A device for detecting the content of heterocyclic amines in meat products

Abstract

The present invention discloses a detection device for the content of heterocyclic amines in meat products, belonging to the field of heterocyclic amine detection, including a support plate. The support plate has a U-shaped structure. A first crushing component is arranged on the lower side of the support plate. The first crushing component includes a motor fixedly connected to the outer surface of the lower end of the support plate. The lower end of the output shaft of the motor is fixedly connected with a connecting shaft. A processing box is fixedly connected to the lower side of the inner surface of the support plate. The upper end of the processing box is open. A second crushing component is arranged inside the processing box. The second crushing component includes a fixed pipe fixedly connected to the lower end of the inner surface of the processing box. It can be realized that by setting an extrusion component, the heterocyclic amines in the meat products are adsorbed, and the lipid matrix mixed in the heterocyclic amines is removed, so as to effectively reduce the residue of interfering impurities in the heterocyclic amine sample, and further reduce the influence on the detection accuracy of heterocyclic amines, and further effectively improve the detection accuracy of heterocyclic amines in meat products.

Description

Technical Field

[0001] The present invention relates to the field of heterocyclic amine detection, and more specifically, to a device for detecting the content of heterocyclic amines in meat products. Background Art

[0002] Heterocyclic amines are mutagenic compounds extracted from the charred surface of grilled fish or grilled beef. These substances are mainly complex heterocyclic amine compounds, such as imidazoquinoline and methylimidazoquinoline. These substances are also the main components of mutagenic substances in meat product extracts. Existing measures to prevent heterocyclic amine contamination of food, in addition to changing bad cooking methods and eating habits and inactivation treatment, also include the need to establish and improve heterocyclic amine detection methods and strengthen the monitoring of heterocyclic amine content in food;

[0003] When meat jerky, beef jerky, and sausage meat products are circulated and sold in the market, the market supervision department needs to regularly measure the content of heterocyclic amines in these meat products such as meat jerky, beef jerky, and sausage. For this purpose, heterocyclic amine detection equipment is often used to detect the content of heterocyclic amines in these meat products. However, due to the presence of a large amount of grease in meat products, the grease, as an interfering factor, will affect the detection result of heterocyclic amines, thus causing a large error in the detection result. In order to reduce the influence of grease in meat products on the detection result of heterocyclic amines, existing detection equipment usually first removes the grease in the meat products and then detects the content of heterocyclic amines. However, during the cleaning process, some heterocyclic amines will be lost together with the grease, which will also affect the detection result of heterocyclic amines, resulting in a large error in the detection result. Summary of the Invention

[0004] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a device for detecting the content of heterocyclic amines in meat products, which can realize that by setting an extrusion component, adsorbing heterocyclic amines in the meat products and removing the lipid matrix mixed in the heterocyclic amines, thereby effectively reducing the residue of interfering impurities in the heterocyclic amine sample, further reducing the influence on the detection accuracy of heterocyclic amines, and further effectively improving the detection accuracy of heterocyclic amines in meat products.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A device for detecting the content of heterocyclic amines in meat products includes a support plate. The support plate has a U-shaped structure. A first crushing component is arranged on the lower side of the support plate. The first crushing component includes a motor fixedly connected to the outer surface of the lower end of the support plate. The lower end of the output shaft of the motor is fixedly connected to a coupling. A processing box is fixedly connected to the lower side of the inner surface of the support plate. The upper end of the processing box is open;

[0007] Inside the processing box, a second crushing component is provided. The second crushing component includes a fixed pipe fixedly connected to the lower end of the inner surface of the processing box. A first crushing rod is fixedly connected to the inner surface of the fixed pipe. The number of the first crushing rods is several groups and they are distributed in a circular array. A sampling component is provided below the processing box;

[0008] The sampling component includes sliding rods fixedly connected to the outer surface of the lower end of the processing box. The number of the sliding rods is two groups and they are symmetrically distributed left and right. An adsorption pipe one is slidably connected to the outer surface of the sliding rods. A support plate is fixedly connected to the outer surface of the lower end of the adsorption pipe one.

[0009] Further, a fixed rod is fixedly connected to the lower end of the connecting shaft. The left and right ends of the fixed rod are rotatably connected to a first rotating shaft. A cutting blade is fixedly connected to the outer surface of the first rotating shaft. The number of the cutting blades is several groups and they are distributed in a circular array. A filter screen is fixedly connected to the outer surface of the lower end of the processing box. The filter screen is circular.

