Barley green highland barley simple meal powder and preparation method thereof

Abstract

The invention discloses barley green and highland barley simple meal powder and a preparation method thereof. The barley green and highland barley simple meal powder comprises the following raw materials in parts by weight: 10-20 parts of highland barley seedling powder; the preparation method comprises the following steps: S1, harvesting tender highland barley seedlings with the height of 15 to 20 cm; s2, the harvested highland barley seedlings are cleaned up, and impurities attached to the highland barley seedlings are removed; and S3, drying the cleaned highland barley tender seedlings, and crushing the dried highland barley tender seedlings into ultrafine powder to prepare the highland barley seedling powder. The method has the advantage of high efficiency, and solves the problems that the raw materials of the barley green and highland barley simple meal powder are inconvenient to efficiently and automatically process in the preparation process of the existing barley green and highland barley simple meal powder, higher energy consumption and labor cost are easily caused, and the production cost is increased.

Description

Technical Field

[0001] The invention relates to the technical field of highland barley food, in particular to chlorophyll highland barley meal powder and a preparation method thereof. Background Art

[0002] Highland barley is rich in various nutrients, including protein, dietary fiber, β-glucan, vitamin B group, minerals, etc., and has high nutritional value. It helps to lower cholesterol, improve blood sugar control and promote intestinal health. Highland barley can be used to make various foods, and can also be used as a raw material for brewing highland barley wine. And chlorophyll highland barley meal powder is a kind of highland barley food. Chlorophyll highland barley meal powder is a healthy food based on highland barley seedlings and cooked highland barley powder. It combines the green part of highland barley seedlings and mature highland barley grains, and is made into an easy-to-eat powder form through certain processing techniques. Chlorophyll highland barley meal powder can be brewed directly or added to other foods as a nutritional supplement.

[0003] The existing chlorophyll highland barley meal powder is not convenient for efficient and automated processing of the raw materials of the chlorophyll highland barley meal powder during the preparation process, which easily causes higher energy consumption and labor costs, and increases production costs. Summary of the invention

[0004] The purpose of the present invention is to provide a barley chlorophyll meal powder and a preparation method thereof, which has the advantage of high efficiency and solves the problem that the existing barley chlorophyll meal powder is not convenient for efficient and automatic processing of the raw materials of the barley chlorophyll meal powder during the preparation process, which easily causes higher energy consumption and labor costs and increases production costs.

[0005] To achieve the above object, the present invention provides the following technical solution: a chlorophyll highland barley meal powder, comprising the following raw materials in parts by weight:

[0006] 10-20 parts of highland barley seedling powder;

[0007] 80-90 servings of organic highland barley flour.

[0008] A method for preparing chlorophyll highland barley meal powder comprises the following steps:

[0009] S1, harvesting the young barley seedlings, the height of the young barley seedlings is 15-20cm;

[0010] S2, clean the harvested highland barley seedlings and remove impurities attached to the highland barley seedlings;

[0011] S3, drying the cleaned highland barley seedlings, and crushing the dried highland barley seedlings into ultrafine powder to prepare highland barley seedling powder;

[0012] S4, selecting grains from mature highland barley, washing the selected highland barley grains, and removing impurities on the surface;

[0013] S5, drying the cleaned highland barley grains to reduce surface moisture, and then frying the highland barley grains to increase the flavor of the highland barley grains and sterilize them;

[0014] S6, using a grinding machine to grind the fried highland barley grains into powder to prepare organic highland barley cooked powder;

[0015] S7, putting the prepared highland barley seedling powder and the organic highland barley cooked powder into a mixing device according to a set ratio, uniformly mixing the highland barley seedling powder and the organic highland barley cooked powder to prepare chlorophyll highland barley meal powder;

[0016] S8. Package the barley green meal powder into a container and fill the packaging container with nitrogen to reduce the oxygen content inside the container, prevent mold growth, and extend the shelf life of the barley green meal powder.

