Why machinery patented product 1, 2012 grand national utility model patents 2, multi-functional design: particles briquetting machine three rods, mechanical stamping design: the protection of forming a stable 4, mold long life: up to 200-700 tons of 5 high productivity: are produced up to 0.8 to 10 tons / hour 6, high density: 1.3 7, simple operation: high degree of automation, only 2 8, wide applicability of raw materials: plant stalks, grain shell, wood chips, sawdust, bamboo powder, furfural residue, 9, 24 hours of continuous work to achieve: the installation of the device itself strong injection pump lubrication, heat exchange equipment set 10, a long time without hwan machinery lubricants: the device settings to reduce pollution by dust ring die bore structure: ring mold die hole main straight holes, tapered bore, tapered bore and with pressure inside the hole and so on. Depending on the biomass feedstock, using the hole in the form of different types of mold. Compression ratio is a reflection of the strength of particles as an indicator of the extrusion, i.e. the ratio of the effective thickness of the ring die and the die hole diameter (l / d), a ring die compression ratio is small, the effective length of the die hole is shorter, the material in the die 孔中成 type pressure is small, easy extrusion ring mold, although high yield, but made out of loose pellets, the appearance is not smooth; the effective length of the ring mold compression ratio, the die hole length, the greater the material suffered in the die hole pressure, corresponding made out of high particle density, particle smooth and good quality, but the particle machine production will decline, the system will be a corresponding increase in material costs. Guide cone material role is to facilitate the material into the mold hole course guide cone material easy to wear, the material must guide cone timely repair. Outer cone ring mold is mainly used straw, wood chips and other biomass feedstocks granulation. When the die hole diameter d by saving wear and tear becomes larger biomass pellet machine, die hole length l will be longer, so that the compression ratio is relatively stable biomass pellet machine to ensure the hardness of the particles. Ring die bore by an equilateral triangle arrangement. Ring die opening ratio d2 / 4 (d + 6) 2. The higher the value, the more the material, but it will reduce the intensity of the ring mold sawdust biomass pellet machine, easy to crack; the lower the value, the distance between the die hole 6 is larger, the greater the intensity of the ring mold, the less the material . So biomass wood pellet machine, be sure to determine the size of the opening rate according to the intensity. For straw, wood chips and other materials, opening rate than the feed ring mold smaller ring mold to ensure the ring mold with good strength to prevent cracking of the ring mold. Die hole roughness is an important factor affecting the particles forming. Under the same conditions the compression ratio, the more difficult the die hole out of the coarser particles, too coarse particles also affect the surface quality, suitable roughness values ??should be between 0.8 and 1.6. Surface-hardened alloy steel ring die easily worn away the hardened layer, resulting in reduced service life. Now ring mold manufacturing production in general, after the heat treatment plus a fine reaming process, increase ring mold finish to guarantee a ring mold the material. Wood biomass pellet machine | Shuangyashan Brand biomass pellet machine prices | grand expertise provided by the Zhengzhou City grand Machinery Manufacturing Company Limited. Zhengzhou City grand Machinery Manufacturing Co., Ltd. (www.sdfensuiji.com) strong, credible, in Zhengzhou crushing grinding equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the grand machinery and you hand into the brilliant, for a better future!