Spray drying equipment and enzymolysis process for cyperus esculentus powder

Abstract

The invention relates to the technical field of cyperus esculentus powder processing, and discloses cyperus esculentus powder spray drying equipment and an enzymolysis process. Two air distribution boxes are arranged in a filter box, filter bags are arranged in the two air distribution boxes, the right sides of the two air distribution boxes are fixedly connected with air inlet round pipes, the two air inlet round pipes are fixedly connected with a square box a, and the square box a is fixedly connected with a water inlet pipe; when the cyperus esculentus powder is filtered, the cyperus esculentus powder can be intercepted by the filter bag, the pulse device can emit pulses to clean the filter bag, one of the two valves is closed, and the other valve is opened, so that air can only enter one air distribution box to be filtered, and meanwhile, a user can move the movable half frame in the direction away from the filter box. Therefore, the corresponding baffles can be driven to move to leave the positions below the air distribution boxes where no air passes through, intercepted cyperus esculentus powder can fall down, the situation that the cyperus esculentus powder is accumulated and influences the filtering effect can be avoided, and meanwhile the two air distribution boxes are alternately used so that cleaning can be conducted when the device runs, and the situation that the device is stopped for cleaning and influences the working efficiency is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of cyperus oleifera powder processing, in particular to spray drying equipment and an enzymatic hydrolysis process of cyperus oleifera powder. Background Art

[0002] Cyperus oleifera (also known as tiger nut) is a high-quality, high-yield, and high-value new crop for both oil and grain. It is also known as sedge grass and is an ornamental plant for beautifying and greening the environment.

[0003] When processing cyperus rotundus into cyperus rotundus powder, multiple steps are required, one of which requires the use of a spray drying device for drying. The existing publication number CN113617044A discloses a countercurrent spray drying device, including a tower body, the top of the tower body is provided with an atomizing feeder, the bottom end is an inverted cone and is provided with a discharge port, and the tower body is provided with a hot air outlet. The atomizing feeder has multiple mist outlets, which are vertically downward and arranged in a ring. The hot air outlets are also provided in multiples, which are vertically upward and arranged in a ring. The loop line where the hot air outlet is located is misaligned with the loop line where the mist outlet is located and has a common center. The present invention uses the mist outlet and the hot air outlet to be arranged in a ring-shaped staggered manner, so that the droplets sprayed from the mist outlet flow downward in a ring, and the hot air sprayed from the hot air outlet flows upward in a ring, forming a dislocated countercurrent, while increasing the contact area and reducing the contact time, improving the airflow conditions in the tower body, and improving the effect and efficiency of product drying and molding.

[0004] The existing spray drying equipment needs to use a gas-solid separation mechanism to filter the cyperus juncea powder mixed in the air. Although the existing filtering device is provided with a pulse device to clean the filter bag, the cyperus juncea powder cleaned up will gradually accumulate in the filtering device, which will affect the filtering effect. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a spray drying device and an enzymatic hydrolysis process for cyperus oleifera powder, which have the advantages of two air distribution boxes being used alternately and can be cleaned while the device is running, avoiding stopping the device for cleaning and affecting work efficiency, etc., and solves the problem that the cyperus oleifera powder mixed in the air needs to be filtered by a gas-solid separation mechanism in the existing spray drying device. Although the existing filtering device is provided with a pulse device to clean the filter bag, the cyperus oleifera powder cleaned up is gradually accumulated in the filtering device, which affects the filtering effect.

[0006] In order to achieve the purpose of alternately using the above two air distribution boxes so that they can be cleaned while the device is running and avoid stopping the device for cleaning to affect the work efficiency, the present invention provides the following technical solutions: a spray drying device and an enzymatic hydrolysis process for cyperus oleifera powder, comprising a crushing and screening device, a soaking, water absorption, heating and gelatinization device, an amylase enzymatic hydrolysis device, a protein extraction device, a pulp and residue separation device, a cyperus oleifera extract extraction device, an emulsification device, a vacuum concentration device and a spray drying device, the spray drying device comprising a processing tank, a centrifugal spray device is arranged on the processing tank, the centrifugal spray device is connected to a stirring device through a pressure pump, a heating and blowing device is connected to the processing tank, a discharging pipe is connected to the processing tank, an air duct is connected to the processing tank, a filter box is connected to the air duct, and a short tube is connected to the filter box, and a fan is connected to the short tube;