[0017] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when harvesting the young barley seedlings in S1, an automated cutting device is used for harvesting, and the automated cutting device includes a cutting component, a height adjustment mechanism and a conveying system. The height adjustment mechanism drives the cutting component to move up and down, and moves the cutting component to 3-5 cm above the roots of the young barley seedlings. Then the cutting component harvests the young barley seedlings, and the harvested young barley seedlings fall to the top of the conveying system, and the conveying system automatically conveys the young barley seedlings.

[0018] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when the young barley seedlings are cleaned in S2, a vibrating screen cleaning machine is used for cleaning, and the vibrating screen cleaning machine includes a vibrating screen, a spraying system, a sewage collection mechanism, a feed port and a discharge port. The highland barley seedlings to be cleaned enter the vibrating screen from the feed port, and the spraying system sprays clean water on the surface of the highland barley seedlings on the vibrating screen to remove impurities on the surface of the highland barley seedlings. The vibrating screen drives the highland barley seedlings to vibrate and flip, and cleans the highland barley seedlings efficiently and evenly. The sewage generated by the cleaning enters the sewage collection mechanism, and the sewage collection mechanism is connected to the sewage treatment equipment. The sewage purified by the sewage treatment equipment is discharged into the sewer, and finally the cleaned young barley seedlings are discharged through the discharge port.

[0019] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when drying the young barley seedlings in S3, a wind drying device is used for drying, and the wind drying device includes an inclined drainage structure, a drying conveyor belt, a fan, an air heater and a temperature control component. The young barley seedlings discharged from the discharge port of the vibrating screen cleaning machine directly enter the inclined drainage structure, and after a short drainage, enter the top of the drying conveyor belt. The air inlet end of the fan is connected to the air heater, and the air heater heats the extracted air. The heated high-temperature air is discharged through the fan. The air outlet end of the fan is equipped with a multi-directional air outlet nozzle, which efficiently and evenly dries the young barley seedlings. The temperature control component detects the temperature of the hot air, and controls the air heater according to the detection result to prevent the heating temperature from being too high.

[0020] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when crushing the young barley seedlings in S3, a crusher is first used to preliminarily crush the dried young barley seedlings to make them into finer small particles to reduce the pressure of subsequent ultrafine grinding, and then a gas flow mill is used for secondary grinding. The gas flow mill uses high-speed airflow to drive the granular materials to collide and grind with each other to prepare highland barley seedling powder. After the grinding is completed, a grading and screening machine is used to grade the highland barley seedling powder. After the screening is completed, the bacteria and microorganisms remaining on the highland barley seedling powder are killed.

[0021] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when the highland barley grains are washed in S4, an air flotation cleaning machine is used to remove smaller impurities and suspended matter in the highland barley grains. The air flotation cleaning machine includes a cleaning tank, an air flotation device, a spray system and a drainage system. The highland barley grains are placed in the cleaning tank, and the air flotation device generates a large number of bubbles to lift up light impurities on the surface of the grains. After preliminary washing, the highland barley grains enter the spray system, and the spray system sprays water to further spray and wash the highland barley grains, and then the sewage is discharged through the drainage system.

[0022] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when the highland barley grains are dried in S5, an automatic drying machine is used for drying. The automatic drying machine includes a feed hopper, a drying bucket, a drive system, a control panel, a discharge port and a drainage system. The cleaned highland barley grains enter the drying barrel through the feed hopper, and the drive system drives the drying barrel to start high-speed rotation. The grains cling to the barrel wall under the action of centrifugal force, and the moisture on the surface is thrown out through the mesh on the barrel wall. The drying time and speed are set by the control panel to ensure that the moisture on the surface of the grains is effectively removed without damaging the grains themselves. After the drying is completed, the rotation of the drying barrel is stopped, the discharge port is opened, and the dried grains slide into the storage container. The moisture generated during the drying process is discharged through the drainage system.