[0010] Further, a second rotating shaft is fixedly connected to the middle of the outer surface of the lower end of the fixed rod. A second crushing rod is fixedly connected to the outer surface of the second rotating shaft. The number of the second crushing rods is several groups and they are distributed in a circular array. A connecting cylinder is fixedly connected to the outer surface of the lower end of the processing box. The connecting cylinder is distributed in a circular shape.

[0011] Further, the inner surface of the connecting cylinder is conical. An overflow hole two is opened on the inner surface of the lower end of the processing box inside the fixed pipe. An overflow hole one is opened on the inner surface of the lower end of the processing box outside the fixed pipe. The overflow hole one is directly above the filter screen. The number of the overflow hole one and the overflow hole two is several groups and they are distributed in a circular array.

[0012] Further, the lower end of the second connecting shaft penetrates to the lower side of the processing box and is rotatably connected to the processing box. A reciprocating lead screw is fixedly connected to the lower end of the second connecting shaft. The support plate is located outside the reciprocating lead screw and is in screw transmission connection with the reciprocating lead screw. A sealing ring is fixedly connected to the outer surface of the support plate. The sealing ring is circular. An aggregate pipe is fixedly connected to the outer surface of the lower end of the connecting cylinder. The aggregate pipe is circular.

[0013] Further, a core shaft is rotatably connected to the rear side of the outer surface of the aggregate pipe. The front end of the core shaft penetrates to the inside of the aggregate pipe. A knob is fixedly connected to the rear end of the core shaft. A sealing plate is fixedly connected to the outer surface of the core shaft. The sealing plate is directly below the reciprocating lead screw.

[0014] Further, an extrusion component is provided inside the adsorption pipe one. The extrusion component includes a cavity opened inside the adsorption pipe one. A pressing plate is slidably connected to the inner surface of the adsorption pipe one. The pressing plate is circular. A first extraction column is fixedly connected to the outer surface of the lower end of the pressing plate. The lower end of the first extraction column is fixedly connected to the inner surface of the lower end of the adsorption pipe one.

[0015] Further, a first discharge pipe is fixedly connected to the inner surface of the aggregate pipe. The right end of the first discharge pipe penetrates to the outside of the aggregate pipe. A first gate valve is fixedly connected to the inner surface of the first discharge pipe. A second discharge pipe is fixedly connected to the outer surface of the lower end of the aggregate pipe. A second gate valve is fixedly connected to the inner surface of the second discharge pipe. A support is fixedly connected to the outer surface of the lower end of the aggregate pipe. The support is annular. A discharge pipe is fixedly connected to the front side of the inner surface of the aggregate pipe. The front end of the discharge pipe penetrates to the outside of the aggregate pipe.

[0016] Further, an adsorption assembly is arranged inside the connecting cylinder. The adsorption assembly includes a second adsorption pipe fixedly connected to the lower end of the inner surface of the connecting cylinder. The second adsorption pipe is in the shape of a hollow cylinder. A movable rod is fixedly and rotatably connected to the outer surface of the lower end of the treatment box. A first baffle is fixedly connected to the upper end of the movable rod. The number of the first baffles is several groups and they are distributed in a circular array. A second baffle is fixedly connected to the lower side of the outer surface of the first rotating shaft. The first baffle and the second baffle are in rotational contact.

[0017] Further, a spiral sleeve is in screw drive connection with the outer surface of the movable rod. A second extraction column is fixedly connected to the lower end of the inner surface of the second adsorption pipe. A cover plate is fixedly connected to the upper outer surface of the second adsorption pipe. The cover plate is annular. A connecting plate is fixedly connected to the upper outer surface of the cover plate. A chute is formed on the upper outer surface of the connecting plate. The lower end of the spiral sleeve is located inside the chute and is in sliding contact with the inner surface of the chute. Both the first adsorption pipe and the second adsorption pipe are made of elastic materials. A first through hole is formed on the upper outer surface of the cover plate. A second through hole is formed on the outer surface of the lower end of the connecting cylinder. The first through hole and the second through hole are both distributed in a circular array.

