CN-122014045-A - Prefabricated wind power mixing tower system and assembly method

CN122014045ACN 122014045 ACN122014045 ACN 122014045ACN-122014045-A

Abstract

The invention discloses a prefabricated wind power mixing tower system and an assembly method. The prefabricated wind power mixing tower system comprises duct pieces, a connecting component and an energy consumption component, wherein the duct pieces are spliced to form a mixing tower main body, the connecting component is arranged between two adjacent duct pieces to fix the two adjacent duct pieces, the energy consumption component comprises a first plate and a second plate which are overlapped, a part section of at least one of the first plate and the second plate is an arc section, the first plate and the second plate can be elastically deformed and self-reset, the first plate and the second plate are provided with a first end and a second end which are oppositely arranged in a first direction, the first end of the first plate and the first end of the second plate are connected with one of the two adjacent duct pieces, and the second end of the first plate and the second plate are connected with the other of the two adjacent duct pieces. The embodiment of the invention has the advantages of good overall structure stability, high assembly and connection efficiency and better anti-seismic performance, and solves the difficult problem of freeze thawing and seismic coupling damage in alpine regions.

Inventors

HAO XINTONG
GAO JIANHUI
YU HAOZHENG
HAO HUAGENG
LIU YANG
ZHAO HENG
Jiang Hechuan
LI XINGLIN
WAN YUE
GAO PEIXIN

Assignees

华能安达市清洁能源有限公司
中国华能集团清洁能源技术研究院有限公司

Dates

Publication Date: 20260512
Application Date: 20260120

Claims (10)

1. A prefabricated wind power mixing tower system, comprising: A segment, a plurality of segments being spliced to construct a mixing tower body; the connecting component is arranged between two adjacent duct pieces to fix the two adjacent duct pieces; A power consuming assembly comprising stacked first and second plates, a gap being provided between a partial section of one of the first and second plates and a partial section of the other, both the first and second plates being elastically deformable and self-resetting, The first plate and the second plate each have a first end and a second end disposed opposite to each other in a first direction, the first ends of the first plate and the second plate being connected to one of the adjacent two of the segments, and the second ends of the first plate and the second plate being connected to the other of the adjacent two of the segments.
2. The prefabricated wind turbine system of claim 1, wherein the first and second ends of the second plate are in contact with the first plate, a middle section of the second plate in the first direction being curved toward a direction away from the first plate to construct the gap, the first and second plates each being a shape memory alloy.
3. The prefabricated wind power mixing tower system according to claim 2, wherein in the first direction, a cross-sectional area of the first plate orthogonal to the first direction gradually increases along a middle portion of the first plate toward both ends of the first plate, the middle portion of the first plate having a hollowed-out portion.
4. The prefabricated wind power mixing tower system according to claim 3, wherein among the plurality of duct pieces, a vertical joint is formed between two adjacent duct pieces, a circumferential joint is formed between two adjacent duct pieces, The energy consumption assembly comprises a first energy consumption assembly and a second energy consumption assembly, the first energy consumption assembly is connected to the circumferential joint, the second energy consumption assembly is connected to the vertical joint, the dimension H of a first plate in the first direction in the first energy consumption assembly is smaller than or equal to the dimension L of the first plate in the second direction, the dimension H of the first plate in the first direction in the second energy consumption assembly is larger than the dimension L of the first plate in the second direction, and the second direction, the first direction and the thickness direction of the first plate are orthogonal to each other.
5. The prefabricated wind power mixing tower system according to claim 4, wherein the first plate in the first energy consuming component satisfies that L is 1.2H or more and 2H or less, and the first plate in the second energy consuming component satisfies that H is 1.5L or more and 2L or less; And/or, in the first energy consumption component, the dimension H1 of the hollowed-out part in the first direction is more than or equal to 1/3H and less than or equal to 1/2H, the dimension L1 of the hollowed-out part in the second direction is more than or equal to 1/8L and less than or equal to 1/5L, and a plurality of hollowed-out parts are arranged on the first plate side by side along the second direction; And/or, in the second energy consumption component, the dimension H1 of the hollowed-out part in the first direction is greater than or equal to 1/3H and less than or equal to 1/2H, and the dimension L1 of the hollowed-out part in the second direction is greater than or equal to 1/5L and less than or equal to 1/3L; And/or the projection area of the first plate in the first energy consumption component in the plane orthogonal to the thickness direction of the first plate is S1, the projection area of the first plate in the second energy consumption component in the plane orthogonal to the thickness direction of the first plate is S2, and S1 is 3 to 5 times of S2; And/or the dimension L of the first plate in the first energy consuming component in the second direction is 500mm to 650mm, and the dimension L of the first plate in the second energy consuming component in the second direction is 150mm to 300mm; And/or the hollowed-out part is a diamond hole or an elliptic hole; And/or, the first plate is provided with concave side grooves at two sides of the second direction, the side grooves are V-shaped, and an included angle between the sides of the side grooves and the first direction is 10-30 degrees.
6. The prefabricated wind turbine tower system of any of claims 1 to 5, wherein the duct pieces comprise a duct piece body and an outer shield disposed on each side of the duct piece body facing an adjacent duct piece body, the connection assembly being connected between the outer shields of the adjacent duct pieces.
7. The prefabricated wind turbine tower system of claim 6, wherein the segment body comprises a concrete layer, an aerogel insulation layer, and a hydrophobic layer, the hydrophobic layer being located outside of the concrete layer, the aerogel insulation layer being located within the concrete layer, or the aerogel insulation layer being located between the hydrophobic layer and the concrete layer.
8. The prefabricated wind power mixing tower system according to claim 7, wherein the aerogel insulation layer is a silica aerogel insulation layer, and the pore size of micropores in the aerogel insulation layer is 2nm to 50nm; and/or the thickness of the aerogel heat insulation layer is 1/8 to 1/10 of the thickness of the segment body; And/or the aerogel heat-insulating layer is positioned in the concrete layer, and the thickness of the concrete layer positioned outside the aerogel heat-insulating layer is greater than 10mm; and/or the surface contact angle of the hydrophobic coating material adopted by the hydrophobic layer is greater than 150 degrees, and the rolling angle is less than 10 degrees.
9. The prefabricated wind power mixing tower system according to claim 6, wherein the inner edge of at least part of the outer guard plates on the duct piece extends out of the inner wall of the duct piece body to form a connecting part, the connecting component is connected to the connecting part, the connecting component comprises a bolt, a nut and a damping piece, the damping piece is arranged between an end cap of the bolt and the corresponding outer guard plate, and/or between the nut and the corresponding outer guard plate, and the damping piece is made of a shape memory alloy and is in a butterfly shape; and/or the connecting assembly comprises an embedded bolt, wherein the first end of the embedded bolt is provided with an embedded part, the outer diameter of the embedded part is larger than that of other sections of the embedded bolt, the first end of the embedded bolt is embedded in one of two adjacent duct pieces, the second end of the embedded bolt is inserted in the other one of the two adjacent duct pieces, and a plurality of embedded bolts are arranged at intervals along the side edges of the duct pieces; and/or at least part of the sections of the outer guard plates attached to each other between two adjacent duct pieces are welded and fixed.
10. A method of assembling a prefabricated wind power hybrid tower system for use in the assembly of a prefabricated wind power hybrid tower system according to any of claims 1 to 9, comprising: S1, arranging an assembly platform at a construction site; s2, assembling the duct pieces on the assembling platform to form a duct piece ring, and connecting two circumferentially adjacent duct pieces of the duct piece ring and installing energy consumption components; s3, hoisting the segment ring finger mounting position to finish the mounting of the segment ring; s4, repeating the steps S2 and S3, assembling the next segment ring, and connecting with the previous segment ring until all segment rings are installed; s5, performing prestress steel strand construction.