[0023] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, the highland barley grains are fried in S5, and an automatic frying machine is used for the frying. The automatic frying machine includes a feeding system, a frying chamber, a temperature control system, a time control system, a stirring device, a discharging system and an exhaust system. The highland barley grains to be fried are automatically fed into the frying chamber through the feeding system, and the heating element installed on the frying chamber is started to heat the frying chamber according to a preset temperature. After the heating is completed, the stirring device starts to work to make the highland barley grains evenly flipped in the frying chamber. The temperature in the frying chamber is monitored by a temperature sensor and fed back to the temperature control system for adjustment. The time control system controls the frying time to ensure that the best flavor and sterilization effect are achieved. After the frying is completed, the discharging system is turned on to discharge the fried highland barley grains, and the waste gas generated during the frying process is discharged through the exhaust system.

[0024] As a preferred method for preparing a chlorophyll highland barley meal powder of the present invention, when the highland barley grains are ground into powder in S6, a hammer mill is used to grind the highland barley grains, and the hammer mill includes a feed port, a hammer head, a screen, a rotor, a discharge port and a dust collecting device. The fried highland barley grains enter the mill through the feed port, and the motor drives the rotor to rotate at a high speed. The hammer head rotates with the rotor to impact and grind the incoming highland barley grains to crush them into powder. The crushed cooked highland barley powder is screened through a screen, and qualified powder is discharged through the screen, and unqualified large particles continue to remain in the grinding chamber and are further crushed. Qualified cooked highland barley powder is discharged through the discharge port and enters the storage device. The dust generated during the grinding process Collected by a dust collecting device to prevent pollution. When the highland barley grains are ground into powder in S6, a hammer mill is used to grind the highland barley grains. The hammer mill includes a feed port, a hammer head, a screen, a rotor, a discharge port and a dust collecting device. The fried highland barley grains enter the mill through the feed port, and the motor drives the rotor to rotate at a high speed. The hammer head rotates with the rotor to impact and grind the entering highland barley grains to crush them into powder. The crushed cooked highland barley powder is screened through a screen, and qualified powder is discharged through the screen. Unqualified large particles continue to remain in the grinding chamber and are further crushed. Qualified cooked highland barley powder is discharged through the discharge port and enters the storage device. The dust generated during the grinding process is collected by a dust collecting device to prevent pollution.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. The present invention realizes the automation of the whole process from harvesting to cleaning and then to processing through the application of automated equipment such as automated cutting equipment, vibrating screen cleaning machine, and flotation cleaning machine, which greatly improves production efficiency. Automated production reduces dependence on manual labor and reduces labor costs. By accurately controlling the parameters of each production link, such as cutting height, cleaning intensity, drying temperature, etc., the standardized production of products is ensured and the quality stability of products is improved.

[0027] 2. The present invention uses a wind drying device and an air flow pulverizer to make the drying and pulverizing process more gentle, reduce the loss of nutrients, and retain more active substances. By using a vibrating screen cleaning machine and an air flotation cleaning machine and connecting a sewage treatment device, the wastewater discharge during the cleaning process is reduced, reducing the impact on the environment. The use of a wind drying device and a temperature control component makes the drying process more energy-efficient and avoids unnecessary energy waste.

[0028] 3. The present invention effectively kills bacteria and microorganisms on highland barley grains and highland barley seedling powder through frying and sterilization processes, thereby improving product safety. Nitrogen is used to fill the packaging container, thereby reducing the oxygen content inside the container, preventing mold growth, and extending the shelf life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the preparation process of the present invention. DETAILED DESCRIPTION

[0030] Example 1

[0031] A chlorophyll highland barley meal powder comprises the following raw materials in parts by weight:

[0032] 10-20 parts of highland barley seedling powder;

[0033] 80-90 servings of organic highland barley flour.

