A kind of oyster peptide production device and process

Abstract

The present application discloses an oyster peptide production device and process, and relates to the technical field of oyster peptide production and drying. The device comprises a high-temperature filter box, a primary filter, an electric heater, a spray drying component, a cooling cyclone separation component, a primary hot air pipe, and a secondary hot air pipe. The primary filter and the electric heater are fixedly arranged on the high-temperature filter box, and the primary filter is arranged at the inlet of the high-temperature filter box for preliminarily filtering dust in the air. The electric heater is used to heat the air in the high-temperature filter box. The spray drying component is arranged adjacent to the high-temperature filter box, and the high-temperature filter box is connected to the spray drying component through the primary hot air pipe and the secondary hot air pipe. The cooling cyclone separation component is arranged adjacent to the spray drying component, and the inlet end of the cooling cyclone separation component is connected to the outlet end of the spray drying component. The present application can dry the oyster peptide twice to improve the drying efficiency.

Description

Technical Field

[0001] The present application relates to the field of oyster peptide production and drying technology, and in particular to an oyster peptide production device and process. Background Art

[0002] Oyster peptides are products made by breaking down oyster proteins into small molecule peptides through enzymatic hydrolysis. Oyster peptides retain the original nutrients in oysters, such as vitamins, trace elements and taurine, and have stronger biological activity and absorption efficiency.

[0003] The oyster protein hydrolysate contains complex components such as polypeptides and undegraded proteins, oils and sugars to form a stable emulsified system. Yeast cell wall polysaccharides and activated carbon are added to the secondary enzymatic hydrolysis product, and the product is shaken at 50-60°C for 0.5-1.5 hours. The product is vacuum filtered using a 0.5 μm filter membrane, and the filtrate is collected to obtain an oyster peptide liquid. The product is vacuum concentrated to a solid content of 35-45%, and spray dried to prepare oyster peptides.

[0004] However, under the same drying capacity, the spray drying equipment occupies a relatively large area and the evaporation intensity is relatively small. In addition, the particulates entrained in the exhaust gas are as high as 20%, and the requirements for recovering the particulates are relatively high. It is not enough to use a cyclone separator to separate the product and purify the exhaust gas. Usually, a bag dust collector is also required for purification.

[0005] Therefore, it is necessary to provide an oyster peptide production device and process to solve the problems raised in the above background technology. Summary of the invention

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an oyster peptide production device comprises a high-temperature filter box, a primary filter, an electric heater, a spray drying component, a cooling cyclone separation component, a primary hot air pipe, and a secondary hot air pipe, wherein the primary filter and the electric heater are fixedly arranged on the high-temperature filter box, and the primary filter is arranged at the inlet of the high-temperature filter box for preliminarily filtering dust in the air, the electric heater is used to heat the air in the high-temperature filter box, the spray drying component is arranged adjacent to the high-temperature filter box, and the high-temperature filter box is connected to the spray drying component through a primary hot air pipe and a secondary hot air pipe, the cooling cyclone separation component is arranged adjacent to the spray drying component, and the inlet end of the cooling cyclone separation component is connected to the outlet end of the spray drying component;

[0007] The spray drying assembly includes a cabin, an atomizer, a fan, an inner bin assembly, a separator and a converter. The atomizer is arranged above the cabin and located at the inlet of the cabin. The inner bin assembly is located in the cabin. The separator is located on both sides of the inner wall of the inner bin assembly. The converter is located at the center of the inner bin assembly. The fan is located outside the cabin.

[0008] Further, as a preference, the first-level hot air duct and the second-level hot air duct are both connected to the inner bin assembly, and the fan is connected to the bottom of the converter.

[0009] Further, preferably, the cooling cyclone separation assembly includes a cooling recovery bin, a base plate, and a bracket. The cooling recovery bin and the bracket are both arranged on the base plate, and a driving motor with an output shaft extending to the cooling recovery bin is fixedly arranged on the bracket.

