Embedded Anchor Assembly for Lifting Electrolytic Vessels Without Cracking
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Solution Overview
Problem
The maintenance and replacement of electrolytic vessels in hydrometallurgical refining processes are challenging due to dynamic loads that can cause cracking and insufficient space for lifting equipment, especially when vessels are positioned closely together.
Innovation Solution
An anchor assembly is integrated within the electrolytic vessel, providing anchorage to lifting devices and distributing dynamic loads, thereby reducing the risk of cracking and ensuring the integrity of the electrolytic cavity during lifting, transport, and placement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional lifting methods using external cables and straps are used, then the vessel can be lifted, but the dynamic loads cause cracking and damage to the electrolytic cavity
Solution Approach 1:
The patent applies preliminary action by pre-installing anchor assemblies within the vessel walls before lifting operations. These anchors are positioned in advance to provide predetermined load distribution paths, preventing cracking during the actual lifting process. The anchors are embedded in the concrete core with straps extending along the core walls, creating a prepared lifting infrastructure that eliminates the harmful effects of dynamic loads on the electrolytic cavity.
2Area of stationary object
If vessels are positioned closely together for space efficiency, then space is optimized, but there is insufficient space to pass cables and straps for lifting operations
Solution Approach 1:
The patent extracts the lifting attachment points from the external environment and relocates them internally within the vessel structure. By embedding anchor assemblies in the vessel walls with connectors accessible from the exterior, the system eliminates the need for external cables and straps that would require clearance space between vessels. This allows vessels to be positioned closely together while maintaining full lifting capability.
3Strength
If anchor assemblies are embedded in core walls, then dynamic loads are distributed effectively, but the complexity of vessel construction increases
Solution Approach 1:
The patent applies universality by designing anchor assemblies that serve multiple functions: they provide structural reinforcement to the core walls, distribute dynamic loads during lifting, and offer standardized attachment points for lifting accessories. The anchor assemblies with embedded straps and external connectors create a multi-functional element that simplifies the overall lifting system while enhancing structural strength.
Data Source
AI summary
A liftable electrolytic vessel including at least one anchor assembly being at least partially embedded in each of two opposed core walls to provide anchorage to a lifting accessory of a lifting device; and related method for lifting the electrolytic vessel. Each anchor assembly comprises an anchor having a strap slot, and a strap connected to the anchor and extending from the anchor along and inside at least a portion of the corresponding core wall. The anchor further includes a connector which is sized and configured to receive a fastener or engage a lifting accessory such as a chain or a hook. The anchor assembly may include one anchor provided at each end of the strap. A plurality of anchor assemblies may extend vertically and horizontally within a core of the vessel to offer various anchorage points from an outer surface of the core. Design of the anchor of a first anchor assembly may differ from the design of a second anchor assembly. A lifting accessory is further designed to be securable to each anchor of the vessel.