Adjustable Injector Wall for Pneumatic Distribution
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Solution Overview
Problem
Existing pneumatic distribution machines face challenges in efficiently adapting the conveying air flow in the pneumatic conveying line to match the required air passage quantity based on the working width of the distributor machine or the number of outlet lines, making adjustments cumbersome and requiring additional parts.
Innovation Solution
The injector's wall is designed to be adjustable, allowing for simple adjustment of the passage cross-section by fastening part of the inlet area to the injector housing, enabling the conveying capacity to be set without adding or replacing parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the injector is equipped with insert elements with different free passage cross sections to adapt to different conveying capacities, then the adaptability to different working widths and outlet line configurations is improved, but the device complexity and ease of operation deteriorate due to cumbersome conversion and additional parts to install or replace
Solution Approach 1:
The injector wall is designed with an adjustable portion that can be dynamically repositioned along the inlet area to change the free passage cross section. This dynamic adjustment mechanism allows the same injector to adapt to different working widths and outlet line configurations without requiring multiple fixed insert elements, thereby reducing device complexity while maintaining versatility.
Solution Approach 2:
The invention changes the geometric parameter of the injector by allowing the wall position to be adjusted, thereby modifying the free passage cross section. This parameter change enables the injector to adapt to different conveying capacities and outlet line configurations without adding or replacing parts, resolving the contradiction between adaptability and device complexity.
2Adaptability or versatility
If insert elements with different free passage cross sections are used to adapt the conveying capacity, then the adaptability to different application conditions is improved, but the ease of operation deteriorates due to cumbersome conversion procedures
Solution Approach 1:
The adjustable wall portion can be easily repositioned by the operator along the inlet area of the injector to achieve the desired free passage cross section. This dynamic adjustment is much simpler than replacing insert elements, as it requires no disassembly or reassembly operations, thereby significantly improving ease of operation while maintaining adaptability to different application conditions.
3Ease of operation
If the injector wall is made adjustable to change the free passage cross section, then the ease of operation is improved due to simple adjustment without additional parts, but the device complexity increases due to the adjustable mechanism
Solution Approach 1:
The injector wall is segmented into a fixed portion and an adjustable portion. This segmentation allows the wall to be repositioned along the inlet area to change the free passage cross section. The adjustable portion is designed as a simple movable element that can be repositioned without requiring complex mechanisms or additional parts, thereby improving ease of operation while minimizing the increase in device 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
This solution allows for easy adaptation of the conveying capacity to match varying application conditions, ensuring efficient distribution by adjusting the passage cross-section according to the specific requirements of the distribution machine, whether for high or low air flow rates and material throughput.
Implementation Method 1
The material in the reservoir (1) is fed via the dosing device (4) via the lock (5) of the injector (6) into the delivery line (7) which is connected to a blower (8). Via the conveying line (7), the metered material reaches the distributor designed as an impact head (9)
Implementation Method 2
In the sluice area (5), the injector (6) has an adjustable part (11) of the wall (12) of the housing of the injector (6) for setting the passage cross section (13)
Data Source
Figure 1
Figure 2~4
Figure 5~6
AI summary
The machine has an injector (6) for supplying a material from a dosing device (4) into a conveyor line (7). The material contained in a storage container (1) is supplied into the conveyor line by the dosing device via a lock of the injector. The dosed material reaches a distributor i.e. baffle head (9), by the conveyor line. An adjustable part of a wall of the injector is adjustably designed for changing a free passage cross-section of the injector. A seed drill coulter (3) is hinged at a frame (2). The conveyor line is attached at a blower (8).