[0010] Further, as a preference, the inner bin assembly comprises an inner ring bin, an outer ring bin and an isolation ring, the outer ring bin is coaxially sleeved with the inner ring bin, and a gap is reserved between the inner ring bin and the outer ring bin to form a secondary drying zone, the isolation rings are evenly distributed on the outer wall of the outer ring bin so that the outer ring bin maintains a distance from the cabin body, and the secondary drying zone is connected to the cabin body outlet.

[0011] Further, preferably, the first-level hot air duct is connected to the inner ring warehouse, and the second-level hot air duct is connected to the secondary drying area.

[0012] Further, as a preference, two groups of snap-in ribs are vertically symmetrically arranged on the inner wall of the inner ring warehouse, and each group of snap-in ribs is provided with two, a plurality of connecting openings are opened between the two snap-in ribs in the same group, and the connecting openings pass through the inner ring warehouse, and a single separator is snap-connected between the two snap-in ribs in the same group.

[0013] Further, as a preference, the separator includes a semi-arc plate and a baffle, the semi-arc plate is fixedly provided with a clamping plate for fixing with the clamping ribs, and a plurality of partition ribs are evenly distributed along the axis on the outer wall of the semi-arc plate, and a baffle is provided along the axis at the middle position of the outer wall of the semi-arc plate.

[0014] Further, preferably, the baffle cuts off the partition rib, and a guide port is provided on the semi-arc plate.

[0015] Further, preferably, the converter support and the central tube, the support is connected to the fan, and the central tube is provided with a plurality of dispersion holes.

[0016] A process for producing oyster peptides comprises the following steps:

[0017] Ⅰ. Wash, disinfect and crush the oysters, and heat treat them to kill any harmful microorganisms.

[0018] Ⅱ. In a simulated gastric acid environment at pH 1.8-2.2, add an appropriate amount of pepsin 1-3% and perform enzymatic hydrolysis for 1-3 hours, then adjust the pH value to the alkaline range of 7.8-8.2, add 1-3% trypsin and perform enzymatic hydrolysis for 3-6 hours to completely decompose the protein into small molecular peptides;

[0019] Ⅲ. After the enzymatic hydrolysis is completed, heat to 80-85℃ for 15-30 minutes to inactivate the enzyme to destroy the activity of the enzyme and ensure the stability of the final product;

[0020] IV. The liquid after enzymatic hydrolysis is filtered, centrifuged, ultrafiltered and nanofiltered to remove unreacted macromolecular impurities;

[0021] V. The oyster peptide liquid formed after enzymatic hydrolysis is atomized by an atomizer, and the high-temperature filter box passes hot air into the inner ring chamber through the first-level hot air pipe to dry the atomized oyster peptide;

[0022] VI. The initially dried oyster peptides enter the secondary drying area through the connecting port, and the air pressure is controlled by the primary hot air pipe and the secondary hot air pipe. The air pressure difference between the inner ring warehouse and the secondary drying area promotes the circulation of oyster peptides;

[0023] VII. Use a fan to supply air to the inner bin component with the help of a converter to promote turbulence of the oyster peptide during the drying process of the inner bin component, improve fluidity to facilitate entering the second drying, and control the temperature when entering the second drying;

[0024] VIII. The secondary hot air pipe introduces hot air into the secondary drying area to perform a second drying of the oyster peptide;

[0025] IX. After secondary drying, the oyster peptide is discharged from the cabin and enters the cooling recovery bin for recovery.

