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Shield muck brick-making recycling method

A muck and shield technology, which is applied in the field of shield muck to make bricks, can solve problems such as unstable accumulation of dregs containing water, occurrence of landslides, landslides, waste of land resources, etc., to improve equipment processing capacity and reduce siltation , Improve the effect of sand quality

Inactive Publication Date: 2021-05-07
CHINA RAILWEY ENG SERVICE CO LTD
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Problems solved by technology

[0003] At present, the treatment method of the shield muck is to directly transport it to the storage yard. Due to the high water content of the shield muck, the transportation efficiency of this method is low, and it is easy to pollute the road during the transportation process, and a large number of subway constructions are expensive The accumulation of water-containing dregs will waste a lot of land resources and occupy large-scale cultivated land. The accumulation of water-containing muck is unstable, that is, landslides, landslides and other disasters will occur, and it is also one of the main pollution sources of sand and dust pollution, and the liquid leaching of dregs will cause Serious pollution of water resources near the storage yard

Method used

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Embodiment Construction

[0040] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0041] Combine below figure 1 , figure 2 The present invention will be described in detail.

[0042] A method for recycling bricks made from shield muck comprising the following steps:

[0043] Step A: screen the shield muck after leaving the well;

[0044] Step B: Screening to obtain coarse sand and screened mud, storing the coarse sand, and washing the screened mud;

[0045] Step C: washing the sand to obtain fine sand and sand washing mud, storing the fine sand, and swirling the sand washing mud;

[0046] Step D: Swirl to obtain sandy underflow and swirling mud, wash the sandy underflow again, and flocculate the swirling mud;

[0047] Step E: flocculation to obtain the supernatant liquid and the thick mud in the lower layer, the supernatant liquid is precipitated, and the thick mud is...

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Abstract

The invention discloses a shield muck recycling method, belongs to the technical field of shield construction. The problem that the shield muck treatment and recycling effect is not ideal in the prior art is solved. According to the shield muck recycling method, shield muck is subjected to screening, sand washing, rotational flow, secondary sand washing, flocculation, filter pressing, flocculation and the like in sequence, and coarse sand, fine sand, mud cakes and water are obtained; the requirements of material reutilization and outward transportation are met, reduction transportation, environment-friendly treatment and resource utilization of the shield muck are achieved, and the shield muck recycling method has the characteristics of integrated arrangement, modular installation, industrial production and intelligent control; and the shield muck recycling method is high in adaptability, has multi-stage configuration, multi-stage accessories and multiple arrangement forms, and can meet the requirements of different projects on the handling capacity, the handling capacity, the site arrangement and the geological conditions.

Description

technical field [0001] The invention belongs to the technical field of shield tunneling, in particular to a recycling method for making bricks from shield tunneling dregs. Background technique [0002] With the vigorous construction of cities, the development of urban-rural integration, and the construction of urban tunnels and subways, a large amount of shield muck, construction waste, and shield muck production have increased significantly during the construction process. The number and storage capacity of the existing treatment facilities can no longer meet the requirements for the disposal of shield dregs, construction waste, and shield dregs at the present stage, and the phenomenon of illegal spoils still exists. In order to solve the sharp increase in the output of urban shield muck, the number and storage capacity of existing treatment facilities are insufficient, and in order to fully implement the scientific development concept, the disposal of urban shield muck has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B15/00B28B17/02
CPCB28B15/00B28B17/026
Inventor 李恒任阳刁鹏刘光鑫杨登慧王可强焦俊奇李才洪
Owner CHINA RAILWEY ENG SERVICE CO LTD
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