UA110446U - A METHOD OF MANUFACTURING A PLUGGED GROUP - Google Patents

Abstract

A method for the production of flattened cereals involves the purification of grain from impurities, water treatment and flattening. Purified grains of holoseric barley with an initial moisture content of 12-14% are ground on one grinding system, sorted, moistened to a moisture content of 20-22%, moistened for 5-7 hours. and evaporated at a vapor pressure of 0.10-0.15 MPa for 2-4 minutes, then flattened.

Description

The useful model belongs to the grain industry, in particular to methods of processing whole grain varieties of barley into grain products, specifically - flattened grains.

There is a known method of producing barley flakes, which includes cleaning the grain from impurities, moistening to a humidity of 21-25 95, dehumidifying for 2-4 hours, steaming at a steam pressure of 0.5-1.0 MPa for 30-60 s, air drying with with the temperature of the drying agent 80-90 C to a humidity of 17-20 95, peeling, grinding of the core to obtain a grain, re-moistening to a humidity of 20-26 95, dehumidification for 2-4 hours, flattening and drying (see copyright certificate of the USSR Mo 880400 IPC A2ZI. 1/10, 1979).

The analogue and the claimed useful model have the following common operations: - grain cleaning from impurities; - grinding; - hydrothermal treatment; - flattening; - drying

The disadvantage of the technological process for the production of barley flakes is the long duration of the stage of hydrothermal treatment of grain, which includes two-stage moistening and dehumidification, steaming of grain under excess pressure, the need for simultaneous peeling and grinding, which requires significant production areas to accommodate the appropriate machines and bunkers for dehumidification and causes difficulties in implementation of this process at plants of small capacity.

There is also a known method of producing barley flakes from hulled grain, which includes cleaning the grain from impurities, soaking the grain in water at a temperature of 18-20 "С for 34 hours until the humidity reaches 38-40 96, drying the grain with IR rays at a wavelength of 0.9 -1.1 μm and a radiation flux density of 12-14 kW/me for 2.0-2.5 minutes to a humidity of 30-32 95 and treatment with IR rays at a wavelength of 0.9-1.1 μm and a radiation density flow of 18-20 kW/m for 100-115 s until the grain reaches a temperature of 160-170"C with its subsequent flattening into a flake 0.6-0.7 mm thick (see RF patent Mo 2512240 А2ЗИ 1/10, 2014 ).

This method was chosen by the prototype.

The prototype and the claimed useful model have the following common operations: - grain cleaning from impurities; - hydrothermal treatment; - flattening

However, the known method includes the need to use special technological equipment for drying and treating grain with IR rays, installing special containers for soaking, which causes difficulties in implementing this process at factories of small capacity.

The basis of a useful model is the task of developing a method for the production of flattened groats, in which by changing the order of performing operations (moistening of grain instead of soaking, eliminating the stage of processing grain with IR rays), introducing special operations (grinding, sorting of grinding products, moistening, dehumidification, steaming) , as well as the use of bare barley of a certain variety, to ensure the simplification of the technological process by reducing the number of operations and their duration.

The task is solved in the method of production of flattened groats, which includes grain cleaning from impurities, hydrothermal treatment and flattening, according to a useful model, bare barley grain cleaned of impurities with an initial moisture content of 12-14 95 is ground on one grinding system, sorted, moistened to humidity 20-22 95, humidified for 5-7 hours. and steamed at a steam pressure of 0.10-0.15 MPa for 2-4 minutes. after which they flatten.

The method is carried out in the following order. Cleaned of impurities and divided into coarse and fine fractions, the grain of bare barley, such as the "Achilles" variety, is sent for grinding. This stage is carried out in grinding machines that work according to the principle of intensive abrasion of shells of the A1-ZShN type. When grinding the coarse fraction, the wheel speed is set at 18-20 m/s, for the fine fraction - 16-18 m/s. A decrease in the circular speed of the discs when grinding both fractions of bare barley grain will lead to insufficient removal of the surface layers of the grain when processing the grain on one grinding system, which will accordingly cause the need to increase the number of grinding systems to two or three. An increase in the circular speed of the discs will contribute to a more intensive removal of the surface layers of the grain, which will lead to an increase in the number of by-products in the form of particles of crushed kernel and flour, while reducing the yield of the whole kernel and finished products. An increase in the yield of by-products will lead to the need to expand the stage of sorting grinding products due to the installation of additional machines - sieve air separators and aspiration columns.

The mixture of grinding products is sorted in two stages. At the first stage, flour and particles of the crushed kernel are removed in a sieve-air separator or grain disperser on sieves of 1.6x20 mm, at the second - the control of the whole ground kernel is carried out on two systems of aspiration columns or air separators. The barley groat obtained in this way is moistened with water heated to 55-60 "C to a moisture content of 20.0-22.0 956, dehumidified for 5-7 hours and steamed in a PP3-1 batch steamer at a steam pressure of 0.10-0.015 MPa for 2-4 minutes. Flattening is carried out in roller or flattening machines on smooth or corrugated rollers with a working gap of 0.3-0.4 mm. Flattened groats are dried on belt dryers to a moisture content of 12.0-12.5 960 and controlled in to a grain disperser on sieves. Flattened groats are obtained during sorting through a sieve of 1.4x20 mm, and flour and crushed kernel particles pass through. After magnetic control, the flattened groats are sent to bunkers for finished products.

Example

We received flattened groats. For this purpose, the grain of bare barley of the "Achilles" grade, cleaned of impurities and divided into two fractions, with an initial moisture content of 13.196 and a mass of 2000 g, was weighed on automatic scales and sent for grinding, which was carried out in fractions on one grinding system. Grinding was carried out in a peeling-grinding machine, which works according to the principle of intensive abrasion of shells. The circular speed of the discs when grinding the coarse fraction was set at 18-20 m/s, for the fine fraction - 16-18 m/s. The mixture of grinding products, which was a whole, crushed kernel and flour, was sorted in two stages.

First, on 1.6x20 mm sieves in a grain separator, the crushed kernel and flour were extracted. After that, the final extraction of flour was carried out on two systems of aspiration columns. The polished core was moistened with water heated to 60 "C to a humidity of 2295 and sent to dehumidification, which lasted for 5 hours. Steaming of the prepared core was carried out in a batch steamer at a steam pressure of 0.15 MPa for 4 minutes. Flattening was carried out in a rolling machine on smooth rollers at working gap of 0.3 mm. The resulting flattened groats were dried to a moisture content of 12.5 9o and sent for control,

From which it was carried out on sieves in a grain spreader. Using a 1.4x20 mm sieve, flattened groats were separated, flour and crushed kernel particles were removed by passing through this sieve.

As a result of the processing of "Achilles" barley, the total yield of flattened grains was 80.0 95, by-products and waste (taking into account mechanical losses) - 20.0 95.

Claims (2)

USEFUL MODEL FORMULA 1. The method of production of flattened groats, which includes grain cleaning from impurities, hydrothermal treatment and flattening, which is characterized by the fact that the grain of whole grain barley cleaned of impurities with an initial moisture content of 12-14 95 is ground on one grinding system, sorted, moistened to a moisture content of 20- 22,906, moisten for 5-7 hours. and steamed at a steam pressure of 0.10-0.15 MPa for 2-4 minutes, after which it is flattened. 2. The method according to claim 1, which differs in that the grain of whole-grain barley of the "Achilles" variety is used.