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Water drainage device and method for increasing water drainage and consolidation speed of filled sludge

A technology of drainage consolidation and drainage device, which is used in soil protection, infrastructure engineering, construction, etc., can solve the problem that the drainage consolidation speed of dredging sludge is not obvious, water and silt cannot be recycled, and the strength of foundation pit filling is low. and other problems, to achieve the effect of cheaper materials, faster speed, improved strength and stability

Active Publication Date: 2016-07-27
ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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Problems solved by technology

Although the particle size of the dredged silt is increased through collision, coagulation, flocculation, and agglomeration, the dredged fill strength of the entire foundation pit is low, the stability is poor, and the drainage and consolidation speed of the dredged silt is not obvious. Waste water and sludge cannot be recycled

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  • Water drainage device and method for increasing water drainage and consolidation speed of filled sludge
  • Water drainage device and method for increasing water drainage and consolidation speed of filled sludge
  • Water drainage device and method for increasing water drainage and consolidation speed of filled sludge

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Embodiment Construction

[0041] Such as Figure 1 to Figure 4 As shown, it is a drainage device for accelerating the drainage and consolidation speed of dredging and filling silt according to the present invention, including a drainage system, a negative pressure device 5 and a sewage treatment device. The drainage system is fixedly connected to both sides of the negative pressure device 5 through a return pipe 6. The drainage system includes a horizontal drain pipe 1 and a vertical drain pipe 2, the horizontal drain pipe 1 is distributed up and down, the vertical drain pipe 2 is evenly distributed perpendicular to the horizontal drain pipe 1, and the horizontal drain pipe 1 located above passes through the first pipe connector 3 The vertical drain pipe 2 is fixedly connected, and the horizontal drain pipe 1 located below is fixedly connected to the vertical drain pipe 2 through the second pipe connector 4. The design of the horizontal drain pipe 1 and the vertical drain pipe 2 through the frame struct...

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Abstract

The invention discloses a water drainage device and method for increasing the water drainage and consolidation speed of filled sludge. The water drainage device comprises a water drainage system, a negative pressure device and a sewage treatment device. The water drainage system is fixedly connected to the two sides of the negative pressure device through backflow pipes. The negative pressure device is connected with the sewage treatment device through a booster pipe. The sewage treatment device comprises a sewage treatment box. A separating cavity and storage cavities are formed in the sewage treatment box. First filter screens are arranged between the separating cavity and the storage cavities. A stirring mechanism is arranged in the separating cavity. A sedimentation basin is arranged at the bottom of the sewage treatment box. The water drainage method comprises the steps of construction preparation, foundation pit measurement, drainage system arrangement, filling construction, top layer construction and construction acceptance check. By the adoption of the water drainage device and method for increasing the water drainage and consolidation speed of the filled sludge, the arrangement scheme of a water drainage system is simplified, the water drainage and consolidation speed of the filled sludge is effectively increased, the strength and stability of the sludge in a whole foundation pit are improved, and the project quality is improved; and meanwhile, the separated water and sludge can be recovered, and resources are saved.

Description

technical field [0001] The invention relates to a drainage device and a method for accelerating the drainage and consolidation speed of dredged silt. Background technique [0002] With the rapid development of economy and society, and the continuous expansion of urban scale, many cities use the intertidal zone of the bay to reclaim land from the sea, and the soil and rocks required are less and less, so the use of silt as a filler for land creation has emerged as the times require, and the seabed silt It is filled into the enclosure by dredging, and after certain treatment, it becomes a foundation with a certain bearing capacity. This method of land creation by dredging and filling silt is being used more and more widely. [0003] A method for dredging and filling sludge drainage and consolidation announced by the State Intellectual Property Office of China (application number: 201110308999.2, publication number: 102312416, announcement date: 2012.01.11), the method is mainl...

Claims

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Application Information

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IPC IPC(8): E02D3/10
CPCE02D3/10
Inventor 刘学应王建华周旭杰
Owner ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER
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