RU2813874C1 - Hemp seeds processing system and method - Google Patents

Abstract

FIELD: food industry.

SUBSTANCE: disclosed is a method of processing hemp seeds, in which the seeds cleaned from weeds are divided into four fractions with separation of the upper fraction of large and lower fractions of small seeds, which are sent to a separate hopper of the press compartment with subsequent dosed supply of these seeds to the presses for oil squeezing, which is then passed through a fusor trap and a prepress for cleaning oil from impurities, sedimentary formations and extraction of cake and passed through a heat exchanger for subsequent storage of cooled oil supplied for bottling, cake obtained from presses during oil extraction, is directed through a cooler for grinding into a crusher with subsequent discharge into a separate hopper, used for dispensing crushed cake for grinding into a crusher and sieving to obtain hemp protein flour from the crushed cake, which is supplied for packing, and non-grinding, which is returned to this hopper with its subsequent dispensing for repeated grinding, and two average fractions differing in size after sieving are sent for peeling, after which each middle fraction separately flows by gravity into aspiration columns for separation of husks from the total mass of peeling products and then to separators for separating crushed seeds from the kernel and from husks and their directing into separate hoppers, for subsequent direction of nucleus to colour separator for afterpurification of nucleus from chlorophyllic shell with subsequent cooling or to colour separator and after it into infrared installation and cooler for its subsequent storage and packing, husks from the hopper are supplied for grinding and into sieving for separation, after which the crushed fibre product is supplied for packing. Also disclosed is a system for processing hemp seeds, which includes a unit for preliminary cleaning of seeds from impurities and litter, in which the cleaned seeds are dried, connected to the seeds afterpurification unit in the form of a stone collector, from which the cleaned seeds are supplied for sieving for separation into four fractions and the direction of the seeds of the upper exit and the lower passage into the bunker of the press compartment for subsequent supply of oil for squeezing, and seeds of two medium gatherings — through hulling units of peeling unit into aspiration columns for separation of husks and aspiration dust, which are connected to vibrating separators for separation of large non-peeled hemp seeds, crushed seeds from kernel and direction of kernels and husks into separate hoppers, crushing unit of husks coming from the hopper, connected to the screen for separation of milling products into cellulose and non-milled product for its re-crushing, unit for extracting oil from cleaned seeds coming from the hopper, on presses, connected through a filter press with a heat exchanger and a device for cooling the obtained product — oil, press cake processing unit, with the possibility of hemp milk production, including the cake cooling device communicated with the crusher for the crushed cake production and its direction into the storage hopper, which is connected to grinders and screening for separation of milled cake into hemp protein meal and non-milled cake for repeated grinding, and a unit for processing seed kernels, which includes a turbo-separator associated with a colour separator for separating chlorophyllic shells from the nucleus and communicated via an infrared unit with a cooler of the cooling unit to obtain a product ready for storage in the form of a kernel.

EFFECT: invention provides higher quality indices of the end product obtained from hemp seeds.

2 cl, 3 dwg

Description

The invention relates to the food industry, namely to the production of food plant products from hemp seeds, which can be used as an independent finished product of high nutritional value and as a raw material for the preparation of other products.

In recent years, there has been a growing interest among a growing number of consumers in healthy, plant-based alternative food products that simultaneously satisfy the most demanding tastes. In addition, due to the rapid growth of allergic diseases of various kinds, the number of people who, in order to avoid the occurrence of unpleasant allergies, have to refrain from consuming animal products, in particular meat and milk, as well as some types of nuts, is also rapidly growing. basis, as close as possible to these most common products in taste and organoleptics.

Many nuts cause allergic reactions and are not acceptable for consumption, but in their place the hemp kernel fits well, which in terms of vitamin and macro- and microelement composition is not only not inferior, but even exceeds the indicators, which allows us to judge the demand for this product and, accordingly, its production .

Hemp kernels are a source of phytin and mesoinositol, which prevent fatty liver disease associated with protein deficiency, and are also important for the growth of muscle mass and bones, stimulation of hematopoiesis and vascular regulation. Canadian scientists in their studies confirmed that hemp kernels contain a unique mixture of edestin and albumin, present in a ratio of 3 to 1. Edestin is a protein found only in hemp, which contains a high content of essential amino acids. Albumin is a water-soluble blood transport protein synthesized in the liver from available dietary proteins. European scientists in their research have found that hemp kernels contain four unique components or lignanamide. These antioxidants add even more variety to the beneficial composition of hemp kernels and are a good source of biologically active and protective compounds. Due to their natural properties, the nucleoli contain an ideal ratio of Omega 3 and 6 (1:3) for the human body.

