SU569319A1 - Vibrating granulator - Google Patents

Description

(54)

VIVROGRANULATOR

one

The invention is intended to form powdered materials (e.g., adsorbents) into spherical granules with a drinker of plasticizers and binders, namely, for vibro granulation.

A device for granulating is known. van, containing equipped with a vibrator working capacity, made in the form of a chute, above. Which are located hopper and nozzle for feeding the binder (1 1.

The device operates as follows. Powder from the metering hopper and the associated liquid from the nozzle are continuously fed into the chute. The powder is moistened with a binder, in the process of vibration it rolls around into spherical granules, which are ejected from it as the working capacity is filled.

Such a device cannot be used to vibro-granulate a wide range of formable masses with strict requirements for shape, size, and especially strength of the formed granules. For example, it is not possible to obtain mechanically strong granules of sorbent jQB in it, because of the limited time of reduction in the working capacity. In addition, the dosing of the powder in one place of the working capacity makes it impossible to successfully carry out the molding of those materials: in which the ratio of the liquid-solid phase changes during granulation.

The known vibro-granulator contains a horizontally disposed cylindrical tank with a loading window in the upper part, equipped with a vibrator, and a tz hopper above it.

The device works as follows. A moldable mass is loaded into a cylindrical container, the container is closed and is driven back and forth from the vibrator. The mass is treated for a predetermined time, then unloaded.

This device is the closest to the proposed technical essence and the achieved result,

However, the process of vibro-granulation takes place in a closed cylinder; as a result, large aggregates can be formed, which leads to a sharp decrease in the yield of the target cPraccin.

The goal of the invention is to increase the yield of the target fraction.

Claims (2)

The goal is achieved by T & L that the loading window is made along the entire length of the tank and the hopper is equipped with a grid whose length is equal to the length of the loading window. In addition, the loading window, located in the upper part of the working bone, is made at an angle of 30-60. to a horizontal plane with an angular size of 45 "-90. FIG. 1 shows the proposed device, a general view; Fig, 2 - the same, in a tical incision. The internal granulator contains a horizontally arranged cylindrical volume 1, eccentrics 2 mounted coaxially with the cylinder, mounted on the shaft of the electric motor 3. In the upper part of the entire length of the cylindrical capacitance, a loading window 4 is located. .ZUnthalnogo, plane and with an angular size of 45-90 °. A hopper, 5, which is able to move in a vertical plane, for example, through block B, is placed above the electric motor. For example, a mesh 7 and rubber shock absorber are installed in the bottom part of the hopper. 8. The length of the grid / corresponds to the length of the loading window. The device works as follows: The rotation of the rotor of the electric motor 3 and the eccentrics 2 connected to it rotates the cylindrical working capacity 1 in a reciprocating movement. a slide, which slopes to a horizontal plane is 30-60 (depending on the engine speed and the amount of imbalance). During the compacted process, a liquid phase occurs on the surface of the particles, which can lead to NIJ particles and deterioration of the fractional composition of the granules. The sticking together of particles at the time of granulation prevents, uniformly (periodically or continuously depending on the properties of the moldable mass) dispensed powder from the hopper 5. To do this, at the required moment, with the help of block b, lower the hopper 5 until rubber shock absorbers touch 8 working capacity 1. The impact of working capacity on the hopper leads to the compres sion of the bunker and sifting of the powder through the mesh onto the moldable mass. Making the loading window along the entire cylinder, and the length of the super-1 ki of the metering hopper, the length of the loading window makes it possible to uniformly dispense the original powder along the entire length of the working capacity, which is extremely important for obtaining a homogeneous fractional product. Execution of the loading window at an angle to the horizontal plane and with an angular size of 45-90 ° allows the process to be carried out on the one hand, not blindly, on the other hand it excludes mass ejection from the vibrator. Favorable conditions are created for the vigorous movement of the formable mass, which contributes to a better compaction and rolling up of the plastic mass loaded into the vibrating granulator into spherical granules of a given size. Claim 1. Vibrogastron containing horizontally located cylindrical tank with a loading window in the upper part, equipped with a vibrator, and a dosing bunker mounted above it, characterized in that, in order to increase the output of the target fraction, the loading window is made along the whole length and the bunker - the batcher is supplied with a grid which length is equal to length of a loading window. 2. Vibro granulator under item 1, characterized in that the loading window is made at an angle of 30-60 ° to the horizontal plane and with an angular size of 45-90 °. Sources of information: shares, taken into account in the examination: 1. US Patent 3311680, cl. 264-37, 04/28/67. 2. Adsorbents, their preparation, properties and application. Proceedings of the All-Union meeting on adsorbents. L., Science 1971, p. 66