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How a food industry conveyor belt metal detector typically works:
Feeding Stage: Food products are placed onto the conveyor belt, which carries them through the metal detection process. The conveyor belt ensures a continuous flow of products for inspection.
Metal Detection Stage: As the food products move along the conveyor belt, they pass through a metal detection zone created by the metal detector. The metal detector generates a magnetic field or uses electromagnetic waves to detect the presence of metal contaminants within the products.
Signal Processing: When a metal contaminant is detected, the metal detector generates a signal indicating the presence of metal. Depending on the type of metal detector and its settings, the signal may trigger an alarm, stop the conveyor belt, or divert the contaminated product for further inspection or rejection.
Rejection Mechanism: If a metal contaminant is detected, the contaminated product is typically diverted away from the production line using a rejection mechanism such as an air blast, a retractable belt, or a diverter arm. This ensures that only metal-free products continue downstream for packaging or further processing.
Quality Control: Food industry conveyor belt metal detectors are equipped with sensitive sensors and advanced signal processing algorithms to minimize false alarms and ensure accurate detection of metal contaminants. Regular calibration and maintenance are essential to maintaining the effectiveness of the metal detection system.
Data Logging and Reporting: Many modern food industry metal detectors are equipped with data logging capabilities that record detection events, including the type and size of metal contaminants detected, the time and date of detection, and any actions taken in response. This data can be used for quality control, compliance reporting, and traceability purposes.
Food industry conveyor belt metal detectors play a critical role in ensuring the safety and quality of food products by preventing metal contamination during the production process. They are used in various food processing facilities, including meat processing plants, bakeries, snack food manufacturers, and dairy processing facilities.
Technical Parameter for the Food Industry Conveyor Belt Metal Detector
| Model | DHMD-200*50B | |
| Product | Food, noodles, vegetable, meat, seafood etc. | |
| Packing | No package | |
| Product size | Max size: (200*150*40 mm L*W*H) | |
| Product weight | Max 50g | |
| Machine specification | Normal machine | |
| Detection Width(mm) | 200 | |
| Detection Height (mm) | 50 | |
| Detection Sensitivity | Fe(Φmm) | ≥ 0.5mm |
| Non-Fe(Φmm) | ≥ 1.0mm | |
| 304Sus(Φmm) | ≥ 1.5mm | |
| Alarm and rejector system | Alarming with automtic rejector | |
| Language | English/Chinese | |
| Product storage | Can storage 100 different kinds of products | |
| Machine structure | Stainless steel 304 | |
| Machine size (mm) | L1330mm×W780mm×H1005mm (customized) | |
| Machine weight | Around 280KG | |
| Voltage and power | 220V 50Hz, 220W | |
| Capacity | 60 pcs/min | |
| Height from the earth | 750mm+50 mm (customized) | |
| Note: the above sensitivity parameters are the test results when the machine is empty without environmental interference, the actual application will be slightly different due to the interference of the use of the environment and the component factors of the detected object! Aluminum foil packaging products can not be tested. |
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Technical Drawing (Unit: mm)
Technical Drawing (Unit: mm)
Features
●Intelligent and humanized design, easy disassembly & installation & cleaning.
●Adjustable speed: variable frequency control motor
●Product preset: 100 kinds
●Belt conveyer is complied with the American food sanitation standard (FDA), it can be used for transporting the unpacked food directly.
●Dual-channel and dual-frequency detecting to detect Fe and non-ferrous metals like stainless steel respectively.
●Alarming: sound and light alarming, conveyor stop and automatic rejector for choice.
Application
Metal detector using in food factory:
