Fire-Resistant Cargo Container Insulation for CSC Compliance
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Solution Overview
Problem
Existing cargo containers lack fire-resistant features necessary for safely transporting flammable goods while maintaining compliance with the CSC Convention, limiting their use to stationary warehouses.
Innovation Solution
A cargo container with a cuboidal shape, featuring internal mineral wool insulation, transom structures, and specialized seals, along with a ventilation system, ensuring fire resistance and compliance with CSC standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a container is modified to achieve fire resistance properties, then fire resistance is improved, but the container loses its cargo container properties under the CSC Convention
Solution Approach 1:
The container structure is segmented into distinct functional layers: fire-resistant insulation layers (mineral wool, intumescent coatings) are separated from the structural cargo container shell. This allows the fire protection functions to be added without compromising the structural integrity and CSC compliance of the base container.
Solution Approach 2:
The container employs composite construction combining fire-resistant materials (mineral wool insulation, intumescent coatings, fire-resistant seals) with the standard cargo container structure. This composite approach achieves fire resistance while preserving the cargo container's structural properties and CSC certification eligibility.
2Reliability
If fire-resistant materials are added to the container, then fire resistance is improved, but the container weight increases
Solution Approach 1:
The container uses mineral wool insulation, which is a porous material providing fire resistance and thermal insulation. The porous structure delivers effective fire protection with relatively low density, minimizing the weight penalty compared to solid fire-resistant materials.
Solution Approach 2:
The fire protection system uses intumescent coatings that change their physical parameters when exposed to fire - they expand and form a protective char layer. This allows thin coating layers to provide substantial fire resistance, minimizing the added weight while maintaining effective fire protection.
3Reliability
If the container is designed for fire resistance, then fire safety is improved, but the complexity of the container structure increases
Solution Approach 1:
Fire-resistant materials and insulation layers are pre-installed during container manufacturing, integrating fire protection into the container's construction. This preliminary incorporation of fire safety measures simplifies the overall structure compared to adding separate fire protection systems later, while ensuring fire resistance is built-in from the start.
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 container provides safe transport and storage of flammable goods, meeting A60/REI60 classification and CSC requirements, allowing mobility and reducing fire risks by containing fires within the container.
Implementation Method 1
The cargo container is also internally lined with mineral wool
Implementation Method 2
Each container door wing comprises an expanding seal on a surface of the container door wing
Implementation Method 3
an air intake (35) provided with a fire-proof swelling grating (37)
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The invention relates to a cargo container with increased fire resistance. The object of the invention is a cargo container 1 in the shape of a cuboid, which cuboid is defined by external partitions, which include a floor 2, a ceiling 3, two side walls 4, a rear wall 5 and a container door 6 forming the body of the cargo container 1. The cargo container 1 according to the present invention is further provided with container corner castings 7, corresponding to standard container corner castings known in the state of the art. The outer partitions of the cargo container 1, excluding the floor 2, are manufactured from trapezoidal sheets, as is the case in conventional ISO cargo containers. The basis for ensuring such resistance was the proper design of the insulation systems of external partitions, with particular emphasis on the insulation of container doors 6.