Method for preparing of feeds and apparatus for performing the same

FIELD: agriculture, in particular, preparing of feeds for cattle, in particular, for young animals.

SUBSTANCE: method involves providing agricultural products and mixing with water; providing hydrodynamic, cavitational and thermal processing thereof; during preparing, directing mixture through system of movable channels having section variable in the course of flow, with energy of collapsing cavitational bubbles being released during passage of mixture through said system of movable channels; directing obtained energy to processable mixture repeatedly movable along closed contour for bringing it to homogeneous state at temperature of 50-70ºC. Apparatus for preparing of feeds has chamber with inlet and outlet branch pipes. Stator and rotor are incorporated in chamber. Apparatus is further provided with preliminary mixing hopper connected through inlet and outlet pipings with chamber branch pipes so as to define closed contour for flowing of mixture. Rotor is furnished with large-sized tangential blades uniformly distributed thereon for dividing it into sections. Small-sized radial curved blades are arranged around the circumference of rotor in sections. Blades, both large-sized and small-sized, have variable height increasing from rotor center toward periphery thereof, and are adapted for defining variable section channels. Stator has nozzle-type channels arranged radially and uniformly around the circumference thereof.

EFFECT: simplified process of preparing feeds and improved quality of resultant feeds.

3 cl, 3 dwg

 

The invention relates to the field of agriculture, and is intended for the preparation of feeds of high quality and good digestibility for cattle fattening, especially the young.

There is a method of processing of agricultural products, including grinding of the raw materials, mixing it with water, heating and mixing (see Egorenkov M.I. and other Fodder farms. Moscow, Kolos, 1983, p 26-28, 88-90).

The disadvantage of this method is the need for serial execution of these transactions and the use of additional external energy for heating the mixture. In addition, the resulting food is not suitable in its structure for fattening calves.

The known method (see RF Patent №2088336, 02 19/06 from 27.08.1997,) hydroacoustic impacts, in which the raw materials are subjected to simultaneous mixing, grinding to create an intense turbulent flow.

The disadvantage of this method is the lack of mixing of the feedstock with water, as well as poor processing efficiency. It is not suitable for feed preparation.

The known method and setting (see speaker of the USSR №115399, 02 19/18 from 03.11.1958,), in which a hydraulic shock generated in the liquid, is provided by mixing and grinding of raw materials.

The disadvantage of this method is the absence of heat and the difficulty is there are designs using two motors for rotation of the rotors.

Known device for shredding fibrous material (see RF Patent №2196859, 02 19/06 from 20.01.2003,), which uses the energy of the jet to the hydrodynamic effects on the material.

The disadvantage is the need for additional energy to supply the material into the processing chamber and the low processing efficiency.

The closest method of feed preparation is a way to synthesize protein and vitamin supplements (RF Patent No. 2050788, IPC And 23 K 1/00 from 27.12.1995 year), according to which component of the raw material is prepared substrate, crushed it and additionally subjected to hydrodynamic cavitation and thermal effects.

Its disadvantage is the limited functionality and the complexity of the technological process. The method is intended for the production of protein-vitamin supplements and may not be used for feed preparation.

The closest technical solution to install is a rotary hydraulic mill (RF Patent No. 2081701, 6 02 7/00, 19/18, 29 17/02 from 13.09.1994,), comprising a housing with inlet and outlet nozzles, the stator and the rotor with alternating depressions and protrusions, impeller and drive, while the stator and the rotor is designed as a removable disk, and the first fixed on the inner wall of the housing, and the second on the impeller.

The disadvantage of the prototype device is the STV is inefficient mills because of the presence of depressions and projections on the disks, between them in the cycle of rotation are formed gaps of various sizes, and only in small periods of time, they form a full height blades. When the rotor disk in the gap can get particles of the source material and cause jamming or destruction of the surfaces of the projections and depressions.

