An integrated treatment process for river and lake sludge dehydration and consolidation

Abstract

The invention discloses an integrated treatment process of river and lake sludge dehydration and consolidation. The process method is as follows: the river and lake silt is sucked by the cutter suction vessel and transported to the garbage sorter by the pipeline conveying pump, and the sorted sand and gravel are sent for treatment; the silt after separating the sand and gravel flows into the mud storage tank for storage. ;Under the action of the transfer pump, the sludge in the mud storage tank is transported to the high-efficiency concentration tank for rapid concentration, the supernatant enters the clean water discharge tank, and the concentrated mud is transported to the bottom mud conditioning device by the transport pump, and is transported by the dosing pump. The medicament is conditioned, and the conditioned mud is sent to a special high-pressure press for river and lake dredging through a plunger pump for dehydration treatment to a moisture content of less than 50%. The process adopts advanced system equipment and more reasonable and perfect process route, has higher treatment efficiency and better dehydration efficiency, and can achieve better environmental and social benefits.

Description

technical field [0001] The invention belongs to the technical field of dehydration and consolidation of river and lake sludge resources, and relates to an integrated dehydration and consolidation treatment process of river and lake sludge. Background technique [0002] With the release of the "Water Pollution Prevention and Control Action Plan" document, it is required that by 2020, black and odorous water bodies in built-up areas of cities at the prefecture level and above must be controlled within 10%; by 2030, urban black and odorous water bodies must be eliminated. For this reason, the severity and importance of black and odorous water treatment projects have become very clear. In the "Guidelines for the Remediation of Urban Black and Odorous Waters", one of the proposals to speed up the implementation of urban black and odorous waters treatment projects: source control and interception, internal source treatment, ecological restoration, and quality assurance of running ...

AI Technical Summary

Problems solved by technology

[0003] Previously, the dredged sludge was simply dehydrated by belt filter press, plate and frame filter press, etc. The water content after treatment was relatively high, and the treatment efficiency of the dewatering system was low, and the process design was too rough. , it is necessary to design a river and lake sludge dehydration treatment process with reasonable process route design, advanced system equipment, high treatment efficiency and dehydration effect

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