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Ventilating vacuum fast mud-water separating method for dredging high-water content mud accumulation yard

A technology for dredging silt and separation of mud and water, which is applied in the fields of ports, waterways and water conservancy projects, can solve the problems of large amount of dredged silt, occupy a lot of land and take a long time, so as to reduce the water content of the silt, reduce the occupied area, and reduce the effect of difficulty

Inactive Publication Date: 2010-01-27
JIANGSU HONGJI GEOTECHNICAL ENG CO LTD
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Problems solved by technology

[0004] Technical problem: The object of the present invention is to propose a high-water-content dredging silt stockpile to ventilate, vacuum, and quickly muddy water in response to the defects of large dredged silt production, high water content, slow sedimentation, and traditional stockyard treatment methods that occupy a lot of land and take up a long time. Separation method, and apply a breathable vacuum negative pressure in the drainage system to quickly discharge the water in the sludge to achieve the purpose of rapid separation of mud and water

Method used

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  • Ventilating vacuum fast mud-water separating method for dredging high-water content mud accumulation yard
  • Ventilating vacuum fast mud-water separating method for dredging high-water content mud accumulation yard

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Embodiment Construction

[0015] Such as figure 1 and figure 2 As shown, the specific steps and contents of the construction are as follows:

[0016] 1. Structure space drainage system:

[0017] 1) Processing materials: do a good job of drilling water filter pipes, covering water filter materials and cutting off plastic drainage boards at the material processing site;

[0018] 2) Laying of horizontal, horizontal and vertical drainage channels: Firstly, on the foundation in the cofferdam 1, a connected horizontal and horizontal water filtration and drainage pipe network 2 and a horizontal vertical drainage pipeline 3 are erected, and a vacuum device 5 and a vacuum device 5 are installed on the cofferdam 1. Ventilation device 13, horizontal and vertical drainage pipe 3 communicates with vacuum device 5 through water guide pipe 4, communicates with ventilation device 13 through air guide pipe 12, vertical plastic drainage board 6 is connected side by side on horizontal and horizontal water drainage pip...

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Abstract

The invention discloses an air permeable vacuum fast mud-water separation method of the dredged sludge storage yard with high water content, which relates to a water content fast reducing method of the dredged sludge with high water content and high clay content produced in the ports, the sea-routes and the hydraulic engineering. Through a vacuum extractor and a venting device, vacuum negative pressure in a space drainage system in a cofferdam storage yard is regulated, which can effectively solve the sludge plugging problem of the filtering and drainage system, cause the water content of the dredged sludge to be fast reduced, increase the sludge dredging amount of the cofferdam storage yard with the same capacity and reduce the land occupying area; meanwhile, the fast reducing of water content of the sludge can lighten the difficulty of subsequent processing of the sludge in the storage yard and shorten the construction period. With simple technique, low cost and obvious mud-water separation effect, the method is applied to the construction practice.

Description

technical field [0001] The present invention is a method for rapid mud-water separation of dredged silt yards with high water content produced in the construction of water conservancy, port wharf, and waterway projects. technical field. Background technique [0002] With the development of ports, waterways and water conservancy construction, in the process of dredging and widening of various waterways and rivers, as well as in the construction and expansion of ports, a large amount of dredging silt will inevitably be produced. According to incomplete statistics, my country's annual waste The dredged silt reaches more than 100 million cubic meters, and the amount of dredged silt treatment is very considerable. Taking the first phase of the Jiangsu Section of the East Route of the South-to-North Water Diversion Project as an example, 203.3485 million cubic meters of earth and stone were excavated, and most of the spoil was dredged silt with high water content. Blowing dredged...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/00B01D35/00C02F11/16
Inventor 邓东升洪振舜朱伟刘传俊丁建文洪鹏云
Owner JIANGSU HONGJI GEOTECHNICAL ENG CO LTD
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