The present technical solutions based on the task of creating a method of feed preparation and installation for its implementation. The present invention solves the problem of simplifying the process of preparation of feed, reducing energy costs, improving feed quality by ensuring homogeneity of the processed mixture, reduction of cellulose content, elimination of toxic fungi.

The problem is solved by the method of preparation of feed processing of agricultural products, including mixing with water, hydrodynamic cavitation and thermal effects, which unlike the prototype, the mixture is passed through a system of mobile channels with variables in the course of its movement sections with providing energy release kropyvysche cavitation bubbles, which is sent on repeatedly moving in a closed loop process the mixture to bring it to a homogeneous state with a temperature of 50-70°C.

Tasked with ResetSystem for feed preparation, containing the camera (body) grinding, heating and mixing with it the rotor and stator, in which unlike the prototype of the rotor with large tangentially of evenly spaced blades, dividing it into sectors, in which the periphery of the rotor are small curved radial blades, and both large and small blades have different height increasing from the center of the rotor to its periphery, and form channels of variable cross-section, and a stator provided with channels in the form of nozzles, which are arranged radially and uniformly over its circumference.

The method for feed preparation and installation for its implementation can improve feed quality, reduce energy costs, reduce the cooking time feed. In the proposed essential features achieved a new quality of feed provided structural change in the raw materials, grinding the particles of the mixture and bringing it to a homogeneous state, the destruction of the fiber and turn it into easily digestible carbohydrates, particularly sugar.

This allows to make a conclusion about conformity of the invention, the criterion of "inventive step".

The method of feed preparation is as follows.

Source agricultural raw materials containing trace elements, alcove, vitamin and mineral components, in a specific proportion diluted with water. The resulting mixture was fed into a special chamber in which due to the geometric profile of the channels, the dynamics of their changes, as well as the frequency of rotation of the rotor creates hydrodynamic conditions for the formation of cavitation bubbles. The mixture is pushed through a channel having a variable cross-section, in which by changing the flow rate there is a change in pressure of the mixture, which leads to the formation of gas bubbles, steam. This process becomes avalanche-like growth of bubbles of steam and gas, which become the nuclei of cavitation. When promoting flow through the channels of the camera in an area of low pressure cavitation bubbles begin to kopyatsya. The collapse is not symmetric and is accompanied by shock commulative microstroke, which produces major destructive effect. This released energy is expended in crushing of the particles of the mixture and heat it. Repeated circulation of the mixture through the chamber in a closed loop leads to a gradual decrease in the size of the particles of the mixture, structural changes, reduction of cellulose content, the destruction of toxic fungi and its gradual heating. As a result of such exposure in a mixture of fully preserve vitamins and minerals. When achievement of the temperatures of 50-70° With the cooking process of the processed amount is completed and after cooling the mass is fed on fodder. Received food has a high quality, soft, good absorbency due to the structural transformation of raw materials and being suitable for feeding young animals.

For feed preparation as a source of raw materials, in addition to cereals, use: silage, straw, herbage, roots and benign food waste, which is subjected to preliminary grinding to particle sizes 10-18 mm.

The proposed method provides the intensification of technological processes of preparation of feed and has a number of advantages:

- lower energy costs;

- continuous cooking process;

- the simplicity of the design of the facility;

- no complicated electronic equipment, etc.

Installation is illustrated by drawings. Figure 1 presents a General view of the installation for feed preparation, figure 2 - mixing chamber, grinding and heating, figure 3 presents the context of the rotor, the stator and the camera body.

Installation for feed preparation comprises a hopper 1 for pre-mixing the original feed (particles of different size: the grain, crushed plants, food scraps, etc. with water, input 2 and output 3 piping, shut-off valve 4, a base 5, a sleeve 6, the mixing chamber is of, grinding and heating 7, input 8 and output 9 of the nozzle, the rotor 10 and the stator 11, large blades 12, small blades 13, the channels of the stator 14, the drain valve 15, a motor 16, a temperature sensor 17, the sensor 18.

