Mobile dehydration drying system for mud

A mobile, mud technology, applied in the direction of water/sludge/sewage treatment, sludge treatment, chemical instruments and methods, etc., can solve the problems of inability to install large-scale equipment, high cost of site construction, small construction site area, etc. , to achieve the effect of preventing the odor from spreading and disturbing the residents, occupying a small area, and overcoming a large area

Pending Publication Date: 2019-11-26
NAT ENG RES CENT OF DREDGING TECH & EQUIP
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AI Technical Summary

Problems solved by technology

The mechanical dehydration system can be divided into centrifuge dehydration construction process, plate and frame filter press construction process, belt filter press construction process, etc. according to the dehydration and drying equipment. The field of drying treatment is widely used. The dried soil produced by this process has low moisture content and stable equipment operation. However, the dehydration and drying process of the plate and frame filter press requires site construction, which occupies a large area and the site construction cost is high. For the construction site The economic cost of a project located in the center of the city, with a small construction site, where it is impossible to install large-scale equipment, and with a small daily mud processing volume for a single project is too high

Method used

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  • Mobile dehydration drying system for mud

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Embodiment 1

[0059] A mud deep dehydration drying system, which comprises the following steps:

[0060] a. Mud supply: a subway shield mud, the mud concentration is 21%, and the mud is transported to the impurity removal equipment through pipelines;

[0061] b. Use impurity removal equipment to remove impurities from the mud and remove large lumps of mud and garbage in the mud;

[0062] c. Transport the impurity-removed mud obtained in step b to the thickening equipment. The treatment time of the mud in the thickening equipment is about 2 to 6 hours, and the filtrate after mud thickening is discharged to the tail water treatment system through the overflow weir;

[0063] d. Transport the concentrated mud in step c to the curing agent delivery system. According to the dosing ratio of the agent, the curing agent delivery system needs to adjust the amount of mud per unit time, and adjust the unit time of the agent by adjusting the parameters of the control electric cabinet of the equipment. ...

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Abstract

The application belongs to the technical field of mud treatment, and provides a mobile dehydration drying system for mud. The dehydration drying system adopts integrated and unitized design, an equipment facility is divided into a plurality of unit systems, each unit system equipment is integrated and improved, and the unit systems mainly include an impurity-removing concentration system, a curingagent delivery system, a homogenization stirring system, a press dehydration system, a tail-water treatment system and an automatic control system; and the unit systems are respectively integrated into a vehicle-mounted container, body and tower, and have the advantages of convenient transportation, a small floor space, and convenient disassembly and assembly. The system provided by the inventioncan quickly and deeply dehydrate and dry the mud, and has very strong adaptability for projects where a mud storage location is in a city center, a construction site area is small, and large-scale equipment cannot be installed.

Description

technical field [0001] This application relates to the field of water conservancy and environmental protection, especially to the dehydration and drying of construction mud such as shield mud and pile foundation mud, sludge generated during the treatment of black and odorous water bodies in urban rivers, and sludge generated during the dredging and cleaning of box boxes and drainage pipe networks. chemical field. Background technique [0002] A large amount of construction mud is produced in the process of urban construction, such as shield mud and pile foundation mud, etc., a large amount of silt is produced in the treatment of black and odorous water bodies in urban rivers, and a large amount of sludge is produced in the process of dredging and cleaning box boxes and drainage pipe networks. These muds have the characteristics of high water content, high compressibility, poor water permeability, large demand for storage space, and difficult transportation, etc., and the slu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F11/121
CPCC02F11/008C02F11/121
Inventor 张晴波郑世华张守献孙文博冯光宝戴泓博
Owner NAT ENG RES CENT OF DREDGING TECH & EQUIP
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