[0026] Compared with the prior art, the present application provides an oyster peptide production device and process, which has the following beneficial effects:

[0027] In the present application, the oyster peptide liquid formed after enzymatic hydrolysis is atomized by an atomizer control, and at the same time, the high-temperature filter box introduces hot air into the inner bin component through the primary hot air duct and the secondary hot air duct to dry the atomized oyster peptide, wherein the inner bin component is divided into an inner and outer layers, respectively controlling the oyster peptide to be dried twice, and at the same time, the air pressure can be controlled by the primary hot air duct and the secondary hot air duct to promote the circulation of the oyster peptide, and the fan is used to supply air to the inner bin component with the help of a converter to promote the formation of turbulence of the oyster peptide during the drying process of the inner bin component, improve the fluidity to facilitate the second drying, and control the temperature when entering the second drying, and by adding an additional drying process in the spray drying component, the overall drying efficiency is improved while reducing the space occupied. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0029] Figure 1 This is a schematic diagram of the overall structure of the oyster peptide production device;

[0030] Figure 2 This is a schematic diagram of the structure of the spray drying component in the oyster peptide production device;

[0031] Figure 3 This is a schematic diagram of the structure of the inner chamber component in the oyster peptide production device;

[0032] Figure 4 for Figure 3 A schematic diagram of the enlarged structure of part A;

[0033] Figure 5 This is a schematic diagram of the structure of the separator in the oyster peptide production device;

[0034] Figure 6 This is a schematic diagram of the structure of the converter in the oyster peptide production device;

[0035] In the figure: 1. high-temperature filter box; 2. primary filter; 3. electric heater; 4. spray drying component; 41. cabin; 42. atomizer; 43. fan; 44. inner bin component; 441. inner ring bin; 442. outer ring bin; 443. isolation ring; 444. connecting port; 445. secondary drying area; 446. snap-on rib; 45. separator; 451. semi-arc plate; 452. snap-on plate; 453. partition rib; 454. baffle; 455. guide port; 46. converter; 461. support; 462. center tube; 463. dispersion hole; 5. cooling cyclone separation component; 51. cooling recovery bin; 52. bottom plate; 53. bracket; 6. primary hot air pipe; 7. secondary hot air pipe. DETAILED DESCRIPTION

[0036] See also Figure 1-Figure 6 In an embodiment of the present application, an oyster peptide production device includes a high-temperature filter box 1, a primary filter 2, an electric heater 3, a spray drying component 4, a cooling cyclone separation component 5, a primary hot air pipe 6, and a secondary hot air pipe 7. The primary filter 2 and the electric heater 3 are fixedly arranged on the high-temperature filter box 1, and the primary filter 2 is arranged at the inlet of the high-temperature filter box 1 for preliminarily filtering dust in the air. The electric heater 3 is used to heat the air in the high-temperature filter box 1. The spray drying component 4 is arranged adjacent to the high-temperature filter box 1, and the high-temperature filter box 1 is connected to the spray drying component 4 through the primary hot air pipe 6 and the secondary hot air pipe 7. The cooling cyclone separation component 5 is arranged adjacent to the spray drying component 4, and the inlet end of the cooling cyclone separation component 5 is connected to the outlet end of the spray drying component 4;

[0037] The spray drying component 4 includes a cabin 41, an atomizer 42, a fan 43, an inner bin component 44, a separator 45 and a converter 46. The atomizer 42 is arranged above the cabin 41, and the atomizer 42 is located at the inlet of the cabin 41. The inner bin component 44 is located in the cabin 41. The separator 45 is located on both sides of the inner wall of the inner bin component 44. The converter 46 is located at the center of the inner bin component 44, and the fan 43 is located outside the cabin 41.

[0038] As a preferred embodiment, the first-level hot air pipe 6 and the second-level hot air pipe 7 are both connected to the inner bin assembly 44 , and the fan 43 is connected to the bottom of the converter 46 .

[0039] It should be explained that the oyster peptide liquid formed after enzymatic hydrolysis is atomized by the atomizer 42, and at the same time, the high-temperature filter box 1 introduces hot air into the inner bin component 44 through the primary hot air duct 6 and the secondary hot air duct 7 to dry the atomized oyster peptide, wherein the inner bin component 44 is divided into an inner and outer layer, respectively controlling the oyster peptide to be dried twice, and at the same time, the air pressure can be controlled by the primary hot air duct 6 and the secondary hot air duct 7 to promote the circulation of oyster peptides, and the fan 43 is used to supply air to the inner bin component 44 with the help of the converter 46 to promote the formation of turbulence in the drying process of the inner bin component 44, improve the fluidity to facilitate the second drying, and control the temperature when entering the second drying, by adding an additional drying process in the spray drying component 4, the overall drying efficiency is improved while reducing the space occupied.

