Tanning Drum Temperature Control via Effective Heat Detection
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Solution Overview
Problem
Current drumming cycle methods in the tanning industry are inefficient, leading to energy wastage due to arbitrary initial temperature settings, resulting in overheating or underheating, and increased production costs, as they do not account for actual environmental and leather conditions.
Innovation Solution
A method that detects the effective temperature inside the drum before starting the cycle and calculates the initial time interval to reach the working temperature, allowing for a dynamic heating curve adjustment, thereby optimizing energy use and reducing costs without requiring invasive modifications to the drumming equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the initial temperature Ti is set arbitrarily by the operator based on experience, then the drumming cycle can be completed, but energy is wasted due to overheating or underheating
Solution Approach 1:
The system measures the effective temperature Te inside the drum before starting the drumming cycle and uses this feedback to automatically adjust the initial temperature Ti and heating time tr, replacing arbitrary operator settings with data-driven control that prevents energy waste from overheating or underheating
Solution Approach 2:
The manual operator-based temperature setting is replaced with an automated electronic control system that calculates Ti and tr based on measured environmental temperature and leather characteristics, eliminating the need for operator experience while optimizing energy consumption
2Temperature
If the initial temperature Ti is set too high to ensure working temperature Tl is reached, then the working temperature can be achieved, but the leather may be overheated causing quality issues
Solution Approach 1:
The system performs preliminary measurement of the effective temperature Te inside the drum before starting the drumming cycle, allowing the initial temperature Ti to be pre-calculated to exactly reach the working temperature Tl without excess heat, preventing leather overheating while ensuring the target temperature is achieved
Solution Approach 2:
The system dynamically adjusts the initial temperature Ti and heating time tr parameters based on the measured effective temperature Te and leather characteristics, replacing fixed arbitrary settings with adaptive parameter optimization that prevents overheating while guaranteeing the working temperature is reached
3Object-affected harmful factors
If the initial temperature Ti is set too low to avoid overheating, then leather quality is protected, but the working temperature Tl may not be reached in time
Solution Approach 1:
The system performs preliminary measurement of the effective temperature Te and calculates the optimal initial temperature Ti and heating time tr before starting the drumming cycle, ensuring the working temperature Tl is reached exactly at the required time without excessive heating, thus maintaining both leather quality and production efficiency
Solution Approach 2:
The system dynamically determines the initial temperature Ti and heating duration tr based on real-time measurements of effective temperature Te and leather characteristics, replacing static arbitrary settings with adaptive control that simultaneously protects leather quality and optimizes drumming cycle efficiency
4Loss of energy
If a fixed heating time is used for all conditions, then the drumming cycle is simple to operate, but energy is wasted when environmental conditions vary
Solution Approach 1:
The system measures the effective temperature Te inside the drum and uses this feedback to automatically calculate the optimal heating time tr, replacing fixed arbitrary heating times with adaptive time determination that prevents energy waste while accounting for environmental condition variations
Solution Approach 2:
The manual setting of heating time based on operator experience is replaced with an automated electronic control system that calculates tr based on measured effective temperature Te and predetermined heating power Pw, eliminating energy waste from incorrect time settings while maintaining operational simplicity
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
This approach leads to significant electrical energy savings and improved production costs by ensuring the drum reaches the optimal working temperature efficiently, reducing energy waste and enhancing operational efficiency.
Implementation Method 1
be gradually increased until reaching the working temperature Ti which has been pre-set by the operator
Implementation Method 2
the product is cooled by means of circulation of cold air inside the cylindrical barrel
Data Source
AI summary
A method for adjusting the formula parameters of a drumming cycle of leathers comprising the operations introducing into a cylindrical barrel, belonging to a tannery rotary drum, a plurality of leathers to be drummed in a given drumming cycle, and setting a working temperature, or set point temperature (Ti), at which the drumming cycle of the leathers is performed. In particular, the method of the invention it also comprises the further operations of initially detecting the effective temperature (Te) inside the cylindrical barrel of the rotary drum, performed before starting the drumming cycle by rotating the cylindrical barrel around a linear axis and after the operation of introducing the leathers into the cylindrical barrel, and subsequently setting the initial time interval (tr) of the drumming cycle needed to pass inside the cylindrical barrel from the effective temperature (Te) to the working temperature (Ti), according to the effective temperature (Te) detected before starting the rotation of the cylindrical barrel around the linear axis.