阅读说明：本技术 一种导管架张紧式防腐系统及安装方法 (Jacket tensioning type corrosion prevention system and installation method ) 是由 刘磊 宋世德 张馨予 朱东旭 秦铁男 于 2020-08-31 设计创作，主要内容包括：本发明提供一种导管架张紧式防腐系统及安装方法,包括：导管架、第一复合缆、第一固定装置和第二固定装置,第一复合缆上设置有辅助阳极和/或第一参比电极,第一固定装置一端与第一复合缆上端连接,第一固定装置的另一端与导管架的主腿连接,第二固定装置与第一复合缆下端连接,第一固定装置包括：第一绳索、第二绳索和第一连接件；第一复合缆上端通过第一连接件分别与第一绳索和第二绳索的一端相连,第一绳索和第二绳索的另一端与主腿连接。本发明通过第一绳索、第二绳索和第一连接件实现对第一复合缆上端的拉紧,替换了传统的张紧装置,使施工步骤缩减,降低了海上施工周期、施工成本及施工难度,同时减少施工风险。(The invention provides a jacket tensioning type corrosion prevention system and an installation method, wherein the jacket tensioning type corrosion prevention system comprises the following steps: jacket, first compound cable, first fixing device and second fixing device are provided with supplementary positive pole and/or first reference electrode on the first compound cable, and first fixing device one end is connected with first compound cable upper end, and first fixing device's the other end is connected with the main leg of jacket, and second fixing device is connected with first compound cable lower extreme, and first fixing device includes: a first rope, a second rope and a first connecting piece; the upper end of the first composite cable is connected with one end of the first rope and one end of the second rope through the first connecting piece, and the other ends of the first rope and the second rope are connected with the main leg. According to the invention, the upper end of the first composite cable is tensioned through the first rope, the second rope and the first connecting piece, and the traditional tensioning device is replaced, so that the construction steps are reduced, the offshore construction period, the construction cost and the construction difficulty are reduced, and meanwhile, the construction risk is reduced.)

1. A jacket-tensioning corrosion protection system, comprising: jacket (1) and composite cable fixing unit, the composite cable fixing unit comprising: the device comprises a first composite cable (2), a first fixing device and a second fixing device, wherein an auxiliary anode (4.1) and/or a first reference electrode (4.2) are/is arranged on the first composite cable (2), one end of the first fixing device is connected with the upper end of the first composite cable (2), the other end of the first fixing device is connected with a main leg (1.1) of the jacket (1), the second fixing device is connected with the lower end of the first composite cable (2), and the first composite cable (2) is tensioned through the first fixing device and the second fixing device;

the first fixing device includes: a first rope (5), a second rope (6) and a first connecting piece (7); the upper end of the first composite cable (2) is connected with one ends of the first rope (5) and the second rope (6) through a first connecting piece (7), and the other ends of the first rope (5) and the second rope (6) are fixedly connected with the outer wall of the main leg (1.1).

2. The system of claim 1, further comprising: a second composite cable (3); the second composite cable (3) is arranged on the outer wall of the main leg (1.1), and a second reference electrode (4.3) is arranged on the second composite cable (3).

3. The system of claim 1, further comprising: and the third reference electrode (4.4), wherein the third reference electrode (4.4) is fixedly connected with the outer wall of the main leg (1.1).

4. The system of claim 1, wherein the second fixture comprises: a third rope (8), a fourth rope (9) and a second connecting piece (10);

the lower end of the first composite cable (2) is connected with one ends of the third rope (8) and the fourth rope (9) through a second connecting piece (10), and the other ends of the third rope (8) and the fourth rope (9) are fixedly connected with the outer wall of the main leg (1.1).

5. The system of claim 1, wherein the second fixture comprises: second connecting piece (10) and heavy stick together, heavy stick together through second connecting piece (10) with first compound cable (2) lower extreme is connected.

6. The system according to claim 1, characterized in that said second fixing means are lifting lugs fixed to the outer wall of said main leg (1.1), said lifting lugs being connected to the lower end of said first composite cable (2).

7. System according to claim 4 or 5, characterized in that said first and second connection elements (7, 10) are anchor chains and/or shackles and/or kentuckers;

the central axis of the first composite cable (2) coincides with the central axis of the jacket (1).

8. System according to claim 4 or 5, characterized in that said first connector (7) and said second connector (10) are three-eyelet plates;

the central axis of the first composite cable (2) coincides with the central axis of the jacket (1).

9. The system according to claim 7, wherein said composite cable fixing unit is plural, top ends of plural first composite cables (2) are sequentially connected by a fifth rope (10), and bottom ends of plural first composite cables (2) are sequentially connected by a sixth rope (11).

10. A jacket tensioning type anticorrosion system installation method is characterized by comprising the following steps:

s1: connecting the upper end of a first composite cable integrated with an auxiliary anode and/or a first reference electrode with one ends of a first rope and a second rope of a first fixing device through a first connecting piece, wherein the other ends of the first rope and the second rope are fixedly connected with the outer wall of the main leg of the jacket;

s2: connecting the lower end of a first composite cable with a second fixing device, wherein the composite cable is tensioned through the first fixing device and the second fixing device;

s3, the ocean platform is installed in the designated sea area.