1, feed formula: puffed floating fish feed feed formula should be designed according to the nutritional needs of each fish species combined with the characteristics of puffing, should ensure that the ratio of raw materials have more than 20% of starchy raw materials, additives should be selected to ...

In the new aquatic feed processing plant or the transformation of the original feed production line, the choice of extrusion machine should first consider its type, according to the feed production capacity to choose a matching extrusion machine; especially when the old plant transformation, should ...

Twin-screw extrusion puffing machine is a multi-screw extrusion puffing machine, is developed on the basis of the single-screw extrusion puffing machine, in the barrel of the twin-screw extrusion puffing machine, side by side placement of two screws, so called twin-screw extrusion puffing machine. ...

The screw of the single-screw extruder consists of a shaft that connects the screw units of various structures. The entire screw consists of three sections: feeding section, kneading section and melt homogenization section. After the material enters the barrel from the feed port, it undergoes the ...

Tractors were originally invented to replace animals that people used for farm work. The American industrialist Henry Ford - one of the pioneers of the modern tractor - was inspired by the desire for a machine that could work better on the farm than a horse. Before the advent of the tractor, oxen ...

It is mainly used to drive working machines with rotating components, such as rotating cultivators, winching devices, harvesting machines, plant protection machines and trailers with drive axles. The power output shaft can be divided into standard speed type and synchronous type according to the ...

Equipped with bulldozing shovel, shovel bucket, excavation bucket, loosening device and special transport trailer and other working devices and the corresponding linkage and control mechanism, in order to ry out earthwork shovel transport and traction and other operations of the tractor. General ...

Tractors can be divided into two categories according to the use of agricultural tractors and industrial tractors. Generally speaking, agricultural tractors with a variety of farm equipment, mostly in the softer and flatter field soil, with a more stable speed and rated load work. Industrial tractor ...

Agricultural tractors include general crop field plowing, harrowing, sowing, harvesting, transport operations of general-purpose tractors and for a specific area and crop working conditions and specially designed special-purpose tractors. Agricultural tractors according to the structure can be ...