Guangzhou stainless steel tableware material grade and authenticity identification method

1. Ditch drainage method Ditch drainage method is the main way of sewage discharge in the kitchen area of ​​large commercial canteens, and it is also a commonly used drainage method. Each kitchen function room or kitchen function area is equipped with open ditch drainage. The ditch should be covered with cast iron or stainless steel grates, and the grates should also have movable stainless steel covers that can be picked up at any time. Such a design can be suitable for the situation of the kitchen, which can prevent rats and insects, and is beautiful and convenient for school kitchen equipment, unit canteen equipment and other functional equipment. The length of the open ditch in a commercial kitchen should not exceed 30 meters, the slope of the ditch bottom should be between 0.5%-2%, the depth of the point (starting end) of the open ditch should be between 50-80mm, and the end of the open ditch should be equipped with a sedimentation tank and a rat-proof slag frame and other devices, which are suitable for the needs of commercial kitchen equipment. 2. Pipeline drainage method The pipeline drainage method in the canteen kitchen equipment is mostly used for the drainage points of kitchen equipment and canteen facilities, as well as the short-distance connection with the nearby drainage ditch. It is generally used outside the kitchen for the connection between the indoor drainage network and the outdoor kitchen grease trap and the municipal sewage main pipeline. In the kitchen area of ​​a large commercial canteen, when the ditch drainage is the main discharge method, the pipe diameter of the pipe row is recommended to be within 150mm, and the diameter of the outdoor sewage main pipe is greater than 200mm. 3. Pool drainage method When there are many kitchen equipment in a certain area of ​​the kitchen area of ​​a large commercial canteen, the required drainage points are concentrated and the drainage volume is large, the drainage method can be considered, such as the kitchen rough processing room, kitchen tableware disinfection and washing room, kitchen cleaning and processing room and other areas. The pool drainage method is to set up a ground pool below the kitchen ground level. The size of the ground pool is based on all the drainage points in this area. The pool is connected to the drainage ditch, and a slag basket is made at the outlet to meet the functional requirements of the kitchen area of ​​a large commercial canteen. The depth of the ground pool is generally between 80-200mm, which can be flexibly selected according to the environmental conditions of the construction site. Keywords: school canteen kitchenware, canteen stainless steel kitchen equipment, school kitchen renovation project, Guangzhou kitchenware factory.