[0018] Compared with the prior art, the advantages of the present invention are as follows:

[0019] (1) By setting the extrusion assembly in this solution, the heterocyclic amines in the meat products are adsorbed, and the lipid matrix mixed in the heterocyclic amines is removed, so that the residue of interfering impurities in the heterocyclic amine sample can be effectively reduced, and further the influence on the detection accuracy of heterocyclic amines can be reduced, and further the detection accuracy of heterocyclic amines in meat products can be effectively improved;

[0020] (2) By setting the adsorption assembly in this solution, the meat products are preliminarily treated in two different ways, which not only helps the operator analyze and eliminate the influencing factors of the heterocyclic amine detection results for convenient control experiments, so that the influence of interfering factors on the heterocyclic amine detection can be effectively reduced, and further the detection accuracy and detection efficiency of heterocyclic amines can be improved;

[0021] (3) By setting up a sampling component, the heterocyclic amines are adsorbed inside the first extraction column through the sampling component, so that the heterocyclic amines in the meat products can be continuously adsorbed and accumulated, effectively reducing the loss of heterocyclic amines in the meat products and helping to ensure the accuracy of the detection results of the heterocyclic amine content;

[0022] (4) By setting up a first comminution component and a second comminution component, the meat products are comminuted in different ways, effectively reducing the volume of the meat products, facilitating the full mixing and contact of the meat products with the extraction liquid, and reducing the difficulty of extracting heterocyclic amines from the meat products;

[0023] (5) By adopting two extraction and detection methods for the same group of samples, it is convenient for the operator to compare and analyze the two groups of detection results, reducing the error amount in the single detection process of heterocyclic amines in meat products and making the detection results more accurate and reliable. Brief Description of the Drawings

[0024] Figure 1 is a schematic diagram of the overall structure of the present invention Figure 1 ;

[0025] Figure 2 is a schematic diagram of the overall structure of the present invention Figure 2 ;

[0026] Figure 3 is a top view of the overall structure of the present invention;

[0027] Figure 4 is of the present invention Figure 3 Cross-sectional view taken along line A-A in

[0028] Figure 5 is of the present invention Figure 3 Cross-sectional view taken along line B-B in

[0029] Figure 6 is of the present invention Figure 4 Enlarged schematic view at C in

[0030] Figure 7 is of the present invention Figure 4 Enlarged schematic view at D in

[0031] Figure 8 is of the present invention Figure 4 Enlarged schematic view at E in

[0032] Figure 9 is of the present invention Figure 4 Enlarged schematic view at F in

[0033] Explanation of the reference numerals in the drawings:

[0034] Crushing component one; 11. Processing box; 12. Support plate; 13. Motor; 14. Coupling shaft; 15. Fixed rod; 16. Rotating shaft one; 17. Cutting disc; 18. Filter screen;

[0035] Crushing component two; 21. Rotating shaft two; 22. Fixed pipe; 23. Crushing rod one; 24. Crushing rod two; 25. Overflow hole one; 26. Overflow hole two; 27. Connecting cylinder;

[0036] Sampling component; 31. Slide bar; 32. Suction pipe one; 33. Sealing ring; 34. Support plate; 35. Reciprocating lead screw; 36. Aggregating pipe; 37. Knob; 38. Core shaft; 39. Sealing plate;

[0037] Extrusion component; 41. Pressing plate; 42. Extraction column one; 43. Cavity; 44. Discharge pipe; 45. Discharge pipe one; 46. Gate valve one; 47. Support; 48. Discharge pipe two; 49. Gate valve two;

[0038] Adsorption component; 51. Baffle one; 52. Baffle two; 53. Movable rod; 54. Spiral sleeve; 55. Connecting plate; 56. Chute; 57. Cover plate; 58. Suction pipe two; 59. Extraction column two; 591. Through hole one; 592. Through hole two. Specific embodiments

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0040] Please refer to Figures 1 to 9 , a meat product heterocyclic amine content detection device, including a support plate 12, the support plate 12 has a U-shaped structure, a crushing component one is arranged on the lower side of the support plate 12, the crushing component one includes a motor 13 fixedly connected to the outer surface of the lower end of the support plate 12, the lower end of the output shaft of the motor 13 is fixedly connected with a coupling shaft 14, the lower side of the inner surface of the support plate 12 is fixedly connected with a processing box 11, and the upper end of the processing box 11 is open;

[0041] A crushing component two is arranged inside the processing box 11, the crushing component two includes a fixed pipe 22 fixedly connected to the lower end of the inner surface of the processing box 11, a crushing rod one 23 is fixedly connected to the inner surface of the fixed pipe 22, the number of the crushing rods one 23 is several groups and is distributed in a circular array, and a sampling component is arranged on the lower side of the processing box 11;

[0042] The sampling component includes slide bars 31 fixedly connected to the outer surface of the lower end of the processing box 11. The number of the slide bars 31 is two groups and they are symmetrically distributed left and right. An adsorption tube 32 is slidably connected to the outer surface of the slide bars 31, and a support plate 34 is fixedly connected to the outer surface of the lower end of the adsorption tube 32.

