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The liquid antioxidant with crystal nucleus fed by means of a jacket pump from the pre-conditioner to the drop former by jacket piping. These piping are heated by hot water. The pastillation unit consists of a drop-former a steel belt cooler.
The drop former is designed according to the Sharp Nozzle patented for REBO and consists of stator which is supplied with liquid product and a perforated rotating outer shell with sharp nozzle which turns concentrically around the stator depositing antioxidant drops across the whole belt width.
circumferential speed of the drop former is synchronized with the speed of the belt cooler. The drops are therefore deposited on the belt without deformation and, after solidification, result in regular pastilles with an optimum shape. The heat released during solidification and cooling is transferred by the stainless steel belt to the cooling water indirectly. This is sprayed against the belt underside, collected in tanks, and returned to the re-cooling plant, In no phase the cooling water gets in contact with the antioxidant. At the cooler end the pastilles are taken off with a discharge knife and pass via chutes to a bagging system. The diameter of pastilles is about 4-6mm and its height is about 2.5-3.5mm. The width of the complete machine is 1800mm and 2100mm and its length is 13m, 18m and 25.5m. The output of single machine is 500kg/hr, 1000kg/hr, 1500kg/hr and 1800kg/hr. It can be matched with semi-automatic or full-automatic packing machine to complete automatic packing and stacking.
● The maximum capacity of single machine reaches up to 1800kg/hr;
● The sharp nozzle patented technology, there are thousands rows of sharp nozzle type hole on the surface of outershell;
● The innovation technology based on the introduction and ingestion of Germany granulator technology;
● Our company has passed united technology assessment by SINOPEC technology development center and the introduced major equipment domestication office, belonging to ministerial appraisal;
● Pastilles is plump, and with good flowability;
● The cooling water and product not contacting mutually, cooling water is not polluted by product;
● Easv operation, Less wearing parts, low operation cost, and stable quality;
● The stable quality ensures the successful start-up for one time;
● Nanhua Group purchased 8 machines for one time, there are 15 Rebo machines American machines successfully re-innovated by Rebo, with a total of 19;
● Continuous steel belt and equipment overall package ensure that steel belt does not deviate and damage V rope;
Main ahceivements: 1.SINOPEC Nahua Group; 2. Carlyle Sinorgchem; 3. Taian Sinorgchem; 4. Shanxi Xiangyu Chemicals; 5. Dongbei Antioxidant Chemicals; 6. Shandong Sunrine Chemicals.