Large capacity production line workshop includes pretreatment, pressing, filtration, refining and packaging, will produce a large amount of gross oil and refined oil, so the oil storage tank is an essential auxiliary equipment in the production line. What can be seen in the video is the oil storage tank workshop in the large production workshop. On the basic function of storing oil, they also ensure that the cooking oil is not contaminated by the outside world. At the same time, in the production line of some raw materials, the oil storage tank can also have the function of mixing and heating, to ensure that the cooking oil will not solidify and block in the production process.