December, 2019

Different Types of Food Pollutants

In fact, the most common cause of CE approved x-ray system manufacturer is biological pollution (microorganisms and toxic substances), which mainly affects fresh foods, such as nuts and vegetables.  There are many reasons for this type of pollution, including manufacturers’ use of contaminated water and unsanitary food processing practices throughout the supply chain.  It is also one of the main reasons for the product recall that there is no declaration on the label of allergy products such as nuts or dairy products.  These may be components of the product, or they may be cross-contamination formed by residues from mechanical processing or previous product processing procedures.  There is no equipment to help food manufacturers detect biological contamination. The best way to avoid such accidents is to implement a strong health program.
Foreign bodies are the double column digital x-ray machine factory of food contamination in Britain and the third most common cause in the United States.  Foreign matter includes many different substances, including metal, plastic, glass and wood from production lines or packaging lines.  Just because there are many kinds of foreign bodies, the nature of food pollution accidents is very different.

For example, a well-known U.S. meat supplier recently had to recall thousands of pounds of ground beef for fear that it might have contaminated blue thread ends.  It was found that this was because the cotton/polyester fiber mixture adhered to a production machine during routine cleaning.  The company believes that some of these silk threads eventually entered the finished products and were all distributed to warehouses throughout the United States.
In another well-known accident, a leading supplier of bread products in the United States voluntarily destroyed some well-known brand products, fearing that these products had contaminated glass fragments from a broken bulb in its baking equipment.  The company announced the recall after receiving three consumer reports that small pieces of glass were found outside the bread.  Although no injuries were reported, the accident was widely spread in many media channels.

Many similar incidents have taken place in Europe. fluoroscopy x-ray system supplier recalled some meat and vegetable pie products from large chain retail stores such as Asda and Lidl7 for fear of glass debris contamination.

Select the best technology for your application

Broadly speaking, there are two mainstream physical contaminant detection technologies-metal detectors and X-ray foreign matter detectors.  x-ray unit for cancer hospital manufacturer are applied by food manufacturers and processors to the critical control point (CCP) of many production processes. These processes determine the risk of pollution through risk analysis and critical control point (HACCP) audits.

Modern metal detector systems can identify all metals in food, non-food and drugs, including ferrous metals (chromium, steel, etc.), non-ferrous metals (copper, aluminum, etc.), and magnetic and non-magnetic stainless steels.  The X-ray foreign body detector system can also detect metal and nonmetal pollutants, such as glass, ore, calcified bone, high-density plastic and rubber compounds.  These detection systems can be installed at CCP to detect foreign raw materials before processing.  These systems can also be installed at the middle or end point of the production line or packaging line.
Although metal detectors and X-ray foreign body detectors can provide various functions 9, their pollution detection methods are not foolproof.  There are usually some areas of overlap between the two technologies, and careful consideration must be given to which is best suited to the application and budget at hand.  For example, metal detection is considered the most appropriate technology for aluminum contamination in non-metallic packaging.  Aluminum is a light metal and a good electrical conductor.  Because its ray absorptivity is lower than that of other metals (such as iron and stainless steel), it will lead to a decrease in sensitivity in the X-ray foreign matter detector system.  In other words, the size of aluminum contamination needs to be twice that of metal and stainless steel in order to achieve equivalent detection results.  On the other hand, due to the excellent conductivity of aluminum, metal detector technology can usually be used to detect smaller sizes, so the latter is usually a better solution.

However, when testing the metal contamination in aluminum foil packaging, the choice is inclined to the other side.  Metal detectors are difficult to find contaminants in aluminum foil packaging.  However, due to the working mode of the X-ray system, the influence of aluminum packaging materials on the detection level can be ignored.  The X-ray foreign matter detector can directly see through the low-density foil paper to better detect the metal contaminants in the package, which will provide a better solution in this case.  The simplest way to choose metal detector or X-ray foreign body detector is to start from application.  The first step is to carry out hazard analysis and critical control point (HACCP) audit or hazard analysis and risk-based preventive control (HARPC) audit.  The detailed differences between HACCP and HARPC10 will be described separately, but basically, HARPC also includes aspects such as potential terrorist acts and/or vandalism and food fraud.
Such audits will help understand the requirements of 600mA DR x-ray device price related to compliance with GFSI and/or major retail groups in gfsi.  HACCP audit will determine the pollution risks introduced into the manufacturing process and the types of pollutants that may be encountered.  Critical Control Points (CCP) should be established to reduce risks, and product testing equipment should be installed at these points to reduce pollution risks to an acceptable level.  HARPC audits also cover pollution in the manufacturing process, but also consider other security, such as visitor access and control.  Suppliers and recall procedures are also more formal. HARPC system requires food factories to determine and implement prevention and control measures based on science or risks, rather than critical control points (CCP).