[0043] By adopting the above technical solution, when the heterocyclic amine detection equipment for meat products is working, in order to reduce the error of the heterocyclic amine content in meat products and facilitate the control experiment of the heterocyclic amine content of the same batch of meat products, a first crushing component and a second crushing component are provided. First, the same batch of meats are cooked and processed by different treatment methods, and then the meat products are preliminarily crushed by the first crushing component and the second crushing component respectively, so as to reduce the volume of the meat products and lower the extraction difficulty of heterocyclic amines in the meat products. Through the first crushing component and the second crushing component, a control experiment on heterocyclic amines can be carried out, and then the heterocyclic amines in the meat products are extracted and sampled by the sampling component, so as to facilitate the rapid detection of the heterocyclic amine content in the meat products.

[0044] As Figure 1 , Figure 4 and Figure 9 shown, a fixing rod 15 is fixedly connected to the lower end of the coupling shaft 14. The left and right ends of the fixing rod 15 are rotatably connected to a first rotating shaft 16. A cutting blade 17 is fixedly connected to the outer surface of the first rotating shaft 16. The number of the cutting blades 17 is several groups and they are distributed in a circular array. A filter screen 18 is fixedly connected to the outer surface of the lower end of the processing box 11, and the filter screen 18 is circular.

[0045] By adopting the above technical solution, first, the dried meat slices and beef jerky are placed in the processing box 11 and the fixed tube 22, and then the motor 13 is started. The processing box 11 fixedly supports the motor 13 through the U-shaped support plate 12. The output shaft of the motor 13 drives the coupling shaft 14 to rotate synchronously, so as to drive the fixing rod 15 to rotate synchronously through the coupling shaft 14. The fixing rod 15 rotatably supports the first rotating shafts 16 at the left and right ends and drives the first rotating shafts 16 to perform circular motions. The first rotating shafts 16 drive the cutting blades 17 to move synchronously, so as to crush the meat products in the processing box 11 through the rotation of the cutting blades 17. During the crushing process of the meat products, an appropriate amount of solvent is synchronously added into the processing box 11. With the rotation of the cutting blades 17 and the first rotating shafts 16, the solvent and the meat products can be fully mixed, so as to effectively reduce the volume of the meat products and further reduce the extraction difficulty of heterocyclic amines in the meat products to a certain extent.

[0046] As Figure 1 and Figure 4As shown in the figure, in the middle of the outer surface of the lower end of the fixed rod 15, a second rotating shaft 21 is fixedly connected. On the outer surface of the second rotating shaft 21, a second crushing rod 24 is fixedly connected. The number of the second crushing rods 24 is several groups and they are distributed in a circular array. At the lower end of the outer surface of the processing box 11, a connecting cylinder 27 is fixedly connected. The connecting cylinder 27 is distributed in a circular ring shape.

[0047] The inner surface of the connecting cylinder 27 is distributed in a conical shape. At the lower end of the inner surface of the processing box 11, a second overflow hole 26 is opened inside the fixed pipe 22, and a first overflow hole 25 is opened outside the fixed pipe 22. The first overflow hole 25 is directly above the filter screen 18. The number of the first overflow holes 25 and the second overflow holes 26 is several groups and they are distributed in a circular array.

[0048] By adopting the above technical solution, when the first crushing assembly operates, meat jerky, beef jerky and other meat products of the same batch are placed in the fixed pipe 22. The processing box 11 can fixedly support the fixed pipe 22. During the rotation of the fixed rod 15, the second rotating shaft 21 will be driven to rotate synchronously, so as to drive the second crushing rod 24 to rotate through the second rotating shaft 21. The fixed pipe 22 fixedly supports the first crushing rod 23. During the rotation of the second crushing rod 24, it cooperates with the first crushing rod 23 to perform preliminary crushing treatment on the meat products. The meat products and solvent mixture crushed by the cutting blade 17 will fall on the surface of the filter screen 18 through the first overflow hole 25, and the crushed meat products will be filtered through the filter screen 18. The meat product residues will remain on the surface of the filter screen 18, while the solvent mixed with heterocyclic amines will pass through the filter screen 18 and enter the connecting cylinder 27. By adopting different crushing methods to crush and process the same meat products, and then adopting different methods to extract and detect the heterocyclic amines in the meat products, the two groups of detection results can be compared and analyzed, so as to effectively reduce the detection error of heterocyclic amines, and further improve the detection accuracy of heterocyclic amine content.

