Pulse Controlled Material Delivery System for Dense Slug Transport

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Solution Overview

Problem

Prior dilute phase pneumatic material delivery systems experience material degradation, dust generation, clogging, and measurement difficulties due to high speeds and diluted material concentrations, leading to inefficient and costly operations.

Innovation Solution

A system that conveys material in pulses of dense slugs, reducing fluid mixing and increasing solid-to-fluid ratio, allowing for lower velocities, enhanced material density, and improved measurement capabilities, with adjustable delivery rates and self-cleaning mechanisms.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If material is conveyed at high speeds in dilute phase systems, then sufficient material volume can be delivered in the allotted time, but material degradation occurs and dust and streamers are generated that clog the system

Engineering Contradiction:
Improvematerial delivery volumeVSAvoidsystem clogging
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The system uses periodic pulsing action to convey material in dense slugs rather than continuous dilute flow. The pulsing mechanism creates intermittent dense-phase material movement through the piping system, allowing material to be delivered in concentrated bursts that maintain reliability while achieving required delivery volumes.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system changes the concentration parameter from dilute phase to dense phase by increasing the solid-to-fluid ratio. This parameter change allows material to be conveyed at lower velocities in a more concentrated form, reducing degradation and clogging while maintaining productivity through increased material density in the flow.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If material is conveyed at high speeds, then required material volume is delivered in allotted time, but wear and deterioration on piping occurs

Engineering Contradiction:
Improvematerial delivery speedVSAvoidpiping durability
Core Design Contradiction:
ProductivityVSStrength

Solution Approach 1:

The system changes the velocity parameter by conveying material at lower speeds while compensating with increased material density. This parameter change reduces the mechanical stress and wear on piping components while maintaining the required material delivery volume through the dense slug approach.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If material is diluted with system fluid, then material can be conveyed through piping, but measuring the amount of material being conveyed becomes difficult

Engineering Contradiction:
Improvematerial conveyabilityVSAvoidmaterial throughput measurement
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The system changes the concentration parameter from dilute to dense phase, which significantly improves measurement precision. The high solid-to-fluid ratio in dense slugs makes it easier to measure and track material throughput, while the system maintains conveyability through the pulsing mechanism that periodically moves material through the piping.

Inventive Principle:
Principle #35Parameter changes

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 reduces material and piping degradation, prevents clogging, and simplifies material measurement, achieving efficient and cost-effective material delivery with reduced energy consumption and improved throughput control.

Implementation Method 1

A pump creates a vacuum in the piping so as to draw material from a source through the piping toward the pump.

Methodology Applied
Scientific EffectVacuum: Vacuum

Implementation Method 2

A pump creates a vacuum in the piping so as to draw material from a source through the piping toward the pump.

Methodology Applied
Scientific EffectPressure differential: Pressure Gradient

Implementation Method 3

The system conveys material through system piping or conduits in pulses of relatively dense slugs or pistons of materials.

Methodology Applied
Scientific EffectPulsing flow:

Data Source

PatentUS9745149B2Material delivery system
Publication Date: 2017.08.29 IPEG INC
  • US9745149B2 patent drawing
  • US9745149B2 patent drawing

AI summary

The invention relates to material delivery systems and particularly to pulse controlled material delivery systems.