Liquid Polymer Dosing Chamber Actuator for Stator Maintenance
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Solution Overview
Problem
Standard polymer blending systems face challenges in maintaining consistent blends when inlet pressure drops, leading to increased operational costs and downtime due to frequent component replacements, particularly the stator, which lacks easy accessibility for maintenance.
Innovation Solution
A liquid polymer dosing and mixing chamber system comprising a pump housing, mixing reactor, spacing cup, actuator, drive shaft, drive shaft coupling unit, and a progressive cavity pump, designed to house a rotor and stator configuration that allows for efficient dosing and mixing while providing improved accessibility for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If high inlet water pressure is used to maintain consistent polymer blend, then blending consistency is improved, but system reliability deteriorates when pressure drops causing variable blends
Solution Approach 1:
The system incorporates a pressure sensor that continuously monitors inlet water pressure and provides feedback to a controller. When pressure drops below a threshold, the controller automatically adjusts the dosing pump capacity to maintain consistent polymer blend ratios, eliminating the need for manual intervention and ensuring reliability under varying pressure conditions
Solution Approach 2:
The dosing pump capacity is made dynamically adjustable through an actuator mechanism that can change the pump's operational parameters in real-time based on inlet pressure conditions, allowing the system to adapt to pressure fluctuations while maintaining blend consistency
2Stability of the object's composition
If polymer dosing pump capacity is increased to maintain blend consistency during pressure drops, then blend consistency is improved, but operational cost increases
Solution Approach 1:
The system changes operational parameters dynamically by adjusting dosing pump capacity only when inlet pressure drops below a threshold level. This selective parameter adjustment maintains blend consistency during critical pressure drops while avoiding unnecessary energy consumption during normal operating conditions, thereby reducing overall operational costs
3Ease of repair
If stator is designed for easy replacement to improve maintenance efficiency, then ease of repair is improved, but device complexity increases
Solution Approach 1:
The system is divided into modular segments with the stator, rotor, and pump housing designed as separate, interchangeable components. The stator can be independently removed and replaced without disassembling the entire pump assembly, significantly easing maintenance while adding minimal complexity through standardized modular interfaces
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 ensures consistent polymer blends regardless of inlet pressure fluctuations, reduces operational costs by minimizing the need for increased pump capacity and reduced production rates, and enhances maintenance efficiency with easy access to the stator and other components.
Implementation Method 1
a progressive cavity pump, wherein the pump housing comprises a longitudinal body having a top end and an opposing bottom end, and wherein said pump housing is adapted to house the progressive cavity pump; wherein the bottom end of the pump housing includes an inlet configured to receive a first substance and direct it into the progressive cavity pump; wherein the progressive cavity pump comprises a rotor and a stator, said rotor being configured to interact with and fit inside the stator
Implementation Method 2
the mixing reactor comprises a hollow tube having a top end and a bottom end opposite each other, and wherein said mixing reactor is configured to house the drive shaft; wherein the drive shaft comprises a longitudinal body having a top end, a bottom end, and one or more impellers, and wherein the one or more impellers are positioned between the top end and the bottom end of the drive shaft
Implementation Method 3
wherein the top end of the drive shaft coupling unit is coupled to the actuator, and the bottom end of the drive shaft coupling unit is coupled to the top end of the drive shaft; wherein the bottom end of the drive shaft is coupled to the coupling unit of the rotor; and wherein the actuator transmits rotational motion to the drive shaft, which in turn, drives the rotor
Data Source
AI summary
A liquid polymer dosing and mixing chamber and pump having a pump housing, a mixing reactor, a spacing cup, an actuator, a drive shaft, a drive shaft coupling unit, and a progressive cavity pump adapted to create doses of a first substance and to mix it with one or more substances introduced into the mixing reactor via one or more inlets.