THJ60 Tri-screw Extruder

Dense Melting Three-Srew Extruders Functional Analysis. The Dense Melting Three-Screw Extruder is a new kind of three-screw extruder, and also is the 21st century new extruding machines, its being published has filled the world blank, will certainly to initiate a technological revolution of the extruding machine profession, and will become the main army of the next plastic production equipment. At present, this machine is type 60, the screw diameter 60 millimeters, the center distance 54 millimeters, the L/D= 30:1, the screw rotational speed 500rpm, main power 55-75KW, uses the frequency conversion velocity or the direct-current velocity, complete a special water-ring hot-face installment. Under two years tests in kinds of condition, the machine is running steadily, safely, and reliable.1High cutting efficiency, good plastified efficiency One pair of screws have a meshing point, but three screws have three meshing points. Namely is equal to three pairs of twin-screw, therefore the cutting efficiency is high, the material is easy to plastify. When the experimental pigment contains 15% blue color grain, extracts the screw to examine, seeing the material is already plastified in middle of the screw, this explained its plastified effect was good.2Good dense melting function and disperser effect The three screws densely arrange together, and form a closed space in the central area. The screw rotates a ring every time, passes in the identical section this center space after the area changes from 7.5 millimeters to 321 millimeters, changes three times namely works as when the compression ratio is 43 time of screw rotational speeds is 500 rpm, changes 3X30X500=45000 time, if the material pauses 20 seconds in the screw, then the material in the screw will receive 15000 force backlogs and rubs, thus is evenly plastified and dispersed. Therefore this machine is the collection of dense melting and extruding. The practice proved when producing carbon black masterbatch material, the carbon black content may reach 55%, producing low smoke non-halogen flame-resistant cables, the magnesium hydroxide content may reach 90%, producing the PP or the PE masterbatch, the calcium carbonate content may reach 85% or above, and the effect is very good.3High output, low energy consumption Its output is double than the twin-screw extruder with the same size and power. To produce the same quantity products, it reduces the costs of manpower, location and so on. Because its small length to diameter ratio, main motor power and heater power reduced, it conserves energy.4Good exhausting performance This machines air vent is without any material accumulated, no spouting of material and jamming phenomena, its reason is the material nearly all densely is inhaled in the screw center area, the dense melting area is like a melt pump, so there is no spouting of material. So this machine can achieve the very high vacuum degre and improve the product quality.5The material resident in the cylinder shortly, hard to degrade This machines length to diameter ratio is short (the present is 22, can be shorter according to certain materials), 22 lengths to diameter ratio are equal to the twin-screw 66 length to diameter ratio, the materials resident time in the cylinder may reduce 1/3, therefore, this machine suits in the heat-sensitivity and fears to be degraded material. After this machine passes through each material test run, was smoothly through the equipment experimental stage, at present its performance is more superior than any pair of the twin-screw extruder domestic or foreign, specially suited producing upscale products, obtained the expert and professional's strong approval. It already serialized, and put in the market in batch, so it will certainly receive the domestic and foreign users welcome, also was the start of extruding machines epoch-making revolution.