The hopper 1 is mounted on the base 5 and is provided in the lower part of the output flange, which through inlet pipe 2 connects it to the inlet side 8 of the chamber 7. The outlet 9 of the chamber 7 through the output line 3 is connected with the upper part of the hopper 1. Inside the chamber 7 install the rotor 10, with three large tangential blades 12, which divides the rotor into sectors. Between the blades 12 on the periphery of the rotor evenly in each sector there are five small curved radial blades 13. Large and small blades have different height that increases from the center to the periphery of the rotor. The stator 11 is stationary in the camera body 7 and has a uniformly and radially spaced channels 14 variable cross-section, made in the form of nozzles. Between the stator 11, a rotor 10 and the camera body 7 provide clearances in the axial direction is 0.1-0.2 mm in the radial direction and 0.2-0.25 mm Drive motor 16 through the clutch 6 is fixed on the base 5. The rotor 11 through the clutch 6 is connected to the shaft of the drive motor 16.

The method of processing of agricultural products and installation for its implementation of RA is utaut as follows.

The hopper 1 is filled with water, observing the degree of filling by the transmitter 18, and type of feed components in the required amount, then open the shut-off valve 4 and the unit. Through the inlet pipe 2 mixture enters through the inlet 8 into the grinding chamber 7. The mixture passes through channels of variable cross-section of the rotating rotor 13, is subjected to hydrodynamic cavitation and thermal effects. The channels of the rotor moments of matching channels 14 of the stator to allow the passage of the mixture through the stator in the outlet 9 of the camera, then the output line 3 is returned to the hopper 1. Such a process loop feed preparation is repeated several times. The channels of the rotor have variable cross-section in the radial and in the axial direction, and their geometrical parameters lead to intensive formation of cavitation bubbles. Dynamics of change of the cross sections for these channels, together with the channels 14 of the stator 11 and the rotor's rotation leads to rupture of the flow mixture, creating optimal conditions for the collapse of cavitation bubbles and release energy, which is sent for crushing the solid particles of the dispersion mixture and partial heating. Heat the mixture also contributes to intense friction with stirring and advancing it through the channels of the rotor and stator. The thanks to the continuous circulation of the processed mixture in the hopper the inlet pipe camera mixing, grinding and heat - outlet piping - bunker" is it bringing to a homogeneous state and heated to a predetermined temperature. Upon reaching the desired temperature and particle size of the mixture preparation process is completed. Setting off, close the shut-off valve 4, open the drain valve 15 and poured the finished product. The processed mixture after cooling is provided for feeding the cattle.

Example.

For the preparation of food from crops optimum temperature processing of raw materials is 60°C. To prepare 20 kg of feed is poured into the hopper 13 l of water and add 7 kg grain mixture without prior preparation.

Thus, the present invention solves the problem of simplifying the process of preparation of feed, improving feed quality by ensuring homogeneity of the mixture, reduce the contents of cellulose, increasing the digestibility of feed and destruction of toxic fungi.

1. The method of feed preparation processing of agricultural products, including mixing with water, hydrodynamic cavitation and thermal effects, characterized in that the mixture is passed through a system of mobile channels with variables in the course of its movement sections, ensuring energy release kropyvysche KAV is operating bubbles which is sent by repeatedly moving in a closed loop process the mixture to bring it to a homogeneous state with a temperature of 50-70°C.

2. Installation for the cooking of food, comprising a chamber with inlet and outlet nozzles, which has a stator and a rotor coupled to the actuator, characterized in that it further comprises a hopper for pre-mixing, which is connected through input and output pipelines respectively with the inlet and outlet nozzles of the chamber, thus forming a closed path for the movement of the feed, the rotor is equipped with large tangentially evenly spaced blades, dividing it into sectors, in which the periphery of the rotor are small curved radial blades, and both large and small blades have different height increasing from the center of the rotor to its periphery, and form channels of variable cross-section, and a stator provided with channels in the form of nozzles, which are arranged radially and uniformly over its circumference.



 

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