[0007] Two air distribution boxes are arranged in the filter box, and filter bags are arranged in the two air distribution boxes. The right sides of the two air distribution boxes are fixedly connected with air inlet circular ducts, and square box a is fixedly connected to the two air inlet circular ducts, and square box a is fixedly connected to the air ducts. Two air outlet circular ducts are fixedly installed on the left sides of the two air distribution boxes, and square box b is fixedly installed on the two air outlet circular ducts, and square box b is fixedly connected to the short tube. Valves are arranged on the two air inlet circular ducts, and baffles are arranged under the two air distribution boxes. Moving half frames are arranged in the direction in which the two baffles move away from each other, and the left and right walls of the two moving half frames are movable to penetrate the front and back walls of the filter box respectively. Pulse devices are arranged on the two air distribution boxes, and the pulse devices can emit pulses to clean the filter bags.

[0008] Preferably, square frames are fixedly connected to the lower sides of the two air distribution boxes, and the two square frames are respectively fitted with the two baffles. Sealing frames are fixedly installed in the two square frames, and the two sealing frames are respectively fitted with the two baffles.

[0009] Preferably, a blocking bar is fixedly installed on the lower side of the two square frames, a pressure bar is fixedly installed on the side of the two baffles away from each other, and a push bar is provided in the direction in which the two pressure bars move away from each other. Small columns are movably penetrated through the two push bars, and each small column is fixedly connected to the two pressure bars respectively. A pressure spring is movably sleeved on each small column, and the two ends of each pressure spring are fixedly connected to the two pressure bars and the two push bars respectively.

[0010] Preferably, square bars are fixedly installed on the sides of the two pushing bars away from each other, and slots are provided on the two square bars. The two square bars movably penetrate the front and rear walls of the filter box respectively, and fixed blocks are fixedly installed on the front and rear sides of the filter box, and sliding grooves are provided on the two fixed blocks. The two sliding grooves are movably connected with strips, and counterweight blocks are fixedly installed on the upper sides of the two strips.

[0011] Preferably, support plates are attached to the lower sides of the two push bars, and the two support plates are fixedly connected to the front and rear inner walls of the filter box respectively. A limiting ring is fixedly sleeved on each small column, and one-way valves are provided on the two air outlet circular pipes. The two one-way valves prevent air from entering the square box b only through the air outlet circular pipe from the air distribution box.

[0012] Preferably, a round box is fixedly connected to the lower side of the filter box, a material discharge box is fixedly connected to the round box, a rotating rod movably penetrates the material discharge box, a spiral plate is fixedly connected to the rotating rod, and the spiral plate is fitted with the inner wall of the round box.

[0013] Preferably, a plurality of small strips a are fixedly connected to the rotating rod, a rotating ring a is fixedly sleeved on each small strip a, control rods are connected to the two valves, the two control rods can conveniently control the closing of the two valves, the two control rods are movable through the filter box, a plurality of small strips b are fixedly sleeved on the two control rods, a rotating ring b is provided on the two control rods, and the two rotating rings b are respectively fixedly sleeved on the plurality of small strips b.

[0014] An enzymatic hydrolysis process of cyperus oleifera powder comprises the following steps:

[0015] S1: Putting the cyperus oleifera into a crushing and screening device for crushing and screening;

[0016] S2: soaking and absorbing water the raw materials that have been crushed and screened, and then heating and gelatinizing the raw materials that have been soaked and absorbed water;

[0017] S3: placing the raw materials after the heating and gelatinization treatment into an amylase enzymatic hydrolysis device for enzymatic hydrolysis treatment;

[0018] S4: placing the raw material that has been enzymatically hydrolyzed in the amylase hydrolysis device into a protein extraction device to extract protein;

[0019] S5: placing the raw materials into a pulp-slag separation device for processing;

[0020] S6: placing the raw material into a cyperus oleifera extract extraction device for processing;

[0021] S7: placing the raw materials into an emulsifying device for emulsification treatment;

[0022] S8: placing the raw material after the emulsification treatment by the emulsification device in a vacuum concentration device for vacuum concentration treatment;

[0023] S9: placing the raw materials after vacuum concentration treatment in the vacuum concentration device into a spray drying device for drying, thereby obtaining cyperus oleifera powder.

