Coated Ice Melting Composition with Segmented Particle Sizes

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Solution Overview

Problem

Existing ice melting compositions are inefficient in melting ice due to limitations in particle size distribution and binder properties, leading to suboptimal ice breaking and melting performance.

Innovation Solution

An ice melting composition comprising a coarse deicing particle nucleus coated with a fine deicing particle coating, bonded with a sodium chloride brine containing yellow prussiate of soda, which enhances the ice melting capabilities by optimizing particle size ranges and binder selection to improve the melting efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional ice melting compositions are used, then ice melting is achieved, but melting efficiency is insufficient due to limitations in particle size distribution and binder properties

Engineering Contradiction:

Improveice melting efficiencyVSAvoidmelting performance consistency

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The invention segments the ice melting composition into two distinct particle size ranges: coarse particles (500-2000 μm) for structural integrity and deep penetration, and fine particles (20-600 μm) for rapid ice contact and melting. This segmentation allows each particle size to perform its optimal function, thereby improving overall melting efficiency and performance consistency.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention changes the particle size parameters by establishing specific size ranges for coarse and fine particles, and modifies the binder composition to include yellow prussiate of soda in controlled amounts (0.1-5% by weight). These parameter changes optimize the physical and chemical properties of the composition, enhancing both melting efficiency and reliability.

Inventive Principle:

Principle #35Parameter changes

2Speed

If coarse particles are used for ice melting, then deep penetration is achieved, but melting speed is reduced due to larger particle size

Engineering Contradiction:

Improvemelting speedVSAvoidparticle size

Core Design Contradiction:

SpeedVSLength of stationary object

Solution Approach 1:

The invention divides the particle population into coarse (500-2000 μm) and fine (20-600 μm) segments. The fine particles provide rapid melting speed through increased surface area contact with ice, while the coarse particles ensure deep penetration and structural stability. This segmentation resolves the contradiction between particle size and melting speed.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention creates a composite particle system where coarse and fine particles work synergistically. The composite structure combines the advantages of both particle sizes: coarse particles for penetration and fine particles for rapid melting action, achieving both deep penetration and fast melting speed simultaneously.

Inventive Principle:

Principle #40Composite materials

3Reliability

If binder is added to bond particles, then particle coating is achieved, but freezing point depression is limited without appropriate binder selection

Engineering Contradiction:

Improvelow temperature performanceVSAvoidfreezing point

Core Design Contradiction:

ReliabilityVSTemperature

Solution Approach 1:

The invention changes the chemical composition parameters of the binder by incorporating yellow prussiate of soda (sodium ferrocyanide) in specific concentrations (0.1-5% by weight of total composition). This chemical parameter change significantly depresses the freezing point of the binder solution, enabling reliable performance at lower temperatures while maintaining proper particle bonding.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The binder acts as an intermediary substance that performs dual functions: bonding the coarse and fine particles together to maintain structural integrity, and simultaneously depressing the freezing point through its chemical composition. The yellow prussiate of soda in the binder mediates between the need for particle adhesion and low-temperature fluidity.

Inventive Principle:

Principle #24Intermediary (Mediator)

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 composition demonstrates improved ice melting characteristics, with smaller particle sizes melting ice faster and the binder preventing freezing at low temperatures, resulting in enhanced performance compared to traditional compositions.

Implementation Method 1

The binder is a sodium chloride brine with yellow prussiate of soda

Methodology Applied

Scientific EffectFreezing point depression: Freezing

Implementation Method 2

smaller particle sizes melting ice faster

Methodology Applied

Scientific EffectMelting: Melting

Data Source

PatentUS9458368B2Coated ice melting compositions

Publication Date: 2016.10.04 MORTON SALT INC

AI summary

Ice melting compositions, methods for manufacturing ice melting compositions, and methods for melting ice are disclosed. The ice melting compositions can include a coarse deicing particle nucleus and a fine deicing particle coating substantially surrounding the coarse deicing particle nucleus. The fine particle coating can be attached or bonded to the coarse particle nucleus with a binder. The coarse particle nucleus and the fine particle coating can have a variety of particle sizes.