[0034] Highland barley seedling powder is rich in β-glucan, γ-aminobutyric acid, multiple vitamins, minerals and antioxidants, while organic highland barley flour provides rich dietary fiber, protein and other trace elements. The combination of the two can provide more comprehensive nutrition.

[0035] Highland barley seedling powder is made into ultra-fine powder through wall breaking technology, which improves the bioavailability of nutrients and makes it easier to be absorbed by the human body. The high dietary fiber content helps promote intestinal peristalsis, improve constipation, and maintain intestinal health. β-glucan helps regulate blood sugar levels and is suitable for diabetic patients.

[0036] The form of meal powder makes it very convenient to carry and eat. It can be brewed and drunk, or added to other foods to increase the nutritional value of the food.

[0037] Example 2

[0038] See also Figure 1 A method for preparing a simple meal powder of barley greens comprises the following steps:

[0039] S1. Harvest the young barley seedlings, the height of which is 15-20 cm.

[0040] When harvesting the young barley seedlings in S1, an automated cutting device is used for harvesting. The automated cutting device includes a cutting component, a height adjustment mechanism and a conveying system. The height adjustment mechanism drives the cutting component to move up and down, and moves the cutting component to 3-5 cm above the root of the young barley seedlings. Then the cutting component harvests the young barley seedlings, and the harvested young barley seedlings fall to the top of the conveying system, and the conveying system automatically conveys the young barley seedlings.

[0041] S2. Clean the harvested young barley seedlings and remove impurities attached to the young barley seedlings.

[0042] When the young barley seedlings are cleaned in S2, a vibrating screen cleaning machine is used for cleaning. The vibrating screen cleaning machine includes a vibrating screen, a spraying system, a sewage collection mechanism, a feed port and a discharge port. The young barley seedlings to be cleaned enter the vibrating screen from the feed port, and the spraying system sprays clean water on the surface of the young barley seedlings on the vibrating screen to remove impurities on the surface of the young barley seedlings. The vibrating screen drives the young barley seedlings to vibrate and flip, and cleans the young barley seedlings efficiently and evenly. The sewage generated by cleaning enters the sewage collection mechanism, and the sewage collection mechanism is connected to the sewage treatment equipment. The sewage purified by the sewage treatment equipment is discharged into the sewer, and finally the cleaned young barley seedlings are discharged through the discharge port.

[0043] S3, drying the cleaned young highland barley seedlings, and crushing the dried young highland barley seedlings into ultrafine powder to prepare highland barley seedling powder.

[0044] When drying the young barley seedlings in S3, a wind drying device is used for drying. The wind drying device includes an inclined drainage structure, a drying conveyor belt, a fan, an air heater and a temperature control component. The young barley seedlings discharged from the discharge port of the vibrating screen cleaning machine directly enter the inclined drainage structure, and after a short drainage, enter the top of the drying conveyor belt. The air inlet end of the fan is connected to the air heater, and the air heater heats the extracted air. The heated high-temperature air is discharged through the fan. The air outlet end of the fan is equipped with a multi-directional air outlet nozzle, which dries the young barley seedlings efficiently and evenly. The temperature control component detects the temperature of the hot air and controls the air heater according to the detection result to prevent the heating temperature from being too high.

[0045] When crushing the young barley seedlings in S3, a crusher is first used to preliminarily crush the dried young barley seedlings to make them into finer small particles to reduce the pressure of subsequent ultrafine crushing, and then a jet mill is used for secondary crushing. The jet mill uses high-speed airflow to drive the granular materials to collide and crush each other to prepare highland barley seedling powder. After the crushing is completed, a grading and screening machine is used to grade the highland barley seedling powder. After the screening is completed, the bacteria and microorganisms remaining on the highland barley seedling powder are killed.

[0046] S4. Select grains from the mature highland barley, wash the selected highland barley grains, and remove impurities on the surface.

