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18202208720
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Wuqing District, Tianjin, China
Tianjin Chengzhen Machinery Equipment Co., Ltd
Process principle of small bag dust-free feeding station
Date: 2025-04-18Read: 8
The process principle of the small bag dust-free feeding station is based on the collaborative effect of multiple systems, and achieves closed dust-free operation through the following key links:
1、 Material feeding and pretreatment
1. Manual/automatic feeding
The operator places the small bag material (15-50kg specification) on an open or closed feeding platform, and completes the bag opening operation through manual or automatic bag breaking devices. The material enters the storage bin for temporary storage.
2. Vibration screening for impurity removal
During the process of material falling, it passes through a vertical vibrating screen or a high-frequency vibrating screen to screen out large particles, foreign objects, or clumps, ensuring material purity and reducing dust generation.
2、 Dust control and collection
1. Negative pressure vacuum cleaning system
The dust generated during feeding is adsorbed by the negative pressure environment generated by the top dust collection fan or negative pressure fan, and enters the filtration system through the pipeline.
2. Filtering and Separation
Dust is separated into gas and solid in bag filters, multi-stage cyclone separators, or back blowing airbag dust removal systems. Clean air is purified and discharged, while dust is collected and processed.
3、 Material Handling and Automation
1. Cache and Delivery
The screened material falls into the buffer bin due to its own weight, and is then transported to the next process in a closed manner through equipment such as vacuum feeders and screw conveyors.
2. Intelligent control
Adopting a PLC control system to monitor feeding speed, negative pressure parameters, and equipment status in real-time, achieving automated start stop and abnormal alarm, and reducing manual intervention.
4、 Sealing structure design
1. Physical sealing
The feeding and discharging ports are equipped with silicone sealing rings or rubber sealing strips, and the shell is seamlessly welded or tightly spliced to form a closed space to prevent dust from overflowing.
2. Dynamic sealing
The sealing cover of the silo automatically closes after feeding, maintaining a negative pressure environment inside the system and further blocking the spread of dust.
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