There is a known method for processing kernels from hemp seeds, according to which the hulled kernels of hemp seeds mixed with water are crushed by pumping a mixture of kernels and water in a closed circuit until a batch of homogeneous consistency is obtained, followed by sending the batch into a heat exchanger with a heater function for heating to temperatures of 80-90 °C and heat treatment of the batch, then the heat-treated batch under pressure is passed through holders connected in series with each other with the batch in them for 30 minutes, after which the batch is sent to a decanter centrifuge to separate the batch into a liquid fraction, which is milk, and a solid fraction. with a moisture content of up to 70%, a fraction that is cake, which is sent to a drying unit to produce fatty flour with a moisture content of no more than 10%, fed into the CO₂-extractor to separate this dry fatty flour into finished products in the form of oil and low-fat protein flour (RU 2764298, A23C11/10, publ. 01/17/2022)

From the same source, a system for processing kernels from hemp seeds is known, which is a line of continuous production due to the continuous supply of raw materials at specified intervals and containing a pre-mixer for soaking by mixing the supplied hulled kernels of hemp seeds and water, which is located above the container for preparing by mixing a homogeneous according to the consistency of the batch from the specified components, transferred into this container by gravity, a heat exchanger connected through a screw pump with the container for preparing the batch, made with a heating function for heat treatment at a temperature of 80-90°C, of the batch moved into it, communicated with the heat exchanger in series interconnected holders for moving the batch from the heat exchanger for 30 minutes in the direction of a buffer tank for receiving the batch and dispensing it portionwise into a decanter centrifuge, while the decanter centrifuge is designed to separate the batch into a liquid fraction in the form of hemp milk sent to a milk receiving tank, and a solid fraction in the form of a cake with a moisture content of up to 70%, which is sent to a drying unit to obtain fatty flour from the cake with a moisture content of no more than 10%, and the drying unit is connected to a CO ₂ extractor for subsequent separation of the cake in the form of dry fatty flour for butter and low-fat protein flour.

This solution was adopted as a prototype.

The disadvantage of the known method and system is that while ensuring the principle of flow (continuous) production of hemp seed processing, the flow production line does not provide an advantage in obtaining stable quality
products throughout the entire period of time from the launch of the line to the receipt of the finished product. The system is not a completely cyclical closed process, which allows the finished product to come into contact at all stages of production with the external environment, which can introduce microorganisms and lead to rapid deterioration of the product at any stage or stage of the process.

In addition, the use of soaking and heat treatment modes leads to enzymatic destruction of nutrients in the seed and its kernel (protein denaturation, oxidation of native oil, deterioration of consumer properties), which reduces the quality, saturation of nutrients (reduction by up to 20%) and usefulness of the finished product .

The present invention is aimed at achieving a technical result consisting in increasing the quality indicators of the final product obtained from hemp seeds by eliminating hydrothermal operations and soaking operations and carrying out the process of obtaining the final product through the use of pressing operations and operations for the fragmentary separation of seed components in function of their density or weight of each component.

The specified technical result is achieved by the fact that in the method of processing hemp seeds, the seeds, cleared of impurities, are divided into four fractions with the release of the upper fraction of large and lower fraction of small seeds, which are sent into a separate hopper with the subsequent dosed supply of these seeds into a press device for oil extraction, which is then passed through a fusel trap and a forpress to clean the oil from impurities and sedimentary formations and separate the cake and pass through a heat exchanger for subsequent storage of cooled oil; the cake obtained from the presses when separating the oil is sent through a cooler for grinding into a crusher with subsequent discharge into a separate bunker , used for dosed delivery of crushed cake for grinding into a grinder and sieving to obtain hemp protein flour and non-grind in the form of crushed cake, which is returned to this hopper with its subsequent delivery for re-grinding, and two average fractions differing in particle size after sieving are sent to peeling, after which each middle fraction individually flows by gravity into aspiration columns to separate the husks from the total mass of peeling products and then to separators to separate crushed grain and kernels from the remains of the husk and direct it to a separate bunker for subsequent sending to a photo sorter for further purification of the kernel from the chlorophyll shell with subsequent cooling or to a photo sorter and then to an infrared heater and cooler for subsequent storage and packaging.

This technical result is achieved by the fact that the hemp seed processing system includes a block for preliminary purification of seeds of impurities and litter, in which the purified seeds are dried, connected to a block for post-purification of seeds in the form of a destoner, from which the purified seeds are sent to sieving for separation into four fractions and directing the seeds of the upper exit and lower passage into the hopper of the press compartment, and the seeds of the two middle exits - through the hullers of the peeling unit into the aspiration columns for separating husks and aspiration dust, which are connected to vibration separators for separating large, unhulled hemp seeds, crushed seeds from the kernel and direction kernels and husks into separate bins, a block for grinding the husks coming from the bunker connected to a sieving device to separate the crushed products into fiber, an uncrushed product for its re-grinding, a block for separating oil from the purified kernels coming from the bunker on presses, connected through a filter press with a heat exchanger and a cooling device for the resulting product, a block for processing cake on presses for producing hemp milk, including a device for cooling the cake communicated with a crusher to obtain crushed cake and direct it to a storage hopper, which is connected to grinders and sieving to separate the crushed cake into flour and uncrushed cake for re-grinding, a seed kernel processing unit, including a turbo separator connected to a photo separator for separating chlorophyll shells from the kernel and communicated through an infrared installation with a cooler of the cooling unit to obtain a product ready for storage,

These features are essential and are interrelated to form a stable set of essential features sufficient to obtain the required technical result.

The present invention is illustrated by a specific example of the implementation of a complex technological production scheme, which, however, is not the only possible one, but clearly demonstrates the possibility of obtaining final production products from hemp seeds.

Fig. 1 - block diagram of a method for processing hemp seeds;

Fig. 2 - block diagram of a hemp seed processing system;

Fig. 3 - general diagram of the hemp seed processing system.

According to the claimed invention, a system intended for industrial use is considered for the purpose of processing hemp seeds into components in an on-line mode and obtaining final products in the form of hemp kernel, hemp protein flour, fiber and edible hemp oil, as well as a method for processing hemp seeds in this system.

In general, a method of processing hemp seeds, characterized in that:

- the seeds, cleared of impurities, are divided into four fractions with the separation of the upper fraction of large and the lower fraction of small seeds, which are sent into a separate hopper with subsequent dosed supply of these seeds into a press device for squeezing the oil, which is then passed through a fusel trap and a forpress to purify the oil from impurities and sediments and cake separation and passed through a heat exchanger for subsequent storage of cooled oil;

- the cake obtained from the presses when separating the oil is sent through a cooler for grinding into a crusher with subsequent discharge into a separate hopper, used for dosed delivery of crushed cake for grinding into a grinder and sieving to obtain hemp protein flour in the form of crushed cake and the unmilled flour, which is returned into this hopper and then deliver it for re-grinding;

- two average fractions differing in particle size after sieving are sent for peeling, after which each average fraction separately flows by gravity into aspiration columns to separate the husks and from the total mass of peeling products and then to separators to separate crushed grain and kernels from the remains of the husk and direction it into a separate bunker for subsequent sending to a photo separator for further purification of the kernel from the chlorophyll shell, followed by cooling, or to a photo separator and then to an infrared heater and cooler for subsequent storage and packaging.

In general terms, the following stages of the method can be distinguished (Fig. 1).

The initial stage of processing begins at the elevator, where weed and oilseed impurities are separated on a grain cleaning machine, which are not of interest for processing (organic and mineral impurities (earth, stones, gravel, straw and powdery dust) and then enter the crusher-broom department, where hemp seeds are purified from heavy impurities, such as gravel, seeds of other crops (wheat, barley, corn, sunflower and legumes), as well as possible foreign impurities in the form of glass fragments and metal objects (bolts, nuts, shavings).

