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Sludge solidification treatment equipment and method

A technology of solidification treatment and silt, applied in soil protection, construction, infrastructure engineering and other directions, can solve the problems of damage to the ecological environment, low bearing capacity of the foundation, poor durability, etc., to avoid secondary pollution, reduce material costs, reduce The effect of construction costs

Active Publication Date: 2016-12-07
天津恒吉生科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] In recent years, the soft soil foundations formed by a large number of marine tidal flats and dredging and dredging are urgently needed to be developed and utilized. However, the traditional soft soil foundation treatment method has a long cycle and high cost, and the foundation bearing capacity is low, and a large amount of materials need to be transported from different places Replacement, not only destroys the ecological environment, but also has poor durability, and the contradiction between economic development and environmental protection has become increasingly prominent

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  • Sludge solidification treatment equipment and method

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Embodiment 1

[0031] as attached figure 1 As shown, a kind of sludge solidification treatment equipment includes a curing agent storage tank 1 and a water tank 2, the curing agent storage tank 1 and the water tank 2 are jointly connected with a curing agent mixer 3, and the described curing agent mixer 3 is equipped with a The pipeline 5 of the pressure pump 4 is connected to the sludge solidification mixer 6, and the curing agent outlet 7 on the sludge solidification mixer 6 is provided with a pressure sensor 8, and the pressure sensor 8 is electrically connected to the booster pump controller 9, The booster pump controller 9 is electrically connected to the booster pump 4 .

[0032] The sludge solidification mixer in this embodiment includes a casing, and a rotating drum is arranged in the casing, and a spiral stirring mechanism is arranged in the rotating drum, and a curing agent feeding port is connected to the upper part of the rotating drum through a pipeline, so that A curing agent ...

Embodiment 2

[0034] A method for solidifying sludge, comprising the steps of:

[0035] A. First mix the curing agent with an appropriate proportion of water to prepare a slurry;

[0036] B. Then transport the slurry to the sludge solidification mixer at the foundation construction position;

[0037] C. The silt solidification mixer injects the slurry directly into the soft soil with high water content, and at the same time uses the silt solidification mixer to directly stir on the spot until the slurry is evenly mixed with the entire soft soil base, and consolidated to form a consolidated body.

[0038] The silt solidification mixer adopts the construction method equipped with excavators. The construction area is on the side of the excavator, and the forward direction of the excavator is parallel to the construction area. Sand and gravel or mountain soil are spread in the newly constructed area as a surcharge layer and flattened. After rolling, it will be used as the next construction pla...

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Abstract

The invention relates to the technical field of sludge treatment, in particular to sludge solidification treatment equipment and a sludge solidification treatment method. The equipment structurally comprises a solidifying agent storage tank and a water tank, wherein the solidifying agent storage tank and the water tank are jointly connected with a solidifying agent mixer; the solidifying agent mixer is connected with a sludge solidification stirrer through a pipeline with a booster pump; a pressure sensor is arranged at a solidifying agent outlet in the sludge solidification stirrer and is electrically connected with a booster pump controller; and the booster pump controller is electrically connected with the booster pump. According to the sludge solidification treatment equipment and the sludge solidification treatment method, a solidified body formed by the equipment and the method is high in load bearing strength and can be soaked and scoured by seawater or river-lake water; in-situ sludge materials are solidified for use, so that a large quantity of hill-skill soil materials are not needed to be transported for landfilling and extrusion; therefore, damage to the environment due to mountain cutting and stone breaking and secondary pollution due to sludge extrusion are avoided; and compared with the cost of the conventional cement material, the material cost is reduced by 70 percent or above.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to equipment and method for sludge solidification treatment. Background technique [0002] Traditionally, dredging fill silt and underlying soft soil layer foundation treatment methods mainly include drainage consolidation method, gravel (sand) pile replacement method, cement-soil mixing method, etc. Gravel (sand) pile displacement method and cement-soil mixing method engineering cost are all more expensive, are not suitable for adopting in a large area. Traditionally, a large number of applied treatment methods are drainage consolidation methods: according to different loading and drainage forms, drainage consolidation mainly includes surcharge preloading method, vacuum preloading method, vacuum well point dewatering method, vacuum electroosmosis dewatering combined with low energy strong Tamping method and low vacuum preloading method. [0003] A brief overview of two c...

Claims

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Application Information

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IPC IPC(8): E02D3/00E02D3/12
CPCE02D3/00E02D3/12
Inventor 刘晓军李佑广
Owner 天津恒吉生科技有限公司
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