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In-situ curing and mixing construction method for waste mud residue soil

A waste mud and in-situ solidification technology, which is applied in chemical instruments and methods, fixed/solidified sludge treatment, sludge treatment, etc., can solve the problems of environmental pollution and high cost, and achieve reduced treatment procedures, good quality, and reduced impact on effects on human health

Active Publication Date: 2022-05-17
SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an in-situ solidification and mixing construction method for waste mud and dregs, aiming to solve the problems of high cost and environmental pollution in the treatment of waste mud and dregs in the prior art

Method used

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  • In-situ curing and mixing construction method for waste mud residue soil
  • In-situ curing and mixing construction method for waste mud residue soil
  • In-situ curing and mixing construction method for waste mud residue soil

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0034] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

[0035] In the drawings of this embodiment, the same or similar symbols correspond to the same or similar components; The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orien...

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Abstract

The invention relates to the technical field of waste mud muck treatment, and discloses a waste mud muck in-situ curing and mixing construction method which comprises the following construction steps: 1) leveling a construction road; a curing agent is stored in a storage bin, and the curing agent comprises, by mass, 25%-40% of Portland cement, 20%-30% of fly ash, 10%-20% of building gypsum, 1%-2% of an additive and 1%-5% of an early strength agent; 2) stirring the curing agent in an upper stirrer, and stirring the curing agent with water in a lower stirrer to form a mixture; (3) the stirrer is provided with a stirring shaft, the stirring shaft is connected with a rotating head, a containing cavity is formed in the rotating head, the rotating head is provided with a spray head, a hinge shaft is arranged in the containing cavity in a penetrating mode, the hinge shaft is hollow and rotationally connected with a conveying pipe, and the conveying pipe is connected to the lower stirrer; and the mixture is conveyed into the containing cavity of the rotating head through the conveying pipe and sprayed into the waste mud residue soil through the spraying head till the mixture and the waste mud residue soil are evenly stirred.

Description

technical field [0001] The patent of the present invention relates to the technical field of waste mud and dregs treatment, and specifically relates to a construction method for in-situ solidification and mixing of waste mud and dregs. Background technique [0002] In urban engineering construction, especially in projects using mud retaining technology, a large amount of waste mud slag will be formed. For waste mud and slag, solidification treatment is the most commonly used treatment method at present. [0003] At present, the basic principle of solidification treatment of waste mud slag is: add curing agent, such as cement, dry miscellaneous soil, etc. %-20% cement, and then, after the waste mud slag is dried and hardened, it is transported to the spoil yard. [0004] In the prior art, there is a disadvantage of high cost in using the above-mentioned solidification treatment of waste mud and dregs, and the treated waste mud and dregs are not recycled again, which not onl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00E01C21/00E01C19/10E02D3/12C04B28/04C04B111/00
CPCC02F11/008E01C21/00E01C19/104E02D3/12C04B28/04C04B2111/00784C04B18/08C04B22/143C04B22/062C04B22/147C04B24/122C04B2103/0068Y02W30/91
Inventor 韩晓峰关晓尧刘昶向永君
Owner SHENZHEN HONGYEJI GEOTECHNICAL TECH CO LTD
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