Whether HACCP or HARPC methods are used, appropriate technologies should be selected according to the pollution risks during production, which are the same.  If the audit determines that metal is the only pollutant that may be found, then metal detectors may be the best solution.  Similarly, if it is determined that other pollutants may be encountered, such as glass, stone or high-density plastic, the UC Arm digital x-ray system factory is more suitable.  In either case, product testing is recommended to establish the most appropriate technology.  In many cases, there is only one suitable solution: metal detector or X-ray foreign body detector system.  However, it may be necessary to install metal detectors and X-ray foreign matter detector systems on different CCP in the same food environment and the same production line at the same time.

Compared with the use details of X-ray foreign body detector, the main characteristics are described in detail

The X-ray foreign body detector mainly uses mammography x ray supplier, integrated photoelectric technology, integrated computer, digital signal processing and other technologies to distinguish, extract and distinguish image information through vision and pattern recognition. zui finally realizes the processing of foreign bodies or missing products mixed in food.

With the penetration ability of X-ray foreign body detector, hard foreign bodies such as bones, plastics and various metal foreign bodies can be detected more sensitively and stably, helping you to improve the quality of finished products more effectively.  Not only can foreign matters in food be detected, including metals, glass, ceramics, stones, bones, plastics, etc.  Can also identify product defects, such as packaging cracks, bubbles, content defects, etc.;  Complete finished product inspection is realized.  X-ray foreign body detector is widely used in food industry.  The pharmaceutical industry;  Textile industry, integrated circuit board and other industrial industries.  Quality control in the food industry meets HACCP and IFS requirements to identify product defects, such as product breakage, product deformation or product missing, and eliminate potential product quality hazards.
Main Features of X-ray Foreign Body Detector;
1 There is no product effect, and the detection ability is not easy to be interfered by Emergency hospital x ray unit price.
2. The amount of X-ray leakage is small, which conforms to international standards and will not cause harm to operators.
3. The software has many functions such as product parameter storage, image storage, detection log storage and product quality evaluation management.
4. According to the different absorption effects of irregular foreign bodies on X-rays in different directions, multi-view X-ray sources ensure the detection degree of irregular foreign bodies.
5. In addition to the basic functions such as foreign body detection in software, it also has many auxiliary functions such as package defect detection, food defect detection and weight analysis.
6. The X-ray foreign body detector has a software self-learning function. Through the automatic software analysis of the tested object, the X-ray voltage and current parameters are adjusted to ensure the zui’s good detection accuracy.
7. The multi-view X-ray source is used to work synchronously. The product is irradiated simultaneously by one vertical and two horizontal radiation sources. zui covers the whole area to a large extent, avoiding blind areas and improving the possibility of detection.
8. The software of X-ray foreign body detector based on Windows is developed, which realizes parameter setting control and mechanical control of X-ray foreign body detection and fast foreign body detection algorithm of X-ray image.  The man-machine interface is friendly.

9. For foreign bodies are often close to the edge and bottom of the product or package, the self-use area shielding technology is adopted for each angle light source of the multi-view X foreign body detector to carry out targeted inspection on foreign bodies at the edge to avoid false inspection.
10. The X-ray foreign body detector adopts high-speed video Cam eraLink interface protocol, which enables the transmission speed of zui large image to reach 1.6Gbps, ensuring the system has good real-time performance in high-speed detection.  In addition, the use of radiography x-ray system company enhances the generality and expansibility of the detection system.
11. The functions of the X-ray camera, the drive of the X-ray linear array detector, the acquisition and transmission of image data, and the image preprocessing algorithm are all implemented on the single chip FPGA by adopting a highly integrated pure digital solution.  Zui greatly simplifies the structure of the system, improves the reliability of the system, reduces the failure rate of equipment, and is more reliable, stable and maintenance-biased.