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Horizontal drainage plate combined with geotextile vacuum preloading method for sludge treatment system and its construction method

A technology of horizontal drainage plate and vacuum preloading method, which is applied in water/sludge/sewage treatment, sludge treatment, chemical instruments and methods, etc. It can solve the problem that geotextile has no drainage purpose, and achieve the effect of increasing the drainage area.

Active Publication Date: 2022-05-03
WENZHOU UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, geotextiles are often not used directly for drainage purposes

Method used

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  • Horizontal drainage plate combined with geotextile vacuum preloading method for sludge treatment system and its construction method
  • Horizontal drainage plate combined with geotextile vacuum preloading method for sludge treatment system and its construction method
  • Horizontal drainage plate combined with geotextile vacuum preloading method for sludge treatment system and its construction method

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Embodiment Construction

[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "bottom" and "top "Face", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

[0028] refer to Figure 1-4 As shown, the present invention provides a system for treating sludge with a combination of horizontal drainage boards and geotextile vacuum preloading method. The sludge involved includes dredging sludge, dredging sludge and mud, etc., including a mud pool 1, a horizontal drainage board 2, and a geotextile 3 , pumping pipeline and vacuum device 4, the mud pool 1 is filled with silt, the horizontal drainage board 2 is horiz...

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Abstract

The invention discloses a system for treating sludge with a vacuum preloading method of a horizontal drainage board combined with a geotextile, which comprises a mud pool, a horizontal drainage board, a geotextile, a suction pipe and a vacuum device, the mud pool is filled with mud, and the The horizontal drainage boards are horizontally distributed in the mud in the mud pool layer by layer. The horizontal drainage boards of each layer are closely attached to the corresponding geotextiles. The geotextiles are made of synthetic fibers through needle punching or weaving. Vertical main pipes are arranged vertically on the opposite side walls, and the vertical main pipes are connected to the horizontal drainage boards through horizontal branch pipes. The invention also provides the construction method of the above system. The above-mentioned horizontal drainage plate combined with geotextile vacuum preloading method for treating sludge system and construction method has higher drainage efficiency and wider coverage.

Description

technical field [0001] The invention relates to a system for treating sludge with a horizontal drainage board combined with a geotextile vacuum preloading method. The invention also relates to a construction method of the above-mentioned horizontal drainage board combined with geotextile vacuum preloading method for treating sludge. Background technique [0002] In traditional vacuum preloading, fine soil particles are easy to block in the pores of the filter membrane of the drainage plate, causing silting of the drainage plate, resulting in a decrease in drainage efficiency. Moreover, the degree of vacuum attenuates along the depth of the vertical drainage plate, resulting in poor treatment effect of traditional vacuum preloading on the underlying soil. [0003] Geotextile is a permeable geosynthetic material made of synthetic fibers through needle punching or weaving. In traditional vacuum preloading, geotextiles are often laid on the surface of the silt to prevent punct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/121E02D3/00E02D3/10
CPCC02F11/121E02D3/10E02D3/005E02D2300/0078E02D2250/0053
Inventor 王军符洪涛袁国辉按打日拉蔡袁强王鹏倪俊峰高紫阳
Owner WENZHOU UNIVERSITY
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