[0040] As a preferred embodiment, the cooling cyclone separation component 5 includes a cooling recovery bin 51, a base plate 52, and a bracket 53. The cooling recovery bin 51 and the bracket 53 are both arranged on the base plate 52, and a driving motor with an output shaft extending to the cooling recovery bin 51 is fixedly arranged on the bracket 53. Specifically, the cooling cyclone separation component 5 is used to cool and recover the oyster peptides that have been dried in the spray drying component 4.

[0041] As a preferred embodiment, the inner warehouse assembly 44 includes an inner ring warehouse 441, an outer ring warehouse 442 and an isolation ring 443. The outer ring warehouse 442 is coaxially sleeved with the inner ring warehouse 441, and a gap is reserved between the inner ring warehouse 441 and the outer ring warehouse 442 to form a secondary drying zone 445. The isolation ring 443 is evenly distributed on the outer wall of the outer ring warehouse 442 so that the outer ring warehouse 442 maintains a distance from the cabin body 41, and the secondary drying zone 445 is connected to the outlet of the cabin body 41.

[0042] It should be explained that the gap between the outer ring bin 442 and the cabin body 41 is filled with insulation material to ensure that when the oyster peptide is dried in the secondary drying area 445, there is sufficient temperature to ensure the evaporation intensity. After the secondary drying, the oyster peptide is discharged from the cabin body 41 and enters the cooling recovery bin 51 for recovery. The activity range of the oyster peptide in the secondary drying area 445 is reduced and more concentrated, and the recovery efficiency in the cooling recovery bin 51 is higher, and the number of recovery devices can be reduced accordingly.

[0043] As a preferred embodiment, the first-level hot air duct 6 is connected to the inner ring warehouse 441, and the second-level hot air duct 7 is connected to the secondary drying area 445. Specifically, the oyster peptide liquid after enzymatic hydrolysis is first dried in the inner ring warehouse 441, and then the oyster peptides after preliminary drying are transferred to the secondary drying area 445 for a second drying to complete the entire drying process.

[0044] As a preferred embodiment, two groups of snap-fit ​​ribs 446 are vertically symmetrically arranged on the inner wall of the inner ring chamber 441, and each group of snap-fit ​​ribs 446 is provided with two, and a plurality of connecting ports 444 are opened between the two snap-fit ​​ribs 446 in the same group, and the connecting ports 444 penetrate the inner ring chamber 441, and a single separator 45 is snap-fitted between the two snap-fit ​​ribs 446 in the same group, specifically allowing the initially dried oyster peptides to enter the secondary drying area 445 through the connecting ports 444, and promoting the circulation of oyster peptides through the air pressure difference between the inner ring chamber 441 and the secondary drying area 445.

[0045] As a preferred embodiment, the separator 45 includes a semi-arc plate 451 and a baffle 454, the semi-arc plate 451 is fixedly provided with a clamping plate 452 for fixing with the clamping rib 446, and the outer wall of the semi-arc plate 451 is evenly provided with a plurality of partition ribs 453 along the axis, and a baffle 454 is provided at the middle position of the outer wall of the semi-arc plate 451 along the axis.

[0046] As a preferred embodiment, the baffle 454 cuts off the partition rib 453 , and a guide port 455 is opened on the semi-arc plate 451 .

[0047] It should be explained that the oyster peptide hot air flow is jointly guided by the semi-arc plate 451 and the partition ribs 453, and the oyster peptide air flow is stirred by the baffle 454 to promote air flow mixing.

[0048] As a preferred embodiment, the converter 46 includes a support 461 and a central tube 462 , wherein the support 461 is connected to the fan 43 , and a plurality of dispersion holes 463 are formed on the central tube 462 .

