomer is formed by two layers of seamless wound GFRP round pipes inside and outside, insulation board and interlayer self-compacting fine stone concrete layer, such as Figure 8 , Figure 9 , Figure 10 , As shown in Figure 11, the inner side of the outer GFRP round tube is set with shear connection keys according to certain rules, and the outer side of the inner layer GFRP round tube is set with GFRP high-strength bolts according to certain rules. Fixed, straight pipeline monomers are connected by integral nodes on site, such as Image 6 , Figure 7 As shown, the integral joint is formed by the inner and outer two layers of GFRP round pipes and the self-compacting concrete layer sandwiched by the insulation board. Pouring self-compacting...

Embodiment 2

[0063] refer to figure 2 , This large-diameter long-distance thermal insulation combined pipeline structure system is composed of straight pipeline monomers and curved pipeline monomers connected by integral nodes. Figure 12 As shown in the figure, the single curved pipe is formed by two layers of seamless wound GFRP round pipes, insulation boards and interlayer self-compacting fine stone concrete, such as Figure 9 , Figure 11 As shown, the inner side of the outer GFRP round pipe is set with GFRP shear connection keys according to a certain rule, and the outer side of the inner GFRP round pipe is set with GFRP high-strength bolts according to a certain rule, and the insulation board and the inner GFRP round pipe are fixed by double positioning nuts. An integral node is used for field connection between the straight pipe unit and the curved pipe unit, such as Image 6 , Figure 7 As shown, the integral joint is composed of inner and outer GFRP circular tubes, thermal ins...

Embodiment 3

[0066] refer to image 3 , This large-diameter long-distance heat preservation combined pipeline structure system is composed of straight pipeline monomers and spanning pipeline monomers connected by integral nodes. Figure 13 As shown, the spanning pipeline unit is formed by two layers of seamless wound GFRP round pipes inside and outside and self-compacting fine stone concrete sandwiched by insulation boards, such as Figure 9 , Figure 11 As shown, the inner side of the outer GFRP round pipe is set with GFRP shear connection keys according to a certain rule, and the outer side of the inner GFRP round pipe is set with GFRP high-strength bolts according to a certain rule, and the insulation board and the inner GFRP round pipe are fixed by double positioning nuts. Integral node on-site connection is used between the straight pipeline monomer and the spanning pipeline monomer, as shown in Figure 6, Figure 7 As shown, the integral joint is composed of inner and outer GFRP ci...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A large-diameter long-distance thermal insulation composite pipeline structure and its construction method relate to the technical field of pipelines and include pipeline monomers and integral joints. The pipeline monomers include outer GFRP round pipes, inner GFRP round pipes, and self-compacting fine stone Concrete layer and insulation board, the two ends of the pipeline monomer are respectively provided with bolt holes; the outer wall of the outer GFRP circular tube is provided with reserved bolt holes for the outer GFRP circular tube; the two pipeline monomers are connected by an integral Node connection, the integral node is connected with the bolt holes at the ends of the two pipeline monomers through high-strength bolts, and the outer wall of the integral node is provided with concrete pouring holes and vent holes, and the concrete pouring holes and vent holes are distributed at intervals. The large-diameter long-distance thermal insulation composite pipeline structure and its construction method solve the problems of small diameter, poor stability, poor impermeability of traditional pipelines and poor thermal insulation performance of conveying media in high and severe cold regions.

Description

Technical field: [0001] The invention relates to the technical field of pipelines, in particular to a large-diameter long-distance heat preservation combined pipeline structure and a construction method thereof. Background technique: [0002] In conventional long-distance pipelines, most of them are round steel pipes and reinforced concrete round pipes, with diameters ranging from 0.5m to 1.5m. The liquid is transported in the steel pipe all the year round, and it is easy to corrode. Long-term erosion will reduce the effective thickness of the pipe wall and reduce the rigidity of the pipe wall. Local buckling is prone to occur under the action of soil and external pressure. At the same time, due to the erosion of the inner wall by the liquid in the pipeline, there are more and more impurities, and it is difficult to meet the quality inspection standard. The pipeline often has to be replaced before reaching the designed service life. Reinforced concrete pipes are prone to co...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F16L9/14F16L13/11F16L55/033F16L59/14F16L59/20B28B21/56B28B21/72B28B21/82
CPCB28B21/56B28B21/72B28B21/82F16L9/14F16L13/11F16L55/033F16L59/14F16L59/182F16L59/20
Inventor 姜良芹计静梁媛王莉莉滕振超薛婷
Owner NORTHEAST GASOLINEEUM UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com