Liquid Polymer Dosing Chamber and Pump for Variable-Pressure Blends

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Solution Overview

Problem

Existing polymer blending systems face issues with variable blends due to low inlet pressure, leading to increased consumption costs and production instability, and components like the stator are difficult to replace and time-consuming to maintain.

Innovation Solution

A liquid polymer dosing and mixing chamber with a hollow chamber, blending reactor, and pump housing, featuring a mixing cup with serrated protrusions and an aging cup, driven by a submersible actuator, which includes a transparent design for internal visibility and easy component replacement, and a progressive cavity pump for consistent mixing.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If high inlet water pressure is used to maintain constant blend, then mixing consistency is improved, but system complexity and energy consumption increase

Engineering Contradiction:

Improveblend consistencyVSAvoidenergy consumption

Core Design Contradiction:

Stability of the object's compositionVSUse of energy by moving object

Solution Approach 1:

The system uses the incoming water flow itself to drive the mixing process. The water pressure activates the impeller and drives the mixing action without requiring additional energy input, making the system self-sufficient and energy-efficient while maintaining consistent blends

Inventive Principle:

Principle #25Self-service

2Stability of the object's composition

If polymer dosing pump capacity is increased to maintain blend in variable pressure systems, then blend consistency is improved, but operational costs increase

Engineering Contradiction:

Improveblend consistencyVSAvoidpolymer consumption

Core Design Contradiction:

Stability of the object's compositionVSQuantity of substance

Solution Approach 1:

The mixing system automatically adapts to varying inlet pressures by using the available water flow to drive the mixing process, eliminating the need for additional polymer dosing to compensate for poor mixing under variable pressure conditions

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system allows mixing parameters (impeller speed, flow rate) to vary with inlet pressure conditions, optimizing performance across different operating conditions without requiring constant high polymer dosing rates

Inventive Principle:

Principle #35Parameter changes

3Stability of the object's composition

If production is decreased to maintain process stability in variable blend systems, then blend consistency is improved, but productivity decreases

Engineering Contradiction:

Improveprocess stabilityVSAvoidproduction rate

Core Design Contradiction:

Stability of the object's compositionVSProductivity

Solution Approach 1:

The system dynamically adapts to varying inlet pressures by allowing the water flow itself to adjust the mixing intensity, enabling continuous operation at full production rates while maintaining blend consistency across different pressure conditions

Inventive Principle:

Principle #15Dynamics

4Ease of repair

If stator replacement is performed in traditional systems, then component maintenance is achieved, but maintenance time and difficulty increase

Engineering Contradiction:

Improvecomponent replacementVSAvoidmaintenance time

Core Design Contradiction:

Ease of repairVSLoss of time

Solution Approach 1:

The pump assembly is divided into separable components with the stator designed as an independent, easily removable element, allowing quick replacement without disassembling the entire pump housing or mixing chamber

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The stator is extracted as a separate replaceable component that can be removed and replaced independently from the main pump assembly, significantly reducing maintenance time and complexity

Inventive Principle:

Principle #2Taking out (Extraction)

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

Ensures consistent polymer blends despite varying inlet pressures, reduces operational costs, and facilitates quick and easy maintenance of components, particularly the stator, enhancing system stability and efficiency.

Implementation Method 1

rotation of the rotor in the progressive cavity pump creates a vacuum that pulls a first substance from the inlet towards the blending reactor for mixing

Methodology Applied

Scientific EffectVacuum: Vacuum

Implementation Method 2

one or more impellers that are adapted to mix the one or more substances in the blending reactor during operation

Methodology Applied

Scientific EffectMixing: Stirring

Implementation Method 3

each section or compartment of the mixing cup includes one or more jagged or serrated protrusions configured to mix the one or more substances coming from the one or more openings

Methodology Applied

Scientific EffectMechanical mixing: Stirring

Data Source

PatentUS12453946B2Liquid polymer dosing and mixing chamber and pump

Publication Date: 2025.10.28 MERCADO ALVARADO ADALBERTO

AI summary

A liquid polymer dosing and mixing chamber and pump having a hollow chamber, a blending reactor, a progressive cavity pump, a mixing cup, a submersible actuator, and an aging cup within the hollow chamber adapted to create doses, via the progressive cavity pump, of a first substance and to mix it with one or more substances introduced into the blending reactor via one or more inlets.