[0049] A process for producing oyster peptides comprises the following steps:

[0050] Ⅰ. Wash, disinfect and crush the oysters, and heat treat them to kill any harmful microorganisms.

[0051] Ⅱ. In a simulated gastric acid environment of pH 1.8-2.2, add an appropriate amount of pepsin 1-3% and enzymatically hydrolyze for 1-3 hours, then adjust the pH value to the alkaline range of 7.8-8.2, add 1-3% trypsin, and enzymatically hydrolyze for 3-6 hours to completely decompose the protein into small molecular peptides;

[0052] Ⅲ. After the enzymatic hydrolysis is completed, heat to 80-85℃ for 15-30 minutes to inactivate the enzyme to destroy the activity of the enzyme and ensure the stability of the final product;

[0053] IV. The liquid after enzymatic hydrolysis is filtered, centrifuged, ultrafiltered and nanofiltered to remove unreacted macromolecular impurities;

[0054] V. The oyster peptide liquid formed after enzymatic hydrolysis is atomized by the atomizer 42, and the high-temperature filter box 1 passes hot air into the inner ring bin 441 through the first-level hot air pipe 6 to dry the atomized oyster peptide;

[0055] VI. The initially dried oyster peptides enter the secondary drying area 445 through the connecting port 444, and the air pressure is controlled by the primary hot air pipe 6 and the secondary hot air pipe 7. The air pressure difference between the inner ring bin 441 and the secondary drying area 445 promotes the circulation of the oyster peptides;

[0056] VII. Bringing air into the inner chamber component 44 through the fan 43 with the help of the converter 46 to promote the formation of turbulence in the drying process of the oyster peptide in the inner chamber component 44, improve the fluidity to facilitate entering the second drying, and control the temperature when entering the second drying;

[0057] VIII. The secondary hot air pipe 7 introduces hot air into the secondary drying area 445 to perform a second drying of the oyster peptide;

[0058] IX. After secondary drying, the oyster peptide is discharged from the cabin 41 and enters the cooling recovery chamber 51 for recovery.

[0059] What has been described above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed in the present application according to the technical solution and application concept of the present application, which should be covered by the protection scope of the present application.

Claims

1. An oyster peptide production device, characterized in that: The invention comprises a high-temperature filter box (1), a primary filter (2), an electric heater (3), a spray drying component (4), a cooling cyclone separation component (5), a primary hot air pipe (6), and a secondary hot air pipe (7), wherein the primary filter (2) and the electric heater (3) are fixedly arranged on the high-temperature filter box (1), and the primary filter (2) is arranged at the inlet of the high-temperature filter box (1) for preliminarily filtering dust in the air, and the electric heater (3) is used to heat the air in the high-temperature filter box (1), the spray drying component (4) is arranged adjacent to the high-temperature filter box (1), and the high-temperature filter box (1) is connected to the spray drying component (4) through the primary hot air pipe (6) and the secondary hot air pipe (7), and the cooling cyclone separation component (5) is arranged adjacent to the spray drying component (4), and the inlet end of the cooling cyclone separation component (5) is connected to the outlet end of the spray drying component (4); The spray drying assembly (4) comprises a cabin (41), an atomizer (42), a fan (43), an inner chamber assembly (44), a separator (45) and a converter (46); the atomizer (42) is arranged above the cabin (41), and the atomizer (42) is located at the inlet of the cabin (41); the inner chamber assembly (44) is located in the cabin (41); the separator (45) is located on both sides of the inner wall of the inner chamber assembly (44); the converter (46) is located at the center of the inner chamber assembly (44); and the fan (43) is located outside the cabin (41); The inner bin assembly (44) comprises an inner ring bin (441), an outer ring bin (442) and an isolation ring (443); the outer ring bin (442) is coaxially sleeved with the inner ring bin (441), and a gap is reserved between the inner ring bin (441) and the outer ring bin (442) to form a secondary drying zone (445); the isolation ring (443) is evenly arranged on the outer wall of the outer ring bin (442) so that the outer ring bin (442) maintains a distance from the chamber body (41); and the secondary drying zone (445) is connected to an outlet of the chamber body (41); The first-level hot air pipe (6) is connected to the inner ring bin (441), and the second-level hot air pipe (7) is connected to the secondary drying area (445); Two groups of clamping ribs (446) are vertically symmetrically arranged on the inner wall of the inner ring bin (441), and each group of clamping ribs (446) is provided with two, and a plurality of communication openings (444) are provided between the two clamping ribs (446) in the same group, and the communication openings (444) penetrate the inner ring bin (441), and a single separator (45) is clamped and arranged between the two clamping ribs (446) in the same group; The converter (46) comprises a support (461) and a central tube (462); the support (461) is connected to the fan (43), and the central tube (462) is provided with a plurality of dispersion holes (463).