Stage 1 of hemp seed preparation includes processes starting with receiving seeds in big bags and pouring them into a waste pit, followed by cleaning on a grain cleaning machine using sieve frames and aspiration (air) channels and, if necessary, drying of seeds in a gas dryer . After this, the seeds are conveyed through a conveyor to the workshop, where additional cleaning takes place using a destoner to remove heavy impurities (stones, glass and earth).

Stage 2 of hemp seed peeling includes fractionation of the seeds by size at sieving and then goes to the hullers, where each fraction is hulled separately, after which the hulling products after the huller pass through pneumatic channels, where the husks and meal are separated (finely ground hemp kernels and husks) and then the core goes for further purification.

At stage 3 of preparing the hemp seed kernel, the kernel is brought to quality indicators. The stage includes cleaning the kernel on separators using selected sieve frames, where unhulled hemp seeds are separated from the kernel, and pneumatic tables, where flour and husks are separated from the kernel. These machines allow you to efficiently clean the core in a stream. Then, as needed, the kernel is either sent to a photo separator, where high-quality purification of the kernel from chlorophyll inclusions occurs using optical spectra and air, which allows you to obtain a perfectly clean hemp kernel. Next, the kernel goes for disinfection or frying of the kernel in a stream in an infrared dryer, which makes it possible to obtain new, more interesting products used in other branches of food production. After drying, the kernel is sent to a cooler for cooling and then for packaging.

The infrared dryer is a rotating drum with internal guide blades that create a uniform mixing layer. Infrared lamps are installed inside the drum, which at high temperatures disinfect the passing product, and also dry and fry, depending on the rotation speed of the drum and the intensity of the product supply.

Kernel packaging is carried out at stage 4. Kernel packaging occurs in metallized zip-lock bags of 5 kg using a screw dispenser, immediately after the product enters the closed bin of the finished product, without allowing the product to come into contact with oxygen for a long time. After packing into bags, they are placed in corrugated boxes and placed on pallets.

Stage 5 of pressing collects from stage 2 of peeling and preparing the kernel all products (seeds, kernel) that require additional purification and are fed for pressing, which allows you to avoid the use of unnecessary grain cleaning machines and immediately produce cold-pressed oil in the flow on individually selected screw presses that squeeze oil with the chamber heated to 60°C, this allows the product (oil and cake) not to heat above 40°C and obtain a valuable product. After pressing, oil and cake are obtained, which go through further stages.

At stage 6, oil is poured. After cooling in a heat exchanger, the oil enters a container from which it is supplied for bottling, either into cubes with a volume of 1 m ³ , or for packaging in glass bottles of 250, 500 and 1000 ml.

Stage 7 of cake preparation involves cooling the cake to ambient temperature and drying the top layer to stop the release of residual oil content on the surface of the cake “crust”. After cooling, the cake is immediately crushed in a cake crusher, after which it enters the storage hopper, where it finally cools. Next, the cake is sent for grinding to a certain fraction. This happens in the following way. The cake is crushed, then the product enters the sieving room, where it is separated into crushed and non-crushed product. The crushed product (hemp flour) goes into the packaging hopper, and the uncrushed product is returned to before grinding.

Flour is packed at stage 8 using a screw dispenser into polypropylene bags with a polyethylene liner of 10, 25, 30, 40 kg. Next, the bags are sewn up with a bag sewing machine and stored on pallets.

The preparation of the husks occurs at stage 9 by analogy with the preparation of the cake. The product is crushed, fed to sieving and, after separation, enters the hemp seed fiber bin.

Stage 10 of fiber packaging is similar to flour. It goes through a screw feeder and is packaged in bags of 10, 25, 30 kg. Next, the bags are sewn up and stored on pallets.

The method for processing hemp seeds has the following algorithm of actions performed in the following sequence (Fig. 2):

- first, hemp seeds are pre-cleaned in a grain cleaning unit 11 and dried in a gas dryer 12 to a humidity of 8.0 to 10.0%;

- then the dried raw materials are sent for final cleaning at destoner 13;

- then the seeds are sent for sieving into fractions in sieve separators 14, where they are divided into 4 fractions, two of which (upper runoff and lower passage) as substandard go to the press shop for oil extraction, and two runoff from the middle sieves go for peeling in peelers 15;

- after peeling, husks and flour are selected in aspiration columns 16.

