Antistatic Device for Strip Material Dedusting Head
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Solution Overview
Problem
Existing dedusting heads for strip material processing lines face issues with electrostatic charge accumulation in suction ducts, leading to dust clogging and increased fire risks due to electromagnetic fields, and inefficiencies in dust detachment from the strip material.
Innovation Solution
An antistatic device integrated into the dedusting head, featuring deionization electrodes powered by a high-voltage generator, is positioned within air ducts to neutralize electrostatic charges in dust particles during suction and ionize air for effective dust removal from the strip material during blowing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If suction ducts are used to remove dust from strip material, then dust removal capability is improved, but electrostatic charge accumulation occurs leading to dust clogging
Solution Approach 1:
Deionization electrodes are introduced as intermediary devices within the suction ducts to neutralize electrostatic charges on dust particles. The electrodes generate ions that counteract the electrostatic charges, allowing dust particles to be removed by suction without accumulating in the ducts due to electrostatic attraction.
Solution Approach 2:
The electrostatic charges that cause dust accumulation are converted into a beneficial effect by using deionization electrodes to generate opposite charges. The harmful electrostatic attraction is transformed into electrostatic repulsion or neutralization, enabling effective dust removal without clogging.
2Reliability
If deionization electrodes are installed in suction ducts to neutralize charges, then dust accumulation is prevented, but device complexity increases
Solution Approach 1:
The deionization electrodes are designed as simple, replaceable components that can be easily installed and removed. Rather than designing a complex integrated system, the patent uses straightforward electrode elements that neutralize charges effectively and can be replaced when needed, reducing overall system complexity.
3Reliability
If high-voltage generator is used to power deionization electrodes, then electrostatic neutralization effectiveness is improved, but energy consumption increases
Solution Approach 1:
The high-voltage generator operates at high voltage but with limited current, providing sufficient electrostatic neutralization for dust particles without excessive energy consumption. The system applies just enough voltage to neutralize the electrostatic charges on dust particles, avoiding unnecessary energy waste while maintaining effectiveness.
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 antistatic device effectively neutralizes electrostatic charges within suction ducts, preventing dust accumulation and facilitating efficient dust detachment from the strip material, thereby reducing fire risks and improving dedusting efficiency.
Implementation Method 1
deionization electrodes powered by a high-voltage generator, is positioned within air ducts to neutralize electrostatic charges in dust particles during suction
Implementation Method 2
an electrical circuit (30) arranged inside said housing (2) and connected to said low voltage power supply inlet (3) and to said at least one electrode (10), said electrical circuit (30) comprising a high electrical voltage generator (40) arranged inside said housing (2) and configured to generate a high electrical voltage inside said housing (2) to be supplied to said at least one deionization electrode (10)
Data Source
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Figure 7
AI summary
An antistatic device (1, 201, 301) for a dedusting head (100, 400) having at least one air duct (101, 102), for a strip material transformation machine, comprising: a housing (2, 202, 302) comprising a low voltage power supply inlet (3); at least one tip deionization electrode (10) associated with said housing (2, 202, 302); at least one engagement body (20) interposed between said housing (2, 202, 302) and a respective said at least one tip deionization electrode (10) so as to arrange said at least one tip deionization electrode (10) inside said at least one air duct (101, 102); an electrical circuit (30) arranged inside said housing (2, 202, 302) and connected to said low voltage power supply inlet (3) and to said at least one electrode (10), said electrical circuit (30) comprising a high electrical voltage generator (40) arranged inside said housing (2) and configured to generate a high electrical voltage inside said housing (2, 202, 302) to be supplied to said at least one deionization electrode (10).