Reinforcing method and structure of pollutant intercepting floats
A technology for strengthening structures and preventing pollution and drifting. It is used in the cleaning of open water surfaces, water conservancy projects, buildings, etc. It can solve the problems of cable or cable end anchorage breakage and cable stress. High performance and good pollution blocking effect
Inactive Publication Date: 2015-12-30
CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD
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Problems solved by technology
[0004] The object of the present invention is to provide a reinforcement method and structure of the pollution control drift to solve the stress on the cables of the pollution control drift under the condition of large span and high velocity water flow. Larger, it is easy to cause the hidden danger of breakage at the anchorage of the cable or the end of the cable, improve the reliability of the pollution control drift, and ensure the normal operation of the generator set, thereby overcoming the shortcomings of the existing technology
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[0019] During specific implementation, it can be implemented according to the following steps:
[0020] 1. First, fix the trash rack 2 on the tensioned anchor piers 7 on the two banks in front of the water inlet through the tension cable 1, and use the trash rack 2 and the trash rack suspended at the bottom of the trash rack to control the floating dirt and suspended debris in the reservoir area. The dirt is effectively intercepted.
[0021] 2. Then divide the tensioning cable 1 that fixes the pollution-blocking drift 2 into four sections, and set the booster cable 5 at the center of the tensioner cable 1 at the same time, the booster cable 5 is connected with the downstream anchor pier 6, and the tensioner cable 1 to decompose the tension of the tension cable 1 to avoid the breakage of the pollution blocking and drifting cable due to the large or concentrated force of the tension cable 1.
[0022] 3. The tension cable 3 is fixedly connected to the upstream anchor pie...
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The invention discloses a reinforcing method and structure of pollutant intercepting floats. According to the reinforcing method and the structure of the pollutant intercepting floats, an existing tensioning cable rope is divided into a plurality of sections according to the length of the tensioning cable, a pull cable rope is added at the position of a connecting knot of each section, and meanwhile an upstream anchorage pier is arranged on the bank side of the upstream side of the tensioning cable rope or in a reservoir. The other end of each pull cable rope is fixed to the upstream anchorage pier, and tension borne by the tensioning cable rope is decreased through the pull cable rope. The problems of unreasonable structure, large and centralized stress, engineering hidden dangers and the like existing in traditional pollutant intercepting float structure design are solved. The structure of the pollutant intercepting floats is good in pollutant intercepting effect, high in safety and convenient to overhaul. In addition, quick construction implementation is facilitated by adopting the simple structural form, a construction period is effectively ensured, and construction difficulty and construction costs are reduced.
Description
technical field [0001] The invention relates to a reinforcement method and structure of a pollution control drift, and belongs to the technical field of water diversion in water conservancy and hydropower projects. Background technique [0002] In water conservancy and hydropower projects, it is usually necessary to set up a pollution control float at the water inlet of the generator set to prevent the floating dirt in the reservoir from entering the generator set. However, usually due to the large amount of dirt, the pollution barriers and drifts are often blocked. In light cases, the water head will drop and the output of the unit will be reduced, which will affect the power generation efficiency; in severe cases, the structure of the pollution barriers and drifts will be damaged. In the water diversion structure, it occupies a very important position. [0003] At present, the design of pollution control drift is still in the stage of engineering exploration, and there ar...
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Login to View More IPC IPC(8): E02B15/04E02B15/06
Inventor 王志鹏贺双喜张高雷声军韩纯杰王海燕朱克强
Owner CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD