Dust Collector Water Flow Feedback Control
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Solution Overview
Problem
Existing dust collection systems in paper-making environments face reliability issues due to potential interruptions in water supply, which can lead to dry dust accumulation, increasing fire hazards and health risks for workers.
Innovation Solution
A system comprising an elongated collector connected to a source of underpressure and water supply, equipped with a flow meter to monitor water flow and a logic control unit that adjusts underpressure based on measured flow values, ensuring continued operation even if water supply is reduced or interrupted.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If water is introduced into the collector to encapsulate dust particles, then dust encapsulation and fire risk reduction are improved, but system reliability deteriorates when water supply is interrupted
Solution Approach 1:
The system incorporates a flow meter to continuously monitor water flow and provides feedback to a control unit. When water flow drops below a predetermined threshold, the control unit automatically reduces or stops the underpressure, preventing dry dust accumulation and fire hazards while maintaining reliable dust encapsulation during normal operation.
Solution Approach 2:
The system dynamically adjusts the underpressure based on real-time water flow conditions. The control unit modifies the underpressure level according to the measured water flow, allowing the system to adapt between high encapsulation mode (when water is available) and safe shutdown mode (when water supply is reduced), thereby resolving the contradiction between reliability and fire hazard.
2Productivity
If underpressure is increased to improve dust collection efficiency, then dust evacuation performance is improved, but water flow measurement sensitivity must increase to detect supply interruptions
Solution Approach 1:
The flow meter provides continuous feedback on water flow to the control unit, enabling the system to detect supply interruptions even when operating at high underpressure. This feedback mechanism allows the system to maintain high dust collection efficiency while ensuring timely detection of water supply problems through automated control.
Solution Approach 2:
The flow meter acts as an intermediary between the water supply and the control unit, providing precise measurement data that enables the control unit to adjust underpressure. This intermediary device allows the system to maintain high productivity while achieving accurate water flow detection without requiring excessive measurement sensitivity.
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 system effectively maintains dust encapsulation in water droplets, reducing fire hazards and health risks by adjusting underpressure in response to water flow variations, ensuring reliable dust collection and handling.
Implementation Method 1
a source of underpressure and an elongated collector that extends along a longitudinal axis and which elongated collector is connected to the source of underpressure through at least one suction duct such that underpressure can be generated inside the elongated collector
Implementation Method 2
When water is introduced into the elongated collector, dust in the dust-laden air can be exposed to and mix with the water introduced into the elongated collector
Implementation Method 3
The introduction of water can rinse the interior walls of the collector such that the interior of the collector remains in a relatively clean condition and the dust is wetted
Implementation Method 4
a flow meter is functionally connected to the system to measure at least one of a flow of water from the source of water to the elongated collector or a flow of water exiting from the elongated collector through the exit opening of the elongated collector
Data Source
AI summary
The invention relates to a system (1) and a method for collecting and handling dust in a paper-making environment. The system (1) comprises a source of underpressure (2) and an elongated collector (4) that extends along a longitudinal axis and which elongated collector (4) is connected to the source of underpressure (2) through at least one suction duct (7) such that underpressure can be generated inside the elongated collector (4). The elongated collector (4) has an inlet (5) through which dust-laden air can enter the elongated collector (4) and an exit opening (6) leading to the suction duct (7) through which exit opening (6) dust-laden air can be evacuated from the elongated collector (4). A source of water (8) is connected by at least one water supply duct (10) to the elongated collector (4) such that water from the source of water (8) can be introduced into the elongated collector so that dust in the dust-laden air can be exposed to and mix with the water introduced into the elongated collector (4). A flow meter (12) is functionally connected to the system (1) to measure at least one of a flow of water from the source of water (8) to the elongated collector (4) or a flow of water exiting from the elongated collector (4) through the exit opening (6) of the elongated collector (4) and arranged to send a signal indicating a numerical value for a flow of water that reaches or leaves the elongated collector (4) such that this value can be compared to a predetermined minimum value. The system is used to carry out the inventive method.