[0024] Compared with the prior art, the present invention provides a spray drying device and an enzymatic hydrolysis process for cyperus oleifera powder, which have the following beneficial effects:

[0025] 1. The spray drying equipment and enzymolysis process of cyperus rotundus powder are as follows: the cyperus rotundus powder raw material to be spray dried is placed in a stirring device for stirring, so that the stirred raw material can be introduced into a processing tank through a pressure pump, and then hot air is injected into the processing tank through a heating blast device to dry the raw material, and the excess pressure in the processing tank can be released through a blower, and at the same time, the cyperus rotundus powder carried in the air will pass through two air distribution boxes, so that the cyperus rotundus powder will be intercepted by a filter bag, and at the same time, a pulse device can emit pulses to clean the filter bag, and one of the two valves is closed and one is opened, so that air can only enter one of the air distribution boxes for filtering treatment, and at the same time, a user can move a half frame away from the filter box, so that the corresponding baffle can be driven to move away from the bottom of the air distribution box where no air passes, so that the intercepted cyperus rotundus powder will fall, thereby avoiding the accumulation of cyperus rotundus powder to affect the filtering effect, and at the same time, the two air distribution boxes can be used alternately to clean the device when it is running, so as to avoid stopping the device for cleaning to affect the work efficiency.

[0026] 2. The spray drying equipment and enzymatic hydrolysis process of the cyperus oleifera powder can prevent air leakage and prevent the cyperus oleifera powder from being blown by the wind due to leakage by means of two sealing frames respectively fitting with two baffles.

[0027] 3. The spray drying equipment and enzymatic hydrolysis process of the cyperus oleifera powder can drive the push bar to move by pressing the movable half frame, so that the corresponding pressure bar can be squeezed by a plurality of pressure springs, so that the baffle can be driven to move and fit with the blocking bar. At the same time, when the card slot moves to the corresponding card bar, the card bar will move downward into the card slot to fix the square bar and the movable half frame, so that the pressure spring can continuously apply pressure to prevent the baffle from accidentally moving and failing to block the corresponding air distribution box.

[0028] 4. The spray drying equipment and enzymatic hydrolysis process of the cyperus oleifera powder can only allow air to enter the square box b from the air distribution box through the air outlet circular pipe through two one-way valves, which can prevent the wind from flowing back into the air distribution box through the square box b and affecting the use. At the same time, the user can easily pull out the baffle through the limit ring.

[0029] 5. The spray drying equipment and enzymatic hydrolysis process of the cyperus juncea powder can drive the spiral plate to rotate through the rotating rod, so that the cyperus juncea powder at the bottom of the filter box can be moved to the lower material box, so that the user can conveniently concentrate the cyperus juncea powder to the material box for discharging.

[0030] 6. The spray drying equipment and enzymatic hydrolysis process of the cyperus oleifera powder can facilitate users to rotate the rotating rod back and forth through the rotating ring a, and can facilitate users to rotate the two control rods back and forth through the two rotating rings b to control the closing of the two valves. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the front three-dimensional structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the filter box of the present invention;

[0033] Figure 3 It is a schematic diagram of the three-dimensional structure of the baffle of the present invention;

[0034] Figure 4 It is a schematic diagram of the three-dimensional structure of the square box a of the present invention;

[0035] Figure 5 It is a schematic diagram of the three-dimensional structure of the square box b of the present invention;

[0036] Figure 6 It is a schematic diagram of the three-dimensional structure of the fixing block of the present invention;

[0037] Figure 7 It is a schematic diagram of the three-dimensional structure of the round box of the present invention.

[0038] In the figure: 1, treatment tank; 2, centrifugal spray device; 3, stirring device; 4, pressure pump; 5, heating and blowing device; 6, filter box; 7, fixed block; 8, fan; 9, short pipe; 10, round box; 11, discharge pipe; 12, air duct; 13, square box a; 14, pulse device; 15, one-way valve; 16, square box b; 17, blocking bar; 18, square frame; 19, baffle; 20, support plate; 21, push bar; 22, moving half frame; 2 3. Square bar; 24. Slot; 25. Air distribution box; 26. Valve; 27. Rotating ring b; 28. Small strip b; 29. ​​Control lever; 30. Air inlet pipe; 31. Air outlet pipe; 32. Strip; 33. Slide; 34. Counterweight; 36. Rotating rod; 37. Rotating ring a; 38. Small strip a; 39. Feed box; 40. Spiral plate; 41. Sealing frame; 42. Pressure bar; 43. Pressure spring; 44. Small column; 45. Limit ring. DETAILED DESCRIPTION

