The Safety Guardian for Beverage and Liquid Food Production A Comprehensive Guide to Efficiently Selecting Pass Box
创建于04.24
1. Clarify Usage Requirements
· Cleanliness Level Requirements: Beverage and liquid food production work shops usually have different cleanliness level requirements. For example, filling work shops generally require a higher level of cleanliness, and the Pass Box need to match this requirement to prevent external contaminants from entering. Understand the specific cleanliness level of the production environment, such as Class 10,000 or Class 100,000, so as to select a Pass Box that meets the requirements.
· Type and Size of Transferred Items: Consider whether the items to be transferred are beverage bottles, raw material barrels, or smaller packaging materials and tools. Determine the internal size of the Pass Box according to the maximum size of the items to ensure that the items can pass through smoothly. At the same time, consider the frequency and efficiency of transfer. For example, if a large number of items need to be transferred frequently, a Pass Box with an automated device or a larger opening can be selected.
2. Pay Attention to Functional Features
· Interlock Function: The Pass Box should be equipped with a reliable interlock device, such as a mechanical interlock or an electronic interlock. Ensure that the two doors cannot be opened simultaneously to prevent the direct circulation of air between the clean area and the non-clean area and avoid cross-contamination.
· Purification Function: For the beverage and liquid food industry, it is recommended to select a Pass Box with a purification function, such as an air shower Pass Box. It can clean and disinfect the items during the transfer process, effectively removing surface dust and microorganisms. The parameters of the air shower Pass Box, such as the air speed and the air shower time, should comply with relevant standards. Generally, the air outlet speed of the air nozzle should be above 20m/s, and the air shower cycle can be set to about 15 seconds.
· Disinfection Function: Be equipped with disinfection equipment such as ultraviolet germicidal lamps to regularly disinfect the interior of the Pass Box to kill possible bacteria and viruses. The power, irradiation time, and intensity of the ultraviolet lamps should meet the disinfection requirements, and it should be easy to replace and maintain.
3. Consider the Material and Structure
· Material Selection: The material of the Pass Box should comply with the hygiene standards of the food industry and have the characteristics of being non-toxic, odorless, corrosion-resistant, and easy to clean. Common materials include stainless steel plates, such as SUS304 stainless steel, which has excellent anti-corrosion performance and good resistance to intergranular corrosion, meeting the requirements of the beverage and liquid food production environment. You can also choose a Pass Box with an outer box made of cold-rolled steel plate and an inner box made of stainless steel, which is relatively more affordable.
· Structural Design: The structure of the Pass Box should be simple and reasonable, making it easy to clean and maintain. The inner wall should be smooth and clean, without dead corners or gaps, to avoid dust accumulation and bacterial growth. The workbench surface can be made of stainless steel plate or a non-powered roller according to needs. The non-powered roller is convenient for long-distance item transfer, making the transfer easier and more convenient.
4. Select the Appropriate Size and Specification
· Size Matching: Select a Pass Box of an appropriate size according to the spatial layout of the production workshop and the size of the transferred items. Common sizes of Pass Box include an outer size of (685×500×590)mm and an inner size of (500×500×500)mm, as well as an outer size of (785×600×690)mm and an inner size of (600×600×600)mm, etc. Non-standard sizes can also be customized according to special needs.
· Specification Selection: In addition to the basic size, also consider other specification parameters of the Pass Box, such as the opening method of the door and the size of the observation window. The double-door structure of the Pass Box is more common. The observation window is convenient for operators to observe the transfer process, and its size should be moderate, which can not only meet the observation needs but also not affect the structural strength and sealing performance of the Pass Box.
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