[0049] As Figure 4 and Figure 6 shown in the figure, the lower end of the second rotating shaft 21 penetrates to the lower side of the processing box 11 and is rotatably connected to the processing box 11. At the lower end of the second rotating shaft 21, a reciprocating lead screw 35 is fixedly connected. The support plate 34 is located outside the reciprocating lead screw 35 and is in spiral transmission connection with the reciprocating lead screw 35. On the outer surface of the support plate 34, a sealing ring 33 is fixedly connected. The sealing ring 33 is in a circular ring shape. At the lower end of the outer surface of the connecting cylinder 27, an aggregate pipe 36 is fixedly connected. The aggregate pipe 36 is in a circular ring shape.

[0050] The rear side of the outer surface of the aggregate pipe 36 is rotatably connected with a core shaft 38. The front end of the core shaft 38 penetrates to the inside of the aggregate pipe 36. At the rear end of the core shaft 38, a knob 37 is fixedly connected. On the outer surface of the core shaft 38, a sealing plate 39 is fixedly connected. The sealing plate 39 is directly below the reciprocating lead screw 35.

[0051] By adopting the above technical solution, the content of heterocyclic amines in meat products is extremely low and there are many interfering substances in meat products, which will affect the detection accuracy of heterocyclic amines. Therefore, a sampling component is set. The aggregate pipe 36 is circular, and its internal space is divided into two groups. When the sampling component operates, first, the rotating shaft two 21 drives the reciprocating screw rod 35 to rotate. The support plate 34 moves with the rotation of the reciprocating screw rod 35 through the helical drive connection with the reciprocating screw rod 35. The support plate 34 drives the sealing ring 33 to move downward so that the sealing ring 33 closely fits on the inner surface of the connecting cylinder 27, thereby sealing the components inside the connecting cylinder 27 through the cooperation of the support plate 34 and the sealing ring 33. Then, acetonitrile solution is added into the fixed pipe 22. The meat product particles in the fixed pipe 22 will be fully mixed with the acetonitrile solution. The heterocyclic amines in the meat products are extracted and absorbed by the acetonitrile solution. The acetonitrile solution mixed with heterocyclic amines will enter the inside of the connecting cylinder 27 through the overflow hole two 26 and gather above the support plate 34. The acetonitrile solution will come into full contact with the adsorption tube one 32 and penetrate into the inside of the adsorption tube one 32. The sealing plate 39 can seal the inside of the aggregate pipe 36, thereby effectively reducing the leakage of the acetonitrile solution. As the reciprocating screw rod 35 continues to rotate, the support plate 34 drives the sealing ring 33 to move upward, and at the same time drives the core shaft 38 to rotate through rotation, so that the core shaft 38 drives the sealing plate 39 to rotate to a vertical state. At this time, the acetonitrile solution in the connecting cylinder 27 is discharged downward, and then the connecting cylinder 27 is sealed again through the sealing ring 33. Then, n-hexane solution is added into the fixed pipe 22. The lipid impurities adsorbed in the adsorption tube one 32 are removed by the n-hexane solution. Then, the n-hexane solution is discharged to the outside of the aggregate pipe 36 through the discharge pipe 44, thereby reducing the influence of other impurities in the sample on the detection result, not only improving the purity of the sample inside the adsorption tube one 32, but also helping to further reduce the detection error of heterocyclic amines.

[0052] As Figure 4 、 Figure 6 shown in Figure 8 the inner side of the adsorption tube one 32 is provided with an extrusion component. The extrusion component includes a cavity 43 opened on the inner side of the adsorption tube one 32. A pressing plate 41 is slidably connected to the inner surface of the adsorption tube one 32. The pressing plate 41 is circular. The lower outer surface of the pressing plate 41 is fixedly connected with an extraction column one 42. The lower end of the extraction column one 42 is fixedly connected with the lower end of the inner surface of the adsorption tube one 32.