[0039] The present invention is further described in detail below in conjunction with the accompanying drawings, wherein the same components are represented by the same figure numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower", "bottom surface" and "top surface" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-Figure 5 The present invention provides a technical solution: a spray drying device and an enzymatic hydrolysis process for cyperus oleifera powder, comprising a crushing and screening device, a soaking, water absorption, heating and gelatinization device, an amylase enzymatic hydrolysis device, a protein extraction device, a pulp and residue separation device, a cyperus oleifera extract extraction device, an emulsification device, a vacuum concentration device and a spray drying device, wherein the spray drying device comprises a processing tank 1, a centrifugal spray device 2 is arranged on the processing tank 1, the centrifugal spray device 2 is connected to a stirring device 3 through a pressure pump 4, a heating and blowing device 5 is connected to the processing tank 1, a discharging pipe 11 is connected to the processing tank 1, an air duct 12 is connected to the processing tank 1, a filter box 6 is connected to the air duct 12, a short tube 9 is connected to the filter box 6, and a fan 8 is connected to the short tube 9;

[0042] Two air distribution boxes 25 are arranged in the filter box 6, and filter bags are arranged in the two air distribution boxes 25. The right sides of the two air distribution boxes 25 are fixedly connected with air inlet circular pipes 30, and the two air inlet circular pipes 30 are fixedly connected with square boxes a13, and the square box a13 is fixedly connected to the air duct 12. Two air outlet circular pipes 31 are fixedly installed on the left sides of the two air distribution boxes 25, and square boxes b16 are fixedly installed on the two air outlet circular pipes 31, and the square box b16 is fixedly connected to the short pipe 9. Valves 26 are arranged on the two air inlet circular pipes 30, and baffles 19 are arranged below the two air distribution boxes 25. The two baffles 19 are arranged with movable half frames 22 in the direction away from each other, and the left and right walls of the two movable half frames 22 respectively penetrate the front and rear walls of the filter box 6, and the two air distribution boxes 25 are provided with pulse devices 14, which can emit pulses to clean the filter bags. By putting the cyperus sibiricus powder raw material to be spray-dried into the stirring device 3 for stirring, the powder can be spray-dried. The overpressure pump 4 introduces the stirred raw materials into the processing tank 1, and then injects hot air into the processing tank 1 through the heating and blowing device 5 to dry the raw materials. The excess pressure in the processing tank 1 can be released through the fan 8, and at the same time, the cyperus rotundus powder carried in the air will pass through the two air distribution boxes 25, so that the cyperus rotundus powder will be intercepted by the filter bag. At the same time, the pulse device 14 can emit pulses to clean the filter bag, and close one of the two valves 26 and open the other, so that air can only enter one of the air distribution boxes 25 for filtering. At the same time, the user can move the half frame 22 away from the filter box 6, so that the corresponding baffle 19 can be driven to move away from the bottom of the air distribution box 25 where no air passes, so that the intercepted cyperus rotundus powder will fall, thereby avoiding the accumulation of cyperus rotundus powder to affect the filtering effect. At the same time, the two air distribution boxes 25 can be used alternately to clean when the device is running, avoiding stopping the device for cleaning to affect the work efficiency.