Aspiration columns are used in grain cleaning to separate the light fraction from the grain product. Can be used for different grains - wheat, corn, rye, soybeans, oats, buckwheat, millet or rice. Due to the directed air flow, the product is distributed over the entire width of the machine, picked up by the flowing aspiration air flow, and separated depending on the specific gravity, which ensures optimal sorting of light particles - straw, dust and shells, etc.

- peeling products are supplied to vibration separators 17, where unhulled hemp seeds are separated, which are returned for further dehusking, and crushed hemp seeds and kernels, which also go to the press shop for oil extraction.

- then the partially purified product is supplied for further purification to the pneumatic table 18, where the final separation of the husks and meal from the hemp seed kernel occurs.

The TDV pneumatic table (pneumatic sorting machine) is equipped with two electric vibrators that provide the sorting board with a rectilinear oscillatory motion of adjustable amplitude. Grain sorting occurs due to the oscillatory movements of the working plane and the movement of a fluidized layer of product along it. Continuous separation of the grain mixture under vacuum, and the sealed design eliminates the release of dust into the room. The number of fractions obtained can be from 2 to 4.

- then the kernel, depending on its purity, enters either the finished product bunker or the turbo separator 19, followed by additional purification on the photo separator 20.

A conical turboaspirator TTS (UPS-T) is used, designed to separate by air flow impurities that differ from the main crop in aerodynamic properties. The machine consists of two parts shaped like a truncated cone, a rotating distributor and a throttle valve. At the top there are wide glazed viewing windows made of transparent polycarbonate, allowing you to monitor the separation process. A rotating distributor made in the form of an impeller driven by flowing air. This design ensures uniform distribution of air flow over the entire cross-section of the turbo aspirator, which creates optimal working conditions when processing various products.

The capabilities of the photo sorter are reduced to identifying a foreign body in the product flow that differs in color. In this case, the difference between a suitable and an unsuitable product may be minimal. This refers to monochromatic separation and the difference in the color tone of one product from the tone of another. In addition, there are sorters that distinguish by two or more colors (bichromatic, trichromatic, RGB - red-green-blue systems and their variations). There is also the possibility of separation of a light product, a black product, a transparent product (glass, plastic, minerals), separation in the IR spectrum (including particles of the same color), X-ray and UV luminescent sorting (based on the glow effect of impurities in the product when irradiated with these wavelengths), etc.

- after this, the kernel is sent for disinfection or frying in infrared units 21 (an infrared heater is a heating device that emits heat to the environment through infrared radiation), followed by cooling in a cooling unit 22 and packaging in commercial packaging at the packaging station 23.

The kernel also goes to the screw press and filter press 24 for dehydration, which squeeze out the yellow “golden” oil and pass it through the heat exchanger 25. The oil is drained into containers 26, from which the oil is poured at the filling station 27 into measuring containers (bottles). The resulting cake is used to produce the plant-based drink “hemp milk”.

The resulting husk is supplied for grinding to the grinder 28, sieving 29, after which fiber is obtained, which is supplied to the packaging station 30.

The off-grade material sent for pressing goes to presses, from which green hemp oil and cake are obtained.

The oil then undergoes purification on filter presses and, after cooling, enters containers from which it goes for bottling and packaging.

The resulting cake is supplied for cooling in the cooling unit 31, for grinding in the grinder 32 and grinding (item 33), after which sieving (34) is carried out and the resulting hemp flour, enriched with fats and proteins, is transferred to the packaging station 35.

This method is implemented by the system (Fig. 2-3), in the general algorithm of its execution, which is a continuous production line due to the continuous supply of raw materials in a 24-hour operating mode.

This system contains:

- a pre-mixer for soaking by mixing supplied dosed crushed hemp seed kernels and water, which is located above the container for preparing by mixing a batch of homogeneous consistency from the specified components, moved into this container by gravity;

- a heat exchanger connected through a screw pump to the container for preparing the batch, configured with a heating function for heat treatment at a temperature of 80-90°C of the batch moved into it;

- holders connected to the heat exchanger in series with each other for moving along them for 30 minutes. batch from a heat exchanger in the direction of a buffer tank for receiving the batch and dispensing it in portions into a decanter centrifuge to separate the batch into a liquid fraction in the form of hemp milk, sent to the milk receiving tank, and a solid fraction in the form of a cake with a moisture content of up to 70%, sent to the drying room an installation for reducing cake moisture to no more than 10%, which is connected to a CO ₂ extractor for subsequent separation of the cake in the form of dry fatty flour into oil and low-fat protein flour.

