Adjustable Cutting Blade for Suction Conveyance of Non-Homogeneous Fluids
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Solution Overview
Problem
Existing filling devices for non-homogeneous liquids like liquid manure and sewage sludge lack efficiency and flexibility, often damaging the barrel's own compressors and pumps due to inadequate adjustment of cutting gaps.
Innovation Solution
A filling device with a drivable shaft-mounted suction wheel and adjustable cutting blade, allowing for axial displacement of the cutting gap through an adjustment sleeve, ensuring the grain size of solids is optimized to prevent damage to pumps and maximize filling capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed cutting blade is used in the suction line, then the structure is simple, but the particle size of solids cannot be adjusted, causing damage to pumps and compressors
Solution Approach 1:
The cutting blade is made adjustable through a threaded connection to the drive shaft, allowing dynamic modification of the cutting gap width. This enables the system to adapt to different particle size requirements while maintaining a relatively simple overall structure.
Solution Approach 2:
The invention changes the physical parameter of the cutting gap width by allowing axial displacement of the cutting blade along the drive shaft. This parameter adjustment enables optimization of solid particle size to prevent pump damage while keeping the adjustment mechanism simple.
2Productivity
If the cutting gap is fixed, then the device structure is simple, but the filling capacity and efficiency are reduced due to inability to optimize grain size
Solution Approach 1:
The cutting blade can be dynamically adjusted along the axial direction of the drive shaft to optimize the cutting gap width for different operating conditions, thereby maximizing filling capacity while maintaining ease of operation through a straightforward threaded adjustment mechanism.
Solution Approach 2:
The cutting gap can be pre-adjusted to optimal settings before operation based on expected material characteristics, allowing the system to achieve maximum filling capacity from the start without requiring complex real-time control systems.
3Reliability
If no adjustment mechanism is provided, then the device is simple to manufacture, but pump damage occurs due to inadequate particle size control
Solution Approach 1:
A simple threaded adjustment mechanism is integrated into the drive shaft assembly, allowing easy modification of the cutting gap to control particle size and protect pumps. This maintains ease of manufacture while significantly improving reliability through adjustable particle size control.
Solution Approach 2:
The invention enables control of particle size parameters by adjusting the cutting gap width through axial movement of the cutting blade. This parameter control prevents damage to pumps and compressors while adding minimal manufacturing complexity.
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 adjustable cutting blade allows for efficient suction conveying by preventing pump damage and optimizing grain size, enhancing the filling device's performance and capacity for non-homogeneous liquids.
Implementation Method 1
a suction wheel (5), surrounded by a cylindrical housing part (1a), arranged concentrically around the shaft (4)
Implementation Method 2
The adjusting sleeve (6) is expediently mounted on an outer surface of the housing (1), for example via a threaded connection (7)
Data Source
Figure 1
Figure 2~8
Figure 3
AI summary
The device has a housing (1) provided with an intake (2) and a discharge piece (3). A drivable shaft (4) is supported inside a suction wheel. A stationary blade (11) cooperating a cutting blade (10) is provided in a region of the intake. The shaft with an end extends to the intake. The cutting blade is rotationally fixed to the end of the shaft for forming blade gap between the stationary blade and the cutting blade axially adjustable in the housing. Rotation of an adjusting sleeve (6) causes displacement of the shaft along axial direction.