Firing System Shared Recovery Unit Space Reduction

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Solution Overview

Problem

Existing firing systems require a large installation space due to the need for multiple circulation lines and recovery units, one for each furnace, which increases space requirements significantly.

Innovation Solution

A firing system configuration where a single recovery unit is shared among multiple furnaces, with automatic transport devices moving saggars between furnaces and the recovery unit, reducing the need for multiple circulation lines and minimizing installation space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If one circulation line with recovery unit is installed for each furnace, then each furnace can be independently served, but the installation space becomes large

Engineering Contradiction:
Improveindependent service capabilityVSAvoidinstallation space
Core Design Contradiction:
Adaptability or versatilityVSArea of stationary object

Solution Approach 1:

The patent merges multiple circulation lines and recovery units into a single shared circulation line and recovery unit that serves multiple furnaces. This consolidation reduces the number of separate components while maintaining the ability to service multiple furnaces, thereby reducing installation space while preserving adaptability.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The single circulation line and recovery unit are designed to serve multiple furnaces universally. The circulation line can transport saggars to and from multiple furnaces, and the recovery unit can recover treatment objects from multiple furnaces, making the system multi-functional and reducing the need for separate dedicated lines for each furnace.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If multiple circulation lines with recovery units are installed for multiple furnaces, then each furnace has dedicated recovery capability, but the overall system complexity increases

Engineering Contradiction:
Improvededicated recovery capabilityVSAvoidnumber of circulation lines
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple circulation lines into a single shared circulation line that can service multiple furnaces. This reduces the number of components and simplifies the overall system architecture while maintaining the ability to provide dedicated recovery capability through a single consolidated recovery unit that can access multiple furnaces.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The single circulation line is designed with universal capability to serve multiple furnaces, and the recovery unit is designed to recover treatment objects from any of the multiple furnaces. This multi-functionality maintains reliability while reducing device complexity by eliminating the need for separate dedicated circulation lines for each furnace.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250189228A1Firing system
Publication Date: 2025.06.12 NGK INSULATORS LTD
  • US20250189228A1 patent drawing
  • US20250189228A1 patent drawing

AI summary

A firing system may include: a plurality of furnaces each configured to fire a treatment object in a saggar, each of the plurality of furnaces having an entrance through which the saggar is conveyed into the furnace and an exit through which the saggar is conveyed out of the furnace; and a recovery unit configured to recover the treatment object fired by each of the plurality of furnaces. One recovery unit is arranged for the plurality of furnaces.