Thus, the claimed system is a full-featured line for the complete processing of hemp seeds, not only to obtain hemp seed kernels, but also oil, protein flour and fiber. The system operates in a 24-hour continuous flow mode, which is set by the rate at which hemp seeds are dosed into the line.

Below is an example of a system for processing hemp seeds according to the present invention (Fig. 3).

In general, a hemp seed processing system includes:

- a block for preliminary cleaning of seeds of impurities and debris, in which the cleaned seeds undergo drying, connected to a block for post-cleaning of seeds in the form of a destoner, from which the cleaned seeds are sent to a sifter to separate four fractions and direct the seeds from the upper exit and lower passage to the hopper of the press compartment, and seeds of two middle gatherings - through the peelers of the peeling unit into aspiration columns for separating husks and aspiration dust, which are connected to vibration separators for separating large, unhulled hemp seeds, crushed seeds from the kernel and directing the kernels and husks into separate bins;

- a grinding unit for the husks coming from the bunker connected to a sieving device to separate the crushed products into fiber and the uncrushed product for its re-grinding;

- a unit for separating oil from purified kernels coming from the bunker on presses, connected through a filter press with a heat exchanger and a cooling device for the resulting product;

- a block for processing the cake on presses for producing hemp milk, including a device for cooling the cake, communicated with a crusher to obtain crushed cake and direct it to a storage hopper, which is connected to grinders and sieving for separating the crushed cake into flour and uncrushed cake for reuse grinding;

- a block for processing seed kernels, including a turbo separator connected to a photo separator for separating chlorophyll shells from the kernel and communicated through an infrared unit with a cooler of the cooling unit to obtain a product ready for storage.

The system is configured to use hemp seeds as raw materials. This raw material is supplied to the elevator in the dam pit 36, where, with the help of transport elements, it is transported for preliminary cleaning of hemp seeds from various impurities and debris in a grain cleaning unit 11. After cleaning, the hemp seeds, as necessary, are sent for drying to a horizontal gas dryer 12 and after it is supplied either for storage in one of the bunkers 37 (cone silos), or directly to the workshop for processing.

When purified hemp seed raw material enters bunker 38 in the workshop, further purification takes place at destoner 13. Then it goes to sieving 39, where separation into fractions occurs, two of which (the upper exit and the lower passage) are transported to the press compartment hopper 40. The two middle fractions arrive to peelers 15. After peeling, the peeling products enter the aspiration columns 16, where the husks and aspiration dust (flour) are separated. Next, the peeling product goes to vibration separators 17, where large, unhulled hemp seeds are separated, which are returned back to peeling, crushed seeds and kernels, which enter the hopper 40, and the kernel itself mixed with particles, husks, flour and crushed kernels. Next, the kernel is supplied to pneumatic tables TDV 18, where the final separation of the husks and flour from the kernel occurs and goes into the husk hopper 41. As the husks accumulate in the hopper, they are crushed into the grain grinder 42, where the husks are crushed and then enter the sifter 43, where the grinding products are separated. The crushed product - fiber (passes through 100-350 micron sieves) then goes to packing station 23. The uncrushed product (coming off the sieves) goes back to hopper 41 for additional grinding. The cleaned kernel enters either the hopper 44 and then goes to the press 24, where the oil is separated, which goes to the pressing shop, is collected in an intermediate tank 45 and then goes to the filter press 46, passes through the heat exchanger 47, is cooled and enters the tank 48 for storage and subsequent bottling and packaging. The resulting cake on presses 24 enters the workshop for the production of a plant drink (hemp milk). Or, if the kernel is clogged, it goes to turbo separator 19, where the final separation of the husks and flour occurs, and then the kernel goes to photo separator 20, where the chlorophyll shells (green) are separated from the kernel. Chlorophyll shells with kernel particles enter the pressing shop in hopper 40. Next, the cleaned kernel goes for disinfection or frying on an infrared emitter (infrared unit 21) and then on the cooler of the cooling unit 22, where the kernel is cooled and then goes to the kernel packaging. As the substandard accumulates in the hopper 40, the press shop is started, where the raw materials are supplied uniformly to the presses 24, where the oil is squeezed out, which, after passing through the fusal trap with the help of pumps, enters the intermediate tank 45, then passes through the filter press 46 and heat exchanger 47. Next, the purified and the cooled oil enters container 48, where it is stored, followed by bottling and packaging. Cooling water passes through a circuit of heat exchangers 47, enters the cooling tower, cools and returns through a closed circuit. The cake from presses 24 goes to the cake cooler 31, then the cake is crushed at the cake crusher 49 and then goes to the storage hopper 50. Then from the hopper the cake goes for grinding into grinders 32 and 33 and then into sieving 34, where the crushed cake is separated into flour. (pass through 100-350 micron sieves), where the flour then goes to flour packaging station 35. The uncrushed cake (from the sieves) is returned back to hopper 50 and then returned until completely crushed.