[0043] See also Figure 1-Figure 7, the lower sides of the two air distribution boxes 25 are fixedly connected with a square frame 18, the two square frames 18 are respectively fitted with two baffles 19, and the two square frames 18 are fixedly installed with a sealing frame 41, and the two sealing frames 41 are respectively fitted with the two baffles 19. The two sealing frames 41 are respectively fitted with the two baffles 19 to avoid air leakage and prevent the leaked cyperus meal from being blown by the wind. The lower sides of the two square frames 18 are fixedly installed with a blocking bar 17, and the sides of the two baffles 19 away from each other are fixedly installed with a pressure bar 42, and the two pressure bars 42 are arranged in a direction away from each other. Push bars 21 are movably penetrated by small columns 44, each small column 44 is respectively fixedly connected to the two pressure bars 42, and each small column 44 is movably sleeved with a pressure spring 4 3, the two ends of each pressure spring 43 are respectively fixedly connected with the two pressure bars 42 and the two push bars 21, the two push bars 21 are fixedly installed with square bars 23 on the side away from each other, and the two square bars 23 are provided with card slots 24, and the two square bars 23 are respectively movably penetrated through the front and rear walls of the filter box 6, and the front and rear sides of the filter box 6 are fixedly installed with fixed blocks 7, and the two fixed blocks 7 are provided with slide slots 33, and the two slide slots 33 are movably connected with the card strips 32, and the upper sides of the two card strips 32 are fixedly installed with counterweight blocks 34, and the push bar 21 can be driven to move by pressing the moving half frame 22, so that the corresponding pressure bar 42 can be squeezed by a plurality of pressure springs 43, so that the baffle 19 can be driven to move and fit with the blocking bar 17, and at the same time, the card slot 24 moves When it moves to the corresponding card strip 32, the card strip 32 will move downward into the card slot 24 to fix the square strip 23 and the movable half frame 22, so that the pressure spring 43 can continuously apply pressure to prevent the baffle 19 from accidentally moving and causing the corresponding air distribution box 25 to be unable to block. The lower sides of the two push strips 21 are both fitted with support plates 20, and the two support plates 20 are respectively fixedly connected to the front and rear inner walls of the filter box 6. A limiting ring 45 is fixedly sleeved on each small column 44. A one-way valve 15 is provided on the two air outlet pipes 31. The two one-way valves 15 allow air to enter the square box b16 only from the air distribution box 25 through the air outlet pipe 31. The two one-way valves 15 allow air to enter the square box b16 only from the air distribution box 25 through the air outlet pipe 31, which can prevent wind from passing through the square box b16 flows back into the air distribution box 25 and affects the use. At the same time, the limit ring 45 can facilitate the user to draw out the baffle 19. The lower side of the filter box 6 is fixedly connected to the round box 10, and the round box 10 is fixedly connected to the material box 39. The material box 39 is movably penetrated by a rotating rod 36, and a spiral plate 40 is fixedly connected to the rotating rod 36. The spiral plate 40 is fitted with the inner wall of the round box 10. The spiral plate 40 can be driven to rotate by the rotating rod 36 to move the cyperus terrestris powder at the bottom of the filter box 6 to the lower material box 39. In this way, it is convenient for the user to concentrate the cyperus terrestris powder to the material box 39 for material discharge. A number of small strips a38 are fixedly connected to the rotating rod 36, and each small strip a38 is fixedly sleeved with a rotating ring a37. The two valves 26 are connected to the control rod 29.Two control rods 29 can conveniently control the closing of two valves 26. Both control rods 29 are movable and penetrate the filter box 6. Several small strips b28 are fixedly sleeved on the two control rods 29. Rotating rings b27 are provided on the two control rods 29. The two rotating rings b27 are respectively fixedly sleeved on the several small strips b28. The rotating ring a37 can facilitate the user to rotate the rotating rod 36 back and forth. At the same time, the two rotating rings b27 can conveniently rotate the two control rods 29 back and forth to control the closing of the two valves 26.

[0044] An enzymatic hydrolysis process of cyperus oleifera powder comprises the following steps:

[0045] S1: Putting the cyperus oleifera into a crushing and screening device for crushing and screening;

[0046] S2: soaking and absorbing water the raw materials that have been crushed and screened, and then heating and gelatinizing the raw materials that have been soaked and absorbed water;

[0047] S3: placing the raw materials after the heating and gelatinization treatment into an amylase enzymatic hydrolysis device for enzymatic hydrolysis treatment;

[0048] S4: placing the raw material that has been enzymatically hydrolyzed in the amylase hydrolysis device into a protein extraction device to extract protein;

[0049] S5: placing the raw materials into a pulp-slag separation device for processing;

[0050] S6: placing the raw material into a cyperus oleifera extract extraction device for processing;

[0051] S7: placing the raw materials into an emulsifying device for emulsification treatment;

[0052] S8: placing the raw material after the emulsification treatment by the emulsification device in a vacuum concentration device for vacuum concentration treatment;

[0053] S9: placing the raw materials after vacuum concentration treatment in the vacuum concentration device into a spray drying device for drying, thereby obtaining cyperus oleifera powder.

