Steam Hose Internal Liner for High-Velocity Vibration Control
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Solution Overview
Problem
Current steam hoses for chemical cleaning applications face issues such as high-frequency vibrations leading to cracks, limited pressure ratings, and safety hazards due to whipping ends, especially when handling high-velocity steam, and existing alternatives like hard piping are heavy, expensive, and complicated.
Innovation Solution
A system comprising an external braided liner, an intermediate corrugated liner, and an internal braided liner, where the internal braided liner is made of stainless steel to reduce vibrations, prevent hose separation, and minimize pressure drop, while also mixing cleaning agents with steam to create a volatilized mixture for effective chemical cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-velocity steam is passed through corrugated steam hoses, then cleaning effectiveness is improved, but high-frequency vibrations occur leading to cracks in over-stressed zones
Solution Approach 1:
The hose is segmented into multiple functional layers: an inner smooth liner for steam flow, an intermediate corrugated layer for flexibility and vibration absorption, and an outer braid for structural strength. This segmentation allows each layer to address specific requirements without compromising others.
Solution Approach 2:
The hose employs a composite structure combining different materials and geometries: stainless steel or polymer liner, corrugated intermediate layer, and braided outer layer. This composite design provides both the smooth flow path needed for high-velocity steam and the mechanical strength to withstand vibrations.
2Reliability
If throttling is applied to reduce steam velocity, then hose integrity is maintained, but cleaning productivity decreases
Solution Approach 1:
By segmenting the hose into functional layers, the invention eliminates the need for throttling. The inner smooth liner allows high-velocity steam flow while the intermediate and outer layers provide vibration damping and structural support, respectively.
Solution Approach 2:
The invention converts the harmful high-frequency vibrations into a beneficial design feature by incorporating an intermediate corrugated layer specifically designed to absorb and dampen these vibrations, allowing high-velocity steam to pass through without causing damage.
3Stress or pressure
If interlocked liner is used in steam hose, then pressure rating is improved, but weight and cost increase
Solution Approach 1:
The reinforcement is applied locally where needed - the outer braid provides structural support and pressure containment, while the inner liner maintains a smooth flow path. This localized quality distribution optimizes both pressure rating and weight.
Solution Approach 2:
The invention changes the structural parameters by using a braided outer layer instead of a solid interlocked liner, providing equivalent or superior pressure containment with reduced weight and improved flexibility.
4Ease of operation
If corrugated hose is used for flexibility, then bending ability is improved, but vibration-induced cracks occur at high velocity
Solution Approach 1:
The hose is divided into functional segments: the intermediate corrugated layer provides flexibility and bending ability, while the inner smooth liner and outer braid protect against vibration-induced cracks by providing structural support and vibration damping.
Solution Approach 2:
The intermediate corrugated layer acts as an intermediary between the inner liner and outer braid, providing flexibility while the outer braid serves as a protective mediator that prevents vibration from causing cracks in the structural layers.
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 system effectively delivers high-pressure steam and cleaning agents at high temperatures, reducing vibrations and pressure drop, enhancing safety and efficiency by preventing hose separation and maintaining structural integrity, while allowing for higher velocity flow without the need for throttling.
Implementation Method 1
The junction is configured to mix the cleaning agent with the steam into a volatilized mixture
Implementation Method 2
High velocity steam passing through the hose can cause high frequency vibrations leading to cracks in over-stressed zones. The internal braided liner is configured to reduce hose separation in response to failure and reduce vibrations
Implementation Method 3
The external braided liner has a first bore therethrough. The intermediate liner is positioned in the first bore and has a second bore therethrough. The internal liner is positioned in the second bore and has a third bore therethrough. The third bore is configured to communicate the volatilized mixture
Implementation Method 4
A first end ring can be affixed to ends of the external braided liner and the intermediate corrugated liner and can seal a first annulus of the first bore therebetween. A second end ring can be affixed to the ends of the intermediate corrugated liner and the internal braided liner and can seal a second annulus of the second bore therebetween
Data Source
AI summary
A hose conducts high-temperature steam combined with cleaning solution in a cleaning operation. The hose comprises an external liner, an intermediate conduit, and an internal liner. The external liner comprises first braiding and is disposed along a longitudinal length of the hose. The intermediate conduit is disposed in the external liner along the longitudinal length of the hose. The intermediate conduit has a plurality of corrugations disposed laterally in the tubular wall of the intermediate conduit. The internal liner comprises second braiding and is disposed in the intermediate conduit along the longitudinal length of the hose. The internal liner provided a full bore for the hose configured to conduct the high temperature steam combined with the cleaning solution in a volatilized mixture.