Description

Prefabricated wind power mixing tower system and assembly method Technical Field The invention belongs to the technical field of wind power, and particularly relates to a prefabricated wind power mixing tower system and an assembly method. Background In the related art, in the application of the wind power mixing tower in extremely cold areas, the duct pieces are manufactured in a prefabricated mode, but joints among the duct pieces depend on materials such as cement mortar or epoxy resin to carry out on-site wet connection. However, wet joints have problems of slow joint strength development, poor freeze thawing durability, poor anti-seismic effect, frequent internal defects and the like in extremely cold areas, so that the structural strength of the mixed tower is greatly influenced, and the bearing capacity and the construction progress of the mixed tower are influenced. Disclosure of Invention The present invention has been made based on the findings and knowledge of the inventors regarding the following facts and problems: The inventors have recognized that wet joints in the related art severely retard the curing process of the joint material in a low temperature environment, resulting in a 7-day strength often lower than 30% of the design value, and it is difficult to meet the assembly progress requirement. Meanwhile, moisture is easy to permeate into seam micropores, frost heaving stress is generated under repeated freeze thawing cycles, cracks and dislocation are caused, and the safety of the whole structure is seriously affected. The inventors have also recognized that free moisture during the pouring of wet joints in the related art freezes, is prone to quality problems such as honeycomb, void formation, and the like, significantly impairing the load carrying capacity of the joint area, thereby resulting in wet joints that are significantly limited in application. The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the prefabricated wind power mixing tower system with good structural stability and high assembly efficiency. The embodiment of the invention also provides an assembly method of the prefabricated wind power mixing tower system. The prefabricated wind power mixing tower system of the embodiment of the invention comprises: A segment, a plurality of segments being spliced to construct a mixing tower body; the connecting component is arranged between two adjacent duct pieces to fix the two adjacent duct pieces; A power consuming assembly comprising stacked first and second plates, a gap being provided between a partial section of one of the first and second plates and a partial section of the other, both the first and second plates being elastically deformable and self-resetting, The first plate and the second plate each have a first end and a second end disposed opposite to each other in a first direction, the first ends of the first plate and the second plate being connected to one of the adjacent two of the segments, and the second ends of the first plate and the second plate being connected to the other of the adjacent two of the segments. The prefabricated wind power mixing tower system provided by the embodiment of the invention has the advantages that the overall structure stability is good, wet connection is not adopted in the assembly process, the rapid alignment connection between adjacent segments can be realized through the connecting assembly, the connection efficiency is high, the defect problem in the wet connection process can be avoided, and the structural strength of the mixing tower structure is ensured. Meanwhile, the energy consumption component of the embodiment can optimize the stress performance of the mixing tower by utilizing the elastic deformation capacity and the self-resetting capacity of the first plate and the second plate, so that the shock resistance is better, and the problem of freeze thawing and seismic coupling damage in high and cold areas is solved. In some embodiments, the first and second ends of the second plate are in engagement with the first plate, a middle section of the second plate in the first direction is bent toward a direction away from the first plate to construct the gap, and the first and second plates are both shape memory alloys. In some embodiments, in the first direction, a cross-sectional area of the first plate orthogonal to the first direction gradually increases along a middle portion of the first plate toward both ends of the first plate, the middle portion of the first plate having a hollowed-out portion. In some embodiments, among the plurality of segments, a vertical seam is formed between two segments that are partially adjacent, a circumferential seam is formed between two segments that are partially adjacent, The energy consumption assembly comprises a first energy consumption assembly and a second energy consump