SU1605337A1 - Ammoniator-granulator - Google Patents

Abstract

The invention relates to the chemical industry, in particular to the large-scale production of complex granular fertilizers. The aim of the invention is to improve the quality of the product and the economy of ammonia. The ammoniation granulator contains a rotating drum, a component loading device, and a product discharge unit. Inside the apparatus there are pipelines for the supply of sulfuric acid and absorption effluents, a collector with vertical outlets for the supply of ammonia water. New in the apparatus is that. that the collector is equipped with partitions, one of which is made in the form. seat, hollow stem with holes, the end of which is made in the form of a spool. The rod makes a progressive movement on the collector. All this ensures the presence of at least three ammonization zones. 1 il.

Description

 The invention relates to the chemical industry, in particular to the large-tonnage production of complex mineral fertilizers based on ammonia, phosphoric, polyphosphoric and nitric acids and other nitrogen and potassium-containing components.

The purpose of the invention is to improve the quality of the product, improve the granulation process,

The drawing shows an ammonizing agent - granulator.

The ammoniation granulator contains a rotating drum 1, a loading device 2. designed to supply solid components, a product discharge unit 3. Inside the ammoniation granulator, pipelines 4 are installed for supplying sulfuric acid and absorption effluents, a collector 5 with vertical outlets for supplying ammonia water. Through the collector 5, the partitions 6 and 7 are made by the hollow rod 8 with openings for supplying ammonia to the center

ammoniation granulator torus. At the end of the rod has a spool 9, which enters the saddle 10. The translational movement of the current 8 is performed using the steering wheel 11.

Ammonization granulator works as follows.

The initial bulk components and retur (ammonium sulphate, simple superphosphate. Potassium chloride) through the charging device 2 enter the rotating drum 1, where sulfuric acid and wastewater from the absorption system are simultaneously supplied via pipelines 4. Ammonia water flows through the collector 5 with vertical outlets. The collector 5 is arranged in such a way that ammonia water first enters the space between the iB and 7 partitions, which allows ammonia to be dosed in the ammonia head, and through the hollow stem B, ammonia water enters the space between the b partition and the saddle 10 and through the holes in the floor of the rod and then through the vertical branches enters the center of the ammonizer in the required quantity.

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Pull out the rod 8 using the steering wheel 11, the spool b (the spool is rigidly fixed on the rod) is withdrawn from the saddle 10, which allows the ammonia water to flow into the tail part of the ammonizer. Thus, the issuance and the slide of the rod, the flow of ammonia water in the tail section of the ammonium granulator is regulated.

Ammonia from ammonia water is used to neutralize the sulfuric acid fed to the ammonia granulator to neutralize the free acidity of superphosphates, as well as to deep ammonize simple and double superphosphates. The product obtained as a result of mixing and granulation through the discharging unit 3 enters the drying drum, where it is dried, then to the classification in a two-screen rumble. The coarse fraction goes to the crusher, then returns to the screen. The fine fraction of 1 mm as a retour is fed to the loading device 2. The commodity fraction, after cooling, enters the warehouse ,.

Claims (1)

The formula of the invention Ammonization granulator torus. containing a rotating drum, loading device and unloading unit, pipelines for entering reagents, horizontal ammonia supply pipe with vertical outlets, characterized in that, in order to improve product quality and reduce ammonia losses, the ammonia supply pipe is provided with annular partitions installed inside one of which is made in the form of a saddle, and a hollow movable rod coaxially mounted relative to the partitions, the end of which is made in the form of a spool interacting with the seat regorodki at ztom end of the rod is perforated. Absardzite Drain L / Ng Jfvcffp / ng.