Automatic Ash Discharge Device for Burner Combustion Efficiency
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Solution Overview
Problem
Conventional grain dryers face issues with ash accumulation in the hearth of the burner, leading to reduced combustion efficiency, safety hazards, and equipment damage, as well as environmental pollution during manual ash clearance.
Innovation Solution
An automatic ash discharge device comprising a furnace base with a combustion chamber, duct set, and discharge set, which includes guiding faces and a blower to facilitate complete biomass fuel combustion, prevent ash accumulation, and automate ash removal, thereby enhancing combustion efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual ash clearing is used, then ash removal is achieved, but air pollution and user injury risks occur
Solution Approach 1:
The system performs ash removal automatically without human intervention. The blower self-activates to transport ashes through the discharge passage when ash level reaches the discharge mouth, and the discharge shaft rotates to expel ashes externally, making the system self-servicing and eliminating manual clearing operations
Solution Approach 2:
The discharge passage acts as an intermediary channel between the combustion chamber and external environment. It transports ashes away from the combustion area through a controlled path, preventing direct contact between users and hot ashes while containing pollution during transport
2Productivity
If ashes accumulate on the hearth, then combustion space is reduced, but combustion efficiency decreases and hearth damage occurs
Solution Approach 1:
The system performs preliminary ash removal before ashes can accumulate to harmful levels. The blower continuously or periodically activates to transport ashes away from the combustion chamber through the discharge passage, preventing ash accumulation that would reduce combustion efficiency or damage the hearth
Solution Approach 2:
The system extracts ashes from the combustion chamber through the discharge passage and discharge shaft mechanism. By removing ashes continuously or periodically, the system maintains a clean combustion space, preventing the harmful effects of ash accumulation on combustion efficiency and hearth durability
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 automatic ash discharge device effectively prevents ash accumulation, promotes complete biomass fuel combustion, prolongs equipment life, and ensures safe and environmentally friendly operation by automating the ash removal process, reducing the risk of air pollution and user injury.
Implementation Method 1
a blower (23)... communicates with the casings (21)... The blower forces air through the inlet holes into the combustion chamber
Implementation Method 2
The guiding faces (14) are formed aslant in the furnace base (10) between the mounting opening (12) and the discharge mouth (13)... ashes may move along the guiding faces (14) into the discharge mouth (13)
Data Source
AI summary
An automatic ash discharge device for a burner has a furnace base, a duct set, and a discharge set. The furnace base has a combustion chamber, a mounting opening, a discharge mouth, two guiding faces, and multiple inlet holes. The combustion chamber is formed in the furnace base. The guiding faces are formed aslant in the furnace base. The inlet holes are formed through the guiding faces. The duct set is connected to the furnace base and has two casings and a blower. The casings are mounted on the furnace base respectively corresponding to the guiding faces and communicate with the combustion chamber. The blower communicates with the casings. The discharge set is connected to the furnace base and has a receiving tank connected to the furnace base and communicating with the combustion chamber, and a discharge shaft rotatably mounted in the receiving tank.