2. The oyster peptide production device according to claim 1, characterized in that: The first-level hot air pipe (6) and the second-level hot air pipe (7) are both connected to the inner bin assembly (44), and the fan (43) is connected to the bottom of the converter (46).

3. The oyster peptide production device according to claim 1, characterized in that: The cooling cyclone separation component (5) comprises a cooling recovery bin (51), a bottom plate (52), and a bracket (53); the cooling recovery bin (51) and the bracket (53) are both arranged on the bottom plate (52), and a driving motor having an output shaft extending to the cooling recovery bin (51) is fixedly arranged on the bracket (53).

4. The oyster peptide production device according to claim 3, characterized in that: The separator (45) comprises a semi-arc plate (451) and a baffle plate (454); the semi-arc plate (451) is fixedly provided with a clamping plate (452) for being fixed to the clamping rib (446); a plurality of partition ribs (453) are evenly distributed along the axis on the outer wall of the semi-arc plate (451); and a baffle plate (454) is provided along the axis at a middle position of the outer wall of the semi-arc plate (451).

5. The oyster peptide production device according to claim 4, characterized in that: The baffle (454) cuts off the partition rib (453), and a guide port (455) is provided on the semi-arc plate (451).

6. A process for producing oyster peptides, using an oyster peptide production device as claimed in any one of claims 3 to 5, characterized in that: The steps include: Ⅰ. Wash, disinfect and crush the oysters, and heat treat them to kill any harmful microorganisms. Ⅱ. In a simulated gastric acid environment of pH 1.8-2.2, add an appropriate amount of pepsin 1-3% and enzymatically hydrolyze for 1-3 hours, then adjust the pH value to the alkaline range of 7.8-8.2, add 1-3% trypsin, and enzymatically hydrolyze for 3-6 hours to completely decompose the protein into small molecular peptides; Ⅲ. After the enzymatic hydrolysis is completed, heat to 80-85℃ for 15-30 minutes to inactivate the enzyme to destroy the activity of the enzyme and ensure the stability of the final product; IV. The liquid after enzymatic hydrolysis is filtered, centrifuged, ultrafiltered and nanofiltered to remove unreacted macromolecular impurities; V. The oyster peptide liquid formed after enzymatic hydrolysis is atomized by the atomizer (42), and the high-temperature filter box (1) passes hot air into the inner ring chamber (441) through the first-level hot air pipe (6) to dry the atomized oyster peptide; VI. The initially dried oyster peptides enter the secondary drying zone (445) through the connecting port (444), and the air pressure is controlled by the primary hot air pipe (6) and the secondary hot air pipe (7). The air pressure difference between the inner ring bin (441) and the secondary drying zone (445) promotes the circulation of the oyster peptides; VII. Using a fan (43) and a converter (46) to supply air into the inner bin component (44), thereby promoting turbulence of the oyster peptide during the drying process of the inner bin component (44), improving fluidity to facilitate entering the second drying, and controlling the temperature when entering the second drying; VIII. The secondary hot air pipe (7) introduces hot air into the secondary drying zone (445) to perform a second drying of the oyster peptide; IX. After secondary drying, the oyster peptide is discharged from the cabin (41) and enters the cooling recovery chamber (51) for recovery.

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