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River and lake sludge harmless treatment system and method

A harmless treatment and sludge technology, applied in sludge treatment, sludge treatment, biological sludge treatment, etc., can solve the problems of limiting sludge solidification treatment efficiency and high investment cost, reducing organic matter content and high treatment efficiency , the effect of high excavation accuracy

Inactive Publication Date: 2017-10-20
江门市三清环境技术工程有限公司
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Problems solved by technology

At present, the sludge treatment method is usually based on expropriating land to pile up sludge. However, with the land demand for urban construction, the shortage of industrial and agricultural land, and the enhancement of public awareness of environmental protection, the existing sludge treatment method has become a constraint for water conservancy. and the main bottleneck of water environment treatment projects
[0003] In addition, in the existing process of using solidification treatment construction methods to treat sludge, solidification treatment machines are usually used to solidify and stir the sludge. Since each solidification machine needs to be equipped with 3 to 4 excavators for loading sludge And the solidified sludge is loaded into the truck, and the sludge treatment capacity per hour is only 100-150 cubic meters, which greatly limits the efficiency of sludge solidification treatment, and the investment cost required to complete the sludge treatment task is relatively high. high

Method used

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  • River and lake sludge harmless treatment system and method

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Embodiment Construction

[0021] Such as figure 1 As shown, a river and lake sludge harmless treatment system includes a sludge transport component 1, a filter component 2 for separating impurities from the sludge, an integrated screening component 3 for separating powder particles from the sludge, and a sludge sedimentation component. Sedimentation component 4 for discharging bottom mud, solid-liquid separation device 5 for dehydrating bottom mud, crushing device 6 for crushing and dehydrating mud lumps, drying device 7 for drying crushed mud lumps, and drying mud lumps after drying The block is converted into a carbonization device 8 of carbonized mud.

[0022] The silt transporting assembly 1 may include a dredger, a dredging pipeline extending from the dredger into the silt, a reamer head arranged in the dredging pipeline, a monitoring device for capturing the dredging picture, and a monitor for determining the size of the reamer Depth sounder for knife digging depth. The dredger sucks up the sil...

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Abstract

The invention discloses a river and lake sludge harmless treatment system. The system comprises a sludge carting component, a filtering component for separating impurities from sludge, an integrated screening component for separating powder particles from sludge, a sedimentation component for precipitating bottom mud from sludge, a solid-liquid separator for bottom mud dehydration, a crushing device for crushing clinker after dehydration, a drying device for drying the crushed clinker and a carbonation device for converting the dried clinker into carbonized sludge. The river and lake sludge harmless treatment system is easy to operate, needs short sludge treatment time and has a small occupied land area.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a system and method for harmless treatment of river and lake sludge. Background technique [0002] In my country's water conservancy and water environment treatment projects, a large amount of sludge is produced every year, and the annual dredging volume in the Pearl River Delta has reached 100 million cubic meters. Among them, only the Maozhou River treatment in Shenzhen, Guangdong Province is taken as an example. The amount of mud to be treated has reached about 15 million cubic meters. The river bottom silt will cause serious water pollution and require thorough dredging. At present, the sludge treatment method is usually based on expropriating land to pile up sludge. However, with the land demand for urban construction, the shortage of industrial and agricultural land, and the enhancement of public awareness of environmental protection, the existing sludge treatment m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F11/12C02F11/14C02F11/10C02F11/02C10L5/46
CPCC02F11/00C02F11/004C02F11/008C02F11/02C02F11/10C02F11/12C02F11/122C02F11/14C02F2101/20C02F2101/30C02F2103/007C02F2303/02C02F2303/06C10L5/46Y02E50/10Y02E50/30Y02W10/20
Inventor 徐小明陈海萍
Owner 江门市三清环境技术工程有限公司
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