BRPI0802932A2 - grain mixer for silo dryer - Google Patents

Abstract

GRAIN MIXER FOR SILO DRYER. The present report consists of a new mixer or blender format used in inconvenient grain elimination silos presented by those already known by the state of the art, CHARACTERIZED by the different shape of the "U" beams or sleepers (1). In addition to serving as a guide for the trolleys (6) of the helical threads (5) have a smaller weight than the other shape, the reducer (3) and the rack (4) for moving the whole set of helical threads and the sensors of approach (7) and (8) installed at the fixed end (9) that work together with the device or actuator (10) to control the inclination and buckling of threads placed on one of the beams. The present invention promotes easier assembly as it is a lighter system than conventional ones generating lower costs in the own assembly and operation, better control of the process that reflects in the drastic decrease in risks of accidents that can compromise the operator and mainly the elimination of Contaminant agents in the product like mercury that causes serious health problems and even the death of an individual.

Description

"GRAIN DRYER FOR SILO DRYER"

The present invention consists of a grain mixer for silos used for mixing and homogenizing the grains.

The silos are intended for grain storage and are mainly intended to keep the grain dry in order to prevent its deterioration by disposing on top of a manually controlled mixer or blender.

State-of-the-art mixer systems include a tensile wire rope that moves the end threads to the center of the silo or vice versa, possibly slipping or escaping the cable passing through a pulley making it difficult to process the equipment. If the wire rope escapes or locks into the pulley, the operator will have to climb up the mixer thread itself to release the cable and be exposed to serious accident hazards. Other faults found in the equipment concern the motors that support the motors and the threads, because having the shape of the "L" beam, there is an accumulation of bending product causing its deterioration because there is no means of removing these grains promoting along the oxidation of the beam. There is also a mercury sensor or ampoule attached to one of the motors with its thread that avoids excessive tilting by the thread's contact with the grain when the displacement of the assembly is activated. This sensor may cause contamination if it collapses and liquid metal flows over the stored product.

The developed set defines a distinctive format by correcting existing design failures and replacing some components that offer process complexity and risk to operators.

For a better understanding the descriptive report will bring references in the drawings represented by: Figure 1, perspective view of the entire assembly for better visualization of the invention;

Figure 2, partial perspective view highlighting the gear and rack system that causes the movement of the threads;

Figure 3 is a partial perspective view of the different shape of the crossbeams or beams supporting the motors and threads;

Figure 4, perspective view highlighting the system of desensors that replace the mercury sensor or ampoule;

The reducer (3) and rack (4) shown in figure 2 replace the steel cable and pulley used in other systems eliminating the possibility of the cable escaping or sliding over the pulley preventing the operator from having to climb the thread (5) to replace the gear. consequently preventing any risk of an accident.

Figures 1 and 3 highlight the crosspieces or beams (1) disassembling the U-shaped dimensioned components with the folds (2) facing inwards, preventing the accumulation of product as in the "U" shaped crosspieces. L "also performs the guiding function for the trolleys (6) which move the threads and facilitates assembly and considerably reduces the weight of the assembly.

The sensors (7) and (8) installed on the end (9) that holds or grips the sleepers (1) shown in figure 4, replace the sensor or ampoule that was installed together with one of the motors that rotates its respective thread. To nullify the risk of contamination of the product by the metal mercury, they control the advance of the threads avoiding their inclination and buckling.

When the threads exceed the tilt limit at the time of travel of the system, the cross members will tilt together, at the end where these beams are attached there is a device or actuator (10) that approaches the sensors, either up or down, disabling the horizontal offset to the threads return to the vertical position, thus returning the device to the center that reactivates the reducer for further displacement.

The set also offers features such as stopping any of the threads by a key in the silo entry port by the operator who chooses which one to suspend rotation by turning the key and adding two or more threads to speed up equipment performance noticeably faster. of the process.

In this way, the present invention will bring more safety to the operator without the need for risk from the equipment, offering a quicker and simpler assembly as well as being a lighter than conventional assembly and especially the exemption of contamination of the metal stock product. heavy duty vehicles offering greater reliability and reduced system costs.

Claims (2)

1. - "GRAIN DRYER FOR DRYING SILO", comprising a differentiated system used in grain-drying silos, CHARACTERIZED by the crossbars or beams (1) comprised of a "U" section beam where the upper and lower flaps have folds (2 ) facing the inner part by determining a guide rail for moving the trolleys (6) that move the threads (5), the reducer (3) and the rack (4) for horizontal movement of the entire thread system, the sensors (7) and (8) installed on the end (9) and driven by the actuator device (10).