An environment-friendly shelling system comprising the sheller with multilayer modules, the sheller comprising a cylinder, wherein fixed screens and rotating screens are provided in the cylinder, for each fixed screen,
- the fixed screen is arranged opposite to a corresponding one of the rotating screens, a shelling cavity for shelling is provided between the fixed screen and the corresponding one of the rotating screens, a mesh size of the fixed screen is greater than a mesh size of the corresponding one of the rotating screens, and a respective one of material receiving plates is coaxially provided below and co-rotated with the corresponding one of the rotating screens;
- feeding ports and discharging ports are provided on a side wall of the cylinder, one of the feeding ports is provided above the fixed screen, and one of the discharging ports is provided between the corresponding one of the rotating screens and the respective one of the material receiving plates;
- the cylinder comprises a top-layer cylinder body, a plurality of middle-layer cylinder bodies, and a bottom-layer cylinder body which are arranged from top to bottom in sequence, a bottom of the top-layer cylinder body is provided with a first fixed screen of the fixed screens, a top of each of the plurality of the middle-layer cylinder bodies is provided with a first rotating screen of the rotating screens, a bottom of each of the plurality of the middle-layer cylinder bodies is provided with a second fixed screen of the fixed screens, and a top of the bottom-layer cylinder body is provided with a second rotating screen of the rotating screens;
- a side wall of the top-layer cylinder body is provided with a first feeding port of the feeding ports, and the first feeding port is provided above the first fixed screen;
- a side wall of each of the plurality of the middle-layer cylinder bodies is provided with a first discharging port of the discharging ports and a second feeding port of the feeding ports, and the first discharging port and the second feeding port are respectively arranged above and below a first material receiving plate of the material receiving plates;
- a side wall of the bottom-layer cylinder body is provided with a second discharging port of the discharging ports, and the second discharging port is provided between a second material receiving plate of the material receiving plates and the second rotating screen;
- each of the plurality of the middle-layer cylinder bodies is provided with a first central shaft and a first support plate, and the bottom-layer cylinder body is provided with a second central shaft and a second support plate, an inner side wall of each of the plurality of the middle-layer cylinder bodies is connected to an end part of the first support plate, and an inner side wall of the bottom-layer cylinder body is connected to an end part of the second support plate, a center of the first support plate and a center of the second support plate are rotatably connected to a bottom of the first central shaft and a bottom of the second central shaft respectively, a middle and a top of the first central shaft are respectively connected to the first material receiving plate and the first rotating screen, and a middle and a top of the second central shaft are respectively connected to the second material receiving plate and the second rotating screen;
- the environment-friendly shelling system comprising:
- a nutshell and kernel separating machine used for separating a kernel and a nutshell, wherein the nutshell and kernel separating machine is placed beside the sheller with multilayer modules, and the first discharging port of the side wall of each of the plurality of the middle-layer cylinder bodies and the second discharging port are connected to a top inlet pipeline of the nutshell and kernel separating machine.