Wet Well Pumping System Alignment Platform
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Solution Overview
Problem
The installation and servicing of wet well pumping systems are laborious and time-consuming due to custom installation requirements and the need for on-site alignment and potential safety hazards, especially when dealing with uneven floors and corrosion issues.
Innovation Solution
A standardized wet well pumping system using alignment platforms and covers to precisely locate and orient pumps and risers, allowing for 'top-down' installation and easy servicing without direct anchoring to the floor, along with features like adjustable legs and a hatch for improved access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If pumps and elbows are bolted directly to anchored studs on the well floor, then the system can be securely installed, but the installation becomes laborious and time-consuming due to the need for custom alignment and potential floor leveling
Solution Approach 1:
The system is divided into modular components: a standardized well floor assembly with pre-positioned studs, removable pumps, and interchangeable elbows. This segmentation allows each component to be prepared independently and assembled systematically, reducing on-site customization and alignment time while maintaining secure installation.
Solution Approach 2:
The well floor assembly is prepared in advance with studs permanently anchored in predetermined locations before the pump installation. This preliminary positioning of anchoring points eliminates the need for on-site measurement and alignment, allowing pumps to be directly bolted to pre-positioned studs, thereby reducing installation time and labor.
2Reliability
If pumps are custom-installed and bolted to the floor, then they can be securely anchored, but servicing and replacement becomes time-consuming and hazardous requiring multiple personnel and breaking pipes or bolts
Solution Approach 1:
The pump assembly is segmented from the floor structure through the use of removable fasteners rather than permanent anchoring. This allows the pump to be securely anchored during operation while enabling quick removal and replacement by simply unbolting the pump from the floor studs, eliminating the need to break pipes or bolts during maintenance.
Solution Approach 2:
The anchoring system transitions from a static permanent installation to a dynamic removable configuration. The pump can be securely fastened to the floor studs during normal operation but can be quickly unfastened and removed when servicing is required, providing both secure anchoring and ease of replacement.
3Manufacturing precision
If clearance holes in the cover are enlarged on the job site to achieve alignment, then the risers can be properly aligned, but the installation process becomes more complex and time-consuming
Solution Approach 1:
The clearance holes in the cover are pre-sized and pre-positioned during manufacturing to match the dimensions and locations of the riser outlets. This preliminary precision work eliminates the need for on-site enlargement or alignment adjustments, maintaining manufacturing precision while reducing installation complexity to simple bolt-on assembly.
4Object-affected harmful factors
If multiple personnel are deployed for pump removal and replacement, then safety can be monitored, but the servicing process becomes more time-consuming and resource-intensive
Solution Approach 1:
The hazardous elements are extracted or minimized: the pump design incorporates built-in lifting provisions and quick-release fasteners that allow single-person removal, eliminating the need for multiple personnel. The system extracts the pump from the well through a designed access path that reduces exposure to hazardous environments, maintaining safety while reducing service time and personnel requirements.
Data Source
AI summary
A wet well pumping system and a method of installing and servicing the same in a wet well include mounting a pair of bent elbows having pump inlets and riser outlets on an alignment platform having a centerline, configuring the riser outlets to extend along longitudinal axes generally parallel to, and located at substantially equal distances from, the centerline of the platform, overlying the wet well with an alignment cover having a centerline and a pair of riser clearance holes, configuring the riser clearance holes to extend through the cover at the substantially equal distances from the centerline of the cover, passing a pair of upright risers through the riser clearance holes along longitudinal axes generally parallel to the centerline of the cover, aligning the longitudinal axes of the risers with the longitudinal axes of the riser outlets, connecting the risers to the aligned riser outlets, securing the platform to a floor of the well after the risers are connected to the aligned riser outlets, connecting a pair of submersible pumps inside the well to the pump inlets of the bent elbows, and pumping waste water from the well though the bent elbows and the risers to outside the well.