4 results about "Granulation procedure" patented technology

The present disclosure discloses a composition suitable for direct compression into tablets without prior granulation procedures comprising: a) mesalamine or its prodrug or derivatives thereof and b) at least one pharmaceutically acceptable excipient, wherein the composition is directly compressed into a minitablet such that largest dimension in the minitablet is range of 1.00 mm to 2.8 mm. Further disclosed is a process of preparation of composition of the present disclosure.

The invention discloses a biomass pellet fuel and a preparation method, and relates to the technical field of fuel production and processing, the preparation method comprises the following steps: crushing: conveying a biomass raw material to be treated into a crusher for crushing to form uniform material chips; drying: conveying the material scraps into a drying machine from the crusher for drying; granulation: putting the dried material chips into a granulation forming machine to form formed regular material particles; wherein material scraps are conveyed into the drying machine from the pulverizer through the conveyor, and a dustproof device is arranged on the conveyor and used for collecting and cleaning dust generated when the conveyor conveys materials; according to the preparation method, the dust entrained by the material scraps is collected through the dustproof device, so that dust pollution caused by the entrained dust in subsequent drying and granulation procedures to corresponding preparation equipment is avoided, the subsequent cleaning work intensity is reduced, and the quality of the material prepared by the preparation method is guaranteed.

The invention provides an efficient fibration unit and a material fibration method. The efficient fibration unit comprises a feeding system, a constant-pressure fibration kneading machine and an air-blowing type pelletizer. The kneading machine comprises a heatable chamber, a piston type constant-pressure top cover and a kneading wheel, constant pressure of an inner cavity is ensured by controlling the displacement of the piston top cover, and an electric sliding plate valve is arranged at the bottom of the heatable chamber. The air-blowing type granulator is connected with the kneading machine through a connector and comprises a closed powder collecting barrel and a scraping and screening granulation assembly. The scraping and screening assembly comprises a conical screen, a triangular scraper and a gear motor, the tip of the screen is downwards fixed to the inner wall of the collecting barrel, the scraper is attached to the inner wall of the screen and installed on an output shaft of the motor, and an air guide pipe is arranged in the motor and communicated with an air source. The piston type constant-pressure top cover, the heatable chamber and the electric sliding plate valve are utilized to form the sealed inner cavity of the kneading machine, the piston type constant-pressure top cover is matched to keep the constant pressure of the inner cavity of the kneading machine, the electric sliding plate valve is utilized to realize seamless switching of fibration and granulation procedures, and the continuity of the whole operation is improved.

The utility model relates to the technical field of polystyrene processing, and discloses an air-cooled water chilling unit for expandable polystyrene granulation, which comprises a material conveying trough, the angle of the material conveying trough adopts a dip angle design with a low left part and a high right part, and the left side of the bottom of the material conveying trough is fixedly connected with a cross support. A motor is fixedly connected to the bottom of the cross-shaped support, a rotating cylinder is fixedly connected to the output end of the motor, the rotating cylinder is rotatably connected to the interior of the material conveying groove, a plurality of partition plates are fixedly connected to the interior of the rotating cylinder at equal intervals, and a feeding and discharging hole is formed in the bottom of the outer side of the rotating cylinder. According to the utility model, the motor drives the rotating cylinder to rotate, the air outlet cylinder and the air suction fan form air circulation, and the protective shell protects the motor, so that automatic conveying and efficient air cooling of expandable polystyrene materials are realized, the materials with proper temperature can be continuously provided for the subsequent granulation process, and the granulation quality and efficiency are improved.