Reactor Cover Lifting Rod for Warped Silicon Rod Removal

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Solution Overview

Problem

Existing methods fail to safely open a reactor when silicon rods deviate from the vertical center, causing warpage and falling, leading to cover obstruction and potential damage during cooling.

Innovation Solution

A rod-shaped body is used to lift the reactor cover by inserting into both the bottom plate and cover holes, preventing lateral swinging and allowing safe detachment.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the reactor cover is lifted to open the reactor, then the silicon rods can be taken out, but the cover may swing laterally and snag on the protective wall, preventing detachment

Engineering Contradiction:

Improvecover detachmentVSAvoidcover lifting stability

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

A rod-shaped body is introduced as an intermediary tool to facilitate cover detachment. The rod-shaped body is inserted through the bottom plate and cover to provide a stable lifting mechanism, preventing the cover from swinging laterally and snatching on the protective wall during the detachment process

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If the silicon rods are cooled to room temperature, then they can be easily handled, but they may fall over due to warpage caused by asymmetric growth

Engineering Contradiction:

Improverod handlingVSAvoidrod vertical stability

Core Design Contradiction:

Ease of operationVSStability of the object's composition

Solution Approach 1:

The invention addresses the instability caused by asymmetric growth by providing localized support through the rod-shaped body during the lifting process. The rod-shaped body compensates for the warpage and deviation from vertical alignment, allowing the cooled silicon rods to be safely removed even though they lack inherent vertical stability

Inventive Principle:

Principle #3Local quality

3Adaptability or versatility

If the silicon core wire is positioned asymmetrically on the bottom plate, then the reactor can be opened, but the silicon rod develops a deviated center of gravity causing warpage

Engineering Contradiction:

Improvecore wire positioning flexibilityVSAvoidrod vertical alignment

Core Design Contradiction:

Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The rod-shaped body serves as a mediator that accommodates asymmetric positioning variations. By inserting the rod-shaped body through the bottom plate and cover, the system maintains the flexibility to position core wires asymmetrically while compensating for the resulting vertical alignment deviations during the rod removal process

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS20250368517A1Method for manufacturing silicon rod

Publication Date: 2025.12.04 TOKUYAMA CORP

AI summary

A rod-shaped body (10) is used to lift a cover (103) so as to detach the cover from a bottom plate (101), together with which the cover (103) forms a reactor (100). The rod-shaped body (10) includes a first part (11) to be inserted into a bottom plate-side hole (102a) provided in a surrounding area of the bottom plate (101) and a second part (12) to be inserted into a cover-side hole (104a) disposed in a surrounding area of the cover (103) so as to face the bottom plate-side hole (102a).