Freely Suspended Drum Sack Cutter for Offshore Chemical Handling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing solutions for cutting and emptying chemical sacks on offshore drilling platforms are inefficient, pose health risks, and are not cost-optimal for mixing drill liquids, which require frequent adjustments.
Innovation Solution
A sack cutting machine with a freely suspended, belt-driven drum and guiding wheels, combined with a cutting screw and compression unit, allows for efficient separation and removal of sack contents while minimizing dust emission and operator risk, and enabling quick adjustments to mixture compositions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional sack cutting machines with fixed shafts and bearings are used, then the structure is stable and supportable, but the device complexity increases and the machine becomes less adaptable to frequent mixture changes
Solution Approach 1:
The drum is changed from a fixed supported structure to a freely suspended dynamic structure that rotates on belts. This allows the drum to be easily positioned and removed for cleaning and maintenance, enabling quick adaptation to different mixture requirements without complex reconfiguration of support structures
Solution Approach 2:
The support shafts and bearings are completely removed from the system. The drum is extracted from its traditional fixed mounting and suspended freely by belts, eliminating the complex support structure while maintaining functional stability during operation
2Object-affected harmful factors
If manual sack handling is used, then the equipment simplicity is maintained, but health risks to operators increase due to chemical exposure
Solution Approach 1:
The machine performs all sack handling operations automatically - cutting, opening, emptying, and collecting sacks without operator intervention. The system serves itself by mechanically processing sacks through the entire workflow, eliminating direct human contact with chemicals while maintaining operational efficiency
Solution Approach 2:
The machine acts as an intermediary between the sacks and the mixing system, handling all potentially hazardous operations remotely. The automated mechanism mediates the interaction between operators and chemical materials, protecting human operators from direct exposure to harmful substances
3Volume of moving object
If a complex supported drum structure is used, then the drum stability is ensured, but the machine footprint increases and compactness is reduced
Solution Approach 1:
The rigid support structure is replaced with flexible belts that suspend the drum. These belts provide the necessary support and stability while being space-efficient, allowing the drum to rotate freely without requiring a large rigid framework, thus reducing the overall machine footprint while maintaining operational reliability
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 solution provides a reliable, compact, and cost-effective means to automate the cutting and emptying of chemical sacks, ensuring safe operation and consistent drill liquid quality by reducing health hazards and operational costs, and allowing for rapid changes in mixture compositions.
Implementation Method 1
a freely suspended drum, the rotation of which is brought about by a belt
Implementation Method 2
a rotating drum provided with openings, through which the separated content of the packages is allowed to escape out of the drum
Implementation Method 3
through which the separated content of the packages is allowed to escape out of the drum
Data Source
AI summary
The invention relates to a sack cutting means (10) for offshore emptying of content from a package, comprising a means (11) for cutting up the package, means (21) for separating the package from its content and means (20) for removing the emptied package from the cutting means, said means (21) for separating the content at least from the package comprising means (13) for ripping the package open, one or more transporting means and a rotating drum (21) provided with openings through which the content separated from the package is allowed to leave the drum (18). Further, the sack cutting screw (11) is separated from the drum (18) and that below both the sack cutting screw (11) and the drum (17), a means (20) for collecting and transporting away the content of the sacks is arranged, said means being configured in such way that the content of the package is removed at one end, while the waste package is removed at the other end of said sack cutting means (10).