Mobile Watercraft for Alkaline Suspension Neutralization
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Solution Overview
Problem
Existing methods for neutralizing acidic opencast mining lakes are either cost-prohibitive or limited by the availability of alkaline substances, and require repeated aftercare treatments to maintain neutral water conditions, making it difficult to connect these lakes to public watercourses due to ongoing acid generation from groundwater and oxidation processes.
Innovation Solution
A mobile watercraft combining a suction device, dosing unit, conveyor, and distribution system for spraying alkaline suspensions onto the water surface, allowing for efficient neutralization and aftercare with a high degree of material conversion, suitable for initial treatment and repeated applications, and designed for transportation between locations with a compact and non-corrosive design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If floating distribution pipelines are used for in-lake neutralization, then deacidification effectiveness is improved, but cost increases to prohibitive levels
Solution Approach 1:
The system divides the neutralization function into discrete modular components: a self-propelled vessel carries storage tanks for alkaline substances, a dosing device for precise substance delivery, and distribution nozzles for targeted application. This segmentation replaces the continuous floating pipeline infrastructure with mobile, on-demand neutralization units that can be deployed flexibly without permanent installation costs.
Solution Approach 2:
The watercraft is designed as self-propelled with integrated storage, dosing, and distribution systems, eliminating the need for external support infrastructure such as floating pipelines, buoyancy systems, and remote control mechanisms. The vessel autonomously navigates and performs neutralization operations, converting a complex infrastructure-dependent system into a self-sufficient mobile platform.
2Adaptability or versatility
If alkaline substances are transported from distant locations, then treatment coverage is improved, but cost increases due to transport requirements
Solution Approach 1:
The watercraft is designed as a universal platform capable of transporting and applying multiple types of alkaline substances (quicklime, hydrated lime, dolomite, caustic soda) to various water bodies. The standardized vessel with interchangeable storage tanks and dosing systems can serve different treatment locations and substance requirements, eliminating the need for location-specific infrastructure and reducing per-trip transport costs through optimized routing.
Solution Approach 2:
The system transitions from static, location-fixed neutralization infrastructure to dynamic mobile units that can adapt their position and operation based on water body conditions, substance availability, and treatment needs. The self-propelled vessels dynamically route between treatment locations, optimizing transport efficiency and reducing costs compared to fixed infrastructure that requires substances to be transported to each specific location.
3Stability of the object's composition
If repeated aftercare treatments are applied to maintain neutral conditions, then water quality stability is improved, but time and resource consumption increase
Solution Approach 1:
The system implements monitoring of water body pH levels and acidification trends to determine when and where aftercare treatments are needed. By using feedback from water quality measurements, the mobile neutralization units can target their applications precisely, avoiding unnecessary treatments and optimizing the timing and dosage of alkaline substance application to maintain neutral conditions with minimal resource consumption.
Solution Approach 2:
The dosing device applies alkaline substances in precisely controlled partial doses rather than continuous excessive application. This allows maintenance of neutral water conditions through targeted, minimal interventions that correct acidification as it occurs, reducing overall time and resource consumption compared to both continuous application and waiting for extreme acidification before treatment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The watercraft enables cost-effective and efficient neutralization of large bodies of water with a high degree of alkalinity conversion, reducing the need for frequent treatments and allowing for the use of various alkaline substances, ensuring economic viability and wide-area coverage.
Implementation Method 1
a suction device (3) for extracting water from the lake to be neutralized
Implementation Method 2
distribution nozzles (6a, 6b) arranged on the front deck for spraying the suspension produced in the metering device (4) onto the water surface
Data Source
Figure 1
Figure 2~3
Figure 4~6
AI summary
The invention relates to a self-propelled water vehicle (1) for introducing alkaline materials into bodies of water. The invention is characterized in that the water vehicle (1) has at least one supply container (2) for alkaline materials, at least one intake device (3) for water from the body of water, at least one metering device (4) for producing a suspension, and at least one delivery pump (5) and at least one distributor nozzle (6a, b), connected to the least one delivery pump (5), for spraying the suspension onto the water surface, the water vehicle (1) being dimensioned with regard to dimensions and empty weight such that it can be transported overland to the respective usage location thereof using a transport vehicle (7).