[0053] A discharge pipe one 45 is fixedly connected to the inner surface of the aggregate pipe 36. The right end of the discharge pipe one 45 penetrates to the outside of the aggregate pipe 36. A gate valve one 46 is fixedly connected to the inner surface of the discharge pipe one 45. A discharge pipe two 48 is fixedly connected to the outer surface of the lower end of the aggregate pipe 36. A gate valve two 49 is fixedly connected to the inner surface of the discharge pipe two 48. A support 47 is fixedly connected to the outer surface of the lower end of the aggregate pipe 36. The support 47 is annular. A discharge pipe 44 is fixedly connected to the front side of the inner surface of the aggregate pipe 36. The front end of the discharge pipe 44 penetrates to the outside of the aggregate pipe 36.

[0054] By adopting the above technical solution, after the acetonitrile solution enters the inside of the adsorption tube one 32, it will carry heterocyclic amines and adsorb on the surface of the extraction column one 42. The surface of the extraction column one 42 is coated with a quartz fiber coating to improve the adsorption capacity of the extraction column. After the extraction column one 42 fully absorbs the heterocyclic amines, it is necessary to discharge the heterocyclic amines in the extraction column for collection and detection. At this time, as the support plate 34 moves upward, the support plate 34 will drive the adsorption tube one 32 to move upward synchronously. The sliding rod 31 can slide-guide the adsorption tube one 32 to make the sliding of the adsorption tube one 32 smoother. As the adsorption tube one 32 continues to move, the pressing plate 41 will cooperate with the support plate 34 to squeeze the extraction column one 42, so as to discharge the solution mixed with heterocyclic amines in the extraction column one 42. Then the solution will be discharged to the outside of the aggregate pipe 36 through the discharge pipe and the gate valve, and after concentration and purification treatment, the solution mixed with heterocyclic amines will be analyzed and processed by a centrifuge and a mass spectrometer.

[0055] As Figure 4 , Figure 5 , Figure 7 and Figure 9 As shown in the figure, an adsorption assembly is arranged inside the connecting cylinder 27. The adsorption assembly includes an adsorption tube two 58 fixedly connected to the lower end of the inner surface of the connecting cylinder 27. The adsorption tube two 58 is in the shape of a hollow cylinder. A movable rod 53 is fixedly connected to the outer surface of the lower end of the treatment box 11 in a rotating manner. A baffle one 51 is fixedly connected to the upper end of the movable rod 53. The number of the baffle one 51 is several groups and is distributed in an annular array. A baffle two 52 is fixedly connected to the lower side of the outer surface of the rotating shaft one 16. The baffle one 51 and the baffle two 52 are in rotational contact with each other.

[0056] A spiral sleeve 54 is screwed and connected to the outer surface of the movable rod 53. A second extraction column 59 is fixedly connected to the lower end of the inner surface of the second adsorption tube 58. A cover plate 57 is fixedly connected to the outer surface of the upper end of the second adsorption tube 58. The cover plate 57 is in a circular ring shape. A connecting plate 55 is fixedly connected to the outer surface of the upper end of the cover plate 57. A chute 56 is formed in the outer surface of the upper end of the connecting plate 55. The lower end of the spiral sleeve 54 is located inside the chute 56 and is in sliding contact with the inner surface of the chute 56. Both the first adsorption tube 32 and the second adsorption tube 58 are made of elastic materials. A first through hole 591 is formed in the outer surface of the upper end of the cover plate 57. A second through hole 592 is formed in the outer surface of the lower end of the connecting cylinder 27. The first through hole 591 and the second through hole 592 are both distributed in an annular array.

[0057] By adopting the above technical solution, the solvent mixed with heterocyclic amines will enter the connecting cylinder 27 after being filtered by the filter screen 18. The solvent passes through the first through hole 591 and flows to the lower side of the cover plate 57, and then penetrates into the second adsorption tube 58. Subsequently, the second extraction column 59 effectively adsorbs the heterocyclic amines in the solvent. The solvent after being adsorbed by the second extraction column 59 enters the aggregate pipe 36 through the second through hole 592, and then is discharged through the second discharge pipe 48 and the second gate valve 49. During the rotation of the first rotating shaft 16, the second baffle 52 will be driven to move synchronously. During the movement of the second baffle 52, it will contact the first baffle 51 and drive the movable rod 53 to rotate through the first baffle 51. The processing box 11 can rotatably support the movable rod 53. The spiral sleeve 54 moves as the movable rod 53 rotates due to its screw-threaded rotational connection with the movable rod 53. The lower end of the spiral sleeve 54 is in sliding contact with the connecting plate 55 through the chute 56. During the downward movement of the spiral sleeve 54, it will squeeze the cover plate 57 through the connecting plate 55, so as to squeeze the second adsorption tube 58 and the second extraction column 59 through the cover plate 57 and the aggregate pipe 36, thereby accelerating the discharge of the heterocyclic amines adsorbed in the second extraction column 59. The adsorption assembly can preliminarily extract and separate the heterocyclic amines in the meat products, and then perform detection and analysis after subsequent processing. By adopting two different methods to preliminarily process the meat products, it not only helps the operator analyze and eliminate the influencing factors of the heterocyclic amine detection results for control experiments, but also effectively reduces the influence of interference factors on the heterocyclic amine detection, and further improves the detection accuracy and efficiency of heterocyclic amines.

