Kiln Sliding Gate System for Ceramic Firing Heat Retention
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Solution Overview
Problem
Conventional kilns for firing ceramic moldings inefficiently utilize space and energy due to the need for kiln cars to be exposed to ambient temperatures during loading and unloading, leading to cooling and reduced energetic efficiency.
Innovation Solution
A sliding gate system is implemented in the loading station, with a horizontally movable gate for the loading station and a vertically movable gate for the furnace, ensuring the furnace gate remains closed during loading and unloading, and a centrifugal fan for forced convection to maintain heat within the kiln.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If kiln cars are exposed to ambient temperatures during loading and unloading, then loading and unloading operations can be performed, but heat loss occurs and energy efficiency deteriorates
Solution Approach 1:
The gate system is divided into two independent gates: a first gate for the loading station and a second gate for the furnace. This segmentation allows independent control of each gate, enabling the loading station gate to be open for operations while the furnace gate remains closed to prevent heat loss.
Solution Approach 2:
The loading station acts as an intermediary zone between the ambient environment and the furnace interior. By placing the first gate at the loading station and the second gate at the furnace, the loading station serves as a buffer zone that allows loading/unloading operations without directly exposing the furnace interior to ambient temperatures.
2Device complexity
If a single gate is used for both loading station and furnace, then device complexity is reduced, but it becomes impossible to maintain furnace gate closed during loading operations
Solution Approach 1:
The gate system is divided into two independent gates: a first gate for the loading station and a second gate for the furnace. This segmentation allows independent control of each gate, enabling the loading station gate to be open for operations while the furnace gate remains closed to prevent heat loss.
3Volume of moving object
If vertical gate is used for furnace, then space utilization is improved, but control coordination with loading station gate becomes more difficult
Solution Approach 1:
The control system monitors the position of the first gate and automatically adjusts the second gate accordingly. When the first gate is opened for loading/unloading, the control system ensures the second gate remains closed, providing automatic feedback control that simplifies coordination despite the vertical movement mechanism.
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 configuration optimizes space usage and energy efficiency by maintaining heat within the kiln and preventing heat loss during loading and unloading, while ensuring the furnace gate remains closed, enhancing the firing process.
Implementation Method 1
a centrifugal fan for forced convection to maintain heat within the kiln
Data Source
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AI summary
The invention relates to a kiln (1) for firing ceramic molded parts (6), in particular bricks, with a plurality of parallel and movable sections (4, 5) along a longitudinal kiln section, comprising several kiln cars (16) on which the molded parts (6) are to be arranged, wherein the kiln section has a firing zone for heating the molded parts (6), wherein adjacent sections (4, 5) are movable in opposite directions without a reversal of direction through a firing zone, wherein at least one fan (9) is provided: In order to optimize this kiln, it is provided that a loading station (20) designed as an airlock is connected upstream and/or downstream of the kiln (1) for loading the molded parts (6), which has two gates (22, 23), one of which gate (23) opens towards the kiln (1) and another gate (22) opens towards an ambient space.