Refractory Oven Hemispheres Segmentation for Mass Production

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Solution Overview

Problem

Existing refractory ovens, particularly those made of refractory materials, face high production costs and low productivity due to manual and artisanal manufacturing processes, limiting their accessibility and efficiency.

Innovation Solution

The oven is designed with two concave hollow hemispheres that can be easily manufactured using simple molds, allowing for high-pressure molding and efficient assembly with refractory cement, enhancing productivity and reducing costs while ensuring a tight seal against heat leaks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual and artisanal manufacturing is used to create refractory ovens, then the oven quality and thermal efficiency are improved, but the production cost increases and productivity decreases

Engineering Contradiction:
Improveoven qualityVSAvoidproduction efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The oven is divided into two separate concave hemispherical shells that can be manufactured independently using molds, then assembled together. This segmentation allows for standardized mass production of each half while maintaining the quality characteristics of handcrafted ovens, resolving the contradiction between production efficiency and oven quality.

Inventive Principle:
Principle #1Segmentation

2Reliability

If manual and artisanal manufacturing is used to create refractory ovens, then the oven quality and thermal efficiency are improved, but the production cost increases

Engineering Contradiction:
Improveoven qualityVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

By dividing the oven into two manufacturable halves that can be produced using simple molds, the manufacturing process becomes scalable and less labor-intensive, reducing production costs while maintaining quality standards.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention changes the manufacturing parameters from purely manual artisanal processes to a hybrid approach using molds for shaping the hemispheres, thereby reducing labor costs and material waste while preserving the thermal efficiency characteristics of traditional ovens.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If high-pressure molding is used to manufacture the oven, then productivity and compaction of refractory clay mass are improved, but the complexity of the manufacturing process increases

Engineering Contradiction:
Improvemanufacturing outputVSAvoidmolding process complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The oven design into two separable hemispherical shells enables the use of high-pressure molding techniques for each half independently, achieving good compaction and productivity without requiring excessively complex multi-component molds, thus balancing productivity gains with manageable process complexity.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS20220390176A1Oven made of refractory material
Publication Date: 2022.12.08 PASCUAL DE LAS HERAS HECTOR
  • US20220390176A1 patent drawing
  • US20220390176A1 patent drawing

AI summary

Oven (1), of the type comprising a receptacle (2) of refractory material, which comprises two concave pieces (3, 4) that are joined by the edges (5) thereof with the participation of a refractory binder (6), the pieces (3, 4) comprising a recess (7) in the edge thereof to form the entrance to the oven, and mutually coupling tongue-and-groove joints (50).