[0058] Usage method: When detecting the content of heterocyclic amines in meat products, first place meat products of the same batch in the fixed tube 22 and the treatment box 11 respectively. The first pulverization component preliminarily pulverizes the meat products through the cutting blade 17, and then fully mixes the solvent with the meat products. After the heterocyclic amines in the solution are fully adsorbed by the extraction column two 59, the adsorption component can preliminarily extract and purify the solution by squeezing the extraction column two 59. The second pulverization component pulverizes the meat products through the first crushing rod 23 and the second crushing rod 24, and then extracts and absorbs the heterocyclic amines with an acetonitrile solution. The n-hexane solution can remove the lipid foreign matters in the extraction column one 42, thereby reducing the residue of impurities in the heterocyclic amine sample. The extrusion component can discharge the heterocyclic amine sample, reducing the influence of impurities on the detection accuracy of heterocyclic amines, and further improving the detection accuracy of heterocyclic amines.

[0059] The above is only a preferred specific embodiment of the present invention; however, the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes an equivalent substitution or change, and should be covered by the protection scope of the present invention.

Claims

1. A meat product heterocyclic amine content detection device, comprising a support plate (12), characterized in that: The support plate (12) is of a U-shaped structure, a crushing assembly (1) is arranged on the lower side of the support plate (12), the crushing assembly (1) comprises a motor (13) fixedly connected to the outer surface of the lower end of the support plate (12), a coupling shaft (14) is fixedly connected to the lower end of the output shaft of the motor (13), a processing box (11) is fixedly connected to the lower side of the inner surface of the support plate (12), and the upper end of the processing box (11) is open; A second crushing assembly is arranged inside the processing box (11), the second crushing assembly comprises a fixed pipe (22) fixedly connected to the lower end of the inner surface of the processing box (11), a crushing rod (23) is fixedly connected to the inner surface of the fixed pipe (22), the crushing rods (23) are arranged in a plurality of groups and are distributed in a ring array, and a sampling assembly is arranged at the lower side of the processing box (11); The sampling assembly comprises a sliding rod (31) fixedly connected to the outer surface of the lower end of the processing box (11), the sliding rods (31) are in two groups and are symmetrically distributed on the left and right, the outer surface of the sliding rod (31) is slidably connected to an adsorption tube 1 (32), and the outer surface of the lower end of the adsorption tube 1 (32) is fixedly connected to a support plate (34); A connecting tube (27) is fixedly connected to the outer surface of the lower end of the processing box (11), and the connecting tube (27) is distributed in a circular ring shape; The two lower ends of the connecting shaft (14) penetrate the lower side of the processing box (11) and are rotatably connected to the processing box (11); the two lower ends of the connecting shaft (14) are fixedly connected to a reciprocating screw (35); the support plate (34) is located outside the reciprocating screw (35) and is spirally connected to the reciprocating screw (35); the outer surface of the support plate (34) is fixedly connected to a sealing ring (33); the sealing ring (33) is in a circular ring shape; the outer surface of the lower end of the connecting tube (27) is fixedly connected to a collecting pipe (36); the collecting pipe (36) is in a circular ring shape; An extrusion assembly is arranged on the inner side of the adsorption tube 1 (32), and the extrusion assembly comprises a cavity (43) opened on the inner side of the adsorption tube 1 (32). A pressing plate (41) is slidably connected to the inner surface of the cavity (43), and the pressing plate (41) is in a circular ring shape. An extraction column 1 (42) is fixedly connected to the outer surface of the lower end of the pressing plate (41), and the lower end of the extraction column 1 (42) is fixedly connected to the lower end of the inner surface of the adsorption tube 1 (32).