[0054] When in use, the first step is: by putting the cyperus rotundus powder raw material that needs to be spray-dried into the stirring device 3 for stirring, the stirred raw material can be introduced into the processing tank 1 through the pressure pump 4, and then the hot air is injected into the processing tank 1 through the heating and blowing device 5 to dry the raw material, and the excess pressure in the processing tank 1 can be released through the fan 8, and the cyperus rotundus powder carried in the air will pass through the two air distribution boxes 25, so that the cyperus rotundus powder will be intercepted by the filter bag, and the pulse device 14 can emit pulses to clean the filter bag, and the two valves 26 are closed and opened by one, so that air can only enter one of the air distribution boxes 25 for filtering. At the same time, the user can move the half frame 22 away from the filter box 6, so that the corresponding baffle 19 can be driven to move away from the bottom of the air distribution box 25 where no air passes, so that the intercepted cyperus rotundus powder will fall, thereby avoiding the accumulation of cyperus rotundus powder affecting the filtering effect, and the two air distribution boxes 25 can be used alternately to clean the device when it is running, avoiding stopping the device for cleaning and affecting the work efficiency.

[0055] Step 2: The two sealing frames 41 are respectively fitted with the two baffles 19 to prevent air leakage and prevent the cyperus oleifera flour from being blown by the wind.

[0056] Step 3: By pressing the movable half frame 22, the push bar 21 can be driven to move, so that the corresponding pressure bar 42 can be squeezed by a number of pressure springs 43, so that the baffle 19 can be driven to move and fit with the blocking bar 17. At the same time, when the slot 24 moves to the corresponding slot 32, the slot 32 will move downward into the slot 24 to fix the square bar 23 and the movable half frame 22, so that the pressure spring 43 can continuously apply pressure to prevent the baffle 19 from accidentally moving and failing to block the corresponding air distribution box 25.

[0057] Step 4: The two one-way valves 15 allow air to only enter the square box b16 from the air distribution box 25 through the air outlet pipe 31, which can prevent the wind from flowing back into the air distribution box 25 through the square box b16 and affecting the use. At the same time, the limit ring 45 can facilitate the user to pull out the baffle 19.

[0058] Step 5: The spiral plate 40 can be driven to rotate by the rotating rod 36 to move the cyperus juncea powder at the bottom of the filter box 6 to the lower material box 39, so that the user can conveniently collect the cyperus juncea powder to the lower material box 39 for material discharge.

[0059] Step 6: The rotating ring a37 can be used to facilitate the user to rotate the rotating rod 36 back and forth, and at the same time, the two rotating rings b27 can be used to facilitate the user to rotate the two control rods 29 back and forth to control the two valves 26 to close.

[0060] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spray drying device for cyperus oleifera powder, comprising a crushing and screening device, a soaking, water absorption, heating and gelatinization device, an amylase enzymolysis device, a protein extraction device, a pulp and residue separation device, a cyperus oleifera extract extraction device, an emulsification device, a vacuum concentration device and a spray drying device, wherein the spray drying device comprises a processing tank (1), the processing tank (1) is provided with a centrifugal spray device (2), the centrifugal spray device (2) is connected to a stirring device (3) via a pressure pump (4), the processing tank (1) is connected with a heating and blowing device (5), the processing tank (1) is connected with a discharge pipe (11), the processing tank (1) is connected with an air duct (12), the air duct (12) is connected with a filter box (6), the filter box (6) is connected with a short tube (9), and the short tube (9) is connected with a fan (8); Features: Two air distribution boxes (25) are arranged in the filter box (6), and filter bags are arranged in the two air distribution boxes (25). The right sides of the two air distribution boxes (25) are fixedly connected to air inlet circular tubes (30), and the two air inlet circular tubes (30) are fixedly connected to square boxes a (13), and the square box a (13) is fixedly connected to the air duct (12). Two air outlet circular tubes (31) are fixedly installed on the left sides of the two air distribution boxes (25), and the two air outlet circular tubes (31) are fixedly installed with square boxes b (16), and the square boxes b (16) is fixedly connected to the short tube (9), valves (26) are provided on the two air inlet circular tubes (30), baffles (19) are provided below the two air distribution boxes (25), movable half frames (22) are provided in the direction in which the two baffles (19) move away from each other, the left and right walls of the two movable half frames (22) respectively movably penetrate the front and rear walls of the filter box (6), and pulse devices (14) are provided on the two air distribution boxes (25), and the pulse devices (14) can emit pulses to clean the filter bags.