This technology has intermediate and final stages. Intermediate stages do not have final products, so the equipment related to these stages are located in the same room according to the hazard and dust class, as well as according to SanPin requirements. Premises that provide for the receipt of food products ready for consumption and related to the final stages have special requirements according to SanPin and TR CU for equipment, premises and packaging and are therefore separated into separate premises.

The present invention is industrially applicable. The method of processing hemp seeds is that it is a full cycle of deep processing, which allows you to process all parts of hemp seeds and have virtually no production waste, due to the technological capabilities of properly selected equipment and technology in general.

Claims (2)

1. A method for processing hemp seeds, characterized by the fact that the seeds, cleared of impurities, are divided into four fractions with the separation of the upper fraction of large and the lower fraction of small seeds, which are sent to a separate hopper of the press department with the subsequent dosed supply of these seeds to presses for oil extraction, which is then passed through a fusel trap and a forpress to clean the oil from impurities, sedimentary formations and separation of cake and is passed through a heat exchanger for subsequent storage of cooled oil supplied for bottling; the cake obtained from the presses when separating the oil is sent through a cooler for grinding into a crusher, followed by discharge into a separate hopper, used for dosed delivery of crushed cake for grinding into a grinder and sieving to obtain hemp protein flour from the crushed cake, supplied for packaging, and unmilled, which is returned to this hopper with its subsequent release for re-grinding, and two averages differ according to the size of the particles, the fractions after sieving are sent for peeling, after which each middle fraction separately flows by gravity into aspiration columns to separate the husks from the total mass of peeling products and then to separators to separate crushed seeds from the kernel and from the remains of the husk and direct them to separate bins , for the subsequent sending of the kernel to a photo separator for further purification of the kernel from the chlorophyll shell, followed by cooling, or to a photo separator and after it to an infrared installation and cooler for its subsequent storage and packaging, and the husk from the hopper goes to grinding and sieving for separation, after which the crushed The fiber product is supplied for packaging. 2. A system for processing hemp seeds, characterized in that it includes a block for preliminary cleaning of seeds from impurities and debris, in which the cleaned seeds are dried, connected to a block for post-cleaning of seeds in the form of a destoner, from which the cleaned seeds are sent to sieving for separation into four fractions and the direction of the seeds of the upper gathering and the lower passage into the hopper of the press department for subsequent supply for oil extraction, and the seeds of the two middle gatherings - through the hullers of the peeling unit into aspiration columns for separating husks and aspiration dust, which are connected to vibration separators for separating large particles hulled hemp seeds, crushed seeds from the kernel and directing the kernels and husks into separate bins, a block for grinding the husks coming from the bunker, connected to a sieving to separate the crushed products into fiber and an uncrushed product for re-grinding, a block for separating oil from the purified seeds coming from a bunker, on presses, connected through a filter press with a heat exchanger and a cooling device for the resulting product - oil, a cake processing unit on presses, with the possibility of obtaining hemp milk, including a cake cooling device, communicated with a crusher for obtaining crushed cake and directing it into a storage hopper, which is connected to the grinders and sieving for separating the crushed cake into hemp protein flour and non-crushed unmilled cake for re-grinding, and a seed kernel processing unit, including a turbo separator, connected to a photo separator for separating chlorophyll shells from the kernel and communicated through an infrared unit with a cooling unit cooler to obtain a product in the form of a kernel ready for storage.