2. The meat product heterocyclic amine content detection device according to claim 1, characterized in that: The lower end of the connecting shaft (14) is fixedly connected to a fixing rod (15), and the left and right ends of the fixing rod (15) are rotatably connected to a rotating shaft (16). The outer surface of the rotating shaft (16) is fixedly connected to a cutting blade (17), and the number of the cutting blades (17) is a plurality of groups and is distributed in a ring-shaped array. The outer surface of the lower end of the processing box (11) is fixedly connected to a filter screen (18), and the filter screen (18) is in a circular ring shape.

3. The meat product heterocyclic amine content detection device according to claim 2, characterized in that: A second rotating shaft (21) is fixedly connected to the middle of the outer surface of the lower end of the fixing rod (15), and a second crushing rod (24) is fixedly connected to the outer surface of the second rotating shaft (21). The second crushing rods (24) are provided in a plurality of groups and are distributed in a ring array.

4. The device for detecting heterocyclic amine content in meat products according to claim 3, characterized in that: The inner surface of the connecting tube (27) is distributed in a conical shape. The lower end of the inner surface of the processing box (11) is located inside the fixed tube (22) and is provided with a second overflow hole (26). The lower end of the inner surface of the processing box (11) is located outside the fixed tube (22) and is provided with a first overflow hole (25). The first overflow hole (25) is located directly above the filter screen (18). The number of the first overflow hole (25) and the second overflow hole (26) are both a plurality of groups and are distributed in a ring array.

5. The device for detecting heterocyclic amine content in meat products according to claim 4, characterized in that: The rear side of the outer surface of the collecting tube (36) is rotatably connected to a core shaft (38), the front end of the core shaft (38) penetrates into the inner side of the collecting tube (36), the rear end of the core shaft (38) is fixedly connected to a knob (37), and the outer surface of the core shaft (38) is fixedly connected to a sealing plate (39), and the sealing plate (39) is located directly below the reciprocating screw rod (35).

6. The device for detecting heterocyclic amine content in meat products according to claim 5, characterized in that: A discharge pipe 1 (45) is fixedly connected to the inner surface of the collecting pipe (36), the right end of the discharge pipe 1 (45) passes through the outside of the collecting pipe (36), a gate valve 1 (46) is fixedly connected to the inner surface of the discharge pipe 1 (45), a discharge pipe 2 (48) is fixedly connected to the outer surface of the lower end of the collecting pipe (36), a gate valve 2 (49) is fixedly connected to the inner surface of the discharge pipe 2 (48), a support (47) is fixedly connected to the outer surface of the lower end of the collecting pipe (36), the support (47) is annular, and a discharge pipe (44) is fixedly connected to the front side of the inner surface of the collecting pipe (36), the front end of the discharge pipe (44) passes through the outside of the collecting pipe (36).

7. The device for detecting heterocyclic amine content in meat products according to claim 6, characterized in that: An adsorption assembly is arranged on the inner side of the connecting tube (27), and the adsorption assembly includes an adsorption tube 2 (58) fixedly connected to the lower end of the inner surface of the connecting tube (27), and the adsorption tube 2 (58) is in the shape of a hollow cylinder. A movable rod (53) is fixedly and rotatably connected to the outer surface of the lower end of the processing box (11), and a baffle 1 (51) is fixedly connected to the upper end of the movable rod (53). The number of baffles 1 (51) is a plurality of groups and they are distributed in a ring array. A baffle 2 (52) is fixedly connected to the lower side of the outer surface of the rotating shaft 1 (16), and the baffle 1 (51) and the baffle 2 (52) are in rotational contact.

8. The device for detecting heterocyclic amine content in meat products according to claim 7, characterized in that: The outer surface of the movable rod (53) is spirally connected to a spiral sleeve (54), the lower end of the inner surface of the second adsorption tube (58) is fixedly connected to the second extraction column (59), the upper outer surface of the second adsorption tube (58) is fixedly connected to a cover plate (57), the cover plate (57) is annular, the upper outer surface of the cover plate (57) is fixedly connected to a connecting plate (55), the upper outer surface of the connecting plate (55) is provided with a slide groove (56), the lower end of the spiral sleeve (54) is located inside the slide groove (56) and is in sliding contact with the inner surface of the slide groove (56), the first adsorption tube (32) and the second adsorption tube (58) are both made of elastic material, the upper outer surface of the cover plate (57) is provided with a through hole (591), the lower outer surface of the connecting tube (27) is provided with a through hole (592), and the through holes (591) and the through holes (592) are both distributed in a ring array.

Images