Receiving Device for Two-Component Paint Disposal
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Solution Overview
Problem
Existing disposal systems face challenges with the deposition of two-component paints on components of coating installations, leading to operational failures and increased maintenance costs due to rapid hardening and clogging of lines and equipment.
Innovation Solution
A receiving device equipped with a loading agent that delays or prevents the hardening of two-component paints, using solvents and blocking agents to chemically inhibit hardening and mechanical means to continuously remove the paint from surfaces, combined with a circulation system to recycle and reuse the agent.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If two-component paints are disposed of in receiving containers or directly sprayed into the wash-out, then the disposal process can be performed, but the paint rapidly hardens and deposits on parts of the disposal system leading to line blockage and operational failures
Solution Approach 1:
The patent applies preliminary action by adding a blocking agent to the two-component paint before disposal. This blocking agent temporarily prevents the hardening reaction from occurring during the disposal process, allowing the paint to be transported through the system without depositing or blocking lines. The blocking action is established in advance before the paint enters the disposal system.
Solution Approach 2:
The patent changes the chemical parameters of the paint system by introducing a blocking agent that modifies the reactivity of the hardener component. This parameter change temporarily reduces the cross-linking reaction rate, extending the pot life of the paint during disposal operations. The chemical composition is altered to prevent premature hardening while maintaining the ability to dispose of the paint effectively.
2Quantity of substance
If large quantities of liquid paint are sprayed into the fluidized bed during dry wash-out, then the paint can be separated, but the paint clogs the pores of the fluid base and adversely affects the separation system
Solution Approach 1:
The patent uses an intermediary substance (blocking agent) that mediates between the two-component paint and the disposal system. This blocking agent prevents the paint from undergoing its normal hardening reaction, transforming it from a state that would clog the fluidized bed into a state that can be safely disposed of without damaging the separation system infrastructure.
3Manufacturing precision
If the paint is allowed to harden rapidly as designed, then the coating process maintains its effectiveness, but the disposal system experiences complete blockage and requires frequent cleaning or replacement
Solution Approach 1:
The blocking agent is introduced in advance to prevent hardening during disposal operations. This preliminary protective action ensures that the paint remains in a transportable state throughout the disposal process, eliminating the need for frequent cleaning or replacement of disposal system components.
Solution Approach 2:
The patent temporarily changes the chemical parameters of the paint system during disposal by adding a blocking agent. This parameter modification extends the working time of the paint beyond its normal pot life, allowing sufficient time for safe disposal without hardening. The original hardening properties are restored after the blocking agent is neutralized or removed.
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 delays or prevents the deposition of two-component paints on equipment, reducing maintenance costs and operational failures by ensuring continuous operation and minimizing the risk of line blockages.
Implementation Method 1
a blocking agent to at least delay hardening of a multi-component paint system
Implementation Method 2
a loading means to load the receiving device with a loading agent, which at least delays, and in some cases may essentially prevent deposition of disposal agent
Data Source
AI summary
A device, method, system, operating method, component and composition are disclosed for preventing deposits of a disposal agent, e.g., where a multi-component paint having two or more components such as a paint component and a hardener component, is employed, for example in a coating installation. Exemplary illustrations include a receiving device for disposal agent, e.g., for disposal agent from cleaning and/or rinsing processes of an application apparatus, comprising at least one inlet opening for introducing the disposal agent, and an outlet opening for removing the disposal agent. Furthermore, at least one loading means may be provided in order to load the receiving device with a loading agent, which may at least delay a deposition of disposal agent on or in the receiving device.