Another important problem in the pelletizing process is the sealing problem, because the rotating pelletizing machine and other equipment working principle is not the same, the general equipment because there is no large extrusion pressure between the dust and the equipment, so the general use of oil seal, tetrafluor, labyrinth seal or gas seal to seal.
The rotary granulator will produce a large extrusion pressure during the extrusion process, so if the dust and oil and water are sealed, the material will run into the bearing, bite the bearing, knock out the gear, and if it is the food industry or the pharmaceutical industry, there will be very serious pollution.
Because the speed of the rotary granulator is very low, the mechanical seal cannot meet the requirements. In response to this situation, a new model has been designed to improve this problem, although the seal can not be solved, but it can let the material not enter the reducer, and it is easy to clean up the material squeezed into the reducer in time, so that it will not damage the reducer.
In the pelleting process because the material is sticky, and the smaller the aperture of the screen, the thinner the screen plate, the greater the extrusion pressure, the easier the screen is to break, which gives the majority of users in the actual production of a larger production cost, and consumes a lot of time to replace the screen.
According to the customer in the process of use, the screen disassembly of the granulator and the installation of the stopper bucket are more troublesome, improve the installation form of the screen, as well as the installation mode of the stopper bucket, and adopt the bayonet structure, so that the customer is convenient to disassemble and clean in the process of use, and the installation is simple.
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