[0047] When the highland barley grains are cleaned in S4, an air flotation cleaning machine is used to remove smaller impurities and suspended matter in the highland barley grains. The air flotation cleaning machine includes a cleaning tank, an air flotation device, a spray system and a drainage system. The highland barley grains are placed in the cleaning tank, and the air flotation device generates a large number of bubbles to lift up light impurities on the surface of the grains. After preliminary cleaning, the highland barley grains enter the spray system, and the spray system sprays water to further spray and clean the highland barley grains, and then discharges the sewage through the drainage system.

[0048] S5, drying the cleaned highland barley grains to reduce surface moisture, and then frying the highland barley grains to increase the flavor of the highland barley grains and sterilize them.

[0049] When the highland barley grains are dried in S5, an automatic drying machine is used for the drying process. The automatic drying machine includes a feed hopper, a drying bucket, a drive system, a control panel, a discharge port and a drainage system. The cleaned highland barley grains enter the drying barrel through the feed hopper, and the drive system drives the drying barrel to start rotating at high speed. The grains cling to the barrel wall under the action of centrifugal force, and the moisture on the surface is thrown out through the mesh on the barrel wall. The drying time and speed are set through the control panel to ensure that the moisture on the surface of the grains is effectively removed without damaging the grains themselves. After the drying is completed, the rotation of the drying barrel is stopped, the discharge port is opened, and the dried grains slide into the storage container. The moisture generated during the drying process is discharged through the drainage system.

[0050] In S5, the highland barley grains are fried using an automatic frying machine, which includes a feeding system, a frying chamber, a temperature control system, a time control system, a stirring device, a discharging system and an exhaust system. The highland barley grains to be fried are automatically fed into the frying chamber through the feeding system, and the heating element installed on the frying chamber is started to heat the frying chamber according to a preset temperature. After the heating is completed, the stirring device starts to work to make the highland barley grains turn evenly in the frying chamber. The temperature in the frying chamber is monitored by a temperature sensor and fed back to the temperature control system for adjustment. The time control system controls the frying time to ensure the best flavor and sterilization effect. After the frying is completed, the discharging system is turned on to discharge the fried highland barley grains, and the waste gas generated during the frying process is discharged through the exhaust system.

[0051] S6. Grind the roasted highland barley grains into powder using a grinding machine to prepare organic highland barley flour.

[0052] When the highland barley grains are ground into powder in S6, a hammer mill is used to grind the highland barley grains. The hammer mill includes a feed port, a hammer head, a screen, a rotor, a discharge port and a dust collecting device. The roasted highland barley grains enter the mill through the feed port, and the motor drives the rotor to rotate at a high speed. The hammer head rotates with the rotor to impact and grind the entering highland barley grains to crush them into powder. The crushed highland barley powder is screened through a screen, and qualified powder is discharged through the screen. Unqualified large particles continue to remain in the grinding chamber and are further crushed. Qualified highland barley powder is discharged through the discharge port and enters the storage device. The dust generated during the grinding process is collected by a dust collecting device to prevent pollution.

[0053] S7. Put the prepared highland barley seedling powder and the organic highland barley cooked powder into a mixing device according to a set ratio, and evenly mix the highland barley seedling powder and the organic highland barley cooked powder to prepare the chlorophyll highland barley meal powder.

[0054] S8. Package the barley green meal powder into a container and fill the packaging container with nitrogen to reduce the oxygen content inside the container, prevent mold growth, and extend the shelf life of the barley green meal powder.

[0055] Through the application of automated cutting equipment, vibrating screen cleaning machines, flotation cleaning machines and other automated equipment, the entire process from harvesting to cleaning to processing has been automated, greatly improving production efficiency. Automated production reduces dependence on manual labor and reduces labor costs. By precisely controlling the parameters of each production link, such as cutting height, cleaning intensity, drying temperature, etc., standardized production of products is ensured and the quality stability of products is improved.

