Hydrogen Bright Radiator Emissions Reduction

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Solution Overview

Problem

Modern bright radiators still emit harmful substances like carbon monoxide, carbon dioxide, and hydrocarbons, despite achieving good waste gas values and efficacy, and there is a need to further reduce these emissions while maintaining performance.

Innovation Solution

The bright radiator is designed with a hydrogen fuel source, angled hydrogen and combustion air flow, a reflector enclosing the radiant panel, an ejector for mixing combustion air and waste gases, and an optical sensor for flame detection, which allows for precise control of the combustion process to minimize harmful emissions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If natural gas or liquefied gas is used as fuel gas in bright radiators, then good heating efficacy is achieved, but harmful substances such as carbon monoxide, carbon dioxide, and hydrocarbons are emitted during combustion

Engineering Contradiction:
Improveheating efficacyVSAvoidharmful substance emissions
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent changes the chemical composition parameter of the fuel from carbon-based gases (natural gas, liquefied gas) to hydrogen. This fundamental parameter change eliminates carbon-containing harmful emissions while maintaining combustion heating efficacy, as hydrogen combustion produces only water vapor.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent employs a distributor panel with numerous small openings that creates a distributed pattern of short-lived micro-flames across the radiant panel surface. This approach ensures complete combustion of hydrogen in brief, localized reaction zones, eliminating harmful emissions while maintaining effective heat radiation.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Stability of the object's composition

If the hydrogen flow and combustion air flow are set at an angle less than or equal to 90 degrees and greater than or equal to 45 degrees, then good mixing of hydrogen and combustion air is achieved, but the combustion process becomes more complex to control

Engineering Contradiction:
Improvemixing qualityVSAvoidflow control complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent creates locally optimized flow conditions at the distributor panel where hydrogen emerges through numerous small openings. The angled configuration (45-90 degrees) between hydrogen flow and combustion air creates localized mixing zones that ensure complete combustion without requiring complex global control systems.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The combustion process is segmented into numerous small, independent combustion zones corresponding to the distributor panel openings. Each opening creates a localized micro-flame with its own mixing characteristics, and the overall combustion stability emerges from the collective behavior of these segmented zones rather than requiring control of a single large flame.

Inventive Principle:
Principle #1Segmentation

3Object-generated harmful factors

If waste gases are recirculated into the combustion air mixing space, then nitrogen oxide emissions are reduced and flame temperature is lowered, but the combustion air composition becomes more difficult to control

Engineering Contradiction:
Improvenitrogen oxide emissionsVSAvoidcombustion air control
Core Design Contradiction:
Object-generated harmful factorsVSDevice complexity

Solution Approach 1:

The patent converts the potentially harmful effect of high flame temperatures (which produce nitrogen oxides) into a benefit by recirculating waste gases. The recirculated waste gases act as a cooling medium that lowers flame temperature and reduces nitrogen oxide formation, while the ejection effect simultaneously ensures proper mixing and prevents combustion instability.

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The ejector device serves as an intermediary mechanism that mediates between the recirculated waste gases and the fresh combustion air. It uses the kinetic energy of combustion air to draw in and mix waste gases in a controlled manner, maintaining proper oxygen levels without requiring complex control systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Measurement precision

If an ejector is used to mix combustion air and waste gases with a defined ratio, then precise control of combustion air composition is achieved, but the device structure becomes more complex

Engineering Contradiction:
Improvecombustion air ratio controlVSAvoidejector structure
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent employs pneumatic principles through the ejector device, which uses the kinetic energy and pressure differential of combustion air to draw in and mix waste gases. This pneumatic mixing mechanism achieves precise control of the combustion air composition ratio without requiring mechanical moving parts, complex valves, or electronic control systems.

Inventive Principle:
Principle #29Pneumatics and hydraulics

Solution Approach 2:

The ejector replaces complex mechanical mixing systems with a pneumatic field-based solution. By utilizing fluid dynamics and pressure differentials rather than mechanical pumps or mixers, the device achieves precise ratio control with simpler structure and fewer moving parts.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

This configuration reduces harmful substance emissions by ensuring complete combustion and optimizing the combustion air and hydrogen mixture, maintaining high efficacy and reducing nitrogen oxide emissions.

Implementation Method 1

a fan (3), which is set up for supplying combustion air to the burner (1)

Methodology Applied
Scientific EffectForced Convection: Forced Convection

Implementation Method 2

the burner (1) is set up for bringing about whole-area glowing of the radiant panel (12)

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 3

infrared radiators are frequently used for heating production and warehousing sites. These radiators produce infrared radiation, which is utilized to produce heat

Methodology Applied
Scientific EffectThermal Radiation: Thermal Radiation

Implementation Method 4

the waste gas space is connected to the combustion air mixing space by way of an ejector, wherein the driving medium of the ejector is combustion air introduced by means of the fan

Methodology Applied
Scientific EffectVenturi Effect: Venturi Effect

Data Source

PatentUS20240280259A1Bright radiator
Publication Date: 2024.08.22 SCHWANK GMBH
  • US20240280259A1 patent drawing
  • US20240280259A1 patent drawing

AI summary

A bright radiator includes a burner, a fan and a radiant panel functioning as a radiating surface and having flame through-channels, wherein the burner is connected to a fuel gas supply, wherein the fan is designed to supply the burner with combustion air, wherein the burner is designed to bring about extensive glowing of the radiant panel, and wherein the fuel gas supply is connected to a hydrogen source as a fuel gas source.