Steam Conditioning Valve Trim Assembly in Confined Spaces
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Solution Overview
Problem
The installation and maintenance of steam conditioning valves in industrial facilities are hindered by space constraints and the need for heavy equipment, as these valves are often mounted horizontally and require robust components, making conventional assembly tools ineffective.
Innovation Solution
A specialized tool that includes a support structure to secure and position the valve trim assembly, allowing for localized assembly and installation within the narrow space constraints, using hardware that integrates with the valve body and actuator to facilitate the placement of the diffuser, cage, and closure member without interfering with adjacent equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional assembly tools are used for horizontally-mounted steam conditioning valves, then the valve trim assembly can be installed, but the space constraints and heavy weight of components make the assembly process difficult and require additional heavy equipment
Solution Approach 1:
The assembly tool is divided into multiple functional segments: a support structure with vertical support members, a platform for component placement, and an actuator mechanism. This segmentation allows each part to perform its specific function independently, enabling assembly in confined spaces without requiring a single large complex tool.
Solution Approach 2:
The tool transitions from horizontal to vertical orientation by using vertically-extending support members that extend above the valve body. This vertical dimension provides the necessary workspace and leverage for assembling heavy trim components without requiring horizontal space that would interfere with adjacent equipment.
2Weight of moving object
If heavy equipment is used to lift and position the valve trim assembly, then the components can be installed, but the equipment is unwieldy and interferes with adjacent equipment
Solution Approach 1:
The support structure utilizes the valve body's own flange and mounting holes as part of the assembly mechanism. The tool attaches directly to the valve body, using its structure to provide support and positioning, thereby eliminating the need for separate heavy lifting equipment and reducing overall system complexity.
Solution Approach 2:
The actuator is designed to perform multiple functions: it provides mechanical leverage for positioning the closure member, supports the weight of trim components during assembly, and can be used for both installation and maintenance operations. This multi-functionality eliminates the need for multiple specialized heavy equipment pieces.
3Adaptability or versatility
If the valve body is mounted horizontally as required by the process layout, then the valve can be installed in the pipeline, but the assembly of valve trim becomes complicated due to space constraints
Solution Approach 1:
Instead of assembling the trim horizontally as would be natural for a horizontal valve body, the tool inverts the assembly approach by using vertically-oriented support members and a horizontally-extending platform. This allows technicians to work in a vertical orientation that provides better access and leverage while maintaining the horizontal valve installation orientation.
Data Source
AI summary
A tool configured for use to assemble and install trim into a steam conditioning valve. These configurations can include a device that mounts in place of a bonnet and an actuator that technicians remove from the valve. The device can cantilever the trim assembly, essentially providing a platform on which technicians can slide the trim assembly into the valve body (or out of the valve body) to complete install or repair of the device. As an added benefit, technicians can also use the device to assemble the trim in proximity to the subject valve.