Filter Cleaning Nozzle Contact Mechanism for Pressure Dissipation
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Solution Overview
Problem
Existing filter cleaning methods using high-pressure air streams are inefficient due to pressure dissipation, limiting the effectiveness of filter cleaning even when high-pressure air is used.
Innovation Solution
A collection device with a nozzle that injects gas directly into the filter element, ensuring that the majority of the injected gas passes through the filter, effectively removing adherent material by moving the nozzle to contact the filter opening and injecting gas when in contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If high pressure air stream is used for backwashing filters, then cleaning power is improved, but pressure dissipates into the space causing limited cleaning effect
Solution Approach 1:
A closure member is introduced as an intermediary between the air stream generator and the filter element. This closure member directs the high-pressure air stream onto the filter element surface, preventing pressure dissipation into the surrounding space while maintaining high cleaning power. The closure member acts as a mediator that focuses the energy where it is needed.
Solution Approach 2:
The invention applies high-pressure air stream locally to specific areas of the filter element surface rather than dispersing it throughout the entire housing space. By concentrating the air stream at the point of contact with the filter element, the system achieves effective cleaning without wasting energy on unnecessary areas.
2Productivity
If air stream flows into the space exposed to filter, then backwashing is performed, but pressure decreases limiting cleaning effectiveness
Solution Approach 1:
The closure member serves as an intermediary that prevents direct flow of air into the large housing space. Instead, it channels the air stream through a controlled path onto the filter element, maintaining pressure throughout the backwashing process while still achieving the necessary cleaning function.
Solution Approach 2:
The invention segments the housing space by introducing a closure member that divides the large volume into a focused delivery zone. This segmentation prevents pressure equalization across the entire space, maintaining high pressure at the filter element contact point while isolating other areas from the high-pressure zone.
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 device achieves enhanced filter cleaning by concentrating the air current's pressure directly onto the filter, effectively removing adherent material and improving the cleaning efficiency compared to traditional methods.
Implementation Method 1
the injector has a gas chamber to which a gas is supplied, and in response to pressure of the gas supplied to the gas chamber, expands and moves the nozzle toward the opening
Implementation Method 2
injecting a gas from the injection opening when the nozzle is in contact with the opening. By setting the nozzle against the opening of the filter and injecting gas, the majority of the injected gas passes through the filter
Data Source
AI summary
Technology improving the effect of cleaning a filter by a high pressure air current is provided. A first dust collector 27 has a housing into which a gas carrying capture material is carried; a filter 240 having a filter element 305 that captures the capture material, and an opening 305b from which air passing through the filter element 305 flows out; and an injector having a nozzle with an injection opening that injects a gas, moves the nozzle to a position in contact with the opening, and injects the gas from the injection opening 305b when the nozzle is in contact with the opening 305b.