[0056] The application of wind drying devices and air flow pulverizers makes the drying and pulverizing processes gentler, reduces the loss of nutrients, and retains more active substances. By using vibrating screen cleaning machines and flotation cleaning machines and connecting sewage treatment equipment, the discharge of wastewater during the cleaning process is reduced, reducing the impact on the environment. The use of wind drying devices and temperature control components makes the drying process more energy-efficient and avoids unnecessary energy waste.

[0057] Through the frying and sterilization process, the bacteria and microorganisms on the highland barley grains and highland barley seedling powder are effectively killed, which improves the safety of the product. The use of nitrogen to fill the packaging container reduces the oxygen content inside the container, prevents mold growth, and extends the shelf life of the product.

[0058] The packaged chlorophyll highland barley meal powder is easy to store and transport, is not easy to deteriorate, is suitable for long-distance transportation and long-term storage, and the form of meal powder makes it easy to brew and eat.

[0059] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A chlorogenic acid highland barley meal powder, characterized in that: The invention comprises the following raw materials in parts by weight: 10-20 parts of highland barley seedling powder; 80-90 servings of organic highland barley flour.

2. A method for preparing chlorophyll highland barley meal powder, characterized in that: The following steps are involved: S1, harvesting the young barley seedlings, the height of the young barley seedlings is 15-20cm; S2, clean the harvested highland barley seedlings and remove impurities attached to the highland barley seedlings; S3, drying the cleaned highland barley seedlings, and crushing the dried highland barley seedlings into ultrafine powder to prepare highland barley seedling powder; S4, selecting grains from mature highland barley, washing the selected highland barley grains, and removing impurities on the surface; S5, drying the cleaned highland barley grains to reduce surface moisture, and then frying the highland barley grains to increase the flavor of the highland barley grains and sterilize them; S6, using a grinding machine to grind the fried highland barley grains into powder to prepare organic highland barley flour; S7, putting the prepared highland barley seedling powder and the organic highland barley cooked powder into a mixing device according to a set ratio, uniformly mixing the highland barley seedling powder and the organic highland barley cooked powder to prepare chlorophyll highland barley meal powder; S8. Package the barley green meal powder into a container and fill the packaging container with nitrogen to reduce the oxygen content inside the container, prevent mold growth, and extend the shelf life of the barley green meal powder.

3. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When harvesting the young barley seedlings in S1, an automated cutting device is used for harvesting. The automated cutting device includes a cutting component, a height adjustment mechanism and a conveying system. The height adjustment mechanism drives the cutting component to move up and down, and moves the cutting component to 3-5 cm above the root of the young barley seedlings. Then the cutting component harvests the young barley seedlings, and the harvested young barley seedlings fall to the top of the conveying system, and the conveying system automatically conveys the young barley seedlings.

4. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When the young barley seedlings are cleaned in S2, a vibrating screen cleaning machine is used for cleaning. The vibrating screen cleaning machine includes a vibrating screen, a spraying system, a sewage collection mechanism, a feed port and a discharge port. The young barley seedlings to be cleaned enter the vibrating screen from the feed port. The spraying system sprays clean water on the surface of the young barley seedlings on the vibrating screen to remove impurities on the surface of the young barley seedlings. The vibrating screen drives the young barley seedlings to vibrate and flip, and cleans the young barley seedlings efficiently and evenly. The sewage generated by the cleaning enters the sewage collection mechanism, and the sewage collection mechanism is connected to the sewage treatment equipment. The sewage purified by the sewage treatment equipment is discharged into the sewer, and the cleaned young barley seedlings are finally discharged through the discharge port.

5. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When the young barley seedlings are dried in S3, a wind drying device is used for drying. The wind drying device includes an inclined drainage structure, a drying conveyor belt, a fan, an air heater and a temperature control component. The young barley seedlings discharged from the discharge port of the vibrating screen cleaning machine directly enter the inclined drainage structure, and after a short period of drainage, enter the top of the drying conveyor belt. The air inlet end of the fan is connected to the air heater, and the air heater heats the extracted air. The heated high-temperature air is discharged through the fan. The air outlet end of the fan is equipped with a multi-directional air outlet nozzle, which efficiently and evenly dries the young barley seedlings. The temperature control component detects the temperature of the hot air, and controls the air heater according to the detection result to prevent the heating temperature from being too high.

6. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When the highland barley seedlings are crushed in S3, a crusher is first used to preliminarily crush the dried highland barley seedlings to make them into finer small particles to reduce the pressure of subsequent ultrafine grinding, and then a gas flow mill is used for secondary grinding. The gas flow mill uses high-speed airflow to drive the granular materials to collide and crush each other to prepare highland barley seedling powder. After the grinding is completed, a grading and screening machine is used to classify the highland barley seedling powder by particle size, and after the screening is completed, the bacteria and microorganisms remaining on the highland barley seedling powder are killed.

7. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When the highland barley grains are cleaned in S4, an air flotation cleaning machine is used to remove smaller impurities and suspended matter in the highland barley grains. The air flotation cleaning machine includes a cleaning tank, an air flotation device, a spray system and a drainage system. The highland barley grains are placed in the cleaning tank, and the air flotation device generates a large number of bubbles to lift up light impurities on the surface of the grains. After preliminary cleaning, the highland barley grains enter the spray system, and the spray system sprays water to further spray and clean the highland barley grains, and then the sewage is discharged through the drainage system.

8. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When the highland barley grains are dried in S5, an automatic drying machine is used for the drying process. The automatic drying machine includes a feed hopper, a drying bucket, a drive system, a control panel, a discharge port and a drainage system. The cleaned highland barley grains enter the drying barrel through the feed hopper, and the drive system drives the drying barrel to start high-speed rotation. The grains cling to the barrel wall under the action of centrifugal force, and the moisture on the surface is thrown out through the mesh on the barrel wall. The drying time and speed are set through the control panel to ensure that the moisture on the surface of the grains is effectively removed without damaging the grains themselves. After the drying is completed, the rotation of the drying barrel is stopped, the discharge port is opened, and the dried grains slide into the storage container. The moisture generated during the drying process is discharged through the drainage system.

9. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: In the S5, the highland barley grains are fried using an automatic frying machine, which includes a feeding system, a frying chamber, a temperature control system, a time control system, a stirring device, a discharging system and an exhaust system. The highland barley grains to be fried are automatically fed into the frying chamber through the feeding system, and the heating element installed on the frying chamber is started to heat the frying chamber according to a preset temperature. After the heating is completed, the stirring device starts to work to make the highland barley grains evenly turn in the frying chamber. The temperature in the frying chamber is monitored by a temperature sensor and fed back to the temperature control system for adjustment. The time control system controls the frying time to ensure that the best flavor and sterilization effect are achieved. After the frying is completed, the discharging system is turned on to discharge the fried highland barley grains, and the waste gas generated during the frying process is discharged through the exhaust system.

10. The method for preparing a chlorophyll highland barley meal powder according to claim 2, characterized in that: When the highland barley grains are ground into powder in the S6, a hammer mill is used to grind the highland barley grains. The hammer mill includes a feed port, a hammer head, a screen, a rotor, a discharge port and a dust collecting device. The fried highland barley grains enter the mill through the feed port, and the motor drives the rotor to rotate at a high speed. The hammer head rotates with the rotor to impact and grind the entering highland barley grains to crush them into powder. The crushed highland barley powder is screened through the screen, and qualified powder is discharged through the screen. Unqualified large particles continue to remain in the grinding chamber and are further crushed. Qualified highland barley powder is discharged through the discharge port and enters the storage device. The dust generated during the grinding process is collected by the dust collecting device to prevent pollution.

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