RU2373677C1 - Seed treater - Google Patents

Abstract

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural engineering particularly to machines for treating seeds with protective-promotive agents. The seed treater includes a tanker with a metering unit for seeds, a seed treatment chamber that has a stationary distributing cone with flow dividers as guides and a working fluid solution sprayer as a stream-forming device of ejection slot-type. The stream-forming device is made as two parallel figured disks fastened with a bolt through a washer and with a capacity of forming a height-adjustable slot-type nozzle for circular distribution of fluid and has a feeding cavity-collector connected with the lower disk of a bigger diametre. The ring-type feeding cavity-collector is equipped with openings in the upper part for installation of jets whose ends are placed in the same plane as the direction of flat air jet from the slot-type nozzle and a connecting branch to supply the working fluid. The lower disk has an air-feed connecting branch with four channels.

EFFECT: invention enables to extend technological capabilities of the treater, improve reliability and performance of the machine, simplify its structure and improve quality of treatment.

3 dwg

Description

The present invention relates to agricultural machinery, mainly to seed dressers for processing them with protective stimulating substances.

Known devices for seed treatment (AS USSR No. 345891, 1970, the Federal Republic of Germany patent No. 1907269, 1974), including a seed hopper with a dispenser, a seed distributor and a liquid sprayer mounted underneath. In these devices, the seeds coming from the hopper in a certain dose are scattered by the dispenser in a thin layer and poured down, crossing the torch of the droplet stream of preparations created by the sprayer located under the seed dispenser. The latter are covered with drops.

The disadvantage of such analog devices is that the dispenser does not provide the optimal duty cycle of the seed flow in the zone of their intersection with the drip flow of drugs.

A device is known, which we adopted as a prototype (patent RU No. 2250589, А01С 1/08, 2003), including a seed hopper with a dispenser, a seed dressing chamber, in which a stationary distribution cone with flow dividers in the form of guides and a liquid atomizer are installed in the form jet-forming device ejection-slot type.

The disadvantage of the prototype is the complexity of the design, due to the installation of a large number of nozzles of the jet-forming device in order to apply the working fluid at an angle of 360 ° (circular flow of fluid for seed treatment).

The technical solution is to expand the technological capabilities of the dresser, increase the productivity of the machine, simplify its design and improve the quality of the pickling.

The technical problem is solved in that in a seed dresser, including a seed hopper with a metering unit, a seed dressing chamber, in which a stationary distribution cone with flow dividers in the form of guides and a spray of a working fluid solution in the form of an ejection-slot type jet-forming device are installed, according to the invention, a jet-forming the device is made in the form of two parallel shaped disks, bolted through a gasket with the possibility of forming a height-adjustable slot nozzle for circular distribution of fluid, and has a nutrient cavity-collector connected to the lower disk of a larger diameter, while the nutrient cavity-collector of the ring type is provided with holes in the upper part for the installation of nozzles, the ends of which are installed in the same plane with the direction of the flat air stream from the slot nozzle and a nozzle for supplying a working fluid, the lower disk itself is equipped with an air supply pipe with four channels, and the upper disk is bolted to the base of the stationary distribution cone.

The novelty of the proposed proposal is due to the fact that, compared with the prototype, it has wider application possibilities, ensuring process reliability, greater productivity, simplification of design, because one sprayer applies the working fluid at an angle of 360 °. The quality of dispersion of the working fluid also increases, as it is fed from the bottom of the jets onto a flat air stream. The interchangeable washer of the jet-forming device between the disks allows changing the speed and range of the jet, and the smaller diameter of the upper disk in comparison with the lower one improves the spray quality due to the high-speed characteristics of the air jet.

According to scientific, technical and patent information, the claimed combination of features has not been identified, which clearly follows from the existing level of technology, which allows us to conclude about the inventive level of the invention.

The invention is illustrated in the drawing, where figure 1 shows the technological scheme of the etch, figure 2 is a view aa, figure 3 is a view of the spray gun with nozzles from above.

The seed treater includes a hopper 1 with a dispenser 2, a seed dressing chamber 3, in which a stationary distribution cone 4 with flow dividers in the form of guides and a spray of a working fluid solution in the form of an ejector-slot type jet-forming device are installed. The latter is made in the form of two curly parallel disks 5 and 6, fastened together by a bolt 7 through a removable washer 8 of a certain thickness with the formation of a height-adjustable slot nozzle 9 for circular (at an angle of 360 °) distribution of the working fluid solution, and has a nutrient collector cavity 10 ring type with holes in the upper part for installing the nozzles 11, the ends of which are installed in the same plane with the direction of the flat air stream from the slot nozzle 9. The lower disk 6 is equipped with an air inlet pipe 12 from the computer an essor (not shown) and four channels 13, and the feeding cavity-collector 10 - a pipe 14 for supplying a solution of the working fluid from the equalization tank 15, in communication with the reservoir 16 for the working fluid through the valve 17. The jet forming device from disks 5 and 6 together with a fixed to the disk 6, for example, by welding with a nutrient cavity-collector 10 are bolted 19 to the base of the stationary distribution cone 4 in the pickling chamber 3. The distribution cone 4 has flow dividers in the form of guide plates 18.

The disinfectant works as follows. Seeds from the hopper 1 by gravity through the dispenser 2 enter the surface of the distribution cone 4 and, rolling along it to the flow dividers in the form of guide plates 18, fall into the seed dressing chamber 3. The throughput (productivity) of the seed dresser is regulated by the metering shutter 2. Air from the compressor through a receiver, a pressure regulator, a tap (not shown) and an air fitting 12 enters the spray-forming device of the atomizer, consisting of two disks 5 and 6 fastened by a bolt 7 through an adjusting washer 8. Next The air passes through the slotted nozzle 9, and the working fluid coming from the reservoir 16 through the equalizing tank 15 through the hydraulic line, through the feeding pipe 14 enters the feeding cavity-collector 10 and is ejected from the nozzles 11 by a plane-parallel air stream flowing from the jet-forming device, dispersed and applied 4 seeds falling from the distribution cone. The cutoff of the supply of the working fluid to the air stream is made by lowering the surge tank 15 below the location of this stream. This is done by a simple device (not shown).

The flow rate of the working fluid and the dispersion of the spray are controlled by the air pressure from the compressor by the pressure regulator, the size of the slotted nozzle of the jet-forming device with a washer 8, and also the pressure of the working fluid by changing the height of the equalization tank.

Claims (1)

A seed dresser, including a seed hopper with a metering unit, a seed dressing chamber, in which a fixed distribution cone with flow dividers in the form of guides and a spray of a working fluid solution in the form of an ejection-slot type jet-forming device are used, characterized in that the jet-forming device is made in the form of two parallel shaped discs bolted through a gasket with the possibility of forming a height-adjustable slotted nozzle for circular distribution of fluid, and there is a feeding cavity-collector connected to the lower disk of a larger diameter, while the feeding-cavity of the collector ring type is equipped with holes in the upper part for the installation of nozzles, the ends of which are installed in the same plane with the direction of a flat air stream from the slot nozzle and a pipe for supplying working fluid while the lower disk itself is equipped with an air supply pipe with four channels.

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