Dynamic Mixer with Siphon for Homogeneous Curative Composition
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Solution Overview
Problem
Dynamic mixers face issues with material loss and jamming due to excessive curing agent proportions and gelling during the transfer of curative compositions, leading to inefficiencies and increased costs.
Innovation Solution
A simple, economic, and eco-friendly dynamic mixer that employs a two-part mixing principle with a resin system and a curing system, using a proportion of 2.5:100 curing agents to resin system, and incorporates a stirring chamber with specific dimensions and pumping mechanisms to minimize gelling and spillage, allowing continuous homogeneous mixing and transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a high proportion of curing agents (20:100) is used in the dynamic mixer to prepare curative composition, then the curing efficiency is improved, but the composition gels during transfer causing jamming of the mixer and blocking of outlet pipes
Solution Approach 1:
The patent applies dynamics by making the mixer components movable - specifically, the stirring elements and outlet components can move to adjust the mixing intensity and prevent gel formation during transfer. This dynamic adjustment allows the system to adapt to the curing process in real-time, maintaining productivity while preventing jamming.
Solution Approach 2:
The patent changes key parameters including reducing the curing agent proportion from 20:100 to a lower ratio, adjusting mixing speed, and modifying residence time in the mixer. These parameter changes optimize the balance between curing efficiency and preventing premature gelling that causes jamming.
2Ease of operation
If the curative composition is transferred through pipes to the desired place, then the material can be delivered to the application location, but spillage occurs during transfer causing material loss
Solution Approach 1:
The patent utilizes pneumatic and hydraulic principles by employing pressure-controlled transfer systems and sealed piping. The curative composition is transferred under controlled pressure through sealed outlets, preventing spillage during transfer while maintaining ease of operation for delivering material to the application location.
3Productivity
If the mixer operates continuously to prepare curative composition, then productivity is improved, but the composition gels during prolonged standing causing jamming and material loss
Solution Approach 1:
The patent implements continuous action by designing a system where mixing and transfer occur simultaneously without interruption. The curative composition is continuously mixed and immediately transferred through sealed outlets, eliminating prolonged standing time that causes gelling while maintaining high productivity through uninterrupted operation.
Solution Approach 2:
The patent applies the skipping principle by rapidly transferring the curative composition through the outlet pipes immediately after mixing, minimizing the residence time in the mixer. This quick transfer prevents gelling during standing while maintaining continuous production flow.
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 solution effectively reduces material loss, eliminates jamming, and allows for the use of multiple curing agents, achieving efficient and cost-effective production and transfer of curative compositions with minimal human intervention.
Implementation Method 1
a siphon connected at the bottom of the chamber and an outlet pipe connected to the other end of the siphon to discharge the curative composition
Data Source
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AI summary
A dynamic mixer to mix at least one curing agent and at least one resin system in the proportion of at least 2.5:100 to obtain a homogenous curative composition, wherein said mixer comprises a stirring chamber (5) provided with a motorised stirrer (4) suspended from the top of the chamber (5) and a siphon (6) at the bottom; at least one inlet hose (h1) connected to the stirring chamber at one end and pumping means (p1) at other end; the pumping means (p1) pump at least one curing system to the stirring chamber through the at least one inlet hose (h1); at least one inlet hose (h2) connected to the stirring chamber at one end and pumping means (p2) at other end; the pumping means (p2) pump at least one resin system to the stirring chamber through the at least one inlet hose (h2); and frame to setup the dynamic mixer. The proportion of diameter (A) of the stirring chamber (5); length (B) of the stirring chamber (5) from a top closure to a bottom opening of the chamber (5); and the length (C) from the bottom opening of the chamber (5) and a top of the siphon (6) may vary only in the ratio of 1: (2.6-3.0): (1.1-1.3) i.e. [(A):(B):(C)] to obtain the homogenous curative composition comprising 2.5 phr curing system per resin system.