一种管道内泥浆浓度提升装置
By using a double-layer pipeline structure and a slurry concentration enhancement device with dynamic pressure regulation, the problems of large footprint and low efficiency caused by low slurry concentration are solved. The device achieves simultaneous dehydration and concentration enhancement of slurry during pipeline transportation, and is suitable for the treatment of bottom sediment in urban rivers and lakes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI WATERWAY ENG DESIGN & CONSULTING CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-17
AI Technical Summary
In existing mud reduction treatment processes, the low mud concentration leads to large land occupation and low efficiency, while the high organic matter content in river and lake sediments causes environmental pollution and high costs. Traditional thickening tanks also have safety hazards and low construction efficiency.
The system employs a double-layer pipe structure, with the outer pipe being a rigid pipe body and the inner pipe being a water-permeable filter cloth material. Lateral pressure is generated by the contraction of the pipe diameter to squeeze the interstitial water, while the outer pipe collects overflow water. The flow rate and pressure are controlled in real time through a monitoring system, thereby achieving simultaneous dehydration and concentration enhancement of the slurry during pipeline transportation.
Without relying on a thickening tank, it achieves simultaneous increase in sludge concentration, reduces land occupation requirements, improves construction efficiency, reduces environmental pollution and subsequent treatment costs, and is suitable for the treatment of urban river and lake bottom sediments with limited space.
Smart Images
Figure CN224516521U_ABST
Abstract
Claims
1. A pipe-in mud concentration boosting device, characterized by, include: An external pipe has several overflow holes evenly distributed on its wall, and the overflow holes are connected to the waste water treatment device through a guide pipe. The inner pipe, coaxially nested inside the outer pipe, is made of filter cloth material with water permeability and elastic deformation capability, and its inner diameter is smaller than the nominal inner diameter of the mud conveying pipe. Flange connection assemblies are symmetrically arranged at both ends of the device to achieve a sealed connection between the inner pipe and the mud conveying pipe; The monitoring system, integrated into the mud conveying pipelines at the inlet and outlet of the device, includes electromagnetic flow meters and pressure transmitters, used to collect mud flow velocity and pipeline pressure data in real time. The wastewater treatment device includes a sedimentation tank and a flocculant dosing unit, used for centralized treatment of interstitial water.
2. The in-line mud density boosting device of claim 1, wherein, The filter cloth material of the inner pipe is selected from polyester or polypropylene polyester fiber woven fabric, and the filter cloth pore size is smaller than the minimum particle size of mud particles.
3. The in-line mud density boosting device of claim 1, wherein, The outer pipe is a rigid pipe with an inner diameter 5-20cm larger than the outer diameter of the inner pipe. The pipe is made of PVC, HDPE or seamless steel pipe and is the same length as the inner pipe and completely covers the inner pipe.
4. The pipeline mud concentration enhancement device according to claim 1, characterized in that, The device is a standardized modular unit, with a single module length of 2-3m. It is detachably connected in series with a straight section of the mud conveying pipeline via flange connection components.