Independent Binder Trap Temperature Control
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Solution Overview
Problem
Existing binder trap systems in sintering furnaces face inefficiencies due to temperature variability in cooling and heating processes, leading to inconsistent binder trapping, potential pump damage, and reduced manufacturing efficiency, as cleaning of traps cannot be performed while the furnace is running.
Innovation Solution
A multi-trap system with independent chill and heat units, allowing precise temperature control for each trap, enabling continuous operation of the furnace during trap cleaning and improving binder trapping efficiency across varying temperatures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If passive chilling using water from a typical water source is used to cool the binder trap, then the cooling process is simple and low-cost, but the cooling temperature varies with seasonal water temperature changes, resulting in inconsistent binder trapping efficiency
Solution Approach 1:
The invention changes the temperature parameter of the cooling medium from passive seasonal variation to active controlled temperatures. The system uses a cooling coil connected to a refrigeration system or chilled water supply to maintain consistent low temperatures regardless of external water source temperature variations.
Solution Approach 2:
The invention replaces the passive thermal system (relying on ambient water temperature) with an active mechanical cooling system using refrigeration equipment or controlled chilled water circulation to maintain consistent cooling temperatures.
2Ease of repair
If electrical heating is used to melt and collect binder from the trap when the system is not running, then the trap can be cleaned, but the process is inefficient and reduces production run time
Solution Approach 1:
The invention performs the heating and binder collection action in advance during the transition between batches, rather than waiting until the system is completely stopped. The heating element activates automatically when the trap reaches a certain temperature threshold or when switching between operational cycles.
Solution Approach 2:
The invention maintains continuous operation by enabling trap heating and cleaning to occur during idle transition periods without completely shutting down the furnace. The system seamlessly transitions between trapping mode and heating/cleaning mode, maximizing productive time.
3Quantity of substance
If multiple binder traps are used in sequence, then binder trapping capacity is increased, but all traps must be cleaned together when filled, requiring furnace shutdown and reducing manufacturing efficiency
Solution Approach 1:
The invention divides the binder trapping system into multiple independent traps with individual heating and cooling circuits. Each trap can be operated, heated, and cleaned independently of the others, allowing continuous operation while one trap is being serviced.
Solution Approach 2:
The invention implements dynamic switching between multiple traps, allowing the system to transition from one trap to another as each trap fills up. The control system automatically directs exhaust flow to available traps and initiates heating of filled traps during transition periods.
4Productivity
If untrapped binder reaches the pump and furnace exhaust, then the system operation continues, but the pump may be damaged and binder is released into the atmosphere causing environmental harm
Solution Approach 1:
The invention converts the potentially harmful hot binder gas that would otherwise damage the pump or escape to the atmosphere into a useful resource by directing it to the trap where it condenses and is collected. The heating element then melts and drains this collected binder, preventing environmental release and pump damage.
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 enhances manufacturing efficiency by allowing continuous operation of the sintering furnace during trap cleaning, improves binder trapping efficiency, and reduces environmental impact by minimizing binder release into the atmosphere.
Implementation Method 1
Where cooling the binder in a gas form causes the binder to condense in the trap
Implementation Method 2
Heating the trap is done while the system is not running using an inefficient electrical heating source to melt and collect the binder from the trap
Data Source
AI summary
A binder trap system that has more than one binder trap. All of the binder traps are independently connected to a chill unit. The chill unit provides chilled fluid at a precise temperature to chill contents of the binder traps. All of the binder traps are independently connected to a heat unit. The heat unit provides heated fluid at a precise temperature to heat contents of the binder traps. The binder trap system has the capability to independently be chilled or heated from all of the other binder traps in the system.