2. The spray drying equipment for cyperus oleifera powder according to claim 1, characterized in that: The lower sides of the two air distribution boxes (25) are both fixedly connected with a square frame (18), and the two square frames (18) are respectively fitted with two baffles (19). The two square frames (18) are both fixedly installed with a sealing frame (41), and the two sealing frames (41) are respectively fitted with the two baffles (19).

3. A spray drying device for cyperus oleifera powder according to claim 2, characterized in that: A blocking bar (17) is fixedly installed on the lower side of the two square frames (18); a pressure bar (42) is fixedly installed on the side of the two baffles (19) away from each other; a push bar (21) is arranged in the direction in which the two pressure bars (42) move away from each other; a small column (44) is movably penetrated through the two push bars (21); each small column (44) is respectively fixedly connected to the two pressure bars (42); a pressure spring (43) is movably sleeved on each small column (44); and two ends of each pressure spring (43) are respectively fixedly connected to the two pressure bars (42) and the two push bars (21).

4. The spray drying equipment for cyperus oleifera powder according to claim 3, characterized in that: A square bar (23) is fixedly installed on the side of the two pushing bars (21) that is away from each other, and a clamping groove (24) is provided on the two square bars (23). The two square bars (23) are movably penetrated through the front and rear walls of the filter box (6), and a fixing block (7) is fixedly installed on the front and rear sides of the filter box (6). A sliding groove (33) is provided on the two fixing blocks (7). The two sliding grooves (33) are movably connected with a clamping bar (32), and a counterweight block (34) is fixedly installed on the upper side of the two clamping bars (32).

5. The spray drying equipment for cyperus oleifera powder according to claim 3, characterized in that: The lower sides of the two push bars (21) are both fitted with support plates (20), and the two support plates (20) are respectively fixedly connected to the front and rear inner walls of the filter box (6). A limiting ring (45) is fixedly sleeved on each small column (44), and a one-way valve (15) is provided on the two air outlet circular pipes (31). The two one-way valves (15) allow air to enter the square box b (16) only from the air distribution box (25) through the air outlet circular pipe (31).

6. The spray drying equipment for cyperus oleifera powder according to claim 1, characterized in that: The lower side of the filter box (6) is fixedly connected to a round box (10), the round box (10) is fixedly connected to a material discharge box (39), a rotating rod (36) movably penetrates the material discharge box (39), the rotating rod (36) is fixedly connected to a spiral plate (40), and the spiral plate (40) is in contact with the inner wall of the round box (10).

7. The spray drying equipment for cyperus oleifera powder according to claim 6, characterized in that: The rotating rod (36) is fixedly connected to a plurality of small strips a (38), each of which is fixedly sleeved with a rotating ring a (37). The two valves (26) are connected to control rods (29), and the two control rods (29) can conveniently control the closing of the two valves (26). The two control rods (29) are movable through the filter box (6). The two control rods (29) are fixedly sleeved with a plurality of small strips b (28). The two control rods (29) are provided with rotating rings b (27), and the two rotating rings b (27) are fixedly sleeved on the plurality of small strips b (28), respectively.

8. An enzymatic hydrolysis process of cyperus oleifera powder, using a spray drying device for cyperus oleifera powder according to any one of claims 1 to 7, wherein the steps are as follows: S1: Putting the cyperus oleifera into a crushing and screening device for crushing and screening; S2: soaking and absorbing water the raw materials that have been crushed and screened, and then heating and gelatinizing the raw materials that have been soaked and absorbed water; S3: placing the raw materials after the heating and gelatinization treatment into an amylase enzymatic hydrolysis device for enzymatic hydrolysis treatment; S4: placing the raw material that has been enzymatically hydrolyzed in the amylase hydrolysis device into a protein extraction device to extract protein; S5: placing the raw materials into a pulp-slag separation device for processing; S6: placing the raw material into a cyperus oleifera extract extraction device for processing; S7: placing the raw materials into an emulsifying device for emulsification treatment; S8: placing the raw material after the emulsification treatment by the emulsification device in a vacuum concentration device for vacuum concentration treatment; S9: placing the raw materials after vacuum concentration treatment in the vacuum concentration device into a spray drying device for drying, thereby obtaining cyperus oleifera powder.

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